Lake Iisvesi water level today

Is Lake Iisvesi within its normal range for the date?

Lake Iisvesi stood at 0.62 m on 27 October 2026.

NowHistoryThis dateBy year

Water level now

within the normal range for the date

0.62 m

27 October 2026Provisional

within the normal range for the date

The normal range for 27 October is 0.48 m to 0.97 m: the 10th to 90th percentile of the daily values from 20 October to 3 November in 116 years between 1909 and 2025.

Table: where the water stands

Level	Value
Newest reading	0.62 m, 27 October 2026
Normal range for the date	0.48 m to 0.97 m
Median for the date	0.70 m

Past day: 0 m
Past week: +0.02 m

The gauge reads the height of the water above a fixed zero, not the depth of the lake. Its zero lies at 97.4 m above N2000 (the Finnish height system of the year 2000).

Level history

within the normal range for the date

On 26 October 2026 Lake Iisvesi stood at 0.62 m.

Three monthsOne yearTen yearsAll time

The last 90 days, against the normal range for each day

Level
Below the normal range
Normal range for the date
Median for the date
A year earlier

Daily values of Lake Iisvesi from 29 July 2026 to 26 October 2026, with the normal range for each day and the same days a year earlier.

Table: The last 90 days, against the normal range for each day

Day	Daily value (m)	Normal range	Median	A year earlier
29 July 2026	0.600 m	0.680 m to 1.140 m	0.890 m	0.650 m
30 July 2026	0.590 m	0.680 m to 1.140 m	0.890 m	0.650 m
31 July 2026	0.580 m	0.670 m to 1.140 m	0.880 m	0.650 m
1 August 2026	0.590 m	0.670 m to 1.130 m	0.880 m	0.650 m
2 August 2026	0.590 m	0.660 m to 1.130 m	0.875 m	0.650 m
3 August 2026	0.590 m	0.660 m to 1.120 m	0.870 m	0.650 m
4 August 2026	0.590 m	0.660 m to 1.120 m	0.860 m	0.630 m
5 August 2026	0.570 m	0.660 m to 1.110 m	0.860 m	0.630 m
6 August 2026	0.570 m	0.650 m to 1.100 m	0.860 m	0.630 m
7 August 2026	0.570 m	0.650 m to 1.100 m	0.850 m	0.630 m
8 August 2026	0.570 m	0.650 m to 1.090 m	0.850 m	0.620 m
9 August 2026	0.550 m	0.650 m to 1.090 m	0.840 m	0.620 m
10 August 2026	0.540 m	0.640 m to 1.090 m	0.840 m	0.610 m
11 August 2026	0.570 m	0.640 m to 1.080 m	0.840 m	0.620 m
12 August 2026	0.570 m	0.636 m to 1.080 m	0.830 m	0.600 m
13 August 2026	0.550 m	0.630 m to 1.080 m	0.830 m	0.600 m
14 August 2026	0.530 m	0.626 m to 1.080 m	0.820 m	0.590 m
15 August 2026	0.530 m	0.620 m to 1.080 m	0.820 m	0.570 m
16 August 2026	0.530 m	0.620 m to 1.070 m	0.820 m	0.590 m
17 August 2026	0.540 m	0.616 m to 1.070 m	0.820 m	0.600 m
18 August 2026	0.550 m	0.610 m to 1.060 m	0.810 m	0.590 m
19 August 2026	0.550 m	0.600 m to 1.060 m	0.810 m	0.580 m
20 August 2026	0.540 m	0.600 m to 1.060 m	0.800 m	0.570 m
21 August 2026	0.530 m	0.600 m to 1.050 m	0.800 m	0.550 m
22 August 2026	0.530 m	0.590 m to 1.050 m	0.800 m	0.540 m
23 August 2026	0.550 m	0.590 m to 1.040 m	0.800 m	0.540 m
24 August 2026	0.550 m	0.590 m to 1.040 m	0.790 m	0.530 m
25 August 2026	0.540 m	0.590 m to 1.040 m	0.790 m	0.540 m
26 August 2026	0.530 m	0.590 m to 1.040 m	0.790 m	0.530 m
27 August 2026	0.520 m	0.590 m to 1.040 m	0.780 m	0.530 m
28 August 2026	0.510 m	0.580 m to 1.040 m	0.780 m	0.520 m
29 August 2026	0.500 m	0.580 m to 1.030 m	0.780 m	0.500 m
30 August 2026	0.500 m	0.580 m to 1.030 m	0.770 m	0.500 m
31 August 2026	0.500 m	0.580 m to 1.020 m	0.770 m	0.500 m
1 September 2026	0.510 m	0.580 m to 1.020 m	0.760 m	0.500 m
2 September 2026	0.510 m	0.580 m to 1.010 m	0.760 m	0.490 m
3 September 2026	0.500 m	0.580 m to 1.010 m	0.760 m	0.470 m
4 September 2026	0.500 m	0.570 m to 1.010 m	0.750 m	0.480 m
5 September 2026	0.510 m	0.570 m to 1.010 m	0.750 m	0.480 m
6 September 2026	0.530 m	0.560 m to 1.010 m	0.750 m	0.480 m
7 September 2026	0.490 m	0.560 m to 1.000 m	0.750 m	0.470 m
8 September 2026	0.470 m	0.560 m to 1.000 m	0.740 m	0.470 m
9 September 2026	0.490 m	0.560 m to 1.000 m	0.740 m	0.480 m
10 September 2026	0.500 m	0.550 m to 0.990 m	0.740 m	0.480 m
11 September 2026	0.500 m	0.550 m to 0.990 m	0.730 m	0.470 m
12 September 2026	0.490 m	0.550 m to 0.990 m	0.730 m	0.450 m
13 September 2026	0.480 m	0.550 m to 0.990 m	0.730 m	0.460 m
14 September 2026	0.490 m	0.540 m to 0.990 m	0.730 m	0.470 m
15 September 2026	0.480 m	0.540 m to 0.980 m	0.730 m	0.460 m
16 September 2026	0.460 m	0.540 m to 0.980 m	0.730 m	0.460 m
17 September 2026	0.480 m	0.530 m to 0.980 m	0.720 m	0.470 m
18 September 2026	0.480 m	0.530 m to 0.980 m	0.720 m	0.480 m
19 September 2026	0.480 m	0.526 m to 0.980 m	0.720 m	0.490 m
20 September 2026	0.480 m	0.520 m to 0.980 m	0.720 m	0.480 m
21 September 2026	0.500 m	0.520 m to 0.970 m	0.720 m	0.480 m
22 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m	0.490 m
23 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m	0.510 m
24 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m	0.520 m
25 September 2026	0.500 m	0.520 m to 0.960 m	0.710 m	0.480 m
26 September 2026	0.480 m	0.510 m to 0.960 m	0.710 m	0.480 m
27 September 2026	0.520 m	0.510 m to 0.960 m	0.700 m	0.480 m
28 September 2026	0.510 m	0.510 m to 0.950 m	0.700 m	0.470 m
29 September 2026	0.510 m	0.510 m to 0.950 m	0.700 m	0.460 m
30 September 2026	0.520 m	0.510 m to 0.950 m	0.700 m	0.460 m
1 October 2026	0.510 m	0.500 m to 0.950 m	0.700 m	0.460 m
2 October 2026	0.520 m	0.500 m to 0.940 m	0.700 m	0.450 m
3 October 2026	0.510 m	0.500 m to 0.940 m	0.690 m	0.450 m
4 October 2026	0.520 m	0.500 m to 0.940 m	0.690 m	0.440 m
5 October 2026	0.510 m	0.500 m to 0.934 m	0.690 m	0.430 m
6 October 2026	0.530 m	0.500 m to 0.930 m	0.690 m	0.440 m
7 October 2026	0.530 m	0.500 m to 0.930 m	0.690 m	0.430 m
8 October 2026	0.520 m	0.500 m to 0.930 m	0.690 m	0.420 m
9 October 2026	0.540 m	0.500 m to 0.930 m	0.690 m	0.440 m
10 October 2026	0.580 m	0.500 m to 0.930 m	0.690 m	0.440 m
11 October 2026	0.570 m	0.500 m to 0.930 m	0.690 m	0.460 m
12 October 2026	0.580 m	0.491 m to 0.930 m	0.690 m	0.490 m
13 October 2026	0.580 m	0.490 m to 0.930 m	0.690 m	0.470 m
14 October 2026	0.560 m	0.490 m to 0.930 m	0.690 m	0.450 m
15 October 2026	0.560 m	0.490 m to 0.930 m	0.690 m	0.440 m
16 October 2026	0.570 m	0.490 m to 0.940 m	0.690 m	0.440 m
17 October 2026	0.600 m	0.490 m to 0.940 m	0.690 m	0.430 m
18 October 2026	0.610 m	0.481 m to 0.940 m	0.690 m	0.430 m
19 October 2026	0.600 m	0.480 m to 0.940 m	0.690 m	0.420 m
20 October 2026	0.600 m	0.480 m to 0.940 m	0.700 m	0.420 m
21 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m	0.410 m
22 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m	0.390 m
23 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m	0.400 m
24 October 2026	0.620 m	0.480 m to 0.950 m	0.700 m	0.410 m
25 October 2026	0.620 m	0.480 m to 0.960 m	0.700 m	0.420 m
26 October 2026	0.620 m	0.480 m to 0.960 m	0.700 m	0.420 m

The last 12 months, against the normal range for each day

Level
Below the normal range
Normal range for the date
Median for the date
Our record

Daily values of Lake Iisvesi from 26 October 2025 to 26 October 2026, with the normal range for each day.

Table: The last 12 months, against the normal range for each day

Day	Daily value (m)	Normal range	Median
26 October 2025	0.420 m	0.480 m to 0.960 m	0.700 m
27 October 2025	0.410 m	0.480 m to 0.970 m	0.700 m
28 October 2025	0.420 m	0.480 m to 0.970 m	0.700 m
29 October 2025	0.420 m	0.480 m to 0.970 m	0.700 m
30 October 2025	0.420 m	0.480 m to 0.980 m	0.710 m
31 October 2025	0.420 m	0.480 m to 0.980 m	0.710 m
1 November 2025	0.430 m	0.480 m to 0.980 m	0.710 m
2 November 2025	0.410 m	0.480 m to 0.980 m	0.710 m
3 November 2025	0.420 m	0.480 m to 0.990 m	0.710 m
4 November 2025	0.420 m	0.480 m to 0.990 m	0.715 m
5 November 2025	0.420 m	0.480 m to 0.990 m	0.720 m
6 November 2025	0.430 m	0.480 m to 0.990 m	0.720 m
7 November 2025	0.430 m	0.480 m to 0.990 m	0.720 m
8 November 2025	0.430 m	0.480 m to 1.000 m	0.730 m
9 November 2025	0.430 m	0.480 m to 1.000 m	0.730 m
10 November 2025	0.430 m	0.490 m to 1.000 m	0.730 m
11 November 2025	0.420 m	0.490 m to 1.009 m	0.730 m
12 November 2025	0.410 m	0.490 m to 1.010 m	0.730 m
13 November 2025	0.420 m	0.490 m to 1.010 m	0.730 m
14 November 2025	0.450 m	0.490 m to 1.010 m	0.740 m
15 November 2025	0.430 m	0.490 m to 1.019 m	0.740 m
16 November 2025	0.430 m	0.490 m to 1.029 m	0.740 m
17 November 2025	0.440 m	0.490 m to 1.039 m	0.750 m
18 November 2025	0.440 m	0.490 m to 1.040 m	0.750 m
19 November 2025	0.430 m	0.490 m to 1.049 m	0.750 m
20 November 2025	0.420 m	0.490 m to 1.050 m	0.750 m
21 November 2025	0.430 m	0.490 m to 1.050 m	0.760 m
22 November 2025	0.420 m	0.490 m to 1.050 m	0.760 m
23 November 2025	0.430 m	0.490 m to 1.050 m	0.760 m
24 November 2025	0.440 m	0.490 m to 1.049 m	0.760 m
25 November 2025	0.460 m	0.490 m to 1.040 m	0.760 m
26 November 2025	0.440 m	0.500 m to 1.040 m	0.760 m
27 November 2025	0.430 m	0.500 m to 1.040 m	0.760 m
28 November 2025	0.440 m	0.500 m to 1.040 m	0.760 m
29 November 2025	0.440 m	0.500 m to 1.040 m	0.760 m
30 November 2025	0.450 m	0.500 m to 1.040 m	0.760 m
1 December 2025	0.460 m	0.500 m to 1.040 m	0.770 m
2 December 2025	0.470 m	0.500 m to 1.040 m	0.770 m
3 December 2025	0.470 m	0.500 m to 1.040 m	0.770 m
4 December 2025	0.480 m	0.510 m to 1.049 m	0.770 m
5 December 2025	0.480 m	0.520 m to 1.049 m	0.770 m
6 December 2025	0.490 m	0.520 m to 1.050 m	0.770 m
7 December 2025	0.490 m	0.520 m to 1.050 m	0.770 m
8 December 2025	0.490 m	0.520 m to 1.050 m	0.770 m
9 December 2025	0.510 m	0.520 m to 1.050 m	0.770 m
10 December 2025	0.510 m	0.520 m to 1.050 m	0.770 m
11 December 2025	0.520 m	0.520 m to 1.050 m	0.780 m
12 December 2025	0.530 m	0.530 m to 1.050 m	0.780 m
13 December 2025	0.520 m	0.530 m to 1.050 m	0.780 m
14 December 2025	0.510 m	0.530 m to 1.050 m	0.780 m
15 December 2025	0.520 m	0.530 m to 1.050 m	0.780 m
16 December 2025	0.520 m	0.530 m to 1.050 m	0.780 m
17 December 2025	0.530 m	0.530 m to 1.050 m	0.790 m
18 December 2025	0.540 m	0.530 m to 1.050 m	0.790 m
19 December 2025	0.540 m	0.530 m to 1.050 m	0.790 m
20 December 2025	0.560 m	0.530 m to 1.050 m	0.790 m
21 December 2025	0.590 m	0.530 m to 1.050 m	0.790 m
22 December 2025	0.590 m	0.530 m to 1.050 m	0.790 m
23 December 2025	0.590 m	0.530 m to 1.050 m	0.790 m
24 December 2025	0.590 m	0.530 m to 1.050 m	0.790 m
25 December 2025	0.600 m	0.530 m to 1.050 m	0.790 m
26 December 2025	0.610 m	0.530 m to 1.050 m	0.790 m
27 December 2025	0.610 m	0.530 m to 1.050 m	0.790 m
28 December 2025	0.630 m	0.530 m to 1.050 m	0.790 m
29 December 2025	0.620 m	0.530 m to 1.060 m	0.790 m
30 December 2025	0.630 m	0.530 m to 1.060 m	0.790 m
31 December 2025	0.630 m	0.530 m to 1.060 m	0.790 m
1 January 2026	0.630 m	0.530 m to 1.060 m	0.790 m
2 January 2026	0.630 m	0.530 m to 1.060 m	0.790 m
3 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
4 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
5 January 2026	0.630 m	0.530 m to 1.060 m	0.790 m
6 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
7 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
8 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
9 January 2026	0.640 m	0.530 m to 1.060 m	0.790 m
10 January 2026	0.650 m	0.530 m to 1.060 m	0.790 m
11 January 2026	0.650 m	0.521 m to 1.060 m	0.790 m
12 January 2026	0.650 m	0.520 m to 1.060 m	0.790 m
13 January 2026	0.640 m	0.520 m to 1.060 m	0.790 m
14 January 2026	0.640 m	0.520 m to 1.060 m	0.790 m
15 January 2026	0.640 m	0.520 m to 1.060 m	0.790 m
16 January 2026	0.640 m	0.520 m to 1.060 m	0.790 m
17 January 2026	0.640 m	0.520 m to 1.050 m	0.790 m
18 January 2026	0.640 m	0.520 m to 1.049 m	0.790 m
19 January 2026	0.640 m	0.520 m to 1.040 m	0.790 m
20 January 2026	0.640 m	0.520 m to 1.040 m	0.790 m
21 January 2026	0.640 m	0.520 m to 1.040 m	0.790 m
22 January 2026	0.640 m	0.520 m to 1.040 m	0.790 m
23 January 2026	0.640 m	0.520 m to 1.040 m	0.780 m
24 January 2026	0.640 m	0.521 m to 1.040 m	0.780 m
25 January 2026	0.640 m	0.530 m to 1.040 m	0.780 m
26 January 2026	0.640 m	0.530 m to 1.030 m	0.780 m
27 January 2026	0.640 m	0.530 m to 1.030 m	0.780 m
28 January 2026	0.640 m	0.530 m to 1.030 m	0.780 m
29 January 2026	0.640 m	0.530 m to 1.020 m	0.770 m
30 January 2026	0.640 m	0.530 m to 1.020 m	0.770 m
31 January 2026	0.630 m	0.530 m to 1.020 m	0.770 m
1 February 2026	0.630 m	0.530 m to 1.020 m	0.770 m
2 February 2026	0.630 m	0.530 m to 1.020 m	0.770 m
3 February 2026	0.630 m	0.530 m to 1.020 m	0.770 m
4 February 2026	0.630 m	0.530 m to 1.010 m	0.770 m
5 February 2026	0.620 m	0.530 m to 1.010 m	0.770 m
6 February 2026	0.620 m	0.530 m to 1.010 m	0.770 m
7 February 2026	0.630 m	0.530 m to 1.000 m	0.760 m
8 February 2026	0.620 m	0.530 m to 1.000 m	0.760 m
9 February 2026	0.620 m	0.531 m to 1.000 m	0.760 m
10 February 2026	0.620 m	0.531 m to 1.000 m	0.760 m
11 February 2026	0.620 m	0.531 m to 0.990 m	0.760 m
12 February 2026	0.620 m	0.530 m to 0.990 m	0.760 m
13 February 2026	0.610 m	0.530 m to 0.990 m	0.760 m
14 February 2026	0.610 m	0.520 m to 0.980 m	0.750 m
15 February 2026	0.610 m	0.520 m to 0.980 m	0.750 m
16 February 2026	0.610 m	0.520 m to 0.980 m	0.750 m
17 February 2026	0.610 m	0.520 m to 0.980 m	0.750 m
18 February 2026	0.600 m	0.520 m to 0.970 m	0.750 m
19 February 2026	0.610 m	0.520 m to 0.970 m	0.750 m
20 February 2026	0.600 m	0.520 m to 0.970 m	0.750 m
21 February 2026	0.600 m	0.520 m to 0.970 m	0.750 m
22 February 2026	0.610 m	0.520 m to 0.960 m	0.750 m
23 February 2026	0.610 m	0.520 m to 0.960 m	0.750 m
24 February 2026	0.610 m	0.520 m to 0.960 m	0.750 m
25 February 2026	0.600 m	0.520 m to 0.950 m	0.750 m
26 February 2026	0.600 m	0.510 m to 0.950 m	0.750 m
27 February 2026	0.610 m	0.510 m to 0.950 m	0.750 m
28 February 2026	0.610 m	0.510 m to 0.940 m	0.750 m
1 March 2026	0.620 m	0.501 m to 0.940 m	0.740 m
2 March 2026	0.620 m	0.500 m to 0.940 m	0.740 m
3 March 2026	0.610 m	0.500 m to 0.930 m	0.740 m
4 March 2026	0.610 m	0.500 m to 0.930 m	0.740 m
5 March 2026	0.620 m	0.500 m to 0.930 m	0.730 m
6 March 2026	0.610 m	0.500 m to 0.920 m	0.730 m
7 March 2026	0.610 m	0.500 m to 0.920 m	0.730 m
8 March 2026	0.600 m	0.500 m to 0.920 m	0.730 m
9 March 2026	0.600 m	0.500 m to 0.920 m	0.730 m
10 March 2026	0.600 m	0.500 m to 0.920 m	0.730 m
11 March 2026	0.600 m	0.500 m to 0.910 m	0.730 m
12 March 2026	0.600 m	0.500 m to 0.909 m	0.720 m
13 March 2026	0.600 m	0.500 m to 0.900 m	0.720 m
14 March 2026	0.600 m	0.500 m to 0.900 m	0.720 m
15 March 2026	0.600 m	0.500 m to 0.899 m	0.720 m
16 March 2026	0.610 m	0.500 m to 0.890 m	0.720 m
17 March 2026	0.620 m	0.500 m to 0.890 m	0.710 m
18 March 2026	0.610 m	0.500 m to 0.890 m	0.710 m
19 March 2026	0.620 m	0.500 m to 0.890 m	0.710 m
20 March 2026	0.620 m	0.500 m to 0.889 m	0.710 m
21 March 2026	0.620 m	0.500 m to 0.880 m	0.710 m
22 March 2026	0.630 m	0.500 m to 0.880 m	0.700 m
23 March 2026	0.630 m	0.500 m to 0.880 m	0.700 m
24 March 2026	0.630 m	0.500 m to 0.870 m	0.700 m
25 March 2026	0.630 m	0.500 m to 0.870 m	0.700 m
26 March 2026	0.640 m	0.500 m to 0.870 m	0.700 m
27 March 2026	0.640 m	0.491 m to 0.860 m	0.700 m
28 March 2026	0.640 m	0.490 m to 0.860 m	0.690 m
29 March 2026	0.650 m	0.490 m to 0.860 m	0.690 m
30 March 2026	0.650 m	0.490 m to 0.860 m	0.690 m
31 March 2026	0.650 m	0.490 m to 0.859 m	0.685 m
1 April 2026	0.650 m	0.490 m to 0.850 m	0.680 m
2 April 2026	0.650 m	0.481 m to 0.850 m	0.680 m
3 April 2026	0.660 m	0.480 m to 0.850 m	0.680 m
4 April 2026	0.660 m	0.480 m to 0.860 m	0.680 m
5 April 2026	0.660 m	0.480 m to 0.860 m	0.680 m
6 April 2026	0.660 m	0.480 m to 0.860 m	0.680 m
7 April 2026	0.670 m	0.480 m to 0.860 m	0.680 m
8 April 2026	0.670 m	0.480 m to 0.869 m	0.680 m
9 April 2026	0.660 m	0.480 m to 0.870 m	0.680 m
10 April 2026	0.660 m	0.480 m to 0.880 m	0.680 m
11 April 2026	0.660 m	0.480 m to 0.880 m	0.680 m
12 April 2026	0.660 m	0.490 m to 0.890 m	0.690 m
13 April 2026	0.660 m	0.490 m to 0.900 m	0.690 m
14 April 2026	0.660 m	0.490 m to 0.900 m	0.700 m
15 April 2026	0.660 m	0.490 m to 0.910 m	0.700 m
16 April 2026	0.660 m	0.500 m to 0.910 m	0.710 m
17 April 2026	0.660 m	0.500 m to 0.920 m	0.710 m
18 April 2026	0.660 m	0.500 m to 0.920 m	0.720 m
19 April 2026	0.660 m	0.510 m to 0.930 m	0.730 m
20 April 2026	0.660 m	0.510 m to 0.940 m	0.730 m
21 April 2026	0.660 m	0.520 m to 0.950 m	0.740 m
22 April 2026	0.670 m	0.520 m to 0.960 m	0.740 m
23 April 2026	0.660 m	0.530 m to 0.980 m	0.750 m
24 April 2026	0.660 m	0.530 m to 0.990 m	0.760 m
25 April 2026	0.650 m	0.540 m to 1.010 m	0.780 m
26 April 2026	0.670 m	0.560 m to 1.020 m	0.780 m
27 April 2026	0.670 m	0.560 m to 1.030 m	0.790 m
28 April 2026	0.670 m	0.580 m to 1.050 m	0.810 m
29 April 2026	0.650 m	0.580 m to 1.060 m	0.820 m
30 April 2026	0.630 m	0.590 m to 1.070 m	0.820 m
1 May 2026	0.630 m	0.600 m to 1.090 m	0.840 m
2 May 2026	0.630 m	0.606 m to 1.100 m	0.850 m
3 May 2026	0.630 m	0.616 m to 1.110 m	0.860 m
4 May 2026	0.630 m	0.620 m to 1.120 m	0.870 m
5 May 2026	0.630 m	0.630 m to 1.140 m	0.880 m
6 May 2026	0.620 m	0.640 m to 1.150 m	0.890 m
7 May 2026	0.620 m	0.650 m to 1.164 m	0.900 m
8 May 2026	0.620 m	0.670 m to 1.170 m	0.910 m
9 May 2026	0.610 m	0.670 m to 1.180 m	0.920 m
10 May 2026	0.600 m	0.680 m to 1.200 m	0.930 m
11 May 2026	0.600 m	0.700 m to 1.210 m	0.940 m
12 May 2026	0.600 m	0.706 m to 1.230 m	0.940 m
13 May 2026	0.610 m	0.710 m to 1.240 m	0.950 m
14 May 2026	0.600 m	0.720 m to 1.240 m	0.960 m
15 May 2026	0.610 m	0.730 m to 1.250 m	0.960 m
16 May 2026	0.620 m	0.740 m to 1.250 m	0.970 m
17 May 2026	0.620 m	0.740 m to 1.260 m	0.980 m
18 May 2026	0.620 m	0.750 m to 1.270 m	0.980 m
19 May 2026	0.620 m	0.750 m to 1.280 m	0.990 m
20 May 2026	0.620 m	0.750 m to 1.280 m	0.990 m
21 May 2026	0.630 m	0.760 m to 1.290 m	1.000 m
22 May 2026	0.640 m	0.760 m to 1.290 m	1.000 m
23 May 2026	0.670 m	0.760 m to 1.300 m	1.010 m
24 May 2026	0.660 m	0.770 m to 1.300 m	1.020 m
25 May 2026	0.690 m	0.770 m to 1.300 m	1.020 m
26 May 2026	0.680 m	0.776 m to 1.300 m	1.020 m
27 May 2026	0.690 m	0.780 m to 1.310 m	1.030 m
28 May 2026	0.680 m	0.790 m to 1.310 m	1.030 m
29 May 2026	0.670 m	0.790 m to 1.310 m	1.030 m
30 May 2026	0.650 m	0.790 m to 1.310 m	1.030 m
31 May 2026	0.650 m	0.800 m to 1.310 m	1.040 m
1 June 2026	0.640 m	0.800 m to 1.310 m	1.040 m
2 June 2026	0.650 m	0.800 m to 1.310 m	1.040 m
3 June 2026	0.650 m	0.800 m to 1.310 m	1.050 m
4 June 2026	0.640 m	0.800 m to 1.300 m	1.050 m
5 June 2026	0.640 m	0.800 m to 1.300 m	1.050 m
6 June 2026	0.640 m	0.800 m to 1.300 m	1.050 m
7 June 2026	0.640 m	0.805 m to 1.300 m	1.060 m
8 June 2026	0.650 m	0.810 m to 1.300 m	1.060 m
9 June 2026	0.650 m	0.810 m to 1.306 m	1.060 m
10 June 2026	0.640 m	0.803 m to 1.310 m	1.060 m
11 June 2026	0.640 m	0.800 m to 1.310 m	1.060 m
12 June 2026	0.650 m	0.800 m to 1.310 m	1.060 m
13 June 2026	0.660 m	0.800 m to 1.310 m	1.050 m
14 June 2026	0.650 m	0.800 m to 1.310 m	1.050 m
15 June 2026	0.660 m	0.800 m to 1.319 m	1.050 m
16 June 2026	0.670 m	0.800 m to 1.320 m	1.050 m
17 June 2026	0.710 m	0.800 m to 1.320 m	1.050 m
18 June 2026	0.700 m	0.800 m to 1.320 m	1.040 m
19 June 2026	0.690 m	0.800 m to 1.320 m	1.040 m
20 June 2026	0.680 m	0.800 m to 1.319 m	1.040 m
21 June 2026	0.690 m	0.800 m to 1.310 m	1.040 m
22 June 2026	0.700 m	0.800 m to 1.310 m	1.040 m
23 June 2026	0.680 m	0.800 m to 1.310 m	1.030 m
24 June 2026	0.680 m	0.790 m to 1.300 m	1.030 m
25 June 2026	0.670 m	0.790 m to 1.300 m	1.030 m
26 June 2026	0.670 m	0.790 m to 1.299 m	1.020 m
27 June 2026	0.670 m	0.790 m to 1.290 m	1.020 m
28 June 2026	0.650 m	0.790 m to 1.289 m	1.020 m
29 June 2026	0.660 m	0.781 m to 1.280 m	1.020 m
30 June 2026	0.660 m	0.780 m to 1.280 m	1.010 m
1 July 2026	0.650 m	0.770 m to 1.280 m	1.010 m
2 July 2026	0.650 m	0.770 m to 1.270 m	1.010 m
3 July 2026	0.640 m	0.770 m to 1.260 m	1.000 m
4 July 2026	0.640 m	0.770 m to 1.259 m	1.000 m
5 July 2026	0.640 m	0.761 m to 1.250 m	1.000 m
6 July 2026	0.630 m	0.760 m to 1.249 m	0.990 m
7 July 2026	0.620 m	0.760 m to 1.240 m	0.990 m
8 July 2026	0.620 m	0.760 m to 1.240 m	0.985 m
9 July 2026	0.620 m	0.750 m to 1.230 m	0.980 m
10 July 2026	0.610 m	0.750 m to 1.220 m	0.980 m
11 July 2026	0.610 m	0.740 m to 1.220 m	0.970 m
12 July 2026	0.620 m	0.740 m to 1.220 m	0.970 m
13 July 2026	0.620 m	0.740 m to 1.210 m	0.970 m
14 July 2026	0.600 m	0.730 m to 1.210 m	0.960 m
15 July 2026	0.600 m	0.720 m to 1.200 m	0.960 m
16 July 2026	0.590 m	0.720 m to 1.200 m	0.950 m
17 July 2026	0.570 m	0.720 m to 1.190 m	0.950 m
18 July 2026	0.570 m	0.710 m to 1.190 m	0.940 m
19 July 2026	0.640 m	0.710 m to 1.180 m	0.940 m
20 July 2026	0.630 m	0.700 m to 1.170 m	0.930 m
21 July 2026	0.620 m	0.700 m to 1.160 m	0.920 m
22 July 2026	0.610 m	0.700 m to 1.160 m	0.920 m
23 July 2026	0.610 m	0.700 m to 1.150 m	0.920 m
24 July 2026	0.600 m	0.700 m to 1.150 m	0.910 m
25 July 2026	0.580 m	0.690 m to 1.150 m	0.910 m
26 July 2026	0.570 m	0.690 m to 1.140 m	0.910 m
27 July 2026	0.580 m	0.690 m to 1.140 m	0.900 m
28 July 2026	0.590 m	0.680 m to 1.140 m	0.900 m
29 July 2026	0.600 m	0.680 m to 1.140 m	0.890 m
30 July 2026	0.590 m	0.680 m to 1.140 m	0.890 m
31 July 2026	0.580 m	0.670 m to 1.140 m	0.880 m
1 August 2026	0.590 m	0.670 m to 1.130 m	0.880 m
2 August 2026	0.590 m	0.660 m to 1.130 m	0.875 m
3 August 2026	0.590 m	0.660 m to 1.120 m	0.870 m
4 August 2026	0.590 m	0.660 m to 1.120 m	0.860 m
5 August 2026	0.570 m	0.660 m to 1.110 m	0.860 m
6 August 2026	0.570 m	0.650 m to 1.100 m	0.860 m
7 August 2026	0.570 m	0.650 m to 1.100 m	0.850 m
8 August 2026	0.570 m	0.650 m to 1.090 m	0.850 m
9 August 2026	0.550 m	0.650 m to 1.090 m	0.840 m
10 August 2026	0.540 m	0.640 m to 1.090 m	0.840 m
11 August 2026	0.570 m	0.640 m to 1.080 m	0.840 m
12 August 2026	0.570 m	0.636 m to 1.080 m	0.830 m
13 August 2026	0.550 m	0.630 m to 1.080 m	0.830 m
14 August 2026	0.530 m	0.626 m to 1.080 m	0.820 m
15 August 2026	0.530 m	0.620 m to 1.080 m	0.820 m
16 August 2026	0.530 m	0.620 m to 1.070 m	0.820 m
17 August 2026	0.540 m	0.616 m to 1.070 m	0.820 m
18 August 2026	0.550 m	0.610 m to 1.060 m	0.810 m
19 August 2026	0.550 m	0.600 m to 1.060 m	0.810 m
20 August 2026	0.540 m	0.600 m to 1.060 m	0.800 m
21 August 2026	0.530 m	0.600 m to 1.050 m	0.800 m
22 August 2026	0.530 m	0.590 m to 1.050 m	0.800 m
23 August 2026	0.550 m	0.590 m to 1.040 m	0.800 m
24 August 2026	0.550 m	0.590 m to 1.040 m	0.790 m
25 August 2026	0.540 m	0.590 m to 1.040 m	0.790 m
26 August 2026	0.530 m	0.590 m to 1.040 m	0.790 m
27 August 2026	0.520 m	0.590 m to 1.040 m	0.780 m
28 August 2026	0.510 m	0.580 m to 1.040 m	0.780 m
29 August 2026	0.500 m	0.580 m to 1.030 m	0.780 m
30 August 2026	0.500 m	0.580 m to 1.030 m	0.770 m
31 August 2026	0.500 m	0.580 m to 1.020 m	0.770 m
1 September 2026	0.510 m	0.580 m to 1.020 m	0.760 m
2 September 2026	0.510 m	0.580 m to 1.010 m	0.760 m
3 September 2026	0.500 m	0.580 m to 1.010 m	0.760 m
4 September 2026	0.500 m	0.570 m to 1.010 m	0.750 m
5 September 2026	0.510 m	0.570 m to 1.010 m	0.750 m
6 September 2026	0.530 m	0.560 m to 1.010 m	0.750 m
7 September 2026	0.490 m	0.560 m to 1.000 m	0.750 m
8 September 2026	0.470 m	0.560 m to 1.000 m	0.740 m
9 September 2026	0.490 m	0.560 m to 1.000 m	0.740 m
10 September 2026	0.500 m	0.550 m to 0.990 m	0.740 m
11 September 2026	0.500 m	0.550 m to 0.990 m	0.730 m
12 September 2026	0.490 m	0.550 m to 0.990 m	0.730 m
13 September 2026	0.480 m	0.550 m to 0.990 m	0.730 m
14 September 2026	0.490 m	0.540 m to 0.990 m	0.730 m
15 September 2026	0.480 m	0.540 m to 0.980 m	0.730 m
16 September 2026	0.460 m	0.540 m to 0.980 m	0.730 m
17 September 2026	0.480 m	0.530 m to 0.980 m	0.720 m
18 September 2026	0.480 m	0.530 m to 0.980 m	0.720 m
19 September 2026	0.480 m	0.526 m to 0.980 m	0.720 m
20 September 2026	0.480 m	0.520 m to 0.980 m	0.720 m
21 September 2026	0.500 m	0.520 m to 0.970 m	0.720 m
22 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m
23 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m
24 September 2026	0.500 m	0.520 m to 0.970 m	0.710 m
25 September 2026	0.500 m	0.520 m to 0.960 m	0.710 m
26 September 2026	0.480 m	0.510 m to 0.960 m	0.710 m
27 September 2026	0.520 m	0.510 m to 0.960 m	0.700 m
28 September 2026	0.510 m	0.510 m to 0.950 m	0.700 m
29 September 2026	0.510 m	0.510 m to 0.950 m	0.700 m
30 September 2026	0.520 m	0.510 m to 0.950 m	0.700 m
1 October 2026	0.510 m	0.500 m to 0.950 m	0.700 m
2 October 2026	0.520 m	0.500 m to 0.940 m	0.700 m
3 October 2026	0.510 m	0.500 m to 0.940 m	0.690 m
4 October 2026	0.520 m	0.500 m to 0.940 m	0.690 m
5 October 2026	0.510 m	0.500 m to 0.934 m	0.690 m
6 October 2026	0.530 m	0.500 m to 0.930 m	0.690 m
7 October 2026	0.530 m	0.500 m to 0.930 m	0.690 m
8 October 2026	0.520 m	0.500 m to 0.930 m	0.690 m
9 October 2026	0.540 m	0.500 m to 0.930 m	0.690 m
10 October 2026	0.580 m	0.500 m to 0.930 m	0.690 m
11 October 2026	0.570 m	0.500 m to 0.930 m	0.690 m
12 October 2026	0.580 m	0.491 m to 0.930 m	0.690 m
13 October 2026	0.580 m	0.490 m to 0.930 m	0.690 m
14 October 2026	0.560 m	0.490 m to 0.930 m	0.690 m
15 October 2026	0.560 m	0.490 m to 0.930 m	0.690 m
16 October 2026	0.570 m	0.490 m to 0.940 m	0.690 m
17 October 2026	0.600 m	0.490 m to 0.940 m	0.690 m
18 October 2026	0.610 m	0.481 m to 0.940 m	0.690 m
19 October 2026	0.600 m	0.480 m to 0.940 m	0.690 m
20 October 2026	0.600 m	0.480 m to 0.940 m	0.700 m
21 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m
22 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m
23 October 2026	0.610 m	0.480 m to 0.950 m	0.700 m
24 October 2026	0.620 m	0.480 m to 0.950 m	0.700 m
25 October 2026	0.620 m	0.480 m to 0.960 m	0.700 m
26 October 2026	0.620 m	0.480 m to 0.960 m	0.700 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of Lake Iisvesi from the week of 24 October 2016 to 26 October 2026.

Table: The last 10 years, weekly averages

Week starting	Weekly average (m)
24 October 2016	0.646 m
31 October 2016	0.660 m
7 November 2016	0.643 m
14 November 2016	0.627 m
21 November 2016	0.663 m
28 November 2016	0.694 m
5 December 2016	0.709 m
12 December 2016	0.701 m
19 December 2016	0.701 m
26 December 2016	0.719 m
2 January 2017	0.706 m
9 January 2017	0.700 m
16 January 2017	0.693 m
23 January 2017	0.693 m
30 January 2017	0.689 m
6 February 2017	0.674 m
13 February 2017	0.661 m
20 February 2017	0.667 m
27 February 2017	0.669 m
6 March 2017	0.663 m
13 March 2017	0.657 m
20 March 2017	0.660 m
27 March 2017	0.663 m
3 April 2017	0.669 m
10 April 2017	0.711 m
17 April 2017	0.734 m
24 April 2017	0.791 m
1 May 2017	0.873 m
8 May 2017	0.947 m
15 May 2017	0.991 m
22 May 2017	1.020 m
29 May 2017	1.044 m
5 June 2017	1.017 m
12 June 2017	1.016 m
19 June 2017	0.993 m
26 June 2017	0.964 m
3 July 2017	0.924 m
10 July 2017	0.896 m
17 July 2017	0.891 m
24 July 2017	0.869 m
31 July 2017	0.844 m
7 August 2017	0.836 m
14 August 2017	0.807 m
21 August 2017	0.790 m
28 August 2017	0.757 m
4 September 2017	0.734 m
11 September 2017	0.774 m
18 September 2017	0.786 m
25 September 2017	0.780 m
2 October 2017	0.771 m
9 October 2017	0.797 m
16 October 2017	0.813 m
23 October 2017	0.806 m
30 October 2017	0.807 m
6 November 2017	0.807 m
13 November 2017	0.850 m
20 November 2017	0.876 m
27 November 2017	0.914 m
4 December 2017	0.949 m
11 December 2017	0.990 m
18 December 2017	1.019 m
25 December 2017	1.049 m
1 January 2018	1.066 m
8 January 2018	1.073 m
15 January 2018	1.059 m
22 January 2018	1.047 m
29 January 2018	1.046 m
5 February 2018	1.030 m
12 February 2018	1.003 m
19 February 2018	0.973 m
26 February 2018	0.939 m
5 March 2018	0.910 m
12 March 2018	0.893 m
19 March 2018	0.867 m
26 March 2018	0.844 m
2 April 2018	0.843 m
9 April 2018	0.850 m
16 April 2018	0.896 m
23 April 2018	1.014 m
30 April 2018	1.164 m
7 May 2018	1.283 m
14 May 2018	1.329 m
21 May 2018	1.317 m
28 May 2018	1.269 m
4 June 2018	1.207 m
11 June 2018	1.140 m
18 June 2018	1.091 m
25 June 2018	1.080 m
2 July 2018	1.053 m
9 July 2018	1.013 m
16 July 2018	0.943 m
23 July 2018	0.877 m
30 July 2018	0.836 m
6 August 2018	0.809 m
13 August 2018	0.739 m
20 August 2018	0.696 m
27 August 2018	0.661 m
3 September 2018	0.627 m
10 September 2018	0.594 m
17 September 2018	0.573 m
24 September 2018	0.560 m
1 October 2018	0.530 m
8 October 2018	0.510 m
15 October 2018	0.504 m
22 October 2018	0.496 m
29 October 2018	0.467 m
5 November 2018	0.470 m
12 November 2018	0.479 m
19 November 2018	0.477 m
26 November 2018	0.457 m
3 December 2018	0.454 m
10 December 2018	0.464 m
17 December 2018	0.460 m
24 December 2018	0.463 m
31 December 2018	0.483 m
7 January 2019	0.486 m
14 January 2019	0.494 m
21 January 2019	0.496 m
28 January 2019	0.494 m
4 February 2019	0.493 m
11 February 2019	0.509 m
18 February 2019	0.503 m
25 February 2019	0.504 m
4 March 2019	0.503 m
11 March 2019	0.503 m
18 March 2019	0.510 m
25 March 2019	0.506 m
1 April 2019	0.507 m
8 April 2019	0.554 m
15 April 2019	0.586 m
22 April 2019	0.657 m
29 April 2019	0.734 m
6 May 2019	0.793 m
13 May 2019	0.867 m
20 May 2019	0.899 m
27 May 2019	0.931 m
3 June 2019	0.936 m
10 June 2019	0.931 m
17 June 2019	0.913 m
24 June 2019	0.877 m
1 July 2019	0.839 m
8 July 2019	0.804 m
15 July 2019	0.757 m
22 July 2019	0.713 m
29 July 2019	0.673 m
5 August 2019	0.603 m
12 August 2019	0.571 m
19 August 2019	0.549 m
26 August 2019	0.520 m
2 September 2019	0.491 m
9 September 2019	0.477 m
16 September 2019	0.496 m
23 September 2019	0.453 m
30 September 2019	0.480 m
7 October 2019	0.480 m
14 October 2019	0.477 m
21 October 2019	0.487 m
28 October 2019	0.489 m
4 November 2019	0.487 m
11 November 2019	0.519 m
18 November 2019	0.576 m
25 November 2019	0.633 m
2 December 2019	0.686 m
9 December 2019	0.749 m
16 December 2019	0.800 m
23 December 2019	0.831 m
30 December 2019	0.853 m
6 January 2020	0.877 m
13 January 2020	0.909 m
20 January 2020	0.936 m
27 January 2020	0.960 m
3 February 2020	0.976 m
10 February 2020	0.977 m
17 February 2020	0.973 m
24 February 2020	0.960 m
2 March 2020	0.959 m
9 March 2020	0.946 m
16 March 2020	0.939 m
23 March 2020	0.919 m
30 March 2020	0.909 m
6 April 2020	0.991 m
13 April 2020	1.034 m
20 April 2020	1.024 m
27 April 2020	1.014 m
4 May 2020	1.009 m
11 May 2020	1.023 m
18 May 2020	1.041 m
25 May 2020	1.034 m
1 June 2020	0.993 m
8 June 2020	0.966 m
15 June 2020	0.910 m
22 June 2020	0.870 m
29 June 2020	0.877 m
6 July 2020	0.901 m
13 July 2020	0.891 m
20 July 2020	0.851 m
27 July 2020	0.857 m
3 August 2020	0.851 m
10 August 2020	0.820 m
17 August 2020	0.763 m
24 August 2020	0.734 m
31 August 2020	0.687 m
7 September 2020	0.699 m
14 September 2020	0.753 m
21 September 2020	0.764 m
28 September 2020	0.769 m
5 October 2020	0.756 m
12 October 2020	0.759 m
19 October 2020	0.764 m
26 October 2020	0.786 m
2 November 2020	0.810 m
9 November 2020	0.820 m
16 November 2020	0.839 m
23 November 2020	0.909 m
30 November 2020	0.926 m
7 December 2020	0.950 m
14 December 2020	0.966 m
21 December 2020	0.997 m
28 December 2020	1.027 m
4 January 2021	1.040 m
11 January 2021	1.031 m
18 January 2021	1.020 m
25 January 2021	1.030 m
1 February 2021	1.023 m
8 February 2021	1.000 m
15 February 2021	0.976 m
22 February 2021	0.977 m
1 March 2021	0.957 m
8 March 2021	0.936 m
15 March 2021	0.916 m
22 March 2021	0.896 m
29 March 2021	0.889 m
5 April 2021	0.929 m
12 April 2021	1.006 m
19 April 2021	1.090 m
26 April 2021	1.181 m
3 May 2021	1.223 m
10 May 2021	1.246 m
17 May 2021	1.263 m
24 May 2021	1.276 m
31 May 2021	1.241 m
7 June 2021	1.180 m
14 June 2021	1.129 m
21 June 2021	1.096 m
28 June 2021	1.047 m
5 July 2021	0.969 m
12 July 2021	0.910 m
19 July 2021	0.833 m
26 July 2021	0.779 m
2 August 2021	0.767 m
9 August 2021	0.743 m
16 August 2021	0.720 m
23 August 2021	0.739 m
30 August 2021	0.739 m
6 September 2021	0.701 m
13 September 2021	0.716 m
20 September 2021	0.679 m
27 September 2021	0.659 m
4 October 2021	0.641 m
11 October 2021	0.646 m
18 October 2021	0.676 m
25 October 2021	0.731 m
1 November 2021	0.774 m
8 November 2021	0.816 m
15 November 2021	0.840 m
22 November 2021	0.859 m
29 November 2021	0.874 m
6 December 2021	0.873 m
13 December 2021	0.870 m
20 December 2021	0.863 m
27 December 2021	0.849 m
3 January 2022	0.849 m
10 January 2022	0.830 m
17 January 2022	0.817 m
24 January 2022	0.807 m
31 January 2022	0.804 m
7 February 2022	0.797 m
14 February 2022	0.807 m
21 February 2022	0.811 m
28 February 2022	0.804 m
7 March 2022	0.787 m
14 March 2022	0.770 m
21 March 2022	0.763 m
28 March 2022	0.777 m
4 April 2022	0.789 m
11 April 2022	0.819 m
18 April 2022	0.887 m
25 April 2022	1.009 m
2 May 2022	1.066 m
9 May 2022	1.147 m
16 May 2022	1.246 m
23 May 2022	1.264 m
30 May 2022	1.259 m
6 June 2022	1.249 m
13 June 2022	1.233 m
20 June 2022	1.219 m
27 June 2022	1.167 m
4 July 2022	1.100 m
11 July 2022	1.059 m
18 July 2022	1.034 m
25 July 2022	1.000 m
1 August 2022	0.956 m
8 August 2022	0.914 m
15 August 2022	0.857 m
22 August 2022	0.849 m
29 August 2022	0.817 m
5 September 2022	0.741 m
12 September 2022	0.699 m
19 September 2022	0.677 m
26 September 2022	0.643 m
3 October 2022	0.619 m
10 October 2022	0.606 m
17 October 2022	0.619 m
24 October 2022	0.601 m
31 October 2022	0.589 m
7 November 2022	0.621 m
14 November 2022	0.656 m
21 November 2022	0.649 m
28 November 2022	0.647 m
5 December 2022	0.653 m
12 December 2022	0.663 m
19 December 2022	0.669 m
26 December 2022	0.676 m
2 January 2023	0.679 m
9 January 2023	0.671 m
16 January 2023	0.699 m
23 January 2023	0.710 m
30 January 2023	0.723 m
6 February 2023	0.721 m
13 February 2023	0.721 m
20 February 2023	0.727 m
27 February 2023	0.720 m
6 March 2023	0.714 m
13 March 2023	0.707 m
20 March 2023	0.719 m
27 March 2023	0.729 m
3 April 2023	0.724 m
10 April 2023	0.720 m
17 April 2023	0.743 m
24 April 2023	0.860 m
1 May 2023	1.029 m
8 May 2023	1.119 m
15 May 2023	1.153 m
22 May 2023	1.163 m
29 May 2023	1.151 m
5 June 2023	1.123 m
12 June 2023	1.079 m
19 June 2023	1.036 m
26 June 2023	1.004 m
3 July 2023	0.990 m
10 July 2023	0.974 m
17 July 2023	0.926 m
24 July 2023	0.923 m
31 July 2023	0.971 m
7 August 2023	0.961 m
14 August 2023	0.933 m
21 August 2023	0.887 m
28 August 2023	0.866 m
4 September 2023	0.844 m
11 September 2023	0.810 m
18 September 2023	0.819 m
25 September 2023	0.836 m
2 October 2023	0.870 m
9 October 2023	0.889 m
16 October 2023	0.937 m
23 October 2023	0.931 m
30 October 2023	0.926 m
6 November 2023	0.969 m
13 November 2023	1.006 m
20 November 2023	1.004 m
27 November 2023	1.009 m
4 December 2023	0.994 m
11 December 2023	0.981 m
18 December 2023	0.976 m
25 December 2023	0.961 m
1 January 2024	0.910 m
8 January 2024	0.857 m
15 January 2024	0.840 m
22 January 2024	0.821 m
29 January 2024	0.806 m
5 February 2024	0.817 m
12 February 2024	0.799 m
19 February 2024	0.800 m
26 February 2024	0.794 m
4 March 2024	0.750 m
11 March 2024	0.729 m
18 March 2024	0.733 m
25 March 2024	0.737 m
1 April 2024	0.749 m
8 April 2024	0.813 m
15 April 2024	0.983 m
22 April 2024	1.079 m
29 April 2024	1.161 m
6 May 2024	1.229 m
13 May 2024	1.243 m
20 May 2024	1.236 m
27 May 2024	1.203 m
3 June 2024	1.179 m
10 June 2024	1.144 m
17 June 2024	1.106 m
24 June 2024	1.044 m
1 July 2024	0.999 m
8 July 2024	0.953 m
15 July 2024	0.919 m
22 July 2024	0.867 m
29 July 2024	0.840 m
5 August 2024	0.791 m
12 August 2024	0.771 m
19 August 2024	0.720 m
26 August 2024	0.694 m
2 September 2024	0.696 m
9 September 2024	0.677 m
16 September 2024	0.736 m
23 September 2024	0.720 m
30 September 2024	0.723 m
7 October 2024	0.711 m
14 October 2024	0.733 m
21 October 2024	0.731 m
28 October 2024	0.744 m
4 November 2024	0.736 m
11 November 2024	0.730 m
18 November 2024	0.743 m
25 November 2024	0.771 m
2 December 2024	0.823 m
9 December 2024	0.849 m
16 December 2024	0.861 m
23 December 2024	0.879 m
30 December 2024	0.889 m
6 January 2025	0.889 m
13 January 2025	0.874 m
20 January 2025	0.870 m
27 January 2025	0.874 m
3 February 2025	0.871 m
10 February 2025	0.859 m
17 February 2025	0.840 m
24 February 2025	0.830 m
3 March 2025	0.834 m
10 March 2025	0.843 m
17 March 2025	0.834 m
24 March 2025	0.821 m
31 March 2025	0.866 m
7 April 2025	0.911 m
14 April 2025	0.941 m
21 April 2025	0.969 m
28 April 2025	0.973 m
5 May 2025	0.971 m
12 May 2025	0.946 m
19 May 2025	0.916 m
26 May 2025	0.886 m
2 June 2025	0.857 m
9 June 2025	0.840 m
16 June 2025	0.809 m
23 June 2025	0.794 m
30 June 2025	0.809 m
7 July 2025	0.784 m
14 July 2025	0.751 m
21 July 2025	0.703 m
28 July 2025	0.651 m
4 August 2025	0.624 m
11 August 2025	0.596 m
18 August 2025	0.557 m
25 August 2025	0.517 m
1 September 2025	0.481 m
8 September 2025	0.469 m
15 September 2025	0.474 m
22 September 2025	0.490 m
29 September 2025	0.450 m
6 October 2025	0.446 m
13 October 2025	0.440 m
20 October 2025	0.410 m
27 October 2025	0.419 m
3 November 2025	0.426 m
10 November 2025	0.427 m
17 November 2025	0.430 m
24 November 2025	0.443 m
1 December 2025	0.477 m
8 December 2025	0.513 m
15 December 2025	0.543 m
22 December 2025	0.603 m
29 December 2025	0.631 m
5 January 2026	0.641 m
12 January 2026	0.641 m
19 January 2026	0.640 m
26 January 2026	0.637 m
2 February 2026	0.626 m
9 February 2026	0.616 m
16 February 2026	0.606 m
23 February 2026	0.609 m
2 March 2026	0.611 m
9 March 2026	0.600 m
16 March 2026	0.619 m
23 March 2026	0.637 m
30 March 2026	0.654 m
6 April 2026	0.663 m
13 April 2026	0.660 m
20 April 2026	0.661 m
27 April 2026	0.644 m
4 May 2026	0.619 m
11 May 2026	0.609 m
18 May 2026	0.637 m
25 May 2026	0.673 m
1 June 2026	0.643 m
8 June 2026	0.649 m
15 June 2026	0.686 m
22 June 2026	0.674 m
29 June 2026	0.649 m
6 July 2026	0.619 m
13 July 2026	0.599 m
20 July 2026	0.603 m
27 July 2026	0.589 m
3 August 2026	0.573 m
10 August 2026	0.546 m
17 August 2026	0.541 m
24 August 2026	0.521 m
31 August 2026	0.509 m
7 September 2026	0.489 m
14 September 2026	0.479 m
21 September 2026	0.500 m
28 September 2026	0.514 m
5 October 2026	0.540 m
12 October 2026	0.580 m
19 October 2026	0.610 m
26 October 2026	no value

The whole record since 1909, monthly averages

Level
Our record

Monthly averages of Lake Iisvesi from 7 July 1909 to 26 October 2026.

Table: The whole record since 1909, monthly averages

Month starting	Monthly average (m)
1 July 1909	0.892 m
1 August 1909	0.813 m
1 September 1909	0.738 m
1 October 1909	0.677 m
1 November 1909	0.723 m
1 December 1909	0.739 m
1 January 1910	0.772 m
1 February 1910	0.759 m
1 March 1910	0.739 m
1 April 1910	0.770 m
1 May 1910	1.117 m
1 June 1910	1.101 m
1 July 1910	0.974 m
1 August 1910	0.811 m
1 September 1910	0.667 m
1 October 1910	0.592 m
1 November 1910	0.557 m
1 December 1910	0.570 m
1 January 1911	0.577 m
1 February 1911	0.566 m
1 March 1911	0.535 m
1 April 1911	0.513 m
1 May 1911	0.851 m
1 June 1911	0.906 m
1 July 1911	0.837 m
1 August 1911	0.718 m
1 September 1911	0.665 m
1 October 1911	0.699 m
1 November 1911	0.868 m
1 December 1911	1.033 m
1 January 1912	1.011 m
1 February 1912	0.897 m
1 March 1912	0.795 m
1 April 1912	0.783 m
1 May 1912	0.980 m
1 June 1912	1.120 m
1 July 1912	1.053 m
1 August 1912	0.867 m
1 September 1912	0.827 m
1 October 1912	0.907 m
1 November 1912	0.927 m
1 December 1912	0.948 m
1 January 1913	0.923 m
1 February 1913	0.848 m
1 March 1913	0.795 m
1 April 1913	0.818 m
1 May 1913	1.092 m
1 June 1913	1.129 m
1 July 1913	0.997 m
1 August 1913	0.811 m
1 September 1913	0.690 m
1 October 1913	0.552 m
1 November 1913	0.496 m
1 December 1913	0.530 m
1 January 1914	0.504 m
1 February 1914	0.500 m
1 March 1914	0.497 m
1 April 1914	0.516 m
1 May 1914	0.784 m
1 June 1914	0.886 m
1 July 1914	0.778 m
1 August 1914	0.687 m
1 September 1914	0.571 m
1 October 1914	0.515 m
1 November 1914	0.488 m
1 December 1914	0.503 m
1 January 1915	0.534 m
1 February 1915	0.540 m
1 March 1915	0.521 m
1 April 1915	0.526 m
1 May 1915	0.697 m
1 June 1915	0.789 m
1 July 1915	0.767 m
1 August 1915	0.666 m
1 September 1915	0.598 m
1 October 1915	0.544 m
1 November 1915	0.515 m
1 December 1915	0.528 m
1 January 1916	0.519 m
1 February 1916	0.497 m
1 March 1916	0.463 m
1 April 1916	0.456 m
1 May 1916	0.752 m
1 June 1916	0.924 m
1 July 1916	0.956 m
1 August 1916	0.785 m
1 September 1916	0.656 m
1 October 1916	0.598 m
1 November 1916	0.647 m
1 December 1916	0.725 m
1 January 1917	0.743 m
1 February 1917	0.694 m
1 March 1917	0.629 m
1 April 1917	0.609 m
1 May 1917	0.762 m
1 June 1917	0.886 m
1 July 1917	0.819 m
1 August 1917	0.685 m
1 September 1917	0.622 m
1 October 1917	0.713 m
1 November 1917	0.850 m
1 December 1917	1.019 m
1 January 1918	1.025 m
1 February 1918	0.949 m
1 March 1918	0.845 m
1 April 1918	0.801 m
1 May 1918	0.922 m
1 June 1918	0.882 m
1 July 1918	0.792 m
1 August 1918	0.647 m
1 September 1918	0.619 m
1 October 1918	0.723 m
1 November 1918	0.844 m
1 December 1918	0.864 m
1 January 1919	0.849 m
1 February 1919	0.801 m
1 March 1919	0.734 m
1 April 1919	0.709 m
1 May 1919	0.931 m
1 June 1919	0.986 m
1 July 1919	0.921 m
1 August 1919	0.789 m
1 September 1919	0.675 m
1 October 1919	0.691 m
1 November 1919	0.701 m
1 December 1919	0.718 m
1 January 1920	0.692 m
1 February 1920	0.658 m
1 March 1920	0.629 m
1 April 1920	0.829 m
1 May 1920	1.319 m
1 June 1920	1.324 m
1 July 1920	1.095 m
1 August 1920	0.891 m
1 September 1920	0.765 m
1 October 1920	0.666 m
1 November 1920	0.603 m
1 December 1920	0.586 m
1 January 1921	0.580 m
1 February 1921	0.554 m
1 March 1921	0.529 m
1 April 1921	0.633 m
1 May 1921	0.759 m
1 June 1921	0.712 m
1 July 1921	0.678 m
1 August 1921	0.635 m
1 September 1921	0.567 m
1 October 1921	0.624 m
1 November 1921	0.743 m
1 December 1921	0.774 m
1 January 1922	0.780 m
1 February 1922	0.718 m
1 March 1922	0.676 m
1 April 1922	0.649 m
1 May 1922	1.119 m
1 June 1922	1.408 m
1 July 1922	1.309 m
1 August 1922	1.153 m
1 September 1922	1.009 m
1 October 1922	0.899 m
1 November 1922	0.917 m
1 December 1922	0.908 m
1 January 1923	0.867 m
1 February 1923	0.805 m
1 March 1923	0.715 m
1 April 1923	0.639 m
1 May 1923	0.781 m
1 June 1923	1.085 m
1 July 1923	1.124 m
1 August 1923	0.939 m
1 September 1923	0.864 m
1 October 1923	0.892 m
1 November 1923	1.116 m
1 December 1923	1.211 m
1 January 1924	1.121 m
1 February 1924	1.005 m
1 March 1924	0.903 m
1 April 1924	0.834 m
1 May 1924	1.137 m
1 June 1924	1.506 m
1 July 1924	1.496 m
1 August 1924	1.185 m
1 September 1924	0.965 m
1 October 1924	0.961 m
1 November 1924	0.969 m
1 December 1924	0.929 m
1 January 1925	0.871 m
1 February 1925	0.800 m
1 March 1925	0.729 m
1 April 1925	0.709 m
1 May 1925	0.938 m
1 June 1925	1.021 m
1 July 1925	0.903 m
1 August 1925	0.737 m
1 September 1925	0.682 m
1 October 1925	0.654 m
1 November 1925	0.688 m
1 December 1925	0.690 m
1 January 1926	0.660 m
1 February 1926	0.620 m
1 March 1926	0.589 m
1 April 1926	0.577 m
1 May 1926	0.918 m
1 June 1926	1.178 m
1 July 1926	1.087 m
1 August 1926	0.880 m
1 September 1926	0.733 m
1 October 1926	0.666 m
1 November 1926	0.670 m
1 December 1926	0.716 m
1 January 1927	0.705 m
1 February 1927	0.686 m
1 March 1927	0.652 m
1 April 1927	0.640 m
1 May 1927	0.882 m
1 June 1927	1.304 m
1 July 1927	1.299 m
1 August 1927	1.091 m
1 September 1927	0.917 m
1 October 1927	0.828 m
1 November 1927	0.792 m
1 December 1927	0.733 m
1 January 1928	0.668 m
1 February 1928	0.614 m
1 March 1928	0.545 m
1 April 1928	0.532 m
1 May 1928	0.856 m
1 June 1928	1.016 m
1 July 1928	1.017 m
1 August 1928	1.006 m
1 September 1928	0.961 m
1 October 1928	0.887 m
1 November 1928	0.938 m
1 December 1928	1.022 m
1 January 1929	0.980 m
1 February 1929	0.872 m
1 March 1929	0.764 m
1 April 1929	0.692 m
1 May 1929	0.825 m
1 June 1929	0.967 m
1 July 1929	0.911 m
1 August 1929	0.790 m
1 September 1929	0.799 m
1 October 1929	0.836 m
1 November 1929	0.897 m
1 December 1929	1.008 m
1 January 1930	1.108 m
1 February 1930	1.114 m
1 March 1930	1.003 m
1 April 1930	0.917 m
1 May 1930	0.896 m
1 June 1930	0.813 m
1 July 1930	0.689 m
1 August 1930	0.562 m
1 September 1930	0.536 m
1 October 1930	0.541 m
1 November 1930	0.743 m
1 December 1930	0.864 m
1 January 1931	0.852 m
1 February 1931	0.786 m
1 March 1931	0.729 m
1 April 1931	0.679 m
1 May 1931	1.073 m
1 June 1931	1.310 m
1 July 1931	1.269 m
1 August 1931	1.093 m
1 September 1931	1.002 m
1 October 1931	0.927 m
1 November 1931	0.919 m
1 December 1931	0.892 m
1 January 1932	0.859 m
1 February 1932	0.821 m
1 March 1932	0.735 m
1 April 1932	0.728 m
1 May 1932	1.076 m
1 June 1932	1.201 m
1 July 1932	1.054 m
1 August 1932	0.919 m
1 September 1932	0.845 m
1 October 1932	0.925 m
1 November 1932	0.977 m
1 December 1932	1.033 m
1 January 1933	1.016 m
1 February 1933	0.919 m
1 March 1933	0.805 m
1 April 1933	0.754 m
1 May 1933	0.795 m
1 June 1933	0.732 m
1 July 1933	0.622 m
1 August 1933	0.548 m
1 September 1933	0.451 m
1 October 1933	0.383 m
1 November 1933	0.386 m
1 December 1933	0.364 m
1 January 1934	0.376 m
1 February 1934	0.374 m
1 March 1934	0.362 m
1 April 1934	0.384 m
1 May 1934	0.655 m
1 June 1934	0.801 m
1 July 1934	0.967 m
1 August 1934	0.996 m
1 September 1934	0.908 m
1 October 1934	0.944 m
1 November 1934	1.145 m
1 December 1934	1.208 m
1 January 1935	1.110 m
1 February 1935	0.992 m
1 March 1935	0.885 m
1 April 1935	0.843 m
1 May 1935	0.985 m
1 June 1935	0.996 m
1 July 1935	0.863 m
1 August 1935	0.744 m
1 September 1935	0.689 m
1 October 1935	0.920 m
1 November 1935	1.147 m
1 December 1935	1.160 m
1 January 1936	1.098 m
1 February 1936	0.994 m
1 March 1936	0.891 m
1 April 1936	0.840 m
1 May 1936	1.235 m
1 June 1936	1.216 m
1 July 1936	0.992 m
1 August 1936	0.822 m
1 September 1936	0.674 m
1 October 1936	0.568 m
1 November 1936	0.566 m
1 December 1936	0.574 m
1 January 1937	0.609 m
1 February 1937	0.585 m
1 March 1937	0.563 m
1 April 1937	0.568 m
1 May 1937	0.738 m
1 June 1937	0.843 m
1 July 1937	0.674 m
1 August 1937	0.504 m
1 September 1937	0.463 m
1 October 1937	0.464 m
1 November 1937	0.490 m
1 December 1937	0.550 m
1 January 1938	0.563 m
1 February 1938	0.570 m
1 March 1938	0.561 m
1 April 1938	0.638 m
1 May 1938	1.014 m
1 June 1938	1.254 m
1 July 1938	1.218 m
1 August 1938	0.979 m
1 September 1938	0.779 m
1 October 1938	0.684 m
1 November 1938	0.678 m
1 December 1938	0.735 m
1 January 1939	0.723 m
1 February 1939	0.700 m
1 March 1939	0.655 m
1 April 1939	0.629 m
1 May 1939	0.888 m
1 June 1939	0.909 m
1 July 1939	0.809 m
1 August 1939	0.716 m
1 September 1939	0.566 m
1 October 1939	0.464 m
1 November 1939	0.429 m
1 December 1939	0.448 m
1 January 1940	0.434 m
1 February 1940	0.414 m
1 March 1940	0.389 m
1 April 1940	0.374 m
1 May 1940	0.480 m
1 June 1940	0.518 m
1 July 1940	0.455 m
1 August 1940	0.360 m
1 September 1940	0.353 m
1 October 1940	0.347 m
1 November 1940	0.376 m
1 December 1940	0.455 m
1 January 1941	0.397 m
1 February 1941	0.383 m
1 March 1941	0.393 m
1 April 1941	0.379 m
1 May 1941	0.418 m
1 June 1941	0.459 m
1 July 1941	0.401 m
1 August 1941	0.335 m
1 September 1941	0.306 m
1 October 1941	0.257 m
1 November 1941	0.240 m
1 December 1941	0.225 m
1 January 1942	0.230 m
1 February 1942	0.211 m
1 March 1942	0.200 m
1 April 1942	0.214 m
1 May 1942	0.347 m
1 June 1942	0.468 m
1 July 1942	0.424 m
1 August 1942	0.352 m
1 September 1942	0.346 m
1 October 1942	0.414 m
1 November 1942	0.598 m
1 December 1942	0.676 m
1 January 1943	0.694 m
1 February 1943	0.695 m
1 March 1943	0.659 m
1 April 1943	0.786 m
1 May 1943	1.206 m
1 June 1943	1.246 m
1 July 1943	1.112 m
1 August 1943	0.977 m
1 September 1943	0.888 m
1 October 1943	0.891 m
1 November 1943	0.928 m
1 December 1943	1.050 m
1 January 1944	1.019 m
1 February 1944	0.943 m
1 March 1944	0.860 m
1 April 1944	0.800 m
1 May 1944	1.046 m
1 June 1944	1.356 m
1 July 1944	1.321 m
1 August 1944	1.055 m
1 September 1944	0.905 m
1 October 1944	0.844 m
1 November 1944	0.910 m
1 December 1944	0.959 m
1 January 1945	0.992 m
1 February 1945	0.928 m
1 March 1945	0.869 m
1 April 1945	0.892 m
1 May 1945	1.200 m
1 June 1945	1.224 m
1 July 1945	1.082 m
1 August 1945	0.865 m
1 September 1945	0.751 m
1 October 1945	0.683 m
1 November 1945	0.654 m
1 December 1945	0.607 m
1 January 1946	0.589 m
1 February 1946	0.561 m
1 March 1946	0.511 m
1 April 1946	0.497 m
1 May 1946	0.762 m
1 June 1946	0.874 m
1 July 1946	0.819 m
1 August 1946	0.678 m
1 September 1946	0.573 m
1 October 1946	0.555 m
1 November 1946	0.503 m
1 December 1946	0.570 m
1 January 1947	0.595 m
1 February 1947	0.580 m
1 March 1947	0.535 m
1 April 1947	0.551 m
1 May 1947	0.781 m
1 June 1947	0.840 m
1 July 1947	0.772 m
1 August 1947	0.638 m
1 September 1947	0.480 m
1 October 1947	0.409 m
1 November 1947	0.378 m
1 December 1947	0.400 m
1 January 1948	0.411 m
1 February 1948	0.416 m
1 March 1948	0.392 m
1 April 1948	0.510 m
1 May 1948	0.724 m
1 June 1948	0.740 m
1 July 1948	0.684 m
1 August 1948	0.597 m
1 September 1948	0.594 m
1 October 1948	0.629 m
1 November 1948	0.722 m
1 December 1948	0.785 m
1 January 1949	0.805 m
1 February 1949	0.780 m
1 March 1949	0.721 m
1 April 1949	0.767 m
1 May 1949	0.948 m
1 June 1949	0.983 m
1 July 1949	0.878 m
1 August 1949	0.756 m
1 September 1949	0.667 m
1 October 1949	0.621 m
1 November 1949	0.679 m
1 December 1949	0.740 m
1 January 1950	0.751 m
1 February 1950	0.705 m
1 March 1950	0.650 m
1 April 1950	0.734 m
1 May 1950	0.934 m
1 June 1950	1.002 m
1 July 1950	0.936 m
1 August 1950	0.758 m
1 September 1950	0.625 m
1 October 1950	0.599 m
1 November 1950	0.602 m
1 December 1950	0.648 m
1 January 1951	0.666 m
1 February 1951	0.654 m
1 March 1951	0.617 m
1 April 1951	0.656 m
1 May 1951	1.000 m
1 June 1951	1.084 m
1 July 1951	0.992 m
1 August 1951	0.818 m
1 September 1951	0.686 m
1 October 1951	0.561 m
1 November 1951	0.506 m
1 December 1951	0.577 m
1 January 1952	0.649 m
1 February 1952	0.681 m
1 March 1952	0.684 m
1 April 1952	0.693 m
1 May 1952	0.988 m
1 June 1952	1.111 m
1 July 1952	1.078 m
1 August 1952	0.957 m
1 September 1952	0.878 m
1 October 1952	0.828 m
1 November 1952	0.782 m
1 December 1952	0.763 m
1 January 1953	0.733 m
1 February 1953	0.700 m
1 March 1953	0.653 m
1 April 1953	0.733 m
1 May 1953	1.014 m
1 June 1953	1.041 m
1 July 1953	0.927 m
1 August 1953	0.907 m
1 September 1953	0.974 m
1 October 1953	0.911 m
1 November 1953	0.825 m
1 December 1953	0.793 m
1 January 1954	0.752 m
1 February 1954	0.686 m
1 March 1954	0.626 m
1 April 1954	0.589 m
1 May 1954	0.632 m
1 June 1954	0.639 m
1 July 1954	0.662 m
1 August 1954	0.735 m
1 September 1954	0.742 m
1 October 1954	0.868 m
1 November 1954	1.099 m
1 December 1954	1.204 m
1 January 1955	1.182 m
1 February 1955	1.086 m
1 March 1955	0.958 m
1 April 1955	0.849 m
1 May 1955	1.065 m
1 June 1955	1.360 m
1 July 1955	1.210 m
1 August 1955	0.949 m
1 September 1955	0.808 m
1 October 1955	0.745 m
1 November 1955	0.751 m
1 December 1955	0.791 m
1 January 1956	0.793 m
1 February 1956	0.745 m
1 March 1956	0.668 m
1 April 1956	0.606 m
1 May 1956	0.825 m
1 June 1956	0.977 m
1 July 1956	0.867 m
1 August 1956	0.784 m
1 September 1956	0.724 m
1 October 1956	0.745 m
1 November 1956	0.822 m
1 December 1956	0.826 m
1 January 1957	0.809 m
1 February 1957	0.796 m
1 March 1957	0.766 m
1 April 1957	0.739 m
1 May 1957	1.117 m
1 June 1957	1.341 m
1 July 1957	1.250 m
1 August 1957	1.049 m
1 September 1957	0.974 m
1 October 1957	0.983 m
1 November 1957	1.095 m
1 December 1957	1.072 m
1 January 1958	no value
1 February 1958	no value
1 March 1958	no value
1 April 1958	no value
1 May 1958	no value
1 June 1958	no value
1 July 1958	no value
1 August 1958	no value
1 September 1958	no value
1 October 1958	no value
1 November 1958	no value
1 December 1958	no value
1 January 1959	0.690 m
1 February 1959	0.662 m
1 March 1959	0.635 m
1 April 1959	0.670 m
1 May 1959	1.025 m
1 June 1959	1.051 m
1 July 1959	0.913 m
1 August 1959	0.739 m
1 September 1959	0.647 m
1 October 1959	0.574 m
1 November 1959	0.585 m
1 December 1959	0.592 m
1 January 1960	0.567 m
1 February 1960	0.555 m
1 March 1960	0.527 m
1 April 1960	0.524 m
1 May 1960	0.804 m
1 June 1960	0.837 m
1 July 1960	0.790 m
1 August 1960	0.721 m
1 September 1960	0.596 m
1 October 1960	0.505 m
1 November 1960	0.490 m
1 December 1960	0.527 m
1 January 1961	0.548 m
1 February 1961	0.551 m
1 March 1961	0.579 m
1 April 1961	0.613 m
1 May 1961	0.865 m
1 June 1961	0.999 m
1 July 1961	0.962 m
1 August 1961	0.865 m
1 September 1961	0.794 m
1 October 1961	0.706 m
1 November 1961	0.769 m
1 December 1961	0.812 m
1 January 1962	0.799 m
1 February 1962	0.765 m
1 March 1962	0.732 m
1 April 1962	0.812 m
1 May 1962	1.155 m
1 June 1962	1.192 m
1 July 1962	1.043 m
1 August 1962	0.942 m
1 September 1962	0.977 m
1 October 1962	0.976 m
1 November 1962	0.982 m
1 December 1962	0.970 m
1 January 1963	0.899 m
1 February 1963	0.811 m
1 March 1963	0.735 m
1 April 1963	0.687 m
1 May 1963	0.874 m
1 June 1963	0.868 m
1 July 1963	0.737 m
1 August 1963	0.627 m
1 September 1963	0.626 m
1 October 1963	0.651 m
1 November 1963	0.756 m
1 December 1963	0.780 m
1 January 1964	0.743 m
1 February 1964	0.712 m
1 March 1964	0.649 m
1 April 1964	0.636 m
1 May 1964	0.869 m
1 June 1964	0.961 m
1 July 1964	0.828 m
1 August 1964	0.667 m
1 September 1964	0.592 m
1 October 1964	0.576 m
1 November 1964	0.584 m
1 December 1964	0.625 m
1 January 1965	0.699 m
1 February 1965	0.705 m
1 March 1965	0.666 m
1 April 1965	0.695 m
1 May 1965	0.925 m
1 June 1965	0.962 m
1 July 1965	0.874 m
1 August 1965	0.808 m
1 September 1965	0.750 m
1 October 1965	0.780 m
1 November 1965	0.811 m
1 December 1965	0.823 m
1 January 1966	0.784 m
1 February 1966	0.723 m
1 March 1966	0.673 m
1 April 1966	0.627 m
1 May 1966	0.901 m
1 June 1966	1.086 m
1 July 1966	0.999 m
1 August 1966	0.907 m
1 September 1966	0.821 m
1 October 1966	0.833 m
1 November 1966	0.908 m
1 December 1966	0.960 m
1 January 1967	0.923 m
1 February 1967	0.858 m
1 March 1967	0.825 m
1 April 1967	0.896 m
1 May 1967	1.235 m
1 June 1967	1.341 m
1 July 1967	1.160 m
1 August 1967	0.951 m
1 September 1967	0.866 m
1 October 1967	0.809 m
1 November 1967	0.912 m
1 December 1967	0.976 m
1 January 1968	0.923 m
1 February 1968	0.846 m
1 March 1968	0.765 m
1 April 1968	0.828 m
1 May 1968	1.233 m
1 June 1968	1.402 m
1 July 1968	1.211 m
1 August 1968	0.985 m
1 September 1968	0.840 m
1 October 1968	0.771 m
1 November 1968	0.876 m
1 December 1968	0.921 m
1 January 1969	0.864 m
1 February 1969	0.805 m
1 March 1969	0.730 m
1 April 1969	0.708 m
1 May 1969	1.058 m
1 June 1969	1.160 m
1 July 1969	0.990 m
1 August 1969	0.779 m
1 September 1969	0.653 m
1 October 1969	0.599 m
1 November 1969	0.608 m
1 December 1969	0.705 m
1 January 1970	0.688 m
1 February 1970	0.647 m
1 March 1970	0.606 m
1 April 1970	0.607 m
1 May 1970	0.930 m
1 June 1970	1.076 m
1 July 1970	0.941 m
1 August 1970	0.850 m
1 September 1970	0.737 m
1 October 1970	0.704 m
1 November 1970	0.755 m
1 December 1970	0.792 m
1 January 1971	0.818 m
1 February 1971	0.853 m
1 March 1971	0.829 m
1 April 1971	0.822 m
1 May 1971	1.141 m
1 June 1971	1.315 m
1 July 1971	1.097 m
1 August 1971	0.945 m
1 September 1971	0.838 m
1 October 1971	0.763 m
1 November 1971	0.779 m
1 December 1971	0.792 m
1 January 1972	0.756 m
1 February 1972	0.705 m
1 March 1972	0.634 m
1 April 1972	0.659 m
1 May 1972	0.980 m
1 June 1972	1.064 m
1 July 1972	0.955 m
1 August 1972	0.884 m
1 September 1972	0.877 m
1 October 1972	0.786 m
1 November 1972	0.791 m
1 December 1972	0.935 m
1 January 1973	0.966 m
1 February 1973	0.909 m
1 March 1973	0.830 m
1 April 1973	0.846 m
1 May 1973	1.043 m
1 June 1973	1.126 m
1 July 1973	0.981 m
1 August 1973	0.781 m
1 September 1973	0.652 m
1 October 1973	0.591 m
1 November 1973	0.607 m
1 December 1973	0.614 m
1 January 1974	0.608 m
1 February 1974	0.637 m
1 March 1974	0.653 m
1 April 1974	0.677 m
1 May 1974	0.894 m
1 June 1974	1.065 m
1 July 1974	1.110 m
1 August 1974	1.275 m
1 September 1974	1.352 m
1 October 1974	1.329 m
1 November 1974	1.330 m
1 December 1974	1.363 m
1 January 1975	1.359 m
1 February 1975	1.255 m
1 March 1975	1.103 m
1 April 1975	1.027 m
1 May 1975	1.277 m
1 June 1975	1.238 m
1 July 1975	1.043 m
1 August 1975	0.832 m
1 September 1975	0.719 m
1 October 1975	0.674 m
1 November 1975	0.608 m
1 December 1975	0.592 m
1 January 1976	0.578 m
1 February 1976	0.537 m
1 March 1976	0.489 m
1 April 1976	0.492 m
1 May 1976	0.590 m
1 June 1976	0.641 m
1 July 1976	0.712 m
1 August 1976	0.776 m
1 September 1976	0.738 m
1 October 1976	0.713 m
1 November 1976	0.700 m
1 December 1976	0.736 m
1 January 1977	0.724 m
1 February 1977	0.703 m
1 March 1977	0.673 m
1 April 1977	0.696 m
1 May 1977	1.148 m
1 June 1977	1.260 m
1 July 1977	1.081 m
1 August 1977	1.035 m
1 September 1977	0.947 m
1 October 1977	0.934 m
1 November 1977	1.030 m
1 December 1977	1.047 m
1 January 1978	0.942 m
1 February 1978	0.821 m
1 March 1978	0.735 m
1 April 1978	0.716 m
1 May 1978	0.751 m
1 June 1978	0.712 m
1 July 1978	0.690 m
1 August 1978	0.611 m
1 September 1978	0.568 m
1 October 1978	0.515 m
1 November 1978	0.522 m
1 December 1978	0.549 m
1 January 1979	no value
1 February 1979	no value
1 March 1979	no value
1 April 1979	0.511 m
1 May 1979	0.712 m
1 June 1979	0.797 m
1 July 1979	0.764 m
1 August 1979	0.757 m
1 September 1979	0.747 m
1 October 1979	0.778 m
1 November 1979	0.814 m
1 December 1979	0.913 m
1 January 1980	0.874 m
1 February 1980	0.796 m
1 March 1980	0.716 m
1 April 1980	0.672 m
1 May 1980	0.801 m
1 June 1980	0.904 m
1 July 1980	1.022 m
1 August 1980	1.036 m
1 September 1980	1.012 m
1 October 1980	0.975 m
1 November 1980	1.008 m
1 December 1980	1.001 m
1 January 1981	0.934 m
1 February 1981	0.872 m
1 March 1981	0.799 m
1 April 1981	0.776 m
1 May 1981	1.003 m
1 June 1981	1.304 m
1 July 1981	1.408 m
1 August 1981	1.280 m
1 September 1981	1.156 m
1 October 1981	1.078 m
1 November 1981	1.153 m
1 December 1981	1.201 m
1 January 1982	1.100 m
1 February 1982	0.979 m
1 March 1982	0.858 m
1 April 1982	0.855 m
1 May 1982	1.258 m
1 June 1982	1.347 m
1 July 1982	1.128 m
1 August 1982	0.903 m
1 September 1982	0.744 m
1 October 1982	0.628 m
1 November 1982	0.587 m
1 December 1982	0.660 m
1 January 1983	0.723 m
1 February 1983	0.751 m
1 March 1983	0.710 m
1 April 1983	0.814 m
1 May 1983	1.132 m
1 June 1983	1.248 m
1 July 1983	1.124 m
1 August 1983	0.925 m
1 September 1983	0.787 m
1 October 1983	0.828 m
1 November 1983	0.927 m
1 December 1983	0.933 m
1 January 1984	0.928 m
1 February 1984	0.864 m
1 March 1984	0.792 m
1 April 1984	0.899 m
1 May 1984	1.311 m
1 June 1984	1.221 m
1 July 1984	1.039 m
1 August 1984	0.895 m
1 September 1984	0.731 m
1 October 1984	0.716 m
1 November 1984	0.771 m
1 December 1984	0.762 m
1 January 1985	0.642 m
1 February 1985	0.631 m
1 March 1985	0.616 m
1 April 1985	0.583 m
1 May 1985	0.781 m
1 June 1985	0.936 m
1 July 1985	0.845 m
1 August 1985	0.791 m
1 September 1985	0.720 m
1 October 1985	0.793 m
1 November 1985	0.927 m
1 December 1985	0.966 m
1 January 1986	0.942 m
1 February 1986	0.831 m
1 March 1986	0.728 m
1 April 1986	0.682 m
1 May 1986	0.945 m
1 June 1986	1.089 m
1 July 1986	0.947 m
1 August 1986	0.828 m
1 September 1986	0.805 m
1 October 1986	0.816 m
1 November 1986	0.949 m
1 December 1986	1.164 m
1 January 1987	1.075 m
1 February 1987	0.961 m
1 March 1987	0.851 m
1 April 1987	0.763 m
1 May 1987	0.940 m
1 June 1987	1.075 m
1 July 1987	1.074 m
1 August 1987	1.043 m
1 September 1987	1.073 m
1 October 1987	1.131 m
1 November 1987	1.071 m
1 December 1987	0.977 m
1 January 1988	0.924 m
1 February 1988	0.858 m
1 March 1988	0.796 m
1 April 1988	0.811 m
1 May 1988	1.237 m
1 June 1988	1.542 m
1 July 1988	1.304 m
1 August 1988	1.094 m
1 September 1988	0.983 m
1 October 1988	0.915 m
1 November 1988	0.870 m
1 December 1988	0.806 m
1 January 1989	0.754 m
1 February 1989	0.737 m
1 March 1989	0.753 m
1 April 1989	0.911 m
1 May 1989	1.275 m
1 June 1989	1.213 m
1 July 1989	1.014 m
1 August 1989	0.851 m
1 September 1989	0.696 m
1 October 1989	0.607 m
1 November 1989	0.624 m
1 December 1989	0.599 m
1 January 1990	0.606 m
1 February 1990	0.653 m
1 March 1990	0.747 m
1 April 1990	0.946 m
1 May 1990	1.155 m
1 June 1990	1.039 m
1 July 1990	0.881 m
1 August 1990	0.811 m
1 September 1990	0.734 m
1 October 1990	0.648 m
1 November 1990	0.613 m
1 December 1990	0.608 m
1 January 1991	0.588 m
1 February 1991	0.544 m
1 March 1991	0.510 m
1 April 1991	0.639 m
1 May 1991	0.884 m
1 June 1991	0.997 m
1 July 1991	1.038 m
1 August 1991	0.908 m
1 September 1991	0.780 m
1 October 1991	0.837 m
1 November 1991	0.919 m
1 December 1991	1.016 m
1 January 1992	1.012 m
1 February 1992	0.940 m
1 March 1992	0.890 m
1 April 1992	0.928 m
1 May 1992	1.113 m
1 June 1992	1.047 m
1 July 1992	0.893 m
1 August 1992	0.825 m
1 September 1992	0.850 m
1 October 1992	0.918 m
1 November 1992	0.989 m
1 December 1992	1.047 m
1 January 1993	1.022 m
1 February 1993	0.942 m
1 March 1993	0.845 m
1 April 1993	0.796 m
1 May 1993	0.970 m
1 June 1993	1.080 m
1 July 1993	1.056 m
1 August 1993	0.934 m
1 September 1993	0.816 m
1 October 1993	0.734 m
1 November 1993	0.706 m
1 December 1993	0.674 m
1 January 1994	0.676 m
1 February 1994	0.613 m
1 March 1994	0.575 m
1 April 1994	0.694 m
1 May 1994	1.116 m
1 June 1994	1.185 m
1 July 1994	1.065 m
1 August 1994	0.877 m
1 September 1994	0.754 m
1 October 1994	0.781 m
1 November 1994	0.867 m
1 December 1994	0.847 m
1 January 1995	0.820 m
1 February 1995	0.788 m
1 March 1995	0.783 m
1 April 1995	0.828 m
1 May 1995	1.117 m
1 June 1995	1.279 m
1 July 1995	1.097 m
1 August 1995	0.870 m
1 September 1995	0.747 m
1 October 1995	0.695 m
1 November 1995	0.663 m
1 December 1995	0.625 m
1 January 1996	0.559 m
1 February 1996	0.511 m
1 March 1996	0.480 m
1 April 1996	0.475 m
1 May 1996	0.698 m
1 June 1996	0.864 m
1 July 1996	0.971 m
1 August 1996	0.940 m
1 September 1996	0.745 m
1 October 1996	0.595 m
1 November 1996	0.644 m
1 December 1996	0.777 m
1 January 1997	0.804 m
1 February 1997	0.758 m
1 March 1997	0.753 m
1 April 1997	0.737 m
1 May 1997	0.882 m
1 June 1997	0.972 m
1 July 1997	0.918 m
1 August 1997	0.784 m
1 September 1997	0.638 m
1 October 1997	0.591 m
1 November 1997	0.563 m
1 December 1997	0.577 m
1 January 1998	0.568 m
1 February 1998	0.582 m
1 March 1998	0.597 m
1 April 1998	0.583 m
1 May 1998	0.937 m
1 June 1998	1.127 m
1 July 1998	1.106 m
1 August 1998	1.120 m
1 September 1998	1.038 m
1 October 1998	0.938 m
1 November 1998	0.971 m
1 December 1998	0.950 m
1 January 1999	0.886 m
1 February 1999	0.820 m
1 March 1999	0.731 m
1 April 1999	0.765 m
1 May 1999	0.949 m
1 June 1999	0.920 m
1 July 1999	0.825 m
1 August 1999	0.665 m
1 September 1999	0.524 m
1 October 1999	0.516 m
1 November 1999	0.511 m
1 December 1999	0.522 m
1 January 2000	0.582 m
1 February 2000	0.594 m
1 March 2000	0.608 m
1 April 2000	0.690 m
1 May 2000	0.971 m
1 June 2000	0.986 m
1 July 2000	0.943 m
1 August 2000	0.820 m
1 September 2000	0.701 m
1 October 2000	0.603 m
1 November 2000	0.622 m
1 December 2000	0.793 m
1 January 2001	0.867 m
1 February 2001	0.864 m
1 March 2001	0.834 m
1 April 2001	0.851 m
1 May 2001	1.107 m
1 June 2001	1.141 m
1 July 2001	1.016 m
1 August 2001	0.837 m
1 September 2001	0.687 m
1 October 2001	0.605 m
1 November 2001	0.588 m
1 December 2001	0.544 m
1 January 2002	0.519 m
1 February 2002	0.572 m
1 March 2002	0.583 m
1 April 2002	0.659 m
1 May 2002	0.993 m
1 June 2002	0.969 m
1 July 2002	0.896 m
1 August 2002	0.726 m
1 September 2002	0.588 m
1 October 2002	0.472 m
1 November 2002	0.411 m
1 December 2002	0.393 m
1 January 2003	0.376 m
1 February 2003	0.378 m
1 March 2003	0.406 m
1 April 2003	0.451 m
1 May 2003	0.701 m
1 June 2003	0.913 m
1 July 2003	0.863 m
1 August 2003	0.778 m
1 September 2003	0.679 m
1 October 2003	0.631 m
1 November 2003	0.661 m
1 December 2003	0.718 m
1 January 2004	0.735 m
1 February 2004	0.745 m
1 March 2004	0.754 m
1 April 2004	0.761 m
1 May 2004	0.965 m
1 June 2004	1.072 m
1 July 2004	1.029 m
1 August 2004	1.175 m
1 September 2004	1.082 m
1 October 2004	1.071 m
1 November 2004	1.050 m
1 December 2004	1.021 m
1 January 2005	1.006 m
1 February 2005	0.990 m
1 March 2005	0.895 m
1 April 2005	0.873 m
1 May 2005	1.068 m
1 June 2005	1.085 m
1 July 2005	0.924 m
1 August 2005	0.853 m
1 September 2005	0.709 m
1 October 2005	0.596 m
1 November 2005	0.550 m
1 December 2005	0.611 m
1 January 2006	0.646 m
1 February 2006	0.615 m
1 March 2006	0.571 m
1 April 2006	0.595 m
1 May 2006	0.855 m
1 June 2006	0.890 m
1 July 2006	0.737 m
1 August 2006	0.537 m
1 September 2006	0.416 m
1 October 2006	0.387 m
1 November 2006	0.432 m
1 December 2006	0.666 m
1 January 2007	0.834 m
1 February 2007	0.868 m
1 March 2007	0.844 m
1 April 2007	0.866 m
1 May 2007	0.946 m
1 June 2007	0.906 m
1 July 2007	0.788 m
1 August 2007	0.728 m
1 September 2007	0.659 m
1 October 2007	0.672 m
1 November 2007	0.702 m
1 December 2007	0.787 m
1 January 2008	0.909 m
1 February 2008	0.951 m
1 March 2008	0.918 m
1 April 2008	1.005 m
1 May 2008	1.154 m
1 June 2008	1.096 m
1 July 2008	1.098 m
1 August 2008	1.106 m
1 September 2008	1.020 m
1 October 2008	0.907 m
1 November 2008	1.065 m
1 December 2008	1.204 m
1 January 2009	1.135 m
1 February 2009	1.023 m
1 March 2009	0.915 m
1 April 2009	0.803 m
1 May 2009	0.936 m
1 June 2009	0.887 m
1 July 2009	0.745 m
1 August 2009	0.636 m
1 September 2009	0.512 m
1 October 2009	0.439 m
1 November 2009	0.424 m
1 December 2009	0.501 m
1 January 2010	0.519 m
1 February 2010	0.503 m
1 March 2010	0.505 m
1 April 2010	0.654 m
1 May 2010	0.955 m
1 June 2010	1.038 m
1 July 2010	0.902 m
1 August 2010	0.702 m
1 September 2010	0.582 m
1 October 2010	0.532 m
1 November 2010	0.542 m
1 December 2010	0.531 m
1 January 2011	0.507 m
1 February 2011	0.531 m
1 March 2011	0.485 m
1 April 2011	0.574 m
1 May 2011	0.873 m
1 June 2011	0.870 m
1 July 2011	0.822 m
1 August 2011	0.769 m
1 September 2011	0.755 m
1 October 2011	0.867 m
1 November 2011	0.890 m
1 December 2011	0.873 m
1 January 2012	0.931 m
1 February 2012	0.892 m
1 March 2012	0.836 m
1 April 2012	0.827 m
1 May 2012	1.215 m
1 June 2012	1.276 m
1 July 2012	1.253 m
1 August 2012	1.178 m
1 September 2012	1.015 m
1 October 2012	1.064 m
1 November 2012	1.170 m
1 December 2012	1.164 m
1 January 2013	1.046 m
1 February 2013	0.948 m
1 March 2013	0.852 m
1 April 2013	0.812 m
1 May 2013	1.067 m
1 June 2013	1.010 m
1 July 2013	0.934 m
1 August 2013	0.845 m
1 September 2013	0.736 m
1 October 2013	0.666 m
1 November 2013	0.817 m
1 December 2013	0.973 m
1 January 2014	1.179 m
1 February 2014	1.101 m
1 March 2014	1.005 m
1 April 2014	0.940 m
1 May 2014	0.926 m
1 June 2014	1.091 m
1 July 2014	0.973 m
1 August 2014	0.817 m
1 September 2014	0.698 m
1 October 2014	0.605 m
1 November 2014	0.663 m
1 December 2014	0.741 m
1 January 2015	0.807 m
1 February 2015	0.791 m
1 March 2015	0.813 m
1 April 2015	0.963 m
1 May 2015	1.263 m
1 June 2015	1.238 m
1 July 2015	1.148 m
1 August 2015	1.042 m
1 September 2015	0.887 m
1 October 2015	0.778 m
1 November 2015	0.736 m
1 December 2015	0.894 m
1 January 2016	1.045 m
1 February 2016	1.027 m
1 March 2016	0.993 m
1 April 2016	1.034 m
1 May 2016	1.233 m
1 June 2016	1.132 m
1 July 2016	no value
1 August 2016	no value
1 September 2016	no value
1 October 2016	0.674 m
1 November 2016	0.652 m
1 December 2016	0.706 m
1 January 2017	0.698 m
1 February 2017	0.671 m
1 March 2017	0.662 m
1 April 2017	0.722 m
1 May 2017	0.965 m
1 June 2017	1.008 m
1 July 2017	0.896 m
1 August 2017	0.811 m
1 September 2017	0.767 m
1 October 2017	0.798 m
1 November 2017	0.845 m
1 December 2017	0.995 m
1 January 2018	1.060 m
1 February 2018	1.002 m
1 March 2018	0.887 m
1 April 2018	0.905 m
1 May 2018	1.280 m
1 June 2018	1.144 m
1 July 2018	0.965 m
1 August 2018	0.749 m
1 September 2018	0.593 m
1 October 2018	0.505 m
1 November 2018	0.473 m
1 December 2018	0.459 m
1 January 2019	0.492 m
1 February 2019	0.501 m
1 March 2019	0.505 m
1 April 2019	0.584 m
1 May 2019	0.848 m
1 June 2019	0.916 m
1 July 2019	0.770 m
1 August 2019	0.575 m
1 September 2019	0.479 m
1 October 2019	0.484 m
1 November 2019	0.543 m
1 December 2019	0.768 m
1 January 2020	0.907 m
1 February 2020	0.971 m
1 March 2020	0.939 m
1 April 2020	0.999 m
1 May 2020	1.025 m
1 June 2020	0.927 m
1 July 2020	0.880 m
1 August 2020	0.794 m
1 September 2020	0.731 m
1 October 2020	0.765 m
1 November 2020	0.845 m
1 December 2020	0.969 m
1 January 2021	1.031 m
1 February 2021	0.994 m
1 March 2021	0.922 m
1 April 2021	1.020 m
1 May 2021	1.249 m
1 June 2021	1.149 m
1 July 2021	0.895 m
1 August 2021	0.743 m
1 September 2021	0.701 m
1 October 2021	0.671 m
1 November 2021	0.825 m
1 December 2021	0.866 m
1 January 2022	0.827 m
1 February 2022	0.805 m
1 March 2022	0.780 m
1 April 2022	0.860 m
1 May 2022	1.182 m
1 June 2022	1.230 m
1 July 2022	1.058 m
1 August 2022	0.888 m
1 September 2022	0.709 m
1 October 2022	0.612 m
1 November 2022	0.631 m
1 December 2022	0.663 m
1 January 2023	0.691 m
1 February 2023	0.723 m
1 March 2023	0.717 m
1 April 2023	0.760 m
1 May 2023	1.120 m
1 June 2023	1.076 m
1 July 2023	0.957 m
1 August 2023	0.927 m
1 September 2023	0.831 m
1 October 2023	0.906 m
1 November 2023	0.984 m
1 December 2023	0.981 m
1 January 2024	0.850 m
1 February 2024	0.806 m
1 March 2024	0.742 m
1 April 2024	0.921 m
1 May 2024	1.221 m
1 June 2024	1.123 m
1 July 2024	0.926 m
1 August 2024	0.757 m
1 September 2024	0.708 m
1 October 2024	0.727 m
1 November 2024	0.743 m
1 December 2024	0.853 m
1 January 2025	0.879 m
1 February 2025	0.854 m
1 March 2025	0.833 m
1 April 2025	0.929 m
1 May 2025	0.937 m
1 June 2025	0.827 m
1 July 2025	0.746 m
1 August 2025	0.581 m
1 September 2025	0.477 m
1 October 2025	0.432 m
1 November 2025	0.431 m
1 December 2025	0.543 m
1 January 2026	0.640 m
1 February 2026	0.614 m
1 March 2026	0.619 m
1 April 2026	0.660 m
1 May 2026	0.634 m
1 June 2026	0.663 m
1 July 2026	0.610 m
1 August 2026	0.547 m
1 September 2026	0.496 m
1 October 2026	0.569 m

How this compares

The daily value on 26 October 2026 was 0.62 m, the forty-first lowest for 26 October in 117 years of record (1909 to 2026). The newest value is provisional.
That is 0.06 m below the median of 0.68 m for 26 October over the last 10 years. The newest value is provisional.

Same date in past years

26 October in the last 10 years

Day	Level	Against the normal range for the date
26 October 2025	0.42 m
26 October 2024	0.74 m
26 October 2023	0.93 m
26 October 2022	0.59 m
26 October 2021	0.72 m
26 October 2020	0.76 m
26 October 2019	0.49 m
26 October 2018	0.50 m
26 October 2017	0.80 m
26 October 2016	0.64 m

Year by year

Lowest and highestAcross the year

The lowest and highest daily value of each year

Each year, lowest to highest
The year so far
Lowest in our series
Highest in our series

The lowest and highest daily value of Lake Iisvesi in each year from 1910 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily value in our series since 7 July 1909 was 0.19 m, on 21 March 1942 and 13 other days. The highest was 1.58 m, on 30 June 1924 and 5 other days.

Table: The lowest and highest daily value of each year

Year	Lowest daily value (m)	Day	Highest daily value (m)	Day	Days with a value
1910	0.54 m	2 November	1.17 m	22 May	365
1911	0.48 m	19 April	1.05 m	28 December	365
1912	0.73 m	17 April	1.16 m	27 June	366
1913	0.46 m	13 November	1.15 m	14 June	365
1914	0.47 m	1 April	0.92 m	14 June	365
1915	0.49 m	31 March	0.80 m	10 June	365
1916	0.43 m	8 April	1.01 m	23 June	366
1917	0.58 m	7 April	1.06 m	22 December	365
1918	0.59 m	11 September	1.06 m	2 January	365
1919	0.64 m	20 September	1.01 m	8 June	365
1920	0.57 m	8 November	1.40 m	26 May	366
1921	0.52 m	15 March	0.83 m	17 May	365
1922	0.64 m	3 April	1.44 m	11 June	365
1923	0.62 m	27 April	1.22 m	12 December	365
1924	0.81 m	27 April	1.58 m	30 June	366
1925	0.63 m	24 October	1.04 m	2 June	365
1926	0.56 m	28 March	1.21 m	10 June	365
1927	0.63 m	28 March	1.39 m	1 July	365
1928	0.50 m	5 April	1.05 m	30 June	366
1929	0.67 m	17 April	1.04 m	18 December	365
1930	0.51 m	15 September	1.16 m	26 January	365
1931	0.65 m	15 April	1.35 m	26 June	365
1932	0.68 m	30 March	1.22 m	4 June	366
1933	0.35 m	15 December	1.04 m	1 January	365
1934	0.33 m	15 April	1.22 m	1 December	365
1935	0.65 m	13 September	1.19 m	22 November	365
1936	0.53 m	28 October	1.30 m	2 June	366
1937	0.42 m	29 August	0.88 m	4 June	365
1938	0.54 m	5 January	1.28 m	1 July	365
1939	0.40 m	6 November	0.96 m	26 May	365
1940	0.31 m	1 November	0.54 m	2 June	366
1941	0.22 m	18 October	0.48 m	31 May	365
1942	0.19 m	21 March	0.70 m	31 December	365
1943	0.63 m	29 March	1.30 m	28 May	365
1944	0.77 m	14 April	1.42 m	21 June	366
1945	0.60 m	9 December	1.28 m	23 May	365
1946	0.47 m	5 April	0.89 m	17 June	365
1947	0.36 m	6 November	0.87 m	19 June	365
1948	0.38 m	19 March	0.80 m	23 November	366
1949	0.58 m	19 October	1.01 m	6 June	365
1950	0.57 m	2 October	1.03 m	1 June	365
1951	0.48 m	8 November	1.12 m	3 June	365
1952	0.61 m	1 January	1.15 m	26 June	366
1953	0.62 m	26 March	1.07 m	25 May	365
1954	0.58 m	12 April	1.24 m	27 December	365
1955	0.71 m	21 October	1.40 m	5 June	365
1956	0.59 m	19 April	1.00 m	9 June	366
1957	0.72 m	5 April	1.37 m	13 June	365
1959	0.55 m	19 October	1.10 m	27 May	365
1960	0.46 m	11 April	0.87 m	3 June	366
1961	0.54 m	1 January	1.03 m	20 June	365
1962	0.46 m	10 February	1.25 m	2 June	365
1963	0.59 m	24 August	0.94 m	1 January	365
1964	0.54 m	11 November	0.99 m	7 June	366
1965	0.65 m	17 March	1.00 m	29 May	365
1966	0.60 m	24 April	1.11 m	8 June	365
1967	0.78 m	3 October	1.38 m	29 May	365
1968	0.74 m	21 March	1.45 m	11 June	366
1969	0.51 m	7 November	1.20 m	29 May	365
1970	0.59 m	28 March	1.12 m	5 June	365
1971	0.73 m	18 October	1.37 m	4 June	365
1972	0.59 m	28 March	1.09 m	6 June	366
1973	0.57 m	25 October	1.18 m	17 June	365
1974	0.60 m	11 January	1.40 m	30 December	365
1975	0.58 m	29 November	1.38 m	1 January	365
1976	0.46 m	28 March	0.82 m	6 August	366
1977	0.66 m	16 March	1.32 m	27 May	365
1978	0.50 m	13 October	1.00 m	1 January	365
1980	0.65 m	11 April	1.07 m	12 August	366
1981	0.75 m	8 April	1.44 m	6 July	365
1982	0.56 m	14 November	1.40 m	1 June	365
1983	0.67 m	2 January	1.28 m	7 June	365
1984	0.68 m	3 October	1.38 m	23 May	366
1985	0.56 m	21 April	0.99 m	1 December	365
1986	0.67 m	17 April	1.20 m	18 December	365
1987	0.74 m	13 April	1.16 m	1 January	365
1988	0.76 m	28 March	1.58 m	7 June	366
1989	0.59 m	25 October	1.30 m	13 May	365
1990	0.60 m	11 January	1.17 m	6 May	365
1991	0.50 m	15 March	1.08 m	2 July	365
1992	0.81 m	1 August	1.17 m	23 May	366
1993	0.67 m	28 November	1.14 m	20 June	365
1994	0.57 m	25 February	1.20 m	29 May	365
1995	0.59 m	30 December	1.31 m	15 June	365
1996	0.46 m	1 April	1.03 m	17 July	366
1997	0.55 m	6 November	0.99 m	30 May	365
1998	0.56 m	1 January	1.17 m	25 June	365
1999	0.47 m	28 September	0.96 m	8 May	365
2000	0.57 m	1 January	1.00 m	4 June	366
2001	0.53 m	27 December	1.16 m	24 May	365
2002	0.39 m	11 December	1.04 m	20 May	365
2003	0.36 m	1 February	0.96 m	18 June	365
2004	0.71 m	9 April	1.21 m	12 August	366
2005	0.54 m	5 November	1.14 m	27 May	365
2006	0.37 m	27 September	0.93 m	5 June	365
2007	0.64 m	20 September	0.97 m	18 May	365
2008	0.84 m	1 January	1.22 m	18 December	366
2009	0.41 m	10 November	1.19 m	1 January	365
2010	0.49 m	28 January	1.05 m	1 June	365
2011	0.46 m	1 April	0.93 m	31 December	365
2012	0.78 m	13 April	1.33 m	29 May	366
2013	0.64 m	22 October	1.11 m	1 January	365
2014	0.58 m	26 October	1.21 m	14 January	365
2015	0.70 m	2 November	1.32 m	21 May	365
2017	0.65 m	14 March	1.07 m	2 June	365
2018	0.44 m	31 October	1.35 m	18 May	365
2019provisional	0.43 m	29 September	0.95 m	2 June	365
2020provisional	0.66 m	8 September	1.06 m	21 May	366
2021provisional	0.62 m	4 October	1.28 m	24 May	365
2022provisional	0.58 m	5 November	1.27 m	27 May	365
2023provisional	0.67 m	8 January	1.17 m	21 May	365
2024provisional	0.65 m	10 September	1.26 m	20 May	366
2025provisional	0.39 m	22 October	1.00 m	4 May	365
2026so far, provisional	0.46 m	16 September	0.71 m	17 June	299

Each year from January to December, weekly averages

The year so far
2025, the year before
Other years
Normal range for the week

The weekly averages of Lake Iisvesi in each year from 1986 to 2025 with a value in at least 26 weeks, and in 2026 so far, on one axis from January to December, with the normal range for each week. Each week is 7 days counted from 1 January (in a leap year, the weeks after 29 February start a day earlier), the last to 31 December.

Table: Each year from January to December, weekly averages

Week	2026 so far Weekly average (m)	Normal range (m)
1 Jan to 7 Jan	0.636 m	0.530 m to 1.060 m
8 Jan to 14 Jan	0.644 m	0.521 m to 1.060 m
15 Jan to 21 Jan	0.640 m	0.520 m to 1.049 m
22 Jan to 28 Jan	0.640 m	0.530 m to 1.040 m
29 Jan to 4 Feb	0.633 m	0.530 m to 1.020 m
5 Feb to 11 Feb	0.621 m	0.530 m to 1.000 m
12 Feb to 18 Feb	0.610 m	0.520 m to 0.980 m
19 Feb to 25 Feb	0.606 m	0.520 m to 0.960 m
26 Feb to 4 Mar	0.611 m	0.501 m to 0.940 m
5 Mar to 11 Mar	0.606 m	0.500 m to 0.920 m
12 Mar to 18 Mar	0.606 m	0.500 m to 0.899 m
19 Mar to 25 Mar	0.626 m	0.500 m to 0.880 m
26 Mar to 1 Apr	0.646 m	0.490 m to 0.860 m
2 Apr to 8 Apr	0.661 m	0.480 m to 0.860 m
9 Apr to 15 Apr	0.660 m	0.490 m to 0.890 m
16 Apr to 22 Apr	0.661 m	0.510 m to 0.930 m
23 Apr to 29 Apr	0.661 m	0.560 m to 1.020 m
30 Apr to 6 May	0.629 m	0.616 m to 1.110 m
7 May to 13 May	0.609 m	0.680 m to 1.200 m
14 May to 20 May	0.616 m	0.740 m to 1.260 m
21 May to 27 May	0.666 m	0.770 m to 1.300 m
28 May to 3 Jun	0.656 m	0.800 m to 1.310 m
4 Jun to 10 Jun	0.643 m	0.805 m to 1.300 m
11 Jun to 17 Jun	0.663 m	0.800 m to 1.310 m
18 Jun to 24 Jun	0.689 m	0.800 m to 1.310 m
25 Jun to 1 Jul	0.661 m	0.790 m to 1.289 m
2 Jul to 8 Jul	0.634 m	0.761 m to 1.250 m
9 Jul to 15 Jul	0.611 m	0.740 m to 1.220 m
16 Jul to 22 Jul	0.604 m	0.710 m to 1.180 m
23 Jul to 29 Jul	0.590 m	0.690 m to 1.140 m
30 Jul to 5 Aug	0.586 m	0.660 m to 1.130 m
6 Aug to 12 Aug	0.563 m	0.650 m to 1.090 m
13 Aug to 19 Aug	0.540 m	0.620 m to 1.070 m
20 Aug to 26 Aug	0.539 m	0.590 m to 1.040 m
27 Aug to 2 Sep	0.507 m	0.580 m to 1.030 m
3 Sep to 9 Sep	0.499 m	0.560 m to 1.010 m
10 Sep to 16 Sep	0.486 m	0.550 m to 0.990 m
17 Sep to 23 Sep	0.489 m	0.520 m to 0.980 m
24 Sep to 30 Sep	0.506 m	0.510 m to 0.960 m
1 Oct to 7 Oct	0.519 m	0.500 m to 0.940 m
8 Oct to 14 Oct	0.561 m	0.500 m to 0.930 m
15 Oct to 21 Oct	0.593 m	0.481 m to 0.940 m
22 Oct to 28 Oct	no value	0.480 m to 0.960 m
29 Oct to 4 Nov	no value	0.480 m to 0.980 m
5 Nov to 11 Nov	no value	0.480 m to 1.000 m
12 Nov to 18 Nov	no value	0.490 m to 1.019 m
19 Nov to 25 Nov	no value	0.490 m to 1.050 m
26 Nov to 2 Dec	no value	0.500 m to 1.040 m
3 Dec to 9 Dec	no value	0.520 m to 1.050 m
10 Dec to 16 Dec	no value	0.530 m to 1.050 m
17 Dec to 23 Dec	no value	0.530 m to 1.050 m
24 Dec to 31 Dec	no value	0.530 m to 1.050 m

Every year

Year	Days with a value	Days below the normal range
2026to 27 October 2026	300	144
2025	365	144
2024	366	0
2023	365	0
2022	365	0
2021	365	0
2020	366	0
2019	365	136
2018	365	59
2017	365	0
2016	280	0
2015	365	0
2014	365	0
2013	365	0
2012	366	0
2011	365	65
2010	365	54
2009	365	120
2008	366	0
2007	365	0
2006	365	131
2005	365	0
2004	366	0
2003	365	141
2002	365	98
2001	365	0
2000	366	0
1999	365	44
1998	365	0
1997	365	0
1996	366	110
1995	365	0
1994	365	0
1993	365	0
1992	366	0
1991	365	0
1990	365	0
1989	365	0
1988	366	0
1987	365	0
1986	365	0
1985	365	9
1984	366	0
1983	365	0
1982	365	0
1981	365	0
1980	366	0
1979	271	39
1978	365	89
1977	365	0
1976	366	123
1975	365	0
1974	365	0
1973	365	0
1972	366	0
1971	365	0
1970	365	0
1969	365	0
1968	366	0
1967	365	0
1966	365	0
1965	365	0
1964	366	0
1963	365	9
1962	365	1
1961	365	0
1960	366	21
1959	365	0
1957	365	0
1956	366	0
1955	365	0
1954	365	86
1953	365	0
1952	366	0
1951	365	3
1950	365	0
1949	365	0
1948	366	193
1947	365	127
1946	365	25
1945	365	0
1944	366	0
1943	365	0
1942	365	300
1941	365	365
1940	366	366
1939	365	89
1938	365	0
1937	365	146
1936	366	0
1935	365	0
1934	365	162
1933	365	212
1932	366	0
1931	365	0
1930	365	81
1929	365	0
1928	366	6
1927	365	0
1926	365	0
1925	365	0
1924	366	0
1923	365	8
1922	365	0
1921	365	69
1920	366	0
1919	365	0
1918	365	0
1917	365	0
1916	366	109
1915	365	62
1914	365	120
1913	365	6
1912	366	0
1911	365	13
1910	365	0
1909	178	0

How it compares

That is within the normal range for the date.

Records

Highest daily value in our series since 7 July 1909: 1.58 m on 30 June 1924.
Lowest daily value in our series since 7 July 1909: 0.19 m on 21 March 1942.

About this lake

Lake Iisvesi is a lake in North Savo, Finland.

It lies at 62.6661° N, 27.0475° E.

Its readings come from the Finnish Environment Institute (Syke).

Syke publishes its daily water levels before it has checked them: the newest values are provisional.

The newest value is provisional: the source may still correct it.

About these figures

The normal range for 26 October is 0.48 m to 0.96 m: the 10th to 90th percentile of the daily values from 19 October to 2 November in 116 years between 1909 and 2025.

Lake Iisvesi water level today

Is Lake Iisvesi within its normal range for the date?

Water level now

within the normal range for the date

Level history

How this compares

Same date in past years

Year by year

How it compares

Records

About this lake

About these figures

Keep exploring