Lake Isojärvi (Lapland) water level today

Is Lake Isojärvi (Lapland) within its normal range for the date?

Lake Isojärvi (Lapland) stood at 226.55 m above NN on 25 October 2026.

Last updated 25 October 2026. This page normally updates every day; the latest update is late.

NowHistoryThis dateBy year

Water level now

within the normal range for the date

226.55 m

25 October 2026Provisional

within the normal range for the date

The normal range for 25 October is 224.82 m to 226.73 m: the 10th to 90th percentile of the daily values from 18 October to 1 November in 59 years between 1960 and 2025.

Table: where the water stands

Level	Value
Newest reading	226.55 m, 25 October 2026
Normal range for the date	224.82 m to 226.73 m
Median for the date	226.12 m
Highest in our series	227.02 m

Past day: -0.01 m
Past week: +0.01 m

Heights are given above NN, an older Finnish height system.

Level history

within the normal range for the date

On 25 October 2026 Lake Isojärvi (Lapland) stood at 226.55 m above NN.

History last updated 25 October 2026. It normally updates every day; the latest update is late.

Three monthsOne yearTen yearsAll time

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

Level
Above the normal range
Normal range for the date
Median for the date
A year earlier
Our record

Daily values of Lake Isojärvi (Lapland) from 28 July 2026 to 25 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
28 July 2026	226.560 m	225.380 m to 226.620 m	226.100 m	226.630 m
29 July 2026	226.540 m	225.380 m to 226.620 m	226.100 m	226.560 m
30 July 2026	226.520 m	225.360 m to 226.620 m	226.090 m	226.520 m
31 July 2026	226.540 m	225.356 m to 226.620 m	226.080 m	226.500 m
1 August 2026	226.560 m	225.340 m to 226.620 m	226.060 m	226.460 m
2 August 2026	226.560 m	225.330 m to 226.620 m	226.050 m	226.360 m
3 August 2026	226.560 m	225.330 m to 226.620 m	226.050 m	226.260 m
4 August 2026	226.560 m	225.320 m to 226.624 m	226.020 m	226.220 m
5 August 2026	226.560 m	225.316 m to 226.630 m	226.010 m	226.220 m
6 August 2026	226.550 m	225.300 m to 226.630 m	226.000 m	226.250 m
7 August 2026	226.550 m	225.290 m to 226.630 m	225.990 m	226.270 m
8 August 2026	226.540 m	225.280 m to 226.630 m	225.980 m	226.280 m
9 August 2026	226.540 m	225.280 m to 226.634 m	225.960 m	226.250 m
10 August 2026	226.540 m	225.266 m to 226.640 m	225.960 m	226.230 m
11 August 2026	226.570 m	225.260 m to 226.640 m	225.940 m	226.240 m
12 August 2026	226.580 m	225.246 m to 226.640 m	225.920 m	226.260 m
13 August 2026	226.580 m	225.240 m to 226.644 m	225.900 m	226.280 m
14 August 2026	226.580 m	225.230 m to 226.644 m	225.890 m	226.290 m
15 August 2026	226.580 m	225.226 m to 226.650 m	225.880 m	226.310 m
16 August 2026	226.570 m	225.220 m to 226.654 m	225.880 m	226.300 m
17 August 2026	226.550 m	225.220 m to 226.660 m	225.880 m	226.250 m
18 August 2026	226.540 m	225.210 m to 226.674 m	225.870 m	226.250 m
19 August 2026	226.530 m	225.210 m to 226.680 m	225.860 m	226.240 m
20 August 2026	226.510 m	225.200 m to 226.680 m	225.850 m	226.250 m
21 August 2026	226.500 m	225.190 m to 226.680 m	225.850 m	226.280 m
22 August 2026	226.500 m	225.180 m to 226.680 m	225.840 m	226.300 m
23 August 2026	226.510 m	225.180 m to 226.680 m	225.840 m	226.320 m
24 August 2026	226.510 m	225.170 m to 226.680 m	225.840 m	226.330 m
25 August 2026	226.520 m	225.160 m to 226.674 m	225.840 m	226.310 m
26 August 2026	226.520 m	225.150 m to 226.670 m	225.840 m	226.290 m
27 August 2026	226.530 m	225.130 m to 226.650 m	225.840 m	226.320 m
28 August 2026	226.530 m	225.120 m to 226.640 m	225.840 m	226.340 m
29 August 2026	226.520 m	225.100 m to 226.640 m	225.840 m	226.370 m
30 August 2026	226.520 m	225.080 m to 226.630 m	225.840 m	226.330 m
31 August 2026	226.520 m	225.070 m to 226.620 m	225.830 m	226.280 m
1 September 2026	226.520 m	225.050 m to 226.614 m	225.820 m	226.300 m
2 September 2026	226.530 m	225.032 m to 226.610 m	225.810 m	226.300 m
3 September 2026	226.540 m	225.016 m to 226.588 m	225.800 m	226.240 m
4 September 2026	226.540 m	225.000 m to 226.570 m	225.800 m	226.180 m
5 September 2026	226.550 m	224.978 m to 226.572 m	225.810 m	226.180 m
6 September 2026	226.550 m	224.950 m to 226.570 m	225.800 m	226.210 m
7 September 2026	226.540 m	224.930 m to 226.560 m	225.790 m	226.160 m
8 September 2026	226.530 m	224.910 m to 226.560 m	225.780 m	226.150 m
9 September 2026	226.540 m	224.890 m to 226.550 m	225.760 m	226.200 m
10 September 2026	226.560 m	224.850 m to 226.550 m	225.745 m	226.230 m
11 September 2026	226.560 m	224.820 m to 226.550 m	225.690 m	226.190 m
12 September 2026	226.560 m	224.771 m to 226.559 m	225.660 m	226.080 m
13 September 2026	226.540 m	224.741 m to 226.560 m	225.650 m	225.980 m
14 September 2026	226.530 m	224.720 m to 226.570 m	225.650 m	225.930 m
15 September 2026	226.520 m	224.720 m to 226.580 m	225.640 m	225.900 m
16 September 2026	226.520 m	224.720 m to 226.599 m	225.630 m	225.860 m
17 September 2026	226.530 m	224.710 m to 226.600 m	225.640 m	225.850 m
18 September 2026	226.540 m	224.710 m to 226.610 m	225.650 m	225.870 m
19 September 2026	226.550 m	224.700 m to 226.620 m	225.650 m	225.900 m
20 September 2026	226.570 m	224.690 m to 226.630 m	225.670 m	225.880 m
21 September 2026	226.600 m	224.681 m to 226.640 m	225.690 m	225.900 m
22 September 2026	226.600 m	224.680 m to 226.640 m	225.700 m	225.880 m
23 September 2026	226.590 m	224.660 m to 226.640 m	225.720 m	225.860 m
24 September 2026	226.580 m	224.650 m to 226.640 m	225.750 m	225.820 m
25 September 2026	226.570 m	224.649 m to 226.640 m	225.760 m	225.840 m
26 September 2026	226.580 m	224.638 m to 226.640 m	225.780 m	225.840 m
27 September 2026	226.570 m	224.626 m to 226.640 m	225.780 m	225.870 m
28 September 2026	226.560 m	224.616 m to 226.644 m	225.810 m	225.850 m
29 September 2026	226.560 m	224.610 m to 226.650 m	225.820 m	225.850 m
30 September 2026	226.550 m	224.610 m to 226.650 m	225.840 m	225.870 m
1 October 2026	226.540 m	224.610 m to 226.640 m	225.850 m	225.890 m
2 October 2026	226.530 m	224.632 m to 226.630 m	225.870 m	225.900 m
3 October 2026	226.530 m	224.646 m to 226.620 m	225.900 m	225.900 m
4 October 2026	226.530 m	224.660 m to 226.614 m	225.900 m	225.870 m
5 October 2026	226.530 m	224.670 m to 226.610 m	225.940 m	225.820 m
6 October 2026	226.540 m	224.680 m to 226.600 m	225.950 m	225.800 m
7 October 2026	226.540 m	224.690 m to 226.600 m	225.960 m	225.800 m
8 October 2026	226.550 m	224.720 m to 226.610 m	225.970 m	225.820 m
9 October 2026	226.560 m	224.730 m to 226.620 m	226.000 m	225.870 m
10 October 2026	226.560 m	224.752 m to 226.630 m	226.010 m	225.900 m
11 October 2026	226.560 m	224.766 m to 226.650 m	226.030 m	225.890 m
12 October 2026	226.550 m	224.800 m to 226.660 m	226.040 m	225.860 m
13 October 2026	226.540 m	224.800 m to 226.660 m	226.060 m	225.880 m
14 October 2026	226.520 m	224.800 m to 226.680 m	226.080 m	225.970 m
15 October 2026	226.510 m	224.810 m to 226.684 m	226.080 m	226.060 m
16 October 2026	226.520 m	224.820 m to 226.690 m	226.090 m	226.090 m
17 October 2026	226.530 m	224.820 m to 226.690 m	226.090 m	226.160 m
18 October 2026	226.540 m	224.820 m to 226.695 m	226.090 m	226.260 m
19 October 2026	226.550 m	224.825 m to 226.700 m	226.100 m	226.290 m
20 October 2026	226.560 m	224.820 m to 226.710 m	226.105 m	226.350 m
21 October 2026	226.570 m	224.820 m to 226.720 m	226.115 m	226.400 m
22 October 2026	226.570 m	224.820 m to 226.720 m	226.120 m	226.360 m
23 October 2026	226.560 m	224.820 m to 226.720 m	226.120 m	226.310 m
24 October 2026	226.560 m	224.825 m to 226.725 m	226.120 m	226.300 m
25 October 2026	226.550 m	224.820 m to 226.730 m	226.120 m	no value

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

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

Daily values of Lake Isojärvi (Lapland) from 25 October 2025 to 25 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
25 October 2025	no value	224.820 m to 226.730 m	226.120 m
26 October 2025	226.220 m	224.823 m to 226.737 m	226.120 m
27 October 2025	226.150 m	224.830 m to 226.740 m	226.120 m
28 October 2025	226.150 m	224.830 m to 226.740 m	226.120 m
29 October 2025	226.220 m	224.823 m to 226.750 m	226.130 m
30 October 2025	226.290 m	224.823 m to 226.757 m	226.140 m
31 October 2025	226.330 m	224.830 m to 226.760 m	226.145 m
1 November 2025	226.360 m	224.830 m to 226.760 m	226.145 m
2 November 2025	226.320 m	224.833 m to 226.760 m	226.150 m
3 November 2025	226.320 m	224.840 m to 226.760 m	226.150 m
4 November 2025	226.290 m	224.840 m to 226.760 m	226.135 m
5 November 2025	226.240 m	224.840 m to 226.760 m	226.120 m
6 November 2025	226.240 m	224.840 m to 226.757 m	226.120 m
7 November 2025	226.270 m	224.840 m to 226.750 m	226.120 m
8 November 2025	226.280 m	224.840 m to 226.750 m	226.120 m
9 November 2025	no value	224.834 m to 226.740 m	226.120 m
10 November 2025	226.340 m	224.805 m to 226.730 m	226.120 m
11 November 2025	226.370 m	224.800 m to 226.720 m	226.100 m
12 November 2025	226.380 m	224.795 m to 226.710 m	226.085 m
13 November 2025	226.360 m	224.800 m to 226.695 m	226.050 m
14 November 2025	226.340 m	224.800 m to 226.690 m	226.035 m
15 November 2025	226.300 m	224.795 m to 226.690 m	226.020 m
16 November 2025	226.270 m	224.790 m to 226.690 m	226.020 m
17 November 2025	226.290 m	224.790 m to 226.684 m	226.010 m
18 November 2025	226.340 m	224.796 m to 226.680 m	226.010 m
19 November 2025	226.370 m	224.800 m to 226.680 m	226.000 m
20 November 2025	226.380 m	224.800 m to 226.674 m	226.000 m
21 November 2025	226.420 m	224.800 m to 226.670 m	226.000 m
22 November 2025	226.390 m	224.800 m to 226.670 m	225.990 m
23 November 2025	226.370 m	224.800 m to 226.664 m	225.980 m
24 November 2025	226.400 m	224.790 m to 226.660 m	225.970 m
25 November 2025	226.420 m	224.790 m to 226.660 m	225.960 m
26 November 2025	226.430 m	224.760 m to 226.660 m	225.950 m
27 November 2025	226.380 m	224.740 m to 226.660 m	225.940 m
28 November 2025	226.300 m	224.700 m to 226.650 m	225.900 m
29 November 2025	226.220 m	224.690 m to 226.634 m	225.890 m
30 November 2025	226.150 m	224.680 m to 226.630 m	225.850 m
1 December 2025	226.120 m	224.640 m to 226.630 m	225.830 m
2 December 2025	226.100 m	224.600 m to 226.630 m	225.800 m
3 December 2025	226.060 m	224.590 m to 226.630 m	225.760 m
4 December 2025	226.090 m	224.566 m to 226.630 m	225.720 m
5 December 2025	226.140 m	224.556 m to 226.630 m	225.690 m
6 December 2025	226.160 m	224.540 m to 226.630 m	225.660 m
7 December 2025	226.120 m	224.520 m to 226.620 m	225.640 m
8 December 2025	226.110 m	224.506 m to 226.600 m	225.600 m
9 December 2025	226.150 m	224.480 m to 226.600 m	225.580 m
10 December 2025	226.180 m	224.460 m to 226.564 m	225.540 m
11 December 2025	226.180 m	224.440 m to 226.560 m	225.510 m
12 December 2025	226.200 m	224.430 m to 226.540 m	225.480 m
13 December 2025	226.230 m	224.425 m to 226.520 m	225.450 m
14 December 2025	226.180 m	224.410 m to 226.476 m	225.430 m
15 December 2025	226.120 m	224.393 m to 226.450 m	225.400 m
16 December 2025	226.090 m	224.380 m to 226.440 m	225.365 m
17 December 2025	226.070 m	224.370 m to 226.420 m	225.350 m
18 December 2025	226.030 m	224.370 m to 226.400 m	225.330 m
19 December 2025	225.960 m	224.370 m to 226.389 m	225.315 m
20 December 2025	225.880 m	224.361 m to 226.369 m	225.275 m
21 December 2025	225.840 m	224.360 m to 226.340 m	225.230 m
22 December 2025	225.840 m	224.360 m to 226.320 m	225.200 m
23 December 2025	225.860 m	224.360 m to 226.290 m	225.170 m
24 December 2025	225.880 m	224.360 m to 226.260 m	225.140 m
25 December 2025	225.830 m	224.345 m to 226.225 m	225.100 m
26 December 2025	225.820 m	224.345 m to 226.190 m	225.075 m
27 December 2025	225.800 m	224.340 m to 226.145 m	225.050 m
28 December 2025	225.750 m	224.340 m to 226.120 m	225.030 m
29 December 2025	225.660 m	224.340 m to 226.090 m	225.000 m
30 December 2025	225.580 m	224.320 m to 226.060 m	224.980 m
31 December 2025	225.560 m	224.300 m to 226.040 m	224.960 m
1 January 2026	225.500 m	224.295 m to 226.010 m	224.930 m
2 January 2026	225.400 m	224.290 m to 225.985 m	224.910 m
3 January 2026	225.310 m	224.290 m to 225.955 m	224.895 m
4 January 2026	225.250 m	224.290 m to 225.930 m	224.880 m
5 January 2026	225.250 m	224.300 m to 225.910 m	224.860 m
6 January 2026	225.230 m	224.301 m to 225.889 m	224.850 m
7 January 2026	225.220 m	224.304 m to 225.856 m	224.840 m
8 January 2026	225.210 m	224.306 m to 225.830 m	224.820 m
9 January 2026	225.220 m	224.310 m to 225.810 m	224.810 m
10 January 2026	225.250 m	224.310 m to 225.784 m	224.800 m
11 January 2026	225.290 m	224.310 m to 225.760 m	224.790 m
12 January 2026	225.320 m	224.320 m to 225.734 m	224.780 m
13 January 2026	225.350 m	224.330 m to 225.720 m	224.770 m
14 January 2026	225.380 m	224.340 m to 225.694 m	224.770 m
15 January 2026	225.410 m	224.346 m to 225.674 m	224.770 m
16 January 2026	225.440 m	224.356 m to 225.650 m	224.770 m
17 January 2026	225.480 m	224.366 m to 225.630 m	224.770 m
18 January 2026	225.510 m	224.370 m to 225.620 m	224.770 m
19 January 2026	225.540 m	224.386 m to 225.604 m	224.780 m
20 January 2026	225.570 m	224.400 m to 225.590 m	224.780 m
21 January 2026	225.600 m	224.410 m to 225.584 m	224.800 m
22 January 2026	225.620 m	224.430 m to 225.580 m	224.800 m
23 January 2026	225.650 m	224.450 m to 225.584 m	224.820 m
24 January 2026	225.680 m	224.460 m to 225.590 m	224.840 m
25 January 2026	225.710 m	224.476 m to 225.590 m	224.870 m
26 January 2026	225.740 m	224.480 m to 225.594 m	224.880 m
27 January 2026	225.760 m	224.486 m to 225.600 m	224.900 m
28 January 2026	225.790 m	224.490 m to 225.600 m	224.920 m
29 January 2026	225.810 m	224.510 m to 225.600 m	224.920 m
30 January 2026	225.840 m	224.520 m to 225.600 m	224.940 m
31 January 2026	225.860 m	224.536 m to 225.614 m	224.960 m
1 February 2026	225.880 m	224.546 m to 225.620 m	224.970 m
2 February 2026	225.910 m	224.560 m to 225.624 m	224.980 m
3 February 2026	225.930 m	224.560 m to 225.630 m	224.990 m
4 February 2026	225.950 m	224.560 m to 225.640 m	225.010 m
5 February 2026	225.970 m	224.580 m to 225.640 m	225.020 m
6 February 2026	225.990 m	224.600 m to 225.654 m	225.030 m
7 February 2026	226.010 m	224.600 m to 225.660 m	225.040 m
8 February 2026	226.030 m	224.626 m to 225.670 m	225.060 m
9 February 2026	226.050 m	224.630 m to 225.690 m	225.070 m
10 February 2026	226.070 m	224.640 m to 225.704 m	225.080 m
11 February 2026	226.090 m	224.640 m to 225.720 m	225.090 m
12 February 2026	226.110 m	224.646 m to 225.734 m	225.100 m
13 February 2026	226.130 m	224.650 m to 225.754 m	225.120 m
14 February 2026	226.150 m	224.666 m to 225.760 m	225.130 m
15 February 2026	226.170 m	224.676 m to 225.780 m	225.140 m
16 February 2026	226.180 m	224.680 m to 225.800 m	225.150 m
17 February 2026	226.200 m	224.686 m to 225.820 m	225.160 m
18 February 2026	226.220 m	224.686 m to 225.840 m	225.180 m
19 February 2026	226.240 m	224.690 m to 225.850 m	225.190 m
20 February 2026	226.250 m	224.690 m to 225.870 m	225.200 m
21 February 2026	226.220 m	224.700 m to 225.890 m	225.220 m
22 February 2026	226.200 m	224.710 m to 225.910 m	225.240 m
23 February 2026	226.170 m	224.710 m to 225.930 m	225.250 m
24 February 2026	226.140 m	224.716 m to 225.940 m	225.260 m
25 February 2026	226.120 m	224.720 m to 225.960 m	225.280 m
26 February 2026	226.090 m	224.720 m to 225.980 m	225.290 m
27 February 2026	226.060 m	224.720 m to 225.994 m	225.310 m
28 February 2026	226.040 m	224.720 m to 226.010 m	225.320 m
1 March 2026	226.010 m	224.726 m to 226.020 m	225.340 m
2 March 2026	225.980 m	224.726 m to 226.024 m	225.350 m
3 March 2026	225.960 m	224.726 m to 226.040 m	225.370 m
4 March 2026	225.940 m	224.730 m to 226.040 m	225.380 m
5 March 2026	225.910 m	224.736 m to 226.044 m	225.400 m
6 March 2026	225.860 m	224.740 m to 226.050 m	225.410 m
7 March 2026	225.780 m	224.750 m to 226.050 m	225.420 m
8 March 2026	225.700 m	224.756 m to 226.050 m	225.420 m
9 March 2026	225.630 m	224.760 m to 226.050 m	225.420 m
10 March 2026	225.580 m	224.770 m to 226.044 m	225.420 m
11 March 2026	225.560 m	224.780 m to 226.040 m	225.420 m
12 March 2026	225.480 m	224.796 m to 226.040 m	225.420 m
13 March 2026	225.390 m	224.800 m to 226.020 m	225.410 m
14 March 2026	225.300 m	224.820 m to 226.014 m	225.400 m
15 March 2026	225.230 m	224.836 m to 226.004 m	225.390 m
16 March 2026	225.160 m	224.840 m to 225.990 m	225.380 m
17 March 2026	225.090 m	224.840 m to 225.980 m	225.370 m
18 March 2026	224.960 m	224.810 m to 225.960 m	225.350 m
19 March 2026	224.880 m	224.800 m to 225.940 m	225.330 m
20 March 2026	224.860 m	224.786 m to 225.924 m	225.310 m
21 March 2026	224.760 m	224.780 m to 225.910 m	225.280 m
22 March 2026	224.640 m	224.770 m to 225.880 m	225.260 m
23 March 2026	224.560 m	224.760 m to 225.860 m	225.240 m
24 March 2026	224.490 m	224.740 m to 225.850 m	225.220 m
25 March 2026	224.400 m	224.720 m to 225.820 m	225.200 m
26 March 2026	224.330 m	224.683 m to 225.797 m	225.190 m
27 March 2026	224.290 m	224.660 m to 225.777 m	225.160 m
28 March 2026	224.230 m	224.610 m to 225.747 m	225.135 m
29 March 2026	224.170 m	224.573 m to 225.717 m	225.100 m
30 March 2026	224.120 m	224.540 m to 225.674 m	225.080 m
31 March 2026	224.170 m	224.500 m to 225.630 m	225.050 m
1 April 2026	224.120 m	224.440 m to 225.600 m	225.010 m
2 April 2026	224.170 m	224.390 m to 225.570 m	224.980 m
3 April 2026	224.210 m	224.320 m to 225.540 m	224.940 m
4 April 2026	224.200 m	224.253 m to 225.500 m	224.900 m
5 April 2026	224.200 m	224.216 m to 225.470 m	224.880 m
6 April 2026	224.170 m	224.180 m to 225.430 m	224.840 m
7 April 2026	224.120 m	224.160 m to 225.390 m	224.780 m
8 April 2026	224.170 m	224.141 m to 225.360 m	224.740 m
9 April 2026	224.230 m	224.140 m to 225.319 m	224.690 m
10 April 2026	224.260 m	224.130 m to 225.289 m	224.650 m
11 April 2026	224.250 m	224.110 m to 225.260 m	224.600 m
12 April 2026	224.190 m	224.101 m to 225.240 m	224.560 m
13 April 2026	224.240 m	224.100 m to 225.210 m	224.520 m
14 April 2026	224.210 m	224.090 m to 225.180 m	224.470 m
15 April 2026	224.280 m	224.080 m to 225.140 m	224.420 m
16 April 2026	224.420 m	224.080 m to 225.100 m	224.400 m
17 April 2026	224.530 m	224.080 m to 225.040 m	224.370 m
18 April 2026	224.530 m	224.070 m to 224.990 m	224.330 m
19 April 2026	224.560 m	224.070 m to 224.930 m	224.320 m
20 April 2026	224.720 m	224.060 m to 224.880 m	224.310 m
21 April 2026	224.830 m	224.060 m to 224.850 m	224.300 m
22 April 2026	224.850 m	224.060 m to 224.820 m	224.290 m
23 April 2026	224.870 m	224.060 m to 224.789 m	224.285 m
24 April 2026	224.900 m	224.060 m to 224.780 m	224.280 m
25 April 2026	224.940 m	224.060 m to 224.780 m	224.280 m
26 April 2026	224.950 m	224.060 m to 224.789 m	224.280 m
27 April 2026	224.950 m	224.060 m to 224.818 m	224.280 m
28 April 2026	224.960 m	224.060 m to 224.850 m	224.290 m
29 April 2026	225.100 m	224.060 m to 224.969 m	224.300 m
30 April 2026	225.150 m	224.060 m to 225.090 m	224.310 m
1 May 2026	225.110 m	224.060 m to 225.229 m	224.320 m
2 May 2026	225.090 m	224.060 m to 225.400 m	224.325 m
3 May 2026	225.100 m	224.060 m to 225.530 m	224.340 m
4 May 2026	225.170 m	224.070 m to 225.699 m	224.360 m
5 May 2026	225.170 m	224.070 m to 225.930 m	224.370 m
6 May 2026	225.230 m	224.080 m to 226.180 m	224.395 m
7 May 2026	225.350 m	224.080 m to 226.409 m	224.430 m
8 May 2026	225.430 m	224.080 m to 226.530 m	224.520 m
9 May 2026	225.410 m	224.080 m to 226.649 m	224.620 m
10 May 2026	225.390 m	224.090 m to 226.719 m	224.765 m
11 May 2026	225.380 m	224.091 m to 226.760 m	224.960 m
12 May 2026	225.480 m	224.100 m to 226.820 m	225.190 m
13 May 2026	225.600 m	224.110 m to 226.840 m	225.390 m
14 May 2026	225.640 m	224.120 m to 226.860 m	225.610 m
15 May 2026	225.720 m	224.130 m to 226.880 m	225.855 m
16 May 2026	225.830 m	224.160 m to 226.900 m	226.130 m
17 May 2026	225.930 m	224.220 m to 226.910 m	226.370 m
18 May 2026	226.100 m	224.300 m to 226.920 m	226.520 m
19 May 2026	226.260 m	224.402 m to 226.930 m	226.620 m
20 May 2026	226.320 m	224.543 m to 226.940 m	226.700 m
21 May 2026	226.390 m	224.792 m to 226.940 m	226.740 m
22 May 2026	226.500 m	225.021 m to 226.950 m	226.780 m
23 May 2026	226.550 m	225.331 m to 226.950 m	226.800 m
24 May 2026	226.560 m	225.542 m to 226.950 m	226.810 m
25 May 2026	226.580 m	225.760 m to 226.950 m	226.825 m
26 May 2026	226.590 m	225.860 m to 226.960 m	226.840 m
27 May 2026	226.600 m	226.051 m to 226.960 m	226.840 m
28 May 2026	226.610 m	226.151 m to 226.960 m	226.850 m
29 May 2026	226.620 m	226.220 m to 226.960 m	226.850 m
30 May 2026	226.640 m	226.242 m to 226.960 m	226.860 m
31 May 2026	226.650 m	226.291 m to 226.960 m	226.850 m
1 June 2026	226.680 m	226.321 m to 226.960 m	226.850 m
2 June 2026	226.720 m	226.340 m to 226.960 m	226.840 m
3 June 2026	226.730 m	226.360 m to 226.960 m	226.830 m
4 June 2026	226.730 m	226.342 m to 226.960 m	226.820 m
5 June 2026	226.700 m	226.331 m to 226.960 m	226.800 m
6 June 2026	226.680 m	226.300 m to 226.960 m	226.790 m
7 June 2026	226.640 m	226.280 m to 226.950 m	226.780 m
8 June 2026	226.680 m	226.242 m to 226.950 m	226.770 m
9 June 2026	226.760 m	226.220 m to 226.940 m	226.750 m
10 June 2026	226.760 m	226.191 m to 226.940 m	226.730 m
11 June 2026	226.740 m	226.170 m to 226.930 m	226.710 m
12 June 2026	226.720 m	226.122 m to 226.930 m	226.700 m
13 June 2026	226.700 m	226.091 m to 226.920 m	226.680 m
14 June 2026	226.700 m	226.051 m to 226.920 m	226.650 m
15 June 2026	226.720 m	226.021 m to 226.910 m	226.640 m
16 June 2026	226.740 m	225.980 m to 226.910 m	226.620 m
17 June 2026	226.760 m	225.912 m to 226.900 m	226.600 m
18 June 2026	226.740 m	225.861 m to 226.890 m	226.590 m
19 June 2026	226.720 m	225.840 m to 226.880 m	226.570 m
20 June 2026	226.710 m	225.820 m to 226.870 m	226.550 m
21 June 2026	226.720 m	225.781 m to 226.860 m	226.540 m
22 June 2026	226.710 m	225.740 m to 226.850 m	226.520 m
23 June 2026	226.710 m	225.700 m to 226.850 m	226.510 m
24 June 2026	226.700 m	225.660 m to 226.840 m	226.490 m
25 June 2026	226.690 m	225.640 m to 226.840 m	226.470 m
26 June 2026	226.680 m	225.600 m to 226.830 m	226.450 m
27 June 2026	226.660 m	225.570 m to 226.820 m	226.430 m
28 June 2026	226.660 m	225.560 m to 226.820 m	226.400 m
29 June 2026	226.640 m	225.550 m to 226.810 m	226.380 m
30 June 2026	226.630 m	225.520 m to 226.810 m	226.340 m
1 July 2026	226.630 m	225.490 m to 226.810 m	226.310 m
2 July 2026	226.610 m	225.490 m to 226.800 m	226.290 m
3 July 2026	226.600 m	225.480 m to 226.780 m	226.270 m
4 July 2026	226.580 m	225.480 m to 226.780 m	226.250 m
5 July 2026	226.560 m	225.470 m to 226.770 m	226.240 m
6 July 2026	226.550 m	225.460 m to 226.770 m	226.230 m
7 July 2026	226.570 m	225.460 m to 226.769 m	226.230 m
8 July 2026	226.580 m	225.460 m to 226.760 m	226.220 m
9 July 2026	226.610 m	225.450 m to 226.760 m	226.210 m
10 July 2026	226.600 m	225.450 m to 226.750 m	226.200 m
11 July 2026	226.600 m	225.440 m to 226.740 m	226.200 m
12 July 2026	226.600 m	225.440 m to 226.740 m	226.195 m
13 July 2026	226.580 m	225.440 m to 226.740 m	226.190 m
14 July 2026	226.560 m	225.440 m to 226.739 m	226.180 m
15 July 2026	226.530 m	225.440 m to 226.730 m	226.175 m
16 July 2026	226.520 m	225.440 m to 226.710 m	226.160 m
17 July 2026	226.520 m	225.440 m to 226.700 m	226.150 m
18 July 2026	226.510 m	225.440 m to 226.690 m	226.150 m
19 July 2026	226.500 m	225.440 m to 226.680 m	226.150 m
20 July 2026	226.500 m	225.440 m to 226.680 m	226.140 m
21 July 2026	226.500 m	225.440 m to 226.670 m	226.140 m
22 July 2026	226.510 m	225.440 m to 226.660 m	226.135 m
23 July 2026	226.520 m	225.440 m to 226.650 m	226.130 m
24 July 2026	226.520 m	225.420 m to 226.640 m	226.125 m
25 July 2026	226.520 m	225.410 m to 226.630 m	226.120 m
26 July 2026	226.510 m	225.400 m to 226.621 m	226.120 m
27 July 2026	226.530 m	225.390 m to 226.620 m	226.110 m
28 July 2026	226.560 m	225.380 m to 226.620 m	226.100 m
29 July 2026	226.540 m	225.380 m to 226.620 m	226.100 m
30 July 2026	226.520 m	225.360 m to 226.620 m	226.090 m
31 July 2026	226.540 m	225.356 m to 226.620 m	226.080 m
1 August 2026	226.560 m	225.340 m to 226.620 m	226.060 m
2 August 2026	226.560 m	225.330 m to 226.620 m	226.050 m
3 August 2026	226.560 m	225.330 m to 226.620 m	226.050 m
4 August 2026	226.560 m	225.320 m to 226.624 m	226.020 m
5 August 2026	226.560 m	225.316 m to 226.630 m	226.010 m
6 August 2026	226.550 m	225.300 m to 226.630 m	226.000 m
7 August 2026	226.550 m	225.290 m to 226.630 m	225.990 m
8 August 2026	226.540 m	225.280 m to 226.630 m	225.980 m
9 August 2026	226.540 m	225.280 m to 226.634 m	225.960 m
10 August 2026	226.540 m	225.266 m to 226.640 m	225.960 m
11 August 2026	226.570 m	225.260 m to 226.640 m	225.940 m
12 August 2026	226.580 m	225.246 m to 226.640 m	225.920 m
13 August 2026	226.580 m	225.240 m to 226.644 m	225.900 m
14 August 2026	226.580 m	225.230 m to 226.644 m	225.890 m
15 August 2026	226.580 m	225.226 m to 226.650 m	225.880 m
16 August 2026	226.570 m	225.220 m to 226.654 m	225.880 m
17 August 2026	226.550 m	225.220 m to 226.660 m	225.880 m
18 August 2026	226.540 m	225.210 m to 226.674 m	225.870 m
19 August 2026	226.530 m	225.210 m to 226.680 m	225.860 m
20 August 2026	226.510 m	225.200 m to 226.680 m	225.850 m
21 August 2026	226.500 m	225.190 m to 226.680 m	225.850 m
22 August 2026	226.500 m	225.180 m to 226.680 m	225.840 m
23 August 2026	226.510 m	225.180 m to 226.680 m	225.840 m
24 August 2026	226.510 m	225.170 m to 226.680 m	225.840 m
25 August 2026	226.520 m	225.160 m to 226.674 m	225.840 m
26 August 2026	226.520 m	225.150 m to 226.670 m	225.840 m
27 August 2026	226.530 m	225.130 m to 226.650 m	225.840 m
28 August 2026	226.530 m	225.120 m to 226.640 m	225.840 m
29 August 2026	226.520 m	225.100 m to 226.640 m	225.840 m
30 August 2026	226.520 m	225.080 m to 226.630 m	225.840 m
31 August 2026	226.520 m	225.070 m to 226.620 m	225.830 m
1 September 2026	226.520 m	225.050 m to 226.614 m	225.820 m
2 September 2026	226.530 m	225.032 m to 226.610 m	225.810 m
3 September 2026	226.540 m	225.016 m to 226.588 m	225.800 m
4 September 2026	226.540 m	225.000 m to 226.570 m	225.800 m
5 September 2026	226.550 m	224.978 m to 226.572 m	225.810 m
6 September 2026	226.550 m	224.950 m to 226.570 m	225.800 m
7 September 2026	226.540 m	224.930 m to 226.560 m	225.790 m
8 September 2026	226.530 m	224.910 m to 226.560 m	225.780 m
9 September 2026	226.540 m	224.890 m to 226.550 m	225.760 m
10 September 2026	226.560 m	224.850 m to 226.550 m	225.745 m
11 September 2026	226.560 m	224.820 m to 226.550 m	225.690 m
12 September 2026	226.560 m	224.771 m to 226.559 m	225.660 m
13 September 2026	226.540 m	224.741 m to 226.560 m	225.650 m
14 September 2026	226.530 m	224.720 m to 226.570 m	225.650 m
15 September 2026	226.520 m	224.720 m to 226.580 m	225.640 m
16 September 2026	226.520 m	224.720 m to 226.599 m	225.630 m
17 September 2026	226.530 m	224.710 m to 226.600 m	225.640 m
18 September 2026	226.540 m	224.710 m to 226.610 m	225.650 m
19 September 2026	226.550 m	224.700 m to 226.620 m	225.650 m
20 September 2026	226.570 m	224.690 m to 226.630 m	225.670 m
21 September 2026	226.600 m	224.681 m to 226.640 m	225.690 m
22 September 2026	226.600 m	224.680 m to 226.640 m	225.700 m
23 September 2026	226.590 m	224.660 m to 226.640 m	225.720 m
24 September 2026	226.580 m	224.650 m to 226.640 m	225.750 m
25 September 2026	226.570 m	224.649 m to 226.640 m	225.760 m
26 September 2026	226.580 m	224.638 m to 226.640 m	225.780 m
27 September 2026	226.570 m	224.626 m to 226.640 m	225.780 m
28 September 2026	226.560 m	224.616 m to 226.644 m	225.810 m
29 September 2026	226.560 m	224.610 m to 226.650 m	225.820 m
30 September 2026	226.550 m	224.610 m to 226.650 m	225.840 m
1 October 2026	226.540 m	224.610 m to 226.640 m	225.850 m
2 October 2026	226.530 m	224.632 m to 226.630 m	225.870 m
3 October 2026	226.530 m	224.646 m to 226.620 m	225.900 m
4 October 2026	226.530 m	224.660 m to 226.614 m	225.900 m
5 October 2026	226.530 m	224.670 m to 226.610 m	225.940 m
6 October 2026	226.540 m	224.680 m to 226.600 m	225.950 m
7 October 2026	226.540 m	224.690 m to 226.600 m	225.960 m
8 October 2026	226.550 m	224.720 m to 226.610 m	225.970 m
9 October 2026	226.560 m	224.730 m to 226.620 m	226.000 m
10 October 2026	226.560 m	224.752 m to 226.630 m	226.010 m
11 October 2026	226.560 m	224.766 m to 226.650 m	226.030 m
12 October 2026	226.550 m	224.800 m to 226.660 m	226.040 m
13 October 2026	226.540 m	224.800 m to 226.660 m	226.060 m
14 October 2026	226.520 m	224.800 m to 226.680 m	226.080 m
15 October 2026	226.510 m	224.810 m to 226.684 m	226.080 m
16 October 2026	226.520 m	224.820 m to 226.690 m	226.090 m
17 October 2026	226.530 m	224.820 m to 226.690 m	226.090 m
18 October 2026	226.540 m	224.820 m to 226.695 m	226.090 m
19 October 2026	226.550 m	224.825 m to 226.700 m	226.100 m
20 October 2026	226.560 m	224.820 m to 226.710 m	226.105 m
21 October 2026	226.570 m	224.820 m to 226.720 m	226.115 m
22 October 2026	226.570 m	224.820 m to 226.720 m	226.120 m
23 October 2026	226.560 m	224.820 m to 226.720 m	226.120 m
24 October 2026	226.560 m	224.825 m to 226.725 m	226.120 m
25 October 2026	226.550 m	224.820 m to 226.730 m	226.120 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of Lake Isojärvi (Lapland) from the week of 24 October 2016 to 25 October 2026.

Table: The last 10 years, weekly averages

Week starting	Weekly average (m)
24 October 2016	226.666 m
31 October 2016	226.660 m
7 November 2016	226.626 m
14 November 2016	226.549 m
21 November 2016	226.526 m
28 November 2016	226.641 m
5 December 2016	226.519 m
12 December 2016	226.397 m
19 December 2016	226.261 m
26 December 2016	226.136 m
2 January 2017	225.999 m
9 January 2017	225.850 m
16 January 2017	225.696 m
23 January 2017	225.507 m
30 January 2017	225.293 m
6 February 2017	225.250 m
13 February 2017	225.380 m
20 February 2017	225.510 m
27 February 2017	225.639 m
6 March 2017	225.761 m
13 March 2017	225.864 m
20 March 2017	225.700 m
27 March 2017	225.340 m
3 April 2017	224.964 m
10 April 2017	224.560 m
17 April 2017	224.137 m
24 April 2017	224.133 m
1 May 2017	224.104 m
8 May 2017	224.134 m
15 May 2017	224.117 m
22 May 2017	224.723 m
29 May 2017	226.347 m
5 June 2017	226.849 m
12 June 2017	226.899 m
19 June 2017	226.874 m
26 June 2017	226.854 m
3 July 2017	226.736 m
10 July 2017	226.773 m
17 July 2017	226.699 m
24 July 2017	226.520 m
31 July 2017	226.573 m
7 August 2017	226.639 m
14 August 2017	226.714 m
21 August 2017	226.709 m
28 August 2017	226.663 m
4 September 2017	226.541 m
11 September 2017	226.600 m
18 September 2017	226.761 m
25 September 2017	226.699 m
2 October 2017	226.507 m
9 October 2017	226.557 m
16 October 2017	226.710 m
23 October 2017	226.703 m
30 October 2017	226.619 m
6 November 2017	226.564 m
13 November 2017	226.651 m
20 November 2017	226.621 m
27 November 2017	226.500 m
4 December 2017	226.340 m
11 December 2017	226.044 m
18 December 2017	225.799 m
25 December 2017	225.753 m
1 January 2018	225.691 m
8 January 2018	225.627 m
15 January 2018	225.529 m
22 January 2018	225.421 m
29 January 2018	225.310 m
5 February 2018	225.149 m
12 February 2018	224.970 m
19 February 2018	224.770 m
26 February 2018	224.551 m
5 March 2018	224.406 m
12 March 2018	224.530 m
19 March 2018	224.666 m
26 March 2018	224.731 m
2 April 2018	224.517 m
9 April 2018	224.281 m
16 April 2018	224.116 m
23 April 2018	224.196 m
30 April 2018	224.240 m
7 May 2018	225.260 m
14 May 2018	226.689 m
21 May 2018	226.867 m
28 May 2018	226.607 m
4 June 2018	226.610 m
11 June 2018	226.696 m
18 June 2018	226.626 m
25 June 2018	226.503 m
2 July 2018	226.319 m
9 July 2018	226.247 m
16 July 2018	226.170 m
23 July 2018	226.137 m
30 July 2018	226.111 m
6 August 2018	226.137 m
13 August 2018	226.136 m
20 August 2018	226.003 m
27 August 2018	226.093 m
3 September 2018	226.040 m
10 September 2018	225.930 m
17 September 2018	226.159 m
24 September 2018	226.331 m
1 October 2018	226.480 m
8 October 2018	226.520 m
15 October 2018	226.481 m
22 October 2018	226.569 m
29 October 2018	226.711 m
5 November 2018	226.613 m
12 November 2018	226.659 m
19 November 2018	226.726 m
26 November 2018	226.767 m
3 December 2018	226.724 m
10 December 2018	226.640 m
17 December 2018	226.544 m
24 December 2018	226.360 m
31 December 2018	226.071 m
7 January 2019	225.850 m
14 January 2019	225.704 m
21 January 2019	225.536 m
28 January 2019	225.346 m
4 February 2019	225.266 m
11 February 2019	225.400 m
18 February 2019	225.536 m
25 February 2019	225.667 m
4 March 2019	225.649 m
11 March 2019	225.456 m
18 March 2019	225.240 m
25 March 2019	224.944 m
1 April 2019	224.680 m
8 April 2019	224.481 m
15 April 2019	224.247 m
22 April 2019	224.149 m
29 April 2019	224.823 m
6 May 2019	225.570 m
13 May 2019	226.581 m
20 May 2019	226.853 m
27 May 2019	226.894 m
3 June 2019	226.903 m
10 June 2019	226.870 m
17 June 2019	226.707 m
24 June 2019	226.617 m
1 July 2019	226.650 m
8 July 2019	226.709 m
15 July 2019	226.656 m
22 July 2019	226.533 m
29 July 2019	226.411 m
5 August 2019	226.321 m
12 August 2019	226.313 m
19 August 2019	226.259 m
26 August 2019	226.309 m
2 September 2019	226.443 m
9 September 2019	226.314 m
16 September 2019	226.301 m
23 September 2019	226.376 m
30 September 2019	226.383 m
7 October 2019	226.323 m
14 October 2019	226.291 m
21 October 2019	226.380 m
28 October 2019	226.864 m
4 November 2019	226.829 m
11 November 2019	226.664 m
18 November 2019	226.483 m
25 November 2019	226.393 m
2 December 2019	226.401 m
9 December 2019	226.216 m
16 December 2019	225.959 m
23 December 2019	225.497 m
30 December 2019	224.941 m
6 January 2020	224.347 m
13 January 2020	224.311 m
20 January 2020	224.661 m
27 January 2020	224.964 m
3 February 2020	225.224 m
10 February 2020	225.480 m
17 February 2020	225.767 m
24 February 2020	226.007 m
2 March 2020	226.036 m
9 March 2020	225.784 m
16 March 2020	225.467 m
23 March 2020	224.999 m
30 March 2020	224.634 m
6 April 2020	224.451 m
13 April 2020	224.256 m
20 April 2020	224.043 m
27 April 2020	224.086 m
4 May 2020	224.130 m
11 May 2020	224.376 m
18 May 2020	225.171 m
25 May 2020	226.397 m
1 June 2020	226.700 m
8 June 2020	226.861 m
15 June 2020	226.831 m
22 June 2020	226.770 m
29 June 2020	226.796 m
6 July 2020	226.606 m
13 July 2020	226.547 m
20 July 2020	226.563 m
27 July 2020	226.416 m
3 August 2020	226.361 m
10 August 2020	226.253 m
17 August 2020	226.223 m
24 August 2020	226.224 m
31 August 2020	226.191 m
7 September 2020	226.174 m
14 September 2020	226.116 m
21 September 2020	226.117 m
28 September 2020	226.233 m
5 October 2020	226.256 m
12 October 2020	226.344 m
19 October 2020	226.349 m
26 October 2020	226.364 m
2 November 2020	226.814 m
9 November 2020	226.906 m
16 November 2020	226.836 m
23 November 2020	226.863 m
30 November 2020	226.846 m
7 December 2020	226.814 m
14 December 2020	226.657 m
21 December 2020	226.457 m
28 December 2020	225.990 m
4 January 2021	225.547 m
11 January 2021	225.256 m
18 January 2021	225.169 m
25 January 2021	225.250 m
1 February 2021	225.476 m
8 February 2021	225.669 m
15 February 2021	225.850 m
22 February 2021	226.007 m
1 March 2021	226.150 m
8 March 2021	226.014 m
15 March 2021	225.477 m
22 March 2021	225.220 m
29 March 2021	225.371 m
5 April 2021	225.540 m
12 April 2021	225.587 m
19 April 2021	225.489 m
26 April 2021	225.534 m
3 May 2021	225.490 m
10 May 2021	224.736 m
17 May 2021	225.690 m
24 May 2021	226.349 m
31 May 2021	226.511 m
7 June 2021	226.517 m
14 June 2021	226.749 m
21 June 2021	226.689 m
28 June 2021	226.606 m
5 July 2021	226.610 m
12 July 2021	226.603 m
19 July 2021	226.614 m
26 July 2021	226.630 m
2 August 2021	226.639 m
9 August 2021	226.614 m
16 August 2021	226.586 m
23 August 2021	226.581 m
30 August 2021	226.534 m
6 September 2021	226.334 m
13 September 2021	226.311 m
20 September 2021	226.544 m
27 September 2021	226.483 m
4 October 2021	226.466 m
11 October 2021	226.563 m
18 October 2021	226.754 m
25 October 2021	226.789 m
1 November 2021	226.827 m
8 November 2021	226.811 m
15 November 2021	226.693 m
22 November 2021	226.623 m
29 November 2021	226.610 m
6 December 2021	226.544 m
13 December 2021	226.349 m
20 December 2021	226.043 m
27 December 2021	225.931 m
3 January 2022	225.836 m
10 January 2022	225.629 m
17 January 2022	225.371 m
24 January 2022	225.094 m
31 January 2022	224.869 m
7 February 2022	225.021 m
14 February 2022	225.191 m
21 February 2022	225.367 m
28 February 2022	225.527 m
7 March 2022	225.680 m
14 March 2022	225.764 m
21 March 2022	225.369 m
28 March 2022	224.880 m
4 April 2022	224.499 m
11 April 2022	224.171 m
18 April 2022	224.161 m
25 April 2022	224.680 m
2 May 2022	225.216 m
9 May 2022	225.779 m
16 May 2022	226.681 m
23 May 2022	226.770 m
30 May 2022	226.797 m
6 June 2022	226.780 m
13 June 2022	226.647 m
20 June 2022	226.509 m
27 June 2022	226.281 m
4 July 2022	226.197 m
11 July 2022	226.293 m
18 July 2022	226.250 m
25 July 2022	226.170 m
1 August 2022	226.099 m
8 August 2022	226.360 m
15 August 2022	226.627 m
22 August 2022	226.581 m
29 August 2022	226.530 m
5 September 2022	226.286 m
12 September 2022	225.806 m
19 September 2022	225.513 m
26 September 2022	225.564 m
3 October 2022	225.494 m
10 October 2022	225.143 m
17 October 2022	225.201 m
24 October 2022	225.284 m
31 October 2022	225.347 m
7 November 2022	225.326 m
14 November 2022	225.293 m
21 November 2022	225.310 m
28 November 2022	225.231 m
5 December 2022	225.080 m
12 December 2022	224.931 m
19 December 2022	224.579 m
26 December 2022	224.281 m
2 January 2023	224.481 m
9 January 2023	224.657 m
16 January 2023	224.844 m
23 January 2023	225.024 m
30 January 2023	225.206 m
6 February 2023	225.274 m
13 February 2023	225.120 m
20 February 2023	224.946 m
27 February 2023	224.710 m
6 March 2023	224.641 m
13 March 2023	224.793 m
20 March 2023	224.939 m
27 March 2023	225.047 m
3 April 2023	224.884 m
10 April 2023	224.391 m
17 April 2023	224.204 m
24 April 2023	224.171 m
1 May 2023	224.329 m
8 May 2023	224.736 m
15 May 2023	226.424 m
22 May 2023	226.781 m
29 May 2023	226.687 m
5 June 2023	226.461 m
12 June 2023	226.421 m
19 June 2023	226.423 m
26 June 2023	226.207 m
3 July 2023	226.181 m
10 July 2023	226.240 m
17 July 2023	226.290 m
24 July 2023	226.269 m
31 July 2023	226.317 m
7 August 2023	226.324 m
14 August 2023	226.376 m
21 August 2023	226.683 m
28 August 2023	226.787 m
4 September 2023	226.783 m
11 September 2023	226.594 m
18 September 2023	226.576 m
25 September 2023	226.787 m
2 October 2023	226.776 m
9 October 2023	226.771 m
16 October 2023	226.769 m
23 October 2023	226.780 m
30 October 2023	226.534 m
6 November 2023	226.200 m
13 November 2023	225.937 m
20 November 2023	225.720 m
27 November 2023	225.483 m
4 December 2023	225.603 m
11 December 2023	225.739 m
18 December 2023	225.520 m
25 December 2023	225.059 m
1 January 2024	224.747 m
8 January 2024	224.881 m
15 January 2024	225.030 m
22 January 2024	225.179 m
29 January 2024	225.319 m
5 February 2024	225.453 m
12 February 2024	225.570 m
19 February 2024	225.699 m
26 February 2024	225.803 m
4 March 2024	225.670 m
11 March 2024	225.407 m
18 March 2024	225.133 m
25 March 2024	224.906 m
1 April 2024	224.690 m
8 April 2024	224.487 m
15 April 2024	224.393 m
22 April 2024	224.266 m
29 April 2024	224.183 m
6 May 2024	224.443 m
13 May 2024	225.536 m
20 May 2024	226.730 m
27 May 2024	226.764 m
3 June 2024	226.783 m
10 June 2024	226.777 m
17 June 2024	226.783 m
24 June 2024	226.756 m
1 July 2024	226.767 m
8 July 2024	226.770 m
15 July 2024	226.759 m
22 July 2024	226.600 m
29 July 2024	226.431 m
5 August 2024	226.466 m
12 August 2024	226.381 m
19 August 2024	226.324 m
26 August 2024	226.186 m
2 September 2024	226.174 m
9 September 2024	226.171 m
16 September 2024	226.306 m
23 September 2024	226.336 m
30 September 2024	226.421 m
7 October 2024	226.443 m
14 October 2024	226.351 m
21 October 2024	226.331 m
28 October 2024	226.379 m
4 November 2024	226.374 m
11 November 2024	226.273 m
18 November 2024	226.180 m
25 November 2024	226.014 m
2 December 2024	225.929 m
9 December 2024	225.730 m
16 December 2024	225.571 m
23 December 2024	225.393 m
30 December 2024	225.106 m
6 January 2025	225.180 m
13 January 2025	225.326 m
20 January 2025	225.471 m
27 January 2025	225.621 m
3 February 2025	225.766 m
10 February 2025	225.896 m
17 February 2025	226.009 m
24 February 2025	226.086 m
3 March 2025	225.864 m
10 March 2025	225.453 m
17 March 2025	224.943 m
24 March 2025	224.486 m
31 March 2025	224.147 m
7 April 2025	224.086 m
14 April 2025	224.120 m
21 April 2025	224.480 m
28 April 2025	224.999 m
5 May 2025	225.531 m
12 May 2025	226.183 m
19 May 2025	226.777 m
26 May 2025	226.790 m
2 June 2025	226.783 m
9 June 2025	226.776 m
16 June 2025	226.697 m
23 June 2025	226.597 m
30 June 2025	226.707 m
7 July 2025	226.733 m
14 July 2025	226.727 m
21 July 2025	226.684 m
28 July 2025	226.470 m
4 August 2025	226.246 m
11 August 2025	226.276 m
18 August 2025	226.281 m
25 August 2025	226.320 m
1 September 2025	226.224 m
8 September 2025	226.109 m
15 September 2025	225.880 m
22 September 2025	225.851 m
29 September 2025	225.871 m
6 October 2025	225.849 m
13 October 2025	226.101 m
20 October 2025	226.323 m
27 October 2025	226.260 m
3 November 2025	226.273 m
10 November 2025	226.337 m
17 November 2025	226.366 m
24 November 2025	226.329 m
1 December 2025	226.113 m
8 December 2025	226.176 m
15 December 2025	225.999 m
22 December 2025	225.826 m
29 December 2025	225.466 m
5 January 2026	225.239 m
12 January 2026	225.413 m
19 January 2026	225.624 m
26 January 2026	225.811 m
2 February 2026	225.970 m
9 February 2026	226.110 m
16 February 2026	226.216 m
23 February 2026	226.090 m
2 March 2026	225.876 m
9 March 2026	225.453 m
16 March 2026	224.907 m
23 March 2026	224.353 m
30 March 2026	224.170 m
6 April 2026	224.199 m
13 April 2026	224.396 m
20 April 2026	224.866 m
27 April 2026	225.066 m
4 May 2026	225.307 m
11 May 2026	225.654 m
18 May 2026	226.383 m
25 May 2026	226.613 m
1 June 2026	226.697 m
8 June 2026	226.723 m
15 June 2026	226.730 m
22 June 2026	226.687 m
29 June 2026	226.607 m
6 July 2026	226.587 m
13 July 2026	226.531 m
20 July 2026	226.511 m
27 July 2026	226.544 m
3 August 2026	226.551 m
10 August 2026	226.571 m
17 August 2026	226.520 m
24 August 2026	226.521 m
31 August 2026	226.536 m
7 September 2026	226.547 m
14 September 2026	226.537 m
21 September 2026	226.584 m
28 September 2026	226.543 m
5 October 2026	226.549 m
12 October 2026	226.530 m
19 October 2026	226.560 m

The whole record since 1951, monthly averages

Level
Our record

Monthly averages of Lake Isojärvi (Lapland) from 16 March 1951 to 25 October 2026.

Table: The whole record since 1951, monthly averages

Month starting	Monthly average (m)
1 March 1951	0.956 m
1 April 1951	1.016 m
1 May 1951	1.820 m
1 June 1951	1.634 m
1 July 1951	1.385 m
1 August 1951	1.152 m
1 September 1951	1.024 m
1 October 1951	1.060 m
1 November 1951	1.078 m
1 December 1951	1.159 m
1 January 1952	1.108 m
1 February 1952	1.036 m
1 March 1952	1.021 m
1 April 1952	1.006 m
1 May 1952	1.825 m
1 June 1952	1.929 m
1 July 1952	1.352 m
1 August 1952	1.323 m
1 September 1952	1.283 m
1 October 1952	1.276 m
1 November 1952	1.077 m
1 December 1952	1.036 m
1 January 1953	1.015 m
1 February 1953	0.983 m
1 March 1953	0.971 m
1 April 1953	1.100 m
1 May 1953	1.947 m
1 June 1953	1.391 m
1 July 1953	1.050 m
1 August 1953	1.224 m
1 September 1953	1.441 m
1 October 1953	1.388 m
1 November 1953	1.407 m
1 December 1953	1.188 m
1 January 1954	1.102 m
1 February 1954	1.040 m
1 March 1954	1.016 m
1 April 1954	1.206 m
1 May 1954	1.963 m
1 June 1954	1.949 m
1 July 1954	1.528 m
1 August 1954	1.562 m
1 September 1954	1.661 m
1 October 1954	1.570 m
1 November 1954	1.331 m
1 December 1954	1.217 m
1 January 1955	1.185 m
1 February 1955	1.121 m
1 March 1955	1.091 m
1 April 1955	1.042 m
1 May 1955	1.691 m
1 June 1955	1.989 m
1 July 1955	1.407 m
1 August 1955	1.228 m
1 September 1955	1.412 m
1 October 1955	1.501 m
1 November 1955	1.236 m
1 December 1955	1.093 m
1 January 1956	1.051 m
1 February 1956	1.031 m
1 March 1956	0.989 m
1 April 1956	1.109 m
1 May 1956	1.638 m
1 June 1956	2.155 m
1 July 1956	1.638 m
1 August 1956	no value
1 September 1956	1.206 m
1 October 1956	0.872 m
1 November 1956	no value
1 December 1956	no value
1 January 1957	no value
1 February 1957	no value
1 March 1957	no value
1 April 1957	no value
1 May 1957	1.733 m
1 June 1957	1.929 m
1 July 1957	1.480 m
1 August 1957	1.148 m
1 September 1957	1.356 m
1 October 1957	1.420 m
1 November 1957	1.409 m
1 December 1957	0.645 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	no value
1 February 1959	no value
1 March 1959	no value
1 April 1959	no value
1 May 1959	no value
1 June 1959	no value
1 July 1959	no value
1 August 1959	no value
1 September 1959	no value
1 October 1959	no value
1 November 1959	no value
1 December 1959	no value
1 January 1960	224.633 m
1 February 1960	224.969 m
1 March 1960	225.236 m
1 April 1960	224.643 m
1 May 1960	226.003 m
1 June 1960	226.219 m
1 July 1960	225.908 m
1 August 1960	225.176 m
1 September 1960	224.634 m
1 October 1960	224.706 m
1 November 1960	224.622 m
1 December 1960	224.585 m
1 January 1961	225.003 m
1 February 1961	225.395 m
1 March 1961	225.156 m
1 April 1961	224.132 m
1 May 1961	224.961 m
1 June 1961	226.588 m
1 July 1961	225.862 m
1 August 1961	225.793 m
1 September 1961	225.283 m
1 October 1961	224.949 m
1 November 1961	225.930 m
1 December 1961	224.829 m
1 January 1962	225.029 m
1 February 1962	225.796 m
1 March 1962	225.380 m
1 April 1962	224.489 m
1 May 1962	225.959 m
1 June 1962	226.509 m
1 July 1962	225.709 m
1 August 1962	225.843 m
1 September 1962	225.508 m
1 October 1962	225.121 m
1 November 1962	226.117 m
1 December 1962	224.983 m
1 January 1963	225.033 m
1 February 1963	225.476 m
1 March 1963	225.256 m
1 April 1963	224.125 m
1 May 1963	225.975 m
1 June 1963	225.482 m
1 July 1963	225.495 m
1 August 1963	225.414 m
1 September 1963	224.829 m
1 October 1963	224.773 m
1 November 1963	225.212 m
1 December 1963	225.108 m
1 January 1964	224.727 m
1 February 1964	224.922 m
1 March 1964	225.215 m
1 April 1964	224.266 m
1 May 1964	225.621 m
1 June 1964	226.362 m
1 July 1964	225.450 m
1 August 1964	225.292 m
1 September 1964	225.101 m
1 October 1964	224.763 m
1 November 1964	225.151 m
1 December 1964	224.925 m
1 January 1965	224.605 m
1 February 1965	225.112 m
1 March 1965	225.348 m
1 April 1965	224.425 m
1 May 1965	226.390 m
1 June 1965	226.072 m
1 July 1965	225.835 m
1 August 1965	225.454 m
1 September 1965	225.580 m
1 October 1965	225.567 m
1 November 1965	226.101 m
1 December 1965	224.906 m
1 January 1966	224.660 m
1 February 1966	224.962 m
1 March 1966	225.134 m
1 April 1966	224.346 m
1 May 1966	225.266 m
1 June 1966	226.402 m
1 July 1966	225.747 m
1 August 1966	225.585 m
1 September 1966	225.622 m
1 October 1966	225.906 m
1 November 1966	225.879 m
1 December 1966	225.533 m
1 January 1967	224.687 m
1 February 1967	225.149 m
1 March 1967	225.289 m
1 April 1967	224.272 m
1 May 1967	225.357 m
1 June 1967	226.404 m
1 July 1967	225.611 m
1 August 1967	225.308 m
1 September 1967	224.825 m
1 October 1967	225.000 m
1 November 1967	226.183 m
1 December 1967	225.533 m
1 January 1968	224.661 m
1 February 1968	224.845 m
1 March 1968	225.083 m
1 April 1968	224.258 m
1 May 1968	224.529 m
1 June 1968	226.445 m
1 July 1968	225.549 m
1 August 1968	225.205 m
1 September 1968	225.433 m
1 October 1968	225.973 m
1 November 1968	225.777 m
1 December 1968	225.536 m
1 January 1969	224.739 m
1 February 1969	224.979 m
1 March 1969	225.156 m
1 April 1969	224.137 m
1 May 1969	224.939 m
1 June 1969	226.622 m
1 July 1969	225.609 m
1 August 1969	225.166 m
1 September 1969	225.346 m
1 October 1969	225.790 m
1 November 1969	225.668 m
1 December 1969	225.555 m
1 January 1970	224.695 m
1 February 1970	224.945 m
1 March 1970	225.102 m
1 April 1970	224.198 m
1 May 1970	225.355 m
1 June 1970	226.473 m
1 July 1970	225.578 m
1 August 1970	225.372 m
1 September 1970	225.847 m
1 October 1970	226.245 m
1 November 1970	226.225 m
1 December 1970	225.554 m
1 January 1971	224.758 m
1 February 1971	224.875 m
1 March 1971	225.224 m
1 April 1971	224.343 m
1 May 1971	225.173 m
1 June 1971	226.487 m
1 July 1971	225.617 m
1 August 1971	225.468 m
1 September 1971	225.433 m
1 October 1971	226.139 m
1 November 1971	225.958 m
1 December 1971	225.302 m
1 January 1972	224.742 m
1 February 1972	225.088 m
1 March 1972	225.214 m
1 April 1972	224.327 m
1 May 1972	225.079 m
1 June 1972	226.574 m
1 July 1972	225.653 m
1 August 1972	225.548 m
1 September 1972	225.479 m
1 October 1972	225.496 m
1 November 1972	225.840 m
1 December 1972	225.788 m
1 January 1973	224.843 m
1 February 1973	224.999 m
1 March 1973	225.408 m
1 April 1973	224.271 m
1 May 1973	225.461 m
1 June 1973	226.594 m
1 July 1973	226.018 m
1 August 1973	225.293 m
1 September 1973	225.598 m
1 October 1973	225.103 m
1 November 1973	224.975 m
1 December 1973	225.245 m
1 January 1974	224.282 m
1 February 1974	224.521 m
1 March 1974	224.810 m
1 April 1974	224.144 m
1 May 1974	225.163 m
1 June 1974	226.923 m
1 July 1974	226.885 m
1 August 1974	226.741 m
1 September 1974	225.505 m
1 October 1974	225.601 m
1 November 1974	224.466 m
1 December 1974	224.708 m
1 January 1975	225.229 m
1 February 1975	224.577 m
1 March 1975	224.367 m
1 April 1975	224.183 m
1 May 1975	226.111 m
1 June 1975	226.236 m
1 July 1975	225.359 m
1 August 1975	225.172 m
1 September 1975	224.624 m
1 October 1975	224.818 m
1 November 1975	224.449 m
1 December 1975	224.206 m
1 January 1976	224.391 m
1 February 1976	224.963 m
1 March 1976	224.750 m
1 April 1976	224.463 m
1 May 1976	225.585 m
1 June 1976	226.060 m
1 July 1976	225.355 m
1 August 1976	225.235 m
1 September 1976	224.724 m
1 October 1976	224.258 m
1 November 1976	224.727 m
1 December 1976	225.283 m
1 January 1977	224.342 m
1 February 1977	224.521 m
1 March 1977	224.917 m
1 April 1977	225.183 m
1 May 1977	225.876 m
1 June 1977	226.372 m
1 July 1977	225.605 m
1 August 1977	225.695 m
1 September 1977	224.725 m
1 October 1977	225.504 m
1 November 1977	226.375 m
1 December 1977	225.252 m
1 January 1978	224.457 m
1 February 1978	224.860 m
1 March 1978	225.155 m
1 April 1978	224.481 m
1 May 1978	224.891 m
1 June 1978	225.690 m
1 July 1978	225.697 m
1 August 1978	226.547 m
1 September 1978	225.646 m
1 October 1978	225.712 m
1 November 1978	225.650 m
1 December 1978	224.469 m
1 January 1979	224.406 m
1 February 1979	224.772 m
1 March 1979	225.082 m
1 April 1979	224.828 m
1 May 1979	225.900 m
1 June 1979	226.362 m
1 July 1979	225.981 m
1 August 1979	226.452 m
1 September 1979	225.305 m
1 October 1979	224.409 m
1 November 1979	225.538 m
1 December 1979	225.242 m
1 January 1980	224.472 m
1 February 1980	224.700 m
1 March 1980	225.123 m
1 April 1980	224.343 m
1 May 1980	225.781 m
1 June 1980	226.049 m
1 July 1980	225.725 m
1 August 1980	226.082 m
1 September 1980	225.375 m
1 October 1980	225.977 m
1 November 1980	225.573 m
1 December 1980	224.591 m
1 January 1981	224.378 m
1 February 1981	224.971 m
1 March 1981	225.171 m
1 April 1981	224.241 m
1 May 1981	225.152 m
1 June 1981	226.955 m
1 July 1981	226.771 m
1 August 1981	225.768 m
1 September 1981	226.148 m
1 October 1981	225.510 m
1 November 1981	226.049 m
1 December 1981	224.749 m
1 January 1982	224.445 m
1 February 1982	225.025 m
1 March 1982	225.030 m
1 April 1982	224.316 m
1 May 1982	226.167 m
1 June 1982	226.926 m
1 July 1982	226.351 m
1 August 1982	225.588 m
1 September 1982	226.161 m
1 October 1982	224.881 m
1 November 1982	224.634 m
1 December 1982	224.458 m
1 January 1983	225.419 m
1 February 1983	226.206 m
1 March 1983	226.095 m
1 April 1983	224.657 m
1 May 1983	226.795 m
1 June 1983	226.589 m
1 July 1983	225.795 m
1 August 1983	226.328 m
1 September 1983	225.454 m
1 October 1983	225.960 m
1 November 1983	225.596 m
1 December 1983	224.509 m
1 January 1984	224.502 m
1 February 1984	225.157 m
1 March 1984	225.208 m
1 April 1984	224.234 m
1 May 1984	226.306 m
1 June 1984	225.756 m
1 July 1984	225.747 m
1 August 1984	225.493 m
1 September 1984	226.454 m
1 October 1984	225.696 m
1 November 1984	225.006 m
1 December 1984	224.291 m
1 January 1985	224.805 m
1 February 1985	225.199 m
1 March 1985	225.466 m
1 April 1985	224.601 m
1 May 1985	225.681 m
1 June 1985	226.806 m
1 July 1985	225.538 m
1 August 1985	225.896 m
1 September 1985	226.489 m
1 October 1985	226.703 m
1 November 1985	226.394 m
1 December 1985	225.789 m
1 January 1986	224.738 m
1 February 1986	224.572 m
1 March 1986	224.954 m
1 April 1986	224.919 m
1 May 1986	225.917 m
1 June 1986	226.463 m
1 July 1986	225.772 m
1 August 1986	225.881 m
1 September 1986	225.631 m
1 October 1986	226.157 m
1 November 1986	225.183 m
1 December 1986	225.143 m
1 January 1987	224.272 m
1 February 1987	224.461 m
1 March 1987	224.715 m
1 April 1987	224.623 m
1 May 1987	225.817 m
1 June 1987	226.240 m
1 July 1987	225.587 m
1 August 1987	225.996 m
1 September 1987	226.172 m
1 October 1987	226.038 m
1 November 1987	224.953 m
1 December 1987	224.390 m
1 January 1988	224.657 m
1 February 1988	225.136 m
1 March 1988	225.355 m
1 April 1988	224.639 m
1 May 1988	225.185 m
1 June 1988	226.208 m
1 July 1988	226.296 m
1 August 1988	226.755 m
1 September 1988	226.403 m
1 October 1988	226.427 m
1 November 1988	225.274 m
1 December 1988	224.486 m
1 January 1989	224.990 m
1 February 1989	225.685 m
1 March 1989	225.686 m
1 April 1989	224.418 m
1 May 1989	226.621 m
1 June 1989	226.851 m
1 July 1989	226.279 m
1 August 1989	225.596 m
1 September 1989	225.533 m
1 October 1989	226.134 m
1 November 1989	225.190 m
1 December 1989	224.337 m
1 January 1990	224.703 m
1 February 1990	225.247 m
1 March 1990	225.820 m
1 April 1990	224.900 m
1 May 1990	226.527 m
1 June 1990	225.947 m
1 July 1990	225.785 m
1 August 1990	225.533 m
1 September 1990	224.850 m
1 October 1990	224.861 m
1 November 1990	224.828 m
1 December 1990	224.473 m
1 January 1991	224.735 m
1 February 1991	225.101 m
1 March 1991	225.386 m
1 April 1991	225.047 m
1 May 1991	225.113 m
1 June 1991	226.624 m
1 July 1991	226.096 m
1 August 1991	225.482 m
1 September 1991	225.283 m
1 October 1991	226.673 m
1 November 1991	226.476 m
1 December 1991	226.168 m
1 January 1992	224.525 m
1 February 1992	225.007 m
1 March 1992	225.417 m
1 April 1992	224.739 m
1 May 1992	226.205 m
1 June 1992	226.587 m
1 July 1992	226.221 m
1 August 1992	no value
1 September 1992	226.923 m
1 October 1992	226.539 m
1 November 1992	225.263 m
1 December 1992	224.668 m
1 January 1993	224.620 m
1 February 1993	225.512 m
1 March 1993	225.730 m
1 April 1993	224.836 m
1 May 1993	226.233 m
1 June 1993	226.771 m
1 July 1993	226.442 m
1 August 1993	225.887 m
1 September 1993	225.540 m
1 October 1993	225.710 m
1 November 1993	225.261 m
1 December 1993	224.794 m
1 January 1994	225.333 m
1 February 1994	225.794 m
1 March 1994	225.831 m
1 April 1994	224.707 m
1 May 1994	226.126 m
1 June 1994	226.778 m
1 July 1994	225.933 m
1 August 1994	225.470 m
1 September 1994	225.652 m
1 October 1994	225.846 m
1 November 1994	225.778 m
1 December 1994	224.718 m
1 January 1995	225.141 m
1 February 1995	225.682 m
1 March 1995	226.092 m
1 April 1995	224.817 m
1 May 1995	225.017 m
1 June 1995	226.711 m
1 July 1995	226.304 m
1 August 1995	225.638 m
1 September 1995	226.287 m
1 October 1995	226.377 m
1 November 1995	226.469 m
1 December 1995	225.195 m
1 January 1996	224.693 m
1 February 1996	225.199 m
1 March 1996	225.630 m
1 April 1996	225.059 m
1 May 1996	225.106 m
1 June 1996	226.711 m
1 July 1996	226.514 m
1 August 1996	225.895 m
1 September 1996	225.895 m
1 October 1996	no value
1 November 1996	no value
1 December 1996	no value
1 January 1997	no value
1 February 1997	no value
1 March 1997	no value
1 April 1997	no value
1 May 1997	no value
1 June 1997	no value
1 July 1997	no value
1 August 1997	no value
1 September 1997	no value
1 October 1997	no value
1 November 1997	no value
1 December 1997	no value
1 January 1998	no value
1 February 1998	no value
1 March 1998	no value
1 April 1998	no value
1 May 1998	no value
1 June 1998	no value
1 July 1998	no value
1 August 1998	no value
1 September 1998	no value
1 October 1998	no value
1 November 1998	no value
1 December 1998	no value
1 January 1999	no value
1 February 1999	no value
1 March 1999	no value
1 April 1999	no value
1 May 1999	no value
1 June 1999	no value
1 July 1999	no value
1 August 1999	no value
1 September 1999	no value
1 October 1999	no value
1 November 1999	no value
1 December 1999	no value
1 January 2000	no value
1 February 2000	no value
1 March 2000	no value
1 April 2000	no value
1 May 2000	no value
1 June 2000	no value
1 July 2000	no value
1 August 2000	no value
1 September 2000	no value
1 October 2000	no value
1 November 2000	no value
1 December 2000	no value
1 January 2001	no value
1 February 2001	no value
1 March 2001	no value
1 April 2001	no value
1 May 2001	no value
1 June 2001	no value
1 July 2001	no value
1 August 2001	no value
1 September 2001	no value
1 October 2001	no value
1 November 2001	no value
1 December 2001	no value
1 January 2002	no value
1 February 2002	no value
1 March 2002	no value
1 April 2002	no value
1 May 2002	no value
1 June 2002	no value
1 July 2002	no value
1 August 2002	no value
1 September 2002	no value
1 October 2002	no value
1 November 2002	no value
1 December 2002	no value
1 January 2003	no value
1 February 2003	no value
1 March 2003	no value
1 April 2003	224.833 m
1 May 2003	225.543 m
1 June 2003	226.667 m
1 July 2003	226.513 m
1 August 2003	226.490 m
1 September 2003	226.463 m
1 October 2003	226.485 m
1 November 2003	226.479 m
1 December 2003	226.235 m
1 January 2004	225.400 m
1 February 2004	224.571 m
1 March 2004	224.955 m
1 April 2004	224.621 m
1 May 2004	226.239 m
1 June 2004	226.644 m
1 July 2004	226.649 m
1 August 2004	226.612 m
1 September 2004	226.633 m
1 October 2004	226.625 m
1 November 2004	226.553 m
1 December 2004	226.229 m
1 January 2005	225.712 m
1 February 2005	224.989 m
1 March 2005	224.753 m
1 April 2005	224.955 m
1 May 2005	225.440 m
1 June 2005	226.759 m
1 July 2005	226.558 m
1 August 2005	226.430 m
1 September 2005	226.574 m
1 October 2005	226.445 m
1 November 2005	226.540 m
1 December 2005	226.343 m
1 January 2006	224.863 m
1 February 2006	225.088 m
1 March 2006	225.640 m
1 April 2006	225.397 m
1 May 2006	226.181 m
1 June 2006	226.643 m
1 July 2006	226.481 m
1 August 2006	226.486 m
1 September 2006	226.555 m
1 October 2006	226.513 m
1 November 2006	225.526 m
1 December 2006	224.908 m
1 January 2007	224.712 m
1 February 2007	224.913 m
1 March 2007	225.423 m
1 April 2007	225.082 m
1 May 2007	225.655 m
1 June 2007	226.654 m
1 July 2007	226.654 m
1 August 2007	226.561 m
1 September 2007	226.525 m
1 October 2007	226.436 m
1 November 2007	226.522 m
1 December 2007	226.286 m
1 January 2008	224.753 m
1 February 2008	225.343 m
1 March 2008	225.985 m
1 April 2008	224.927 m
1 May 2008	226.327 m
1 June 2008	226.528 m
1 July 2008	226.292 m
1 August 2008	225.694 m
1 September 2008	226.518 m
1 October 2008	226.611 m
1 November 2008	226.512 m
1 December 2008	226.379 m
1 January 2009	226.013 m
1 February 2009	225.243 m
1 March 2009	225.149 m
1 April 2009	224.734 m
1 May 2009	226.023 m
1 June 2009	226.664 m
1 July 2009	226.626 m
1 August 2009	226.440 m
1 September 2009	225.887 m
1 October 2009	226.798 m
1 November 2009	226.861 m
1 December 2009	226.859 m
1 January 2010	226.288 m
1 February 2010	225.730 m
1 March 2010	225.850 m
1 April 2010	224.797 m
1 May 2010	225.885 m
1 June 2010	226.775 m
1 July 2010	226.576 m
1 August 2010	226.597 m
1 September 2010	225.284 m
1 October 2010	226.319 m
1 November 2010	226.451 m
1 December 2010	225.592 m
1 January 2011	225.430 m
1 February 2011	225.769 m
1 March 2011	225.658 m
1 April 2011	224.514 m
1 May 2011	226.047 m
1 June 2011	226.663 m
1 July 2011	226.309 m
1 August 2011	225.559 m
1 September 2011	224.335 m
1 October 2011	225.645 m
1 November 2011	226.707 m
1 December 2011	225.970 m
1 January 2012	224.937 m
1 February 2012	225.539 m
1 March 2012	225.887 m
1 April 2012	224.526 m
1 May 2012	225.624 m
1 June 2012	226.756 m
1 July 2012	226.455 m
1 August 2012	225.357 m
1 September 2012	224.659 m
1 October 2012	226.517 m
1 November 2012	226.795 m
1 December 2012	226.247 m
1 January 2013	225.513 m
1 February 2013	225.183 m
1 March 2013	225.692 m
1 April 2013	225.006 m
1 May 2013	226.599 m
1 June 2013	226.579 m
1 July 2013	226.557 m
1 August 2013	225.864 m
1 September 2013	225.362 m
1 October 2013	225.587 m
1 November 2013	225.956 m
1 December 2013	226.311 m
1 January 2014	226.298 m
1 February 2014	225.760 m
1 March 2014	225.850 m
1 April 2014	224.479 m
1 May 2014	225.663 m
1 June 2014	226.283 m
1 July 2014	226.097 m
1 August 2014	226.524 m
1 September 2014	226.306 m
1 October 2014	226.502 m
1 November 2014	226.450 m
1 December 2014	225.663 m
1 January 2015	224.799 m
1 February 2015	225.290 m
1 March 2015	225.786 m
1 April 2015	224.476 m
1 May 2015	225.995 m
1 June 2015	226.890 m
1 July 2015	226.451 m
1 August 2015	226.590 m
1 September 2015	225.707 m
1 October 2015	225.494 m
1 November 2015	226.660 m
1 December 2015	226.457 m
1 January 2016	225.598 m
1 February 2016	226.236 m
1 March 2016	226.155 m
1 April 2016	224.518 m
1 May 2016	226.703 m
1 June 2016	226.582 m
1 July 2016	226.587 m
1 August 2016	226.736 m
1 September 2016	226.779 m
1 October 2016	226.612 m
1 November 2016	226.592 m
1 December 2016	226.378 m
1 January 2017	225.748 m
1 February 2017	225.374 m
1 March 2017	225.695 m
1 April 2017	224.499 m
1 May 2017	224.443 m
1 June 2017	226.832 m
1 July 2017	226.684 m
1 August 2017	226.663 m
1 September 2017	226.656 m
1 October 2017	226.618 m
1 November 2017	226.603 m
1 December 2017	226.030 m
1 January 2018	225.546 m
1 February 2018	224.971 m
1 March 2018	224.570 m
1 April 2018	224.285 m
1 May 2018	225.929 m
1 June 2018	226.614 m
1 July 2018	226.215 m
1 August 2018	226.094 m
1 September 2018	226.115 m
1 October 2018	226.537 m
1 November 2018	226.684 m
1 December 2018	226.567 m
1 January 2019	225.725 m
1 February 2019	225.423 m
1 March 2019	225.359 m
1 April 2019	224.390 m
1 May 2019	226.207 m
1 June 2019	226.783 m
1 July 2019	226.619 m
1 August 2019	226.307 m
1 September 2019	226.362 m
1 October 2019	226.402 m
1 November 2019	226.633 m
1 December 2019	225.975 m
1 January 2020	224.586 m
1 February 2020	225.565 m
1 March 2020	225.534 m
1 April 2020	224.283 m
1 May 2020	224.931 m
1 June 2020	226.794 m
1 July 2020	226.584 m
1 August 2020	226.269 m
1 September 2020	226.154 m
1 October 2020	226.312 m
1 November 2020	226.843 m
1 December 2020	226.613 m
1 January 2021	225.358 m
1 February 2021	225.750 m
1 March 2021	225.677 m
1 April 2021	225.519 m
1 May 2021	225.596 m
1 June 2021	226.621 m
1 July 2021	226.611 m
1 August 2021	226.604 m
1 September 2021	226.427 m
1 October 2021	226.629 m
1 November 2021	226.733 m
1 December 2021	226.296 m
1 January 2022	225.492 m
1 February 2022	225.133 m
1 March 2022	225.508 m
1 April 2022	224.397 m
1 May 2022	226.119 m
1 June 2022	226.625 m
1 July 2022	226.231 m
1 August 2022	226.432 m
1 September 2022	225.899 m
1 October 2022	225.302 m
1 November 2022	225.314 m
1 December 2022	224.793 m
1 January 2023	224.765 m
1 February 2023	225.114 m
1 March 2023	224.812 m
1 April 2023	224.455 m
1 May 2023	225.683 m
1 June 2023	226.426 m
1 July 2023	226.240 m
1 August 2023	226.477 m
1 September 2023	226.692 m
1 October 2023	226.766 m
1 November 2023	225.979 m
1 December 2023	225.480 m
1 January 2024	224.990 m
1 February 2024	225.574 m
1 March 2024	225.330 m
1 April 2024	224.438 m
1 May 2024	225.541 m
1 June 2024	226.775 m
1 July 2024	226.694 m
1 August 2024	226.359 m
1 September 2024	226.247 m
1 October 2024	226.387 m
1 November 2024	226.234 m
1 December 2024	225.636 m
1 January 2025	225.330 m
1 February 2025	225.912 m
1 March 2025	225.212 m
1 April 2025	224.279 m
1 May 2025	226.141 m
1 June 2025	226.713 m
1 July 2025	226.695 m
1 August 2025	226.288 m
1 September 2025	226.006 m
1 October 2025	226.070 m
1 November 2025	226.329 m
1 December 2025	225.987 m
1 January 2026	225.490 m
1 February 2026	226.092 m
1 March 2026	225.110 m
1 April 2026	224.509 m
1 May 2026	225.903 m
1 June 2026	226.704 m
1 July 2026	226.551 m
1 August 2026	226.542 m
1 September 2026	226.553 m
1 October 2026	226.544 m

How this compares

The daily value on 25 October 2026 was 226.55 m, the thirteenth highest for 25 October in 66 years of record (1951 to 2026). The newest value is provisional.

Same date in past years

25 October in the last 10 years

Day	Level	Against the normal range for the date
25 October 2025	no value
25 October 2024	226.34 m
25 October 2023	226.79 m
25 October 2022	225.26 m
25 October 2021	226.80 m
25 October 2020	226.29 m
25 October 2019	226.35 m
25 October 2018	226.58 m
25 October 2017	226.72 m
25 October 2016	226.64 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 Isojärvi (Lapland) in each year from 1960 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily value in our series since 16 March 1951 was 220.00 m, on 31 January 1988. The highest was 227.02 m, on 30 May 1971.

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
1960	224.08 m	22 April	226.73 m	17 May	366
1961	224.00 m	11 April	227.00 m	29 May	365
1962	224.09 m	27 April	226.94 m	27 May	365
1963	224.00 m	19 April	226.82 m	20 May	365
1964	223.92 m	8 May	226.95 m	27 May	366
1965	223.95 m	25 April	226.96 m	21 May	365
1966	223.99 m	11 May	227.00 m	31 May	365
1967	223.96 m	30 April	227.00 m	1 June	365
1968	223.99 m	1 May	226.95 m	5 June	366
1969	224.01 m	11 April	227.00 m	2 June	365
1970	224.03 m	26 April	227.00 m	28 May	365
1971	224.02 m	7 May	227.02 m	30 May	365
1972	224.07 m	11 May	226.97 m	6 June	366
1973	224.03 m	5 May	226.96 m	31 May	365
1974	224.04 m	11 May	226.98 m	11 June	365
1975	224.06 m	24 April	226.97 m	21 May	365
1976	224.05 m	8 May	226.97 m	21 May	366
1977	224.08 m	18 January	226.96 m	26 May	365
1978	224.07 m	11 May	226.83 m	25 August	365
1979	224.08 m	11 October	226.99 m	26 May	365
1980	224.08 m	12 April	226.98 m	27 May	366
1981	224.04 m	9 May	226.98 m	1 June	365
1982	224.08 m	9 April	226.99 m	30 May	365
1983	224.07 m	30 December	226.97 m	26 May	365
1984	224.06 m	8 April	226.98 m	15 May	366
1985	224.12 m	10 May	226.96 m	26 May	365
1986	224.26 m	27 January	226.96 m	29 May	365
1987	224.13 m	27 April	226.95 m	23 May	365
1988	220.00 m	31 January	226.86 m	28 August	366
1989	224.06 m	19 December	226.96 m	7 June	365
1990	224.25 m	16 December	226.78 m	10 May	365
1991	224.29 m	29 April	226.95 m	11 October	365
1992	224.16 m	14 January	226.99 m	24 May	335
1993	224.14 m	4 January	226.92 m	11 May	365
1994	224.25 m	27 April	226.96 m	20 June	365
1995	224.24 m	24 April	226.89 m	31 May	365
2004	224.32 m	26 April	226.98 m	30 May	366
2005provisional	224.35 m	9 May	226.99 m	3 June	365
2006provisional	224.21 m	30 April	226.96 m	31 May	365
2007provisional	224.31 m	29 April	226.96 m	29 May	351
2008provisional	224.36 m	26 April	226.95 m	22 May	365
2009provisional	224.14 m	3 May	226.96 m	8 November	365
2010provisional	224.23 m	3 May	226.96 m	17 May	365
2011provisional	224.07 m	22 April	226.97 m	27 May	365
2012provisional	224.11 m	2 May	226.95 m	28 May	366
2013provisional	224.51 m	23 April	226.95 m	13 May	365
2014provisional	224.11 m	25 April	226.92 m	23 May	365
2015provisional	224.09 m	18 April	226.94 m	1 June	365
2016provisional	224.14 m	26 April	226.96 m	12 May	366
2017provisional	224.03 m	14 May	226.93 m	9 June	365
2018provisional	224.07 m	19 April	226.93 m	21 May	365
2019provisional	224.06 m	22 April	226.95 m	2 November	365
2020provisional	224.03 m	23 April	226.93 m	11 November	366
2021provisional	224.48 m	14 May	226.84 m	3 November	365
2022provisional	224.06 m	18 April	226.82 m	26 May	365
2023provisional	224.14 m	26 April	226.82 m	24 September	365
2024provisional	224.14 m	29 April	226.82 m	8 June	366
2025provisional	224.06 m	9 April	226.80 m	21 May	363
2026so far, provisional	224.12 m	30 March	226.76 m	9 June	298

Each year from January to December, weekly averages

The year so far
2025, the year before
Year of the lowest day in our series
Other years
Normal range for the week

The weekly averages of Lake Isojärvi (Lapland) in each year from 1980 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. The lowest daily value in our series since 16 March 1951 was in 1988. 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)	1988, lowest day Weekly average (m)	Normal range (m)
1 Jan to 7 Jan	225.309 m	224.666 m	224.290 m to 225.930 m
8 Jan to 14 Jan	225.289 m	224.763 m	224.310 m to 225.760 m
15 Jan to 21 Jan	225.507 m	224.850 m	224.370 m to 225.620 m
22 Jan to 28 Jan	225.707 m	224.924 m	224.476 m to 225.590 m
29 Jan to 4 Feb	225.883 m	224.280 m	224.546 m to 225.620 m
5 Feb to 11 Feb	226.030 m	225.057 m	224.626 m to 225.670 m
12 Feb to 18 Feb	226.166 m	225.140 m	224.676 m to 225.780 m
19 Feb to 25 Feb	226.191 m	225.214 m	224.710 m to 225.910 m
26 Feb to 4 Mar	226.011 m	225.283 m	224.726 m to 226.020 m
5 Mar to 11 Mar	225.717 m	225.339 m	224.756 m to 226.050 m
12 Mar to 18 Mar	225.230 m	225.407 m	224.836 m to 226.004 m
19 Mar to 25 Mar	224.656 m	225.456 m	224.770 m to 225.880 m
26 Mar to 1 Apr	224.204 m	225.236 m	224.573 m to 225.717 m
2 Apr to 8 Apr	224.177 m	224.843 m	224.216 m to 225.470 m
9 Apr to 15 Apr	224.237 m	224.553 m	224.101 m to 225.240 m
16 Apr to 22 Apr	224.634 m	224.536 m	224.070 m to 224.930 m
23 Apr to 29 Apr	224.953 m	224.629 m	224.060 m to 224.789 m
30 Apr to 6 May	225.146 m	224.517 m	224.060 m to 225.530 m
7 May to 13 May	225.434 m	224.484 m	224.090 m to 226.719 m
14 May to 20 May	225.971 m	225.343 m	224.220 m to 226.910 m
21 May to 27 May	226.539 m	225.813 m	225.542 m to 226.950 m
28 May to 3 Jun	226.664 m	225.771 m	226.291 m to 226.960 m
4 Jun to 10 Jun	226.707 m	226.163 m	226.280 m to 226.950 m
11 Jun to 17 Jun	226.726 m	226.461 m	226.051 m to 226.920 m
18 Jun to 24 Jun	226.716 m	226.224 m	225.781 m to 226.860 m
25 Jun to 1 Jul	226.656 m	226.113 m	225.560 m to 226.820 m
2 Jul to 8 Jul	226.579 m	226.166 m	225.470 m to 226.770 m
9 Jul to 15 Jul	226.583 m	226.314 m	225.440 m to 226.740 m
16 Jul to 22 Jul	226.509 m	226.321 m	225.440 m to 226.680 m
23 Jul to 29 Jul	226.529 m	226.309 m	225.400 m to 226.621 m
30 Jul to 5 Aug	226.551 m	226.566 m	225.330 m to 226.620 m
6 Aug to 12 Aug	226.553 m	226.691 m	225.280 m to 226.634 m
13 Aug to 19 Aug	226.561 m	226.759 m	225.220 m to 226.654 m
20 Aug to 26 Aug	226.510 m	226.807 m	225.180 m to 226.680 m
27 Aug to 2 Sep	226.524 m	226.831 m	225.080 m to 226.630 m
3 Sep to 9 Sep	226.541 m	226.679 m	224.950 m to 226.570 m
10 Sep to 16 Sep	226.541 m	226.446 m	224.741 m to 226.560 m
17 Sep to 23 Sep	226.569 m	226.060 m	224.690 m to 226.630 m
24 Sep to 30 Sep	226.567 m	226.374 m	224.626 m to 226.640 m
1 Oct to 7 Oct	226.534 m	226.494 m	224.660 m to 226.614 m
8 Oct to 14 Oct	226.549 m	226.561 m	224.766 m to 226.650 m
15 Oct to 21 Oct	226.540 m	226.549 m	224.820 m to 226.695 m
22 Oct to 28 Oct	no value	226.331 m	224.820 m to 226.730 m
29 Oct to 4 Nov	no value	225.984 m	224.830 m to 226.760 m
5 Nov to 11 Nov	no value	225.624 m	224.840 m to 226.750 m
12 Nov to 18 Nov	no value	225.183 m	224.795 m to 226.690 m
19 Nov to 25 Nov	no value	225.049 m	224.800 m to 226.670 m
26 Nov to 2 Dec	no value	224.893 m	224.690 m to 226.634 m
3 Dec to 9 Dec	no value	224.644 m	224.540 m to 226.630 m
10 Dec to 16 Dec	no value	224.476 m	224.425 m to 226.520 m
17 Dec to 23 Dec	no value	224.326 m	224.361 m to 226.369 m
24 Dec to 31 Dec	no value	224.458 m	224.340 m to 226.145 m

Every year

Year	Days with a value	Days below the normal range
2026to 25 October 2026	298	18
2025	363	20
2024	366	0
2023	365	16
2022	365	6
2021	365	0
2020	366	15
2019	365	0
2018	365	29
2017	365	20
2016	366	0
2015	365	8
2014	365	0
2013	365	0
2012	366	25
2011	365	39
2010	365	0
2009	365	0
2008	365	3
2007	351	2
2006	365	0
2005	365	23
2004	366	21
2003	275	0
1996	274	0
1995	365	1
1994	365	0
1993	365	6
1992	335	9
1991	365	7
1990	365	42
1989	365	24
1988	366	21
1987	365	109
1986	365	39
1985	365	15
1984	366	79
1983	365	18
1982	365	76
1981	365	33
1980	366	50
1979	365	44
1978	365	58
1977	365	67
1976	366	161
1975	365	210
1974	365	106
1973	365	33
1972	366	8
1971	365	22
1970	365	25
1969	365	45
1968	366	51
1967	365	58
1966	365	23
1965	365	26
1964	366	90
1963	365	89
1962	365	6
1961	365	24
1960	366	125

How it compares

That is within the normal range for the date.

Records

Highest daily value in our series since 16 March 1951: 227.02 m on 30 May 1971.
Lowest daily value in our series since 16 March 1951: 220.00 m on 31 January 1988.

About this lake

Lake Isojärvi (Lapland) is a lake in Lapland, Finland.

It lies at 66.4344° N, 28.1347° 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.

Lake Isojärvi (Lapland) water level today

Is Lake Isojärvi (Lapland) 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

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