Lake Synsiä water level today

Is Lake Synsiä within its normal range for the date?

Lake Synsiä stood at 0.91 m on 26 October 2026.

NowHistoryThis dateBy year

Water level now

within the normal range for the date

0.91 m

26 October 2026Provisional

within the normal range for the date

The normal range for 26 October is 0.69 m to 1.06 m: the 10th to 90th percentile of the daily values from 19 October to 2 November in 76 years between 1910 and 2025.

Table: where the water stands

Level	Value
Newest reading	0.91 m, 26 October 2026
Normal range for the date	0.69 m to 1.06 m
Median for the date	0.87 m

Past day: 0 m
Past week: +0.01 m

The gauge reads the height of the water above a fixed zero, not the depth of the lake. Its zero lies at 109.74 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 Synsiä stood at 0.91 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
Our record

Daily values of Lake Synsiä 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	0.690 m	0.750 m to 0.990 m	0.850 m	0.780 m
30 July 2026	0.690 m	0.750 m to 0.990 m	0.850 m	0.780 m
31 July 2026	0.690 m	0.750 m to 0.990 m	0.850 m	0.770 m
1 August 2026	0.700 m	0.750 m to 0.990 m	0.840 m	0.770 m
2 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m	0.780 m
3 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m	0.790 m
4 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m	0.790 m
5 August 2026	0.680 m	0.740 m to 0.990 m	0.840 m	0.780 m
6 August 2026	0.690 m	0.740 m to 0.990 m	0.830 m	0.790 m
7 August 2026	0.690 m	0.740 m to 0.984 m	0.830 m	0.780 m
8 August 2026	0.680 m	0.730 m to 0.980 m	0.830 m	0.770 m
9 August 2026	0.670 m	0.730 m to 0.980 m	0.830 m	0.770 m
10 August 2026	0.670 m	0.730 m to 0.980 m	0.820 m	0.760 m
11 August 2026	0.690 m	0.730 m to 0.980 m	0.820 m	0.760 m
12 August 2026	0.680 m	0.730 m to 0.980 m	0.820 m	0.760 m
13 August 2026	0.740 m	0.720 m to 0.980 m	0.820 m	0.750 m
14 August 2026	0.820 m	0.720 m to 0.980 m	0.820 m	0.750 m
15 August 2026	0.680 m	0.720 m to 0.980 m	0.820 m	0.750 m
16 August 2026	0.680 m	0.720 m to 0.980 m	0.820 m	0.740 m
17 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m	0.740 m
18 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m	0.730 m
19 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m	0.730 m
20 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m	0.720 m
21 August 2026	0.670 m	0.720 m to 0.980 m	0.810 m	0.720 m
22 August 2026	0.670 m	0.710 m to 0.980 m	0.810 m	0.710 m
23 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m	0.710 m
24 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m	0.700 m
25 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m	0.580 m
26 August 2026	0.670 m	0.710 m to 0.984 m	0.810 m	0.700 m
27 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m	0.700 m
28 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m	0.690 m
29 August 2026	0.660 m	0.700 m to 0.990 m	0.810 m	0.690 m
30 August 2026	0.660 m	0.700 m to 0.990 m	0.810 m	0.690 m
31 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m	0.690 m
1 September 2026	0.680 m	0.700 m to 0.990 m	0.810 m	0.690 m
2 September 2026	0.680 m	0.700 m to 0.990 m	0.810 m	0.690 m
3 September 2026	0.680 m	0.690 m to 0.990 m	0.810 m	0.690 m
4 September 2026	0.690 m	0.690 m to 0.990 m	0.810 m	0.690 m
5 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m	0.690 m
6 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m	0.690 m
7 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m	0.690 m
8 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m	0.690 m
9 September 2026	0.690 m	0.690 m to 0.980 m	0.810 m	0.680 m
10 September 2026	0.700 m	0.690 m to 0.980 m	0.810 m	0.680 m
11 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.680 m
12 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.670 m
13 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.680 m
14 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.680 m
15 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.690 m
16 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m	0.690 m
17 September 2026	0.720 m	0.690 m to 0.970 m	0.810 m	0.700 m
18 September 2026	0.720 m	0.690 m to 0.979 m	0.810 m	0.710 m
19 September 2026	0.720 m	0.690 m to 0.980 m	0.810 m	0.710 m
20 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m	0.710 m
21 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m	0.720 m
22 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m	0.730 m
23 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m	0.720 m
24 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m	0.720 m
25 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m	0.720 m
26 September 2026	0.760 m	0.690 m to 0.980 m	0.820 m	0.710 m
27 September 2026	0.790 m	0.690 m to 0.990 m	0.820 m	0.710 m
28 September 2026	0.790 m	0.690 m to 0.990 m	0.820 m	0.710 m
29 September 2026	0.800 m	0.690 m to 0.990 m	0.820 m	0.710 m
30 September 2026	0.800 m	0.690 m to 0.990 m	0.830 m	0.710 m
1 October 2026	0.800 m	0.690 m to 0.990 m	0.830 m	0.700 m
2 October 2026	0.800 m	0.681 m to 0.990 m	0.830 m	0.700 m
3 October 2026	0.800 m	0.680 m to 0.990 m	0.830 m	0.700 m
4 October 2026	0.810 m	0.680 m to 1.000 m	0.830 m	0.690 m
5 October 2026	0.810 m	0.680 m to 1.000 m	0.840 m	0.690 m
6 October 2026	0.820 m	0.680 m to 1.010 m	0.840 m	0.690 m
7 October 2026	0.810 m	0.680 m to 1.010 m	0.840 m	0.690 m
8 October 2026	0.810 m	0.680 m to 1.010 m	0.840 m	0.700 m
9 October 2026	0.820 m	0.680 m to 1.020 m	0.850 m	0.700 m
10 October 2026	0.850 m	0.680 m to 1.030 m	0.850 m	0.700 m
11 October 2026	0.860 m	0.680 m to 1.030 m	0.850 m	0.710 m
12 October 2026	0.860 m	0.680 m to 1.040 m	0.850 m	0.700 m
13 October 2026	0.860 m	0.680 m to 1.040 m	0.850 m	0.700 m
14 October 2026	0.870 m	0.680 m to 1.040 m	0.850 m	0.700 m
15 October 2026	0.870 m	0.680 m to 1.040 m	0.850 m	0.700 m
16 October 2026	0.870 m	0.690 m to 1.050 m	0.850 m	0.700 m
17 October 2026	0.890 m	0.690 m to 1.050 m	0.850 m	0.690 m
18 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m	0.690 m
19 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m	0.690 m
20 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m	0.690 m
21 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m	0.690 m
22 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m	0.680 m
23 October 2026	0.900 m	0.690 m to 1.050 m	0.870 m	0.690 m
24 October 2026	0.910 m	0.690 m to 1.050 m	0.870 m	0.690 m
25 October 2026	0.910 m	0.690 m to 1.050 m	0.870 m	0.700 m
26 October 2026	0.910 m	0.690 m to 1.059 m	0.870 m	0.710 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 Synsiä 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	0.710 m	0.690 m to 1.059 m	0.870 m
27 October 2025	0.720 m	0.700 m to 1.060 m	0.870 m
28 October 2025	0.720 m	0.700 m to 1.060 m	0.880 m
29 October 2025	0.720 m	0.700 m to 1.060 m	0.880 m
30 October 2025	0.720 m	0.700 m to 1.060 m	0.890 m
31 October 2025	0.730 m	0.700 m to 1.060 m	0.890 m
1 November 2025	0.740 m	0.700 m to 1.060 m	0.900 m
2 November 2025	0.740 m	0.700 m to 1.070 m	0.900 m
3 November 2025	0.750 m	0.700 m to 1.070 m	0.900 m
4 November 2025	0.750 m	0.700 m to 1.070 m	0.910 m
5 November 2025	0.760 m	0.700 m to 1.080 m	0.910 m
6 November 2025	0.760 m	0.700 m to 1.080 m	0.920 m
7 November 2025	0.760 m	0.701 m to 1.080 m	0.920 m
8 November 2025	0.760 m	0.710 m to 1.080 m	0.920 m
9 November 2025	0.760 m	0.710 m to 1.090 m	0.930 m
10 November 2025	0.760 m	0.710 m to 1.090 m	0.930 m
11 November 2025	0.760 m	0.710 m to 1.090 m	0.940 m
12 November 2025	0.770 m	0.710 m to 1.090 m	0.940 m
13 November 2025	0.780 m	0.720 m to 1.100 m	0.945 m
14 November 2025	0.790 m	0.720 m to 1.100 m	0.950 m
15 November 2025	0.790 m	0.720 m to 1.100 m	0.950 m
16 November 2025	0.790 m	0.720 m to 1.100 m	0.950 m
17 November 2025	0.800 m	0.730 m to 1.100 m	0.960 m
18 November 2025	0.800 m	0.730 m to 1.100 m	0.960 m
19 November 2025	0.800 m	0.730 m to 1.100 m	0.960 m
20 November 2025	0.800 m	0.731 m to 1.110 m	0.960 m
21 November 2025	0.800 m	0.740 m to 1.110 m	0.960 m
22 November 2025	0.800 m	0.750 m to 1.110 m	0.960 m
23 November 2025	0.810 m	0.750 m to 1.110 m	0.960 m
24 November 2025	0.810 m	0.760 m to 1.110 m	0.970 m
25 November 2025	0.810 m	0.760 m to 1.110 m	0.970 m
26 November 2025	0.810 m	0.760 m to 1.110 m	0.970 m
27 November 2025	0.810 m	0.770 m to 1.110 m	0.960 m
28 November 2025	0.810 m	0.780 m to 1.110 m	0.960 m
29 November 2025	0.820 m	0.780 m to 1.110 m	0.960 m
30 November 2025	0.830 m	0.780 m to 1.100 m	0.960 m
1 December 2025	0.840 m	0.790 m to 1.100 m	0.960 m
2 December 2025	0.840 m	0.790 m to 1.100 m	0.960 m
3 December 2025	0.850 m	0.790 m to 1.090 m	0.960 m
4 December 2025	0.850 m	0.790 m to 1.090 m	0.960 m
5 December 2025	0.850 m	0.790 m to 1.090 m	0.960 m
6 December 2025	0.850 m	0.790 m to 1.090 m	0.960 m
7 December 2025	0.860 m	0.790 m to 1.090 m	0.950 m
8 December 2025	0.870 m	0.790 m to 1.090 m	0.950 m
9 December 2025	0.880 m	0.790 m to 1.090 m	0.950 m
10 December 2025	0.890 m	0.790 m to 1.090 m	0.950 m
11 December 2025	0.900 m	0.790 m to 1.090 m	0.950 m
12 December 2025	0.900 m	0.790 m to 1.090 m	0.950 m
13 December 2025	0.910 m	0.790 m to 1.090 m	0.950 m
14 December 2025	0.910 m	0.790 m to 1.090 m	0.950 m
15 December 2025	0.910 m	0.790 m to 1.090 m	0.950 m
16 December 2025	0.910 m	0.790 m to 1.090 m	0.950 m
17 December 2025	0.920 m	0.790 m to 1.090 m	0.950 m
18 December 2025	0.930 m	0.790 m to 1.090 m	0.950 m
19 December 2025	0.930 m	0.790 m to 1.090 m	0.950 m
20 December 2025	0.940 m	0.790 m to 1.090 m	0.950 m
21 December 2025	0.950 m	0.790 m to 1.090 m	0.950 m
22 December 2025	0.950 m	0.790 m to 1.090 m	0.950 m
23 December 2025	0.960 m	0.790 m to 1.080 m	0.950 m
24 December 2025	0.960 m	0.790 m to 1.080 m	0.950 m
25 December 2025	0.960 m	0.790 m to 1.080 m	0.950 m
26 December 2025	0.950 m	0.790 m to 1.080 m	0.950 m
27 December 2025	0.950 m	0.790 m to 1.080 m	0.950 m
28 December 2025	0.960 m	0.786 m to 1.080 m	0.950 m
29 December 2025	0.960 m	0.780 m to 1.070 m	0.950 m
30 December 2025	0.960 m	0.780 m to 1.070 m	0.945 m
31 December 2025	0.960 m	0.780 m to 1.070 m	0.940 m
1 January 2026	0.960 m	0.780 m to 1.070 m	0.940 m
2 January 2026	0.960 m	0.780 m to 1.060 m	0.940 m
3 January 2026	0.950 m	0.780 m to 1.060 m	0.940 m
4 January 2026	0.950 m	0.780 m to 1.060 m	0.940 m
5 January 2026	0.950 m	0.780 m to 1.060 m	0.945 m
6 January 2026	0.940 m	0.780 m to 1.050 m	0.940 m
7 January 2026	0.940 m	0.780 m to 1.050 m	0.940 m
8 January 2026	0.940 m	0.780 m to 1.050 m	0.940 m
9 January 2026	0.940 m	0.785 m to 1.040 m	0.940 m
10 January 2026	0.930 m	0.785 m to 1.040 m	0.940 m
11 January 2026	0.930 m	0.790 m to 1.040 m	0.940 m
12 January 2026	0.930 m	0.790 m to 1.030 m	0.930 m
13 January 2026	0.920 m	0.790 m to 1.030 m	0.930 m
14 January 2026	0.920 m	0.790 m to 1.030 m	0.930 m
15 January 2026	0.920 m	0.790 m to 1.030 m	0.930 m
16 January 2026	0.910 m	0.790 m to 1.030 m	0.930 m
17 January 2026	0.910 m	0.790 m to 1.020 m	0.920 m
18 January 2026	0.910 m	0.790 m to 1.020 m	0.920 m
19 January 2026	0.910 m	0.790 m to 1.020 m	0.920 m
20 January 2026	0.900 m	0.790 m to 1.020 m	0.920 m
21 January 2026	0.900 m	0.790 m to 1.020 m	0.920 m
22 January 2026	0.900 m	0.790 m to 1.020 m	0.920 m
23 January 2026	0.890 m	0.790 m to 1.020 m	0.910 m
24 January 2026	0.890 m	0.790 m to 1.020 m	0.910 m
25 January 2026	0.890 m	0.790 m to 1.020 m	0.910 m
26 January 2026	0.880 m	0.790 m to 1.010 m	0.910 m
27 January 2026	0.880 m	0.790 m to 1.010 m	0.910 m
28 January 2026	0.880 m	0.790 m to 1.010 m	0.910 m
29 January 2026	0.870 m	0.790 m to 1.000 m	0.910 m
30 January 2026	0.870 m	0.790 m to 1.000 m	0.900 m
31 January 2026	0.870 m	0.790 m to 1.000 m	0.900 m
1 February 2026	0.860 m	0.790 m to 1.000 m	0.900 m
2 February 2026	0.860 m	0.790 m to 1.000 m	0.900 m
3 February 2026	0.860 m	0.790 m to 1.000 m	0.900 m
4 February 2026	0.850 m	0.790 m to 0.995 m	0.900 m
5 February 2026	0.850 m	0.790 m to 0.990 m	0.900 m
6 February 2026	0.850 m	0.785 m to 0.990 m	0.900 m
7 February 2026	0.840 m	0.780 m to 0.990 m	0.895 m
8 February 2026	0.840 m	0.780 m to 0.980 m	0.890 m
9 February 2026	0.840 m	0.780 m to 0.980 m	0.890 m
10 February 2026	0.830 m	0.780 m to 0.980 m	0.890 m
11 February 2026	0.830 m	0.780 m to 0.980 m	0.890 m
12 February 2026	0.830 m	0.770 m to 0.977 m	0.890 m
13 February 2026	0.830 m	0.770 m to 0.970 m	0.890 m
14 February 2026	0.820 m	0.770 m to 0.970 m	0.880 m
15 February 2026	0.820 m	0.770 m to 0.970 m	0.880 m
16 February 2026	0.820 m	0.770 m to 0.969 m	0.880 m
17 February 2026	0.810 m	0.770 m to 0.960 m	0.880 m
18 February 2026	0.810 m	0.770 m to 0.960 m	0.880 m
19 February 2026	0.810 m	0.770 m to 0.960 m	0.880 m
20 February 2026	0.810 m	0.770 m to 0.960 m	0.880 m
21 February 2026	0.800 m	0.770 m to 0.960 m	0.880 m
22 February 2026	0.810 m	0.761 m to 0.960 m	0.880 m
23 February 2026	0.810 m	0.760 m to 0.960 m	0.880 m
24 February 2026	0.810 m	0.760 m to 0.960 m	0.880 m
25 February 2026	0.800 m	0.760 m to 0.950 m	0.880 m
26 February 2026	0.810 m	0.760 m to 0.950 m	0.880 m
27 February 2026	0.820 m	0.760 m to 0.950 m	0.870 m
28 February 2026	0.820 m	0.756 m to 0.950 m	0.870 m
1 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
2 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
3 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
4 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
5 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
6 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
7 March 2026	0.820 m	0.750 m to 0.950 m	0.870 m
8 March 2026	0.810 m	0.750 m to 0.950 m	0.870 m
9 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
10 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
11 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
12 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
13 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
14 March 2026	0.810 m	0.750 m to 0.940 m	0.870 m
15 March 2026	0.820 m	0.750 m to 0.940 m	0.870 m
16 March 2026	0.830 m	0.750 m to 0.940 m	0.870 m
17 March 2026	0.840 m	0.750 m to 0.940 m	0.870 m
18 March 2026	0.840 m	0.750 m to 0.940 m	0.870 m
19 March 2026	0.850 m	0.750 m to 0.940 m	0.870 m
20 March 2026	0.850 m	0.750 m to 0.940 m	0.870 m
21 March 2026	0.860 m	0.750 m to 0.940 m	0.860 m
22 March 2026	0.860 m	0.750 m to 0.940 m	0.860 m
23 March 2026	0.870 m	0.750 m to 0.940 m	0.860 m
24 March 2026	0.880 m	0.750 m to 0.940 m	0.860 m
25 March 2026	0.880 m	0.750 m to 0.950 m	0.860 m
26 March 2026	0.890 m	0.750 m to 0.950 m	0.860 m
27 March 2026	0.900 m	0.750 m to 0.950 m	0.860 m
28 March 2026	0.900 m	0.750 m to 0.950 m	0.860 m
29 March 2026	0.900 m	0.750 m to 0.950 m	0.860 m
30 March 2026	0.910 m	0.750 m to 0.960 m	0.860 m
31 March 2026	0.910 m	0.750 m to 0.960 m	0.860 m
1 April 2026	0.910 m	0.750 m to 0.960 m	0.860 m
2 April 2026	0.910 m	0.760 m to 0.960 m	0.860 m
3 April 2026	0.910 m	0.760 m to 0.960 m	0.860 m
4 April 2026	0.910 m	0.760 m to 0.970 m	0.860 m
5 April 2026	0.910 m	0.770 m to 0.980 m	0.860 m
6 April 2026	0.920 m	0.770 m to 0.980 m	0.860 m
7 April 2026	0.920 m	0.770 m to 0.990 m	0.870 m
8 April 2026	0.920 m	0.770 m to 0.990 m	0.870 m
9 April 2026	0.920 m	0.770 m to 0.990 m	0.870 m
10 April 2026	0.920 m	0.770 m to 1.000 m	0.880 m
11 April 2026	0.920 m	0.780 m to 1.010 m	0.880 m
12 April 2026	0.920 m	0.780 m to 1.020 m	0.880 m
13 April 2026	0.920 m	0.780 m to 1.040 m	0.890 m
14 April 2026	0.910 m	0.780 m to 1.050 m	0.900 m
15 April 2026	0.910 m	0.780 m to 1.060 m	0.900 m
16 April 2026	0.910 m	0.790 m to 1.060 m	0.910 m
17 April 2026	0.910 m	0.790 m to 1.070 m	0.920 m
18 April 2026	0.900 m	0.790 m to 1.080 m	0.920 m
19 April 2026	0.900 m	0.790 m to 1.090 m	0.930 m
20 April 2026	0.900 m	0.800 m to 1.104 m	0.940 m
21 April 2026	0.890 m	0.800 m to 1.120 m	0.950 m
22 April 2026	0.890 m	0.810 m to 1.144 m	0.960 m
23 April 2026	0.880 m	0.810 m to 1.160 m	0.970 m
24 April 2026	0.880 m	0.810 m to 1.170 m	0.980 m
25 April 2026	0.880 m	0.820 m to 1.180 m	0.990 m
26 April 2026	0.870 m	0.820 m to 1.180 m	1.000 m
27 April 2026	0.870 m	0.830 m to 1.190 m	1.010 m
28 April 2026	0.860 m	0.836 m to 1.200 m	1.030 m
29 April 2026	0.860 m	0.840 m to 1.210 m	1.040 m
30 April 2026	0.860 m	0.840 m to 1.220 m	1.050 m
1 May 2026	0.850 m	0.850 m to 1.220 m	1.060 m
2 May 2026	0.850 m	0.860 m to 1.230 m	1.070 m
3 May 2026	0.850 m	0.870 m to 1.240 m	1.070 m
4 May 2026	0.850 m	0.880 m to 1.240 m	1.080 m
5 May 2026	0.850 m	0.900 m to 1.250 m	1.080 m
6 May 2026	0.840 m	0.900 m to 1.250 m	1.080 m
7 May 2026	0.840 m	0.910 m to 1.260 m	1.090 m
8 May 2026	0.830 m	0.920 m to 1.260 m	1.090 m
9 May 2026	0.830 m	0.920 m to 1.270 m	1.090 m
10 May 2026	0.830 m	0.920 m to 1.270 m	1.090 m
11 May 2026	0.820 m	0.920 m to 1.270 m	1.090 m
12 May 2026	0.820 m	0.920 m to 1.270 m	1.090 m
13 May 2026	0.820 m	0.920 m to 1.270 m	1.090 m
14 May 2026	0.830 m	0.926 m to 1.270 m	1.090 m
15 May 2026	0.820 m	0.930 m to 1.270 m	1.090 m
16 May 2026	0.820 m	0.930 m to 1.270 m	1.090 m
17 May 2026	0.830 m	0.930 m to 1.260 m	1.090 m
18 May 2026	0.820 m	0.930 m to 1.260 m	1.090 m
19 May 2026	0.820 m	0.940 m to 1.250 m	1.090 m
20 May 2026	0.820 m	0.940 m to 1.250 m	1.090 m
21 May 2026	0.820 m	0.940 m to 1.240 m	1.090 m
22 May 2026	0.830 m	0.946 m to 1.240 m	1.080 m
23 May 2026	0.850 m	0.940 m to 1.240 m	1.080 m
24 May 2026	0.860 m	0.940 m to 1.230 m	1.080 m
25 May 2026	0.860 m	0.940 m to 1.230 m	1.080 m
26 May 2026	0.850 m	0.930 m to 1.230 m	1.070 m
27 May 2026	0.840 m	0.930 m to 1.224 m	1.070 m
28 May 2026	0.830 m	0.920 m to 1.220 m	1.070 m
29 May 2026	0.830 m	0.920 m to 1.220 m	1.060 m
30 May 2026	0.820 m	0.910 m to 1.220 m	1.060 m
31 May 2026	0.820 m	0.910 m to 1.220 m	1.060 m
1 June 2026	0.820 m	0.900 m to 1.210 m	1.050 m
2 June 2026	0.810 m	0.896 m to 1.210 m	1.050 m
3 June 2026	0.820 m	0.890 m to 1.210 m	1.040 m
4 June 2026	0.820 m	0.890 m to 1.200 m	1.040 m
5 June 2026	0.810 m	0.890 m to 1.200 m	1.030 m
6 June 2026	0.810 m	0.886 m to 1.190 m	1.030 m
7 June 2026	0.810 m	0.880 m to 1.180 m	1.030 m
8 June 2026	0.810 m	0.880 m to 1.180 m	1.020 m
9 June 2026	0.800 m	0.880 m to 1.170 m	1.020 m
10 June 2026	0.800 m	0.880 m to 1.170 m	1.020 m
11 June 2026	0.790 m	0.870 m to 1.170 m	1.010 m
12 June 2026	0.800 m	0.870 m to 1.164 m	1.010 m
13 June 2026	0.790 m	0.870 m to 1.160 m	1.000 m
14 June 2026	0.800 m	0.860 m to 1.160 m	1.000 m
15 June 2026	0.790 m	0.860 m to 1.150 m	1.000 m
16 June 2026	0.790 m	0.860 m to 1.150 m	1.000 m
17 June 2026	0.800 m	0.860 m to 1.150 m	0.990 m
18 June 2026	0.800 m	0.850 m to 1.140 m	0.990 m
19 June 2026	0.790 m	0.850 m to 1.140 m	0.980 m
20 June 2026	0.790 m	0.846 m to 1.134 m	0.980 m
21 June 2026	0.790 m	0.840 m to 1.130 m	0.970 m
22 June 2026	0.780 m	0.840 m to 1.130 m	0.970 m
23 June 2026	0.770 m	0.830 m to 1.120 m	0.960 m
24 June 2026	0.760 m	0.830 m to 1.120 m	0.960 m
25 June 2026	0.760 m	0.830 m to 1.110 m	0.950 m
26 June 2026	0.760 m	0.830 m to 1.110 m	0.950 m
27 June 2026	0.750 m	0.830 m to 1.100 m	0.950 m
28 June 2026	0.750 m	0.830 m to 1.100 m	0.940 m
29 June 2026	0.740 m	0.830 m to 1.090 m	0.940 m
30 June 2026	0.740 m	0.820 m to 1.090 m	0.930 m
1 July 2026	0.740 m	0.820 m to 1.080 m	0.920 m
2 July 2026	0.740 m	0.820 m to 1.080 m	0.920 m
3 July 2026	0.750 m	0.820 m to 1.070 m	0.920 m
4 July 2026	0.760 m	0.820 m to 1.070 m	0.910 m
5 July 2026	0.760 m	0.820 m to 1.070 m	0.910 m
6 July 2026	0.750 m	0.810 m to 1.064 m	0.910 m
7 July 2026	0.750 m	0.810 m to 1.060 m	0.900 m
8 July 2026	0.750 m	0.800 m to 1.060 m	0.900 m
9 July 2026	0.740 m	0.800 m to 1.050 m	0.900 m
10 July 2026	0.750 m	0.800 m to 1.040 m	0.900 m
11 July 2026	0.750 m	0.800 m to 1.040 m	0.890 m
12 July 2026	0.750 m	0.790 m to 1.030 m	0.890 m
13 July 2026	0.740 m	0.790 m to 1.030 m	0.890 m
14 July 2026	0.740 m	0.790 m to 1.020 m	0.880 m
15 July 2026	0.730 m	0.780 m to 1.020 m	0.880 m
16 July 2026	0.730 m	0.780 m to 1.010 m	0.880 m
17 July 2026	0.730 m	0.780 m to 1.010 m	0.880 m
18 July 2026	0.720 m	0.770 m to 1.000 m	0.880 m
19 July 2026	0.720 m	0.770 m to 1.000 m	0.870 m
20 July 2026	0.720 m	0.770 m to 0.990 m	0.870 m
21 July 2026	0.710 m	0.770 m to 0.990 m	0.870 m
22 July 2026	0.700 m	0.770 m to 0.990 m	0.860 m
23 July 2026	0.700 m	0.770 m to 0.990 m	0.860 m
24 July 2026	0.700 m	0.760 m to 0.990 m	0.860 m
25 July 2026	0.700 m	0.760 m to 0.990 m	0.860 m
26 July 2026	0.690 m	0.760 m to 0.990 m	0.860 m
27 July 2026	0.690 m	0.760 m to 0.990 m	0.860 m
28 July 2026	0.700 m	0.760 m to 0.990 m	0.850 m
29 July 2026	0.690 m	0.750 m to 0.990 m	0.850 m
30 July 2026	0.690 m	0.750 m to 0.990 m	0.850 m
31 July 2026	0.690 m	0.750 m to 0.990 m	0.850 m
1 August 2026	0.700 m	0.750 m to 0.990 m	0.840 m
2 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m
3 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m
4 August 2026	0.690 m	0.750 m to 0.990 m	0.840 m
5 August 2026	0.680 m	0.740 m to 0.990 m	0.840 m
6 August 2026	0.690 m	0.740 m to 0.990 m	0.830 m
7 August 2026	0.690 m	0.740 m to 0.984 m	0.830 m
8 August 2026	0.680 m	0.730 m to 0.980 m	0.830 m
9 August 2026	0.670 m	0.730 m to 0.980 m	0.830 m
10 August 2026	0.670 m	0.730 m to 0.980 m	0.820 m
11 August 2026	0.690 m	0.730 m to 0.980 m	0.820 m
12 August 2026	0.680 m	0.730 m to 0.980 m	0.820 m
13 August 2026	0.740 m	0.720 m to 0.980 m	0.820 m
14 August 2026	0.820 m	0.720 m to 0.980 m	0.820 m
15 August 2026	0.680 m	0.720 m to 0.980 m	0.820 m
16 August 2026	0.680 m	0.720 m to 0.980 m	0.820 m
17 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m
18 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m
19 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m
20 August 2026	0.680 m	0.720 m to 0.980 m	0.810 m
21 August 2026	0.670 m	0.720 m to 0.980 m	0.810 m
22 August 2026	0.670 m	0.710 m to 0.980 m	0.810 m
23 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m
24 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m
25 August 2026	0.680 m	0.710 m to 0.980 m	0.810 m
26 August 2026	0.670 m	0.710 m to 0.984 m	0.810 m
27 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m
28 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m
29 August 2026	0.660 m	0.700 m to 0.990 m	0.810 m
30 August 2026	0.660 m	0.700 m to 0.990 m	0.810 m
31 August 2026	0.670 m	0.700 m to 0.990 m	0.810 m
1 September 2026	0.680 m	0.700 m to 0.990 m	0.810 m
2 September 2026	0.680 m	0.700 m to 0.990 m	0.810 m
3 September 2026	0.680 m	0.690 m to 0.990 m	0.810 m
4 September 2026	0.690 m	0.690 m to 0.990 m	0.810 m
5 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m
6 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m
7 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m
8 September 2026	0.680 m	0.690 m to 0.980 m	0.810 m
9 September 2026	0.690 m	0.690 m to 0.980 m	0.810 m
10 September 2026	0.700 m	0.690 m to 0.980 m	0.810 m
11 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
12 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
13 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
14 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
15 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
16 September 2026	0.710 m	0.690 m to 0.970 m	0.810 m
17 September 2026	0.720 m	0.690 m to 0.970 m	0.810 m
18 September 2026	0.720 m	0.690 m to 0.979 m	0.810 m
19 September 2026	0.720 m	0.690 m to 0.980 m	0.810 m
20 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m
21 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m
22 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m
23 September 2026	0.740 m	0.690 m to 0.980 m	0.820 m
24 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m
25 September 2026	0.750 m	0.690 m to 0.980 m	0.820 m
26 September 2026	0.760 m	0.690 m to 0.980 m	0.820 m
27 September 2026	0.790 m	0.690 m to 0.990 m	0.820 m
28 September 2026	0.790 m	0.690 m to 0.990 m	0.820 m
29 September 2026	0.800 m	0.690 m to 0.990 m	0.820 m
30 September 2026	0.800 m	0.690 m to 0.990 m	0.830 m
1 October 2026	0.800 m	0.690 m to 0.990 m	0.830 m
2 October 2026	0.800 m	0.681 m to 0.990 m	0.830 m
3 October 2026	0.800 m	0.680 m to 0.990 m	0.830 m
4 October 2026	0.810 m	0.680 m to 1.000 m	0.830 m
5 October 2026	0.810 m	0.680 m to 1.000 m	0.840 m
6 October 2026	0.820 m	0.680 m to 1.010 m	0.840 m
7 October 2026	0.810 m	0.680 m to 1.010 m	0.840 m
8 October 2026	0.810 m	0.680 m to 1.010 m	0.840 m
9 October 2026	0.820 m	0.680 m to 1.020 m	0.850 m
10 October 2026	0.850 m	0.680 m to 1.030 m	0.850 m
11 October 2026	0.860 m	0.680 m to 1.030 m	0.850 m
12 October 2026	0.860 m	0.680 m to 1.040 m	0.850 m
13 October 2026	0.860 m	0.680 m to 1.040 m	0.850 m
14 October 2026	0.870 m	0.680 m to 1.040 m	0.850 m
15 October 2026	0.870 m	0.680 m to 1.040 m	0.850 m
16 October 2026	0.870 m	0.690 m to 1.050 m	0.850 m
17 October 2026	0.890 m	0.690 m to 1.050 m	0.850 m
18 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m
19 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m
20 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m
21 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m
22 October 2026	0.900 m	0.690 m to 1.050 m	0.860 m
23 October 2026	0.900 m	0.690 m to 1.050 m	0.870 m
24 October 2026	0.910 m	0.690 m to 1.050 m	0.870 m
25 October 2026	0.910 m	0.690 m to 1.050 m	0.870 m
26 October 2026	0.910 m	0.690 m to 1.059 m	0.870 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of Lake Synsiä 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	0.693 m
31 October 2016	0.720 m
7 November 2016	0.724 m
14 November 2016	0.734 m
21 November 2016	0.796 m
28 November 2016	0.843 m
5 December 2016	0.850 m
12 December 2016	0.846 m
19 December 2016	0.840 m
26 December 2016	0.850 m
2 January 2017	0.846 m
9 January 2017	0.833 m
16 January 2017	0.823 m
23 January 2017	0.811 m
30 January 2017	0.799 m
6 February 2017	0.786 m
13 February 2017	0.771 m
20 February 2017	0.774 m
27 February 2017	0.776 m
6 March 2017	0.771 m
13 March 2017	0.767 m
20 March 2017	0.773 m
27 March 2017	0.781 m
3 April 2017	0.806 m
10 April 2017	0.871 m
17 April 2017	0.884 m
24 April 2017	0.903 m
1 May 2017	0.930 m
8 May 2017	0.921 m
15 May 2017	0.900 m
22 May 2017	0.877 m
29 May 2017	0.850 m
5 June 2017	0.824 m
12 June 2017	0.816 m
19 June 2017	0.804 m
26 June 2017	0.794 m
3 July 2017	0.769 m
10 July 2017	0.771 m
17 July 2017	0.796 m
24 July 2017	0.800 m
31 July 2017	0.801 m
7 August 2017	0.859 m
14 August 2017	0.853 m
21 August 2017	0.834 m
28 August 2017	0.823 m
4 September 2017	0.813 m
11 September 2017	0.876 m
18 September 2017	0.884 m
25 September 2017	0.874 m
2 October 2017	0.867 m
9 October 2017	0.916 m
16 October 2017	0.956 m
23 October 2017	0.956 m
30 October 2017	0.956 m
6 November 2017	0.967 m
13 November 2017	1.004 m
20 November 2017	1.021 m
27 November 2017	1.054 m
4 December 2017	1.089 m
11 December 2017	1.099 m
18 December 2017	1.089 m
25 December 2017	1.086 m
1 January 2018	1.094 m
8 January 2018	1.109 m
15 January 2018	1.077 m
22 January 2018	1.057 m
29 January 2018	1.053 m
5 February 2018	1.031 m
12 February 2018	1.000 m
19 February 2018	0.967 m
26 February 2018	0.933 m
5 March 2018	0.903 m
12 March 2018	0.897 m
19 March 2018	0.881 m
26 March 2018	0.860 m
2 April 2018	0.857 m
9 April 2018	0.877 m
16 April 2018	0.981 m
23 April 2018	1.146 m
30 April 2018	1.237 m
7 May 2018	1.249 m
14 May 2018	1.190 m
21 May 2018	1.113 m
28 May 2018	1.033 m
4 June 2018	0.953 m
11 June 2018	0.897 m
18 June 2018	0.867 m
25 June 2018	0.841 m
2 July 2018	0.820 m
9 July 2018	0.806 m
16 July 2018	0.771 m
23 July 2018	0.737 m
30 July 2018	0.700 m
6 August 2018	0.663 m
13 August 2018	0.636 m
20 August 2018	0.624 m
27 August 2018	0.624 m
3 September 2018	0.616 m
10 September 2018	0.627 m
17 September 2018	0.644 m
24 September 2018	0.640 m
1 October 2018	0.640 m
8 October 2018	0.649 m
15 October 2018	0.656 m
22 October 2018	0.663 m
29 October 2018	0.669 m
5 November 2018	0.680 m
12 November 2018	0.693 m
19 November 2018	0.690 m
26 November 2018	0.683 m
3 December 2018	0.683 m
10 December 2018	0.690 m
17 December 2018	0.690 m
24 December 2018	0.690 m
31 December 2018	0.714 m
7 January 2019	0.711 m
14 January 2019	0.720 m
21 January 2019	0.719 m
28 January 2019	0.720 m
4 February 2019	0.729 m
11 February 2019	0.744 m
18 February 2019	0.740 m
25 February 2019	0.740 m
4 March 2019	0.741 m
11 March 2019	0.747 m
18 March 2019	0.767 m
25 March 2019	0.770 m
1 April 2019	0.789 m
8 April 2019	0.870 m
15 April 2019	0.914 m
22 April 2019	1.014 m
29 April 2019	1.064 m
6 May 2019	1.069 m
13 May 2019	1.094 m
20 May 2019	1.066 m
27 May 2019	1.064 m
3 June 2019	1.036 m
10 June 2019	0.976 m
17 June 2019	0.941 m
24 June 2019	0.893 m
1 July 2019	0.849 m
8 July 2019	0.814 m
15 July 2019	0.776 m
22 July 2019	0.744 m
29 July 2019	0.696 m
5 August 2019	0.666 m
12 August 2019	0.660 m
19 August 2019	0.650 m
26 August 2019	0.641 m
2 September 2019	0.641 m
9 September 2019	0.641 m
16 September 2019	0.654 m
23 September 2019	0.640 m
30 September 2019	0.649 m
7 October 2019	0.654 m
14 October 2019	0.667 m
21 October 2019	0.693 m
28 October 2019	0.691 m
4 November 2019	0.696 m
11 November 2019	0.730 m
18 November 2019	0.779 m
25 November 2019	0.810 m
2 December 2019	0.864 m
9 December 2019	0.927 m
16 December 2019	0.954 m
23 December 2019	0.964 m
30 December 2019	0.971 m
6 January 2020	0.993 m
13 January 2020	1.019 m
20 January 2020	1.039 m
27 January 2020	1.034 m
3 February 2020	1.020 m
10 February 2020	1.013 m
17 February 2020	no value
24 February 2020	no value
2 March 2020	1.070 m
9 March 2020	1.057 m
16 March 2020	1.049 m
23 March 2020	1.019 m
30 March 2020	0.997 m
6 April 2020	0.979 m
13 April 2020	0.986 m
20 April 2020	0.971 m
27 April 2020	0.943 m
4 May 2020	0.921 m
11 May 2020	0.917 m
18 May 2020	0.913 m
25 May 2020	0.881 m
1 June 2020	0.840 m
8 June 2020	0.816 m
15 June 2020	0.791 m
22 June 2020	0.761 m
29 June 2020	0.833 m
6 July 2020	0.901 m
13 July 2020	0.894 m
20 July 2020	0.881 m
27 July 2020	0.920 m
3 August 2020	0.913 m
10 August 2020	0.873 m
17 August 2020	0.837 m
24 August 2020	0.823 m
31 August 2020	0.793 m
7 September 2020	0.803 m
14 September 2020	0.837 m
21 September 2020	0.840 m
28 September 2020	0.827 m
5 October 2020	0.820 m
12 October 2020	0.816 m
19 October 2020	0.831 m
26 October 2020	0.889 m
2 November 2020	0.914 m
9 November 2020	0.909 m
16 November 2020	0.931 m
23 November 2020	0.977 m
30 November 2020	0.987 m
7 December 2020	0.981 m
14 December 2020	0.971 m
21 December 2020	0.999 m
28 December 2020	1.013 m
4 January 2021	1.009 m
11 January 2021	0.990 m
18 January 2021	0.967 m
25 January 2021	0.970 m
1 February 2021	0.954 m
8 February 2021	0.930 m
15 February 2021	0.909 m
22 February 2021	0.917 m
1 March 2021	0.904 m
8 March 2021	0.891 m
15 March 2021	0.883 m
22 March 2021	0.870 m
29 March 2021	0.891 m
5 April 2021	0.970 m
12 April 2021	1.066 m
19 April 2021	1.137 m
26 April 2021	1.166 m
3 May 2021	1.137 m
10 May 2021	1.110 m
17 May 2021	1.123 m
24 May 2021	1.157 m
31 May 2021	1.117 m
7 June 2021	1.051 m
14 June 2021	0.991 m
21 June 2021	0.956 m
28 June 2021	0.931 m
5 July 2021	0.880 m
12 July 2021	0.829 m
19 July 2021	0.771 m
26 July 2021	0.739 m
2 August 2021	0.731 m
9 August 2021	0.719 m
16 August 2021	0.724 m
23 August 2021	0.739 m
30 August 2021	0.749 m
6 September 2021	0.739 m
13 September 2021	0.740 m
20 September 2021	0.724 m
27 September 2021	0.719 m
4 October 2021	0.721 m
11 October 2021	0.736 m
18 October 2021	0.764 m
25 October 2021	0.829 m
1 November 2021	0.851 m
8 November 2021	0.880 m
15 November 2021	0.894 m
22 November 2021	0.906 m
29 November 2021	0.903 m
6 December 2021	0.890 m
13 December 2021	0.889 m
20 December 2021	0.883 m
27 December 2021	0.870 m
3 January 2022	0.869 m
10 January 2022	0.853 m
17 January 2022	0.851 m
24 January 2022	0.851 m
31 January 2022	0.861 m
7 February 2022	0.866 m
14 February 2022	0.890 m
21 February 2022	0.903 m
28 February 2022	0.901 m
7 March 2022	0.889 m
14 March 2022	0.874 m
21 March 2022	0.867 m
28 March 2022	0.890 m
4 April 2022	0.909 m
11 April 2022	0.939 m
18 April 2022	1.026 m
25 April 2022	1.163 m
2 May 2022	1.221 m
9 May 2022	1.296 m
16 May 2022	1.293 m
23 May 2022	1.231 m
30 May 2022	1.177 m
6 June 2022	1.131 m
13 June 2022	1.079 m
20 June 2022	1.037 m
27 June 2022	0.980 m
4 July 2022	0.924 m
11 July 2022	0.889 m
18 July 2022	0.856 m
25 July 2022	0.829 m
1 August 2022	0.789 m
8 August 2022	0.754 m
15 August 2022	0.730 m
22 August 2022	0.711 m
29 August 2022	0.674 m
5 September 2022	0.643 m
12 September 2022	0.634 m
19 September 2022	0.631 m
26 September 2022	0.620 m
3 October 2022	0.630 m
10 October 2022	0.640 m
17 October 2022	0.650 m
24 October 2022	0.643 m
31 October 2022	0.650 m
7 November 2022	0.673 m
14 November 2022	0.690 m
21 November 2022	0.690 m
28 November 2022	0.691 m
5 December 2022	0.699 m
12 December 2022	0.719 m
19 December 2022	0.727 m
26 December 2022	0.739 m
2 January 2023	0.747 m
9 January 2023	0.754 m
16 January 2023	0.796 m
23 January 2023	0.816 m
30 January 2023	0.837 m
6 February 2023	0.830 m
13 February 2023	0.826 m
20 February 2023	0.830 m
27 February 2023	0.817 m
6 March 2023	0.809 m
13 March 2023	0.809 m
20 March 2023	0.830 m
27 March 2023	0.857 m
3 April 2023	0.850 m
10 April 2023	0.861 m
17 April 2023	0.920 m
24 April 2023	1.064 m
1 May 2023	1.201 m
8 May 2023	1.216 m
15 May 2023	1.171 m
22 May 2023	1.117 m
29 May 2023	1.053 m
5 June 2023	0.999 m
12 June 2023	0.944 m
19 June 2023	0.894 m
26 June 2023	0.867 m
3 July 2023	0.867 m
10 July 2023	0.843 m
17 July 2023	0.797 m
24 July 2023	0.803 m
31 July 2023	0.906 m
7 August 2023	0.913 m
14 August 2023	0.881 m
21 August 2023	0.883 m
28 August 2023	0.933 m
4 September 2023	0.939 m
11 September 2023	0.917 m
18 September 2023	0.917 m
25 September 2023	0.921 m
2 October 2023	0.943 m
9 October 2023	1.023 m
16 October 2023	1.064 m
23 October 2023	1.040 m
30 October 2023	1.033 m
6 November 2023	1.081 m
13 November 2023	1.126 m
20 November 2023	1.107 m
27 November 2023	1.080 m
4 December 2023	1.047 m
11 December 2023	1.019 m
18 December 2023	1.003 m
25 December 2023	0.983 m
1 January 2024	0.950 m
8 January 2024	0.919 m
15 January 2024	0.901 m
22 January 2024	0.891 m
29 January 2024	0.880 m
5 February 2024	0.867 m
12 February 2024	0.856 m
19 February 2024	0.871 m
26 February 2024	0.883 m
4 March 2024	no value
11 March 2024	0.870 m
18 March 2024	0.923 m
25 March 2024	0.941 m
1 April 2024	0.980 m
8 April 2024	1.077 m
15 April 2024	1.250 m
22 April 2024	1.271 m
29 April 2024	1.306 m
6 May 2024	1.276 m
13 May 2024	1.214 m
20 May 2024	1.143 m
27 May 2024	1.081 m
3 June 2024	1.036 m
10 June 2024	0.987 m
17 June 2024	0.944 m
24 June 2024	0.896 m
1 July 2024	0.864 m
8 July 2024	0.826 m
15 July 2024	0.813 m
22 July 2024	0.807 m
29 July 2024	0.799 m
5 August 2024	0.776 m
12 August 2024	0.759 m
19 August 2024	0.736 m
26 August 2024	0.720 m
2 September 2024	0.696 m
9 September 2024	0.683 m
16 September 2024	0.704 m
23 September 2024	0.697 m
30 September 2024	0.703 m
7 October 2024	0.704 m
14 October 2024	0.720 m
21 October 2024	0.720 m
28 October 2024	0.716 m
4 November 2024	0.711 m
11 November 2024	0.714 m
18 November 2024	0.726 m
25 November 2024	0.784 m
2 December 2024	0.831 m
9 December 2024	0.841 m
16 December 2024	0.864 m
23 December 2024	0.871 m
30 December 2024	0.886 m
6 January 2025	0.880 m
13 January 2025	0.870 m
20 January 2025	0.861 m
27 January 2025	0.883 m
3 February 2025	0.897 m
10 February 2025	0.886 m
17 February 2025	0.869 m
24 February 2025	0.860 m
3 March 2025	0.873 m
10 March 2025	no value
17 March 2025	no value
24 March 2025	no value
31 March 2025	0.972 m
7 April 2025	0.990 m
14 April 2025	0.993 m
21 April 2025	0.994 m
28 April 2025	0.973 m
5 May 2025	0.949 m
12 May 2025	0.919 m
19 May 2025	0.887 m
26 May 2025	0.866 m
2 June 2025	0.836 m
9 June 2025	0.799 m
16 June 2025	0.780 m
23 June 2025	0.813 m
30 June 2025	0.856 m
7 July 2025	0.876 m
14 July 2025	0.857 m
21 July 2025	0.813 m
28 July 2025	0.780 m
4 August 2025	0.777 m
11 August 2025	0.750 m
18 August 2025	0.717 m
25 August 2025	0.677 m
1 September 2025	0.690 m
8 September 2025	0.680 m
15 September 2025	0.704 m
22 September 2025	0.717 m
29 September 2025	0.700 m
6 October 2025	0.699 m
13 October 2025	0.696 m
20 October 2025	0.693 m
27 October 2025	0.727 m
3 November 2025	0.757 m
10 November 2025	0.777 m
17 November 2025	0.801 m
24 November 2025	0.814 m
1 December 2025	0.849 m
8 December 2025	0.894 m
15 December 2025	0.927 m
22 December 2025	0.956 m
29 December 2025	0.957 m
5 January 2026	0.939 m
12 January 2026	0.917 m
19 January 2026	0.897 m
26 January 2026	0.873 m
2 February 2026	0.850 m
9 February 2026	0.829 m
16 February 2026	0.810 m
23 February 2026	0.813 m
2 March 2026	0.819 m
9 March 2026	0.811 m
16 March 2026	0.847 m
23 March 2026	0.889 m
30 March 2026	0.910 m
6 April 2026	0.920 m
13 April 2026	0.909 m
20 April 2026	0.884 m
27 April 2026	0.857 m
4 May 2026	0.839 m
11 May 2026	0.823 m
18 May 2026	0.831 m
25 May 2026	0.836 m
1 June 2026	0.814 m
8 June 2026	0.799 m
15 June 2026	0.793 m
22 June 2026	0.761 m
29 June 2026	0.747 m
6 July 2026	0.749 m
13 July 2026	0.730 m
20 July 2026	0.703 m
27 July 2026	0.693 m
3 August 2026	0.684 m
10 August 2026	0.709 m
17 August 2026	0.677 m
24 August 2026	0.670 m
31 August 2026	0.680 m
7 September 2026	0.697 m
14 September 2026	0.719 m
21 September 2026	0.754 m
28 September 2026	0.800 m
5 October 2026	0.826 m
12 October 2026	0.874 m
19 October 2026	0.903 m
26 October 2026	no value

The whole record since 1910, monthly averages

Level
Our record

Monthly averages of Lake Synsiä from 1 January 1910 to 26 October 2026.

Table: The whole record since 1910, monthly averages

Month starting	Monthly average (m)
1 January 1910	0.967 m
1 February 1910	0.963 m
1 March 1910	0.968 m
1 April 1910	1.067 m
1 May 1910	1.231 m
1 June 1910	1.005 m
1 July 1910	0.888 m
1 August 1910	0.891 m
1 September 1910	0.815 m
1 October 1910	0.819 m
1 November 1910	0.805 m
1 December 1910	0.842 m
1 January 1911	0.895 m
1 February 1911	0.878 m
1 March 1911	0.876 m
1 April 1911	0.857 m
1 May 1911	1.206 m
1 June 1911	0.992 m
1 July 1911	0.834 m
1 August 1911	0.749 m
1 September 1911	0.830 m
1 October 1911	0.930 m
1 November 1911	1.099 m
1 December 1911	1.072 m
1 January 1912	0.976 m
1 February 1912	0.897 m
1 March 1912	0.879 m
1 April 1912	0.967 m
1 May 1912	1.188 m
1 June 1912	1.165 m
1 July 1912	0.957 m
1 August 1912	0.807 m
1 September 1912	0.903 m
1 October 1912	1.032 m
1 November 1912	1.012 m
1 December 1912	1.019 m
1 January 1913	0.969 m
1 February 1913	0.905 m
1 March 1913	0.900 m
1 April 1913	0.976 m
1 May 1913	1.134 m
1 June 1913	0.964 m
1 July 1913	0.848 m
1 August 1913	0.761 m
1 September 1913	0.731 m
1 October 1913	0.692 m
1 November 1913	0.753 m
1 December 1913	0.852 m
1 January 1914	0.857 m
1 February 1914	0.872 m
1 March 1914	0.865 m
1 April 1914	0.923 m
1 May 1914	1.075 m
1 June 1914	1.002 m
1 July 1914	0.830 m
1 August 1914	0.739 m
1 September 1914	0.714 m
1 October 1914	0.734 m
1 November 1914	0.747 m
1 December 1914	0.828 m
1 January 1915	0.851 m
1 February 1915	0.840 m
1 March 1915	0.805 m
1 April 1915	0.849 m
1 May 1915	0.994 m
1 June 1915	1.003 m
1 July 1915	0.909 m
1 August 1915	0.799 m
1 September 1915	0.818 m
1 October 1915	0.847 m
1 November 1915	0.864 m
1 December 1915	0.889 m
1 January 1916	0.857 m
1 February 1916	0.838 m
1 March 1916	0.810 m
1 April 1916	0.864 m
1 May 1916	1.257 m
1 June 1916	1.073 m
1 July 1916	0.961 m
1 August 1916	0.825 m
1 September 1916	0.785 m
1 October 1916	0.802 m
1 November 1916	0.954 m
1 December 1916	0.977 m
1 January 1917	0.915 m
1 February 1917	0.828 m
1 March 1917	0.808 m
1 April 1917	0.842 m
1 May 1917	0.996 m
1 June 1917	0.994 m
1 July 1917	0.855 m
1 August 1917	0.722 m
1 September 1917	0.750 m
1 October 1917	0.883 m
1 November 1917	0.978 m
1 December 1917	1.017 m
1 January 1918	0.958 m
1 February 1918	0.850 m
1 March 1918	0.812 m
1 April 1918	0.875 m
1 May 1918	1.006 m
1 June 1918	0.928 m
1 July 1918	0.907 m
1 August 1918	0.832 m
1 September 1918	0.882 m
1 October 1918	0.992 m
1 November 1918	0.991 m
1 December 1918	0.945 m
1 January 1919	0.871 m
1 February 1919	0.850 m
1 March 1919	0.835 m
1 April 1919	0.870 m
1 May 1919	1.165 m
1 June 1919	0.981 m
1 July 1919	0.964 m
1 August 1919	0.901 m
1 September 1919	0.871 m
1 October 1919	0.888 m
1 November 1919	0.860 m
1 December 1919	0.837 m
1 January 1920	0.820 m
1 February 1920	0.800 m
1 March 1920	0.866 m
1 April 1920	1.175 m
1 May 1920	1.355 m
1 June 1920	1.132 m
1 July 1920	0.859 m
1 August 1920	0.802 m
1 September 1920	0.771 m
1 October 1920	0.716 m
1 November 1920	0.699 m
1 December 1920	0.703 m
1 January 1921	0.707 m
1 February 1921	0.700 m
1 March 1921	0.724 m
1 April 1921	0.901 m
1 May 1921	0.909 m
1 June 1921	0.770 m
1 July 1921	0.736 m
1 August 1921	0.764 m
1 September 1921	0.724 m
1 October 1921	0.737 m
1 November 1921	0.798 m
1 December 1921	0.791 m
1 January 1922	0.783 m
1 February 1922	0.760 m
1 March 1922	0.743 m
1 April 1922	0.771 m
1 May 1922	1.302 m
1 June 1922	1.290 m
1 July 1922	1.072 m
1 August 1922	0.897 m
1 September 1922	0.997 m
1 October 1922	0.987 m
1 November 1922	0.996 m
1 December 1922	0.970 m
1 January 1923	0.943 m
1 February 1923	0.907 m
1 March 1923	0.859 m
1 April 1923	0.892 m
1 May 1923	1.036 m
1 June 1923	1.105 m
1 July 1923	0.975 m
1 August 1923	0.814 m
1 September 1923	0.869 m
1 October 1923	0.961 m
1 November 1923	1.090 m
1 December 1923	1.058 m
1 January 1924	1.014 m
1 February 1924	0.974 m
1 March 1924	0.917 m
1 April 1924	0.881 m
1 May 1924	1.174 m
1 June 1924	1.305 m
1 July 1924	1.224 m
1 August 1924	0.935 m
1 September 1924	0.885 m
1 October 1924	1.069 m
1 November 1924	1.000 m
1 December 1924	0.942 m
1 January 1925	0.959 m
1 February 1925	0.964 m
1 March 1925	0.977 m
1 April 1925	1.056 m
1 May 1925	1.080 m
1 June 1925	1.043 m
1 July 1925	0.872 m
1 August 1925	0.776 m
1 September 1925	0.801 m
1 October 1925	0.853 m
1 November 1925	0.874 m
1 December 1925	0.828 m
1 January 1926	0.734 m
1 February 1926	0.674 m
1 March 1926	0.638 m
1 April 1926	0.671 m
1 May 1926	0.985 m
1 June 1926	1.244 m
1 July 1926	0.988 m
1 August 1926	0.789 m
1 September 1926	0.689 m
1 October 1926	0.707 m
1 November 1926	0.826 m
1 December 1926	0.858 m
1 January 1927	0.815 m
1 February 1927	0.832 m
1 March 1927	0.873 m
1 April 1927	0.912 m
1 May 1927	1.085 m
1 June 1927	1.245 m
1 July 1927	1.060 m
1 August 1927	0.910 m
1 September 1927	0.819 m
1 October 1927	0.907 m
1 November 1927	0.946 m
1 December 1927	0.903 m
1 January 1928	0.841 m
1 February 1928	0.791 m
1 March 1928	0.758 m
1 April 1928	0.789 m
1 May 1928	0.992 m
1 June 1928	1.160 m
1 July 1928	1.060 m
1 August 1928	1.073 m
1 September 1928	0.989 m
1 October 1928	0.973 m
1 November 1928	1.163 m
1 December 1928	1.162 m
1 January 1929	1.035 m
1 February 1929	0.950 m
1 March 1929	0.889 m
1 April 1929	0.873 m
1 May 1929	1.015 m
1 June 1929	1.084 m
1 July 1929	0.930 m
1 August 1929	0.852 m
1 September 1929	0.875 m
1 October 1929	0.994 m
1 November 1929	1.063 m
1 December 1929	1.100 m
1 January 1930	1.103 m
1 February 1930	1.075 m
1 March 1930	1.030 m
1 April 1930	1.054 m
1 May 1930	1.013 m
1 June 1930	0.929 m
1 July 1930	0.833 m
1 August 1930	0.787 m
1 September 1930	0.789 m
1 October 1930	0.843 m
1 November 1930	1.000 m
1 December 1930	0.977 m
1 January 1931	0.909 m
1 February 1931	0.858 m
1 March 1931	0.845 m
1 April 1931	0.912 m
1 May 1931	1.153 m
1 June 1931	1.142 m
1 July 1931	1.025 m
1 August 1931	0.918 m
1 September 1931	0.951 m
1 October 1931	0.995 m
1 November 1931	1.009 m
1 December 1931	0.970 m
1 January 1932	0.967 m
1 February 1932	0.958 m
1 March 1932	0.938 m
1 April 1932	0.974 m
1 May 1932	1.215 m
1 June 1932	1.130 m
1 July 1932	0.907 m
1 August 1932	0.888 m
1 September 1932	0.966 m
1 October 1932	0.993 m
1 November 1932	0.985 m
1 December 1932	1.032 m
1 January 1933	0.998 m
1 February 1933	0.939 m
1 March 1933	0.894 m
1 April 1933	0.927 m
1 May 1933	1.008 m
1 June 1933	0.911 m
1 July 1933	0.774 m
1 August 1933	0.796 m
1 September 1933	0.795 m
1 October 1933	0.769 m
1 November 1933	0.792 m
1 December 1933	0.782 m
1 January 1934	0.788 m
1 February 1934	0.803 m
1 March 1934	0.778 m
1 April 1934	0.847 m
1 May 1934	1.154 m
1 June 1934	1.012 m
1 July 1934	0.967 m
1 August 1934	1.091 m
1 September 1934	0.968 m
1 October 1934	1.002 m
1 November 1934	1.199 m
1 December 1934	1.151 m
1 January 1935	0.995 m
1 February 1935	0.933 m
1 March 1935	0.926 m
1 April 1935	0.949 m
1 May 1935	1.099 m
1 June 1935	1.012 m
1 July 1935	0.859 m
1 August 1935	0.841 m
1 September 1935	0.899 m
1 October 1935	1.091 m
1 November 1935	1.216 m
1 December 1935	1.043 m
1 January 1936	0.978 m
1 February 1936	0.956 m
1 March 1936	0.931 m
1 April 1936	0.992 m
1 May 1936	1.259 m
1 June 1936	1.066 m
1 July 1936	0.889 m
1 August 1936	0.802 m
1 September 1936	0.807 m
1 October 1936	0.812 m
1 November 1936	0.957 m
1 December 1936	0.965 m
1 January 1937	0.977 m
1 February 1937	0.947 m
1 March 1937	0.921 m
1 April 1937	0.988 m
1 May 1937	1.073 m
1 June 1937	0.976 m
1 July 1937	0.812 m
1 August 1937	0.727 m
1 September 1937	0.751 m
1 October 1937	0.853 m
1 November 1937	0.883 m
1 December 1937	0.881 m
1 January 1938	0.843 m
1 February 1938	0.819 m
1 March 1938	0.814 m
1 April 1938	0.950 m
1 May 1938	1.140 m
1 June 1938	1.047 m
1 July 1938	0.976 m
1 August 1938	0.808 m
1 September 1938	0.742 m
1 October 1938	0.812 m
1 November 1938	0.958 m
1 December 1938	1.028 m
1 January 1939	0.969 m
1 February 1939	0.938 m
1 March 1939	0.907 m
1 April 1939	0.900 m
1 May 1939	1.094 m
1 June 1939	0.981 m
1 July 1939	0.796 m
1 August 1939	0.796 m
1 September 1939	0.708 m
1 October 1939	0.659 m
1 November 1939	0.680 m
1 December 1939	0.714 m
1 January 1940	0.680 m
1 February 1940	0.628 m
1 March 1940	0.595 m
1 April 1940	0.634 m
1 May 1940	0.855 m
1 June 1940	0.819 m
1 July 1940	0.712 m
1 August 1940	0.650 m
1 September 1940	0.691 m
1 October 1940	0.740 m
1 November 1940	0.776 m
1 December 1940	0.854 m
1 January 1941	0.820 m
1 February 1941	0.779 m
1 March 1941	0.741 m
1 April 1941	0.724 m
1 May 1941	0.777 m
1 June 1941	0.808 m
1 July 1941	0.696 m
1 August 1941	0.599 m
1 September 1941	0.620 m
1 October 1941	0.605 m
1 November 1941	0.583 m
1 December 1941	0.565 m
1 January 1942	0.544 m
1 February 1942	0.533 m
1 March 1942	0.520 m
1 April 1942	0.581 m
1 May 1942	0.802 m
1 June 1942	0.894 m
1 July 1942	0.886 m
1 August 1942	0.868 m
1 September 1942	0.912 m
1 October 1942	0.961 m
1 November 1942	1.005 m
1 December 1942	0.987 m
1 January 1943	no value
1 February 1943	no value
1 March 1943	no value
1 April 1943	no value
1 May 1943	no value
1 June 1943	no value
1 July 1943	no value
1 August 1943	no value
1 September 1943	no value
1 October 1943	no value
1 November 1943	no value
1 December 1943	no value
1 January 1944	no value
1 February 1944	no value
1 March 1944	no value
1 April 1944	no value
1 May 1944	no value
1 June 1944	no value
1 July 1944	no value
1 August 1944	no value
1 September 1944	no value
1 October 1944	no value
1 November 1944	no value
1 December 1944	no value
1 January 1945	no value
1 February 1945	no value
1 March 1945	no value
1 April 1945	no value
1 May 1945	no value
1 June 1945	no value
1 July 1945	no value
1 August 1945	no value
1 September 1945	no value
1 October 1945	no value
1 November 1945	no value
1 December 1945	no value
1 January 1946	no value
1 February 1946	no value
1 March 1946	no value
1 April 1946	no value
1 May 1946	no value
1 June 1946	no value
1 July 1946	no value
1 August 1946	no value
1 September 1946	no value
1 October 1946	no value
1 November 1946	no value
1 December 1946	no value
1 January 1947	no value
1 February 1947	no value
1 March 1947	no value
1 April 1947	no value
1 May 1947	no value
1 June 1947	no value
1 July 1947	no value
1 August 1947	no value
1 September 1947	no value
1 October 1947	no value
1 November 1947	no value
1 December 1947	no value
1 January 1948	no value
1 February 1948	no value
1 March 1948	no value
1 April 1948	no value
1 May 1948	no value
1 June 1948	no value
1 July 1948	no value
1 August 1948	no value
1 September 1948	no value
1 October 1948	no value
1 November 1948	no value
1 December 1948	no value
1 January 1949	no value
1 February 1949	no value
1 March 1949	no value
1 April 1949	no value
1 May 1949	no value
1 June 1949	no value
1 July 1949	no value
1 August 1949	no value
1 September 1949	no value
1 October 1949	no value
1 November 1949	no value
1 December 1949	no value
1 January 1950	no value
1 February 1950	no value
1 March 1950	no value
1 April 1950	no value
1 May 1950	no value
1 June 1950	no value
1 July 1950	no value
1 August 1950	no value
1 September 1950	no value
1 October 1950	no value
1 November 1950	no value
1 December 1950	no value
1 January 1951	no value
1 February 1951	no value
1 March 1951	no value
1 April 1951	no value
1 May 1951	no value
1 June 1951	no value
1 July 1951	no value
1 August 1951	no value
1 September 1951	no value
1 October 1951	no value
1 November 1951	no value
1 December 1951	no value
1 January 1952	no value
1 February 1952	no value
1 March 1952	no value
1 April 1952	no value
1 May 1952	no value
1 June 1952	no value
1 July 1952	no value
1 August 1952	no value
1 September 1952	no value
1 October 1952	no value
1 November 1952	no value
1 December 1952	no value
1 January 1953	no value
1 February 1953	no value
1 March 1953	no value
1 April 1953	no value
1 May 1953	no value
1 June 1953	no value
1 July 1953	no value
1 August 1953	no value
1 September 1953	no value
1 October 1953	no value
1 November 1953	no value
1 December 1953	no value
1 January 1954	no value
1 February 1954	no value
1 March 1954	no value
1 April 1954	no value
1 May 1954	no value
1 June 1954	no value
1 July 1954	no value
1 August 1954	no value
1 September 1954	no value
1 October 1954	no value
1 November 1954	no value
1 December 1954	no value
1 January 1955	no value
1 February 1955	no value
1 March 1955	no value
1 April 1955	no value
1 May 1955	no value
1 June 1955	no value
1 July 1955	no value
1 August 1955	no value
1 September 1955	no value
1 October 1955	no value
1 November 1955	no value
1 December 1955	no value
1 January 1956	no value
1 February 1956	no value
1 March 1956	no value
1 April 1956	no value
1 May 1956	no value
1 June 1956	no value
1 July 1956	no value
1 August 1956	no value
1 September 1956	no value
1 October 1956	no value
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	no value
1 June 1957	no value
1 July 1957	no value
1 August 1957	no value
1 September 1957	no value
1 October 1957	no value
1 November 1957	no value
1 December 1957	no value
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	no value
1 February 1960	no value
1 March 1960	no value
1 April 1960	no value
1 May 1960	no value
1 June 1960	no value
1 July 1960	no value
1 August 1960	no value
1 September 1960	no value
1 October 1960	no value
1 November 1960	no value
1 December 1960	no value
1 January 1961	no value
1 February 1961	no value
1 March 1961	no value
1 April 1961	no value
1 May 1961	no value
1 June 1961	no value
1 July 1961	no value
1 August 1961	no value
1 September 1961	no value
1 October 1961	no value
1 November 1961	no value
1 December 1961	no value
1 January 1962	no value
1 February 1962	no value
1 March 1962	no value
1 April 1962	no value
1 May 1962	no value
1 June 1962	no value
1 July 1962	no value
1 August 1962	no value
1 September 1962	no value
1 October 1962	no value
1 November 1962	no value
1 December 1962	no value
1 January 1963	no value
1 February 1963	no value
1 March 1963	no value
1 April 1963	no value
1 May 1963	no value
1 June 1963	no value
1 July 1963	no value
1 August 1963	no value
1 September 1963	no value
1 October 1963	no value
1 November 1963	no value
1 December 1963	no value
1 January 1964	no value
1 February 1964	no value
1 March 1964	no value
1 April 1964	no value
1 May 1964	no value
1 June 1964	no value
1 July 1964	no value
1 August 1964	no value
1 September 1964	no value
1 October 1964	no value
1 November 1964	no value
1 December 1964	no value
1 January 1965	no value
1 February 1965	no value
1 March 1965	no value
1 April 1965	no value
1 May 1965	no value
1 June 1965	no value
1 July 1965	no value
1 August 1965	no value
1 September 1965	no value
1 October 1965	no value
1 November 1965	no value
1 December 1965	no value
1 January 1966	no value
1 February 1966	no value
1 March 1966	no value
1 April 1966	no value
1 May 1966	no value
1 June 1966	no value
1 July 1966	no value
1 August 1966	no value
1 September 1966	no value
1 October 1966	no value
1 November 1966	no value
1 December 1966	no value
1 January 1967	no value
1 February 1967	no value
1 March 1967	no value
1 April 1967	no value
1 May 1967	no value
1 June 1967	no value
1 July 1967	no value
1 August 1967	no value
1 September 1967	no value
1 October 1967	no value
1 November 1967	no value
1 December 1967	no value
1 January 1968	no value
1 February 1968	no value
1 March 1968	no value
1 April 1968	no value
1 May 1968	no value
1 June 1968	no value
1 July 1968	no value
1 August 1968	no value
1 September 1968	no value
1 October 1968	no value
1 November 1968	no value
1 December 1968	no value
1 January 1969	no value
1 February 1969	no value
1 March 1969	no value
1 April 1969	no value
1 May 1969	no value
1 June 1969	no value
1 July 1969	no value
1 August 1969	no value
1 September 1969	no value
1 October 1969	no value
1 November 1969	no value
1 December 1969	no value
1 January 1970	no value
1 February 1970	no value
1 March 1970	no value
1 April 1970	no value
1 May 1970	no value
1 June 1970	no value
1 July 1970	no value
1 August 1970	no value
1 September 1970	no value
1 October 1970	no value
1 November 1970	no value
1 December 1970	no value
1 January 1971	no value
1 February 1971	no value
1 March 1971	no value
1 April 1971	no value
1 May 1971	no value
1 June 1971	no value
1 July 1971	no value
1 August 1971	no value
1 September 1971	no value
1 October 1971	no value
1 November 1971	no value
1 December 1971	no value
1 January 1972	no value
1 February 1972	no value
1 March 1972	no value
1 April 1972	no value
1 May 1972	no value
1 June 1972	no value
1 July 1972	no value
1 August 1972	no value
1 September 1972	no value
1 October 1972	no value
1 November 1972	no value
1 December 1972	no value
1 January 1973	no value
1 February 1973	no value
1 March 1973	no value
1 April 1973	no value
1 May 1973	no value
1 June 1973	no value
1 July 1973	no value
1 August 1973	no value
1 September 1973	no value
1 October 1973	no value
1 November 1973	no value
1 December 1973	no value
1 January 1974	no value
1 February 1974	no value
1 March 1974	no value
1 April 1974	no value
1 May 1974	no value
1 June 1974	no value
1 July 1974	no value
1 August 1974	no value
1 September 1974	no value
1 October 1974	no value
1 November 1974	no value
1 December 1974	no value
1 January 1975	no value
1 February 1975	no value
1 March 1975	no value
1 April 1975	no value
1 May 1975	no value
1 June 1975	no value
1 July 1975	no value
1 August 1975	no value
1 September 1975	no value
1 October 1975	no value
1 November 1975	no value
1 December 1975	no value
1 January 1976	no value
1 February 1976	no value
1 March 1976	no value
1 April 1976	no value
1 May 1976	no value
1 June 1976	no value
1 July 1976	no value
1 August 1976	no value
1 September 1976	no value
1 October 1976	no value
1 November 1976	no value
1 December 1976	no value
1 January 1977	no value
1 February 1977	no value
1 March 1977	no value
1 April 1977	no value
1 May 1977	no value
1 June 1977	no value
1 July 1977	no value
1 August 1977	no value
1 September 1977	no value
1 October 1977	no value
1 November 1977	no value
1 December 1977	no value
1 January 1978	no value
1 February 1978	no value
1 March 1978	no value
1 April 1978	no value
1 May 1978	no value
1 June 1978	no value
1 July 1978	no value
1 August 1978	no value
1 September 1978	no value
1 October 1978	no value
1 November 1978	no value
1 December 1978	no value
1 January 1979	no value
1 February 1979	no value
1 March 1979	no value
1 April 1979	no value
1 May 1979	no value
1 June 1979	no value
1 July 1979	no value
1 August 1979	no value
1 September 1979	no value
1 October 1979	no value
1 November 1979	no value
1 December 1979	no value
1 January 1980	no value
1 February 1980	no value
1 March 1980	no value
1 April 1980	no value
1 May 1980	no value
1 June 1980	no value
1 July 1980	no value
1 August 1980	no value
1 September 1980	no value
1 October 1980	no value
1 November 1980	no value
1 December 1980	no value
1 January 1981	no value
1 February 1981	no value
1 March 1981	no value
1 April 1981	no value
1 May 1981	no value
1 June 1981	no value
1 July 1981	no value
1 August 1981	no value
1 September 1981	no value
1 October 1981	no value
1 November 1981	no value
1 December 1981	no value
1 January 1982	no value
1 February 1982	no value
1 March 1982	no value
1 April 1982	no value
1 May 1982	no value
1 June 1982	no value
1 July 1982	no value
1 August 1982	no value
1 September 1982	no value
1 October 1982	no value
1 November 1982	no value
1 December 1982	no value
1 January 1983	no value
1 February 1983	no value
1 March 1983	no value
1 April 1983	no value
1 May 1983	no value
1 June 1983	no value
1 July 1983	no value
1 August 1983	no value
1 September 1983	0.785 m
1 October 1983	0.877 m
1 November 1983	0.967 m
1 December 1983	0.975 m
1 January 1984	0.971 m
1 February 1984	0.927 m
1 March 1984	0.887 m
1 April 1984	1.002 m
1 May 1984	1.264 m
1 June 1984	1.032 m
1 July 1984	0.967 m
1 August 1984	0.978 m
1 September 1984	0.956 m
1 October 1984	1.037 m
1 November 1984	1.105 m
1 December 1984	no value
1 January 1985	0.955 m
1 February 1985	0.892 m
1 March 1985	0.852 m
1 April 1985	0.859 m
1 May 1985	1.073 m
1 June 1985	1.078 m
1 July 1985	0.928 m
1 August 1985	0.956 m
1 September 1985	0.951 m
1 October 1985	0.999 m
1 November 1985	1.062 m
1 December 1985	1.066 m
1 January 1986	1.011 m
1 February 1986	0.954 m
1 March 1986	0.907 m
1 April 1986	0.936 m
1 May 1986	1.046 m
1 June 1986	1.004 m
1 July 1986	0.902 m
1 August 1986	0.920 m
1 September 1986	1.036 m
1 October 1986	1.054 m
1 November 1986	1.104 m
1 December 1986	1.148 m
1 January 1987	0.987 m
1 February 1987	0.904 m
1 March 1987	0.856 m
1 April 1987	0.867 m
1 May 1987	1.066 m
1 June 1987	1.150 m
1 July 1987	1.088 m
1 August 1987	1.080 m
1 September 1987	1.194 m
1 October 1987	1.210 m
1 November 1987	1.082 m
1 December 1987	1.004 m
1 January 1988	0.965 m
1 February 1988	0.930 m
1 March 1988	0.898 m
1 April 1988	1.001 m
1 May 1988	1.371 m
1 June 1988	1.155 m
1 July 1988	0.937 m
1 August 1988	0.893 m
1 September 1988	0.929 m
1 October 1988	0.958 m
1 November 1988	0.952 m
1 December 1988	0.919 m
1 January 1989	0.914 m
1 February 1989	0.922 m
1 March 1989	0.968 m
1 April 1989	1.107 m
1 May 1989	1.145 m
1 June 1989	0.951 m
1 July 1989	0.848 m
1 August 1989	0.911 m
1 September 1989	0.899 m
1 October 1989	0.891 m
1 November 1989	0.955 m
1 December 1989	0.923 m
1 January 1990	0.904 m
1 February 1990	0.959 m
1 March 1990	1.050 m
1 April 1990	1.169 m
1 May 1990	1.092 m
1 June 1990	0.945 m
1 July 1990	0.895 m
1 August 1990	0.912 m
1 September 1990	0.955 m
1 October 1990	0.934 m
1 November 1990	0.962 m
1 December 1990	0.955 m
1 January 1991	0.919 m
1 February 1991	0.883 m
1 March 1991	0.856 m
1 April 1991	0.996 m
1 May 1991	1.086 m
1 June 1991	1.037 m
1 July 1991	0.992 m
1 August 1991	0.994 m
1 September 1991	0.959 m
1 October 1991	1.045 m
1 November 1991	1.091 m
1 December 1991	1.070 m
1 January 1992	1.002 m
1 February 1992	0.934 m
1 March 1992	0.914 m
1 April 1992	1.005 m
1 May 1992	1.135 m
1 June 1992	0.955 m
1 July 1992	0.852 m
1 August 1992	0.823 m
1 September 1992	0.858 m
1 October 1992	0.916 m
1 November 1992	0.991 m
1 December 1992	1.023 m
1 January 1993	0.976 m
1 February 1993	0.922 m
1 March 1993	0.876 m
1 April 1993	0.895 m
1 May 1993	1.046 m
1 June 1993	0.981 m
1 July 1993	1.016 m
1 August 1993	1.005 m
1 September 1993	0.985 m
1 October 1993	0.955 m
1 November 1993	0.918 m
1 December 1993	0.882 m
1 January 1994	0.883 m
1 February 1994	0.853 m
1 March 1994	0.830 m
1 April 1994	1.002 m
1 May 1994	1.202 m
1 June 1994	1.071 m
1 July 1994	0.973 m
1 August 1994	0.862 m
1 September 1994	0.884 m
1 October 1994	1.011 m
1 November 1994	1.015 m
1 December 1994	0.966 m
1 January 1995	0.937 m
1 February 1995	0.899 m
1 March 1995	0.908 m
1 April 1995	0.967 m
1 May 1995	1.207 m
1 June 1995	1.071 m
1 July 1995	0.894 m
1 August 1995	0.802 m
1 September 1995	0.805 m
1 October 1995	0.845 m
1 November 1995	0.851 m
1 December 1995	0.852 m
1 January 1996	0.823 m
1 February 1996	0.792 m
1 March 1996	0.772 m
1 April 1996	0.801 m
1 May 1996	1.022 m
1 June 1996	1.048 m
1 July 1996	1.232 m
1 August 1996	1.078 m
1 September 1996	0.896 m
1 October 1996	0.855 m
1 November 1996	0.963 m
1 December 1996	1.077 m
1 January 1997	0.996 m
1 February 1997	0.884 m
1 March 1997	0.878 m
1 April 1997	0.856 m
1 May 1997	0.978 m
1 June 1997	0.921 m
1 July 1997	0.839 m
1 August 1997	0.777 m
1 September 1997	0.749 m
1 October 1997	0.779 m
1 November 1997	0.817 m
1 December 1997	0.832 m
1 January 1998	0.825 m
1 February 1998	0.838 m
1 March 1998	0.846 m
1 April 1998	0.835 m
1 May 1998	1.045 m
1 June 1998	1.029 m
1 July 1998	0.986 m
1 August 1998	0.982 m
1 September 1998	0.969 m
1 October 1998	0.938 m
1 November 1998	0.997 m
1 December 1998	0.915 m
1 January 1999	0.866 m
1 February 1999	0.845 m
1 March 1999	0.815 m
1 April 1999	0.916 m
1 May 1999	1.038 m
1 June 1999	0.907 m
1 July 1999	0.792 m
1 August 1999	0.732 m
1 September 1999	0.681 m
1 October 1999	0.742 m
1 November 1999	0.780 m
1 December 1999	0.854 m
1 January 2000	0.884 m
1 February 2000	0.860 m
1 March 2000	0.850 m
1 April 2000	0.953 m
1 May 2000	1.091 m
1 June 2000	0.941 m
1 July 2000	0.844 m
1 August 2000	0.845 m
1 September 2000	0.821 m
1 October 2000	0.786 m
1 November 2000	0.927 m
1 December 2000	1.069 m
1 January 2001	1.003 m
1 February 2001	0.936 m
1 March 2001	0.891 m
1 April 2001	0.956 m
1 May 2001	1.056 m
1 June 2001	1.010 m
1 July 2001	0.948 m
1 August 2001	0.868 m
1 September 2001	0.815 m
1 October 2001	0.801 m
1 November 2001	0.849 m
1 December 2001	0.823 m
1 January 2002	0.807 m
1 February 2002	0.859 m
1 March 2002	0.870 m
1 April 2002	0.950 m
1 May 2002	1.171 m
1 June 2002	0.992 m
1 July 2002	0.903 m
1 August 2002	0.787 m
1 September 2002	0.711 m
1 October 2002	0.672 m
1 November 2002	0.687 m
1 December 2002	0.710 m
1 January 2003	0.714 m
1 February 2003	0.715 m
1 March 2003	0.694 m
1 April 2003	0.737 m
1 May 2003	0.988 m
1 June 2003	0.967 m
1 July 2003	0.865 m
1 August 2003	0.803 m
1 September 2003	0.759 m
1 October 2003	0.797 m
1 November 2003	0.850 m
1 December 2003	0.943 m
1 January 2004	0.930 m
1 February 2004	0.866 m
1 March 2004	0.843 m
1 April 2004	0.915 m
1 May 2004	1.043 m
1 June 2004	0.959 m
1 July 2004	0.958 m
1 August 2004	1.203 m
1 September 2004	1.053 m
1 October 2004	1.063 m
1 November 2004	1.023 m
1 December 2004	0.985 m
1 January 2005	1.014 m
1 February 2005	0.989 m
1 March 2005	0.883 m
1 April 2005	0.970 m
1 May 2005	1.089 m
1 June 2005	1.020 m
1 July 2005	0.892 m
1 August 2005	0.891 m
1 September 2005	0.817 m
1 October 2005	0.781 m
1 November 2005	0.822 m
1 December 2005	0.866 m
1 January 2006	0.839 m
1 February 2006	0.795 m
1 March 2006	0.763 m
1 April 2006	0.837 m
1 May 2006	1.034 m
1 June 2006	0.937 m
1 July 2006	0.780 m
1 August 2006	0.657 m
1 September 2006	0.641 m
1 October 2006	0.701 m
1 November 2006	0.862 m
1 December 2006	1.085 m
1 January 2007	1.066 m
1 February 2007	0.980 m
1 March 2007	0.905 m
1 April 2007	0.981 m
1 May 2007	0.977 m
1 June 2007	0.873 m
1 July 2007	0.870 m
1 August 2007	0.929 m
1 September 2007	0.962 m
1 October 2007	0.995 m
1 November 2007	0.981 m
1 December 2007	1.022 m
1 January 2008	1.031 m
1 February 2008	1.022 m
1 March 2008	0.968 m
1 April 2008	1.094 m
1 May 2008	1.078 m
1 June 2008	0.931 m
1 July 2008	0.868 m
1 August 2008	0.868 m
1 September 2008	0.889 m
1 October 2008	0.897 m
1 November 2008	1.055 m
1 December 2008	1.125 m
1 January 2009	1.027 m
1 February 2009	0.916 m
1 March 2009	0.847 m
1 April 2009	0.859 m
1 May 2009	0.953 m
1 June 2009	0.851 m
1 July 2009	0.772 m
1 August 2009	0.759 m
1 September 2009	0.741 m
1 October 2009	0.741 m
1 November 2009	0.794 m
1 December 2009	0.874 m
1 January 2010	0.830 m
1 February 2010	0.794 m
1 March 2010	0.790 m
1 April 2010	0.951 m
1 May 2010	1.128 m
1 June 2010	1.049 m
1 July 2010	0.896 m
1 August 2010	0.740 m
1 September 2010	0.723 m
1 October 2010	0.753 m
1 November 2010	0.842 m
1 December 2010	0.848 m
1 January 2011	0.850 m
1 February 2011	0.834 m
1 March 2011	0.786 m
1 April 2011	0.916 m
1 May 2011	1.062 m
1 June 2011	1.009 m
1 July 2011	0.897 m
1 August 2011	0.841 m
1 September 2011	0.937 m
1 October 2011	1.050 m
1 November 2011	1.013 m
1 December 2011	1.047 m
1 January 2012	1.091 m
1 February 2012	0.996 m
1 March 2012	0.911 m
1 April 2012	0.945 m
1 May 2012	1.173 m
1 June 2012	1.020 m
1 July 2012	0.959 m
1 August 2012	0.937 m
1 September 2012	0.878 m
1 October 2012	1.023 m
1 November 2012	1.111 m
1 December 2012	1.068 m
1 January 2013	0.982 m
1 February 2013	0.895 m
1 March 2013	0.840 m
1 April 2013	0.875 m
1 May 2013	1.035 m
1 June 2013	0.921 m
1 July 2013	0.836 m
1 August 2013	0.779 m
1 September 2013	0.735 m
1 October 2013	0.731 m
1 November 2013	0.947 m
1 December 2013	0.999 m
1 January 2014	1.039 m
1 February 2014	0.914 m
1 March 2014	0.877 m
1 April 2014	0.846 m
1 May 2014	0.905 m
1 June 2014	0.912 m
1 July 2014	0.812 m
1 August 2014	0.742 m
1 September 2014	0.780 m
1 October 2014	0.834 m
1 November 2014	0.917 m
1 December 2014	0.926 m
1 January 2015	0.937 m
1 February 2015	0.889 m
1 March 2015	0.923 m
1 April 2015	1.055 m
1 May 2015	1.190 m
1 June 2015	1.014 m
1 July 2015	0.881 m
1 August 2015	0.783 m
1 September 2015	0.715 m
1 October 2015	0.689 m
1 November 2015	0.741 m
1 December 2015	0.909 m
1 January 2016	0.913 m
1 February 2016	0.902 m
1 March 2016	0.883 m
1 April 2016	1.016 m
1 May 2016	1.080 m
1 June 2016	0.874 m
1 July 2016	0.836 m
1 August 2016	0.781 m
1 September 2016	0.724 m
1 October 2016	0.700 m
1 November 2016	0.754 m
1 December 2016	0.846 m
1 January 2017	0.827 m
1 February 2017	0.780 m
1 March 2017	0.773 m
1 April 2017	0.861 m
1 May 2017	0.902 m
1 June 2017	0.816 m
1 July 2017	0.784 m
1 August 2017	0.836 m
1 September 2017	0.858 m
1 October 2017	0.924 m
1 November 2017	0.997 m
1 December 2017	1.088 m
1 January 2018	1.082 m
1 February 2018	1.001 m
1 March 2018	0.892 m
1 April 2018	0.969 m
1 May 2018	1.178 m
1 June 2018	0.904 m
1 July 2018	0.780 m
1 August 2018	0.647 m
1 September 2018	0.631 m
1 October 2018	0.653 m
1 November 2018	0.685 m
1 December 2018	0.688 m
1 January 2019	0.717 m
1 February 2019	0.736 m
1 March 2019	0.755 m
1 April 2019	0.907 m
1 May 2019	1.073 m
1 June 2019	0.968 m
1 July 2019	0.787 m
1 August 2019	0.659 m
1 September 2019	0.644 m
1 October 2019	0.670 m
1 November 2019	0.745 m
1 December 2019	0.927 m
1 January 2020	1.013 m
1 February 2020	1.025 m
1 March 2020	1.046 m
1 April 2020	0.978 m
1 May 2020	0.911 m
1 June 2020	0.798 m
1 July 2020	0.893 m
1 August 2020	0.864 m
1 September 2020	0.820 m
1 October 2020	0.835 m
1 November 2020	0.933 m
1 December 2020	0.988 m
1 January 2021	0.987 m
1 February 2021	0.928 m
1 March 2021	0.886 m
1 April 2021	1.055 m
1 May 2021	1.134 m
1 June 2021	1.017 m
1 July 2021	0.821 m
1 August 2021	0.730 m
1 September 2021	0.735 m
1 October 2021	0.758 m
1 November 2021	0.884 m
1 December 2021	0.887 m
1 January 2022	0.857 m
1 February 2022	0.882 m
1 March 2022	0.883 m
1 April 2022	0.991 m
1 May 2022	1.254 m
1 June 2022	1.085 m
1 July 2022	0.883 m
1 August 2022	0.740 m
1 September 2022	0.637 m
1 October 2022	0.640 m
1 November 2022	0.677 m
1 December 2022	0.717 m
1 January 2023	0.781 m
1 February 2023	0.830 m
1 March 2023	0.822 m
1 April 2023	0.920 m
1 May 2023	1.166 m
1 June 2023	0.945 m
1 July 2023	0.832 m
1 August 2023	0.899 m
1 September 2023	0.926 m
1 October 2023	1.015 m
1 November 2023	1.091 m
1 December 2023	1.019 m
1 January 2024	0.911 m
1 February 2024	0.870 m
1 March 2024	0.915 m
1 April 2024	1.155 m
1 May 2024	1.207 m
1 June 2024	0.972 m
1 July 2024	0.825 m
1 August 2024	0.755 m
1 September 2024	0.696 m
1 October 2024	0.713 m
1 November 2024	0.729 m
1 December 2024	0.853 m
1 January 2025	0.874 m
1 February 2025	0.881 m
1 March 2025	no value
1 April 2025	0.988 m
1 May 2025	0.915 m
1 June 2025	0.810 m
1 July 2025	0.841 m
1 August 2025	0.735 m
1 September 2025	0.699 m
1 October 2025	0.700 m
1 November 2025	0.784 m
1 December 2025	0.912 m
1 January 2026	0.914 m
1 February 2026	0.827 m
1 March 2026	0.845 m
1 April 2026	0.900 m
1 May 2026	0.834 m
1 June 2026	0.788 m
1 July 2026	0.725 m
1 August 2026	0.685 m
1 September 2026	0.722 m
1 October 2026	0.859 m

How this compares

So far in 2026 the daily value was below the normal range on 127 of 299 days, the eighth most of the 89 years counted from 1910 to 2026.

Same date in past years

26 October in the last 10 years

Day	Level	Against the normal range for the date
26 October 2025	0.71 m
26 October 2024	0.72 m
26 October 2023	1.04 m
26 October 2022	0.64 m
26 October 2021	0.82 m
26 October 2020	0.87 m
26 October 2019	0.70 m
26 October 2018	0.67 m
26 October 2017	0.95 m
26 October 2016	0.68 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 Synsiä 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 1 January 1910 was 0.51 m, on 16 March 1942 and 6 other days. The highest was 1.49 m, on 13 May 1988 and 1 other day.

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	0.80 m	10 September	1.35 m	1 May	365
1911	0.72 m	24 August	1.29 m	9 May	365
1912	0.77 m	26 August	1.22 m	28 May	366
1913	0.68 m	8 October	1.22 m	1 May	365
1914	0.70 m	29 August	1.10 m	8 May	365
1915	0.75 m	29 August	1.02 m	8 June	365
1916	0.77 m	1 October	1.32 m	8 May	366
1917	0.70 m	23 August	1.04 m	8 December	365
1918	0.80 m	19 February	1.06 m	9 May	365
1919	0.82 m	17 March	1.20 m	4 May	365
1920	0.69 m	1 November	1.45 m	27 April	366
1921	0.70 m	1 January	1.07 m	22 April	365
1922	0.74 m	9 March	1.42 m	19 May	365
1923	0.79 m	17 August	1.18 m	31 May	365
1924	0.86 m	7 September	1.45 m	22 May	366
1925	0.75 m	26 August	1.10 m	5 May	365
1926	0.62 m	26 March	1.30 m	2 June	365
1927	0.78 m	17 September	1.26 m	5 June	365
1928	0.75 m	21 March	1.20 m	17 June	366
1929	0.83 m	26 August	1.15 m	29 May	365
1930	0.76 m	25 August	1.12 m	19 January	365
1931	0.82 m	1 March	1.18 m	26 May	365
1932	0.83 m	30 July	1.27 m	22 May	366
1933	0.76 m	19 July	1.02 m	4 January	365
1934	0.77 m	15 March	1.22 m	13 November	365
1935	0.80 m	6 August	1.25 m	9 November	365
1936	0.79 m	24 August	1.29 m	8 May	366
1937	0.70 m	1 September	1.10 m	30 April	365
1938	0.73 m	3 September	1.16 m	9 May	365
1939	0.65 m	13 October	1.12 m	9 May	365
1940	0.59 m	18 March	0.91 m	19 May	366
1941	0.56 m	17 December	0.85 m	1 January	365
1942	0.51 m	16 March	1.01 m	7 November	365
1983	0.76 m	1 September	0.98 m	25 November	365
1984	0.88 m	22 March	1.32 m	8 May	335
1985	0.85 m	7 March	1.19 m	23 May	365
1986	0.86 m	5 August	1.19 m	5 December	365
1987	0.84 m	23 March	1.29 m	28 September	365
1988	0.87 m	30 July	1.49 m	13 May	366
1989	0.82 m	10 July	1.25 m	30 April	365
1990	0.88 m	7 July	1.24 m	24 April	365
1991	0.85 m	9 March	1.12 m	27 November	365
1992	0.80 m	11 August	1.21 m	11 May	366
1993	0.85 m	14 April	1.10 m	4 May	365
1994	0.83 m	25 February	1.29 m	2 May	365
1995	0.76 m	24 August	1.23 m	26 May	365
1996	0.77 m	8 March	1.34 m	15 July	366
1997	0.72 m	5 September	1.06 m	1 January	365
1998	0.81 m	16 April	1.09 m	9 May	365
1999	0.67 m	18 September	1.13 m	29 April	365
2000	0.78 m	9 October	1.17 m	28 April	366
2001	0.79 m	26 October	1.10 m	29 April	365
2002	0.66 m	20 October	1.25 m	8 May	365
2003	0.69 m	11 March	1.04 m	20 May	365
2004	0.83 m	12 March	1.31 m	3 August	366
2005	0.77 m	15 October	1.12 m	19 May	365
2006	0.62 m	28 August	1.12 m	16 December	365
2007	0.82 m	25 June	1.08 m	1 January	365
2008	0.82 m	3 August	1.19 m	23 April	366
2009	0.73 m	24 September	1.08 m	1 January	365
2010	0.70 m	8 September	1.16 m	6 May	365
2011	0.77 m	23 March	1.14 m	30 April	365
2012	0.86 m	15 September	1.20 m	3 May	366
2013	0.71 m	19 September	1.08 m	29 April	365
2014	0.71 m	10 August	1.08 m	1 January	365
2015	0.67 m	20 October	1.22 m	3 May	365
2016provisional	0.68 m	22 October	1.18 m	1 May	366
2017provisional	0.75 m	9 July	1.10 m	12 December	365
2018provisional	0.61 m	7 September	1.27 m	6 May	365
2019provisional	0.63 m	9 September	1.10 m	13 May	365
2020provisional	0.73 m	29 June	1.09 m	28 February	356
2021provisional	0.71 m	14 August	1.17 m	27 April	365
2022provisional	0.62 m	25 September	1.31 m	13 May	365
2023provisional	0.74 m	7 January	1.23 m	6 May	365
2024provisional	0.67 m	11 September	1.31 m	1 May	353
2025provisional	0.58 m	25 August	1.00 m	19 April	343
2026so far, provisional	0.66 m	29 August	0.96 m	1 January	299

Each year from January to December, weekly averages

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

The weekly averages of Lake Synsiä 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. The highest daily value in our series since 1 January 1910 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, highest day Weekly average (m)	Normal range (m)
1 Jan to 7 Jan	0.950 m	0.974 m	0.780 m to 1.060 m
8 Jan to 14 Jan	0.930 m	0.971 m	0.790 m to 1.040 m
15 Jan to 21 Jan	0.909 m	0.967 m	0.790 m to 1.020 m
22 Jan to 28 Jan	0.887 m	0.956 m	0.790 m to 1.020 m
29 Jan to 4 Feb	0.863 m	0.949 m	0.790 m to 1.000 m
5 Feb to 11 Feb	0.840 m	0.940 m	0.780 m to 0.980 m
12 Feb to 18 Feb	0.820 m	0.933 m	0.770 m to 0.970 m
19 Feb to 25 Feb	0.807 m	0.920 m	0.761 m to 0.960 m
26 Feb to 4 Mar	0.819 m	0.909 m	0.750 m to 0.950 m
5 Mar to 11 Mar	0.814 m	0.900 m	0.750 m to 0.950 m
12 Mar to 18 Mar	0.823 m	0.900 m	0.750 m to 0.940 m
19 Mar to 25 Mar	0.864 m	0.891 m	0.750 m to 0.940 m
26 Mar to 1 Apr	0.903 m	0.896 m	0.750 m to 0.950 m
2 Apr to 8 Apr	0.914 m	0.911 m	0.770 m to 0.980 m
9 Apr to 15 Apr	0.917 m	0.971 m	0.780 m to 1.020 m
16 Apr to 22 Apr	0.900 m	1.013 m	0.790 m to 1.090 m
23 Apr to 29 Apr	0.871 m	1.081 m	0.820 m to 1.180 m
30 Apr to 6 May	0.850 m	1.129 m	0.870 m to 1.240 m
7 May to 13 May	0.827 m	1.430 m	0.920 m to 1.270 m
14 May to 20 May	0.823 m	1.474 m	0.930 m to 1.260 m
21 May to 27 May	0.844 m	1.404 m	0.940 m to 1.230 m
28 May to 3 Jun	0.821 m	1.316 m	0.910 m to 1.220 m
4 Jun to 10 Jun	0.809 m	1.246 m	0.880 m to 1.180 m
11 Jun to 17 Jun	0.794 m	1.176 m	0.860 m to 1.160 m
18 Jun to 24 Jun	0.783 m	1.100 m	0.840 m to 1.130 m
25 Jun to 1 Jul	0.749 m	1.061 m	0.830 m to 1.100 m
2 Jul to 8 Jul	0.751 m	1.014 m	0.820 m to 1.070 m
9 Jul to 15 Jul	0.743 m	0.964 m	0.790 m to 1.030 m
16 Jul to 22 Jul	0.719 m	0.914 m	0.770 m to 1.000 m
23 Jul to 29 Jul	0.696 m	0.881 m	0.760 m to 0.990 m
30 Jul to 5 Aug	0.690 m	0.871 m	0.750 m to 0.990 m
6 Aug to 12 Aug	0.681 m	0.879 m	0.730 m to 0.980 m
13 Aug to 19 Aug	0.709 m	0.891 m	0.720 m to 0.980 m
20 Aug to 26 Aug	0.676 m	0.904 m	0.710 m to 0.980 m
27 Aug to 2 Sep	0.670 m	0.914 m	0.700 m to 0.990 m
3 Sep to 9 Sep	0.683 m	0.924 m	0.690 m to 0.980 m
10 Sep to 16 Sep	0.709 m	0.930 m	0.690 m to 0.970 m
17 Sep to 23 Sep	0.733 m	0.930 m	0.690 m to 0.980 m
24 Sep to 30 Sep	0.777 m	0.930 m	0.690 m to 0.990 m
1 Oct to 7 Oct	0.807 m	0.943 m	0.680 m to 1.000 m
8 Oct to 14 Oct	0.847 m	0.957 m	0.680 m to 1.030 m
15 Oct to 21 Oct	0.890 m	0.960 m	0.690 m to 1.050 m
22 Oct to 28 Oct	no value	0.961 m	0.690 m to 1.050 m
29 Oct to 4 Nov	no value	0.970 m	0.700 m to 1.060 m
5 Nov to 11 Nov	no value	0.960 m	0.710 m to 1.080 m
12 Nov to 18 Nov	no value	0.957 m	0.720 m to 1.100 m
19 Nov to 25 Nov	no value	0.944 m	0.750 m to 1.110 m
26 Nov to 2 Dec	no value	0.936 m	0.780 m to 1.110 m
3 Dec to 9 Dec	no value	0.923 m	0.790 m to 1.090 m
10 Dec to 16 Dec	no value	0.920 m	0.790 m to 1.090 m
17 Dec to 23 Dec	no value	0.920 m	0.790 m to 1.090 m
24 Dec to 31 Dec	no value	0.912 m	0.790 m to 1.080 m

Every year

Year	Days with a value	Days below the normal range
2026to 26 October 2026	299	127
2025	343	59
2024	353	16
2023	365	17
2022	365	125
2021	365	22
2020	356	51
2019	365	177
2018	365	165
2017	365	61
2016	366	9
2015	365	13
2014	365	25
2013	365	0
2012	366	0
2011	365	0
2010	365	3
2009	365	45
2008	366	0
2007	365	4
2006	365	81
2005	365	0
2004	366	0
2003	365	120
2002	365	83
2001	365	0
2000	366	0
1999	365	20
1998	365	0
1997	365	0
1996	366	10
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	0
1984	335	0
1983	365	0
1982	365	0
1981	365	0
1980	366	8
1979	365	1
1978	365	0
1977	365	0
1976	366	0
1975	365	0
1974	365	0
1973	365	0
1972	366	0
1971	365	0
1942	365	157
1941	365	296
1940	366	258
1939	365	86
1938	365	0
1937	365	0
1936	366	0
1935	365	0
1934	365	0
1933	365	41
1932	366	0
1931	365	0
1930	365	0
1929	365	0
1928	366	19
1927	365	0
1926	365	153
1925	365	0
1924	366	0
1923	365	0
1922	365	94
1921	365	161
1920	366	61
1919	365	0
1918	365	0
1917	365	8
1916	366	0
1915	365	0
1914	365	3
1913	365	0
1912	366	0
1911	365	0
1910	365	0

How it compares

That is within the normal range for the date.

Records

Highest daily value in our series since 1 January 1910: 1.49 m on 13 May 1988.
Lowest daily value in our series since 1 January 1910: 0.51 m on 16 March 1942.

About this lake

Lake Synsiä is a lake in South Savo, Finland.

It lies at 62.0856° N, 26.5053° 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 Synsiä water level today

Is Lake Synsiä 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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