Lake Porttipahta water level at Porttipahta (upstream) today

Is Lake Porttipahta at Porttipahta (upstream) within its normal range for the date?

Lake Porttipahta at Porttipahta (upstream) stood at 244.68 m above N43 on 26 October 2026.

NowHistoryThis dateBy year

Level now

within the normal range for the date

244.68 m

26 October 2026Provisional

within the normal range for the date

The normal range for 26 October is 242.56 m to 244.75 m: the 10th to 90th percentile of the daily values from 19 October to 2 November in 55 years between 1971 and 2025.

Table: where the water stands

Level	Value
Newest reading	244.68 m, 26 October 2026
Normal range for the date	242.56 m to 244.75 m
Median for the date	244.06 m
Highest in our series	244.97 m

Past day: +0.02 m
Past week: +0.03 m

Heights are given above N43, the Finnish height system of 1943.

Level history

within the normal range for the date

On 26 October 2026 Lake Porttipahta at Porttipahta (upstream) stood at 244.68 m above N43.

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 Porttipahta at Porttipahta (upstream) 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	244.510 m	242.270 m to 244.480 m	243.650 m	243.660 m
30 July 2026	244.500 m	242.270 m to 244.490 m	243.660 m	243.700 m
31 July 2026	244.510 m	242.270 m to 244.500 m	243.660 m	243.720 m
1 August 2026	244.530 m	242.271 m to 244.500 m	243.670 m	243.730 m
2 August 2026	244.540 m	242.271 m to 244.510 m	243.680 m	243.740 m
3 August 2026	244.550 m	242.271 m to 244.519 m	243.690 m	243.740 m
4 August 2026	244.540 m	242.271 m to 244.520 m	243.690 m	243.750 m
5 August 2026	244.500 m	242.271 m to 244.520 m	243.700 m	243.750 m
6 August 2026	244.480 m	242.270 m to 244.520 m	243.705 m	243.780 m
7 August 2026	244.500 m	242.270 m to 244.520 m	243.715 m	243.780 m
8 August 2026	244.520 m	242.270 m to 244.529 m	243.720 m	243.790 m
9 August 2026	244.510 m	242.270 m to 244.529 m	243.730 m	243.780 m
10 August 2026	244.520 m	242.271 m to 244.529 m	243.730 m	243.770 m
11 August 2026	244.530 m	242.271 m to 244.529 m	243.735 m	243.780 m
12 August 2026	244.510 m	242.271 m to 244.520 m	243.740 m	243.780 m
13 August 2026	244.480 m	242.271 m to 244.520 m	243.740 m	243.740 m
14 August 2026	244.480 m	242.271 m to 244.519 m	243.750 m	243.710 m
15 August 2026	244.520 m	242.271 m to 244.510 m	243.750 m	243.730 m
16 August 2026	244.540 m	242.271 m to 244.510 m	243.750 m	243.790 m
17 August 2026	244.560 m	242.280 m to 244.510 m	243.760 m	243.790 m
18 August 2026	244.580 m	242.280 m to 244.520 m	243.760 m	243.780 m
19 August 2026	244.580 m	242.280 m to 244.520 m	243.760 m	243.810 m
20 August 2026	244.570 m	242.281 m to 244.520 m	243.760 m	243.790 m
21 August 2026	244.540 m	242.290 m to 244.520 m	243.760 m	243.750 m
22 August 2026	244.520 m	242.290 m to 244.530 m	243.775 m	243.720 m
23 August 2026	244.540 m	242.290 m to 244.530 m	243.780 m	243.700 m
24 August 2026	244.540 m	242.290 m to 244.530 m	243.780 m	243.700 m
25 August 2026	244.540 m	242.290 m to 244.540 m	243.785 m	243.710 m
26 August 2026	244.500 m	242.290 m to 244.540 m	243.780 m	243.730 m
27 August 2026	244.470 m	242.294 m to 244.540 m	243.780 m	243.750 m
28 August 2026	244.480 m	242.305 m to 244.545 m	243.780 m	243.730 m
29 August 2026	244.510 m	242.310 m to 244.550 m	243.790 m	243.710 m
30 August 2026	244.520 m	242.310 m to 244.550 m	243.790 m	243.740 m
31 August 2026	244.530 m	242.310 m to 244.560 m	243.790 m	243.750 m
1 September 2026	244.490 m	242.310 m to 244.570 m	243.790 m	243.760 m
2 September 2026	244.480 m	242.316 m to 244.570 m	243.800 m	243.760 m
3 September 2026	244.470 m	242.320 m to 244.570 m	243.800 m	243.780 m
4 September 2026	244.500 m	242.320 m to 244.570 m	243.810 m	243.790 m
5 September 2026	244.520 m	242.340 m to 244.570 m	243.810 m	243.800 m
6 September 2026	244.510 m	242.346 m to 244.580 m	243.810 m	243.800 m
7 September 2026	244.500 m	242.350 m to 244.580 m	243.820 m	243.810 m
8 September 2026	244.520 m	242.350 m to 244.580 m	243.820 m	243.820 m
9 September 2026	244.540 m	242.356 m to 244.590 m	243.820 m	243.820 m
10 September 2026	244.530 m	242.356 m to 244.600 m	243.830 m	243.800 m
11 September 2026	244.540 m	242.360 m to 244.610 m	243.830 m	243.820 m
12 September 2026	244.510 m	242.360 m to 244.614 m	243.850 m	243.830 m
13 September 2026	244.510 m	242.366 m to 244.620 m	243.850 m	243.850 m
14 September 2026	244.530 m	242.370 m to 244.620 m	243.850 m	243.850 m
15 September 2026	244.490 m	242.370 m to 244.630 m	243.860 m	243.850 m
16 September 2026	244.510 m	242.370 m to 244.634 m	243.860 m	243.870 m
17 September 2026	244.560 m	242.370 m to 244.640 m	243.870 m	243.890 m
18 September 2026	244.570 m	242.370 m to 244.650 m	243.880 m	243.880 m
19 September 2026	244.570 m	242.382 m to 244.660 m	243.890 m	243.890 m
20 September 2026	244.610 m	242.396 m to 244.660 m	243.900 m	243.900 m
21 September 2026	244.610 m	242.400 m to 244.670 m	243.900 m	243.910 m
22 September 2026	244.570 m	242.406 m to 244.680 m	243.900 m	243.970 m
23 September 2026	244.560 m	242.422 m to 244.690 m	243.910 m	243.960 m
24 September 2026	244.570 m	242.448 m to 244.704 m	243.910 m	243.910 m
25 September 2026	244.600 m	242.460 m to 244.710 m	243.920 m	243.920 m
26 September 2026	244.600 m	242.466 m to 244.720 m	243.920 m	243.930 m
27 September 2026	244.610 m	242.470 m to 244.730 m	243.930 m	243.940 m
28 September 2026	244.590 m	242.476 m to 244.740 m	243.940 m	243.950 m
29 September 2026	244.610 m	242.486 m to 244.740 m	243.950 m	243.960 m
30 September 2026	244.600 m	242.496 m to 244.750 m	243.950 m	243.960 m
1 October 2026	244.610 m	242.500 m to 244.750 m	243.960 m	243.950 m
2 October 2026	244.620 m	242.500 m to 244.750 m	243.960 m	243.940 m
3 October 2026	244.620 m	242.512 m to 244.750 m	243.970 m	243.960 m
4 October 2026	244.640 m	242.520 m to 244.750 m	243.990 m	243.970 m
5 October 2026	244.640 m	242.526 m to 244.754 m	243.990 m	243.990 m
6 October 2026	244.680 m	242.530 m to 244.754 m	244.000 m	244.000 m
7 October 2026	244.670 m	242.536 m to 244.754 m	244.000 m	243.990 m
8 October 2026	244.620 m	242.546 m to 244.754 m	244.000 m	244.000 m
9 October 2026	244.640 m	242.556 m to 244.760 m	244.010 m	244.000 m
10 October 2026	244.660 m	242.560 m to 244.760 m	244.020 m	244.020 m
11 October 2026	244.650 m	242.566 m to 244.760 m	244.020 m	244.040 m
12 October 2026	244.630 m	242.570 m to 244.760 m	244.020 m	244.060 m
13 October 2026	244.620 m	242.570 m to 244.760 m	244.030 m	244.040 m
14 October 2026	244.610 m	242.570 m to 244.760 m	244.030 m	244.020 m
15 October 2026	244.600 m	242.554 m to 244.754 m	244.030 m	244.030 m
16 October 2026	244.660 m	242.530 m to 244.754 m	244.030 m	244.050 m
17 October 2026	244.690 m	242.530 m to 244.754 m	244.040 m	244.020 m
18 October 2026	244.660 m	242.530 m to 244.754 m	244.040 m	244.000 m
19 October 2026	244.650 m	242.530 m to 244.754 m	244.040 m	244.030 m
20 October 2026	244.660 m	242.530 m to 244.754 m	244.040 m	244.040 m
21 October 2026	244.650 m	242.530 m to 244.760 m	244.040 m	244.040 m
22 October 2026	244.650 m	242.530 m to 244.760 m	244.050 m	244.060 m
23 October 2026	244.650 m	242.530 m to 244.760 m	244.050 m	244.090 m
24 October 2026	244.650 m	242.536 m to 244.760 m	244.050 m	244.110 m
25 October 2026	244.660 m	242.546 m to 244.750 m	244.060 m	244.130 m
26 October 2026	244.680 m	242.562 m to 244.750 m	244.060 m	244.150 m

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

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

Daily values of Lake Porttipahta at Porttipahta (upstream) 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	244.150 m	242.562 m to 244.750 m	244.060 m
27 October 2025	244.180 m	242.576 m to 244.750 m	244.060 m
28 October 2025	244.200 m	242.576 m to 244.750 m	244.060 m
29 October 2025	244.200 m	242.576 m to 244.740 m	244.060 m
30 October 2025	244.220 m	242.576 m to 244.734 m	244.060 m
31 October 2025	244.230 m	242.576 m to 244.730 m	244.060 m
1 November 2025	244.240 m	242.576 m to 244.730 m	244.060 m
2 November 2025	244.250 m	242.576 m to 244.730 m	244.060 m
3 November 2025	244.280 m	242.572 m to 244.724 m	244.060 m
4 November 2025	244.280 m	242.552 m to 244.720 m	244.060 m
5 November 2025	244.300 m	242.532 m to 244.720 m	244.060 m
6 November 2025	244.300 m	242.512 m to 244.720 m	244.060 m
7 November 2025	244.310 m	242.496 m to 244.714 m	244.060 m
8 November 2025	244.300 m	242.496 m to 244.710 m	244.060 m
9 November 2025	244.320 m	242.496 m to 244.710 m	244.060 m
10 November 2025	244.300 m	242.496 m to 244.710 m	244.060 m
11 November 2025	244.290 m	242.496 m to 244.700 m	244.050 m
12 November 2025	244.310 m	242.496 m to 244.700 m	244.050 m
13 November 2025	244.360 m	242.496 m to 244.700 m	244.050 m
14 November 2025	244.370 m	242.496 m to 244.700 m	244.040 m
15 November 2025	244.340 m	242.496 m to 244.700 m	244.040 m
16 November 2025	244.350 m	242.506 m to 244.690 m	244.030 m
17 November 2025	244.330 m	242.510 m to 244.690 m	244.020 m
18 November 2025	244.310 m	242.506 m to 244.684 m	244.010 m
19 November 2025	244.290 m	242.500 m to 244.680 m	244.000 m
20 November 2025	244.280 m	242.500 m to 244.674 m	244.000 m
21 November 2025	244.270 m	242.496 m to 244.660 m	243.990 m
22 November 2025	244.270 m	242.490 m to 244.650 m	243.990 m
23 November 2025	244.280 m	242.476 m to 244.644 m	243.970 m
24 November 2025	244.270 m	242.460 m to 244.630 m	243.970 m
25 November 2025	244.250 m	242.446 m to 244.624 m	243.960 m
26 November 2025	244.240 m	242.430 m to 244.610 m	243.950 m
27 November 2025	244.260 m	242.410 m to 244.590 m	243.930 m
28 November 2025	244.290 m	242.402 m to 244.580 m	243.910 m
29 November 2025	244.300 m	242.378 m to 244.570 m	243.900 m
30 November 2025	244.310 m	242.348 m to 244.570 m	243.890 m
1 December 2025	244.290 m	242.318 m to 244.560 m	243.880 m
2 December 2025	244.270 m	242.296 m to 244.550 m	243.870 m
3 December 2025	244.290 m	242.286 m to 244.540 m	243.860 m
4 December 2025	244.260 m	242.276 m to 244.530 m	243.860 m
5 December 2025	244.240 m	242.270 m to 244.520 m	243.860 m
6 December 2025	244.230 m	242.270 m to 244.504 m	243.850 m
7 December 2025	244.240 m	242.270 m to 244.494 m	243.820 m
8 December 2025	244.230 m	242.270 m to 244.480 m	243.810 m
9 December 2025	244.220 m	242.270 m to 244.460 m	243.800 m
10 December 2025	244.220 m	242.270 m to 244.450 m	243.790 m
11 December 2025	244.210 m	242.270 m to 244.430 m	243.780 m
12 December 2025	244.180 m	242.260 m to 244.420 m	243.760 m
13 December 2025	244.160 m	242.260 m to 244.404 m	243.740 m
14 December 2025	244.170 m	242.250 m to 244.390 m	243.730 m
15 December 2025	244.170 m	242.242 m to 244.380 m	243.710 m
16 December 2025	244.160 m	242.230 m to 244.360 m	243.700 m
17 December 2025	244.160 m	242.200 m to 244.350 m	243.670 m
18 December 2025	244.160 m	242.182 m to 244.330 m	243.650 m
19 December 2025	244.190 m	242.162 m to 244.314 m	243.640 m
20 December 2025	244.220 m	242.132 m to 244.290 m	243.620 m
21 December 2025	244.220 m	242.100 m to 244.270 m	243.600 m
22 December 2025	244.190 m	242.076 m to 244.250 m	243.590 m
23 December 2025	244.170 m	242.036 m to 244.234 m	243.570 m
24 December 2025	244.160 m	242.006 m to 244.224 m	243.550 m
25 December 2025	244.180 m	241.970 m to 244.210 m	243.490 m
26 December 2025	244.200 m	241.931 m to 244.210 m	243.475 m
27 December 2025	244.220 m	241.900 m to 244.200 m	243.455 m
28 December 2025	244.220 m	241.870 m to 244.180 m	243.440 m
29 December 2025	244.230 m	241.831 m to 244.169 m	243.425 m
30 December 2025	244.210 m	241.801 m to 244.149 m	243.405 m
31 December 2025	244.190 m	241.752 m to 244.140 m	243.385 m
1 January 2026	244.170 m	241.713 m to 244.130 m	243.370 m
2 January 2026	244.160 m	241.673 m to 244.110 m	243.355 m
3 January 2026	244.130 m	241.643 m to 244.100 m	243.340 m
4 January 2026	244.120 m	241.612 m to 244.090 m	243.330 m
5 January 2026	244.090 m	241.233 m to 244.070 m	243.300 m
6 January 2026	244.050 m	241.224 m to 244.050 m	243.280 m
7 January 2026	244.020 m	241.220 m to 244.030 m	243.260 m
8 January 2026	244.000 m	241.220 m to 244.010 m	243.240 m
9 January 2026	243.980 m	241.226 m to 243.990 m	243.230 m
10 January 2026	243.980 m	241.236 m to 243.970 m	243.200 m
11 January 2026	243.970 m	241.236 m to 243.950 m	243.180 m
12 January 2026	243.940 m	241.236 m to 243.934 m	243.160 m
13 January 2026	243.920 m	241.236 m to 243.920 m	243.150 m
14 January 2026	243.890 m	241.236 m to 243.890 m	243.130 m
15 January 2026	243.860 m	241.230 m to 243.870 m	243.110 m
16 January 2026	243.830 m	241.226 m to 243.850 m	243.090 m
17 January 2026	243.820 m	241.182 m to 243.830 m	243.080 m
18 January 2026	243.800 m	241.142 m to 243.814 m	243.060 m
19 January 2026	243.780 m	241.092 m to 243.800 m	243.040 m
20 January 2026	243.770 m	241.048 m to 243.780 m	243.010 m
21 January 2026	243.750 m	241.004 m to 243.760 m	242.990 m
22 January 2026	243.720 m	240.960 m to 243.734 m	242.960 m
23 January 2026	243.700 m	240.914 m to 243.710 m	242.950 m
24 January 2026	243.680 m	240.862 m to 243.700 m	242.930 m
25 January 2026	243.670 m	240.812 m to 243.674 m	242.920 m
26 January 2026	243.650 m	240.772 m to 243.660 m	242.900 m
27 January 2026	243.620 m	240.716 m to 243.640 m	242.890 m
28 January 2026	243.590 m	240.672 m to 243.620 m	242.870 m
29 January 2026	243.560 m	240.628 m to 243.600 m	242.850 m
30 January 2026	243.530 m	240.588 m to 243.580 m	242.840 m
31 January 2026	243.500 m	240.540 m to 243.560 m	242.830 m
1 February 2026	243.500 m	240.492 m to 243.544 m	242.810 m
2 February 2026	243.490 m	240.458 m to 243.530 m	242.790 m
3 February 2026	243.460 m	240.416 m to 243.510 m	242.780 m
4 February 2026	243.440 m	240.378 m to 243.494 m	242.760 m
5 February 2026	243.410 m	240.342 m to 243.470 m	242.740 m
6 February 2026	243.380 m	240.296 m to 243.450 m	242.720 m
7 February 2026	243.350 m	240.272 m to 243.430 m	242.700 m
8 February 2026	243.320 m	240.230 m to 243.420 m	242.690 m
9 February 2026	243.290 m	240.190 m to 243.394 m	242.670 m
10 February 2026	243.260 m	240.152 m to 243.370 m	242.650 m
11 February 2026	243.230 m	240.146 m to 243.350 m	242.630 m
12 February 2026	243.200 m	240.146 m to 243.320 m	242.620 m
13 February 2026	243.170 m	240.140 m to 243.310 m	242.600 m
14 February 2026	243.150 m	240.136 m to 243.284 m	242.570 m
15 February 2026	243.130 m	240.126 m to 243.264 m	242.550 m
16 February 2026	243.100 m	240.120 m to 243.240 m	242.530 m
17 February 2026	243.070 m	240.116 m to 243.230 m	242.520 m
18 February 2026	243.040 m	240.102 m to 243.200 m	242.510 m
19 February 2026	243.010 m	240.090 m to 243.174 m	242.490 m
20 February 2026	242.980 m	240.070 m to 243.154 m	242.470 m
21 February 2026	242.980 m	240.016 m to 243.130 m	242.450 m
22 February 2026	242.970 m	239.956 m to 243.110 m	242.420 m
23 February 2026	242.940 m	239.900 m to 243.094 m	242.410 m
24 February 2026	242.910 m	239.846 m to 243.070 m	242.380 m
25 February 2026	242.870 m	239.790 m to 243.050 m	242.360 m
26 February 2026	242.860 m	239.744 m to 243.020 m	242.330 m
27 February 2026	242.850 m	239.704 m to 243.000 m	242.310 m
28 February 2026	242.810 m	239.656 m to 242.990 m	242.280 m
1 March 2026	242.790 m	239.604 m to 242.970 m	242.250 m
2 March 2026	242.770 m	239.572 m to 242.960 m	242.220 m
3 March 2026	242.760 m	239.560 m to 242.934 m	242.190 m
4 March 2026	242.800 m	239.560 m to 242.910 m	242.170 m
5 March 2026	242.800 m	239.560 m to 242.890 m	242.140 m
6 March 2026	242.800 m	239.560 m to 242.870 m	242.120 m
7 March 2026	242.830 m	239.560 m to 242.844 m	242.100 m
8 March 2026	242.850 m	239.560 m to 242.824 m	242.080 m
9 March 2026	242.860 m	239.560 m to 242.794 m	242.060 m
10 March 2026	242.870 m	239.560 m to 242.770 m	242.030 m
11 March 2026	242.880 m	239.566 m to 242.740 m	242.020 m
12 March 2026	242.900 m	239.576 m to 242.720 m	242.000 m
13 March 2026	242.930 m	239.580 m to 242.700 m	241.990 m
14 March 2026	242.950 m	239.586 m to 242.680 m	241.960 m
15 March 2026	242.930 m	239.590 m to 242.650 m	241.950 m
16 March 2026	242.910 m	239.596 m to 242.624 m	241.940 m
17 March 2026	242.910 m	239.600 m to 242.600 m	241.930 m
18 March 2026	242.940 m	239.606 m to 242.580 m	241.920 m
19 March 2026	242.960 m	239.610 m to 242.560 m	241.900 m
20 March 2026	242.950 m	239.616 m to 242.550 m	241.880 m
21 March 2026	242.960 m	239.620 m to 242.540 m	241.860 m
22 March 2026	242.960 m	239.626 m to 242.530 m	241.860 m
23 March 2026	242.980 m	239.636 m to 242.520 m	241.840 m
24 March 2026	242.980 m	239.646 m to 242.510 m	241.830 m
25 March 2026	242.990 m	239.656 m to 242.500 m	241.820 m
26 March 2026	243.000 m	239.660 m to 242.490 m	241.810 m
27 March 2026	243.010 m	239.666 m to 242.480 m	241.790 m
28 March 2026	243.010 m	239.676 m to 242.470 m	241.770 m
29 March 2026	242.990 m	239.680 m to 242.470 m	241.750 m
30 March 2026	242.980 m	239.686 m to 242.470 m	241.740 m
31 March 2026	242.990 m	239.690 m to 242.470 m	241.740 m
1 April 2026	243.000 m	239.702 m to 242.460 m	241.730 m
2 April 2026	242.980 m	239.710 m to 242.454 m	241.730 m
3 April 2026	242.960 m	239.706 m to 242.440 m	241.730 m
4 April 2026	242.980 m	239.696 m to 242.434 m	241.730 m
5 April 2026	243.000 m	239.690 m to 242.434 m	241.720 m
6 April 2026	243.010 m	239.690 m to 242.434 m	241.730 m
7 April 2026	243.010 m	239.656 m to 242.434 m	241.730 m
8 April 2026	243.010 m	239.642 m to 242.434 m	241.730 m
9 April 2026	243.010 m	239.626 m to 242.434 m	241.730 m
10 April 2026	243.010 m	239.602 m to 242.440 m	241.730 m
11 April 2026	243.010 m	239.572 m to 242.440 m	241.730 m
12 April 2026	243.020 m	239.560 m to 242.440 m	241.730 m
13 April 2026	243.020 m	239.548 m to 242.440 m	241.730 m
14 April 2026	243.030 m	239.514 m to 242.440 m	241.730 m
15 April 2026	243.030 m	239.478 m to 242.440 m	241.730 m
16 April 2026	243.040 m	239.452 m to 242.444 m	241.740 m
17 April 2026	243.040 m	239.436 m to 242.450 m	241.740 m
18 April 2026	243.050 m	239.422 m to 242.450 m	241.740 m
19 April 2026	243.060 m	239.410 m to 242.454 m	241.750 m
20 April 2026	243.070 m	239.410 m to 242.460 m	241.760 m
21 April 2026	243.080 m	239.416 m to 242.460 m	241.770 m
22 April 2026	243.090 m	239.420 m to 242.470 m	241.770 m
23 April 2026	243.110 m	239.420 m to 242.510 m	241.790 m
24 April 2026	243.120 m	239.420 m to 242.524 m	241.800 m
25 April 2026	243.140 m	239.426 m to 242.534 m	241.810 m
26 April 2026	243.160 m	239.430 m to 242.550 m	241.820 m
27 April 2026	243.170 m	239.430 m to 242.570 m	241.830 m
28 April 2026	243.170 m	239.512 m to 242.580 m	241.840 m
29 April 2026	243.180 m	239.650 m to 242.600 m	241.850 m
30 April 2026	243.200 m	239.794 m to 242.600 m	241.860 m
1 May 2026	243.220 m	239.860 m to 242.640 m	241.870 m
2 May 2026	243.250 m	239.866 m to 242.664 m	241.880 m
3 May 2026	243.310 m	239.880 m to 242.700 m	241.890 m
4 May 2026	243.370 m	239.890 m to 242.760 m	241.920 m
5 May 2026	243.430 m	239.896 m to 242.810 m	241.940 m
6 May 2026	243.480 m	239.916 m to 242.890 m	242.000 m
7 May 2026	243.520 m	239.936 m to 242.970 m	242.030 m
8 May 2026	243.550 m	239.960 m to 243.040 m	242.060 m
9 May 2026	243.580 m	239.976 m to 243.090 m	242.080 m
10 May 2026	243.610 m	239.996 m to 243.120 m	242.100 m
11 May 2026	243.650 m	240.016 m to 243.180 m	242.120 m
12 May 2026	243.700 m	240.046 m to 243.234 m	242.190 m
13 May 2026	243.750 m	240.112 m to 243.284 m	242.300 m
14 May 2026	243.800 m	240.146 m to 243.334 m	242.410 m
15 May 2026	243.840 m	240.166 m to 243.350 m	242.490 m
16 May 2026	243.870 m	240.212 m to 243.400 m	242.560 m
17 May 2026	243.900 m	240.330 m to 243.488 m	242.630 m
18 May 2026	243.930 m	240.512 m to 243.564 m	242.700 m
19 May 2026	243.950 m	240.732 m to 243.620 m	242.770 m
20 May 2026	243.990 m	240.946 m to 243.660 m	242.860 m
21 May 2026	244.010 m	241.056 m to 243.700 m	242.940 m
22 May 2026	244.020 m	241.128 m to 243.740 m	242.980 m
23 May 2026	244.040 m	241.206 m to 243.760 m	243.020 m
24 May 2026	244.060 m	241.286 m to 243.774 m	243.060 m
25 May 2026	244.090 m	241.346 m to 243.790 m	243.100 m
26 May 2026	244.100 m	241.390 m to 243.804 m	243.130 m
27 May 2026	244.130 m	241.430 m to 243.820 m	243.150 m
28 May 2026	244.130 m	241.456 m to 243.830 m	243.170 m
29 May 2026	244.120 m	241.472 m to 243.840 m	243.210 m
30 May 2026	244.140 m	241.546 m to 243.854 m	243.230 m
31 May 2026	244.150 m	241.590 m to 243.884 m	243.250 m
1 June 2026	244.160 m	241.646 m to 243.910 m	243.270 m
2 June 2026	244.140 m	241.686 m to 243.930 m	243.290 m
3 June 2026	244.140 m	241.748 m to 243.940 m	243.300 m
4 June 2026	244.150 m	241.786 m to 243.950 m	243.320 m
5 June 2026	244.170 m	241.826 m to 243.960 m	243.330 m
6 June 2026	244.170 m	241.836 m to 243.970 m	243.340 m
7 June 2026	244.180 m	241.840 m to 243.980 m	243.340 m
8 June 2026	244.190 m	241.840 m to 243.990 m	243.350 m
9 June 2026	244.160 m	241.846 m to 244.004 m	243.360 m
10 June 2026	244.180 m	241.850 m to 244.010 m	243.360 m
11 June 2026	244.190 m	241.850 m to 244.030 m	243.370 m
12 June 2026	244.170 m	241.850 m to 244.044 m	243.380 m
13 June 2026	244.190 m	241.862 m to 244.074 m	243.380 m
14 June 2026	244.210 m	241.870 m to 244.090 m	243.390 m
15 June 2026	244.230 m	241.876 m to 244.100 m	243.400 m
16 June 2026	244.250 m	241.880 m to 244.110 m	243.400 m
17 June 2026	244.270 m	241.880 m to 244.120 m	243.410 m
18 June 2026	244.270 m	241.880 m to 244.130 m	243.410 m
19 June 2026	244.280 m	241.886 m to 244.160 m	243.420 m
20 June 2026	244.300 m	241.895 m to 244.185 m	243.425 m
21 June 2026	244.340 m	241.912 m to 244.200 m	243.430 m
22 June 2026	244.360 m	241.939 m to 244.227 m	243.430 m
23 June 2026	244.390 m	241.933 m to 244.240 m	243.445 m
24 June 2026	244.410 m	241.963 m to 244.259 m	243.460 m
25 June 2026	244.420 m	241.992 m to 244.260 m	243.470 m
26 June 2026	244.420 m	242.013 m to 244.270 m	243.480 m
27 June 2026	244.430 m	242.040 m to 244.270 m	243.490 m
28 June 2026	244.420 m	242.040 m to 244.280 m	243.505 m
29 June 2026	244.410 m	242.040 m to 244.280 m	243.510 m
30 June 2026	244.400 m	242.040 m to 244.280 m	243.515 m
1 July 2026	244.400 m	242.040 m to 244.290 m	243.530 m
2 July 2026	244.410 m	242.041 m to 244.290 m	243.530 m
3 July 2026	244.430 m	242.050 m to 244.290 m	243.540 m
4 July 2026	244.440 m	242.050 m to 244.299 m	243.545 m
5 July 2026	244.450 m	242.050 m to 244.310 m	243.550 m
6 July 2026	244.460 m	242.050 m to 244.320 m	243.555 m
7 July 2026	244.460 m	242.050 m to 244.329 m	243.570 m
8 July 2026	244.470 m	242.050 m to 244.339 m	243.580 m
9 July 2026	244.480 m	242.052 m to 244.340 m	243.590 m
10 July 2026	244.470 m	242.071 m to 244.340 m	243.600 m
11 July 2026	244.480 m	242.080 m to 244.350 m	243.600 m
12 July 2026	244.490 m	242.080 m to 244.360 m	243.610 m
13 July 2026	244.480 m	242.080 m to 244.370 m	243.610 m
14 July 2026	244.490 m	242.082 m to 244.379 m	243.610 m
15 July 2026	244.480 m	242.101 m to 244.380 m	243.615 m
16 July 2026	244.470 m	242.111 m to 244.380 m	243.620 m
17 July 2026	244.470 m	242.122 m to 244.389 m	243.620 m
18 July 2026	244.470 m	242.143 m to 244.400 m	243.620 m
19 July 2026	244.470 m	242.173 m to 244.419 m	243.620 m
20 July 2026	244.470 m	242.201 m to 244.420 m	243.620 m
21 July 2026	244.470 m	242.211 m to 244.430 m	243.620 m
22 July 2026	244.490 m	242.221 m to 244.430 m	243.620 m
23 July 2026	244.490 m	242.231 m to 244.440 m	243.620 m
24 July 2026	244.460 m	242.240 m to 244.450 m	243.630 m
25 July 2026	244.470 m	242.250 m to 244.459 m	243.630 m
26 July 2026	244.490 m	242.251 m to 244.460 m	243.630 m
27 July 2026	244.500 m	242.260 m to 244.469 m	243.640 m
28 July 2026	244.500 m	242.261 m to 244.470 m	243.645 m
29 July 2026	244.510 m	242.270 m to 244.480 m	243.650 m
30 July 2026	244.500 m	242.270 m to 244.490 m	243.660 m
31 July 2026	244.510 m	242.270 m to 244.500 m	243.660 m
1 August 2026	244.530 m	242.271 m to 244.500 m	243.670 m
2 August 2026	244.540 m	242.271 m to 244.510 m	243.680 m
3 August 2026	244.550 m	242.271 m to 244.519 m	243.690 m
4 August 2026	244.540 m	242.271 m to 244.520 m	243.690 m
5 August 2026	244.500 m	242.271 m to 244.520 m	243.700 m
6 August 2026	244.480 m	242.270 m to 244.520 m	243.705 m
7 August 2026	244.500 m	242.270 m to 244.520 m	243.715 m
8 August 2026	244.520 m	242.270 m to 244.529 m	243.720 m
9 August 2026	244.510 m	242.270 m to 244.529 m	243.730 m
10 August 2026	244.520 m	242.271 m to 244.529 m	243.730 m
11 August 2026	244.530 m	242.271 m to 244.529 m	243.735 m
12 August 2026	244.510 m	242.271 m to 244.520 m	243.740 m
13 August 2026	244.480 m	242.271 m to 244.520 m	243.740 m
14 August 2026	244.480 m	242.271 m to 244.519 m	243.750 m
15 August 2026	244.520 m	242.271 m to 244.510 m	243.750 m
16 August 2026	244.540 m	242.271 m to 244.510 m	243.750 m
17 August 2026	244.560 m	242.280 m to 244.510 m	243.760 m
18 August 2026	244.580 m	242.280 m to 244.520 m	243.760 m
19 August 2026	244.580 m	242.280 m to 244.520 m	243.760 m
20 August 2026	244.570 m	242.281 m to 244.520 m	243.760 m
21 August 2026	244.540 m	242.290 m to 244.520 m	243.760 m
22 August 2026	244.520 m	242.290 m to 244.530 m	243.775 m
23 August 2026	244.540 m	242.290 m to 244.530 m	243.780 m
24 August 2026	244.540 m	242.290 m to 244.530 m	243.780 m
25 August 2026	244.540 m	242.290 m to 244.540 m	243.785 m
26 August 2026	244.500 m	242.290 m to 244.540 m	243.780 m
27 August 2026	244.470 m	242.294 m to 244.540 m	243.780 m
28 August 2026	244.480 m	242.305 m to 244.545 m	243.780 m
29 August 2026	244.510 m	242.310 m to 244.550 m	243.790 m
30 August 2026	244.520 m	242.310 m to 244.550 m	243.790 m
31 August 2026	244.530 m	242.310 m to 244.560 m	243.790 m
1 September 2026	244.490 m	242.310 m to 244.570 m	243.790 m
2 September 2026	244.480 m	242.316 m to 244.570 m	243.800 m
3 September 2026	244.470 m	242.320 m to 244.570 m	243.800 m
4 September 2026	244.500 m	242.320 m to 244.570 m	243.810 m
5 September 2026	244.520 m	242.340 m to 244.570 m	243.810 m
6 September 2026	244.510 m	242.346 m to 244.580 m	243.810 m
7 September 2026	244.500 m	242.350 m to 244.580 m	243.820 m
8 September 2026	244.520 m	242.350 m to 244.580 m	243.820 m
9 September 2026	244.540 m	242.356 m to 244.590 m	243.820 m
10 September 2026	244.530 m	242.356 m to 244.600 m	243.830 m
11 September 2026	244.540 m	242.360 m to 244.610 m	243.830 m
12 September 2026	244.510 m	242.360 m to 244.614 m	243.850 m
13 September 2026	244.510 m	242.366 m to 244.620 m	243.850 m
14 September 2026	244.530 m	242.370 m to 244.620 m	243.850 m
15 September 2026	244.490 m	242.370 m to 244.630 m	243.860 m
16 September 2026	244.510 m	242.370 m to 244.634 m	243.860 m
17 September 2026	244.560 m	242.370 m to 244.640 m	243.870 m
18 September 2026	244.570 m	242.370 m to 244.650 m	243.880 m
19 September 2026	244.570 m	242.382 m to 244.660 m	243.890 m
20 September 2026	244.610 m	242.396 m to 244.660 m	243.900 m
21 September 2026	244.610 m	242.400 m to 244.670 m	243.900 m
22 September 2026	244.570 m	242.406 m to 244.680 m	243.900 m
23 September 2026	244.560 m	242.422 m to 244.690 m	243.910 m
24 September 2026	244.570 m	242.448 m to 244.704 m	243.910 m
25 September 2026	244.600 m	242.460 m to 244.710 m	243.920 m
26 September 2026	244.600 m	242.466 m to 244.720 m	243.920 m
27 September 2026	244.610 m	242.470 m to 244.730 m	243.930 m
28 September 2026	244.590 m	242.476 m to 244.740 m	243.940 m
29 September 2026	244.610 m	242.486 m to 244.740 m	243.950 m
30 September 2026	244.600 m	242.496 m to 244.750 m	243.950 m
1 October 2026	244.610 m	242.500 m to 244.750 m	243.960 m
2 October 2026	244.620 m	242.500 m to 244.750 m	243.960 m
3 October 2026	244.620 m	242.512 m to 244.750 m	243.970 m
4 October 2026	244.640 m	242.520 m to 244.750 m	243.990 m
5 October 2026	244.640 m	242.526 m to 244.754 m	243.990 m
6 October 2026	244.680 m	242.530 m to 244.754 m	244.000 m
7 October 2026	244.670 m	242.536 m to 244.754 m	244.000 m
8 October 2026	244.620 m	242.546 m to 244.754 m	244.000 m
9 October 2026	244.640 m	242.556 m to 244.760 m	244.010 m
10 October 2026	244.660 m	242.560 m to 244.760 m	244.020 m
11 October 2026	244.650 m	242.566 m to 244.760 m	244.020 m
12 October 2026	244.630 m	242.570 m to 244.760 m	244.020 m
13 October 2026	244.620 m	242.570 m to 244.760 m	244.030 m
14 October 2026	244.610 m	242.570 m to 244.760 m	244.030 m
15 October 2026	244.600 m	242.554 m to 244.754 m	244.030 m
16 October 2026	244.660 m	242.530 m to 244.754 m	244.030 m
17 October 2026	244.690 m	242.530 m to 244.754 m	244.040 m
18 October 2026	244.660 m	242.530 m to 244.754 m	244.040 m
19 October 2026	244.650 m	242.530 m to 244.754 m	244.040 m
20 October 2026	244.660 m	242.530 m to 244.754 m	244.040 m
21 October 2026	244.650 m	242.530 m to 244.760 m	244.040 m
22 October 2026	244.650 m	242.530 m to 244.760 m	244.050 m
23 October 2026	244.650 m	242.530 m to 244.760 m	244.050 m
24 October 2026	244.650 m	242.536 m to 244.760 m	244.050 m
25 October 2026	244.660 m	242.546 m to 244.750 m	244.060 m
26 October 2026	244.680 m	242.562 m to 244.750 m	244.060 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of Lake Porttipahta at Porttipahta (upstream) 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	244.563 m
31 October 2016	244.484 m
7 November 2016	244.407 m
14 November 2016	244.381 m
21 November 2016	244.370 m
28 November 2016	244.324 m
5 December 2016	244.264 m
12 December 2016	244.137 m
19 December 2016	244.044 m
26 December 2016	244.029 m
2 January 2017	243.916 m
9 January 2017	243.789 m
16 January 2017	243.677 m
23 January 2017	243.527 m
30 January 2017	243.391 m
6 February 2017	243.243 m
13 February 2017	243.120 m
20 February 2017	243.013 m
27 February 2017	242.883 m
6 March 2017	242.747 m
13 March 2017	242.631 m
20 March 2017	242.520 m
27 March 2017	242.381 m
3 April 2017	242.290 m
10 April 2017	242.189 m
17 April 2017	242.051 m
24 April 2017	241.879 m
1 May 2017	241.751 m
8 May 2017	241.717 m
15 May 2017	241.764 m
22 May 2017	242.257 m
29 May 2017	242.721 m
5 June 2017	243.034 m
12 June 2017	243.221 m
19 June 2017	243.354 m
26 June 2017	243.470 m
3 July 2017	243.544 m
10 July 2017	243.684 m
17 July 2017	243.896 m
24 July 2017	243.969 m
31 July 2017	243.991 m
7 August 2017	243.997 m
14 August 2017	243.944 m
21 August 2017	243.983 m
28 August 2017	243.930 m
4 September 2017	243.863 m
11 September 2017	243.917 m
18 September 2017	243.920 m
25 September 2017	243.886 m
2 October 2017	243.901 m
9 October 2017	243.906 m
16 October 2017	243.947 m
23 October 2017	243.934 m
30 October 2017	243.927 m
6 November 2017	243.954 m
13 November 2017	243.990 m
20 November 2017	243.973 m
27 November 2017	243.913 m
4 December 2017	243.873 m
11 December 2017	243.839 m
18 December 2017	243.751 m
25 December 2017	243.743 m
1 January 2018	243.673 m
8 January 2018	243.570 m
15 January 2018	243.453 m
22 January 2018	243.309 m
29 January 2018	243.161 m
5 February 2018	242.986 m
12 February 2018	242.823 m
19 February 2018	242.669 m
26 February 2018	242.467 m
5 March 2018	242.286 m
12 March 2018	242.086 m
19 March 2018	241.876 m
26 March 2018	241.651 m
2 April 2018	241.449 m
9 April 2018	241.263 m
16 April 2018	241.043 m
23 April 2018	240.907 m
30 April 2018	241.169 m
7 May 2018	241.833 m
14 May 2018	243.007 m
21 May 2018	243.077 m
28 May 2018	242.994 m
4 June 2018	242.964 m
11 June 2018	242.960 m
18 June 2018	243.026 m
25 June 2018	243.046 m
2 July 2018	243.043 m
9 July 2018	243.000 m
16 July 2018	242.869 m
23 July 2018	242.739 m
30 July 2018	242.726 m
6 August 2018	242.650 m
13 August 2018	242.651 m
20 August 2018	242.669 m
27 August 2018	242.666 m
3 September 2018	242.633 m
10 September 2018	242.670 m
17 September 2018	242.807 m
24 September 2018	242.913 m
1 October 2018	242.963 m
8 October 2018	242.997 m
15 October 2018	243.057 m
22 October 2018	243.063 m
29 October 2018	243.019 m
5 November 2018	243.036 m
12 November 2018	243.069 m
19 November 2018	243.019 m
26 November 2018	242.889 m
3 December 2018	242.910 m
10 December 2018	242.857 m
17 December 2018	242.673 m
24 December 2018	242.509 m
31 December 2018	242.389 m
7 January 2019	242.271 m
14 January 2019	242.160 m
21 January 2019	241.956 m
28 January 2019	241.757 m
4 February 2019	241.646 m
11 February 2019	241.620 m
18 February 2019	241.634 m
25 February 2019	241.520 m
4 March 2019	241.323 m
11 March 2019	241.121 m
18 March 2019	241.143 m
25 March 2019	241.181 m
1 April 2019	241.174 m
8 April 2019	241.046 m
15 April 2019	241.073 m
22 April 2019	241.284 m
29 April 2019	241.714 m
6 May 2019	241.871 m
13 May 2019	242.454 m
20 May 2019	242.664 m
27 May 2019	242.797 m
3 June 2019	242.933 m
10 June 2019	243.116 m
17 June 2019	243.186 m
24 June 2019	243.326 m
1 July 2019	243.399 m
8 July 2019	243.499 m
15 July 2019	243.489 m
22 July 2019	243.467 m
29 July 2019	243.393 m
5 August 2019	243.326 m
12 August 2019	243.323 m
19 August 2019	243.276 m
26 August 2019	243.224 m
2 September 2019	243.186 m
9 September 2019	243.106 m
16 September 2019	243.071 m
23 September 2019	243.001 m
30 September 2019	243.040 m
7 October 2019	243.003 m
14 October 2019	242.986 m
21 October 2019	242.950 m
28 October 2019	242.904 m
4 November 2019	242.811 m
11 November 2019	242.683 m
18 November 2019	242.621 m
25 November 2019	242.594 m
2 December 2019	242.536 m
9 December 2019	242.489 m
16 December 2019	242.424 m
23 December 2019	242.464 m
30 December 2019	242.541 m
6 January 2020	242.541 m
13 January 2020	242.514 m
20 January 2020	242.436 m
27 January 2020	242.301 m
3 February 2020	242.199 m
10 February 2020	242.063 m
17 February 2020	241.930 m
24 February 2020	241.743 m
2 March 2020	241.587 m
9 March 2020	241.520 m
16 March 2020	241.454 m
23 March 2020	241.389 m
30 March 2020	241.203 m
6 April 2020	241.026 m
13 April 2020	240.924 m
20 April 2020	240.784 m
27 April 2020	240.689 m
4 May 2020	240.823 m
11 May 2020	241.021 m
18 May 2020	241.236 m
25 May 2020	242.133 m
1 June 2020	243.311 m
8 June 2020	243.624 m
15 June 2020	243.619 m
22 June 2020	243.600 m
29 June 2020	243.689 m
6 July 2020	243.856 m
13 July 2020	243.937 m
20 July 2020	243.987 m
27 July 2020	244.040 m
3 August 2020	244.013 m
10 August 2020	243.994 m
17 August 2020	243.923 m
24 August 2020	243.897 m
31 August 2020	243.831 m
7 September 2020	243.854 m
14 September 2020	243.814 m
21 September 2020	243.833 m
28 September 2020	243.867 m
5 October 2020	243.899 m
12 October 2020	243.890 m
19 October 2020	243.881 m
26 October 2020	243.954 m
2 November 2020	244.086 m
9 November 2020	244.126 m
16 November 2020	244.194 m
23 November 2020	244.199 m
30 November 2020	244.191 m
7 December 2020	244.176 m
14 December 2020	244.127 m
21 December 2020	244.123 m
28 December 2020	244.089 m
4 January 2021	244.011 m
11 January 2021	243.874 m
18 January 2021	243.691 m
25 January 2021	243.547 m
1 February 2021	243.427 m
8 February 2021	243.283 m
15 February 2021	243.100 m
22 February 2021	242.980 m
1 March 2021	242.980 m
8 March 2021	242.890 m
15 March 2021	242.749 m
22 March 2021	242.703 m
29 March 2021	242.737 m
5 April 2021	242.740 m
12 April 2021	242.623 m
19 April 2021	242.590 m
26 April 2021	242.667 m
3 May 2021	242.656 m
10 May 2021	242.836 m
17 May 2021	243.569 m
24 May 2021	243.936 m
31 May 2021	243.974 m
7 June 2021	244.007 m
14 June 2021	244.016 m
21 June 2021	244.086 m
28 June 2021	244.063 m
5 July 2021	243.964 m
12 July 2021	243.837 m
19 July 2021	243.670 m
26 July 2021	243.543 m
2 August 2021	243.564 m
9 August 2021	243.627 m
16 August 2021	243.707 m
23 August 2021	243.727 m
30 August 2021	243.693 m
6 September 2021	243.659 m
13 September 2021	243.699 m
20 September 2021	243.704 m
27 September 2021	243.679 m
4 October 2021	243.739 m
11 October 2021	243.929 m
18 October 2021	244.106 m
25 October 2021	244.176 m
1 November 2021	244.277 m
8 November 2021	244.369 m
15 November 2021	244.357 m
22 November 2021	244.290 m
29 November 2021	244.190 m
6 December 2021	244.030 m
13 December 2021	243.904 m
20 December 2021	243.771 m
27 December 2021	243.613 m
3 January 2022	243.490 m
10 January 2022	243.350 m
17 January 2022	243.263 m
24 January 2022	243.119 m
31 January 2022	242.941 m
7 February 2022	242.814 m
14 February 2022	242.687 m
21 February 2022	242.511 m
28 February 2022	242.319 m
7 March 2022	242.120 m
14 March 2022	242.010 m
21 March 2022	241.987 m
28 March 2022	241.780 m
4 April 2022	241.594 m
11 April 2022	241.481 m
18 April 2022	241.434 m
25 April 2022	241.706 m
2 May 2022	241.907 m
9 May 2022	242.324 m
16 May 2022	243.019 m
23 May 2022	243.267 m
30 May 2022	243.411 m
6 June 2022	243.487 m
13 June 2022	243.524 m
20 June 2022	243.527 m
27 June 2022	243.517 m
4 July 2022	243.510 m
11 July 2022	243.423 m
18 July 2022	243.531 m
25 July 2022	243.626 m
1 August 2022	243.694 m
8 August 2022	243.759 m
15 August 2022	243.773 m
22 August 2022	243.736 m
29 August 2022	243.661 m
5 September 2022	243.551 m
12 September 2022	243.579 m
19 September 2022	243.621 m
26 September 2022	243.619 m
3 October 2022	243.654 m
10 October 2022	243.716 m
17 October 2022	243.774 m
24 October 2022	243.781 m
31 October 2022	243.809 m
7 November 2022	243.851 m
14 November 2022	243.794 m
21 November 2022	243.677 m
28 November 2022	243.590 m
5 December 2022	243.486 m
12 December 2022	243.321 m
19 December 2022	243.230 m
26 December 2022	243.237 m
2 January 2023	243.197 m
9 January 2023	243.107 m
16 January 2023	243.010 m
23 January 2023	242.914 m
30 January 2023	242.836 m
6 February 2023	242.743 m
13 February 2023	242.707 m
20 February 2023	242.536 m
27 February 2023	242.374 m
6 March 2023	242.153 m
13 March 2023	241.954 m
20 March 2023	241.931 m
27 March 2023	241.847 m
3 April 2023	241.613 m
10 April 2023	241.629 m
17 April 2023	241.584 m
24 April 2023	241.666 m
1 May 2023	241.766 m
8 May 2023	242.101 m
15 May 2023	242.960 m
22 May 2023	243.134 m
29 May 2023	243.131 m
5 June 2023	243.184 m
12 June 2023	243.200 m
19 June 2023	243.157 m
26 June 2023	no value
3 July 2023	no value
10 July 2023	no value
17 July 2023	no value
24 July 2023	no value
31 July 2023	no value
7 August 2023	no value
14 August 2023	no value
21 August 2023	243.377 m
28 August 2023	243.360 m
4 September 2023	243.484 m
11 September 2023	243.537 m
18 September 2023	243.673 m
25 September 2023	243.941 m
2 October 2023	244.034 m
9 October 2023	244.094 m
16 October 2023	244.146 m
23 October 2023	244.111 m
30 October 2023	244.074 m
6 November 2023	244.024 m
13 November 2023	243.919 m
20 November 2023	243.769 m
27 November 2023	243.629 m
4 December 2023	243.457 m
11 December 2023	243.310 m
18 December 2023	243.263 m
25 December 2023	243.183 m
1 January 2024	243.019 m
8 January 2024	242.844 m
15 January 2024	242.620 m
22 January 2024	242.484 m
29 January 2024	242.504 m
5 February 2024	242.367 m
12 February 2024	242.079 m
19 February 2024	241.890 m
26 February 2024	241.851 m
4 March 2024	241.663 m
11 March 2024	241.437 m
18 March 2024	241.243 m
25 March 2024	240.983 m
1 April 2024	240.789 m
8 April 2024	240.744 m
15 April 2024	240.847 m
22 April 2024	240.649 m
29 April 2024	240.654 m
6 May 2024	240.971 m
13 May 2024	241.717 m
20 May 2024	242.709 m
27 May 2024	242.743 m
3 June 2024	242.803 m
10 June 2024	242.883 m
17 June 2024	242.983 m
24 June 2024	243.044 m
1 July 2024	243.099 m
8 July 2024	243.201 m
15 July 2024	243.244 m
22 July 2024	243.263 m
29 July 2024	243.271 m
5 August 2024	243.274 m
12 August 2024	243.264 m
19 August 2024	243.260 m
26 August 2024	243.294 m
2 September 2024	243.309 m
9 September 2024	243.289 m
16 September 2024	243.143 m
23 September 2024	243.141 m
30 September 2024	243.199 m
7 October 2024	243.264 m
14 October 2024	243.333 m
21 October 2024	243.399 m
28 October 2024	243.457 m
4 November 2024	243.450 m
11 November 2024	243.423 m
18 November 2024	243.384 m
25 November 2024	243.320 m
2 December 2024	243.253 m
9 December 2024	243.193 m
16 December 2024	243.100 m
23 December 2024	243.043 m
30 December 2024	243.044 m
6 January 2025	242.821 m
13 January 2025	242.747 m
20 January 2025	242.681 m
27 January 2025	242.556 m
3 February 2025	242.430 m
10 February 2025	242.261 m
17 February 2025	242.036 m
24 February 2025	242.071 m
3 March 2025	242.117 m
10 March 2025	241.977 m
17 March 2025	241.854 m
24 March 2025	241.859 m
31 March 2025	241.853 m
7 April 2025	241.807 m
14 April 2025	241.851 m
21 April 2025	241.934 m
28 April 2025	241.944 m
5 May 2025	242.036 m
12 May 2025	242.389 m
19 May 2025	243.029 m
26 May 2025	243.220 m
2 June 2025	243.361 m
9 June 2025	243.466 m
16 June 2025	243.523 m
23 June 2025	243.566 m
30 June 2025	243.597 m
7 July 2025	243.604 m
14 July 2025	243.616 m
21 July 2025	243.629 m
28 July 2025	243.706 m
4 August 2025	243.771 m
11 August 2025	243.760 m
18 August 2025	243.750 m
25 August 2025	243.731 m
1 September 2025	243.786 m
8 September 2025	243.827 m
15 September 2025	243.884 m
22 September 2025	243.940 m
29 September 2025	243.961 m
6 October 2025	244.016 m
13 October 2025	244.027 m
20 October 2025	244.089 m
27 October 2025	244.217 m
3 November 2025	244.299 m
10 November 2025	244.331 m
17 November 2025	244.290 m
24 November 2025	244.274 m
1 December 2025	244.260 m
8 December 2025	244.199 m
15 December 2025	244.183 m
22 December 2025	244.191 m
29 December 2025	244.173 m
5 January 2026	244.013 m
12 January 2026	243.866 m
19 January 2026	243.724 m
26 January 2026	243.564 m
2 February 2026	243.407 m
9 February 2026	243.204 m
16 February 2026	243.021 m
23 February 2026	242.861 m
2 March 2026	242.801 m
9 March 2026	242.903 m
16 March 2026	242.941 m
23 March 2026	242.994 m
30 March 2026	242.984 m
6 April 2026	243.011 m
13 April 2026	243.039 m
20 April 2026	243.110 m
27 April 2026	243.214 m
4 May 2026	243.506 m
11 May 2026	243.787 m
18 May 2026	244.000 m
25 May 2026	244.123 m
1 June 2026	244.159 m
8 June 2026	244.184 m
15 June 2026	244.277 m
22 June 2026	244.407 m
29 June 2026	244.420 m
6 July 2026	244.473 m
13 July 2026	244.476 m
20 July 2026	244.477 m
27 July 2026	244.513 m
3 August 2026	244.514 m
10 August 2026	244.511 m
17 August 2026	244.556 m
24 August 2026	244.509 m
31 August 2026	244.500 m
7 September 2026	244.521 m
14 September 2026	244.549 m
21 September 2026	244.589 m
28 September 2026	244.613 m
5 October 2026	244.651 m
12 October 2026	244.639 m
19 October 2026	244.653 m
26 October 2026	no value

The whole record since 1971, monthly averages

Level
Our record

Monthly averages of Lake Porttipahta at Porttipahta (upstream) from 1 January 1971 to 26 October 2026.

Table: The whole record since 1971, monthly averages

Month starting	Monthly average (m)
1 January 1971	233.910 m
1 February 1971	234.441 m
1 March 1971	234.872 m
1 April 1971	235.255 m
1 May 1971	236.598 m
1 June 1971	237.323 m
1 July 1971	236.012 m
1 August 1971	236.744 m
1 September 1971	237.561 m
1 October 1971	238.230 m
1 November 1971	238.655 m
1 December 1971	238.955 m
1 January 1972	239.205 m
1 February 1972	239.415 m
1 March 1972	239.600 m
1 April 1972	239.796 m
1 May 1972	240.461 m
1 June 1972	242.097 m
1 July 1972	242.425 m
1 August 1972	242.672 m
1 September 1972	242.829 m
1 October 1972	243.273 m
1 November 1972	243.293 m
1 December 1972	243.029 m
1 January 1973	242.702 m
1 February 1973	242.526 m
1 March 1973	242.487 m
1 April 1973	242.544 m
1 May 1973	243.216 m
1 June 1973	244.497 m
1 July 1973	244.536 m
1 August 1973	244.586 m
1 September 1973	244.591 m
1 October 1973	244.189 m
1 November 1973	243.522 m
1 December 1973	242.576 m
1 January 1974	241.321 m
1 February 1974	240.288 m
1 March 1974	240.068 m
1 April 1974	240.078 m
1 May 1974	240.757 m
1 June 1974	242.241 m
1 July 1974	242.974 m
1 August 1974	243.601 m
1 September 1974	244.174 m
1 October 1974	244.676 m
1 November 1974	244.111 m
1 December 1974	243.501 m
1 January 1975	242.860 m
1 February 1975	242.149 m
1 March 1975	241.416 m
1 April 1975	241.245 m
1 May 1975	242.633 m
1 June 1975	243.731 m
1 July 1975	243.993 m
1 August 1975	244.206 m
1 September 1975	244.091 m
1 October 1975	244.460 m
1 November 1975	244.400 m
1 December 1975	243.852 m
1 January 1976	243.185 m
1 February 1976	242.280 m
1 March 1976	241.019 m
1 April 1976	239.627 m
1 May 1976	240.529 m
1 June 1976	241.038 m
1 July 1976	240.973 m
1 August 1976	241.270 m
1 September 1976	241.508 m
1 October 1976	241.335 m
1 November 1976	240.505 m
1 December 1976	239.447 m
1 January 1977	238.052 m
1 February 1977	236.351 m
1 March 1977	235.523 m
1 April 1977	235.019 m
1 May 1977	236.676 m
1 June 1977	240.461 m
1 July 1977	241.284 m
1 August 1977	241.760 m
1 September 1977	241.909 m
1 October 1977	242.134 m
1 November 1977	242.420 m
1 December 1977	242.255 m
1 January 1978	241.430 m
1 February 1978	239.776 m
1 March 1978	237.750 m
1 April 1978	236.877 m
1 May 1978	237.818 m
1 June 1978	239.242 m
1 July 1978	238.566 m
1 August 1978	238.317 m
1 September 1978	238.585 m
1 October 1978	239.150 m
1 November 1978	239.523 m
1 December 1978	239.757 m
1 January 1979	239.947 m
1 February 1979	240.131 m
1 March 1979	240.298 m
1 April 1979	240.464 m
1 May 1979	241.533 m
1 June 1979	242.773 m
1 July 1979	242.645 m
1 August 1979	242.440 m
1 September 1979	242.587 m
1 October 1979	242.878 m
1 November 1979	242.646 m
1 December 1979	241.798 m
1 January 1980	240.452 m
1 February 1980	239.053 m
1 March 1980	238.867 m
1 April 1980	238.957 m
1 May 1980	239.678 m
1 June 1980	241.390 m
1 July 1980	240.907 m
1 August 1980	240.288 m
1 September 1980	240.148 m
1 October 1980	240.573 m
1 November 1980	240.855 m
1 December 1980	241.080 m
1 January 1981	241.279 m
1 February 1981	241.445 m
1 March 1981	241.600 m
1 April 1981	241.756 m
1 May 1981	242.345 m
1 June 1981	243.395 m
1 July 1981	243.985 m
1 August 1981	244.394 m
1 September 1981	244.618 m
1 October 1981	244.857 m
1 November 1981	244.738 m
1 December 1981	244.486 m
1 January 1982	243.994 m
1 February 1982	243.320 m
1 March 1982	242.607 m
1 April 1982	242.193 m
1 May 1982	242.982 m
1 June 1982	243.571 m
1 July 1982	243.599 m
1 August 1982	243.486 m
1 September 1982	243.906 m
1 October 1982	244.145 m
1 November 1982	244.034 m
1 December 1982	243.811 m
1 January 1983	243.260 m
1 February 1983	242.546 m
1 March 1983	242.031 m
1 April 1983	242.297 m
1 May 1983	243.345 m
1 June 1983	243.870 m
1 July 1983	244.167 m
1 August 1983	244.396 m
1 September 1983	244.375 m
1 October 1983	244.626 m
1 November 1983	244.646 m
1 December 1983	244.165 m
1 January 1984	243.552 m
1 February 1984	242.852 m
1 March 1984	242.023 m
1 April 1984	242.027 m
1 May 1984	243.232 m
1 June 1984	243.649 m
1 July 1984	243.860 m
1 August 1984	244.247 m
1 September 1984	244.366 m
1 October 1984	244.433 m
1 November 1984	244.354 m
1 December 1984	243.954 m
1 January 1985	243.401 m
1 February 1985	242.797 m
1 March 1985	242.143 m
1 April 1985	241.914 m
1 May 1985	242.421 m
1 June 1985	243.294 m
1 July 1985	243.174 m
1 August 1985	243.148 m
1 September 1985	243.523 m
1 October 1985	244.009 m
1 November 1985	244.140 m
1 December 1985	243.815 m
1 January 1986	243.265 m
1 February 1986	242.642 m
1 March 1986	242.128 m
1 April 1986	242.421 m
1 May 1986	243.191 m
1 June 1986	243.707 m
1 July 1986	243.620 m
1 August 1986	243.729 m
1 September 1986	243.967 m
1 October 1986	244.036 m
1 November 1986	244.161 m
1 December 1986	243.928 m
1 January 1987	243.269 m
1 February 1987	242.728 m
1 March 1987	242.367 m
1 April 1987	242.339 m
1 May 1987	242.953 m
1 June 1987	243.812 m
1 July 1987	244.030 m
1 August 1987	244.233 m
1 September 1987	244.646 m
1 October 1987	244.844 m
1 November 1987	244.769 m
1 December 1987	244.262 m
1 January 1988	243.645 m
1 February 1988	243.020 m
1 March 1988	242.302 m
1 April 1988	242.419 m
1 May 1988	243.051 m
1 June 1988	243.466 m
1 July 1988	243.518 m
1 August 1988	243.738 m
1 September 1988	243.942 m
1 October 1988	244.185 m
1 November 1988	244.118 m
1 December 1988	243.697 m
1 January 1989	243.217 m
1 February 1989	242.727 m
1 March 1989	242.344 m
1 April 1989	242.332 m
1 May 1989	243.574 m
1 June 1989	244.277 m
1 July 1989	244.477 m
1 August 1989	244.506 m
1 September 1989	244.638 m
1 October 1989	244.811 m
1 November 1989	244.833 m
1 December 1989	244.578 m
1 January 1990	243.979 m
1 February 1990	243.400 m
1 March 1990	242.716 m
1 April 1990	242.686 m
1 May 1990	243.327 m
1 June 1990	243.354 m
1 July 1990	243.527 m
1 August 1990	243.669 m
1 September 1990	243.728 m
1 October 1990	243.783 m
1 November 1990	243.723 m
1 December 1990	243.301 m
1 January 1991	242.871 m
1 February 1991	242.623 m
1 March 1991	242.478 m
1 April 1991	242.500 m
1 May 1991	242.957 m
1 June 1991	243.437 m
1 July 1991	243.693 m
1 August 1991	243.765 m
1 September 1991	243.863 m
1 October 1991	244.132 m
1 November 1991	244.299 m
1 December 1991	244.097 m
1 January 1992	243.502 m
1 February 1992	242.880 m
1 March 1992	242.536 m
1 April 1992	242.589 m
1 May 1992	243.402 m
1 June 1992	244.142 m
1 July 1992	244.381 m
1 August 1992	244.857 m
1 September 1992	244.939 m
1 October 1992	244.890 m
1 November 1992	244.524 m
1 December 1992	244.025 m
1 January 1993	243.403 m
1 February 1993	242.656 m
1 March 1993	241.894 m
1 April 1993	241.717 m
1 May 1993	242.992 m
1 June 1993	244.186 m
1 July 1993	244.466 m
1 August 1993	244.522 m
1 September 1993	244.434 m
1 October 1993	244.158 m
1 November 1993	243.897 m
1 December 1993	243.423 m
1 January 1994	242.764 m
1 February 1994	241.922 m
1 March 1994	241.423 m
1 April 1994	241.637 m
1 May 1994	242.552 m
1 June 1994	243.173 m
1 July 1994	243.328 m
1 August 1994	243.399 m
1 September 1994	243.454 m
1 October 1994	243.542 m
1 November 1994	243.552 m
1 December 1994	243.167 m
1 January 1995	242.693 m
1 February 1995	242.194 m
1 March 1995	241.991 m
1 April 1995	242.012 m
1 May 1995	242.379 m
1 June 1995	243.754 m
1 July 1995	244.026 m
1 August 1995	244.185 m
1 September 1995	244.442 m
1 October 1995	244.637 m
1 November 1995	244.679 m
1 December 1995	244.312 m
1 January 1996	243.623 m
1 February 1996	242.841 m
1 March 1996	242.139 m
1 April 1996	241.942 m
1 May 1996	242.167 m
1 June 1996	243.619 m
1 July 1996	244.120 m
1 August 1996	244.228 m
1 September 1996	244.134 m
1 October 1996	244.016 m
1 November 1996	244.126 m
1 December 1996	243.899 m
1 January 1997	243.384 m
1 February 1997	242.728 m
1 March 1997	242.019 m
1 April 1997	241.775 m
1 May 1997	242.339 m
1 June 1997	243.612 m
1 July 1997	243.755 m
1 August 1997	243.787 m
1 September 1997	243.881 m
1 October 1997	244.020 m
1 November 1997	243.817 m
1 December 1997	243.343 m
1 January 1998	242.722 m
1 February 1998	241.983 m
1 March 1998	241.442 m
1 April 1998	241.369 m
1 May 1998	242.417 m
1 June 1998	243.870 m
1 July 1998	244.444 m
1 August 1998	244.536 m
1 September 1998	244.666 m
1 October 1998	244.859 m
1 November 1998	244.803 m
1 December 1998	244.376 m
1 January 1999	243.771 m
1 February 1999	243.056 m
1 March 1999	242.244 m
1 April 1999	241.907 m
1 May 1999	242.767 m
1 June 1999	243.525 m
1 July 1999	243.735 m
1 August 1999	243.988 m
1 September 1999	244.135 m
1 October 1999	244.369 m
1 November 1999	244.561 m
1 December 1999	244.374 m
1 January 2000	243.869 m
1 February 2000	243.272 m
1 March 2000	242.479 m
1 April 2000	241.857 m
1 May 2000	242.889 m
1 June 2000	244.619 m
1 July 2000	244.893 m
1 August 2000	244.791 m
1 September 2000	244.797 m
1 October 2000	244.694 m
1 November 2000	244.699 m
1 December 2000	244.545 m
1 January 2001	243.998 m
1 February 2001	243.359 m
1 March 2001	242.604 m
1 April 2001	242.090 m
1 May 2001	243.119 m
1 June 2001	243.490 m
1 July 2001	243.656 m
1 August 2001	244.050 m
1 September 2001	244.311 m
1 October 2001	244.545 m
1 November 2001	244.528 m
1 December 2001	244.090 m
1 January 2002	243.454 m
1 February 2002	242.767 m
1 March 2002	242.030 m
1 April 2002	242.057 m
1 May 2002	243.197 m
1 June 2002	243.377 m
1 July 2002	243.672 m
1 August 2002	243.812 m
1 September 2002	244.036 m
1 October 2002	244.181 m
1 November 2002	243.902 m
1 December 2002	243.234 m
1 January 2003	242.388 m
1 February 2003	241.495 m
1 March 2003	240.517 m
1 April 2003	239.844 m
1 May 2003	241.277 m
1 June 2003	242.127 m
1 July 2003	242.228 m
1 August 2003	242.291 m
1 September 2003	242.391 m
1 October 2003	242.644 m
1 November 2003	242.802 m
1 December 2003	242.695 m
1 January 2004	242.105 m
1 February 2004	241.131 m
1 March 2004	240.206 m
1 April 2004	240.740 m
1 May 2004	241.955 m
1 June 2004	242.535 m
1 July 2004	242.794 m
1 August 2004	243.026 m
1 September 2004	243.500 m
1 October 2004	243.969 m
1 November 2004	244.112 m
1 December 2004	243.798 m
1 January 2005	243.222 m
1 February 2005	242.623 m
1 March 2005	241.687 m
1 April 2005	241.248 m
1 May 2005	242.025 m
1 June 2005	243.834 m
1 July 2005	243.920 m
1 August 2005	244.149 m
1 September 2005	244.298 m
1 October 2005	244.373 m
1 November 2005	244.484 m
1 December 2005	244.388 m
1 January 2006	243.877 m
1 February 2006	243.235 m
1 March 2006	242.512 m
1 April 2006	242.064 m
1 May 2006	243.043 m
1 June 2006	243.309 m
1 July 2006	243.187 m
1 August 2006	243.014 m
1 September 2006	242.709 m
1 October 2006	242.706 m
1 November 2006	242.351 m
1 December 2006	242.270 m
1 January 2007	242.177 m
1 February 2007	241.445 m
1 March 2007	241.172 m
1 April 2007	241.477 m
1 May 2007	242.356 m
1 June 2007	243.298 m
1 July 2007	243.526 m
1 August 2007	243.838 m
1 September 2007	244.014 m
1 October 2007	244.224 m
1 November 2007	244.383 m
1 December 2007	244.190 m
1 January 2008	243.821 m
1 February 2008	243.363 m
1 March 2008	242.860 m
1 April 2008	242.254 m
1 May 2008	242.893 m
1 June 2008	243.696 m
1 July 2008	244.092 m
1 August 2008	244.253 m
1 September 2008	244.390 m
1 October 2008	244.379 m
1 November 2008	244.439 m
1 December 2008	244.158 m
1 January 2009	243.658 m
1 February 2009	243.123 m
1 March 2009	242.553 m
1 April 2009	242.085 m
1 May 2009	242.930 m
1 June 2009	243.376 m
1 July 2009	243.445 m
1 August 2009	243.493 m
1 September 2009	243.606 m
1 October 2009	243.635 m
1 November 2009	243.390 m
1 December 2009	243.159 m
1 January 2010	242.709 m
1 February 2010	242.177 m
1 March 2010	241.179 m
1 April 2010	240.768 m
1 May 2010	242.081 m
1 June 2010	243.034 m
1 July 2010	243.252 m
1 August 2010	243.523 m
1 September 2010	243.516 m
1 October 2010	243.392 m
1 November 2010	243.136 m
1 December 2010	242.334 m
1 January 2011	241.399 m
1 February 2011	240.346 m
1 March 2011	239.058 m
1 April 2011	238.837 m
1 May 2011	241.099 m
1 June 2011	241.906 m
1 July 2011	242.171 m
1 August 2011	242.323 m
1 September 2011	242.526 m
1 October 2011	242.961 m
1 November 2011	243.417 m
1 December 2011	243.350 m
1 January 2012	242.957 m
1 February 2012	242.357 m
1 March 2012	241.644 m
1 April 2012	241.185 m
1 May 2012	242.230 m
1 June 2012	243.318 m
1 July 2012	243.627 m
1 August 2012	243.630 m
1 September 2012	243.503 m
1 October 2012	243.810 m
1 November 2012	243.808 m
1 December 2012	243.585 m
1 January 2013	243.078 m
1 February 2013	242.512 m
1 March 2013	241.630 m
1 April 2013	240.872 m
1 May 2013	242.488 m
1 June 2013	243.019 m
1 July 2013	243.087 m
1 August 2013	242.915 m
1 September 2013	242.615 m
1 October 2013	242.556 m
1 November 2013	242.675 m
1 December 2013	242.599 m
1 January 2014	242.461 m
1 February 2014	242.045 m
1 March 2014	241.741 m
1 April 2014	241.743 m
1 May 2014	242.295 m
1 June 2014	243.128 m
1 July 2014	243.236 m
1 August 2014	243.312 m
1 September 2014	243.408 m
1 October 2014	243.514 m
1 November 2014	243.487 m
1 December 2014	243.280 m
1 January 2015	242.971 m
1 February 2015	242.583 m
1 March 2015	242.220 m
1 April 2015	241.956 m
1 May 2015	242.982 m
1 June 2015	243.952 m
1 July 2015	244.085 m
1 August 2015	244.238 m
1 September 2015	244.214 m
1 October 2015	244.440 m
1 November 2015	244.382 m
1 December 2015	244.221 m
1 January 2016	243.846 m
1 February 2016	243.426 m
1 March 2016	242.788 m
1 April 2016	242.346 m
1 May 2016	243.508 m
1 June 2016	244.128 m
1 July 2016	244.355 m
1 August 2016	244.639 m
1 September 2016	244.785 m
1 October 2016	244.670 m
1 November 2016	244.400 m
1 December 2016	244.147 m
1 January 2017	243.718 m
1 February 2017	243.156 m
1 March 2017	242.634 m
1 April 2017	242.117 m
1 May 2017	241.947 m
1 June 2017	243.190 m
1 July 2017	243.762 m
1 August 2017	243.974 m
1 September 2017	243.899 m
1 October 2017	243.922 m
1 November 2017	243.959 m
1 December 2017	243.810 m
1 January 2018	243.472 m
1 February 2018	242.836 m
1 March 2018	242.047 m
1 April 2018	241.172 m
1 May 2018	242.408 m
1 June 2018	242.995 m
1 July 2018	242.906 m
1 August 2018	242.668 m
1 September 2018	242.749 m
1 October 2018	243.018 m
1 November 2018	243.013 m
1 December 2018	242.737 m
1 January 2019	242.134 m
1 February 2019	241.633 m
1 March 2019	241.219 m
1 April 2019	241.176 m
1 May 2019	242.307 m
1 June 2019	243.122 m
1 July 2019	243.460 m
1 August 2019	243.299 m
1 September 2019	243.093 m
1 October 2019	242.985 m
1 November 2019	242.701 m
1 December 2019	242.485 m
1 January 2020	242.475 m
1 February 2020	242.016 m
1 March 2020	241.480 m
1 April 2020	240.923 m
1 May 2020	241.245 m
1 June 2020	243.543 m
1 July 2020	243.913 m
1 August 2020	243.960 m
1 September 2020	243.834 m
1 October 2020	243.899 m
1 November 2020	244.147 m
1 December 2020	244.144 m
1 January 2021	243.812 m
1 February 2021	243.198 m
1 March 2021	242.822 m
1 April 2021	242.667 m
1 May 2021	243.231 m
1 June 2021	244.030 m
1 July 2021	243.797 m
1 August 2021	243.657 m
1 September 2021	243.686 m
1 October 2021	243.957 m
1 November 2021	244.317 m
1 December 2021	243.902 m
1 January 2022	243.314 m
1 February 2022	242.716 m
1 March 2022	242.065 m
1 April 2022	241.559 m
1 May 2022	242.651 m
1 June 2022	243.501 m
1 July 2022	243.520 m
1 August 2022	243.734 m
1 September 2022	243.600 m
1 October 2022	243.725 m
1 November 2022	243.766 m
1 December 2022	243.352 m
1 January 2023	243.055 m
1 February 2023	242.670 m
1 March 2023	242.048 m
1 April 2023	241.632 m
1 May 2023	242.552 m
1 June 2023	243.174 m
1 July 2023	no value
1 August 2023	no value
1 September 2023	243.618 m
1 October 2023	244.092 m
1 November 2023	243.899 m
1 December 2023	243.331 m
1 January 2024	242.719 m
1 February 2024	242.129 m
1 March 2024	241.383 m
1 April 2024	240.747 m
1 May 2024	241.769 m
1 June 2024	242.917 m
1 July 2024	243.209 m
1 August 2024	243.272 m
1 September 2024	243.223 m
1 October 2024	243.322 m
1 November 2024	243.404 m
1 December 2024	243.149 m
1 January 2025	242.766 m
1 February 2025	242.233 m
1 March 2025	241.954 m
1 April 2025	241.869 m
1 May 2025	242.556 m
1 June 2025	243.476 m
1 July 2025	243.621 m
1 August 2025	243.752 m
1 September 2025	243.866 m
1 October 2025	244.057 m
1 November 2025	244.295 m
1 December 2025	244.208 m
1 January 2026	243.847 m
1 February 2026	243.149 m
1 March 2026	242.911 m
1 April 2026	243.059 m
1 May 2026	243.796 m
1 June 2026	244.267 m
1 July 2026	244.472 m
1 August 2026	244.524 m
1 September 2026	244.546 m
1 October 2026	244.645 m

How this compares

The daily value on 26 October 2026 was 244.68 m, the eighth highest for 26 October in 56 years of record (1971 to 2026). The newest value is provisional.
That is 0.77 m above the median of 243.91 m for 26 October over the last 10 years. The newest value is provisional.

Same date in past years

26 October in the last 10 years

Day	Level	Against the normal range for the date
26 October 2025	244.15 m
26 October 2024	243.41 m
26 October 2023	244.11 m
26 October 2022	243.77 m
26 October 2021	244.16 m
26 October 2020	243.89 m
26 October 2019	242.96 m
26 October 2018	243.04 m
26 October 2017	243.93 m
26 October 2016	244.57 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 Porttipahta at Porttipahta (upstream) in each year from 1971 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 1971 was 233.62 m, on 1 January 1971. The highest was 244.97 m, on 14 August 1992 and 2 other days.

Table: The lowest and highest daily value of each year

Year	Lowest daily value (m)	Day	Highest daily value (m)	Day	Days with a value
1971	233.62 m	1 January	239.09 m	31 December	365
1972	239.10 m	1 January	243.42 m	27 October	366
1973	242.01 m	31 December	244.67 m	11 September	365
1974	240.06 m	9 March	244.78 m	16 October	365
1975	241.23 m	20 April	244.64 m	30 October	365
1976	238.82 m	31 December	243.54 m	1 January	366
1977	234.67 m	22 April	242.53 m	20 November	365
1978	236.82 m	9 April	241.95 m	1 January	365
1979	239.85 m	1 January	242.93 m	17 October	365
1980	238.82 m	20 February	241.56 m	6 June	366
1981	241.19 m	1 January	244.95 m	14 October	365
1982	242.14 m	20 April	244.27 m	1 January	365
1983	241.94 m	19 March	244.76 m	28 October	365
1984	241.70 m	30 March	244.51 m	22 October	366
1985	241.84 m	12 April	244.18 m	26 October	365
1986	242.00 m	16 March	244.23 m	2 November	365
1987	242.21 m	31 March	244.90 m	24 October	365
1988	242.13 m	23 March	244.30 m	23 October	366
1989	242.27 m	11 April	244.89 m	17 November	365
1990	242.52 m	31 March	244.29 m	1 January	365
1991	242.40 m	4 April	244.33 m	17 November	365
1992	242.49 m	18 March	244.97 m	14 August	366
1993	241.67 m	21 April	244.56 m	13 August	365
1994	241.39 m	14 March	243.65 m	6 November	365
1995	241.89 m	31 March	244.75 m	29 October	365
1996	241.85 m	17 April	244.27 m	16 August	366
1997	241.68 m	5 April	244.06 m	19 October	365
1998	241.31 m	28 March	244.96 m	18 October	365
1999	241.76 m	6 April	244.58 m	10 November	365
2000	241.70 m	18 April	244.96 m	25 July	366
2001	242.03 m	13 April	244.66 m	2 November	365
2002	241.82 m	20 March	244.23 m	13 October	365
2003	239.56 m	17 April	242.85 m	24 November	365
2004	240.07 m	14 March	244.15 m	16 November	366
2005	241.16 m	4 April	244.59 m	16 November	365
2006	241.93 m	9 April	244.16 m	1 January	365
2007	241.03 m	1 March	244.42 m	12 November	365
2008	241.94 m	26 April	244.48 m	29 October	366
2009	241.87 m	24 April	243.97 m	1 January	365
2010	240.62 m	9 April	243.59 m	23 August	365
2011	238.50 m	5 April	243.49 m	14 November	365
2012	241.06 m	23 April	243.90 m	24 October	366
2013	240.63 m	15 April	243.35 m	2 January	365
2014	241.63 m	22 March	243.56 m	3 November	365
2015	241.88 m	17 April	244.49 m	25 October	365
2016	242.26 m	22 April	244.84 m	15 September	366
2017	241.63 m	15 May	244.02 m	1 January	365
2018	240.89 m	25 April	243.71 m	1 January	365
2019	241.03 m	13 March	243.50 m	9 July	365
2020	240.62 m	30 April	244.23 m	23 November	366
2021	242.52 m	20 April	244.38 m	11 November	365
2022	241.36 m	20 April	243.87 m	12 November	365
2023provisional	241.56 m	9 April	244.16 m	22 October	310
2024provisional	240.57 m	28 April	243.47 m	30 October	366
2025provisional	241.79 m	12 April	244.37 m	14 November	365
2026so far, provisional	242.76 m	3 March	244.69 m	17 October	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 Porttipahta at Porttipahta (upstream) 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 1971 was in 1992. 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)	1992, highest day Weekly average (m)	Normal range (m)
1 Jan to 7 Jan	244.106 m	243.771 m	241.612 m to 244.090 m
8 Jan to 14 Jan	243.954 m	243.620 m	241.236 m to 243.950 m
15 Jan to 21 Jan	243.801 m	243.454 m	241.142 m to 243.814 m
22 Jan to 28 Jan	243.661 m	243.296 m	240.812 m to 243.674 m
29 Jan to 4 Feb	243.497 m	243.153 m	240.492 m to 243.544 m
5 Feb to 11 Feb	243.320 m	243.014 m	240.230 m to 243.420 m
12 Feb to 18 Feb	243.123 m	242.880 m	240.126 m to 243.264 m
19 Feb to 25 Feb	242.951 m	242.737 m	239.956 m to 243.110 m
26 Feb to 4 Mar	242.806 m	242.627 m	239.604 m to 242.970 m
5 Mar to 11 Mar	242.841 m	242.549 m	239.560 m to 242.824 m
12 Mar to 18 Mar	242.924 m	242.514 m	239.590 m to 242.650 m
19 Mar to 25 Mar	242.969 m	242.494 m	239.626 m to 242.530 m
26 Mar to 1 Apr	242.997 m	242.561 m	239.680 m to 242.470 m
2 Apr to 8 Apr	242.993 m	242.617 m	239.690 m to 242.434 m
9 Apr to 15 Apr	243.019 m	242.630 m	239.560 m to 242.440 m
16 Apr to 22 Apr	243.061 m	242.587 m	239.410 m to 242.454 m
23 Apr to 29 Apr	243.150 m	242.537 m	239.430 m to 242.550 m
30 Apr to 6 May	243.323 m	242.583 m	239.880 m to 242.700 m
7 May to 13 May	243.623 m	242.879 m	239.996 m to 243.120 m
14 May to 20 May	243.897 m	243.536 m	240.330 m to 243.488 m
21 May to 27 May	244.064 m	243.920 m	241.286 m to 243.774 m
28 May to 3 Jun	244.140 m	244.034 m	241.590 m to 243.884 m
4 Jun to 10 Jun	244.171 m	244.096 m	241.840 m to 243.980 m
11 Jun to 17 Jun	244.216 m	244.107 m	241.870 m to 244.090 m
18 Jun to 24 Jun	244.336 m	244.153 m	241.912 m to 244.200 m
25 Jun to 1 Jul	244.414 m	244.233 m	242.040 m to 244.280 m
2 Jul to 8 Jul	244.446 m	244.274 m	242.050 m to 244.310 m
9 Jul to 15 Jul	244.481 m	244.306 m	242.080 m to 244.360 m
16 Jul to 22 Jul	244.473 m	244.396 m	242.173 m to 244.419 m
23 Jul to 29 Jul	244.489 m	244.467 m	242.251 m to 244.460 m
30 Jul to 5 Aug	244.524 m	244.613 m	242.271 m to 244.510 m
6 Aug to 12 Aug	244.510 m	244.724 m	242.270 m to 244.529 m
13 Aug to 19 Aug	244.534 m	244.934 m	242.271 m to 244.510 m
20 Aug to 26 Aug	244.536 m	244.954 m	242.290 m to 244.530 m
27 Aug to 2 Sep	244.497 m	244.949 m	242.310 m to 244.550 m
3 Sep to 9 Sep	244.509 m	244.931 m	242.346 m to 244.580 m
10 Sep to 16 Sep	244.517 m	244.923 m	242.366 m to 244.620 m
17 Sep to 23 Sep	244.579 m	244.947 m	242.396 m to 244.660 m
24 Sep to 30 Sep	244.597 m	244.953 m	242.470 m to 244.730 m
1 Oct to 7 Oct	244.640 m	244.941 m	242.520 m to 244.750 m
8 Oct to 14 Oct	244.633 m	244.941 m	242.566 m to 244.760 m
15 Oct to 21 Oct	244.653 m	244.900 m	242.530 m to 244.754 m
22 Oct to 28 Oct	no value	244.847 m	242.546 m to 244.750 m
29 Oct to 4 Nov	no value	244.764 m	242.576 m to 244.730 m
5 Nov to 11 Nov	no value	244.667 m	242.496 m to 244.710 m
12 Nov to 18 Nov	no value	244.556 m	242.496 m to 244.700 m
19 Nov to 25 Nov	no value	244.433 m	242.490 m to 244.650 m
26 Nov to 2 Dec	no value	244.310 m	242.378 m to 244.570 m
3 Dec to 9 Dec	no value	244.224 m	242.270 m to 244.504 m
10 Dec to 16 Dec	no value	244.107 m	242.260 m to 244.404 m
17 Dec to 23 Dec	no value	243.981 m	242.132 m to 244.290 m
24 Dec to 31 Dec	no value	243.813 m	241.900 m to 244.200 m

Every year

Year	Days with a value	Days below the normal range
2026to 26 October 2026	299	0
2025	365	0
2024	366	0
2023	310	0
2022	365	0
2021	365	0
2020	366	0
2019	365	0
2018	365	0
2017	365	0
2016	366	0
2015	365	0
2014	365	0
2013	365	6
2012	366	0
2011	365	63
2010	365	0
2009	365	0
2008	366	0
2007	365	0
2006	365	31
2005	365	0
2004	366	0
2003	365	15
2002	365	0
2001	365	0
2000	366	0
1999	365	0
1998	365	0
1997	365	0
1996	366	0
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	366	0
1983	365	0
1982	365	0
1981	365	6
1980	366	366
1979	365	74
1978	365	324
1977	365	318
1976	366	242
1975	365	0
1974	365	1
1973	365	0
1972	366	88
1971	365	365

How it compares

That is within the normal range for the date.

Records

Highest daily value in our series since 1 January 1971: 244.97 m on 14 August 1992.
Lowest daily value in our series since 1 January 1971: 233.62 m on 1 January 1971.

About this gauge

Porttipahta (upstream) is a gauge on Lake Porttipahta in Lapland, Finland.

It lies at 67.9617° N, 26.7522° 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 Porttipahta water level at Porttipahta (upstream) today

Is Lake Porttipahta at Porttipahta (upstream) within its normal range for the date?

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 gauge

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