World Water LevelsWater, in perspective

Lake Iso-Roine water level today

Is Lake Iso-Roine within its normal range for the date?

Lake Iso-Roine stood at 1.04 m on .

Water level now

within the normal range for the date

1.04 m

Provisional

within the normal range for the date

1.04 mNormal for the date0.80 m to 1.38 mMedian 0.96 m
The normal range for 26 October is 0.80 m to 1.38 m: the 10th to 90th percentile of the daily values from 19 October to 2 November in 64 years between 1961 and 2025.
Table: where the water stands
LevelValue
Newest reading1.04 m,
Normal range for the date0.80 m to 1.38 m
Median for the date0.96 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 83.31 m above N2000 (the Finnish height system of the year 2000).

Level history

within the normal range for the date

On Lake Iso-Roine stood at 1.04 m.

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

The last 90 days, against the normal range for each day 0.8 m 1.0 m 1.2 m 1.4 m 1.040 m
  • Level
  • Normal range for the date
  • Median for the date
  • A year earlier
Daily values of Lake Iso-Roine 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
DayDaily value (m)Normal rangeMedianA year earlier
0.990 m0.990 m to 1.430 m1.200 m1.220 m
0.990 m0.990 m to 1.420 m1.190 m1.210 m
0.990 m0.990 m to 1.410 m1.190 m1.200 m
0.990 m0.980 m to 1.405 m1.180 m1.210 m
0.980 m0.980 m to 1.390 m1.170 m1.200 m
0.980 m0.975 m to 1.390 m1.170 m1.200 m
0.980 m0.970 m to 1.380 m1.160 m1.200 m
0.980 m0.970 m to 1.380 m1.160 m1.200 m
0.980 m0.970 m to 1.380 m1.160 m1.190 m
0.970 m0.970 m to 1.380 m1.150 m1.180 m
0.970 m0.970 m to 1.370 m1.150 m1.170 m
0.960 m0.960 m to 1.370 m1.140 m1.160 m
0.960 m0.960 m to 1.370 m1.140 m1.160 m
0.960 m0.953 m to 1.370 m1.135 m1.150 m
0.950 m0.950 m to 1.370 m1.130 m1.140 m
0.950 m0.943 m to 1.370 m1.130 m1.140 m
0.950 m0.940 m to 1.370 m1.120 m1.130 m
0.950 m0.930 m to 1.370 m1.120 m1.130 m
0.950 m0.930 m to 1.370 m1.120 m1.120 m
0.950 m0.920 m to 1.370 m1.110 m1.120 m
0.950 m0.920 m to 1.370 m1.110 m1.110 m
0.950 m0.920 m to 1.370 m1.110 m1.100 m
0.950 m0.914 m to 1.370 m1.110 m1.090 m
0.960 m0.910 m to 1.365 m1.110 m1.090 m
0.970 m0.906 m to 1.364 m1.110 m1.080 m
0.980 m0.900 m to 1.364 m1.100 m1.070 m
0.990 m0.900 m to 1.365 m1.100 m1.060 m
0.990 m0.900 m to 1.366 m1.100 m1.060 m
0.980 m0.890 m to 1.370 m1.090 m1.060 m
0.980 m0.890 m to 1.370 m1.090 m1.040 m
0.980 m0.890 m to 1.370 m1.080 m1.040 m
0.970 m0.890 m to 1.370 m1.080 m1.040 m
0.970 m0.890 m to 1.380 m1.070 m1.050 m
0.950 m0.880 m to 1.380 m1.070 m1.050 m
0.950 m0.880 m to 1.380 m1.060 m1.040 m
0.940 m0.880 m to 1.380 m1.060 m1.040 m
0.930 m0.880 m to 1.380 m1.050 m1.040 m
0.930 m0.880 m to 1.370 m1.050 m1.030 m
0.930 m0.880 m to 1.370 m1.050 m1.030 m
0.930 m0.880 m to 1.370 m1.040 m1.020 m
0.920 m0.870 m to 1.370 m1.040 m1.020 m
0.920 m0.870 m to 1.369 m1.030 m1.010 m
0.940 m0.870 m to 1.360 m1.030 m1.010 m
0.950 m0.870 m to 1.360 m1.025 m1.000 m
0.950 m0.870 m to 1.360 m1.020 m1.000 m
0.960 m0.860 m to 1.351 m1.020 m0.990 m
0.960 m0.860 m to 1.350 m1.020 m0.990 m
0.950 m0.860 m to 1.350 m1.015 m0.990 m
0.950 m0.850 m to 1.350 m1.010 m0.990 m
0.950 m0.850 m to 1.350 m1.010 m0.990 m
0.960 m0.850 m to 1.350 m1.010 m0.990 m
0.960 m0.850 m to 1.350 m1.005 m0.990 m
0.960 m0.850 m to 1.350 m1.000 m0.990 m
0.960 m0.850 m to 1.350 m1.000 m0.990 m
0.970 m0.847 m to 1.350 m1.000 m0.990 m
0.960 m0.840 m to 1.350 m1.000 m1.000 m
0.960 m0.840 m to 1.340 m1.000 m0.990 m
0.960 m0.840 m to 1.340 m0.990 m0.990 m
0.970 m0.840 m to 1.340 m0.990 m0.990 m
0.970 m0.840 m to 1.340 m0.990 m0.990 m
0.980 m0.830 m to 1.340 m0.990 m0.980 m
0.980 m0.830 m to 1.340 m0.980 m0.980 m
0.980 m0.830 m to 1.332 m0.980 m0.970 m
0.980 m0.830 m to 1.330 m0.970 m0.970 m
0.980 m0.830 m to 1.330 m0.970 m0.960 m
0.980 m0.830 m to 1.330 m0.960 m0.960 m
0.980 m0.820 m to 1.330 m0.960 m0.950 m
0.980 m0.820 m to 1.330 m0.960 m0.950 m
0.980 m0.820 m to 1.331 m0.960 m0.940 m
0.970 m0.820 m to 1.340 m0.960 m0.940 m
0.970 m0.820 m to 1.340 m0.960 m0.940 m
0.970 m0.820 m to 1.341 m0.960 m0.940 m
0.980 m0.810 m to 1.350 m0.960 m0.940 m
0.990 m0.810 m to 1.350 m0.960 m0.940 m
1.000 m0.810 m to 1.350 m0.960 m0.930 m
1.000 m0.810 m to 1.360 m0.960 m0.930 m
1.000 m0.810 m to 1.360 m0.960 m0.930 m
1.010 m0.810 m to 1.360 m0.960 m0.930 m
1.010 m0.810 m to 1.360 m0.960 m0.930 m
1.010 m0.810 m to 1.360 m0.960 m0.920 m
1.020 m0.810 m to 1.370 m0.950 m0.920 m
1.030 m0.810 m to 1.370 m0.950 m0.920 m
1.030 m0.800 m to 1.370 m0.950 m0.910 m
1.030 m0.800 m to 1.370 m0.950 m0.910 m
1.040 m0.800 m to 1.372 m0.950 m0.900 m
1.040 m0.800 m to 1.380 m0.960 m0.900 m
1.040 m0.800 m to 1.380 m0.960 m0.890 m
1.030 m0.800 m to 1.380 m0.960 m0.890 m
1.040 m0.800 m to 1.380 m0.960 m0.890 m
1.040 m0.800 m to 1.380 m0.960 m0.890 m

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

The last 12 months, against the normal range for each day 1.0 m 1.5 m 2.0 m Highest 1.99 m Lowest 0.59 m 1.040 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily values of Lake Iso-Roine 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
DayDaily value (m)Normal rangeMedian
0.890 m0.800 m to 1.380 m0.960 m
0.910 m0.800 m to 1.380 m0.960 m
0.910 m0.800 m to 1.382 m0.960 m
0.910 m0.800 m to 1.390 m0.970 m
0.910 m0.800 m to 1.390 m0.970 m
0.920 m0.800 m to 1.390 m0.970 m
0.920 m0.800 m to 1.391 m0.970 m
0.920 m0.800 m to 1.401 m0.970 m
0.930 m0.800 m to 1.411 m0.970 m
0.930 m0.800 m to 1.420 m0.970 m
0.930 m0.800 m to 1.430 m0.970 m
0.930 m0.800 m to 1.440 m0.970 m
0.940 m0.800 m to 1.450 m0.980 m
0.950 m0.800 m to 1.460 m0.980 m
0.950 m0.800 m to 1.470 m0.980 m
0.960 m0.800 m to 1.470 m0.980 m
0.960 m0.790 m to 1.470 m0.980 m
0.960 m0.790 m to 1.470 m0.990 m
0.970 m0.790 m to 1.473 m0.990 m
0.980 m0.790 m to 1.480 m1.000 m
0.980 m0.790 m to 1.480 m1.010 m
0.990 m0.790 m to 1.480 m1.020 m
0.990 m0.790 m to 1.480 m1.020 m
0.990 m0.790 m to 1.480 m1.030 m
0.990 m0.790 m to 1.480 m1.030 m
0.990 m0.790 m to 1.480 m1.030 m
0.990 m0.797 m to 1.483 m1.040 m
0.990 m0.800 m to 1.490 m1.040 m
1.000 m0.800 m to 1.490 m1.050 m
1.000 m0.800 m to 1.490 m1.050 m
1.000 m0.800 m to 1.490 m1.060 m
1.000 m0.800 m to 1.490 m1.070 m
1.000 m0.800 m to 1.490 m1.070 m
1.000 m0.800 m to 1.490 m1.080 m
1.000 m0.810 m to 1.490 m1.090 m
1.010 m0.810 m to 1.490 m1.090 m
1.010 m0.810 m to 1.490 m1.100 m
1.010 m0.810 m to 1.490 m1.100 m
1.010 m0.820 m to 1.490 m1.110 m
1.020 m0.820 m to 1.500 m1.120 m
1.020 m0.830 m to 1.500 m1.130 m
1.020 m0.830 m to 1.510 m1.130 m
1.030 m0.840 m to 1.520 m1.140 m
1.040 m0.840 m to 1.539 m1.145 m
1.060 m0.840 m to 1.540 m1.150 m
1.070 m0.840 m to 1.550 m1.150 m
1.080 m0.840 m to 1.560 m1.150 m
1.090 m0.848 m to 1.560 m1.160 m
1.100 m0.850 m to 1.560 m1.160 m
1.100 m0.850 m to 1.560 m1.160 m
1.110 m0.850 m to 1.560 m1.165 m
1.130 m0.850 m to 1.560 m1.170 m
1.130 m0.850 m to 1.560 m1.170 m
1.150 m0.850 m to 1.560 m1.170 m
1.160 m0.850 m to 1.560 m1.170 m
1.170 m0.850 m to 1.567 m1.170 m
1.180 m0.853 m to 1.567 m1.180 m
1.190 m0.860 m to 1.567 m1.180 m
1.190 m0.860 m to 1.570 m1.180 m
1.200 m0.863 m to 1.570 m1.180 m
1.200 m0.868 m to 1.570 m1.180 m
1.210 m0.870 m to 1.570 m1.180 m
1.220 m0.870 m to 1.570 m1.180 m
1.230 m0.870 m to 1.570 m1.180 m
1.230 m0.870 m to 1.570 m1.190 m
1.240 m0.870 m to 1.570 m1.190 m
1.240 m0.870 m to 1.570 m1.190 m
1.240 m0.870 m to 1.570 m1.190 m
1.240 m0.870 m to 1.570 m1.200 m
1.250 m0.880 m to 1.570 m1.200 m
1.250 m0.880 m to 1.568 m1.200 m
1.240 m0.880 m to 1.545 m1.210 m
1.240 m0.880 m to 1.533 m1.210 m
1.240 m0.880 m to 1.530 m1.210 m
1.240 m0.880 m to 1.530 m1.210 m
1.240 m0.880 m to 1.530 m1.210 m
1.240 m0.880 m to 1.530 m1.210 m
1.240 m0.880 m to 1.530 m1.210 m
1.240 m0.880 m to 1.536 m1.210 m
1.240 m0.880 m to 1.540 m1.210 m
1.240 m0.880 m to 1.549 m1.220 m
1.240 m0.880 m to 1.559 m1.220 m
1.230 m0.880 m to 1.569 m1.220 m
1.230 m0.880 m to 1.570 m1.220 m
1.230 m0.880 m to 1.579 m1.220 m
1.230 m0.880 m to 1.580 m1.220 m
1.220 m0.880 m to 1.580 m1.220 m
1.220 m0.880 m to 1.570 m1.220 m
1.220 m0.880 m to 1.570 m1.210 m
1.210 m0.880 m to 1.570 m1.210 m
1.210 m0.880 m to 1.570 m1.210 m
1.210 m0.880 m to 1.570 m1.210 m
1.210 m0.880 m to 1.570 m1.210 m
1.200 m0.880 m to 1.570 m1.210 m
1.200 m0.880 m to 1.570 m1.210 m
1.200 m0.880 m to 1.570 m1.210 m
1.190 m0.880 m to 1.570 m1.210 m
1.190 m0.880 m to 1.570 m1.210 m
1.180 m0.880 m to 1.570 m1.190 m
1.180 m0.880 m to 1.567 m1.190 m
1.180 m0.880 m to 1.560 m1.190 m
1.170 m0.880 m to 1.554 m1.190 m
1.170 m0.880 m to 1.550 m1.190 m
1.160 m0.880 m to 1.540 m1.190 m
1.160 m0.880 m to 1.540 m1.190 m
1.160 m0.880 m to 1.530 m1.190 m
1.150 m0.880 m to 1.524 m1.190 m
1.150 m0.880 m to 1.520 m1.190 m
1.140 m0.880 m to 1.520 m1.190 m
1.140 m0.880 m to 1.514 m1.190 m
1.140 m0.880 m to 1.510 m1.180 m
1.130 m0.880 m to 1.510 m1.180 m
1.130 m0.880 m to 1.500 m1.180 m
1.120 m0.880 m to 1.500 m1.180 m
1.120 m0.880 m to 1.490 m1.180 m
1.110 m0.880 m to 1.480 m1.180 m
1.110 m0.880 m to 1.480 m1.180 m
1.100 m0.870 m to 1.470 m1.180 m
1.100 m0.870 m to 1.470 m1.180 m
1.100 m0.870 m to 1.470 m1.180 m
1.090 m0.870 m to 1.460 m1.180 m
1.090 m0.869 m to 1.460 m1.180 m
1.080 m0.860 m to 1.450 m1.180 m
1.090 m0.860 m to 1.450 m1.180 m
1.090 m0.858 m to 1.450 m1.180 m
1.090 m0.850 m to 1.450 m1.180 m
1.090 m0.850 m to 1.450 m1.180 m
1.090 m0.850 m to 1.442 m1.180 m
1.080 m0.850 m to 1.440 m1.180 m
1.080 m0.850 m to 1.430 m1.180 m
1.080 m0.840 m to 1.430 m1.180 m
1.080 m0.840 m to 1.430 m1.180 m
1.080 m0.840 m to 1.420 m1.175 m
1.080 m0.840 m to 1.420 m1.180 m
1.070 m0.840 m to 1.420 m1.180 m
1.080 m0.830 m to 1.420 m1.180 m
1.080 m0.830 m to 1.420 m1.180 m
1.080 m0.830 m to 1.420 m1.180 m
1.080 m0.828 m to 1.420 m1.180 m
1.080 m0.820 m to 1.420 m1.180 m
1.080 m0.820 m to 1.420 m1.180 m
1.090 m0.820 m to 1.420 m1.180 m
1.090 m0.820 m to 1.421 m1.180 m
1.100 m0.820 m to 1.430 m1.175 m
1.100 m0.820 m to 1.430 m1.170 m
1.100 m0.820 m to 1.430 m1.170 m
1.100 m0.820 m to 1.440 m1.170 m
1.100 m0.820 m to 1.440 m1.170 m
1.100 m0.820 m to 1.441 m1.170 m
1.100 m0.820 m to 1.450 m1.170 m
1.110 m0.820 m to 1.450 m1.170 m
1.110 m0.820 m to 1.450 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.110 m0.810 m to 1.440 m1.170 m
1.120 m0.810 m to 1.440 m1.170 m
1.120 m0.810 m to 1.440 m1.170 m
1.120 m0.820 m to 1.440 m1.170 m
1.120 m0.820 m to 1.440 m1.170 m
1.120 m0.820 m to 1.450 m1.180 m
1.130 m0.830 m to 1.450 m1.180 m
1.130 m0.830 m to 1.460 m1.180 m
1.130 m0.830 m to 1.460 m1.190 m
1.130 m0.840 m to 1.460 m1.190 m
1.130 m0.850 m to 1.470 m1.200 m
1.130 m0.860 m to 1.480 m1.210 m
1.130 m0.870 m to 1.480 m1.210 m
1.130 m0.870 m to 1.500 m1.220 m
1.130 m0.880 m to 1.510 m1.230 m
1.130 m0.890 m to 1.530 m1.250 m
1.130 m0.900 m to 1.550 m1.250 m
1.130 m0.910 m to 1.561 m1.260 m
1.130 m0.920 m to 1.570 m1.270 m
1.130 m0.919 m to 1.590 m1.280 m
1.130 m0.920 m to 1.590 m1.290 m
1.130 m0.930 m to 1.610 m1.305 m
1.130 m0.940 m to 1.620 m1.320 m
1.130 m0.940 m to 1.620 m1.330 m
1.130 m0.960 m to 1.640 m1.340 m
1.130 m0.970 m to 1.650 m1.350 m
1.130 m0.970 m to 1.650 m1.360 m
1.130 m0.980 m to 1.660 m1.370 m
1.130 m0.990 m to 1.670 m1.390 m
1.130 m1.000 m to 1.680 m1.390 m
1.130 m1.010 m to 1.680 m1.400 m
1.120 m1.020 m to 1.680 m1.400 m
1.120 m1.030 m to 1.690 m1.400 m
1.120 m1.040 m to 1.697 m1.400 m
1.120 m1.050 m to 1.700 m1.400 m
1.110 m1.055 m to 1.705 m1.410 m
1.110 m1.070 m to 1.710 m1.410 m
1.110 m1.070 m to 1.710 m1.420 m
1.100 m1.080 m to 1.714 m1.430 m
1.100 m1.090 m to 1.720 m1.430 m
1.090 m1.100 m to 1.724 m1.450 m
1.090 m1.106 m to 1.730 m1.450 m
1.090 m1.110 m to 1.730 m1.460 m
1.090 m1.110 m to 1.735 m1.470 m
1.090 m1.120 m to 1.740 m1.475 m
1.090 m1.120 m to 1.745 m1.480 m
1.080 m1.130 m to 1.750 m1.490 m
1.080 m1.140 m to 1.750 m1.490 m
1.080 m1.150 m to 1.760 m1.490 m
1.080 m1.155 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.160 m to 1.760 m1.490 m
1.080 m1.164 m to 1.760 m1.490 m
1.080 m1.164 m to 1.760 m1.490 m
1.080 m1.164 m to 1.760 m1.480 m
1.070 m1.164 m to 1.756 m1.480 m
1.070 m1.170 m to 1.750 m1.475 m
1.060 m1.170 m to 1.750 m1.470 m
1.060 m1.170 m to 1.750 m1.470 m
1.050 m1.167 m to 1.740 m1.460 m
1.040 m1.160 m to 1.740 m1.460 m
1.040 m1.160 m to 1.730 m1.450 m
1.040 m1.160 m to 1.720 m1.440 m
1.040 m1.160 m to 1.720 m1.430 m
1.030 m1.160 m to 1.713 m1.430 m
1.030 m1.160 m to 1.710 m1.430 m
1.020 m1.160 m to 1.710 m1.430 m
1.040 m1.160 m to 1.700 m1.420 m
1.040 m1.160 m to 1.690 m1.420 m
1.060 m1.150 m to 1.680 m1.410 m
1.060 m1.150 m to 1.673 m1.410 m
1.060 m1.150 m to 1.670 m1.410 m
1.070 m1.150 m to 1.660 m1.400 m
1.080 m1.123 m to 1.650 m1.390 m
1.080 m1.120 m to 1.640 m1.390 m
1.070 m1.120 m to 1.640 m1.380 m
1.070 m1.110 m to 1.630 m1.370 m
1.070 m1.110 m to 1.630 m1.370 m
1.060 m1.100 m to 1.620 m1.360 m
1.060 m1.100 m to 1.620 m1.360 m
1.050 m1.090 m to 1.610 m1.360 m
1.040 m1.090 m to 1.610 m1.350 m
1.040 m1.085 m to 1.600 m1.350 m
1.040 m1.080 m to 1.590 m1.350 m
1.030 m1.080 m to 1.590 m1.340 m
1.020 m1.070 m to 1.580 m1.340 m
1.020 m1.070 m to 1.570 m1.330 m
1.020 m1.070 m to 1.560 m1.320 m
1.010 m1.065 m to 1.555 m1.320 m
1.020 m1.060 m to 1.550 m1.310 m
1.040 m1.060 m to 1.540 m1.305 m
1.040 m1.060 m to 1.540 m1.300 m
1.050 m1.050 m to 1.530 m1.300 m
1.050 m1.050 m to 1.520 m1.290 m
1.040 m1.042 m to 1.510 m1.290 m
1.040 m1.040 m to 1.510 m1.290 m
1.040 m1.040 m to 1.500 m1.290 m
1.030 m1.030 m to 1.500 m1.280 m
1.040 m1.030 m to 1.490 m1.270 m
1.030 m1.030 m to 1.490 m1.270 m
1.030 m1.030 m to 1.480 m1.260 m
1.020 m1.030 m to 1.470 m1.260 m
1.020 m1.020 m to 1.470 m1.260 m
1.010 m1.020 m to 1.470 m1.250 m
1.020 m1.020 m to 1.460 m1.240 m
1.010 m1.020 m to 1.460 m1.240 m
1.010 m1.020 m to 1.460 m1.230 m
1.000 m1.010 m to 1.450 m1.230 m
1.000 m1.010 m to 1.450 m1.230 m
1.000 m1.010 m to 1.450 m1.220 m
0.990 m1.010 m to 1.440 m1.220 m
0.990 m1.000 m to 1.440 m1.215 m
0.990 m0.990 m to 1.436 m1.210 m
0.990 m0.990 m to 1.430 m1.200 m
0.990 m0.990 m to 1.430 m1.200 m
0.990 m0.990 m to 1.420 m1.190 m
0.990 m0.990 m to 1.410 m1.190 m
0.990 m0.980 m to 1.405 m1.180 m
0.980 m0.980 m to 1.390 m1.170 m
0.980 m0.975 m to 1.390 m1.170 m
0.980 m0.970 m to 1.380 m1.160 m
0.980 m0.970 m to 1.380 m1.160 m
0.980 m0.970 m to 1.380 m1.160 m
0.970 m0.970 m to 1.380 m1.150 m
0.970 m0.970 m to 1.370 m1.150 m
0.960 m0.960 m to 1.370 m1.140 m
0.960 m0.960 m to 1.370 m1.140 m
0.960 m0.953 m to 1.370 m1.135 m
0.950 m0.950 m to 1.370 m1.130 m
0.950 m0.943 m to 1.370 m1.130 m
0.950 m0.940 m to 1.370 m1.120 m
0.950 m0.930 m to 1.370 m1.120 m
0.950 m0.930 m to 1.370 m1.120 m
0.950 m0.920 m to 1.370 m1.110 m
0.950 m0.920 m to 1.370 m1.110 m
0.950 m0.920 m to 1.370 m1.110 m
0.950 m0.914 m to 1.370 m1.110 m
0.960 m0.910 m to 1.365 m1.110 m
0.970 m0.906 m to 1.364 m1.110 m
0.980 m0.900 m to 1.364 m1.100 m
0.990 m0.900 m to 1.365 m1.100 m
0.990 m0.900 m to 1.366 m1.100 m
0.980 m0.890 m to 1.370 m1.090 m
0.980 m0.890 m to 1.370 m1.090 m
0.980 m0.890 m to 1.370 m1.080 m
0.970 m0.890 m to 1.370 m1.080 m
0.970 m0.890 m to 1.380 m1.070 m
0.950 m0.880 m to 1.380 m1.070 m
0.950 m0.880 m to 1.380 m1.060 m
0.940 m0.880 m to 1.380 m1.060 m
0.930 m0.880 m to 1.380 m1.050 m
0.930 m0.880 m to 1.370 m1.050 m
0.930 m0.880 m to 1.370 m1.050 m
0.930 m0.880 m to 1.370 m1.040 m
0.920 m0.870 m to 1.370 m1.040 m
0.920 m0.870 m to 1.369 m1.030 m
0.940 m0.870 m to 1.360 m1.030 m
0.950 m0.870 m to 1.360 m1.025 m
0.950 m0.870 m to 1.360 m1.020 m
0.960 m0.860 m to 1.351 m1.020 m
0.960 m0.860 m to 1.350 m1.020 m
0.950 m0.860 m to 1.350 m1.015 m
0.950 m0.850 m to 1.350 m1.010 m
0.950 m0.850 m to 1.350 m1.010 m
0.960 m0.850 m to 1.350 m1.010 m
0.960 m0.850 m to 1.350 m1.005 m
0.960 m0.850 m to 1.350 m1.000 m
0.960 m0.850 m to 1.350 m1.000 m
0.970 m0.847 m to 1.350 m1.000 m
0.960 m0.840 m to 1.350 m1.000 m
0.960 m0.840 m to 1.340 m1.000 m
0.960 m0.840 m to 1.340 m0.990 m
0.970 m0.840 m to 1.340 m0.990 m
0.970 m0.840 m to 1.340 m0.990 m
0.980 m0.830 m to 1.340 m0.990 m
0.980 m0.830 m to 1.340 m0.980 m
0.980 m0.830 m to 1.332 m0.980 m
0.980 m0.830 m to 1.330 m0.970 m
0.980 m0.830 m to 1.330 m0.970 m
0.980 m0.830 m to 1.330 m0.960 m
0.980 m0.820 m to 1.330 m0.960 m
0.980 m0.820 m to 1.330 m0.960 m
0.980 m0.820 m to 1.331 m0.960 m
0.970 m0.820 m to 1.340 m0.960 m
0.970 m0.820 m to 1.340 m0.960 m
0.970 m0.820 m to 1.341 m0.960 m
0.980 m0.810 m to 1.350 m0.960 m
0.990 m0.810 m to 1.350 m0.960 m
1.000 m0.810 m to 1.350 m0.960 m
1.000 m0.810 m to 1.360 m0.960 m
1.000 m0.810 m to 1.360 m0.960 m
1.010 m0.810 m to 1.360 m0.960 m
1.010 m0.810 m to 1.360 m0.960 m
1.010 m0.810 m to 1.360 m0.960 m
1.020 m0.810 m to 1.370 m0.950 m
1.030 m0.810 m to 1.370 m0.950 m
1.030 m0.800 m to 1.370 m0.950 m
1.030 m0.800 m to 1.370 m0.950 m
1.040 m0.800 m to 1.372 m0.950 m
1.040 m0.800 m to 1.380 m0.960 m
1.040 m0.800 m to 1.380 m0.960 m
1.030 m0.800 m to 1.380 m0.960 m
1.040 m0.800 m to 1.380 m0.960 m
1.040 m0.800 m to 1.380 m0.960 m

The last 10 years, weekly averages

The last 10 years, weekly averages 1.0 m 1.5 m 2.0 m Highest 1.99 m Lowest 0.59 m 1.036 m
  • Level
  • Our record
Weekly averages of Lake Iso-Roine from the week of 24 October 2016 to 26 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
0.841 m
0.833 m
0.806 m
0.781 m
0.799 m
0.831 m
0.840 m
0.837 m
0.830 m
0.837 m
0.840 m
0.840 m
0.834 m
0.826 m
0.814 m
0.804 m
0.796 m
0.797 m
0.799 m
0.800 m
0.810 m
0.829 m
0.844 m
0.864 m
0.910 m
0.940 m
0.974 m
1.010 m
1.020 m
1.019 m
1.004 m
0.999 m
0.989 m
0.993 m
0.996 m
0.996 m
0.986 m
0.971 m
0.959 m
0.944 m
0.940 m
0.991 m
0.991 m
0.971 m
0.959 m
0.950 m
0.986 m
1.023 m
1.020 m
1.029 m
1.109 m
1.186 m
1.221 m
1.277 m
1.314 m
1.359 m
1.404 m
1.459 m
1.520 m
1.573 m
1.611 m
1.664 m
1.710 m
1.757 m
1.750 m
1.747 m
1.764 m
1.760 m
1.729 m
1.687 m
1.634 m
1.576 m
1.540 m
1.501 m
1.459 m
1.431 m
1.446 m
1.527 m
1.644 m
1.737 m
1.794 m
1.780 m
1.739 m
1.667 m
1.590 m
1.507 m
1.440 m
1.387 m
1.353 m
1.304 m
1.240 m
1.184 m
1.111 m
1.057 m
0.996 m
0.970 m
0.944 m
0.916 m
0.894 m
0.887 m
0.861 m
0.840 m
0.819 m
0.801 m
0.793 m
0.759 m
0.727 m
0.720 m
0.716 m
0.704 m
0.690 m
0.687 m
0.680 m
0.680 m
0.679 m
0.681 m
0.681 m
0.680 m
0.676 m
0.680 m
0.690 m
0.689 m
0.690 m
0.691 m
0.700 m
0.723 m
0.754 m
0.809 m
0.867 m
0.920 m
0.967 m
1.011 m
1.051 m
1.094 m
1.116 m
1.140 m
1.140 m
1.139 m
1.117 m
1.089 m
1.069 m
1.054 m
1.024 m
0.997 m
0.953 m
0.923 m
0.890 m
0.874 m
0.863 m
0.844 m
0.840 m
0.844 m
0.821 m
0.813 m
0.807 m
0.810 m
0.827 m
0.824 m
0.823 m
0.866 m
0.916 m
0.960 m
1.033 m
1.124 m
1.234 m
1.363 m
1.429 m
1.479 m
1.526 m
1.553 m
1.570 m
1.580 m
1.597 m
1.644 m
1.701 m
1.726 m
1.750 m
1.776 m
1.767 m
1.744 m
1.721 m
1.710 m
1.693 m
1.650 m
1.604 m
1.564 m
1.520 m
1.463 m
1.403 m
1.353 m
1.296 m
1.224 m
1.170 m
1.159 m
1.146 m
1.106 m
1.083 m
1.060 m
1.017 m
0.977 m
0.940 m
0.910 m
0.904 m
0.896 m
0.873 m
0.850 m
0.834 m
0.836 m
0.843 m
0.867 m
0.883 m
0.896 m
0.929 m
1.001 m
1.049 m
1.066 m
1.084 m
1.137 m
1.187 m
1.226 m
1.240 m
1.244 m
1.270 m
1.276 m
1.261 m
1.240 m
1.240 m
1.240 m
1.240 m
1.236 m
1.224 m
1.286 m
1.411 m
1.537 m
1.589 m
1.619 m
1.620 m
1.621 m
1.659 m
1.756 m
1.751 m
1.717 m
1.671 m
1.616 m
1.570 m
1.490 m
1.421 m
1.343 m
1.281 m
1.236 m
1.207 m
1.221 m
1.224 m
1.214 m
1.194 m
1.181 m
1.144 m
1.120 m
1.100 m
1.090 m
1.101 m
1.167 m
1.206 m
1.236 m
1.254 m
1.276 m
1.271 m
1.250 m
1.244 m
1.233 m
1.216 m
1.204 m
1.189 m
1.180 m
1.173 m
1.174 m
1.166 m
1.170 m
1.187 m
1.189 m
1.181 m
1.166 m
1.160 m
1.177 m
1.214 m
1.286 m
1.441 m
1.631 m
1.716 m
1.767 m
1.789 m
1.771 m
1.767 m
1.756 m
1.721 m
1.680 m
1.609 m
1.530 m
1.486 m
1.446 m
1.407 m
1.350 m
1.286 m
1.229 m
1.189 m
1.151 m
1.097 m
1.053 m
1.017 m
0.983 m
0.953 m
0.929 m
0.920 m
0.904 m
0.894 m
0.890 m
0.899 m
0.883 m
0.874 m
0.871 m
0.880 m
0.895 m
0.900 m
0.911 m
0.931 m
0.999 m
1.047 m
1.087 m
1.106 m
1.116 m
1.126 m
1.127 m
1.123 m
1.120 m
1.139 m
1.206 m
1.221 m
1.260 m
1.330 m
1.400 m
1.484 m
1.520 m
1.514 m
1.499 m
1.476 m
1.437 m
1.380 m
1.314 m
1.273 m
1.293 m
1.253 m
1.190 m
1.137 m
1.127 m
1.091 m
1.041 m
1.017 m
1.069 m
1.083 m
1.077 m
1.069 m
1.049 m
1.067 m
1.139 m
1.180 m
1.199 m
1.229 m
1.294 m
1.381 m
1.406 m
1.410 m
1.403 m
1.387 m
1.380 m
1.370 m
1.343 m
1.311 m
1.289 m
1.263 m
1.241 m
1.221 m
1.204 m
1.204 m
1.219 m
1.217 m
1.217 m
1.284 m
1.340 m
1.437 m
1.531 m
1.644 m
1.707 m
1.739 m
1.730 m
1.697 m
1.640 m
1.571 m
1.509 m
1.449 m
1.387 m
1.320 m
1.261 m
1.203 m
1.180 m
1.154 m
1.111 m
1.090 m
1.063 m
1.010 m
0.963 m
0.977 m
0.979 m
1.064 m
1.076 m
1.083 m
1.080 m
1.087 m
1.089 m
1.104 m
1.144 m
1.160 m
1.167 m
1.231 m
1.306 m
1.334 m
1.377 m
1.403 m
1.460 m
1.479 m
1.479 m
1.470 m
1.483 m
1.509 m
1.491 m
1.464 m
1.450 m
1.454 m
1.470 m
1.464 m
1.446 m
1.441 m
1.436 m
1.419 m
1.423 m
1.404 m
1.387 m
1.354 m
1.316 m
1.271 m
1.229 m
1.199 m
1.186 m
1.223 m
1.250 m
1.284 m
1.290 m
1.244 m
1.209 m
1.180 m
1.133 m
1.086 m
1.049 m
1.031 m
0.999 m
0.990 m
0.989 m
0.957 m
0.937 m
0.923 m
0.896 m
0.914 m
0.937 m
0.971 m
0.991 m
1.001 m
1.017 m
1.077 m
1.147 m
1.206 m
1.241 m
1.240 m
1.236 m
1.217 m
1.196 m
1.169 m
1.140 m
1.109 m
1.089 m
1.081 m
1.079 m
1.097 m
1.107 m
1.116 m
1.129 m
1.130 m
1.130 m
1.127 m
1.110 m
1.089 m
1.080 m
1.079 m
1.051 m
1.037 m
1.070 m
1.051 m
1.023 m
1.041 m
1.024 m
1.000 m
0.989 m
0.974 m
0.953 m
0.959 m
0.980 m
0.937 m
0.943 m
0.956 m
0.967 m
0.980 m
0.980 m
1.011 m
1.036 m
no value

The whole record since 1961, monthly averages

The whole record since 1961, monthly averages 1.0 m 1.5 m 2.0 m Highest 1.99 m Lowest 0.59 m 1.006 m
  • Level
  • Our record
Monthly averages of Lake Iso-Roine from 13 February 1961 to 26 October 2026.
Table: The whole record since 1961, monthly averages
Month startingMonthly average (m)
1.180 m
1.234 m
1.352 m
1.627 m
1.575 m
1.371 m
1.319 m
1.404 m
1.213 m
1.206 m
1.204 m
1.219 m
1.213 m
1.161 m
1.232 m
1.693 m
1.629 m
1.469 m
1.253 m
1.343 m
1.445 m
1.600 m
1.613 m
1.511 m
1.361 m
1.236 m
1.155 m
1.511 m
1.430 m
1.236 m
1.040 m
0.977 m
0.999 m
1.160 m
1.235 m
1.162 m
1.096 m
0.964 m
0.944 m
1.181 m
1.227 m
1.082 m
0.940 m
0.851 m
0.815 m
0.798 m
0.856 m
0.994 m
1.028 m
0.938 m
0.937 m
1.112 m
1.090 m
1.011 m
1.007 m
0.900 m
0.811 m
0.807 m
0.832 m
0.827 m
0.792 m
0.771 m
0.784 m
1.441 m
1.671 m
1.483 m
1.260 m
1.128 m
1.169 m
1.252 m
1.364 m
1.355 m
1.263 m
1.184 m
1.373 m
1.642 m
1.588 m
1.336 m
1.135 m
no value
no value
no value
no value
1.392 m
1.256 m
1.141 m
1.348 m
1.746 m
1.656 m
1.410 m
1.194 m
1.143 m
1.085 m
1.111 m
1.199 m
1.222 m
1.113 m
0.909 m
0.970 m
1.434 m
1.457 m
1.304 m
1.070 m
0.957 m
0.947 m
1.012 m
1.156 m
1.149 m
1.098 m
1.037 m
1.018 m
1.597 m
1.716 m
1.438 m
1.268 m
1.098 m
1.015 m
1.048 m
1.152 m
1.206 m
1.296 m
1.271 m
1.356 m
1.555 m
1.456 m
1.189 m
1.001 m
0.900 m
0.813 m
0.777 m
0.747 m
0.770 m
0.756 m
0.702 m
0.831 m
1.422 m
1.518 m
1.341 m
1.281 m
1.315 m
1.194 m
1.175 m
1.271 m
1.215 m
1.094 m
0.960 m
0.960 m
1.129 m
1.165 m
1.047 m
0.866 m
0.828 m
0.812 m
0.846 m
0.869 m
0.888 m
0.955 m
0.985 m
1.173 m
1.539 m
1.530 m
1.353 m
1.414 m
1.362 m
1.453 m
1.635 m
1.828 m
1.956 m
1.860 m
1.612 m
1.470 m
1.464 m
1.332 m
1.126 m
0.932 m
0.864 m
0.841 m
0.859 m
0.881 m
0.880 m
0.778 m
0.734 m
0.788 m
1.055 m
1.074 m
0.998 m
0.950 m
0.828 m
0.754 m
0.749 m
0.840 m
0.880 m
0.893 m
0.883 m
1.004 m
1.633 m
1.676 m
1.491 m
1.334 m
1.191 m
1.200 m
1.381 m
1.417 m
1.314 m
1.188 m
1.072 m
1.126 m
1.247 m
1.173 m
1.100 m
0.994 m
0.983 m
0.979 m
1.000 m
1.022 m
0.961 m
0.919 m
0.842 m
0.866 m
1.129 m
1.174 m
1.164 m
1.363 m
1.350 m
1.302 m
1.251 m
1.401 m
1.366 m
1.246 m
1.124 m
1.069 m
1.171 m
1.103 m
1.020 m
0.913 m
0.867 m
0.904 m
1.073 m
1.218 m
1.231 m
1.200 m
1.128 m
1.246 m
1.507 m
1.612 m
1.688 m
1.730 m
1.712 m
1.626 m
1.766 m
1.794 m
1.707 m
1.542 m
1.400 m
1.461 m
1.648 m
1.578 m
1.398 m
1.164 m
1.049 m
0.956 m
0.957 m
1.145 m
1.280 m
1.299 m
1.193 m
1.251 m
1.349 m
1.302 m
1.140 m
0.992 m
0.911 m
0.941 m
0.948 m
0.952 m
0.992 m
0.993 m
0.953 m
1.212 m
1.724 m
1.614 m
1.485 m
1.369 m
1.253 m
1.362 m
1.544 m
1.557 m
1.465 m
1.335 m
1.214 m
1.161 m
1.469 m
1.528 m
1.392 m
1.276 m
1.237 m
1.228 m
1.251 m
1.236 m
1.219 m
1.137 m
1.034 m
1.090 m
1.391 m
1.511 m
1.366 m
1.257 m
1.244 m
1.296 m
1.500 m
1.735 m
1.634 m
1.457 m
1.290 m
1.187 m
1.261 m
1.324 m
1.354 m
1.314 m
1.327 m
1.494 m
1.472 m
1.405 m
1.359 m
1.310 m
1.255 m
1.414 m
1.876 m
1.922 m
1.641 m
1.448 m
1.408 m
1.475 m
1.499 m
1.406 m
1.324 m
1.331 m
1.448 m
1.648 m
1.742 m
1.555 m
1.321 m
1.174 m
1.022 m
0.929 m
0.940 m
0.941 m
0.935 m
1.116 m
1.463 m
1.715 m
1.617 m
1.427 m
1.246 m
1.082 m
0.951 m
0.839 m
0.839 m
0.853 m
0.902 m
0.890 m
0.852 m
1.095 m
1.304 m
1.275 m
1.192 m
1.085 m
0.960 m
0.943 m
1.020 m
1.187 m
1.226 m
1.192 m
1.216 m
1.491 m
1.673 m
1.485 m
1.247 m
1.105 m
1.129 m
1.187 m
1.302 m
1.460 m
1.511 m
1.417 m
1.311 m
1.302 m
1.387 m
1.266 m
1.119 m
1.110 m
1.137 m
1.069 m
1.039 m
0.977 m
0.958 m
0.918 m
0.845 m
1.063 m
1.393 m
1.430 m
1.300 m
1.064 m
0.941 m
0.972 m
1.057 m
1.135 m
1.142 m
1.159 m
1.198 m
1.273 m
1.671 m
1.845 m
1.581 m
1.273 m
1.108 m
1.009 m
0.966 m
0.943 m
0.882 m
0.808 m
0.738 m
0.749 m
1.085 m
1.178 m
1.307 m
1.300 m
1.072 m
0.916 m
0.971 m
1.148 m
1.173 m
1.134 m
1.169 m
1.182 m
1.291 m
1.273 m
1.200 m
1.134 m
0.990 m
0.921 m
0.888 m
0.900 m
0.923 m
0.970 m
1.008 m
1.030 m
1.337 m
1.407 m
1.390 m
1.379 m
1.374 m
1.289 m
1.332 m
1.287 m
1.252 m
1.244 m
1.194 m
1.365 m
1.654 m
1.504 m
1.255 m
1.035 m
0.865 m
0.898 m
0.929 m
1.011 m
1.129 m
1.172 m
1.201 m
1.323 m
1.527 m
1.368 m
1.236 m
1.161 m
1.008 m
0.885 m
1.026 m
1.278 m
1.366 m
1.344 m
1.314 m
1.434 m
1.649 m
1.591 m
1.463 m
1.250 m
1.175 m
1.158 m
1.238 m
1.205 m
1.149 m
1.213 m
1.247 m
1.373 m
1.550 m
1.426 m
1.317 m
1.125 m
0.901 m
0.761 m
0.695 m
0.674 m
0.621 m
no value
no value
0.629 m
0.828 m
0.971 m
0.928 m
0.850 m
0.766 m
0.786 m
0.836 m
0.955 m
1.073 m
1.099 m
1.067 m
1.172 m
1.290 m
1.252 m
1.468 m
1.629 m
1.470 m
1.407 m
1.358 m
1.362 m
1.509 m
1.557 m
1.416 m
1.375 m
1.371 m
1.263 m
1.105 m
1.017 m
0.949 m
0.839 m
0.853 m
0.957 m
0.975 m
0.917 m
0.839 m
0.920 m
1.181 m
1.154 m
0.987 m
0.822 m
0.756 m
0.741 m
0.992 m
1.455 m
1.607 m
1.535 m
1.416 m
1.428 m
1.367 m
1.222 m
1.102 m
1.054 m
0.925 m
0.879 m
0.889 m
1.024 m
1.205 m
1.361 m
1.438 m
1.614 m
1.653 m
1.425 m
1.264 m
1.185 m
1.214 m
1.157 m
1.378 m
1.623 m
1.608 m
1.489 m
1.357 m
1.369 m
1.374 m
1.251 m
1.111 m
1.024 m
0.894 m
0.824 m
0.814 m
0.925 m
0.922 m
0.881 m
0.878 m
1.195 m
1.477 m
1.480 m
1.305 m
1.104 m
0.958 m
0.862 m
0.875 m
0.920 m
0.914 m
0.918 m
0.834 m
1.036 m
1.291 m
1.141 m
1.033 m
0.946 m
0.913 m
0.965 m
0.954 m
1.074 m
1.343 m
1.348 m
1.305 m
1.476 m
1.750 m
1.613 m
1.422 m
1.229 m
1.100 m
1.245 m
1.448 m
1.465 m
1.407 m
1.322 m
1.222 m
1.210 m
1.468 m
1.358 m
1.223 m
1.161 m
1.066 m
0.963 m
1.122 m
1.246 m
1.423 m
1.388 m
1.332 m
1.270 m
1.176 m
1.175 m
1.140 m
0.997 m
0.932 m
0.871 m
0.892 m
0.937 m
1.050 m
1.081 m
1.187 m
1.323 m
1.409 m
1.313 m
1.201 m
1.055 m
0.914 m
0.798 m
0.757 m
0.942 m
1.061 m
1.113 m
1.165 m
1.249 m
1.429 m
1.330 m
1.248 m
1.141 m
1.039 m
0.890 m
0.806 m
0.836 m
0.834 m
0.801 m
0.815 m
0.917 m
1.012 m
0.994 m
0.965 m
0.973 m
0.990 m
1.140 m
1.358 m
1.581 m
1.743 m
1.723 m
1.535 m
1.516 m
1.755 m
1.501 m
1.265 m
1.013 m
0.893 m
0.810 m
0.721 m
0.685 m
0.681 m
0.685 m
0.715 m
0.897 m
1.085 m
1.122 m
1.029 m
0.896 m
0.837 m
0.815 m
0.881 m
1.197 m
1.514 m
1.624 m
1.753 m
1.707 m
1.547 m
1.309 m
1.134 m
1.001 m
0.891 m
0.844 m
0.929 m
1.097 m
1.241 m
1.254 m
1.236 m
1.503 m
1.665 m
1.676 m
1.410 m
1.223 m
1.173 m
1.115 m
1.245 m
1.243 m
1.188 m
1.175 m
1.174 m
1.362 m
1.759 m
1.714 m
1.479 m
1.254 m
1.056 m
0.928 m
0.890 m
0.883 m
0.976 m
1.113 m
1.139 m
1.297 m
1.503 m
1.372 m
1.219 m
1.066 m
1.072 m
1.146 m
1.347 m
1.387 m
1.296 m
1.215 m
1.260 m
1.590 m
1.680 m
1.425 m
1.192 m
1.043 m
1.024 m
1.085 m
1.167 m
1.358 m
1.474 m
1.482 m
1.457 m
1.427 m
1.344 m
1.212 m
1.261 m
1.121 m
1.000 m
0.923 m
0.972 m
1.124 m
1.226 m
1.130 m
1.092 m
1.128 m
1.093 m
1.051 m
1.017 m
0.967 m
0.954 m
1.006 m

How this compares

  • The daily value on 26 October 2026 was 1.04 m, the twenty-seventh highest for 26 October in 65 years of record (1961 to 2026). The newest value is provisional.
  • That is 0.14 m above the median of 0.90 m for 26 October over the last 10 years. The newest value is provisional.
  • So far in 2026 the daily value was below the normal range on 67 of 299 days, the fifteenth most of the 66 years since 1961.

Same date in past years

26 October in the last 10 years

DayLevelAgainst the normal range for the date
0.89 m
1.09 m
1.20 m
0.91 m
1.15 m
0.86 m
0.83 m
0.79 m
1.22 m
0.84 m

Year by year

The lowest and highest daily value of each year

The lowest and highest daily value of each year 1.0 m 1.5 m 2.0 m Highest 1.99 m, 1988 Lowest 0.59 m, 2003
  • 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 Iso-Roine in each year from 1961 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily value in our series since 13 February 1961 was 0.59 m, on 28 February 2003 and 3 other days. The highest was 1.99 m, on 2 June 1988 and 6 other days.
Table: The lowest and highest daily value of each year
YearLowest daily value (m)DayHighest daily value (m)DayDays with a value
1.17 m1.69 m322
1.05 m1.73 m365
0.93 m1.56 m365
0.79 m1.29 m366
0.78 m1.13 m365
0.73 m1.73 m365
1.07 m1.83 m366
0.81 m1.53 m365
0.97 m1.79 m365
0.72 m1.58 m365
0.66 m1.55 m366
0.81 m1.27 m365
0.88 m1.93 m365
0.84 m1.98 m365
0.72 m1.09 m366
0.87 m1.78 m365
0.96 m1.39 m365
0.81 m1.42 m365
0.85 m1.41 m366
1.10 m1.84 m365
0.92 m1.77 m365
0.88 m1.36 m365
0.92 m1.77 m366
1.12 m1.56 m365
1.00 m1.77 m365
1.17 m1.73 m365
1.23 m1.99 m366
0.91 m1.78 m365
0.82 m1.73 m365
0.84 m1.31 m365
1.07 m1.70 m366
0.96 m1.53 m365
0.83 m1.44 m365
0.92 m1.90 m365
0.71 m1.39 m366
0.88 m1.33 m365
0.90 m1.42 m365
0.81 m1.69 m365
0.86 m1.56 m366
1.11 m1.67 m365
0.64 m1.61 m365
0.59 m1.04 m365
1.05 m1.70 m366
0.81 m1.59 m365
0.70 m1.58 m365
0.86 m1.63 m365
1.11 m1.72 m366
0.78 m1.66 m365
0.83 m1.53 m365
0.80 m1.32 m365
1.06 m1.78 m366
0.94 m1.49 m352
0.85 m1.46 m365
0.74 m1.43 m365
provisional0.77 m1.45 m366
provisional0.79 m1.68 m365
provisional0.67 m1.80 m362
provisional0.67 m1.42 m365
provisional0.83 m1.78 m366
provisional1.08 m1.77 m365
provisional0.87 m1.79 m362
provisional0.90 m1.52 m365
provisional0.95 m1.74 m366
provisional0.89 m1.51 m365
so far, provisional0.92 m1.25 m299

Each year from January to December, weekly averages

Each year from January to December, weekly averages 1.0 m 1.5 m 2.0 m 1988, highest day 2003, lowest day 2026 so far
  • The year so far
  • , the year before
  • Year of the lowest day in our series
  • Year of the highest day in our series
  • Other years
  • Normal range for the week
The weekly averages of Lake Iso-Roine 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 lowest daily value in our series since 13 February 1961 was in 2003, the highest 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 so far Weekly average (m), lowest day Weekly average (m), highest day Weekly average (m)Normal range (m)
to 1.243 m0.631 m1.364 m0.880 m to 1.568 m
to 1.240 m0.613 m1.369 m0.880 m to 1.530 m
to 1.229 mno value1.360 m0.880 m to 1.579 m
to 1.209 mno value1.356 m0.880 m to 1.570 m
to 1.184 mno value1.331 m0.880 m to 1.570 m
to 1.156 mno value1.321 m0.880 m to 1.530 m
to 1.127 mno value1.313 m0.880 m to 1.500 m
to 1.096 mno value1.297 m0.870 m to 1.470 m
to 1.087 mno value1.281 m0.850 m to 1.450 m
to 1.079 mno value1.267 m0.840 m to 1.420 m
to 1.086 mno value1.260 m0.820 m to 1.420 m
to 1.101 mno value1.246 m0.820 m to 1.440 m
to 1.110 mno value1.236 m0.810 m to 1.440 m
to 1.123 mno value1.253 m0.820 m to 1.440 m
to 1.130 mno value1.353 m0.860 m to 1.480 m
to 1.130 m0.613 m1.447 m0.920 m to 1.570 m
to 1.130 m0.646 m1.556 m0.970 m to 1.650 m
to 1.121 m0.707 m1.629 m1.030 m to 1.690 m
to 1.099 m0.764 m1.854 m1.090 m to 1.720 m
to 1.084 m0.831 m1.930 m1.130 m to 1.750 m
to 1.080 m0.919 m1.954 m1.160 m to 1.760 m
to 1.071 m0.946 m1.961 m1.164 m to 1.756 m
to 1.039 m0.960 m1.989 m1.160 m to 1.720 m
to 1.050 m0.979 m1.953 m1.150 m to 1.680 m
to 1.070 m0.980 m1.893 m1.110 m to 1.630 m
to 1.034 m0.974 m1.837 m1.080 m to 1.590 m
to 1.033 m0.957 m1.763 m1.060 m to 1.540 m
to 1.036 m0.943 m1.677 m1.030 m to 1.500 m
to 1.013 m0.924 m1.624 m1.020 m to 1.460 m
to 0.993 m0.896 m1.554 m1.000 m to 1.440 m
to 0.984 m0.874 m1.503 m0.980 m to 1.390 m
to 0.964 m0.867 m1.473 m0.960 m to 1.370 m
to 0.950 m0.839 m1.453 m0.930 m to 1.370 m
to 0.974 m0.840 m1.430 m0.900 m to 1.364 m
to 0.963 m0.834 m1.401 m0.890 m to 1.380 m
to 0.929 m0.810 m1.383 m0.880 m to 1.370 m
to 0.953 m0.777 m1.390 m0.860 m to 1.350 m
to 0.961 m0.746 m1.429 m0.850 m to 1.350 m
to 0.974 m0.716 m1.427 m0.830 m to 1.340 m
to 0.977 m0.701 m1.451 m0.820 m to 1.330 m
to 0.993 m0.793 m1.471 m0.810 m to 1.350 m
to 1.024 m0.820 m1.480 m0.810 m to 1.370 m
to no value0.816 m1.477 m0.800 m to 1.380 m
to no value0.820 m1.511 m0.800 m to 1.391 m
to no value0.824 m1.513 m0.800 m to 1.460 m
to no value0.824 m1.506 m0.790 m to 1.480 m
to no value0.844 m1.493 m0.800 m to 1.490 m
to no value0.876 m1.471 m0.810 m to 1.490 m
to no value0.914 m1.440 m0.830 m to 1.510 m
to no value0.941 m1.421 m0.850 m to 1.560 m
to no value0.966 m1.399 m0.850 m to 1.567 m
to no value1.008 m1.368 m0.870 m to 1.570 m
Every year
YearDays with a valueDays below the normal range
to 29967
3650
3660
3650
3620
3650
3660
365218
36272
365175
36629
36554
36510
3520
3660
36528
3650
3658
3660
3650
365129
3650
3660
365284
36592
3650
3660
36514
3650
3650
366126
3650
3650
3650
3660
3652
36511
3650
3660
3650
3650
3650
3660
3650
3650
3650
36675
36532
3650
3650
366302
36518
3650
36581
366111
36572
3650
3651
3660
2430
365124
365119
36634
3650
3650
3220

How it compares

That is within the normal range for the date.

Records

  • Highest daily value in our series since 13 February 1961: 1.99 m on 2 June 1988.
  • Lowest daily value in our series since 13 February 1961: 0.59 m on 26 February 2003. Provisional data.

About this lake

Lake Iso-Roine is a lake in Kanta-Häme, Finland.

It lies at 61.2075° N, 24.5211° 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.

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