World Water LevelsWater, in perspective

Illet water level at Chasné-sur-Illet today

Is the Illet unusually low at Chasné-sur-Illet?

The Illet at Chasné-sur-Illet read 0.03 m at .

Level now

in the lowest 5 percent for the date

0.03 m

Provisional

in the lowest 5 percent for the date

0.03 mNormal for the date0.06 m to 0.62 mLowest -0.147 mMedian 0.11 m
The normal range for 26 October is 0.06 m to 0.62 m: the 10th to 90th percentile of the daily highs from 19 October to 2 November in 36 years between 1990 and 2025.
Table: where the water stands
LevelValue
Newest reading0.03 m,
Normal range for the date0.06 m to 0.62 m
Median for the date0.11 m
Lowest in our series-0.147 m
Past day
-0.124 m
Past week
+0.104 m

The gauge reads the height of the water above a fixed zero, not the depth of the river.

Level history

within the normal range for the date

On the Illet at Chasné-sur-Illet averaged 0.174 m.

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

The last 90 days, against the normal range for each day 0.00 m 0.25 m 0.50 m Lowest -0.147 m 0.174 m
  • Level
  • Below the normal range
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily highs of the Illet at Chasné-sur-Illet from 28 July 2026 to 25 October 2026, with the normal range for each day and the same days a year earlier.
Table: The last 90 days, against the normal range for each day
DayDaily high (m)Normal rangeMedianA year earlier
-0.128 m0.057 m to 0.152 m0.095 m0.114 m
-0.134 m0.056 m to 0.145 m0.095 m0.097 m
-0.141 m0.056 m to 0.145 m0.095 m0.083 m
-0.147 m0.055 m to 0.145 m0.095 m0.070 m
-0.053 m0.045 m to 0.143 m0.095 m0.105 m
-0.045 m0.035 m to 0.141 m0.095 m0.096 m
-0.047 m0.021 m to 0.140 m0.095 m0.042 m
-0.056 m-0.017 m to 0.138 m0.095 m0.010 m
-0.058 m-0.025 m to 0.136 m0.094 m-0.014 m
-0.057 m-0.031 m to 0.132 m0.095 m-0.086 m
-0.058 m-0.035 m to 0.132 m0.095 m-0.092 m
-0.063 m-0.036 m to 0.132 m0.095 m-0.109 m
-0.071 m-0.038 m to 0.131 m0.095 m-0.119 m
-0.075 m-0.036 m to 0.129 m0.094 m-0.126 m
-0.039 m-0.034 m to 0.128 m0.094 m-0.129 m
-0.045 m-0.031 m to 0.126 m0.093 m-0.072 m
-0.058 m-0.031 m to 0.126 m0.092 m-0.052 m
-0.071 m-0.029 m to 0.126 m0.092 m-0.051 m
-0.088 m-0.023 m to 0.125 m0.092 m-0.054 m
-0.094 m-0.022 m to 0.122 m0.091 m-0.066 m
-0.102 m-0.021 m to 0.123 m0.091 m-0.071 m
-0.108 m-0.018 m to 0.124 m0.090 m-0.080 m
-0.105 m-0.012 m to 0.126 m0.090 m-0.075 m
0.002 m-0.012 m to 0.128 m0.090 m-0.067 m
0.001 m-0.014 m to 0.128 m0.090 m-0.071 m
0.014 m-0.011 m to 0.128 m0.089 m-0.097 m
-0.005 m-0.014 m to 0.126 m0.089 m-0.074 m
-0.026 m-0.008 m to 0.126 m0.088 m-0.073 m
-0.055 m-0.008 m to 0.126 m0.087 m-0.079 m
-0.056 m-0.003 m to 0.125 m0.086 m-0.084 m
0.040 m0.000 m to 0.125 m0.085 m-0.063 m
0.113 m0.005 m to 0.125 m0.084 m-0.003 m
0.083 m0.006 m to 0.125 m0.084 m0.076 m
0.053 m0.012 m to 0.125 m0.084 m0.104 m
0.003 m0.021 m to 0.126 m0.083 m0.059 m
-0.038 m0.025 m to 0.126 m0.083 m0.031 m
-0.052 m0.027 m to 0.125 m0.082 m0.065 m
-0.062 m0.030 m to 0.125 m0.082 m0.224 m
-0.071 m0.035 m to 0.123 m0.082 m0.226 m
-0.074 m0.042 m to 0.124 m0.082 m0.113 m
-0.077 m0.043 m to 0.126 m0.082 m0.057 m
-0.084 m0.043 m to 0.131 m0.082 m0.004 m
-0.077 m0.043 m to 0.132 m0.082 m-0.039 m
-0.071 m0.043 m to 0.134 m0.082 m-0.057 m
-0.054 m0.043 m to 0.138 m0.082 m-0.010 m
-0.080 m0.040 m to 0.138 m0.081 m0.026 m
-0.088 m0.043 m to 0.140 m0.081 m0.043 m
-0.093 m0.043 m to 0.140 m0.081 m-0.014 m
-0.099 m0.043 m to 0.140 m0.081 m0.012 m
-0.105 m0.043 m to 0.140 m0.081 m0.016 m
-0.110 m0.044 m to 0.140 m0.081 m-0.036 m
-0.110 m0.044 m to 0.139 m0.081 m-0.061 m
-0.086 m0.044 m to 0.140 m0.081 m-0.076 m
-0.096 m0.048 m to 0.140 m0.081 m-0.079 m
-0.107 m0.048 m to 0.145 m0.081 m-0.044 m
-0.116 m0.049 m to 0.145 m0.081 m0.038 m
-0.125 m0.050 m to 0.145 m0.081 m0.038 m
0.018 m0.050 m to 0.149 m0.081 m-0.050 m
0.006 m0.050 m to 0.153 m0.081 m-0.075 m
0.003 m0.050 m to 0.156 m0.082 m-0.090 m
-0.004 m0.050 m to 0.167 m0.083 m-0.098 m
-0.008 m0.050 m to 0.170 m0.085 m-0.100 m
0.192 m0.050 m to 0.180 m0.086 m-0.102 m
0.187 m0.049 m to 0.200 m0.088 m-0.103 m
0.073 m0.049 m to 0.204 m0.089 m-0.105 m
0.016 m0.049 m to 0.210 m0.090 m-0.107 m
-0.017 m0.048 m to 0.234 m0.090 m-0.110 m
-0.022 m0.047 m to 0.248 m0.089 m-0.073 m
-0.038 m0.042 m to 0.273 m0.088 m0.087 m
-0.071 m0.041 m to 0.295 m0.087 m0.085 m
-0.074 m0.040 m to 0.319 m0.087 m-0.032 m
0.045 m0.040 m to 0.307 m0.087 m-0.072 m
0.060 m0.037 m to 0.296 m0.087 m-0.086 m
0.022 m0.033 m to 0.330 m0.086 m-0.090 m
-0.033 m0.037 m to 0.338 m0.086 m-0.090 m
-0.038 m0.040 m to 0.359 m0.086 m-0.086 m
-0.035 m0.040 m to 0.359 m0.085 m-0.081 m
-0.035 m0.040 m to 0.380 m0.085 m-0.081 m
-0.054 m0.040 m to 0.404 m0.086 m-0.082 m
-0.062 m0.041 m to 0.409 m0.086 m-0.083 m
-0.071 m0.046 m to 0.418 m0.086 m-0.075 m
-0.071 m0.048 m to 0.433 m0.087 m0.001 m
-0.077 m0.050 m to 0.454 m0.089 m0.002 m
-0.068 m0.050 m to 0.499 m0.091 m0.055 m
-0.017 m0.052 m to 0.501 m0.094 m0.176 m
-0.002 m0.054 m to 0.508 m0.097 m0.140 m
-0.014 m0.055 m to 0.584 m0.100 m0.064 m
0.054 m0.056 m to 0.601 m0.100 m0.276 m
0.084 m0.057 m to 0.591 m0.101 m0.289 m
0.174 m0.058 m to 0.591 m0.102 m0.100 m

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

The last 12 months, against the normal range for each day 0 m 1 m 2 m Highest 2.152 m Lowest -0.147 m 0.174 m
  • Level
  • Below the normal range
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily highs of the Illet at Chasné-sur-Illet from 25 October 2025 to 25 October 2026, with the normal range for each day.
Table: The last 12 months, against the normal range for each day
DayDaily high (m)Normal rangeMedian
0.100 m0.058 m to 0.591 m0.102 m
0.094 m0.059 m to 0.617 m0.105 m
0.106 m0.060 m to 0.613 m0.110 m
0.120 m0.060 m to 0.613 m0.113 m
0.118 m0.060 m to 0.621 m0.113 m
0.137 m0.062 m to 0.641 m0.114 m
0.135 m0.064 m to 0.640 m0.119 m
0.329 m0.065 m to 0.639 m0.120 m
0.252 m0.066 m to 0.641 m0.123 m
0.200 m0.067 m to 0.730 m0.127 m
0.142 m0.068 m to 0.746 m0.130 m
0.101 m0.069 m to 0.886 m0.130 m
0.067 m0.070 m to 0.904 m0.130 m
0.131 m0.070 m to 0.979 m0.130 m
0.273 m0.070 m to 1.108 m0.132 m
0.207 m0.071 m to 1.132 m0.134 m
0.384 m0.071 m to 1.132 m0.138 m
0.385 m0.072 m to 1.115 m0.139 m
0.231 m0.072 m to 1.078 m0.140 m
0.192 m0.071 m to 1.078 m0.147 m
0.169 m0.071 m to 1.093 m0.150 m
0.198 m0.071 m to 1.107 m0.154 m
0.192 m0.072 m to 1.131 m0.156 m
0.177 m0.072 m to 1.130 m0.160 m
0.155 m0.072 m to 1.130 m0.170 m
-0.046 m0.073 m to 1.152 m0.173 m
-0.015 m0.074 m to 1.152 m0.181 m
0.017 m0.075 m to 1.113 m0.192 m
0.080 m0.076 m to 1.097 m0.200 m
0.711 m0.078 m to 1.020 m0.214 m
0.707 m0.080 m to 1.005 m0.216 m
0.261 m0.080 m to 1.020 m0.218 m
0.158 m0.081 m to 1.094 m0.227 m
0.096 m0.085 m to 1.141 m0.234 m
0.187 m0.087 m to 1.142 m0.236 m
0.226 m0.089 m to 1.137 m0.241 m
0.227 m0.090 m to 1.141 m0.246 m
0.132 m0.091 m to 1.177 m0.266 m
0.186 m0.091 m to 1.199 m0.276 m
0.219 m0.091 m to 1.239 m0.284 m
0.158 m0.091 m to 1.362 m0.300 m
0.144 m0.091 m to 1.393 m0.302 m
0.356 m0.090 m to 1.414 m0.304 m
0.815 m0.090 m to 1.447 m0.302 m
0.994 m0.090 m to 1.451 m0.308 m
0.993 m0.090 m to 1.456 m0.330 m
0.498 m0.090 m to 1.456 m0.335 m
0.269 m0.090 m to 1.464 m0.335 m
0.228 m0.090 m to 1.475 m0.350 m
0.194 m0.091 m to 1.491 m0.353 m
0.139 m0.093 m to 1.499 m0.357 m
0.122 m0.094 m to 1.506 m0.364 m
0.386 m0.095 m to 1.512 m0.373 m
0.399 m0.097 m to 1.512 m0.373 m
0.233 m0.098 m to 1.512 m0.360 m
0.898 m0.102 m to 1.505 m0.360 m
0.631 m0.104 m to 1.499 m0.375 m
0.751 m0.113 m to 1.499 m0.386 m
1.156 m0.115 m to 1.499 m0.391 m
1.037 m0.117 m to 1.518 m0.402 m
0.459 m0.123 m to 1.523 m0.413 m
0.278 m0.127 m to 1.552 m0.426 m
0.204 m0.127 m to 1.594 m0.461 m
0.155 m0.127 m to 1.606 m0.509 m
0.131 m0.127 m to 1.608 m0.528 m
0.117 m0.126 m to 1.608 m0.530 m
0.108 m0.125 m to 1.608 m0.527 m
0.098 m0.125 m to 1.606 m0.526 m
0.094 m0.124 m to 1.602 m0.530 m
0.097 m0.123 m to 1.599 m0.557 m
0.095 m0.124 m to 1.600 m0.557 m
0.091 m0.123 m to 1.600 m0.570 m
0.101 m0.124 m to 1.600 m0.546 m
0.111 m0.125 m to 1.596 m0.534 m
0.205 m0.126 m to 1.583 m0.534 m
0.476 m0.126 m to 1.588 m0.535 m
0.537 m0.128 m to 1.582 m0.532 m
1.005 m0.128 m to 1.574 m0.530 m
0.934 m0.129 m to 1.568 m0.526 m
1.191 m0.131 m to 1.563 m0.526 m
1.208 m0.133 m to 1.548 m0.530 m
0.844 m0.134 m to 1.546 m0.535 m
1.194 m0.137 m to 1.543 m0.536 m
1.256 m0.141 m to 1.553 m0.536 m
0.916 m0.145 m to 1.561 m0.534 m
0.573 m0.146 m to 1.563 m0.526 m
0.457 m0.148 m to 1.563 m0.516 m
0.936 m0.148 m to 1.563 m0.520 m
1.677 m0.146 m to 1.561 m0.514 m
1.677 m0.147 m to 1.568 m0.514 m
1.498 m0.146 m to 1.570 m0.508 m
1.447 m0.146 m to 1.569 m0.504 m
1.406 m0.144 m to 1.571 m0.482 m
1.060 m0.140 m to 1.585 m0.467 m
1.586 m0.140 m to 1.586 m0.460 m
1.583 m0.140 m to 1.600 m0.458 m
1.273 m0.140 m to 1.600 m0.450 m
1.145 m0.140 m to 1.609 m0.435 m
1.148 m0.139 m to 1.592 m0.433 m
0.890 m0.138 m to 1.584 m0.436 m
0.923 m0.137 m to 1.585 m0.461 m
1.232 m0.135 m to 1.590 m0.461 m
1.150 m0.135 m to 1.590 m0.465 m
1.482 m0.135 m to 1.586 m0.468 m
1.505 m0.134 m to 1.572 m0.477 m
1.328 m0.134 m to 1.559 m0.493 m
0.966 m0.134 m to 1.554 m0.511 m
1.324 m0.134 m to 1.523 m0.514 m
1.620 m0.134 m to 1.503 m0.508 m
1.724 m0.134 m to 1.477 m0.508 m
1.747 m0.133 m to 1.436 m0.507 m
1.702 m0.133 m to 1.415 m0.501 m
1.618 m0.132 m to 1.409 m0.485 m
1.685 m0.132 m to 1.415 m0.476 m
1.678 m0.132 m to 1.409 m0.469 m
1.537 m0.132 m to 1.387 m0.455 m
1.889 m0.132 m to 1.375 m0.429 m
1.898 m0.131 m to 1.375 m0.427 m
1.814 m0.131 m to 1.380 m0.429 m
1.651 m0.129 m to 1.395 m0.426 m
1.431 m0.128 m to 1.395 m0.420 m
0.982 m0.128 m to 1.398 m0.410 m
0.794 m0.127 m to 1.395 m0.400 m
0.696 m0.126 m to 1.398 m0.397 m
0.606 m0.125 m to 1.398 m0.398 m
0.603 m0.124 m to 1.412 m0.395 m
0.596 m0.124 m to 1.436 m0.394 m
0.497 m0.124 m to 1.457 m0.395 m
0.461 m0.124 m to 1.461 m0.393 m
0.390 m0.125 m to 1.460 m0.393 m
0.336 m0.126 m to 1.460 m0.388 m
0.306 m0.127 m to 1.433 m0.386 m
0.485 m0.129 m to 1.403 m0.377 m
0.468 m0.130 m to 1.379 m0.361 m
0.327 m0.134 m to 1.365 m0.351 m
0.269 m0.134 m to 1.356 m0.344 m
0.244 m0.134 m to 1.321 m0.330 m
0.263 m0.135 m to 1.304 m0.317 m
0.246 m0.133 m to 1.299 m0.303 m
1.230 m0.132 m to 1.288 m0.295 m
1.375 m0.130 m to 1.272 m0.287 m
1.139 m0.129 m to 1.245 m0.280 m
0.508 m0.125 m to 1.110 m0.274 m
0.371 m0.122 m to 1.049 m0.262 m
0.308 m0.120 m to 1.006 m0.252 m
0.250 m0.120 m to 0.965 m0.250 m
0.201 m0.118 m to 0.906 m0.244 m
0.180 m0.117 m to 0.943 m0.239 m
0.162 m0.115 m to 0.992 m0.230 m
0.147 m0.114 m to 1.000 m0.222 m
0.135 m0.113 m to 1.000 m0.216 m
0.134 m0.110 m to 0.990 m0.204 m
0.126 m0.110 m to 0.974 m0.198 m
0.119 m0.109 m to 0.931 m0.195 m
0.150 m0.107 m to 0.959 m0.194 m
0.138 m0.106 m to 0.914 m0.194 m
0.123 m0.103 m to 0.879 m0.190 m
0.122 m0.103 m to 0.874 m0.185 m
0.113 m0.102 m to 0.874 m0.182 m
0.120 m0.102 m to 0.869 m0.180 m
0.135 m0.101 m to 0.864 m0.177 m
0.137 m0.100 m to 0.843 m0.173 m
0.118 m0.100 m to 0.837 m0.170 m
0.101 m0.100 m to 0.803 m0.168 m
0.097 m0.100 m to 0.779 m0.166 m
0.091 m0.099 m to 0.764 m0.164 m
0.084 m0.099 m to 0.779 m0.162 m
0.078 m0.099 m to 0.763 m0.160 m
0.078 m0.098 m to 0.719 m0.159 m
0.080 m0.098 m to 0.674 m0.158 m
0.085 m0.096 m to 0.616 m0.156 m
0.076 m0.096 m to 0.619 m0.155 m
0.072 m0.095 m to 0.639 m0.154 m
0.067 m0.094 m to 0.639 m0.151 m
0.061 m0.093 m to 0.637 m0.151 m
0.055 m0.092 m to 0.659 m0.150 m
0.048 m0.091 m to 0.661 m0.149 m
0.044 m0.091 m to 0.661 m0.149 m
0.037 m0.089 m to 0.675 m0.147 m
0.043 m0.087 m to 0.670 m0.147 m
0.039 m0.087 m to 0.648 m0.149 m
0.007 m0.087 m to 0.644 m0.151 m
0.005 m0.087 m to 0.656 m0.156 m
0.002 m0.087 m to 0.665 m0.156 m
-0.002 m0.087 m to 0.670 m0.155 m
-0.013 m0.087 m to 0.681 m0.154 m
-0.016 m0.087 m to 0.695 m0.152 m
-0.006 m0.087 m to 0.717 m0.153 m
-0.018 m0.089 m to 0.700 m0.154 m
0.128 m0.089 m to 0.681 m0.153 m
0.308 m0.091 m to 0.644 m0.152 m
0.246 m0.091 m to 0.614 m0.150 m
1.636 m0.091 m to 0.592 m0.150 m
1.716 m0.091 m to 0.560 m0.148 m
1.673 m0.091 m to 0.548 m0.147 m
1.102 m0.091 m to 0.503 m0.143 m
0.454 m0.090 m to 0.476 m0.139 m
1.033 m0.090 m to 0.442 m0.135 m
1.352 m0.089 m to 0.415 m0.134 m
1.148 m0.089 m to 0.395 m0.132 m
0.497 m0.087 m to 0.376 m0.131 m
0.400 m0.086 m to 0.345 m0.130 m
0.509 m0.085 m to 0.334 m0.130 m
0.373 m0.084 m to 0.321 m0.128 m
0.275 m0.083 m to 0.331 m0.127 m
0.247 m0.081 m to 0.335 m0.125 m
0.249 m0.079 m to 0.335 m0.124 m
0.228 m0.078 m to 0.335 m0.123 m
0.155 m0.077 m to 0.345 m0.122 m
0.125 m0.075 m to 0.389 m0.121 m
0.108 m0.074 m to 0.418 m0.120 m
0.093 m0.074 m to 0.419 m0.119 m
0.079 m0.073 m to 0.410 m0.117 m
0.066 m0.071 m to 0.419 m0.115 m
0.054 m0.070 m to 0.439 m0.113 m
0.052 m0.070 m to 0.455 m0.111 m
0.035 m0.068 m to 0.455 m0.109 m
0.025 m0.066 m to 0.439 m0.108 m
0.009 m0.062 m to 0.439 m0.106 m
0.009 m0.059 m to 0.424 m0.105 m
0.204 m0.053 m to 0.413 m0.104 m
0.184 m0.051 m to 0.410 m0.102 m
0.088 m0.049 m to 0.385 m0.102 m
0.075 m0.049 m to 0.332 m0.101 m
0.049 m0.043 m to 0.316 m0.101 m
0.033 m0.043 m to 0.264 m0.100 m
0.021 m0.050 m to 0.252 m0.100 m
0.073 m0.052 m to 0.244 m0.100 m
0.089 m0.055 m to 0.240 m0.100 m
0.062 m0.060 m to 0.240 m0.100 m
0.029 m0.060 m to 0.226 m0.100 m
0.030 m0.057 m to 0.217 m0.100 m
-0.023 m0.055 m to 0.217 m0.100 m
-0.037 m0.056 m to 0.210 m0.099 m
-0.042 m0.056 m to 0.203 m0.098 m
-0.050 m0.056 m to 0.193 m0.097 m
0.024 m0.053 m to 0.189 m0.097 m
0.026 m0.053 m to 0.193 m0.096 m
0.018 m0.053 m to 0.185 m0.095 m
0.008 m0.053 m to 0.183 m0.094 m
-0.002 m0.053 m to 0.180 m0.094 m
-0.008 m0.053 m to 0.181 m0.094 m
0.007 m0.053 m to 0.181 m0.094 m
0.006 m0.052 m to 0.190 m0.094 m
0.000 m0.052 m to 0.192 m0.094 m
-0.006 m0.051 m to 0.192 m0.094 m
-0.016 m0.051 m to 0.192 m0.094 m
-0.023 m0.051 m to 0.192 m0.094 m
-0.032 m0.049 m to 0.192 m0.094 m
-0.044 m0.049 m to 0.194 m0.094 m
-0.016 m0.049 m to 0.201 m0.095 m
0.034 m0.050 m to 0.208 m0.096 m
0.022 m0.048 m to 0.196 m0.096 m
0.007 m0.048 m to 0.196 m0.096 m
0.006 m0.052 m to 0.201 m0.097 m
-0.011 m0.052 m to 0.198 m0.097 m
-0.024 m0.052 m to 0.192 m0.096 m
-0.027 m0.051 m to 0.190 m0.096 m
-0.028 m0.051 m to 0.187 m0.095 m
-0.035 m0.051 m to 0.178 m0.094 m
-0.050 m0.051 m to 0.176 m0.094 m
-0.062 m0.051 m to 0.175 m0.093 m
-0.054 m0.051 m to 0.169 m0.093 m
-0.050 m0.051 m to 0.163 m0.092 m
0.036 m0.052 m to 0.145 m0.091 m
0.095 m0.052 m to 0.145 m0.091 m
0.049 m0.053 m to 0.152 m0.091 m
0.002 m0.055 m to 0.152 m0.091 m
-0.036 m0.055 m to 0.152 m0.091 m
-0.056 m0.055 m to 0.154 m0.092 m
-0.071 m0.054 m to 0.153 m0.092 m
-0.080 m0.054 m to 0.153 m0.093 m
-0.089 m0.056 m to 0.153 m0.093 m
-0.104 m0.056 m to 0.154 m0.093 m
-0.113 m0.056 m to 0.154 m0.094 m
-0.122 m0.056 m to 0.153 m0.095 m
-0.128 m0.057 m to 0.152 m0.095 m
-0.134 m0.056 m to 0.145 m0.095 m
-0.141 m0.056 m to 0.145 m0.095 m
-0.147 m0.055 m to 0.145 m0.095 m
-0.053 m0.045 m to 0.143 m0.095 m
-0.045 m0.035 m to 0.141 m0.095 m
-0.047 m0.021 m to 0.140 m0.095 m
-0.056 m-0.017 m to 0.138 m0.095 m
-0.058 m-0.025 m to 0.136 m0.094 m
-0.057 m-0.031 m to 0.132 m0.095 m
-0.058 m-0.035 m to 0.132 m0.095 m
-0.063 m-0.036 m to 0.132 m0.095 m
-0.071 m-0.038 m to 0.131 m0.095 m
-0.075 m-0.036 m to 0.129 m0.094 m
-0.039 m-0.034 m to 0.128 m0.094 m
-0.045 m-0.031 m to 0.126 m0.093 m
-0.058 m-0.031 m to 0.126 m0.092 m
-0.071 m-0.029 m to 0.126 m0.092 m
-0.088 m-0.023 m to 0.125 m0.092 m
-0.094 m-0.022 m to 0.122 m0.091 m
-0.102 m-0.021 m to 0.123 m0.091 m
-0.108 m-0.018 m to 0.124 m0.090 m
-0.105 m-0.012 m to 0.126 m0.090 m
0.002 m-0.012 m to 0.128 m0.090 m
0.001 m-0.014 m to 0.128 m0.090 m
0.014 m-0.011 m to 0.128 m0.089 m
-0.005 m-0.014 m to 0.126 m0.089 m
-0.026 m-0.008 m to 0.126 m0.088 m
-0.055 m-0.008 m to 0.126 m0.087 m
-0.056 m-0.003 m to 0.125 m0.086 m
0.040 m0.000 m to 0.125 m0.085 m
0.113 m0.005 m to 0.125 m0.084 m
0.083 m0.006 m to 0.125 m0.084 m
0.053 m0.012 m to 0.125 m0.084 m
0.003 m0.021 m to 0.126 m0.083 m
-0.038 m0.025 m to 0.126 m0.083 m
-0.052 m0.027 m to 0.125 m0.082 m
-0.062 m0.030 m to 0.125 m0.082 m
-0.071 m0.035 m to 0.123 m0.082 m
-0.074 m0.042 m to 0.124 m0.082 m
-0.077 m0.043 m to 0.126 m0.082 m
-0.084 m0.043 m to 0.131 m0.082 m
-0.077 m0.043 m to 0.132 m0.082 m
-0.071 m0.043 m to 0.134 m0.082 m
-0.054 m0.043 m to 0.138 m0.082 m
-0.080 m0.040 m to 0.138 m0.081 m
-0.088 m0.043 m to 0.140 m0.081 m
-0.093 m0.043 m to 0.140 m0.081 m
-0.099 m0.043 m to 0.140 m0.081 m
-0.105 m0.043 m to 0.140 m0.081 m
-0.110 m0.044 m to 0.140 m0.081 m
-0.110 m0.044 m to 0.139 m0.081 m
-0.086 m0.044 m to 0.140 m0.081 m
-0.096 m0.048 m to 0.140 m0.081 m
-0.107 m0.048 m to 0.145 m0.081 m
-0.116 m0.049 m to 0.145 m0.081 m
-0.125 m0.050 m to 0.145 m0.081 m
0.018 m0.050 m to 0.149 m0.081 m
0.006 m0.050 m to 0.153 m0.081 m
0.003 m0.050 m to 0.156 m0.082 m
-0.004 m0.050 m to 0.167 m0.083 m
-0.008 m0.050 m to 0.170 m0.085 m
0.192 m0.050 m to 0.180 m0.086 m
0.187 m0.049 m to 0.200 m0.088 m
0.073 m0.049 m to 0.204 m0.089 m
0.016 m0.049 m to 0.210 m0.090 m
-0.017 m0.048 m to 0.234 m0.090 m
-0.022 m0.047 m to 0.248 m0.089 m
-0.038 m0.042 m to 0.273 m0.088 m
-0.071 m0.041 m to 0.295 m0.087 m
-0.074 m0.040 m to 0.319 m0.087 m
0.045 m0.040 m to 0.307 m0.087 m
0.060 m0.037 m to 0.296 m0.087 m
0.022 m0.033 m to 0.330 m0.086 m
-0.033 m0.037 m to 0.338 m0.086 m
-0.038 m0.040 m to 0.359 m0.086 m
-0.035 m0.040 m to 0.359 m0.085 m
-0.035 m0.040 m to 0.380 m0.085 m
-0.054 m0.040 m to 0.404 m0.086 m
-0.062 m0.041 m to 0.409 m0.086 m
-0.071 m0.046 m to 0.418 m0.086 m
-0.071 m0.048 m to 0.433 m0.087 m
-0.077 m0.050 m to 0.454 m0.089 m
-0.068 m0.050 m to 0.499 m0.091 m
-0.017 m0.052 m to 0.501 m0.094 m
-0.002 m0.054 m to 0.508 m0.097 m
-0.014 m0.055 m to 0.584 m0.100 m
0.054 m0.056 m to 0.601 m0.100 m
0.084 m0.057 m to 0.591 m0.101 m
0.174 m0.058 m to 0.591 m0.102 m

The last 10 years, weekly averages

The last 10 years, weekly averages 0 m 1 m 2 m Highest 2.152 m Lowest -0.147 m 0.030 m
  • Level
  • Our record
Weekly averages of the Illet at Chasné-sur-Illet from the week of 24 October 2016 to 25 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average of daily highs (m)
0.071 m
0.068 m
0.157 m
0.113 m
0.260 m
0.084 m
0.065 m
0.076 m
0.098 m
0.077 m
0.073 m
0.241 m
0.269 m
0.092 m
0.579 m
0.791 m
0.190 m
0.125 m
0.530 m
0.560 m
0.267 m
0.166 m
0.116 m
0.103 m
0.094 m
0.089 m
0.120 m
0.440 m
0.174 m
0.122 m
0.097 m
0.125 m
0.107 m
0.066 m
0.054 m
0.075 m
0.068 m
0.092 m
0.088 m
0.091 m
0.078 m
0.149 m
0.085 m
0.087 m
0.096 m
0.115 m
0.159 m
0.086 m
0.101 m
0.086 m
0.067 m
0.098 m
0.081 m
0.083 m
0.135 m
0.097 m
0.200 m
0.456 m
0.483 m
0.984 m
0.295 m
1.176 m
1.501 m
0.470 m
1.335 m
0.915 m
1.111 m
0.743 m
1.011 m
0.679 m
0.492 m
1.162 m
1.009 m
0.643 m
1.213 m
0.878 m
0.628 m
0.203 m
0.170 m
0.273 m
0.111 m
0.095 m
0.156 m
0.341 m
1.635 m
1.170 m
0.200 m
0.169 m
0.163 m
0.080 m
0.071 m
0.066 m
0.065 m
0.140 m
0.086 m
0.075 m
0.103 m
0.064 m
0.085 m
0.093 m
0.091 m
0.187 m
0.106 m
0.063 m
0.075 m
0.097 m
0.152 m
0.083 m
0.143 m
0.374 m
0.663 m
0.243 m
0.481 m
0.199 m
0.116 m
0.109 m
0.118 m
0.355 m
1.159 m
1.205 m
0.794 m
0.242 m
0.168 m
0.292 m
0.340 m
0.279 m
0.129 m
0.121 m
0.108 m
0.098 m
0.173 m
0.107 m
0.247 m
0.107 m
0.092 m
0.078 m
0.105 m
0.214 m
0.105 m
0.085 m
0.070 m
0.088 m
0.065 m
0.064 m
0.069 m
0.066 m
0.078 m
0.063 m
0.051 m
0.069 m
0.084 m
0.078 m
0.093 m
-0.017 m
0.037 m
0.517 m
0.291 m
1.270 m
1.603 m
1.673 m
1.013 m
1.294 m
1.015 m
1.579 m
1.670 m
1.073 m
0.526 m
0.579 m
1.186 m
0.465 m
1.136 m
1.111 m
0.806 m
0.829 m
1.081 m
1.524 m
0.960 m
0.399 m
0.181 m
0.116 m
0.092 m
0.077 m
0.098 m
0.217 m
0.355 m
0.093 m
0.037 m
0.007 m
-0.034 m
0.082 m
0.077 m
0.016 m
-0.006 m
-0.016 m
-0.015 m
-0.028 m
-0.027 m
-0.086 m
0.046 m
0.001 m
-0.044 m
-0.062 m
-0.083 m
0.079 m
0.114 m
0.267 m
0.129 m
0.079 m
0.327 m
0.330 m
0.144 m
0.169 m
0.254 m
0.093 m
0.387 m
1.066 m
0.833 m
1.485 m
1.267 m
0.463 m
0.392 m
0.858 m
1.438 m
1.461 m
0.547 m
0.485 m
0.355 m
0.225 m
0.319 m
0.200 m
0.122 m
0.104 m
0.235 m
0.151 m
0.083 m
0.062 m
0.076 m
0.144 m
0.131 m
0.119 m
0.034 m
-0.024 m
0.089 m
0.317 m
0.263 m
0.329 m
0.097 m
0.101 m
0.122 m
0.110 m
-0.001 m
-0.054 m
-0.055 m
-0.073 m
0.000 m
-0.099 m
-0.070 m
0.274 m
0.276 m
0.015 m
0.090 m
0.058 m
0.104 m
0.014 m
0.025 m
0.178 m
0.716 m
1.300 m
0.446 m
0.199 m
0.810 m
1.239 m
0.901 m
0.323 m
0.208 m
0.203 m
0.247 m
0.887 m
0.311 m
0.252 m
0.234 m
0.245 m
0.109 m
0.080 m
0.440 m
0.141 m
0.048 m
0.017 m
0.000 m
-0.031 m
0.010 m
0.114 m
0.002 m
-0.037 m
-0.084 m
0.063 m
-0.062 m
-0.092 m
-0.051 m
-0.056 m
-0.053 m
-0.050 m
-0.063 m
0.009 m
-0.068 m
0.031 m
0.029 m
0.072 m
-0.052 m
0.041 m
-0.053 m
0.037 m
0.006 m
0.078 m
0.168 m
0.131 m
0.319 m
0.310 m
0.270 m
0.075 m
0.147 m
1.165 m
0.967 m
0.672 m
0.824 m
1.231 m
0.454 m
0.289 m
0.161 m
0.117 m
0.105 m
0.096 m
0.710 m
0.588 m
0.639 m
0.973 m
0.344 m
0.921 m
0.515 m
0.837 m
0.288 m
0.429 m
0.130 m
0.058 m
0.005 m
0.030 m
-0.015 m
-0.029 m
-0.069 m
-0.024 m
-0.086 m
-0.060 m
0.080 m
0.156 m
-0.027 m
0.011 m
0.024 m
0.057 m
0.016 m
0.049 m
0.213 m
0.050 m
-0.030 m
-0.077 m
0.072 m
0.322 m
1.132 m
0.698 m
0.869 m
0.572 m
0.550 m
1.568 m
1.119 m
0.556 m
0.485 m
1.330 m
0.493 m
1.175 m
1.039 m
0.482 m
1.061 m
0.694 m
1.346 m
1.405 m
0.983 m
0.618 m
0.413 m
0.629 m
0.680 m
0.315 m
0.167 m
0.320 m
0.403 m
0.305 m
0.380 m
0.465 m
0.198 m
0.077 m
0.054 m
0.549 m
0.100 m
0.027 m
0.199 m
0.044 m
0.065 m
-0.012 m
-0.084 m
-0.008 m
0.089 m
0.009 m
0.267 m
0.135 m
0.089 m
0.293 m
0.116 m
0.663 m
1.027 m
1.236 m
0.311 m
0.202 m
0.174 m
0.853 m
0.608 m
0.574 m
0.486 m
0.693 m
0.695 m
1.131 m
1.707 m
0.600 m
1.392 m
1.687 m
0.781 m
1.050 m
0.742 m
1.244 m
0.466 m
0.314 m
0.287 m
0.304 m
0.188 m
0.127 m
0.200 m
0.294 m
0.262 m
0.276 m
0.249 m
0.217 m
0.168 m
0.158 m
0.142 m
0.054 m
0.148 m
0.231 m
0.144 m
0.234 m
0.243 m
0.087 m
-0.077 m
-0.071 m
-0.077 m
0.001 m
0.103 m
-0.006 m
-0.035 m
-0.068 m
-0.047 m
-0.077 m
-0.038 m
0.163 m
0.171 m
0.160 m
0.250 m
0.154 m
0.266 m
0.287 m
0.474 m
0.489 m
0.489 m
0.100 m
0.481 m
1.026 m
1.300 m
1.241 m
1.227 m
1.631 m
1.700 m
0.682 m
0.396 m
0.681 m
0.283 m
0.136 m
0.124 m
0.087 m
0.066 m
0.025 m
0.054 m
1.123 m
0.651 m
0.172 m
0.046 m
0.092 m
0.040 m
-0.008 m
-0.003 m
-0.007 m
-0.024 m
0.002 m
-0.078 m
-0.110 m
-0.059 m
-0.067 m
-0.043 m
0.022 m
-0.053 m
-0.078 m
-0.102 m
-0.032 m
0.056 m
-0.013 m
-0.058 m
0.030 m

The whole record since 1990, weekly averages

The whole record since 1990, weekly averages 0 m 1 m 2 m Highest 2.152 m Lowest -0.147 m 0.030 m
  • Level
  • Our record
Weekly averages of the Illet at Chasné-sur-Illet from 21 March 1990 to 25 October 2026.
Table: The whole record since 1990, weekly averages
Week startingWeekly average of daily highs (m)
0.110 m
0.104 m
0.101 m
0.123 m
0.167 m
0.108 m
0.094 m
0.168 m
0.076 m
0.109 m
0.075 m
0.108 m
0.094 m
0.134 m
0.091 m
0.121 m
0.084 m
0.084 m
0.090 m
0.090 m
0.107 m
0.110 m
0.110 m
0.101 m
0.093 m
0.057 m
0.050 m
0.062 m
0.075 m
0.043 m
0.056 m
0.088 m
0.302 m
0.088 m
0.097 m
0.091 m
0.100 m
0.087 m
0.083 m
0.129 m
0.241 m
0.560 m
0.976 m
0.244 m
0.184 m
0.145 m
0.123 m
0.535 m
0.360 m
0.202 m
0.290 m
0.188 m
0.625 m
0.176 m
0.252 m
0.144 m
0.120 m
0.121 m
0.158 m
0.142 m
0.113 m
0.094 m
0.074 m
0.086 m
0.079 m
0.088 m
0.083 m
0.070 m
0.064 m
0.067 m
0.084 m
0.107 m
0.100 m
0.081 m
0.072 m
0.084 m
0.092 m
0.097 m
0.100 m
0.125 m
0.093 m
0.080 m
0.072 m
0.071 m
0.101 m
0.132 m
0.244 m
0.143 m
0.104 m
0.081 m
0.080 m
0.144 m
0.115 m
0.097 m
0.106 m
0.092 m
0.092 m
0.080 m
0.082 m
0.175 m
0.121 m
0.100 m
0.094 m
0.090 m
0.081 m
0.182 m
0.414 m
0.147 m
0.150 m
0.124 m
0.115 m
0.097 m
0.111 m
0.094 m
0.101 m
0.096 m
0.077 m
0.082 m
0.081 m
0.077 m
0.064 m
0.058 m
0.070 m
0.070 m
0.070 m
0.070 m
0.077 m
0.072 m
0.085 m
0.080 m
0.080 m
0.085 m
0.097 m
0.086 m
0.082 m
0.087 m
0.089 m
0.073 m
0.079 m
0.563 m
0.347 m
0.682 m
0.846 m
0.281 m
0.165 m
0.130 m
0.170 m
1.053 m
0.365 m
0.165 m
0.147 m
0.140 m
0.132 m
0.125 m
0.101 m
0.091 m
0.086 m
0.082 m
0.092 m
0.179 m
0.163 m
0.451 m
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
0.108 m
0.092 m
0.085 m
no value
no value
no value
no value
no value
0.110 m
0.164 m
0.517 m
0.133 m
0.957 m
0.771 m
1.331 m
0.250 m
0.148 m
0.133 m
0.360 m
0.168 m
0.136 m
0.152 m
0.406 m
0.723 m
1.308 m
1.207 m
1.490 m
1.545 m
1.072 m
0.697 m
1.052 m
1.197 m
0.892 m
0.855 m
0.526 m
0.287 m
0.264 m
0.292 m
0.271 m
0.979 m
0.599 m
0.216 m
0.172 m
0.161 m
0.172 m
0.694 m
0.807 m
0.859 m
0.265 m
0.154 m
0.131 m
0.098 m
0.097 m
0.090 m
0.106 m
0.120 m
0.106 m
0.108 m
0.092 m
0.099 m
0.100 m
0.156 m
0.137 m
0.165 m
0.137 m
0.130 m
0.130 m
0.135 m
0.141 m
0.414 m
0.860 m
0.664 m
0.207 m
0.149 m
0.810 m
0.314 m
0.333 m
1.083 m
0.572 m
0.362 m
1.375 m
1.728 m
1.318 m
0.923 m
1.214 m
1.168 m
0.696 m
1.001 m
0.429 m
0.372 m
0.381 m
0.196 m
0.160 m
0.203 m
0.188 m
0.128 m
0.164 m
0.388 m
0.109 m
0.109 m
0.107 m
0.092 m
0.084 m
0.093 m
0.159 m
0.074 m
0.077 m
0.080 m
0.081 m
0.081 m
0.071 m
0.062 m
0.050 m
0.078 m
0.083 m
0.095 m
0.075 m
0.084 m
0.071 m
0.070 m
0.075 m
0.080 m
0.083 m
0.096 m
0.105 m
0.216 m
0.143 m
0.133 m
0.719 m
0.541 m
0.719 m
0.815 m
0.197 m
0.229 m
0.140 m
0.924 m
0.572 m
0.738 m
0.722 m
0.188 m
0.136 m
0.520 m
0.295 m
0.142 m
0.146 m
0.127 m
0.241 m
0.209 m
0.176 m
0.193 m
0.247 m
0.150 m
0.108 m
0.083 m
0.080 m
0.081 m
0.091 m
0.099 m
0.095 m
0.095 m
0.106 m
0.110 m
0.105 m
0.097 m
0.097 m
0.079 m
0.080 m
0.073 m
0.066 m
0.075 m
0.072 m
0.064 m
0.051 m
0.065 m
0.093 m
0.077 m
0.209 m
0.653 m
0.610 m
0.139 m
0.353 m
0.340 m
0.131 m
0.127 m
0.165 m
0.184 m
0.151 m
0.167 m
0.654 m
0.577 m
0.966 m
0.281 m
0.142 m
0.130 m
0.120 m
0.109 m
0.094 m
0.081 m
0.081 m
0.082 m
0.107 m
0.099 m
0.151 m
0.084 m
0.067 m
0.084 m
0.147 m
0.130 m
0.217 m
0.095 m
0.081 m
0.082 m
0.093 m
0.090 m
0.100 m
0.092 m
0.108 m
0.077 m
0.076 m
0.068 m
0.064 m
0.067 m
0.073 m
0.066 m
0.100 m
0.053 m
0.072 m
0.089 m
0.093 m
0.106 m
0.185 m
0.249 m
0.134 m
0.694 m
0.964 m
1.049 m
0.813 m
0.763 m
0.183 m
0.133 m
0.124 m
0.142 m
0.128 m
0.394 m
0.310 m
0.135 m
0.114 m
0.537 m
0.683 m
1.184 m
1.058 m
1.416 m
0.492 m
0.165 m
0.114 m
0.122 m
0.107 m
0.151 m
0.219 m
0.090 m
0.123 m
0.100 m
0.146 m
0.100 m
0.097 m
0.100 m
0.097 m
0.091 m
0.095 m
0.121 m
0.130 m
0.126 m
0.130 m
0.212 m
0.114 m
0.197 m
0.509 m
0.901 m
0.344 m
0.668 m
0.468 m
0.310 m
0.464 m
0.750 m
0.577 m
1.298 m
1.521 m
1.145 m
0.982 m
1.160 m
1.051 m
0.386 m
1.116 m
0.766 m
0.990 m
0.946 m
0.984 m
0.309 m
0.248 m
0.270 m
0.182 m
0.744 m
0.970 m
0.600 m
0.150 m
0.118 m
0.405 m
0.101 m
0.192 m
0.151 m
0.097 m
0.089 m
0.085 m
0.084 m
0.089 m
0.095 m
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1.370 m
1.215 m
1.654 m
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1.381 m
no value
no value
0.759 m
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0.168 m
0.158 m
0.142 m
0.054 m
0.148 m
0.231 m
0.144 m
0.234 m
0.243 m
0.087 m
-0.077 m
-0.071 m
-0.077 m
0.001 m
0.103 m
-0.006 m
-0.035 m
-0.068 m
-0.047 m
-0.077 m
-0.038 m
0.163 m
0.171 m
0.160 m
0.250 m
0.154 m
0.266 m
0.287 m
0.474 m
0.489 m
0.489 m
0.100 m
0.481 m
1.026 m
1.300 m
1.241 m
1.227 m
1.631 m
1.700 m
0.682 m
0.396 m
0.681 m
0.283 m
0.136 m
0.124 m
0.087 m
0.066 m
0.025 m
0.054 m
1.123 m
0.651 m
0.172 m
0.046 m
0.092 m
0.040 m
-0.008 m
-0.003 m
-0.007 m
-0.024 m
0.002 m
-0.078 m
-0.110 m
-0.059 m
-0.067 m
-0.043 m
0.022 m
-0.053 m
-0.078 m
-0.102 m
-0.032 m
0.056 m
-0.013 m
-0.058 m
0.030 m

How this compares

  • The daily high on 25 October 2026 was 0.174 m, the ninth highest for 25 October in 37 years of record (1990 to 2026). The newest value is provisional.
  • That is 0.07 m above the median of 0.10 m for 25 October over the last 10 years. The newest value is provisional.
  • So far in 2026 the daily high was below the normal range on 160 of 298 days, the second most of the 37 years since 1990.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
0.10 m
0.715 m
0.097 m
0.159 m
0.022 m
0.837 m
0.241 m
0.069 m
0.092 m
0.083 m

Year by year

The lowest and highest daily high of each year

The lowest and highest daily high of each year 0 m 1 m 2 m Highest 2.152 m, 2018 Lowest -0.147 m, 2026 so far
  • Each year, lowest to highest
  • The year so far
  • Lowest in our series
  • Highest in our series
The lowest and highest daily high of the Illet at Chasné-sur-Illet in each year from 1991 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily high in our series since 21 March 1990 was -0.147 m, on 31 July 2026, a provisional value. The highest was 2.152 m, on 4 June 2018, a provisional value.
Table: The lowest and highest daily high of each year
YearLowest daily high (m)DayHighest daily high (m)DayDays with a value
provisional0.06 m1.60 m365
provisional0.052 m1.53 m366
provisional0.083 m1.79 m365
provisional0.05 m2.03 m365
provisional0.042 m1.65 m366
provisional0.05 m1.66 m365
provisional0.082 m1.776 m365
provisional0.069 m1.96 m363
provisional0.093 m2.096 m366
provisional0.072 m1.893 m365
provisional0.052 m1.682 m365
provisional0.051 m1.519 m345
provisional0.05 m1.726 m366
provisional0.05 m1.513 m365
provisional0.05 m1.752 m365
provisional0.08 m2.038 m365
provisional0.071 m1.911 m366
provisional0.068 m1.74 m365
provisional0.047 m1.788 m365
provisional0.042 m1.289 m365
provisional0.056 m1.821 m366
provisional0.059 m1.968 m365
provisional0.064 m1.782 m365
provisional0.058 m1.592 m365
provisional0.055 m1.851 m366
provisional0.049 m1.656 m365
provisional0.054 m2.152 m365
provisional-0.111 m1.895 m365
-0.103 m1.877 m366
-0.116 m1.827 m365
provisional-0.109 m1.638 m365
provisional-0.111 m1.704 m365
provisional-0.111 m1.869 m366
provisional-0.129 m2.13 m365
so far, provisional-0.147 m1.898 m298

Each year from January to December, weekly averages of daily highs

Each year from January to December, weekly averages of daily highs 0 m 1 m 2018, highest day 2026 so far
  • The year so far, also the year of the lowest day in our series
  • , the year before
  • Year of the highest day in our series
  • Other years
  • Normal range for the week
The weekly averages of daily highs of the Illet at Chasné-sur-Illet in each year from 1990 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 high in our series since 21 March 1990 was in 2026, the highest in 2018. 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 of daily highs
Week so far, lowest day Weekly average of daily highs (m), highest day Weekly average of daily highs (m)Normal range (m)
to 0.113 m1.501 m0.123 m to 1.600 m
to 0.885 m0.470 m0.129 m to 1.568 m
to 1.001 m1.335 m0.146 m to 1.563 m
to 1.465 m0.915 m0.144 m to 1.571 m
to 1.109 m1.111 m0.138 m to 1.584 m
to 1.421 m0.743 m0.134 m to 1.554 m
to 1.694 m1.011 m0.132 m to 1.415 m
to 1.324 m0.679 m0.128 m to 1.395 m
to 0.498 m0.492 m0.124 m to 1.457 m
to 0.337 m1.162 m0.134 m to 1.365 m
to 0.740 m1.009 m0.129 m to 1.245 m
to 0.173 m0.643 m0.115 m to 0.992 m
to 0.127 m1.213 m0.106 m to 0.914 m
to 0.114 m0.878 m0.100 m to 0.837 m
to 0.079 m0.628 m0.098 m to 0.674 m
to 0.051 m0.203 m0.091 m to 0.661 m
to 0.003 m0.170 m0.087 m to 0.665 m
to 0.573 m0.273 m0.091 m to 0.644 m
to 1.037 m0.111 m0.090 m to 0.442 m
to 0.326 m0.095 m0.083 m to 0.331 m
to 0.097 m0.156 m0.074 m to 0.419 m
to 0.074 m0.341 m0.062 m to 0.439 m
to 0.061 m1.635 m0.043 m to 0.264 m
to -0.004 m1.170 m0.055 m to 0.217 m
to 0.010 m0.200 m0.053 m to 0.183 m
to -0.016 m0.169 m0.051 m to 0.192 m
to 0.003 m0.163 m0.048 m to 0.196 m
to -0.044 m0.080 m0.051 m to 0.176 m
to 0.003 m0.071 m0.055 m to 0.152 m
to -0.110 m0.066 m0.056 m to 0.154 m
to -0.078 m0.065 m0.035 m to 0.141 m
to -0.058 m0.140 m-0.038 m to 0.131 m
to -0.089 m0.086 m-0.022 m to 0.122 m
to -0.018 m0.075 m-0.014 m to 0.126 m
to 0.029 m0.103 m0.012 m to 0.125 m
to -0.074 m0.064 m0.043 m to 0.126 m
to -0.090 m0.085 m0.043 m to 0.140 m
to -0.089 m0.093 m0.048 m to 0.145 m
to 0.064 m0.091 m0.050 m to 0.170 m
to -0.023 m0.187 m0.042 m to 0.273 m
to -0.016 m0.106 m0.040 m to 0.359 m
to -0.053 m0.063 m0.050 m to 0.454 m
to no value0.075 m0.058 m to 0.591 m
to no value0.097 m0.065 m to 0.639 m
to no value0.152 m0.070 m to 1.108 m
to no value0.083 m0.071 m to 1.107 m
to no value0.143 m0.076 m to 1.097 m
to no value0.374 m0.089 m to 1.137 m
to no value0.663 m0.090 m to 1.414 m
to no value0.243 m0.091 m to 1.491 m
to no value0.481 m0.104 m to 1.499 m
to no value0.190 m0.127 m to 1.606 m
Every year
YearDays with a valueDays below the normal range
to 298160
36576
36638
365117
365190
365123
366128
36531
3656
36542
36639
3652
3650
3650
36638
36550
3652
3652
3660
3650
36513
36520
3661
3457
3658
36513
3660
3630
36523
36546
36619
3653
3650
26047
36684
36531
28647

How it compares

That is below the normal range for the date, in the lowest 5 percent of the daily highs of these dates in the 36 years between 1990 and 2025.

Records

  • Highest daily high in our series since 21 March 1990: 2.152 m on 4 June 2018. Provisional data.
  • Lowest daily high in our series since 21 March 1990: -0.147 m on 31 July 2026. Provisional data.

About this gauge

Chasné-sur-Illet is a gauge on the Illet in Ille-et-Vilaine, France.

It lies at 48.2472° N, 1.5749° W.

Its readings come from France's national network of river gauges (Vigicrues and its partners), through Hub'Eau.

Hub'Eau's daily highs for this gauge go back to 21 March 1990.

Hub'Eau's newest readings are mostly raw data that the gauge's operator checks and validates later.

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

About these figures

That is within the normal range for the date.

The normal range for 25 October is 0.06 m to 0.59 m: the 10th to 90th percentile of the daily highs from 18 October to 1 November in 36 years between 1990 and 2025.

Keep exploring

Sources