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Canal de Nantes à Brest water level at Saint-Gravé (downstream)

Is the Canal de Nantes à Brest at Saint-Gravé (downstream) within its normal range for the date?

The Canal de Nantes à Brest at Saint-Gravé (downstream) read 0.314 m at .

Level now

within the normal range for the date

0.314 m

Provisional

within the normal range for the date

0.314 mNormal for the date-0.22 m to 0.84 mMedian 0.38 m
The normal range for 26 October is -0.22 m to 0.84 m: the 10th to 90th percentile of the daily highs from 19 October to 2 November in 44 years between 1974 and 2025.
Table: where the water stands
LevelValue
Newest reading0.314 m,
Normal range for the date-0.22 m to 0.84 m
Median for the date0.38 m
Past day
+0.001 m
Past week
+0.097 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 Canal de Nantes à Brest at Saint-Gravé (downstream) averaged 0.326 m.

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

The last 90 days, against the normal range for each day 0.0 m 0.5 m 0.326 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
Daily highs of the Canal de Nantes à Brest at Saint-Gravé (downstream) 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
0.216 m0.300 m to 0.441 m0.346 m0.306 m
0.207 m0.300 m to 0.441 m0.345 m0.308 m
0.192 m0.298 m to 0.440 m0.345 m0.309 m
0.198 m0.297 m to 0.441 m0.345 m0.302 m
0.182 m0.296 m to 0.441 m0.346 m0.305 m
0.180 m0.295 m to 0.440 m0.347 m0.302 m
0.177 m0.294 m to 0.439 m0.347 m0.303 m
0.170 m0.293 m to 0.439 m0.346 m0.295 m
0.153 m0.292 m to 0.436 m0.345 m0.291 m
0.148 m0.292 m to 0.432 m0.345 m0.284 m
0.139 m0.291 m to 0.428 m0.345 m0.270 m
0.130 m0.291 m to 0.428 m0.344 m0.258 m
0.130 m0.291 m to 0.420 m0.345 m0.245 m
0.127 m0.290 m to 0.414 m0.345 m0.231 m
0.131 m0.287 m to 0.413 m0.345 m0.221 m
0.124 m0.287 m to 0.411 m0.346 m0.212 m
0.115 m0.287 m to 0.410 m0.346 m0.206 m
0.113 m0.288 m to 0.410 m0.344 m0.204 m
0.113 m0.289 m to 0.409 m0.342 m0.201 m
0.111 m0.289 m to 0.408 m0.341 m0.192 m
0.107 m0.290 m to 0.408 m0.340 m0.188 m
0.107 m0.290 m to 0.408 m0.340 m0.187 m
0.108 m0.290 m to 0.409 m0.340 m0.186 m
0.107 m0.290 m to 0.409 m0.340 m0.530 m
0.105 m0.290 m to 0.409 m0.340 m0.561 m
0.106 m0.290 m to 0.409 m0.339 m0.395 m
0.105 m0.289 m to 0.411 m0.336 m0.334 m
0.110 m0.289 m to 0.410 m0.335 m0.307 m
0.112 m0.289 m to 0.410 m0.334 m0.280 m
0.114 m0.289 m to 0.411 m0.334 m0.265 m
0.124 m0.289 m to 0.413 m0.334 m0.251 m
0.143 m0.289 m to 0.415 m0.334 m0.255 m
0.157 m0.290 m to 0.422 m0.335 m0.288 m
0.164 m0.290 m to 0.422 m0.334 m0.310 m
0.168 m0.290 m to 0.422 m0.335 m0.310 m
0.174 m0.289 m to 0.423 m0.334 m0.305 m
0.187 m0.288 m to 0.423 m0.333 m0.354 m
0.184 m0.288 m to 0.422 m0.332 m0.383 m
0.195 m0.287 m to 0.422 m0.331 m0.503 m
0.200 m0.287 m to 0.422 m0.330 m0.476 m
0.200 m0.285 m to 0.421 m0.330 m0.395 m
0.196 m0.285 m to 0.425 m0.330 m0.353 m
0.195 m0.284 m to 0.429 m0.330 m0.330 m
0.190 m0.283 m to 0.430 m0.329 m0.312 m
0.179 m0.282 m to 0.430 m0.328 m0.318 m
0.175 m0.282 m to 0.430 m0.328 m0.319 m
0.172 m0.281 m to 0.429 m0.327 m0.326 m
0.164 m0.281 m to 0.429 m0.327 m0.342 m
0.160 m0.281 m to 0.428 m0.327 m0.337 m
0.167 m0.282 m to 0.431 m0.327 m0.334 m
0.166 m0.282 m to 0.433 m0.326 m0.332 m
0.158 m0.282 m to 0.437 m0.326 m0.340 m
0.155 m0.280 m to 0.443 m0.326 m0.326 m
0.151 m0.280 m to 0.444 m0.325 m0.316 m
0.145 m0.280 m to 0.454 m0.326 m0.312 m
0.144 m0.279 m to 0.444 m0.326 m0.310 m
0.140 m0.279 m to 0.448 m0.326 m0.337 m
0.135 m0.280 m to 0.454 m0.327 m0.345 m
0.135 m0.281 m to 0.455 m0.329 m0.344 m
0.132 m0.282 m to 0.470 m0.330 m0.335 m
0.130 m0.282 m to 0.477 m0.331 m0.322 m
0.127 m0.282 m to 0.479 m0.332 m0.318 m
0.145 m0.280 m to 0.483 m0.332 m0.313 m
0.142 m0.279 m to 0.494 m0.333 m0.310 m
0.135 m0.277 m to 0.499 m0.334 m0.306 m
0.142 m0.275 m to 0.512 m0.336 m0.301 m
0.156 m0.274 m to 0.519 m0.338 m0.300 m
0.205 m0.272 m to 0.528 m0.340 m0.306 m
0.180 m0.272 m to 0.549 m0.340 m0.310 m
0.165 m0.272 m to 0.567 m0.342 m0.309 m
0.169 m0.252 m to 0.566 m0.342 m0.310 m
0.169 m0.245 m to 0.575 m0.346 m0.317 m
0.161 m0.237 m to 0.576 m0.349 m0.315 m
0.155 m0.190 m to 0.581 m0.352 m0.307 m
0.155 m0.176 m to 0.587 m0.353 m0.313 m
0.177 m0.154 m to 0.590 m0.355 m0.307 m
0.203 m0.017 m to 0.607 m0.353 m0.298 m
0.199 m-0.052 m to 0.609 m0.356 m0.298 m
0.183 m-0.058 m to 0.609 m0.357 m0.300 m
0.207 m-0.069 m to 0.617 m0.360 m0.310 m
0.220 m-0.095 m to 0.646 m0.360 m0.311 m
0.226 m-0.124 m to 0.674 m0.361 m0.302 m
0.230 m-0.149 m to 0.709 m0.363 m0.300 m
0.232 m-0.192 m to 0.709 m0.363 m0.323 m
0.217 m-0.203 m to 0.684 m0.363 m0.373 m
0.217 m-0.206 m to 0.723 m0.364 m0.420 m
0.233 m-0.214 m to 0.779 m0.364 m0.387 m
0.257 m-0.224 m to 0.801 m0.368 m0.395 m
0.314 m-0.224 m to 0.814 m0.371 m0.403 m
0.326 m-0.226 m to 0.831 m0.372 m0.397 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 2 m 4 m Highest 4.098 m Lowest -0.818 m 0.326 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 Canal de Nantes à Brest at Saint-Gravé (downstream) 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
0.397 m-0.226 m to 0.831 m0.372 m
0.378 m-0.224 m to 0.839 m0.377 m
0.355 m-0.207 m to 0.847 m0.378 m
0.343 m-0.103 m to 0.856 m0.382 m
0.340 m-0.081 m to 0.858 m0.382 m
0.347 m-0.079 m to 0.864 m0.388 m
0.359 m-0.075 m to 0.868 m0.394 m
0.471 m-0.066 m to 0.877 m0.394 m
0.487 m-0.058 m to 0.883 m0.402 m
0.477 m-0.079 m to 0.884 m0.407 m
0.436 m-0.067 m to 0.891 m0.408 m
0.408 m-0.061 m to 0.918 m0.410 m
0.391 m-0.006 m to 0.969 m0.415 m
0.426 m0.143 m to 0.994 m0.427 m
0.402 m0.150 m to 1.064 m0.435 m
0.435 m0.154 m to 1.081 m0.440 m
0.464 m0.188 m to 1.132 m0.448 m
0.758 m0.193 m to 1.147 m0.450 m
0.638 m0.194 m to 1.152 m0.454 m
0.502 m0.201 m to 1.166 m0.460 m
0.458 m0.210 m to 1.159 m0.464 m
0.480 m0.215 m to 1.165 m0.469 m
0.499 m0.224 m to 1.170 m0.481 m
0.508 m0.233 m to 1.205 m0.486 m
0.495 m0.237 m to 1.297 m0.495 m
0.468 m0.248 m to 1.326 m0.504 m
0.447 m0.294 m to 1.325 m0.510 m
0.519 m0.310 m to 1.331 m0.518 m
0.471 m0.314 m to 1.331 m0.523 m
0.916 m0.317 m to 1.324 m0.529 m
1.035 m0.318 m to 1.308 m0.529 m
0.820 m0.318 m to 1.341 m0.532 m
0.666 m0.322 m to 1.368 m0.534 m
0.634 m0.328 m to 1.387 m0.547 m
0.584 m0.329 m to 1.488 m0.561 m
0.674 m0.330 m to 1.613 m0.569 m
0.800 m0.331 m to 1.650 m0.572 m
0.691 m0.335 m to 1.694 m0.578 m
0.916 m0.331 m to 1.732 m0.585 m
0.905 m0.333 m to 1.809 m0.604 m
0.721 m0.334 m to 1.822 m0.619 m
0.735 m0.333 m to 1.842 m0.624 m
1.247 m0.333 m to 1.871 m0.631 m
1.274 m0.335 m to 1.893 m0.642 m
1.923 m0.337 m to 1.901 m0.649 m
1.949 m0.339 m to 1.906 m0.671 m
1.871 m0.349 m to 1.906 m0.685 m
1.521 m0.351 m to 1.906 m0.701 m
1.355 m0.352 m to 1.906 m0.724 m
1.180 m0.358 m to 1.906 m0.736 m
1.064 m0.374 m to 1.908 m0.762 m
0.981 m0.379 m to 1.908 m0.794 m
0.982 m0.383 m to 1.904 m0.806 m
1.032 m0.395 m to 1.929 m0.829 m
1.211 m0.403 m to 1.968 m0.853 m
1.666 m0.410 m to 2.011 m0.868 m
1.599 m0.413 m to 2.107 m0.885 m
1.301 m0.419 m to 2.182 m0.897 m
1.319 m0.434 m to 2.270 m0.898 m
1.235 m0.440 m to 2.463 m0.900 m
1.079 m0.441 m to 2.546 m0.913 m
0.984 m0.443 m to 2.658 m0.918 m
0.926 m0.444 m to 2.740 m0.926 m
0.897 m0.444 m to 2.803 m0.935 m
0.853 m0.445 m to 2.819 m0.934 m
0.831 m0.448 m to 2.819 m0.937 m
0.810 m0.456 m to 2.819 m0.942 m
0.773 m0.460 m to 2.814 m0.949 m
0.747 m0.468 m to 2.797 m0.961 m
0.724 m0.475 m to 2.797 m0.967 m
0.721 m0.476 m to 2.819 m1.002 m
0.701 m0.479 m to 2.823 m1.054 m
0.694 m0.484 m to 2.828 m1.086 m
0.753 m0.487 m to 2.819 m1.109 m
0.744 m0.490 m to 2.825 m1.138 m
1.025 m0.493 m to 2.849 m1.159 m
1.200 m0.499 m to 2.823 m1.155 m
1.155 m0.500 m to 2.813 m1.143 m
0.985 m0.500 m to 2.813 m1.146 m
2.094 m0.500 m to 2.805 m1.164 m
2.229 m0.500 m to 2.800 m1.200 m
2.229 m0.499 m to 2.794 m1.214 m
2.312 m0.495 m to 2.802 m1.240 m
2.831 m0.495 m to 2.802 m1.263 m
2.979 m0.493 m to 2.797 m1.271 m
2.966 m0.492 m to 2.762 m1.276 m
2.580 m0.491 m to 2.748 m1.276 m
2.188 m0.490 m to 2.738 m1.270 m
3.086 m0.489 m to 2.738 m1.276 m
3.431 m0.489 m to 2.759 m1.275 m
3.529 m0.489 m to 2.749 m1.275 m
3.470 m0.490 m to 2.745 m1.276 m
3.562 m0.493 m to 2.785 m1.279 m
3.567 m0.495 m to 2.787 m1.295 m
3.524 m0.496 m to 2.791 m1.306 m
3.706 m0.497 m to 2.798 m1.285 m
3.677 m0.506 m to 2.821 m1.277 m
3.354 m0.520 m to 2.816 m1.237 m
3.162 m0.530 m to 2.802 m1.235 m
3.137 m0.533 m to 2.816 m1.227 m
3.072 m0.534 m to 2.838 m1.217 m
2.919 m0.536 m to 2.838 m1.223 m
2.913 m0.540 m to 2.836 m1.224 m
3.229 m0.542 m to 2.813 m1.227 m
3.322 m0.545 m to 2.801 m1.238 m
3.330 m0.547 m to 2.781 m1.256 m
3.460 m0.547 m to 2.801 m1.287 m
3.482 m0.550 m to 2.811 m1.263 m
3.335 m0.558 m to 2.802 m1.232 m
3.301 m0.568 m to 2.798 m1.226 m
3.468 m0.568 m to 2.770 m1.202 m
3.555 m0.568 m to 2.764 m1.196 m
3.513 m0.565 m to 2.760 m1.176 m
3.298 m0.559 m to 2.737 m1.155 m
3.282 m0.568 m to 2.709 m1.130 m
3.277 m0.582 m to 2.655 m1.100 m
3.194 m0.589 m to 2.594 m1.085 m
3.484 m0.589 m to 2.558 m1.080 m
3.543 m0.591 m to 2.528 m1.073 m
3.422 m0.591 m to 2.504 m1.061 m
3.181 m0.590 m to 2.483 m1.053 m
2.927 m0.590 m to 2.473 m1.046 m
2.718 m0.588 m to 2.456 m1.045 m
2.528 m0.588 m to 2.450 m1.045 m
2.333 m0.589 m to 2.405 m1.045 m
2.134 m0.591 m to 2.378 m1.042 m
2.064 m0.592 m to 2.359 m1.039 m
1.914 m0.597 m to 2.335 m1.030 m
1.726 m0.597 m to 2.325 m1.028 m
1.509 m0.597 m to 2.313 m1.031 m
1.380 m0.595 m to 2.279 m1.031 m
1.282 m0.590 m to 2.226 m1.028 m
1.226 m0.590 m to 2.134 m1.016 m
1.218 m0.590 m to 2.089 m1.003 m
1.187 m0.583 m to 2.044 m0.993 m
1.157 m0.581 m to 2.026 m0.982 m
1.155 m0.581 m to 1.988 m0.979 m
1.128 m0.580 m to 1.947 m0.956 m
1.109 m0.577 m to 1.900 m0.922 m
1.279 m0.569 m to 1.869 m0.910 m
1.337 m0.560 m to 1.847 m0.905 m
1.286 m0.546 m to 1.845 m0.898 m
1.098 m0.542 m to 1.835 m0.894 m
1.001 m0.538 m to 1.848 m0.898 m
0.966 m0.536 m to 1.846 m0.891 m
0.910 m0.529 m to 1.845 m0.890 m
0.863 m0.524 m to 1.845 m0.885 m
0.835 m0.521 m to 1.849 m0.883 m
0.811 m0.519 m to 1.849 m0.877 m
0.806 m0.515 m to 1.866 m0.871 m
0.762 m0.514 m to 1.932 m0.868 m
0.734 m0.512 m to 1.941 m0.861 m
0.685 m0.511 m to 1.944 m0.862 m
0.690 m0.509 m to 1.990 m0.868 m
0.691 m0.508 m to 2.029 m0.880 m
0.668 m0.503 m to 2.032 m0.884 m
0.975 m0.502 m to 2.032 m0.888 m
0.638 m0.500 m to 2.033 m0.883 m
0.630 m0.497 m to 2.021 m0.871 m
0.606 m0.495 m to 1.990 m0.862 m
0.603 m0.493 m to 1.946 m0.860 m
0.599 m0.492 m to 1.868 m0.851 m
0.590 m0.490 m to 1.833 m0.838 m
0.571 m0.491 m to 1.795 m0.829 m
0.549 m0.477 m to 1.713 m0.817 m
0.545 m0.475 m to 1.632 m0.801 m
0.525 m0.474 m to 1.558 m0.790 m
0.502 m0.471 m to 1.516 m0.781 m
0.485 m0.468 m to 1.480 m0.772 m
0.486 m0.467 m to 1.455 m0.755 m
0.492 m0.460 m to 1.396 m0.743 m
0.824 m0.460 m to 1.369 m0.727 m
0.559 m0.456 m to 1.349 m0.716 m
0.560 m0.451 m to 1.335 m0.700 m
0.544 m0.451 m to 1.309 m0.695 m
0.526 m0.450 m to 1.268 m0.688 m
0.505 m0.450 m to 1.254 m0.680 m
0.498 m0.450 m to 1.250 m0.672 m
0.482 m0.451 m to 1.235 m0.663 m
0.469 m0.452 m to 1.233 m0.655 m
0.470 m0.459 m to 1.232 m0.650 m
0.469 m0.455 m to 1.235 m0.647 m
0.463 m0.459 m to 1.235 m0.647 m
0.460 m0.458 m to 1.235 m0.643 m
0.456 m0.455 m to 1.235 m0.640 m
0.446 m0.454 m to 1.243 m0.635 m
0.455 m0.454 m to 1.250 m0.633 m
0.452 m0.454 m to 1.248 m0.629 m
0.447 m0.453 m to 1.233 m0.623 m
0.489 m0.452 m to 1.179 m0.611 m
0.641 m0.451 m to 1.148 m0.609 m
0.577 m0.450 m to 1.132 m0.599 m
0.573 m0.447 m to 1.114 m0.589 m
0.875 m0.445 m to 1.102 m0.580 m
0.833 m0.444 m to 1.074 m0.577 m
0.622 m0.440 m to 1.031 m0.570 m
0.588 m0.437 m to 1.002 m0.560 m
0.654 m0.435 m to 0.988 m0.552 m
0.983 m0.432 m to 0.976 m0.546 m
0.753 m0.428 m to 0.961 m0.540 m
0.599 m0.426 m to 0.956 m0.536 m
0.520 m0.423 m to 0.944 m0.533 m
0.546 m0.420 m to 0.934 m0.529 m
0.537 m0.419 m to 0.924 m0.527 m
0.517 m0.417 m to 0.905 m0.526 m
0.495 m0.413 m to 0.894 m0.523 m
0.549 m0.409 m to 0.885 m0.522 m
0.576 m0.404 m to 0.885 m0.519 m
0.560 m0.404 m to 0.886 m0.515 m
0.500 m0.400 m to 0.890 m0.510 m
0.457 m0.398 m to 0.890 m0.503 m
0.439 m0.396 m to 0.901 m0.501 m
0.425 m0.393 m to 0.944 m0.501 m
0.410 m0.391 m to 0.939 m0.496 m
0.398 m0.388 m to 0.917 m0.490 m
0.389 m0.386 m to 0.903 m0.488 m
0.382 m0.385 m to 0.896 m0.487 m
0.373 m0.383 m to 0.888 m0.485 m
0.376 m0.381 m to 0.875 m0.481 m
0.372 m0.380 m to 0.854 m0.480 m
0.399 m0.379 m to 0.813 m0.478 m
0.415 m0.378 m to 0.805 m0.477 m
0.411 m0.376 m to 0.791 m0.476 m
0.400 m0.375 m to 0.784 m0.474 m
0.405 m0.374 m to 0.784 m0.471 m
0.401 m0.372 m to 0.763 m0.470 m
0.396 m0.370 m to 0.745 m0.469 m
0.397 m0.367 m to 0.729 m0.468 m
0.398 m0.366 m to 0.725 m0.469 m
0.389 m0.361 m to 0.705 m0.469 m
0.376 m0.360 m to 0.694 m0.468 m
0.367 m0.355 m to 0.675 m0.468 m
0.363 m0.352 m to 0.666 m0.467 m
0.355 m0.352 m to 0.660 m0.463 m
0.349 m0.351 m to 0.648 m0.460 m
0.344 m0.349 m to 0.640 m0.458 m
0.336 m0.345 m to 0.630 m0.456 m
0.340 m0.344 m to 0.618 m0.452 m
0.334 m0.340 m to 0.608 m0.446 m
0.335 m0.338 m to 0.604 m0.441 m
0.331 m0.335 m to 0.589 m0.436 m
0.331 m0.333 m to 0.583 m0.431 m
0.312 m0.332 m to 0.573 m0.428 m
0.306 m0.330 m to 0.568 m0.426 m
0.303 m0.326 m to 0.562 m0.422 m
0.300 m0.325 m to 0.552 m0.421 m
0.303 m0.323 m to 0.540 m0.420 m
0.295 m0.320 m to 0.530 m0.418 m
0.269 m0.318 m to 0.523 m0.415 m
0.267 m0.316 m to 0.521 m0.411 m
0.278 m0.316 m to 0.520 m0.410 m
0.279 m0.315 m to 0.521 m0.407 m
0.283 m0.314 m to 0.521 m0.404 m
0.280 m0.314 m to 0.513 m0.402 m
0.277 m0.312 m to 0.510 m0.402 m
0.265 m0.311 m to 0.507 m0.399 m
0.252 m0.309 m to 0.504 m0.397 m
0.236 m0.306 m to 0.498 m0.393 m
0.232 m0.303 m to 0.497 m0.390 m
0.227 m0.300 m to 0.495 m0.385 m
0.227 m0.297 m to 0.491 m0.381 m
0.221 m0.296 m to 0.491 m0.380 m
0.215 m0.295 m to 0.485 m0.377 m
0.221 m0.294 m to 0.477 m0.374 m
0.218 m0.294 m to 0.473 m0.370 m
0.316 m0.294 m to 0.470 m0.369 m
0.315 m0.293 m to 0.466 m0.367 m
0.292 m0.293 m to 0.464 m0.363 m
0.282 m0.292 m to 0.460 m0.361 m
0.275 m0.292 m to 0.459 m0.360 m
0.265 m0.292 m to 0.455 m0.358 m
0.261 m0.293 m to 0.449 m0.356 m
0.249 m0.300 m to 0.446 m0.352 m
0.237 m0.300 m to 0.444 m0.350 m
0.226 m0.300 m to 0.442 m0.349 m
0.221 m0.301 m to 0.441 m0.348 m
0.216 m0.300 m to 0.441 m0.346 m
0.207 m0.300 m to 0.441 m0.345 m
0.192 m0.298 m to 0.440 m0.345 m
0.198 m0.297 m to 0.441 m0.345 m
0.182 m0.296 m to 0.441 m0.346 m
0.180 m0.295 m to 0.440 m0.347 m
0.177 m0.294 m to 0.439 m0.347 m
0.170 m0.293 m to 0.439 m0.346 m
0.153 m0.292 m to 0.436 m0.345 m
0.148 m0.292 m to 0.432 m0.345 m
0.139 m0.291 m to 0.428 m0.345 m
0.130 m0.291 m to 0.428 m0.344 m
0.130 m0.291 m to 0.420 m0.345 m
0.127 m0.290 m to 0.414 m0.345 m
0.131 m0.287 m to 0.413 m0.345 m
0.124 m0.287 m to 0.411 m0.346 m
0.115 m0.287 m to 0.410 m0.346 m
0.113 m0.288 m to 0.410 m0.344 m
0.113 m0.289 m to 0.409 m0.342 m
0.111 m0.289 m to 0.408 m0.341 m
0.107 m0.290 m to 0.408 m0.340 m
0.107 m0.290 m to 0.408 m0.340 m
0.108 m0.290 m to 0.409 m0.340 m
0.107 m0.290 m to 0.409 m0.340 m
0.105 m0.290 m to 0.409 m0.340 m
0.106 m0.290 m to 0.409 m0.339 m
0.105 m0.289 m to 0.411 m0.336 m
0.110 m0.289 m to 0.410 m0.335 m
0.112 m0.289 m to 0.410 m0.334 m
0.114 m0.289 m to 0.411 m0.334 m
0.124 m0.289 m to 0.413 m0.334 m
0.143 m0.289 m to 0.415 m0.334 m
0.157 m0.290 m to 0.422 m0.335 m
0.164 m0.290 m to 0.422 m0.334 m
0.168 m0.290 m to 0.422 m0.335 m
0.174 m0.289 m to 0.423 m0.334 m
0.187 m0.288 m to 0.423 m0.333 m
0.184 m0.288 m to 0.422 m0.332 m
0.195 m0.287 m to 0.422 m0.331 m
0.200 m0.287 m to 0.422 m0.330 m
0.200 m0.285 m to 0.421 m0.330 m
0.196 m0.285 m to 0.425 m0.330 m
0.195 m0.284 m to 0.429 m0.330 m
0.190 m0.283 m to 0.430 m0.329 m
0.179 m0.282 m to 0.430 m0.328 m
0.175 m0.282 m to 0.430 m0.328 m
0.172 m0.281 m to 0.429 m0.327 m
0.164 m0.281 m to 0.429 m0.327 m
0.160 m0.281 m to 0.428 m0.327 m
0.167 m0.282 m to 0.431 m0.327 m
0.166 m0.282 m to 0.433 m0.326 m
0.158 m0.282 m to 0.437 m0.326 m
0.155 m0.280 m to 0.443 m0.326 m
0.151 m0.280 m to 0.444 m0.325 m
0.145 m0.280 m to 0.454 m0.326 m
0.144 m0.279 m to 0.444 m0.326 m
0.140 m0.279 m to 0.448 m0.326 m
0.135 m0.280 m to 0.454 m0.327 m
0.135 m0.281 m to 0.455 m0.329 m
0.132 m0.282 m to 0.470 m0.330 m
0.130 m0.282 m to 0.477 m0.331 m
0.127 m0.282 m to 0.479 m0.332 m
0.145 m0.280 m to 0.483 m0.332 m
0.142 m0.279 m to 0.494 m0.333 m
0.135 m0.277 m to 0.499 m0.334 m
0.142 m0.275 m to 0.512 m0.336 m
0.156 m0.274 m to 0.519 m0.338 m
0.205 m0.272 m to 0.528 m0.340 m
0.180 m0.272 m to 0.549 m0.340 m
0.165 m0.272 m to 0.567 m0.342 m
0.169 m0.252 m to 0.566 m0.342 m
0.169 m0.245 m to 0.575 m0.346 m
0.161 m0.237 m to 0.576 m0.349 m
0.155 m0.190 m to 0.581 m0.352 m
0.155 m0.176 m to 0.587 m0.353 m
0.177 m0.154 m to 0.590 m0.355 m
0.203 m0.017 m to 0.607 m0.353 m
0.199 m-0.052 m to 0.609 m0.356 m
0.183 m-0.058 m to 0.609 m0.357 m
0.207 m-0.069 m to 0.617 m0.360 m
0.220 m-0.095 m to 0.646 m0.360 m
0.226 m-0.124 m to 0.674 m0.361 m
0.230 m-0.149 m to 0.709 m0.363 m
0.232 m-0.192 m to 0.709 m0.363 m
0.217 m-0.203 m to 0.684 m0.363 m
0.217 m-0.206 m to 0.723 m0.364 m
0.233 m-0.214 m to 0.779 m0.364 m
0.257 m-0.224 m to 0.801 m0.368 m
0.314 m-0.224 m to 0.814 m0.371 m
0.326 m-0.226 m to 0.831 m0.372 m

The last 10 years, weekly averages

The last 10 years, weekly averages 0 m 2 m 4 m Highest 4.098 m Lowest -0.818 m 0.257 m
  • Level
  • Our record
Weekly averages of the Canal de Nantes à Brest at Saint-Gravé (downstream) 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)
0.316 m
0.230 m
0.211 m
0.213 m
0.418 m
0.221 m
0.194 m
0.211 m
0.242 m
0.216 m
0.208 m
0.267 m
0.297 m
0.272 m
0.728 m
1.080 m
0.616 m
0.486 m
0.761 m
0.779 m
0.623 m
0.577 m
0.480 m
0.423 m
0.366 m
0.359 m
0.395 m
0.480 m
0.446 m
0.473 m
0.398 m
0.510 m
0.423 m
0.346 m
0.313 m
0.323 m
0.303 m
0.289 m
0.299 m
0.318 m
0.298 m
0.313 m
0.294 m
0.282 m
0.269 m
0.302 m
0.313 m
0.308 m
0.313 m
0.301 m
0.296 m
0.318 m
0.316 m
0.372 m
0.344 m
0.321 m
0.341 m
0.356 m
0.381 m
1.013 m
0.516 m
0.913 m
1.706 m
0.953 m
1.069 m
1.115 m
1.074 m
1.049 m
1.340 m
1.123 m
0.895 m
1.104 m
1.430 m
1.090 m
1.441 m
1.413 m
1.190 m
0.864 m
0.658 m
0.638 m
0.531 m
0.516 m
0.455 m
0.515 m
0.916 m
0.787 m
0.500 m
0.403 m
0.432 m
0.350 m
0.324 m
0.321 m
0.340 m
0.310 m
0.309 m
0.298 m
0.300 m
0.287 m
0.280 m
0.283 m
0.287 m
0.301 m
0.328 m
0.311 m
0.292 m
0.345 m
0.396 m
0.392 m
0.369 m
0.580 m
0.824 m
0.637 m
1.128 m
0.850 m
0.620 m
0.531 m
0.490 m
0.512 m
0.947 m
1.375 m
1.868 m
0.939 m
0.757 m
1.023 m
0.769 m
0.640 m
0.536 m
0.634 m
0.606 m
0.480 m
0.504 m
0.477 m
0.660 m
no value
0.450 m
0.402 m
0.551 m
0.757 m
0.571 m
0.492 m
0.393 m
0.350 m
0.334 m
0.323 m
0.324 m
0.329 m
0.333 m
0.354 m
0.306 m
0.304 m
0.311 m
0.306 m
0.347 m
0.346 m
0.356 m
0.670 m
0.509 m
1.375 m
2.523 m
2.155 m
2.012 m
2.372 m
1.975 m
2.043 m
3.059 m
2.874 m
1.594 m
1.391 m
2.761 m
1.888 m
2.239 m
2.423 m
1.933 m
2.373 m
1.887 m
2.649 m
2.011 m
1.236 m
0.911 m
0.712 m
0.607 m
0.557 m
0.741 m
0.717 m
0.702 m
0.548 m
0.394 m
0.392 m
0.399 m
0.688 m
0.820 m
0.529 m
0.466 m
0.408 m
0.376 m
0.351 m
0.346 m
0.322 m
0.341 m
0.407 m
0.349 m
0.341 m
0.327 m
0.322 m
0.340 m
0.840 m
0.882 m
0.519 m
0.948 m
1.103 m
0.954 m
0.847 m
0.984 m
0.726 m
0.763 m
1.285 m
1.713 m
2.906 m
2.803 m
1.575 m
1.078 m
1.728 m
1.880 m
2.776 m
1.730 m
1.406 m
1.050 m
0.827 m
0.819 m
0.709 m
0.596 m
0.591 m
0.707 m
0.626 m
0.510 m
0.467 m
0.448 m
0.473 m
0.478 m
0.573 m
0.430 m
0.396 m
0.412 m
0.733 m
0.621 m
0.694 m
0.502 m
0.418 m
0.463 m
0.442 m
0.402 m
0.362 m
0.356 m
0.353 m
0.369 m
0.419 m
0.391 m
0.552 m
0.632 m
0.446 m
0.500 m
0.519 m
0.738 m
0.480 m
0.427 m
0.460 m
0.580 m
0.852 m
0.673 m
0.592 m
0.916 m
1.282 m
1.269 m
0.880 m
0.725 m
0.633 m
0.594 m
1.024 m
0.706 m
0.709 m
0.728 m
0.644 m
0.537 m
0.507 m
0.735 m
0.600 m
0.505 m
0.500 m
0.440 m
0.404 m
0.385 m
0.400 m
0.383 m
0.371 m
0.339 m
0.391 m
0.338 m
0.317 m
0.298 m
0.287 m
0.263 m
0.263 m
0.234 m
0.247 m
0.287 m
0.316 m
0.324 m
0.308 m
0.296 m
0.308 m
0.307 m
0.309 m
0.344 m
0.357 m
0.378 m
0.450 m
0.586 m
0.620 m
0.960 m
0.536 m
0.516 m
2.775 m
2.471 m
2.749 m
2.239 m
2.671 m
1.496 m
1.027 m
0.807 m
0.693 m
0.713 m
0.585 m
0.990 m
1.077 m
1.559 m
1.967 m
1.210 m
1.175 m
0.910 m
0.991 m
0.792 m
0.708 m
0.524 m
0.469 m
0.436 m
0.412 m
0.396 m
0.378 m
0.347 m
0.369 m
0.357 m
0.351 m
0.385 m
0.433 m
0.360 m
0.333 m
0.314 m
0.328 m
0.314 m
0.301 m
0.381 m
0.335 m
0.336 m
0.289 m
0.340 m
0.515 m
1.399 m
1.298 m
1.341 m
1.020 m
0.855 m
1.683 m
1.506 m
0.998 m
0.986 m
2.666 m
1.510 m
2.364 m
1.894 m
1.173 m
1.884 m
1.473 m
1.579 m
2.326 m
2.076 m
1.419 m
1.138 m
1.334 m
2.178 m
1.644 m
0.997 m
0.821 m
0.824 m
0.630 m
0.711 m
0.770 m
0.528 m
0.485 m
0.457 m
0.490 m
0.416 m
0.388 m
0.436 m
0.387 m
0.365 m
0.331 m
0.320 m
0.302 m
0.316 m
0.337 m
0.396 m
0.353 m
0.309 m
0.349 m
0.344 m
0.481 m
0.438 m
1.361 m
0.675 m
0.517 m
0.397 m
0.634 m
0.952 m
0.768 m
0.901 m
0.884 m
0.792 m
1.360 m
3.069 m
2.066 m
2.173 m
3.515 m
2.265 m
1.489 m
1.216 m
1.886 m
1.141 m
1.004 m
0.786 m
0.764 m
0.672 m
0.581 m
0.601 m
0.599 m
0.500 m
0.451 m
0.550 m
0.402 m
0.390 m
0.391 m
0.396 m
0.371 m
0.317 m
0.293 m
0.268 m
0.281 m
0.348 m
0.305 m
0.268 m
0.203 m
0.357 m
0.280 m
0.396 m
0.326 m
0.324 m
0.331 m
0.306 m
0.310 m
0.306 m
0.393 m
0.386 m
0.425 m
0.543 m
0.546 m
0.745 m
0.927 m
1.552 m
1.253 m
1.042 m
0.758 m
0.937 m
2.520 m
3.121 m
3.447 m
3.178 m
3.422 m
3.340 m
2.374 m
1.361 m
1.207 m
0.926 m
0.719 m
0.663 m
0.523 m
0.573 m
0.473 m
0.484 m
0.675 m
0.636 m
0.511 m
0.393 m
0.400 m
0.384 m
0.342 m
0.312 m
0.279 m
0.245 m
0.257 m
0.256 m
0.199 m
0.150 m
0.119 m
0.106 m
0.132 m
0.187 m
0.182 m
0.157 m
0.135 m
0.158 m
0.164 m
0.210 m
0.257 m

The whole record since 1974, monthly averages

The whole record since 1974, monthly averages 0 m 2 m Lowest -0.818 m 0.204 m
  • Level
  • Our record
Monthly averages of the Canal de Nantes à Brest at Saint-Gravé (downstream) from 13 March 1974 to 25 October 2026.
Table: The whole record since 1974, monthly averages
Month startingMonthly average of daily highs (m)
1.765 m
0.812 m
0.692 m
0.462 m
0.419 m
0.358 m
0.402 m
0.519 m
1.443 m
1.086 m
1.364 m
1.329 m
1.029 m
1.006 m
0.732 m
0.497 m
0.410 m
0.358 m
0.395 m
0.406 m
0.463 m
0.495 m
0.482 m
0.608 m
0.561 m
0.436 m
0.395 m
0.343 m
0.292 m
0.260 m
no value
0.516 m
0.763 m
1.639 m
1.513 m
2.494 m
1.823 m
1.091 m
0.757 m
0.549 m
0.453 m
0.422 m
0.263 m
0.401 m
0.556 m
0.996 m
1.495 m
2.369 m
2.047 m
1.215 m
0.860 m
0.490 m
0.417 m
0.430 m
0.340 m
0.367 m
0.373 m
0.599 m
1.336 m
2.560 m
1.792 m
1.549 m
0.754 m
0.459 m
0.261 m
0.326 m
no value
no value
no value
1.054 m
1.455 m
1.614 m
1.266 m
0.964 m
0.472 m
0.657 m
no value
no value
no value
no value
0.429 m
0.758 m
0.868 m
0.693 m
1.795 m
1.403 m
1.665 m
0.933 m
0.485 m
0.449 m
0.549 m
0.623 m
0.461 m
1.217 m
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
1.501 m
1.174 m
0.900 m
1.172 m
1.827 m
0.656 m
0.426 m
0.405 m
0.455 m
0.417 m
0.443 m
0.781 m
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
1.537 m
1.389 m
1.121 m
1.115 m
0.573 m
0.477 m
0.400 m
0.369 m
0.342 m
0.251 m
0.259 m
0.519 m
1.176 m
1.147 m
1.375 m
1.364 m
0.996 m
0.667 m
0.574 m
0.424 m
0.457 m
no value
no value
1.110 m
0.938 m
no value
0.799 m
1.035 m
0.532 m
0.534 m
0.444 m
0.356 m
0.328 m
0.758 m
0.629 m
0.921 m
2.376 m
2.614 m
1.060 m
0.945 m
0.706 m
0.531 m
0.423 m
0.363 m
0.400 m
-0.012 m
0.257 m
0.452 m
0.477 m
0.556 m
0.697 m
0.680 m
0.471 m
0.356 m
0.335 m
0.279 m
0.263 m
0.299 m
0.349 m
0.624 m
0.820 m
2.572 m
0.775 m
0.584 m
0.477 m
0.434 m
0.388 m
0.305 m
0.282 m
0.297 m
0.338 m
0.456 m
1.272 m
0.696 m
1.034 m
0.672 m
0.498 m
0.462 m
0.387 m
0.310 m
0.321 m
0.346 m
0.604 m
0.518 m
0.502 m
0.662 m
0.563 m
0.571 m
0.447 m
0.419 m
0.415 m
0.333 m
0.460 m
0.415 m
0.848 m
1.745 m
1.679 m
0.754 m
0.553 m
0.712 m
0.532 m
0.856 m
0.465 m
0.365 m
0.508 m
1.015 m
0.600 m
1.125 m
2.370 m
1.953 m
0.999 m
1.044 m
0.912 m
0.644 m
0.440 m
0.352 m
0.443 m
0.479 m
0.741 m
1.186 m
2.489 m
2.646 m
1.631 m
0.671 m
0.464 m
0.412 m
0.371 m
0.344 m
0.375 m
-0.043 m
0.431 m
0.842 m
1.109 m
1.259 m
0.991 m
0.665 m
0.621 m
0.431 m
0.345 m
0.327 m
0.294 m
0.350 m
0.396 m
0.552 m
0.528 m
0.971 m
0.700 m
0.498 m
0.469 m
0.402 m
0.378 m
0.363 m
0.316 m
no value
-0.263 m
0.628 m
1.848 m
0.694 m
0.563 m
1.522 m
0.867 m
0.512 m
0.411 m
0.333 m
0.358 m
0.472 m
0.367 m
1.134 m
2.101 m
1.189 m
0.904 m
0.993 m
0.799 m
0.501 m
0.365 m
0.397 m
0.457 m
0.695 m
0.705 m
1.713 m
1.544 m
0.896 m
0.888 m
1.244 m
1.103 m
0.549 m
0.500 m
0.355 m
0.333 m
0.497 m
1.890 m
2.634 m
3.134 m
2.143 m
2.168 m
1.527 m
1.150 m
0.502 m
0.415 m
0.363 m
0.327 m
0.173 m
-0.250 m
-0.128 m
0.335 m
1.174 m
1.116 m
0.631 m
0.573 m
0.451 m
0.343 m
0.345 m
0.323 m
-0.275 m
0.934 m
1.449 m
2.065 m
1.423 m
0.948 m
0.142 m
0.459 m
0.359 m
0.315 m
0.294 m
-0.007 m
-0.679 m
-0.226 m
0.473 m
2.029 m
1.057 m
1.169 m
0.724 m
0.617 m
0.371 m
0.438 m
0.406 m
0.357 m
0.470 m
0.584 m
0.522 m
0.671 m
0.598 m
0.587 m
0.568 m
0.447 m
0.347 m
0.311 m
0.313 m
0.279 m
0.313 m
0.449 m
0.713 m
0.566 m
0.687 m
1.193 m
0.925 m
0.500 m
no value
no value
no value
no value
0.418 m
0.448 m
1.786 m
1.530 m
1.686 m
1.620 m
0.635 m
0.559 m
0.667 m
0.498 m
0.452 m
0.379 m
0.324 m
0.402 m
0.575 m
1.629 m
1.273 m
1.095 m
0.823 m
0.891 m
0.688 m
0.402 m
0.355 m
0.441 m
no value
no value
no value
1.449 m
1.603 m
0.884 m
0.611 m
0.499 m
0.452 m
0.369 m
0.344 m
0.275 m
-0.050 m
0.638 m
1.470 m
1.301 m
1.267 m
1.433 m
0.701 m
0.467 m
0.389 m
0.325 m
0.307 m
0.196 m
-0.221 m
1.022 m
1.040 m
1.198 m
0.845 m
0.646 m
0.418 m
0.430 m
0.339 m
0.308 m
0.321 m
0.304 m
0.306 m
0.331 m
0.762 m
0.604 m
0.495 m
0.396 m
0.619 m
0.647 m
0.485 m
0.409 m
0.347 m
0.332 m
0.618 m
0.751 m
1.856 m
1.891 m
1.714 m
1.473 m
1.137 m
0.559 m
0.457 m
0.360 m
0.314 m
0.298 m
0.398 m
0.658 m
1.213 m
2.755 m
3.084 m
1.488 m
0.747 m
0.539 m
0.415 m
0.411 m
0.383 m
0.335 m
0.409 m
1.040 m
0.970 m
1.333 m
1.230 m
0.756 m
0.495 m
0.613 m
0.383 m
0.315 m
0.334 m
0.346 m
0.341 m
0.412 m
0.479 m
1.543 m
1.698 m
1.332 m
0.791 m
0.513 m
0.448 m
0.341 m
0.302 m
0.285 m
0.303 m
0.260 m
0.213 m
0.268 m
0.753 m
0.649 m
0.391 m
0.468 m
0.362 m
0.303 m
0.293 m
0.305 m
0.310 m
0.345 m
0.673 m
1.181 m
1.136 m
1.220 m
1.034 m
0.531 m
0.644 m
0.359 m
0.309 m
0.285 m
0.315 m
0.407 m
0.837 m
0.593 m
1.242 m
0.739 m
0.549 m
0.511 m
0.583 m
0.347 m
0.331 m
0.316 m
0.580 m
2.207 m
2.451 m
1.928 m
2.186 m
1.671 m
0.653 m
0.531 m
0.601 m
0.387 m
0.353 m
0.333 m
0.901 m
0.877 m
1.870 m
1.662 m
1.741 m
0.727 m
0.584 m
0.489 m
0.521 m
0.523 m
0.389 m
0.381 m
0.552 m
0.531 m
0.728 m
1.010 m
0.738 m
0.634 m
0.584 m
0.406 m
0.366 m
0.296 m
0.262 m
0.311 m
0.328 m
0.592 m
1.415 m
2.240 m
0.773 m
1.214 m
1.146 m
0.606 m
0.391 m
0.364 m
0.354 m
0.334 m
0.396 m
1.241 m
1.251 m
2.029 m
1.646 m
1.588 m
1.375 m
0.694 m
0.464 m
0.389 m
0.318 m
0.352 m
0.670 m
0.623 m
0.835 m
2.486 m
1.839 m
0.953 m
0.605 m
0.453 m
0.367 m
0.298 m
0.280 m
0.342 m
0.333 m
0.559 m
1.156 m
2.256 m
3.122 m
1.065 m
0.527 m
0.551 m
0.354 m
0.249 m
0.132 m
0.163 m
0.204 m

How this compares

  • The daily high on 25 October 2026 was 0.326 m, the sixteenth lowest for 25 October in 46 years of record (1974 to 2026). The newest value is provisional.
  • That is 0.07 m below the median of 0.40 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 122 of 298 days, the fourth most of the 52 years counted from 1974 to 2026.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
0.397 m
1.00 m
0.394 m
0.397 m
0.468 m
1.604 m
0.626 m
0.289 m
0.313 m
0.331 m

Year by year

The lowest and highest daily high of each year

The lowest and highest daily high of each year 0 m 2 m 4 m Highest 4.098 m, 2001 Lowest -0.818 m, 2003
  • 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 Canal de Nantes à Brest at Saint-Gravé (downstream) in each year from 1975 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily high in our series since 13 March 1974 was -0.818 m, on 17 October 2003. The highest was 4.098 m, on 6 January 2001.
Table: The lowest and highest daily high of each year
YearLowest daily high (m)DayHighest daily high (m)DayDays with a value
0.323 m2.79 m365
0.214 m2.692 m316
0.034 m3.295 m363
0.159 m3.36 m364
0.239 m3.188 m334
0.242 m2.548 m335
0.149 m2.99 m358
0.201 m2.318 m325
-0.082 m3.574 m366
0.20 m1.814 m365
0.174 m3.346 m364
0.133 m2.97 m365
0.134 m2.683 m364
0.315 m3.396 m365
0.22 m3.31 m365
-0.54 m3.95 m365
0.27 m2.64 m366
-0.71 m2.74 m347
-0.213 m2.893 m365
-0.075 m3.835 m365
0.304 m3.832 m366
-0.331 m4.098 m365
-0.766 m2.948 m365
-0.818 m3.13 m352
0.169 m3.003 m366
0.248 m1.771 m365
0.244 m3.104 m365
-0.548 m3.037 m365
-0.782 m3.464 m365
0.241 m2.33 m365
0.295 m3.115 m366
0.283 m3.49 m365
0.315 m3.935 m365
0.283 m2.649 m365
0.058 m2.597 m366
0.20 m1.712 m365
0.272 m2.016 m365
provisional0.295 m3.392 m343
provisional0.315 m3.241 m366
0.334 m2.953 m365
0.211 m2.974 m365
0.255 m3.206 m365
provisional0.291 m3.163 m366
provisional0.186 m3.735 m365
so far, provisional0.105 m3.706 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 2 m 4 m 2001, 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 daily highs of the Canal de Nantes à Brest at Saint-Gravé (downstream) 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 high in our series since 13 March 1974 was in 2003, the highest in 2001. 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 Weekly average of daily highs (m), lowest day Weekly average of daily highs (m), highest day Weekly average of daily highs (m)Normal range (m)
to 0.726 m2.762 m3.637 m0.479 m to 2.823 m
to 1.560 m1.473 m3.296 m0.500 m to 2.813 m
to 2.706 m1.770 m2.401 m0.492 m to 2.762 m
to 3.541 m2.419 m3.226 m0.493 m to 2.785 m
to 3.176 m1.790 m2.765 m0.533 m to 2.816 m
to 3.351 m1.691 m3.086 m0.547 m to 2.801 m
to 3.370 m1.405 m2.143 m0.559 m to 2.737 m
to 3.115 m1.001 m1.326 m0.590 m to 2.483 m
to 1.866 m1.625 m1.262 m0.597 m to 2.335 m
to 1.193 m1.370 m1.143 m0.583 m to 2.044 m
to 1.154 m0.855 m1.799 m0.546 m to 1.845 m
to 0.817 m0.536 m3.282 m0.519 m to 1.849 m
to 0.711 m0.385 m3.049 m0.503 m to 2.032 m
to 0.580 m0.184 m2.201 m0.490 m to 1.833 m
to 0.553 m0.021 m1.538 m0.467 m to 1.455 m
to 0.512 m0.019 m1.084 m0.450 m to 1.254 m
to 0.460 m0.269 m1.157 m0.458 m to 1.235 m
to 0.579 m0.457 m2.216 m0.451 m to 1.148 m
to 0.719 m0.426 m1.152 m0.435 m to 0.988 m
to 0.534 m0.481 m0.928 m0.417 m to 0.905 m
to 0.456 m0.486 m0.667 m0.396 m to 0.901 m
to 0.387 m0.433 m0.561 m0.381 m to 0.875 m
to 0.401 m0.399 m0.540 m0.372 m to 0.763 m
to 0.363 m0.356 m0.515 m0.352 m to 0.666 m
to 0.331 m0.338 m0.499 m0.338 m to 0.604 m
to 0.292 m0.312 m0.425 m0.323 m to 0.540 m
to 0.273 m0.344 m0.391 m0.314 m to 0.513 m
to 0.226 m0.316 m0.396 m0.297 m to 0.491 m
to 0.280 m0.291 m0.498 m0.293 m to 0.464 m
to 0.231 m0.308 m0.391 m0.300 m to 0.442 m
to 0.179 m0.303 m0.386 m0.295 m to 0.440 m
to 0.133 m0.287 m0.378 m0.291 m to 0.420 m
to 0.111 m0.298 m0.350 m0.289 m to 0.408 m
to 0.108 m0.291 m0.358 m0.289 m to 0.411 m
to 0.160 m0.330 m0.329 m0.290 m to 0.422 m
to 0.194 m0.416 m0.333 m0.285 m to 0.421 m
to 0.169 m-0.333 m0.311 m0.281 m to 0.429 m
to 0.147 mno value0.308 m0.280 m to 0.454 m
to 0.135 mno value0.356 m0.282 m to 0.479 m
to 0.169 m-0.446 m0.425 m0.272 m to 0.549 m
to 0.176 m-0.741 m0.622 m0.154 m to 0.590 m
to 0.221 m-0.779 m-0.151 m-0.149 m to 0.709 m
to no value-0.749 m-0.061 m-0.226 m to 0.831 m
to no value-0.551 m-0.234 m-0.066 m to 0.877 m
to no value-0.611 m-0.226 m0.150 m to 1.064 m
to no value-0.585 m-0.229 m0.215 m to 1.165 m
to no value0.097 m-0.241 m0.314 m to 1.331 m
to no value0.878 m-0.258 m0.330 m to 1.613 m
to no value0.698 m-0.092 m0.333 m to 1.871 m
to no value0.125 m-0.269 m0.358 m to 1.906 m
to no value0.013 m-0.301 m0.413 m to 2.107 m
to no value0.705 m0.126 m0.444 m to 2.803 m
Every year
YearDays with a valueDays below the normal range
to 298122
36558
3660
3657
36588
3652
3666
34314
3658
365139
36660
36527
3650
3652
36678
36583
36529
36534
2803
3656
24921
36576
36614
352149
36544
36568
3660
3650
36534
34769
36610
36530
3654
36516
36460
36511
36433
36594
36627
3250
2964
3587
3351
110
33412
23613
27839
36412
36314
316182
3653
2942

How it compares

That is within the normal range for the date.

Records

  • Highest daily high in our series since 13 March 1974: 4.098 m on 6 January 2001.
  • Lowest daily high in our series since 13 March 1974: -0.818 m on 17 October 2003.

Also on this water

About this gauge

Saint-Gravé (downstream) is a gauge on the Canal de Nantes à Brest in Morbihan, France.

It lies at 47.7391° N, 2.2570° 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 13 March 1974.

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

The normal range for 25 October is -0.23 m to 0.83 m: the 10th to 90th percentile of the daily highs from 18 October to 1 November in 44 years between 1974 and 2025.

Keep exploring

Sources