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Serre water level at Mortiers today

Is the Serre at Mortiers within its normal range for the date?

The Serre at Mortiers read 0.476 m at .

Level now

within the normal range for the date

0.476 m

Provisional

within the normal range for the date

0.476 mNormal for the date0.33 m to 0.74 mMedian 0.45 m
The normal range for 26 October is 0.33 m to 0.74 m: the 10th to 90th percentile of the daily highs from 19 October to 2 November in 54 years between 1972 and 2025.
Table: where the water stands
LevelValue
Newest reading0.476 m,
Normal range for the date0.33 m to 0.74 m
Median for the date0.45 m
Past day
-0.158 m
Past week
+0.128 m

The gauge reads the height of the water above a fixed zero, not the depth of the river. Its zero lies at 61 m above NGF 1884 (the former French sea-level datum, Lallemand).

Level history

within the normal range for the date

On the Serre at Mortiers averaged 0.665 m.

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

The last 90 days, against the normal range for each day 0.4 m 0.6 m 0.665 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
Daily highs of the Serre at Mortiers 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
0.543 m0.378 m to 0.674 m0.479 m0.427 m
0.489 m0.381 m to 0.674 m0.478 m0.425 m
0.400 m0.383 m to 0.665 m0.477 m0.401 m
0.431 m0.384 m to 0.662 m0.477 m0.403 m
0.390 m0.384 m to 0.656 m0.476 m0.412 m
0.376 m0.383 m to 0.656 m0.476 m0.432 m
0.371 m0.383 m to 0.656 m0.476 m0.419 m
0.401 m0.383 m to 0.657 m0.475 m0.394 m
0.386 m0.381 m to 0.656 m0.473 m0.407 m
0.525 m0.380 m to 0.656 m0.473 m0.405 m
0.375 m0.379 m to 0.648 m0.470 m0.402 m
0.381 m0.379 m to 0.644 m0.470 m0.381 m
0.380 m0.378 m to 0.642 m0.469 m0.379 m
0.378 m0.377 m to 0.633 m0.469 m0.377 m
0.374 m0.377 m to 0.630 m0.468 m0.375 m
0.375 m0.376 m to 0.628 m0.467 m0.393 m
0.363 m0.375 m to 0.626 m0.467 m0.369 m
0.362 m0.373 m to 0.625 m0.466 m0.370 m
0.357 m0.370 m to 0.625 m0.466 m0.386 m
0.358 m0.367 m to 0.623 m0.465 m0.364 m
0.361 m0.365 m to 0.625 m0.464 m0.385 m
0.369 m0.363 m to 0.622 m0.464 m0.375 m
0.392 m0.361 m to 0.620 m0.464 m0.388 m
0.412 m0.359 m to 0.620 m0.464 m0.379 m
0.393 m0.357 m to 0.620 m0.464 m0.397 m
0.386 m0.356 m to 0.622 m0.463 m0.401 m
0.383 m0.356 m to 0.619 m0.462 m0.398 m
0.385 m0.355 m to 0.617 m0.461 m0.402 m
0.392 m0.353 m to 0.613 m0.461 m0.387 m
0.390 m0.352 m to 0.610 m0.459 m0.376 m
0.422 m0.351 m to 0.610 m0.458 m0.356 m
0.422 m0.350 m to 0.604 m0.456 m0.355 m
0.426 m0.350 m to 0.602 m0.456 m0.361 m
0.403 m0.349 m to 0.602 m0.454 m0.369 m
0.392 m0.348 m to 0.602 m0.450 m0.374 m
0.397 m0.347 m to 0.598 m0.449 m0.375 m
0.381 m0.347 m to 0.597 m0.445 m0.383 m
0.381 m0.347 m to 0.600 m0.445 m0.446 m
0.373 m0.347 m to 0.600 m0.444 m0.445 m
0.369 m0.346 m to 0.598 m0.443 m0.424 m
0.368 m0.346 m to 0.591 m0.442 m0.403 m
0.363 m0.345 m to 0.588 m0.442 m0.388 m
0.404 m0.345 m to 0.589 m0.443 m0.364 m
0.406 m0.345 m to 0.591 m0.442 m0.371 m
0.368 m0.343 m to 0.592 m0.441 m0.358 m
0.367 m0.342 m to 0.592 m0.440 m0.371 m
0.365 m0.339 m to 0.592 m0.439 m0.354 m
0.426 m0.339 m to 0.590 m0.439 m0.368 m
0.365 m0.338 m to 0.586 m0.439 m0.397 m
0.367 m0.337 m to 0.586 m0.436 m0.411 m
0.358 m0.337 m to 0.592 m0.437 m0.378 m
0.359 m0.337 m to 0.590 m0.435 m0.375 m
0.359 m0.337 m to 0.583 m0.434 m0.388 m
0.360 m0.338 m to 0.580 m0.434 m0.363 m
0.357 m0.337 m to 0.580 m0.433 m0.356 m
0.359 m0.337 m to 0.581 m0.432 m0.367 m
0.359 m0.337 m to 0.581 m0.429 m0.401 m
0.355 m0.338 m to 0.579 m0.428 m0.402 m
0.348 m0.338 m to 0.579 m0.425 m0.588 m
0.348 m0.339 m to 0.579 m0.428 m0.641 m
0.347 m0.340 m to 0.579 m0.429 m0.511 m
0.347 m0.341 m to 0.588 m0.431 m0.413 m
0.348 m0.341 m to 0.591 m0.432 m0.403 m
0.348 m0.341 m to 0.597 m0.433 m0.389 m
0.344 m0.341 m to 0.599 m0.434 m0.379 m
0.344 m0.341 m to 0.599 m0.434 m0.374 m
0.342 m0.341 m to 0.606 m0.435 m0.433 m
0.344 m0.341 m to 0.610 m0.435 m0.417 m
0.342 m0.340 m to 0.612 m0.435 m0.446 m
0.342 m0.339 m to 0.623 m0.434 m0.449 m
0.344 m0.339 m to 0.630 m0.433 m0.452 m
0.352 m0.336 m to 0.646 m0.433 m0.385 m
0.364 m0.336 m to 0.688 m0.433 m0.408 m
0.402 m0.335 m to 0.698 m0.432 m0.375 m
0.400 m0.334 m to 0.706 m0.431 m0.371 m
0.376 m0.333 m to 0.717 m0.430 m0.368 m
0.369 m0.333 m to 0.731 m0.430 m0.364 m
0.374 m0.333 m to 0.742 m0.431 m0.365 m
0.389 m0.333 m to 0.745 m0.431 m0.363 m
0.350 m0.333 m to 0.745 m0.432 m0.380 m
0.350 m0.331 m to 0.736 m0.433 m0.364 m
0.351 m0.329 m to 0.736 m0.433 m0.365 m
0.348 m0.329 m to 0.736 m0.433 m0.354 m
0.351 m0.327 m to 0.745 m0.434 m0.351 m
0.354 m0.331 m to 0.753 m0.436 m0.391 m
0.352 m0.331 m to 0.773 m0.437 m0.382 m
0.353 m0.332 m to 0.753 m0.438 m0.398 m
0.366 m0.331 m to 0.745 m0.442 m0.465 m
0.411 m0.332 m to 0.745 m0.445 m0.578 m
0.665 m0.331 m to 0.743 m0.448 m0.539 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 3 m Highest 3.322 m Lowest 0.18 m 0.665 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 Serre at Mortiers 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
0.539 m0.331 m to 0.743 m0.448 m
0.458 m0.331 m to 0.741 m0.448 m
0.505 m0.331 m to 0.743 m0.451 m
0.507 m0.332 m to 0.751 m0.456 m
0.543 m0.334 m to 0.756 m0.458 m
0.508 m0.335 m to 0.760 m0.461 m
0.555 m0.337 m to 0.788 m0.462 m
0.498 m0.337 m to 0.789 m0.466 m
0.606 m0.340 m to 0.809 m0.467 m
0.574 m0.341 m to 0.810 m0.469 m
0.485 m0.344 m to 0.823 m0.469 m
0.462 m0.347 m to 0.826 m0.469 m
0.453 m0.349 m to 0.856 m0.470 m
0.425 m0.350 m to 0.872 m0.471 m
0.415 m0.351 m to 0.916 m0.472 m
0.393 m0.353 m to 0.944 m0.476 m
0.397 m0.353 m to 0.964 m0.482 m
0.416 m0.354 m to 0.970 m0.485 m
0.394 m0.358 m to 0.973 m0.490 m
0.382 m0.359 m to 1.015 m0.492 m
0.380 m0.360 m to 1.031 m0.494 m
0.513 m0.360 m to 1.073 m0.500 m
0.614 m0.361 m to 1.090 m0.507 m
0.584 m0.362 m to 1.090 m0.512 m
0.513 m0.363 m to 1.086 m0.517 m
0.494 m0.363 m to 1.091 m0.525 m
0.687 m0.364 m to 1.121 m0.533 m
0.682 m0.367 m to 1.139 m0.534 m
0.708 m0.372 m to 1.174 m0.535 m
0.623 m0.375 m to 1.177 m0.539 m
0.543 m0.376 m to 1.218 m0.540 m
0.583 m0.381 m to 1.218 m0.541 m
0.578 m0.384 m to 1.232 m0.542 m
0.611 m0.386 m to 1.240 m0.542 m
0.570 m0.386 m to 1.244 m0.543 m
0.792 m0.386 m to 1.281 m0.546 m
0.768 m0.387 m to 1.292 m0.548 m
0.736 m0.388 m to 1.297 m0.552 m
0.601 m0.388 m to 1.317 m0.561 m
0.551 m0.388 m to 1.355 m0.565 m
0.522 m0.393 m to 1.385 m0.572 m
0.549 m0.395 m to 1.424 m0.576 m
0.582 m0.398 m to 1.454 m0.583 m
0.709 m0.400 m to 1.543 m0.589 m
1.643 m0.400 m to 1.550 m0.594 m
1.605 m0.401 m to 1.564 m0.602 m
0.884 m0.403 m to 1.550 m0.609 m
0.706 m0.406 m to 1.565 m0.614 m
0.631 m0.406 m to 1.564 m0.624 m
0.578 m0.407 m to 1.564 m0.630 m
0.535 m0.417 m to 1.550 m0.632 m
0.525 m0.426 m to 1.564 m0.641 m
0.514 m0.435 m to 1.583 m0.652 m
0.500 m0.441 m to 1.564 m0.658 m
0.475 m0.441 m to 1.554 m0.666 m
0.481 m0.442 m to 1.550 m0.678 m
0.481 m0.443 m to 1.543 m0.680 m
0.487 m0.445 m to 1.564 m0.684 m
0.488 m0.446 m to 1.545 m0.686 m
0.478 m0.447 m to 1.545 m0.694 m
0.479 m0.449 m to 1.547 m0.697 m
0.477 m0.452 m to 1.610 m0.712 m
0.470 m0.455 m to 1.673 m0.720 m
0.462 m0.459 m to 1.705 m0.730 m
0.458 m0.461 m to 1.795 m0.733 m
0.443 m0.461 m to 1.904 m0.735 m
0.454 m0.460 m to 1.913 m0.736 m
0.428 m0.459 m to 1.909 m0.743 m
0.424 m0.460 m to 1.904 m0.746 m
0.427 m0.461 m to 1.891 m0.747 m
0.427 m0.463 m to 1.899 m0.750 m
0.450 m0.458 m to 1.898 m0.750 m
0.440 m0.460 m to 1.831 m0.750 m
0.412 m0.460 m to 1.896 m0.750 m
0.464 m0.460 m to 1.901 m0.750 m
0.557 m0.458 m to 1.825 m0.750 m
1.816 m0.460 m to 1.766 m0.752 m
2.239 m0.460 m to 1.690 m0.755 m
2.099 m0.462 m to 1.673 m0.759 m
0.963 m0.465 m to 1.576 m0.769 m
1.618 m0.472 m to 1.472 m0.773 m
1.219 m0.475 m to 1.435 m0.774 m
0.842 m0.476 m to 1.425 m0.774 m
0.728 m0.478 m to 1.451 m0.761 m
0.656 m0.480 m to 1.536 m0.758 m
0.630 m0.480 m to 1.577 m0.758 m
0.591 m0.480 m to 1.641 m0.757 m
0.565 m0.480 m to 1.647 m0.762 m
0.547 m0.482 m to 1.684 m0.766 m
0.534 m0.489 m to 1.701 m0.776 m
0.529 m0.493 m to 1.728 m0.782 m
0.516 m0.498 m to 1.728 m0.783 m
0.505 m0.501 m to 1.757 m0.787 m
0.491 m0.500 m to 1.790 m0.787 m
0.545 m0.493 m to 1.852 m0.787 m
0.755 m0.492 m to 1.890 m0.787 m
0.735 m0.492 m to 1.907 m0.791 m
0.591 m0.489 m to 1.900 m0.793 m
0.568 m0.488 m to 1.899 m0.802 m
0.559 m0.488 m to 1.881 m0.806 m
0.692 m0.487 m to 1.875 m0.816 m
0.682 m0.487 m to 1.860 m0.824 m
0.680 m0.488 m to 1.875 m0.833 m
0.662 m0.489 m to 1.875 m0.837 m
0.624 m0.489 m to 1.838 m0.851 m
0.792 m0.488 m to 1.821 m0.851 m
0.713 m0.487 m to 1.821 m0.846 m
0.610 m0.487 m to 1.792 m0.840 m
0.624 m0.484 m to 1.767 m0.836 m
2.744 m0.487 m to 1.689 m0.832 m
3.147 m0.489 m to 1.644 m0.828 m
3.150 m0.488 m to 1.606 m0.819 m
2.772 m0.489 m to 1.608 m0.817 m
1.156 m0.489 m to 1.608 m0.812 m
2.016 m0.489 m to 1.566 m0.807 m
2.677 m0.492 m to 1.553 m0.804 m
1.770 m0.492 m to 1.537 m0.803 m
2.242 m0.489 m to 1.526 m0.793 m
2.686 m0.487 m to 1.512 m0.792 m
1.614 m0.487 m to 1.473 m0.784 m
1.649 m0.488 m to 1.441 m0.780 m
2.922 m0.488 m to 1.450 m0.776 m
2.616 m0.487 m to 1.452 m0.769 m
1.483 m0.487 m to 1.452 m0.767 m
1.159 m0.487 m to 1.449 m0.769 m
0.991 m0.487 m to 1.452 m0.769 m
0.932 m0.487 m to 1.477 m0.770 m
0.896 m0.488 m to 1.501 m0.772 m
0.846 m0.491 m to 1.523 m0.775 m
0.794 m0.492 m to 1.523 m0.774 m
0.750 m0.492 m to 1.533 m0.769 m
0.746 m0.492 m to 1.533 m0.768 m
0.722 m0.492 m to 1.572 m0.765 m
0.701 m0.494 m to 1.553 m0.757 m
0.696 m0.495 m to 1.565 m0.753 m
0.679 m0.497 m to 1.565 m0.748 m
0.669 m0.499 m to 1.553 m0.743 m
0.869 m0.502 m to 1.529 m0.739 m
1.181 m0.503 m to 1.515 m0.734 m
0.952 m0.500 m to 1.531 m0.732 m
2.406 m0.499 m to 1.531 m0.727 m
2.370 m0.496 m to 1.519 m0.723 m
1.229 m0.493 m to 1.487 m0.720 m
0.972 m0.492 m to 1.457 m0.715 m
0.859 m0.491 m to 1.458 m0.711 m
0.796 m0.490 m to 1.470 m0.707 m
0.743 m0.488 m to 1.473 m0.702 m
0.719 m0.488 m to 1.449 m0.701 m
0.697 m0.485 m to 1.449 m0.703 m
0.677 m0.485 m to 1.423 m0.707 m
0.660 m0.484 m to 1.398 m0.709 m
0.681 m0.482 m to 1.384 m0.716 m
0.769 m0.479 m to 1.395 m0.721 m
0.699 m0.478 m to 1.395 m0.726 m
0.784 m0.475 m to 1.361 m0.734 m
0.780 m0.475 m to 1.341 m0.735 m
0.716 m0.475 m to 1.334 m0.736 m
0.689 m0.476 m to 1.313 m0.733 m
0.680 m0.476 m to 1.310 m0.726 m
0.666 m0.475 m to 1.310 m0.720 m
0.650 m0.476 m to 1.302 m0.716 m
0.643 m0.477 m to 1.249 m0.713 m
0.638 m0.477 m to 1.240 m0.710 m
0.624 m0.477 m to 1.236 m0.708 m
0.617 m0.478 m to 1.226 m0.705 m
0.603 m0.477 m to 1.212 m0.702 m
0.598 m0.477 m to 1.202 m0.695 m
0.592 m0.477 m to 1.166 m0.690 m
0.579 m0.477 m to 1.117 m0.685 m
0.592 m0.477 m to 1.092 m0.677 m
0.579 m0.477 m to 1.065 m0.667 m
0.572 m0.476 m to 1.042 m0.658 m
0.566 m0.474 m to 1.029 m0.649 m
0.553 m0.474 m to 1.021 m0.644 m
0.550 m0.473 m to 1.000 m0.642 m
0.547 m0.472 m to 0.995 m0.641 m
0.549 m0.472 m to 0.987 m0.636 m
0.540 m0.471 m to 0.976 m0.636 m
0.554 m0.470 m to 0.964 m0.635 m
0.581 m0.470 m to 0.949 m0.632 m
0.532 m0.470 m to 0.931 m0.630 m
0.523 m0.471 m to 0.911 m0.628 m
0.521 m0.472 m to 0.900 m0.625 m
0.517 m0.472 m to 0.886 m0.622 m
0.512 m0.473 m to 0.883 m0.620 m
0.513 m0.472 m to 0.876 m0.619 m
0.507 m0.473 m to 0.873 m0.619 m
0.499 m0.475 m to 0.870 m0.619 m
0.491 m0.475 m to 0.860 m0.619 m
0.494 m0.475 m to 0.859 m0.621 m
0.511 m0.480 m to 0.859 m0.622 m
0.515 m0.483 m to 0.855 m0.622 m
0.536 m0.485 m to 0.860 m0.622 m
0.587 m0.486 m to 0.875 m0.622 m
0.582 m0.486 m to 0.887 m0.622 m
0.522 m0.486 m to 0.908 m0.622 m
0.509 m0.485 m to 0.908 m0.622 m
0.500 m0.483 m to 0.902 m0.621 m
0.613 m0.482 m to 0.899 m0.621 m
0.642 m0.480 m to 0.893 m0.619 m
0.546 m0.477 m to 0.887 m0.616 m
0.567 m0.473 m to 0.887 m0.614 m
0.573 m0.470 m to 0.886 m0.613 m
0.550 m0.466 m to 0.875 m0.611 m
0.528 m0.464 m to 0.863 m0.608 m
0.571 m0.463 m to 0.856 m0.605 m
0.583 m0.462 m to 0.843 m0.602 m
0.534 m0.459 m to 0.829 m0.601 m
0.516 m0.457 m to 0.809 m0.599 m
0.507 m0.453 m to 0.803 m0.596 m
0.489 m0.450 m to 0.803 m0.594 m
0.470 m0.446 m to 0.801 m0.592 m
0.454 m0.439 m to 0.803 m0.591 m
0.446 m0.438 m to 0.803 m0.589 m
0.493 m0.434 m to 0.803 m0.584 m
0.465 m0.430 m to 0.803 m0.579 m
0.418 m0.430 m to 0.804 m0.579 m
0.420 m0.429 m to 0.803 m0.579 m
0.445 m0.428 m to 0.798 m0.577 m
0.418 m0.426 m to 0.789 m0.574 m
0.533 m0.425 m to 0.788 m0.572 m
0.531 m0.425 m to 0.780 m0.571 m
0.508 m0.424 m to 0.774 m0.570 m
0.545 m0.423 m to 0.768 m0.566 m
0.514 m0.420 m to 0.758 m0.563 m
0.480 m0.423 m to 0.752 m0.563 m
0.470 m0.420 m to 0.741 m0.562 m
0.458 m0.423 m to 0.734 m0.558 m
0.454 m0.420 m to 0.727 m0.555 m
0.452 m0.420 m to 0.723 m0.554 m
0.454 m0.420 m to 0.718 m0.549 m
0.458 m0.419 m to 0.711 m0.546 m
0.450 m0.417 m to 0.710 m0.543 m
0.439 m0.414 m to 0.706 m0.541 m
0.436 m0.414 m to 0.705 m0.537 m
0.431 m0.413 m to 0.705 m0.535 m
0.461 m0.413 m to 0.705 m0.533 m
0.606 m0.411 m to 0.705 m0.532 m
0.465 m0.410 m to 0.706 m0.531 m
0.426 m0.410 m to 0.706 m0.529 m
0.417 m0.410 m to 0.706 m0.529 m
0.412 m0.409 m to 0.709 m0.527 m
0.410 m0.408 m to 0.715 m0.527 m
0.408 m0.408 m to 0.724 m0.527 m
0.401 m0.404 m to 0.731 m0.527 m
0.424 m0.402 m to 0.739 m0.528 m
0.472 m0.402 m to 0.731 m0.528 m
0.428 m0.401 m to 0.724 m0.528 m
0.523 m0.399 m to 0.724 m0.528 m
0.433 m0.398 m to 0.715 m0.528 m
0.433 m0.398 m to 0.715 m0.527 m
0.435 m0.397 m to 0.719 m0.527 m
0.424 m0.395 m to 0.710 m0.525 m
0.446 m0.394 m to 0.705 m0.522 m
0.447 m0.392 m to 0.703 m0.520 m
0.423 m0.390 m to 0.709 m0.517 m
0.422 m0.385 m to 0.703 m0.513 m
0.420 m0.384 m to 0.698 m0.512 m
0.413 m0.383 m to 0.696 m0.512 m
0.410 m0.381 m to 0.694 m0.510 m
0.402 m0.378 m to 0.689 m0.510 m
0.397 m0.378 m to 0.694 m0.507 m
0.396 m0.376 m to 0.693 m0.506 m
0.393 m0.375 m to 0.687 m0.502 m
0.393 m0.374 m to 0.687 m0.499 m
0.395 m0.373 m to 0.687 m0.496 m
0.397 m0.372 m to 0.687 m0.493 m
0.501 m0.372 m to 0.688 m0.492 m
0.401 m0.370 m to 0.687 m0.489 m
0.402 m0.370 m to 0.685 m0.491 m
0.402 m0.372 m to 0.675 m0.490 m
0.405 m0.372 m to 0.670 m0.487 m
0.403 m0.373 m to 0.670 m0.487 m
0.400 m0.373 m to 0.668 m0.486 m
0.402 m0.374 m to 0.668 m0.484 m
0.403 m0.377 m to 0.674 m0.482 m
0.543 m0.378 m to 0.674 m0.479 m
0.489 m0.381 m to 0.674 m0.478 m
0.400 m0.383 m to 0.665 m0.477 m
0.431 m0.384 m to 0.662 m0.477 m
0.390 m0.384 m to 0.656 m0.476 m
0.376 m0.383 m to 0.656 m0.476 m
0.371 m0.383 m to 0.656 m0.476 m
0.401 m0.383 m to 0.657 m0.475 m
0.386 m0.381 m to 0.656 m0.473 m
0.525 m0.380 m to 0.656 m0.473 m
0.375 m0.379 m to 0.648 m0.470 m
0.381 m0.379 m to 0.644 m0.470 m
0.380 m0.378 m to 0.642 m0.469 m
0.378 m0.377 m to 0.633 m0.469 m
0.374 m0.377 m to 0.630 m0.468 m
0.375 m0.376 m to 0.628 m0.467 m
0.363 m0.375 m to 0.626 m0.467 m
0.362 m0.373 m to 0.625 m0.466 m
0.357 m0.370 m to 0.625 m0.466 m
0.358 m0.367 m to 0.623 m0.465 m
0.361 m0.365 m to 0.625 m0.464 m
0.369 m0.363 m to 0.622 m0.464 m
0.392 m0.361 m to 0.620 m0.464 m
0.412 m0.359 m to 0.620 m0.464 m
0.393 m0.357 m to 0.620 m0.464 m
0.386 m0.356 m to 0.622 m0.463 m
0.383 m0.356 m to 0.619 m0.462 m
0.385 m0.355 m to 0.617 m0.461 m
0.392 m0.353 m to 0.613 m0.461 m
0.390 m0.352 m to 0.610 m0.459 m
0.422 m0.351 m to 0.610 m0.458 m
0.422 m0.350 m to 0.604 m0.456 m
0.426 m0.350 m to 0.602 m0.456 m
0.403 m0.349 m to 0.602 m0.454 m
0.392 m0.348 m to 0.602 m0.450 m
0.397 m0.347 m to 0.598 m0.449 m
0.381 m0.347 m to 0.597 m0.445 m
0.381 m0.347 m to 0.600 m0.445 m
0.373 m0.347 m to 0.600 m0.444 m
0.369 m0.346 m to 0.598 m0.443 m
0.368 m0.346 m to 0.591 m0.442 m
0.363 m0.345 m to 0.588 m0.442 m
0.404 m0.345 m to 0.589 m0.443 m
0.406 m0.345 m to 0.591 m0.442 m
0.368 m0.343 m to 0.592 m0.441 m
0.367 m0.342 m to 0.592 m0.440 m
0.365 m0.339 m to 0.592 m0.439 m
0.426 m0.339 m to 0.590 m0.439 m
0.365 m0.338 m to 0.586 m0.439 m
0.367 m0.337 m to 0.586 m0.436 m
0.358 m0.337 m to 0.592 m0.437 m
0.359 m0.337 m to 0.590 m0.435 m
0.359 m0.337 m to 0.583 m0.434 m
0.360 m0.338 m to 0.580 m0.434 m
0.357 m0.337 m to 0.580 m0.433 m
0.359 m0.337 m to 0.581 m0.432 m
0.359 m0.337 m to 0.581 m0.429 m
0.355 m0.338 m to 0.579 m0.428 m
0.348 m0.338 m to 0.579 m0.425 m
0.348 m0.339 m to 0.579 m0.428 m
0.347 m0.340 m to 0.579 m0.429 m
0.347 m0.341 m to 0.588 m0.431 m
0.348 m0.341 m to 0.591 m0.432 m
0.348 m0.341 m to 0.597 m0.433 m
0.344 m0.341 m to 0.599 m0.434 m
0.344 m0.341 m to 0.599 m0.434 m
0.342 m0.341 m to 0.606 m0.435 m
0.344 m0.341 m to 0.610 m0.435 m
0.342 m0.340 m to 0.612 m0.435 m
0.342 m0.339 m to 0.623 m0.434 m
0.344 m0.339 m to 0.630 m0.433 m
0.352 m0.336 m to 0.646 m0.433 m
0.364 m0.336 m to 0.688 m0.433 m
0.402 m0.335 m to 0.698 m0.432 m
0.400 m0.334 m to 0.706 m0.431 m
0.376 m0.333 m to 0.717 m0.430 m
0.369 m0.333 m to 0.731 m0.430 m
0.374 m0.333 m to 0.742 m0.431 m
0.389 m0.333 m to 0.745 m0.431 m
0.350 m0.333 m to 0.745 m0.432 m
0.350 m0.331 m to 0.736 m0.433 m
0.351 m0.329 m to 0.736 m0.433 m
0.348 m0.329 m to 0.736 m0.433 m
0.351 m0.327 m to 0.745 m0.434 m
0.354 m0.331 m to 0.753 m0.436 m
0.352 m0.331 m to 0.773 m0.437 m
0.353 m0.332 m to 0.753 m0.438 m
0.366 m0.331 m to 0.745 m0.442 m
0.411 m0.332 m to 0.745 m0.445 m
0.665 m0.331 m to 0.743 m0.448 m

The last 10 years, weekly averages

The last 10 years, weekly averages 1 m 2 m Lowest 0.18 m 0.407 m
  • Level
  • Our record
Weekly averages of the Serre at Mortiers 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)
0.412 m
0.398 m
0.426 m
0.449 m
0.424 m
0.427 m
0.407 m
0.387 m
0.417 m
0.408 m
0.404 m
0.565 m
0.469 m
0.401 m
0.822 m
0.600 m
0.461 m
0.525 m
0.629 m
1.165 m
0.571 m
0.532 m
0.464 m
0.442 m
0.445 m
0.436 m
0.462 m
0.442 m
0.446 m
0.412 m
0.379 m
0.409 m
0.433 m
0.375 m
0.371 m
0.403 m
0.373 m
0.366 m
0.347 m
0.357 m
0.332 m
0.343 m
0.371 m
0.303 m
0.309 m
0.387 m
0.441 m
0.327 m
0.383 m
0.416 m
0.328 m
0.303 m
0.355 m
0.311 m
0.395 m
0.507 m
0.567 m
1.202 m
0.693 m
1.876 m
0.925 m
1.535 m
2.569 m
0.850 m
1.467 m
1.774 m
1.422 m
1.073 m
1.458 m
0.851 m
0.756 m
0.895 m
1.443 m
0.823 m
1.021 m
0.917 m
0.728 m
0.672 m
0.649 m
0.686 m
0.607 m
0.578 m
0.615 m
0.810 m
0.532 m
0.793 m
0.514 m
0.479 m
0.487 m
0.464 m
0.455 m
0.444 m
0.436 m
0.444 m
0.473 m
0.459 m
0.465 m
0.443 m
0.420 m
0.415 m
0.426 m
0.419 m
0.411 m
0.391 m
0.379 m
0.447 m
0.389 m
0.412 m
0.374 m
0.486 m
1.119 m
0.849 m
0.872 m
1.129 m
0.551 m
0.560 m
0.647 m
0.663 m
1.294 m
1.044 m
1.237 m
0.589 m
0.565 m
1.061 m
1.695 m
0.832 m
0.594 m
0.569 m
0.616 m
0.546 m
0.542 m
0.541 m
0.616 m
0.528 m
0.499 m
0.483 m
0.543 m
0.519 m
0.499 m
0.480 m
0.474 m
0.479 m
0.479 m
0.466 m
0.416 m
0.424 m
0.401 m
0.386 m
0.349 m
0.361 m
0.357 m
0.340 m
0.372 m
0.372 m
0.423 m
0.573 m
0.508 m
0.508 m
0.738 m
0.668 m
0.517 m
0.678 m
0.693 m
1.714 m
1.108 m
1.453 m
0.739 m
0.915 m
0.770 m
0.609 m
1.729 m
2.028 m
1.390 m
1.236 m
1.868 m
2.555 m
2.191 m
1.174 m
1.011 m
0.928 m
0.857 m
0.793 m
0.718 m
0.723 m
0.668 m
0.638 m
0.603 m
0.581 m
0.564 m
0.541 m
0.509 m
0.484 m
0.477 m
0.458 m
0.442 m
0.432 m
0.411 m
0.399 m
0.394 m
0.408 m
0.374 m
0.361 m
0.360 m
0.358 m
0.382 m
0.421 m
0.431 m
0.382 m
0.427 m
0.453 m
0.437 m
0.394 m
0.408 m
0.377 m
0.516 m
0.560 m
0.720 m
1.800 m
1.632 m
0.649 m
1.792 m
1.573 m
2.404 m
2.216 m
1.296 m
1.055 m
0.887 m
0.787 m
0.741 m
0.790 m
0.679 m
0.629 m
0.645 m
0.646 m
0.597 m
0.566 m
0.585 m
0.538 m
0.599 m
0.663 m
0.606 m
0.490 m
0.568 m
0.749 m
0.800 m
0.597 m
2.114 m
0.663 m
0.541 m
0.513 m
0.482 m
0.482 m
0.483 m
0.490 m
0.512 m
0.553 m
0.444 m
0.491 m
0.579 m
0.437 m
0.455 m
0.475 m
0.606 m
0.459 m
0.484 m
0.668 m
0.914 m
1.230 m
0.712 m
0.534 m
0.866 m
1.921 m
1.503 m
0.869 m
0.823 m
0.905 m
1.467 m
1.222 m
0.929 m
0.680 m
0.611 m
0.628 m
0.576 m
0.579 m
0.669 m
0.587 m
0.566 m
0.573 m
0.531 m
0.514 m
0.490 m
0.482 m
0.475 m
0.506 m
0.463 m
0.486 m
0.503 m
0.452 m
0.450 m
0.437 m
0.421 m
0.394 m
0.360 m
0.362 m
0.355 m
0.338 m
0.384 m
0.391 m
0.343 m
0.388 m
0.384 m
0.342 m
0.396 m
0.351 m
0.331 m
0.329 m
0.378 m
0.388 m
0.374 m
0.352 m
0.312 m
0.749 m
0.585 m
0.806 m
1.360 m
1.175 m
0.545 m
0.484 m
0.456 m
0.418 m
0.409 m
0.386 m
0.709 m
0.674 m
1.023 m
1.084 m
0.687 m
0.822 m
0.563 m
0.686 m
0.534 m
1.052 m
0.547 m
0.472 m
0.414 m
0.410 m
0.401 m
0.463 m
0.406 m
0.404 m
0.386 m
0.416 m
0.486 m
0.726 m
0.559 m
0.439 m
0.524 m
0.450 m
0.408 m
0.424 m
0.519 m
0.393 m
0.346 m
0.322 m
0.346 m
0.866 m
0.931 m
1.198 m
1.613 m
1.276 m
1.368 m
1.923 m
1.336 m
1.255 m
1.011 m
2.488 m
0.963 m
1.029 m
1.209 m
0.916 m
2.171 m
1.357 m
2.180 m
1.660 m
1.265 m
1.539 m
1.195 m
1.097 m
1.353 m
1.123 m
0.961 m
0.854 m
0.778 m
0.744 m
0.792 m
0.815 m
1.556 m
0.773 m
0.671 m
0.720 m
0.639 m
0.649 m
0.597 m
0.564 m
0.584 m
0.565 m
0.524 m
0.543 m
0.519 m
0.463 m
0.461 m
0.489 m
0.467 m
0.763 m
0.536 m
1.681 m
0.735 m
0.588 m
0.563 m
0.523 m
0.494 m
1.235 m
0.624 m
1.245 m
1.032 m
1.069 m
1.041 m
1.299 m
2.525 m
0.934 m
1.752 m
1.865 m
0.982 m
1.000 m
0.860 m
1.333 m
0.814 m
0.773 m
0.690 m
0.673 m
0.653 m
0.597 m
0.576 m
0.577 m
0.558 m
0.511 m
0.510 m
0.471 m
0.475 m
0.501 m
0.444 m
0.414 m
0.472 m
0.400 m
0.407 m
0.392 m
0.554 m
0.417 m
0.392 m
0.377 m
0.391 m
0.368 m
0.409 m
0.369 m
0.377 m
0.480 m
0.412 m
0.389 m
0.363 m
0.459 m
0.532 m
0.458 m
0.442 m
0.613 m
0.635 m
0.607 m
0.940 m
0.495 m
0.473 m
0.436 m
1.147 m
0.951 m
0.541 m
0.606 m
0.692 m
2.029 m
2.093 m
1.571 m
0.751 m
1.304 m
0.859 m
0.721 m
0.669 m
0.601 m
0.559 m
0.538 m
0.504 m
0.536 m
0.574 m
0.524 m
0.449 m
0.504 m
0.457 m
0.466 m
0.421 m
0.446 m
0.420 m
0.410 m
0.402 m
0.433 m
0.403 m
0.367 m
0.385 m
0.406 m
0.380 m
0.386 m
0.361 m
0.352 m
0.345 m
0.369 m
0.362 m
0.407 m

The whole record since 1971, monthly averages

The whole record since 1971, monthly averages 0.5 m 1.0 m 1.5 m Lowest 0.18 m 0.373 m
  • Level
  • Our record
Monthly averages of the Serre at Mortiers from 31 December 1971 to 25 October 2026.
Table: The whole record since 1971, monthly averages
Month startingMonthly average of daily highs (m)
no value
0.702 m
0.753 m
0.595 m
0.869 m
0.632 m
0.632 m
0.692 m
0.640 m
0.448 m
0.413 m
0.845 m
0.602 m
0.503 m
0.849 m
0.508 m
0.493 m
0.571 m
0.704 m
0.612 m
0.338 m
0.340 m
0.371 m
0.485 m
0.714 m
0.792 m
0.951 m
0.836 m
0.576 m
0.577 m
0.590 m
0.632 m
0.436 m
0.373 m
0.695 m
0.814 m
1.157 m
1.146 m
0.827 m
0.994 m
0.906 m
0.654 m
0.549 m
0.462 m
0.525 m
0.488 m
0.424 m
0.666 m
0.546 m
0.586 m
0.715 m
0.485 m
0.487 m
0.556 m
0.666 m
0.335 m
0.241 m
0.260 m
0.287 m
0.330 m
0.388 m
0.564 m
0.855 m
0.547 m
0.730 m
0.711 m
0.711 m
0.577 m
0.442 m
0.354 m
0.424 m
0.623 m
0.624 m
0.715 m
0.916 m
1.016 m
0.796 m
1.042 m
0.693 m
0.883 m
0.742 m
0.694 m
0.606 m
0.555 m
0.678 m
0.743 m
1.089 m
1.281 m
0.891 m
0.765 m
0.653 m
0.653 m
0.688 m
0.585 m
0.568 m
0.867 m
1.360 m
0.929 m
1.222 m
1.057 m
0.805 m
0.631 m
0.585 m
1.089 m
0.577 m
0.529 m
0.625 m
0.757 m
1.129 m
1.316 m
0.987 m
1.290 m
0.768 m
0.730 m
0.916 m
0.621 m
0.646 m
0.568 m
1.206 m
0.785 m
1.349 m
1.397 m
0.944 m
0.917 m
0.700 m
0.636 m
0.542 m
0.490 m
0.479 m
0.481 m
0.624 m
0.685 m
1.059 m
0.911 m
0.982 m
0.871 m
0.973 m
1.000 m
0.735 m
0.617 m
0.538 m
0.568 m
0.507 m
0.538 m
0.577 m
0.930 m
1.048 m
0.772 m
0.769 m
0.617 m
0.613 m
0.570 m
0.567 m
0.500 m
0.574 m
0.776 m
0.703 m
0.907 m
0.686 m
0.896 m
0.932 m
0.778 m
0.669 m
0.539 m
0.544 m
0.511 m
0.458 m
0.447 m
0.553 m
0.929 m
0.495 m
0.817 m
1.048 m
0.634 m
0.611 m
0.510 m
0.471 m
0.508 m
0.558 m
0.713 m
0.904 m
0.932 m
0.844 m
1.162 m
0.675 m
0.632 m
0.676 m
0.738 m
0.585 m
0.590 m
1.049 m
0.996 m
0.745 m
1.437 m
1.582 m
1.710 m
0.990 m
0.790 m
0.639 m
0.743 m
0.514 m
0.529 m
0.684 m
0.555 m
1.187 m
0.726 m
0.713 m
1.049 m
1.052 m
0.702 m
0.562 m
0.527 m
0.546 m
0.545 m
0.496 m
0.537 m
0.707 m
0.733 m
1.008 m
0.754 m
0.631 m
0.506 m
0.565 m
0.575 m
0.448 m
0.386 m
0.427 m
0.484 m
0.801 m
1.026 m
0.661 m
0.700 m
0.491 m
0.480 m
0.519 m
0.554 m
0.447 m
0.358 m
0.378 m
0.515 m
0.616 m
0.485 m
0.596 m
0.663 m
0.542 m
0.492 m
0.629 m
0.495 m
0.541 m
0.556 m
0.477 m
0.989 m
1.074 m
1.115 m
0.663 m
0.591 m
0.558 m
0.480 m
0.437 m
0.480 m
0.426 m
0.440 m
0.659 m
0.520 m
1.662 m
1.513 m
1.087 m
1.032 m
1.138 m
0.745 m
0.708 m
0.596 m
0.631 m
0.598 m
0.531 m
0.565 m
0.695 m
1.612 m
1.632 m
1.291 m
1.044 m
0.762 m
0.613 m
0.509 m
0.595 m
0.575 m
0.548 m
0.477 m
0.602 m
0.591 m
0.670 m
0.482 m
0.421 m
0.505 m
0.527 m
0.388 m
0.433 m
0.328 m
0.318 m
0.780 m
0.805 m
0.436 m
0.936 m
0.572 m
0.420 m
0.598 m
0.491 m
0.543 m
0.441 m
0.324 m
0.318 m
0.453 m
0.629 m
0.952 m
0.471 m
0.640 m
1.069 m
0.549 m
0.484 m
0.448 m
0.435 m
0.463 m
0.860 m
1.013 m
0.913 m
1.121 m
1.134 m
1.115 m
0.876 m
0.624 m
0.531 m
0.501 m
0.448 m
0.419 m
0.443 m
0.400 m
1.306 m
0.840 m
1.089 m
0.781 m
0.779 m
0.594 m
0.515 m
0.654 m
0.506 m
0.492 m
0.879 m
1.166 m
1.132 m
1.756 m
1.281 m
1.682 m
1.554 m
0.940 m
0.724 m
0.676 m
0.550 m
0.653 m
0.564 m
0.923 m
1.054 m
0.881 m
1.356 m
1.061 m
0.714 m
0.648 m
0.628 m
0.488 m
0.514 m
0.415 m
0.503 m
1.193 m
1.093 m
1.390 m
1.108 m
0.792 m
0.642 m
0.632 m
0.483 m
0.419 m
0.395 m
0.328 m
0.337 m
0.358 m
0.476 m
0.875 m
0.556 m
0.424 m
0.450 m
0.430 m
0.341 m
0.371 m
0.459 m
0.361 m
0.436 m
0.364 m
0.525 m
0.627 m
0.563 m
0.564 m
0.565 m
0.490 m
0.369 m
0.433 m
0.420 m
0.394 m
0.377 m
0.409 m
0.439 m
0.514 m
0.764 m
0.860 m
0.625 m
0.867 m
0.497 m
0.399 m
0.511 m
0.397 m
0.385 m
0.573 m
0.763 m
1.093 m
1.091 m
1.181 m
0.706 m
0.653 m
0.592 m
0.633 m
0.677 m
0.486 m
0.486 m
0.426 m
0.967 m
0.731 m
0.715 m
1.287 m
0.832 m
0.624 m
0.549 m
0.499 m
0.498 m
0.486 m
0.575 m
0.600 m
0.673 m
0.876 m
0.808 m
0.707 m
0.594 m
0.645 m
0.490 m
0.408 m
0.401 m
0.389 m
0.391 m
0.473 m
0.637 m
0.653 m
0.820 m
0.664 m
0.615 m
0.509 m
0.416 m
0.385 m
0.458 m
0.439 m
0.405 m
0.735 m
0.603 m
1.247 m
0.727 m
0.590 m
0.527 m
0.453 m
0.429 m
0.395 m
0.384 m
0.372 m
0.331 m
0.347 m
0.725 m
0.857 m
0.560 m
0.679 m
0.583 m
0.619 m
0.484 m
0.759 m
0.433 m
0.426 m
0.564 m
0.526 m
1.198 m
0.965 m
0.964 m
0.746 m
0.631 m
0.740 m
0.645 m
0.471 m
0.415 m
0.443 m
0.472 m
0.860 m
0.780 m
0.953 m
1.105 m
0.814 m
0.609 m
0.579 m
0.481 m
0.454 m
0.440 m
0.382 m
0.466 m
0.464 m
0.815 m
0.913 m
1.050 m
0.738 m
0.713 m
0.596 m
0.469 m
0.413 m
0.431 m
0.435 m
0.383 m
0.510 m
0.583 m
0.839 m
1.319 m
0.870 m
0.739 m
0.782 m
0.865 m
0.551 m
0.508 m
0.465 m
0.424 m
0.426 m
0.407 m
0.503 m
0.558 m
0.694 m
0.447 m
0.421 m
0.394 m
0.363 m
0.334 m
0.366 m
0.360 m
0.600 m
1.208 m
1.617 m
1.156 m
1.014 m
0.747 m
0.638 m
0.610 m
0.462 m
0.456 m
0.428 m
0.407 m
0.401 m
0.958 m
0.652 m
0.977 m
1.004 m
0.567 m
0.537 m
0.507 m
0.471 m
0.393 m
0.357 m
0.477 m
0.639 m
1.191 m
0.846 m
1.688 m
1.701 m
0.800 m
0.634 m
0.522 m
0.444 m
0.393 m
0.370 m
0.424 m
0.403 m
1.040 m
1.578 m
1.364 m
0.739 m
0.618 m
0.592 m
0.613 m
0.983 m
0.491 m
0.498 m
0.488 m
0.558 m
0.874 m
1.230 m
1.126 m
0.614 m
0.598 m
0.504 m
0.486 m
0.447 m
0.365 m
0.366 m
0.374 m
0.358 m
0.479 m
0.929 m
0.434 m
0.756 m
0.741 m
0.629 m
0.418 m
0.424 m
0.549 m
0.441 m
0.507 m
1.330 m
1.333 m
1.373 m
1.740 m
1.305 m
1.054 m
0.925 m
0.739 m
0.594 m
0.522 m
0.542 m
0.858 m
0.705 m
1.052 m
1.769 m
1.062 m
0.750 m
0.595 m
0.501 m
0.458 m
0.435 m
0.386 m
0.407 m
0.426 m
0.538 m
0.611 m
0.770 m
1.584 m
0.895 m
0.573 m
0.519 m
0.463 m
0.421 m
0.390 m
0.367 m
0.373 m

How this compares

  • The daily high on 25 October 2026 was 0.665 m, the eighth highest for 25 October in 55 years of record (1972 to 2026). The newest value is provisional.
  • That is 0.25 m above the median of 0.42 m for 25 October over the last 10 years. The newest value is provisional.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
0.539 m
0.573 m
0.526 m
0.373 m
0.424 m
0.429 m
0.421 m
0.386 m
0.403 m
0.397 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 3 m Lowest 0.18 m, 2006 Highest 3.322 m, 2024
  • 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 Serre at Mortiers in each year from 1972 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily high in our series since 31 December 1971 was 0.18 m, on 29 December 2006. The highest was 3.322 m, on 10 October 2024.
Table: The lowest and highest daily high of each year
YearLowest daily high (m)DayHighest daily high (m)DayDays with a value
0.376 m2.672 m366
0.236 m2.307 m365
0.322 m2.801 m365
0.352 m2.734 m365
0.206 m2.512 m366
0.326 m2.377 m365
0.463 m2.798 m365
0.493 m2.971 m365
0.497 m2.831 m366
0.505 m3.061 m365
0.419 m2.949 m365
0.423 m1.839 m365
0.42 m3.05 m366
0.408 m2.201 m365
0.404 m2.689 m365
0.449 m3.046 m365
0.452 m2.971 m366
0.412 m2.041 m365
0.349 m2.811 m365
0.333 m2.665 m365
0.374 m2.42 m366
0.382 m3.289 m365
0.447 m2.571 m365
0.429 m3.297 m365
0.269 m2.34 m366
0.269 m1.72 m365
0.395 m3.024 m365
0.336 m3.046 m365
0.427 m2.717 m366
0.468 m3.312 m365
0.329 m3.292 m365
0.292 m3.18 m365
0.282 m1.957 m366
0.309 m1.108 m365
0.18 m3.047 m365
0.343 m3.268 m365
0.411 m2.946 m366
0.356 m3.171 m365
0.33 m2.114 m365
0.30 m3.263 m365
0.387 m2.955 m366
0.374 m3.101 m365
0.334 m2.301 m365
0.332 m2.711 m365
0.373 m3.011 m366
0.279 m3.073 m365
0.344 m3.23 m365
0.322 m2.945 m365
0.346 m3.23 m366
0.404 m3.299 m365
0.297 m3.242 m365
0.289 m3.193 m365
0.443 m3.322 m366
0.351 m3.21 m365
so far, provisional0.342 m3.15 m298

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

Each year from January to December, weekly averages of daily highs 1 m 2 m 3 m 2006, lowest day 2024, highest 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 Serre at Mortiers 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 31 December 1971 was in 2006, the highest in 2024. 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 0.435 m0.544 m2.488 m0.458 m to 1.898 m
to 1.502 m0.374 m0.963 m0.462 m to 1.673 m
to 0.651 m0.754 m1.029 m0.480 m to 1.577 m
to 0.554 m0.454 m1.209 m0.501 m to 1.757 m
to 0.644 m0.350 m0.916 m0.488 m to 1.881 m
to 0.967 m0.351 m2.171 m0.487 m to 1.821 m
to 2.384 m1.332 m1.357 m0.489 m to 1.608 m
to 2.173 m0.948 m2.180 m0.488 m to 1.441 m
to 0.910 m0.516 m1.660 m0.488 m to 1.501 m
to 0.726 m1.253 m1.265 m0.495 m to 1.565 m
to 1.424 m0.777 m1.539 m0.496 m to 1.519 m
to 0.710 m0.547 m1.195 m0.485 m to 1.449 m
to 0.731 m1.099 m1.097 m0.475 m to 1.341 m
to 0.634 m0.789 m1.353 m0.477 m to 1.240 m
to 0.583 m0.510 m1.123 m0.477 m to 1.092 m
to 0.553 m0.689 m0.961 m0.472 m to 0.987 m
to 0.518 m0.460 m0.854 m0.472 m to 0.886 m
to 0.519 m0.538 m0.778 m0.480 m to 0.859 m
to 0.559 m1.402 m0.744 m0.483 m to 0.902 m
to 0.558 m0.590 m0.792 m0.464 m to 0.863 m
to 0.482 m0.901 m0.815 m0.446 m to 0.801 m
to 0.461 m0.743 m1.556 m0.428 m to 0.798 m
to 0.490 m0.536 m0.773 m0.423 m to 0.752 m
to 0.446 m0.498 m0.671 m0.417 m to 0.710 m
to 0.457 m0.472 m0.720 m0.410 m to 0.706 m
to 0.441 m0.418 m0.639 m0.402 m to 0.731 m
to 0.433 m0.495 m0.649 m0.394 m to 0.705 m
to 0.404 m0.488 m0.597 m0.378 m to 0.689 m
to 0.413 m0.320 m0.564 m0.372 m to 0.688 m
to 0.435 m0.317 m0.584 m0.374 m to 0.668 m
to 0.394 m0.414 m0.565 m0.383 m to 0.656 m
to 0.398 m0.458 m0.524 m0.378 m to 0.642 m
to 0.366 m0.481 m0.543 m0.367 m to 0.623 m
to 0.392 m0.527 m0.519 m0.356 m to 0.619 m
to 0.406 m0.602 m0.463 m0.349 m to 0.602 m
to 0.381 m0.400 m0.461 m0.346 m to 0.591 m
to 0.374 m0.376 m0.489 m0.339 m to 0.590 m
to 0.358 m0.400 m0.467 m0.337 m to 0.580 m
to 0.347 m0.394 m0.763 m0.341 m to 0.588 m
to 0.344 m0.410 m0.536 m0.340 m to 0.612 m
to 0.382 m0.357 m1.681 m0.333 m to 0.717 m
to 0.351 m0.394 m0.735 m0.329 m to 0.736 m
to no value0.390 m0.588 m0.331 m to 0.743 m
to no value0.363 m0.563 m0.337 m to 0.789 m
to no value0.368 m0.523 m0.351 m to 0.916 m
to no value0.401 m0.494 m0.360 m to 1.073 m
to no value1.037 m1.235 m0.372 m to 1.174 m
to no value0.565 m0.624 m0.386 m to 1.281 m
to no value1.180 m1.245 m0.398 m to 1.454 m
to no value1.500 m1.032 m0.407 m to 1.564 m
to no value0.285 m1.069 m0.443 m to 1.543 m
to no value0.251 m0.958 m0.459 m to 1.705 m
Every year
YearDays with a valueDays below the normal range
to 29821
36521
3660
36574
36566
3650
3667
3659
3657
365205
36621
3659
3654
3650
36631
365104
36539
36517
3665
3656
36577
365103
366203
36572
3651
3650
3660
3658
36537
365136
366159
3651
3651
36525
36672
36530
3657
3650
3660
3650
36525
3650
3660
3650
3650
3650
3660
3650
3650
36523
366193
3654
3659
365106
36627
11

How it compares

That is within the normal range for the date.

Records

  • Highest daily high in our series since 31 December 1971: 3.322 m on 10 October 2024.
  • Lowest daily high in our series since 31 December 1971: 0.18 m on 29 December 2006.

Also on this water

About this gauge

Mortiers is a gauge on the Serre in Aisne, France.

It lies at 49.6845° N, 3.6669° E.

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 31 December 1971.

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 0.33 m to 0.74 m: the 10th to 90th percentile of the daily highs from 18 October to 1 November in 54 years between 1972 and 2025.

Keep exploring

Sources