World Water LevelsWater, in perspective
Menu

Isère water level at Grignon today

How high is the Isère at Grignon today?

The Isère at Grignon read 0.703 m at .

Level now

0.703 m

Provisional

Where the water stands

The level here rises and falls by about 0.42 m within a day (a tide, or water let through a dam), so a single reading is not ranked against the normal range of daily highs.

0.703 mNormal for the date0.44 m to 0.99 mMedian 0.75 m
The normal range for 26 October is 0.44 m to 0.99 m: the 10th to 90th percentile of the daily highs from 19 October to 2 November in 10 years between 2015 and 2025.
Table: where the water stands
LevelValue
Newest reading0.703 m,
Normal range for the date0.44 m to 0.99 m
Median for the date0.75 m
Past day
-0.411 m
Past week
+0.015 m

The gauge reads the height of the water above a fixed zero, not the depth of the river. Its zero lies at 328.05 m above NGF-IGN69 (the French sea-level datum).

Level history

in the highest 10 percent for the date

On the Isère at Grignon averaged 1.135 m.

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

The last 90 days, against the normal range for each day 0.5 m 1.0 m 1.5 m Lowest 0.125 m 1.135 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 Isère at Grignon 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
0.853 m0.558 m to 1.080 m0.755 m0.766 m
0.731 m0.539 m to 1.080 m0.745 m0.729 m
0.822 m0.513 m to 1.080 m0.737 m0.794 m
0.832 m0.513 m to 1.079 m0.733 m0.755 m
0.794 m0.498 m to 1.067 m0.729 m0.723 m
0.790 m0.494 m to 1.142 m0.712 m0.772 m
0.773 m0.486 m to 1.139 m0.711 m0.697 m
0.894 m0.486 m to 1.139 m0.707 m0.776 m
0.803 m0.481 m to 1.134 m0.706 m0.669 m
0.917 m0.486 m to 1.159 m0.698 m0.675 m
0.808 m0.494 m to 1.219 m0.698 m0.746 m
0.807 m0.494 m to 1.220 m0.702 m0.708 m
0.827 m0.494 m to 1.239 m0.702 m0.624 m
0.830 m0.494 m to 1.267 m0.706 m0.697 m
0.842 m0.494 m to 1.260 m0.707 m0.705 m
0.813 m0.494 m to 1.260 m0.706 m0.747 m
0.851 m0.495 m to 1.260 m0.708 m0.776 m
0.905 m0.524 m to 1.267 m0.709 m0.753 m
0.794 m0.540 m to 1.260 m0.714 m0.696 m
0.930 m0.560 m to 1.256 m0.714 m0.582 m
0.932 m0.571 m to 1.249 m0.725 m0.600 m
0.894 m0.566 m to 1.249 m0.716 m0.684 m
0.777 m0.567 m to 1.249 m0.725 m0.692 m
0.888 m0.564 m to 1.240 m0.724 m0.669 m
0.893 m0.564 m to 1.239 m0.725 m0.634 m
0.499 m0.577 m to 1.239 m0.733 m0.773 m
0.500 m0.577 m to 1.239 m0.728 m0.668 m
0.545 m0.577 m to 1.229 m0.737 m0.755 m
0.834 m0.550 m to 1.219 m0.741 m0.735 m
0.821 m0.523 m to 1.208 m0.741 m0.670 m
0.844 m0.513 m to 1.188 m0.751 m0.694 m
0.751 m0.506 m to 1.168 m0.751 m0.770 m
0.653 m0.503 m to 1.150 m0.756 m0.798 m
0.649 m0.503 m to 1.150 m0.737 m0.659 m
0.699 m0.495 m to 1.150 m0.737 m0.756 m
0.824 m0.491 m to 1.168 m0.733 m0.879 m
0.813 m0.452 m to 1.170 m0.745 m0.828 m
0.682 m0.444 m to 1.156 m0.722 m0.768 m
0.550 m0.433 m to 1.121 m0.719 m0.804 m
0.371 m0.427 m to 1.121 m0.712 m0.843 m
0.757 m0.395 m to 1.106 m0.708 m0.631 m
0.405 m0.390 m to 1.070 m0.708 m0.776 m
0.397 m0.387 m to 1.068 m0.699 m0.768 m
0.686 m0.387 m to 1.068 m0.697 m0.893 m
0.461 m0.387 m to 1.068 m0.695 m0.865 m
0.756 m0.387 m to 1.068 m0.688 m0.688 m
0.831 m0.390 m to 1.050 m0.685 m0.712 m
0.476 m0.372 m to 1.029 m0.680 m0.689 m
0.829 m0.366 m to 1.020 m0.674 m0.830 m
0.848 m0.366 m to 1.019 m0.653 m0.924 m
0.812 m0.365 m to 1.010 m0.653 m0.989 m
0.679 m0.365 m to 0.987 m0.653 m0.959 m
0.629 m0.366 m to 0.973 m0.653 m0.973 m
0.384 m0.380 m to 0.973 m0.654 m0.891 m
0.628 m0.393 m to 0.973 m0.658 m0.485 m
0.793 m0.395 m to 0.987 m0.662 m0.727 m
0.834 m0.416 m to 0.973 m0.662 m0.637 m
0.832 m0.418 m to 0.970 m0.670 m0.849 m
0.805 m0.418 m to 0.960 m0.680 m0.856 m
0.701 m0.425 m to 0.970 m0.694 m0.788 m
0.554 m0.425 m to 0.970 m0.707 m0.785 m
0.393 m0.418 m to 0.973 m0.707 m0.680 m
0.720 m0.425 m to 0.973 m0.722 m0.646 m
0.696 m0.425 m to 0.986 m0.723 m0.740 m
0.824 m0.440 m to 0.992 m0.737 m0.741 m
0.889 m0.454 m to 1.023 m0.739 m0.707 m
0.860 m0.453 m to 1.023 m0.741 m0.732 m
0.666 m0.457 m to 1.029 m0.741 m0.747 m
0.375 m0.453 m to 1.023 m0.740 m0.695 m
0.448 m0.453 m to 1.011 m0.741 m0.793 m
0.824 m0.461 m to 0.991 m0.746 m0.719 m
0.838 m0.461 m to 1.002 m0.746 m0.797 m
0.745 m0.458 m to 1.002 m0.747 m0.780 m
0.507 m0.453 m to 0.990 m0.747 m0.800 m
0.381 m0.453 m to 0.980 m0.752 m0.836 m
0.811 m0.453 m to 0.976 m0.752 m0.631 m
0.730 m0.453 m to 0.982 m0.760 m0.752 m
0.410 m0.456 m to 0.976 m0.752 m0.822 m
0.830 m0.461 m to 0.939 m0.752 m0.845 m
0.798 m0.457 m to 0.938 m0.752 m0.727 m
0.654 m0.456 m to 0.951 m0.752 m0.724 m
0.587 m0.456 m to 0.992 m0.754 m0.854 m
0.715 m0.428 m to 0.998 m0.758 m0.587 m
0.908 m0.439 m to 0.998 m0.760 m0.862 m
0.622 m0.457 m to 0.998 m0.760 m0.839 m
0.928 m0.456 m to 0.998 m0.761 m0.839 m
0.691 m0.457 m to 0.992 m0.754 m0.924 m
0.772 m0.457 m to 0.998 m0.752 m1.680 m
0.773 m0.457 m to 0.998 m0.743 m1.190 m
1.135 m0.443 m to 0.990 m0.743 m1.235 m

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

The last 12 months, against the normal range for each day 0.5 m 1.0 m 1.5 m Lowest 0.125 m 1.135 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 Isère at Grignon 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
1.235 m0.443 m to 0.990 m0.743 m
1.182 m0.443 m to 0.992 m0.752 m
1.031 m0.438 m to 0.994 m0.754 m
1.025 m0.431 m to 0.998 m0.759 m
1.018 m0.431 m to 1.016 m0.759 m
1.386 m0.430 m to 0.998 m0.764 m
0.946 m0.435 m to 0.983 m0.767 m
0.904 m0.443 m to 0.983 m0.767 m
1.189 m0.458 m to 0.968 m0.764 m
0.993 m0.459 m to 0.967 m0.761 m
0.947 m0.452 m to 0.964 m0.763 m
0.765 m0.458 m to 0.969 m0.761 m
0.984 m0.469 m to 0.969 m0.763 m
0.867 m0.480 m to 0.969 m0.759 m
0.824 m0.477 m to 0.981 m0.763 m
0.693 m0.482 m to 0.984 m0.763 m
0.880 m0.498 m to 0.999 m0.761 m
0.767 m0.501 m to 1.027 m0.763 m
0.762 m0.503 m to 1.034 m0.763 m
0.840 m0.503 m to 1.040 m0.764 m
0.558 m0.511 m to 1.091 m0.764 m
0.559 m0.512 m to 1.093 m0.763 m
0.589 m0.512 m to 1.110 m0.765 m
1.086 m0.507 m to 1.127 m0.778 m
1.142 m0.522 m to 1.127 m0.794 m
0.979 m0.545 m to 1.127 m0.804 m
0.963 m0.544 m to 1.141 m0.821 m
0.980 m0.559 m to 1.141 m0.843 m
0.924 m0.577 m to 1.144 m0.861 m
0.898 m0.611 m to 1.145 m0.876 m
1.165 m0.617 m to 1.145 m0.882 m
1.099 m0.614 m to 1.149 m0.884 m
1.073 m0.617 m to 1.150 m0.884 m
0.953 m0.614 m to 1.155 m0.887 m
1.011 m0.617 m to 1.149 m0.886 m
0.915 m0.631 m to 1.106 m0.883 m
1.015 m0.631 m to 1.098 m0.883 m
0.958 m0.631 m to 1.091 m0.883 m
1.003 m0.643 m to 1.091 m0.884 m
1.000 m0.643 m to 1.080 m0.887 m
1.047 m0.649 m to 1.092 m0.892 m
1.028 m0.692 m to 1.092 m0.897 m
0.832 m0.710 m to 1.124 m0.897 m
0.814 m0.711 m to 1.107 m0.893 m
0.919 m0.711 m to 1.119 m0.889 m
0.853 m0.711 m to 1.109 m0.897 m
1.057 m0.714 m to 1.101 m0.899 m
1.022 m0.717 m to 1.090 m0.884 m
1.040 m0.728 m to 1.089 m0.883 m
1.034 m0.720 m to 1.101 m0.882 m
0.915 m0.714 m to 1.119 m0.883 m
1.052 m0.715 m to 1.139 m0.883 m
0.954 m0.713 m to 1.169 m0.886 m
1.020 m0.698 m to 1.177 m0.891 m
0.846 m0.691 m to 1.202 m0.884 m
0.883 m0.682 m to 1.202 m0.879 m
0.735 m0.682 m to 1.202 m0.873 m
0.715 m0.682 m to 1.218 m0.865 m
0.929 m0.679 m to 1.218 m0.873 m
0.882 m0.681 m to 1.218 m0.872 m
0.965 m0.681 m to 1.224 m0.867 m
0.999 mno valueno value
1.002 mno valueno value
0.963 mno valueno value
0.964 mno valueno value
0.898 mno valueno value
1.017 mno valueno value
0.961 mno valueno value
0.924 mno valueno value
0.932 mno valueno value
0.960 mno valueno value
0.950 mno valueno value
1.056 mno valueno value
0.959 mno valueno value
0.801 mno valueno value
1.246 mno valueno value
0.979 mno valueno value
0.971 mno valueno value
0.795 mno valueno value
0.976 mno valueno value
0.934 mno valueno value
0.861 mno valueno value
0.674 mno valueno value
0.813 mno valueno value
0.679 mno valueno value
0.788 mno valueno value
0.936 mno valueno value
1.017 mno valueno value
0.650 mno valueno value
0.958 mno valueno value
0.766 mno valueno value
0.646 mno valueno value
0.704 mno valueno value
0.912 mno valueno value
0.886 mno valueno value
1.015 mno valueno value
1.107 mno valueno value
0.949 mno valueno value
0.884 mno valueno value
0.727 mno valueno value
0.934 mno valueno value
0.856 mno valueno value
0.949 mno valueno value
0.969 mno valueno value
0.721 mno valueno value
0.701 mno valueno value
0.912 mno valueno value
0.906 mno valueno value
0.961 mno valueno value
1.136 mno valueno value
1.184 mno valueno value
1.242 mno valueno value
1.139 mno valueno value
1.110 mno valueno value
1.213 mno valueno value
1.174 mno valueno value
1.047 mno valueno value
1.151 mno valueno value
1.087 mno valueno value
0.913 mno valueno value
1.060 mno valueno value
0.986 mno valueno value
0.952 mno valueno value
1.029 mno valueno value
1.018 mno valueno value
0.978 mno valueno value
0.982 mno valueno value
0.865 mno valueno value
1.102 mno valueno value
1.200 mno valueno value
1.066 mno valueno value
1.107 mno valueno value
1.142 mno valueno value
1.083 mno valueno value
1.115 mno valueno value
1.375 mno valueno value
1.396 mno valueno value
1.168 mno valueno value
1.008 mno valueno value
1.081 mno valueno value
1.106 mno valueno value
1.113 mno valueno value
1.037 mno valueno value
0.938 mno valueno value
0.984 mno valueno value
0.882 mno valueno value
0.976 mno valueno value
1.020 mno valueno value
1.050 mno valueno value
0.935 mno valueno value
0.743 mno valueno value
0.976 mno valueno value
0.958 mno valueno value
0.941 mno valueno value
0.801 mno valueno value
0.686 mno valueno value
0.772 mno valueno value
0.917 mno valueno value
0.980 mno valueno value
0.978 mno valueno value
0.983 mno valueno value
0.877 mno valueno value
0.726 mno valueno value
0.998 mno valueno value
1.064 mno valueno value
1.055 mno valueno value
1.186 mno valueno value
1.192 mno valueno value
1.106 mno valueno value
1.033 mno valueno value
1.143 mno valueno value
1.013 mno valueno value
1.106 mno valueno value
1.083 mno valueno value
1.109 mno valueno value
1.008 mno valueno value
0.955 mno valueno value
1.226 mno valueno value
1.017 mno valueno value
1.015 mno valueno value
0.870 mno valueno value
0.972 mno valueno value
1.011 mno valueno value
1.065 mno valueno value
1.098 mno valueno value
1.189 mno valueno value
1.030 mno valueno value
1.184 mno valueno value
1.146 mno valueno value
1.128 mno valueno value
1.173 mno valueno value
1.147 mno valueno value
1.150 mno valueno value
1.093 mno valueno value
1.038 mno valueno value
1.035 mno valueno value
0.879 mno valueno value
0.857 mno valueno value
1.263 mno valueno value
1.326 mno valueno value
0.902 mno valueno value
1.053 mno valueno value
0.950 mno valueno value
0.969 mno valueno value
0.928 mno valueno value
0.992 mno valueno value
0.969 mno valueno value
0.952 mno valueno value
0.944 mno valueno value
0.958 mno valueno value
1.060 mno valueno value
0.984 mno valueno value
1.101 mno valueno value
1.249 mno valueno value
1.551 mno valueno value
1.598 mno valueno value
1.698 mno valueno value
1.624 mno valueno value
1.553 mno valueno value
1.488 mno valueno value
1.716 mno valueno value
1.753 mno valueno value
1.437 mno valueno value
1.404 mno valueno value
1.149 mno valueno value
1.292 mno valueno value
1.147 mno valueno value
1.165 mno valueno value
1.139 mno valueno value
1.059 mno valueno value
1.019 mno valueno value
0.778 mno valueno value
0.872 mno valueno value
0.923 mno valueno value
0.932 mno valueno value
0.933 m0.776 m to 1.601 m1.101 m
0.920 m0.776 m to 1.587 m1.084 m
0.836 m0.773 m to 1.500 m1.070 m
0.751 m0.776 m to 1.461 m1.060 m
0.927 m0.776 m to 1.459 m1.060 m
0.940 m0.774 m to 1.427 m1.060 m
0.931 m0.776 m to 1.383 m1.055 m
1.128 m0.774 m to 1.347 m1.040 m
0.935 m0.774 m to 1.320 m1.025 m
1.207 m0.774 m to 1.314 m1.015 m
1.220 m0.770 m to 1.260 m0.965 m
0.923 m0.766 m to 1.230 m0.933 m
1.305 m0.719 m to 1.220 m0.926 m
1.185 m0.702 m to 1.219 m0.911 m
0.982 m0.665 m to 1.210 m0.904 m
0.842 m0.655 m to 1.210 m0.902 m
0.857 m0.570 m to 1.210 m0.901 m
0.719 m0.564 m to 1.209 m0.879 m
0.823 m0.552 m to 1.210 m0.871 m
0.789 m0.540 m to 1.210 m0.857 m
0.837 m0.525 m to 1.190 m0.839 m
0.821 m0.508 m to 1.180 m0.826 m
0.851 m0.487 m to 1.169 m0.815 m
0.871 m0.487 m to 1.156 m0.794 m
0.751 m0.454 m to 1.137 m0.779 m
0.749 m0.452 m to 1.156 m0.769 m
0.848 m0.450 m to 1.156 m0.764 m
0.858 m0.452 m to 1.156 m0.769 m
0.858 m0.452 m to 1.118 m0.766 m
0.894 m0.466 m to 1.096 m0.772 m
1.018 m0.508 m to 1.090 m0.764 m
0.772 m0.508 m to 1.090 m0.766 m
0.773 m0.511 m to 1.096 m0.772 m
0.818 m0.516 m to 1.089 m0.760 m
0.843 m0.528 m to 1.089 m0.758 m
0.845 m0.528 m to 1.090 m0.756 m
0.685 m0.528 m to 1.081 m0.756 m
0.810 m0.528 m to 1.080 m0.756 m
0.789 m0.528 m to 1.080 m0.755 m
0.546 m0.545 m to 1.080 m0.755 m
0.789 m0.558 m to 1.080 m0.755 m
0.853 m0.558 m to 1.080 m0.755 m
0.731 m0.539 m to 1.080 m0.745 m
0.822 m0.513 m to 1.080 m0.737 m
0.832 m0.513 m to 1.079 m0.733 m
0.794 m0.498 m to 1.067 m0.729 m
0.790 m0.494 m to 1.142 m0.712 m
0.773 m0.486 m to 1.139 m0.711 m
0.894 m0.486 m to 1.139 m0.707 m
0.803 m0.481 m to 1.134 m0.706 m
0.917 m0.486 m to 1.159 m0.698 m
0.808 m0.494 m to 1.219 m0.698 m
0.807 m0.494 m to 1.220 m0.702 m
0.827 m0.494 m to 1.239 m0.702 m
0.830 m0.494 m to 1.267 m0.706 m
0.842 m0.494 m to 1.260 m0.707 m
0.813 m0.494 m to 1.260 m0.706 m
0.851 m0.495 m to 1.260 m0.708 m
0.905 m0.524 m to 1.267 m0.709 m
0.794 m0.540 m to 1.260 m0.714 m
0.930 m0.560 m to 1.256 m0.714 m
0.932 m0.571 m to 1.249 m0.725 m
0.894 m0.566 m to 1.249 m0.716 m
0.777 m0.567 m to 1.249 m0.725 m
0.888 m0.564 m to 1.240 m0.724 m
0.893 m0.564 m to 1.239 m0.725 m
0.499 m0.577 m to 1.239 m0.733 m
0.500 m0.577 m to 1.239 m0.728 m
0.545 m0.577 m to 1.229 m0.737 m
0.834 m0.550 m to 1.219 m0.741 m
0.821 m0.523 m to 1.208 m0.741 m
0.844 m0.513 m to 1.188 m0.751 m
0.751 m0.506 m to 1.168 m0.751 m
0.653 m0.503 m to 1.150 m0.756 m
0.649 m0.503 m to 1.150 m0.737 m
0.699 m0.495 m to 1.150 m0.737 m
0.824 m0.491 m to 1.168 m0.733 m
0.813 m0.452 m to 1.170 m0.745 m
0.682 m0.444 m to 1.156 m0.722 m
0.550 m0.433 m to 1.121 m0.719 m
0.371 m0.427 m to 1.121 m0.712 m
0.757 m0.395 m to 1.106 m0.708 m
0.405 m0.390 m to 1.070 m0.708 m
0.397 m0.387 m to 1.068 m0.699 m
0.686 m0.387 m to 1.068 m0.697 m
0.461 m0.387 m to 1.068 m0.695 m
0.756 m0.387 m to 1.068 m0.688 m
0.831 m0.390 m to 1.050 m0.685 m
0.476 m0.372 m to 1.029 m0.680 m
0.829 m0.366 m to 1.020 m0.674 m
0.848 m0.366 m to 1.019 m0.653 m
0.812 m0.365 m to 1.010 m0.653 m
0.679 m0.365 m to 0.987 m0.653 m
0.629 m0.366 m to 0.973 m0.653 m
0.384 m0.380 m to 0.973 m0.654 m
0.628 m0.393 m to 0.973 m0.658 m
0.793 m0.395 m to 0.987 m0.662 m
0.834 m0.416 m to 0.973 m0.662 m
0.832 m0.418 m to 0.970 m0.670 m
0.805 m0.418 m to 0.960 m0.680 m
0.701 m0.425 m to 0.970 m0.694 m
0.554 m0.425 m to 0.970 m0.707 m
0.393 m0.418 m to 0.973 m0.707 m
0.720 m0.425 m to 0.973 m0.722 m
0.696 m0.425 m to 0.986 m0.723 m
0.824 m0.440 m to 0.992 m0.737 m
0.889 m0.454 m to 1.023 m0.739 m
0.860 m0.453 m to 1.023 m0.741 m
0.666 m0.457 m to 1.029 m0.741 m
0.375 m0.453 m to 1.023 m0.740 m
0.448 m0.453 m to 1.011 m0.741 m
0.824 m0.461 m to 0.991 m0.746 m
0.838 m0.461 m to 1.002 m0.746 m
0.745 m0.458 m to 1.002 m0.747 m
0.507 m0.453 m to 0.990 m0.747 m
0.381 m0.453 m to 0.980 m0.752 m
0.811 m0.453 m to 0.976 m0.752 m
0.730 m0.453 m to 0.982 m0.760 m
0.410 m0.456 m to 0.976 m0.752 m
0.830 m0.461 m to 0.939 m0.752 m
0.798 m0.457 m to 0.938 m0.752 m
0.654 m0.456 m to 0.951 m0.752 m
0.587 m0.456 m to 0.992 m0.754 m
0.715 m0.428 m to 0.998 m0.758 m
0.908 m0.439 m to 0.998 m0.760 m
0.622 m0.457 m to 0.998 m0.760 m
0.928 m0.456 m to 0.998 m0.761 m
0.691 m0.457 m to 0.992 m0.754 m
0.772 m0.457 m to 0.998 m0.752 m
0.773 m0.457 m to 0.998 m0.743 m
1.135 m0.443 m to 0.990 m0.743 m

The last 10 years, weekly averages

The last 10 years, weekly averages 0.5 m 1.0 m 1.5 m Lowest 0.125 m 0.833 m
  • Level
  • Our record
Weekly averages of the Isère at Grignon 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)
0.560 m
0.547 m
0.665 m
0.689 m
0.686 m
0.710 m
0.708 m
0.752 m
0.886 m
0.808 m
0.816 m
0.824 m
0.867 m
0.740 m
0.669 m
0.786 m
0.576 m
0.771 m
0.822 m
0.874 m
0.918 m
0.914 m
0.776 m
0.802 m
0.781 m
0.684 m
0.733 m
0.830 m
0.897 m
0.833 m
1.037 m
1.243 m
0.929 m
0.896 m
0.742 m
0.637 m
0.583 m
0.552 m
0.567 m
0.653 m
0.561 m
0.637 m
0.715 m
0.826 m
0.869 m
0.745 m
0.810 m
0.737 m
0.769 m
0.836 m
0.850 m
0.774 m
0.819 m
0.786 m
0.900 m
0.967 m
0.868 m
0.931 m
0.883 m
0.892 m
0.735 m
0.796 m
1.433 m
1.067 m
1.080 m
1.190 m
0.970 m
0.897 m
0.974 m
0.910 m
0.906 m
0.768 m
0.900 m
0.975 m
0.930 m
0.957 m
1.063 m
1.227 m
1.317 m
1.266 m
1.685 m
1.188 m
1.388 m
1.675 m
1.417 m
1.327 m
1.115 m
0.794 m
0.841 m
0.840 m
0.809 m
0.732 m
0.691 m
0.612 m
0.590 m
0.640 m
0.567 m
0.457 m
0.420 m
0.482 m
0.484 m
0.574 m
0.537 m
0.487 m
0.533 m
0.560 m
0.568 m
0.705 m
0.728 m
0.558 m
1.033 m
0.932 m
0.975 m
0.821 m
0.739 m
0.784 m
0.904 m
0.845 m
0.812 m
0.811 m
0.851 m
0.805 m
0.912 m
0.938 m
0.928 m
0.951 m
0.879 m
0.984 m
0.862 m
0.836 m
0.877 m
0.809 m
1.180 m
0.871 m
0.985 m
0.913 m
1.411 m
1.565 m
1.102 m
1.110 m
0.959 m
0.637 m
0.586 m
0.782 m
0.521 m
0.581 m
0.600 m
0.627 m
0.569 m
0.490 m
0.362 m
0.421 m
0.473 m
0.391 m
0.447 m
0.549 m
0.545 m
0.602 m
0.879 m
0.594 m
0.664 m
1.005 m
0.927 m
1.005 m
1.067 m
1.066 m
0.741 m
0.801 m
0.865 m
0.882 m
1.030 m
1.184 m
1.034 m
0.900 m
0.908 m
1.366 m
1.318 m
1.047 m
1.114 m
0.997 m
1.068 m
1.017 m
1.112 m
1.501 m
1.373 m
1.336 m
1.441 m
1.277 m
1.296 m
1.152 m
1.076 m
1.059 m
1.125 m
1.053 m
0.889 m
0.690 m
0.751 m
0.757 m
0.769 m
0.772 m
0.829 m
0.695 m
0.665 m
0.584 m
0.667 m
0.871 m
0.843 m
0.815 m
0.769 m
0.796 m
0.806 m
0.711 m
0.754 m
0.829 m
0.889 m
0.930 m
0.843 m
0.752 m
0.863 m
0.950 m
0.926 m
0.906 m
1.201 m
1.247 m
1.110 m
0.966 m
0.961 m
1.027 m
0.929 m
0.925 m
0.912 m
0.908 m
0.986 m
0.918 m
0.626 m
0.903 m
1.403 m
1.356 m
1.243 m
1.007 m
1.242 m
1.346 m
1.699 m
1.157 m
1.004 m
1.042 m
1.305 m
1.084 m
1.058 m
1.418 m
1.283 m
1.253 m
1.170 m
1.030 m
1.043 m
1.025 m
0.994 m
0.907 m
0.973 m
0.819 m
0.804 m
0.764 m
0.881 m
0.959 m
1.161 m
1.098 m
1.026 m
0.988 m
1.062 m
1.042 m
1.483 m
1.060 m
1.167 m
1.075 m
1.198 m
0.924 m
0.879 m
0.812 m
0.840 m
0.829 m
0.797 m
0.882 m
0.856 m
0.964 m
1.145 m
0.989 m
0.965 m
0.927 m
0.943 m
0.973 m
1.329 m
0.949 m
0.849 m
0.733 m
0.786 m
0.782 m
0.805 m
0.771 m
0.828 m
0.794 m
0.667 m
0.596 m
0.600 m
0.620 m
0.623 m
0.677 m
0.667 m
0.454 m
0.477 m
0.913 m
0.582 m
0.490 m
0.630 m
0.709 m
0.591 m
0.616 m
0.719 m
0.819 m
0.820 m
0.890 m
0.990 m
1.194 m
0.968 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
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
0.787 m
1.124 m
1.270 m
1.522 m
1.072 m
0.975 m
0.948 m
0.947 m
1.045 m
0.994 m
0.994 m
0.972 m
1.076 m
0.964 m
1.016 m
1.028 m
1.038 m
0.827 m
0.676 m
0.845 m
0.769 m
0.775 m
1.016 m
1.172 m
1.141 m
1.383 m
1.049 m
1.096 m
1.063 m
0.793 m
0.819 m
0.861 m
0.727 m
0.812 m
0.762 m
0.757 m
0.839 m
1.021 m
0.674 m
1.003 m
0.995 m
1.159 m
1.009 m
0.922 m
0.802 m
0.817 m
0.852 m
0.997 m
1.003 m
0.995 m
0.986 m
0.905 m
0.927 m
0.890 m
1.211 m
1.213 m
0.935 m
1.074 m
1.125 m
1.032 m
0.915 m
0.842 m
0.851 m
0.928 m
0.912 m
0.902 m
0.858 m
0.857 m
0.948 m
0.882 m
1.027 m
1.063 m
0.823 m
0.859 m
0.810 m
1.319 m
0.908 m
0.860 m
0.853 m
0.772 m
0.740 m
0.726 m
0.784 m
0.748 m
0.699 m
0.694 m
0.696 m
0.726 m
0.790 m
0.778 m
0.850 m
0.749 m
0.736 m
0.759 m
0.774 m
1.127 m
1.071 m
0.868 m
0.708 m
0.996 m
1.033 m
0.955 m
0.977 m
0.886 m
0.958 m
0.949 m
0.972 m
0.818 m
0.811 m
0.926 m
0.863 m
1.097 m
1.092 m
0.973 m
1.116 m
1.178 m
0.984 m
0.863 m
0.890 m
1.091 m
1.060 m
1.025 m
1.135 m
1.028 m
1.056 m
0.980 m
1.482 m
1.463 m
1.026 m
0.889 m
1.041 m
0.959 m
0.810 m
0.860 m
0.762 m
0.802 m
0.833 m
0.852 m
0.769 m
0.728 m
0.671 m
0.573 m
0.687 m
0.702 m
0.719 m
0.651 m
0.675 m
0.833 m

The whole record since 2015, weekly averages

The whole record since 2015, weekly averages 0.5 m 1.0 m 1.5 m Lowest 0.125 m 0.833 m
  • Level
  • Our record
Weekly averages of the Isère at Grignon from 13 June 2015 to 25 October 2026.
Table: The whole record since 2015, weekly averages
Week startingWeekly average of daily highs (m)
no value
1.132 m
1.149 m
0.924 m
0.372 m
0.387 m
0.747 m
0.881 m
0.501 m
1.173 m
1.242 m
1.233 m
1.191 m
0.855 m
0.602 m
0.662 m
0.610 m
0.766 m
0.728 m
0.719 m
0.710 m
0.717 m
0.617 m
1.048 m
0.806 m
0.739 m
0.762 m
0.741 m
0.771 m
0.879 m
1.055 m
1.115 m
0.988 m
0.898 m
0.811 m
0.923 m
0.922 m
0.977 m
0.890 m
0.800 m
0.777 m
0.808 m
0.972 m
1.038 m
1.060 m
0.994 m
1.071 m
0.898 m
1.126 m
0.942 m
1.101 m
1.317 m
1.271 m
1.409 m
1.246 m
1.100 m
0.911 m
0.849 m
0.898 m
0.794 m
0.873 m
0.715 m
0.677 m
0.581 m
0.602 m
0.583 m
0.602 m
0.655 m
0.683 m
0.617 m
0.696 m
0.680 m
0.560 m
0.547 m
0.665 m
0.689 m
0.686 m
0.710 m
0.708 m
0.752 m
0.886 m
0.808 m
0.816 m
0.824 m
0.867 m
0.740 m
0.669 m
0.786 m
0.576 m
0.771 m
0.822 m
0.874 m
0.918 m
0.914 m
0.776 m
0.802 m
0.781 m
0.684 m
0.733 m
0.830 m
0.897 m
0.833 m
1.037 m
1.243 m
0.929 m
0.896 m
0.742 m
0.637 m
0.583 m
0.552 m
0.567 m
0.653 m
0.561 m
0.637 m
0.715 m
0.826 m
0.869 m
0.745 m
0.810 m
0.737 m
0.769 m
0.836 m
0.850 m
0.774 m
0.819 m
0.786 m
0.900 m
0.967 m
0.868 m
0.931 m
0.883 m
0.892 m
0.735 m
0.796 m
1.433 m
1.067 m
1.080 m
1.190 m
0.970 m
0.897 m
0.974 m
0.910 m
0.906 m
0.768 m
0.900 m
0.975 m
0.930 m
0.957 m
1.063 m
1.227 m
1.317 m
1.266 m
1.685 m
1.188 m
1.388 m
1.675 m
1.417 m
1.327 m
1.115 m
0.794 m
0.841 m
0.840 m
0.809 m
0.732 m
0.691 m
0.612 m
0.590 m
0.640 m
0.567 m
0.457 m
0.420 m
0.482 m
0.484 m
0.574 m
0.537 m
0.487 m
0.533 m
0.560 m
0.568 m
0.705 m
0.728 m
0.558 m
1.033 m
0.932 m
0.975 m
0.821 m
0.739 m
0.784 m
0.904 m
0.845 m
0.812 m
0.811 m
0.851 m
0.805 m
0.912 m
0.938 m
0.928 m
0.951 m
0.879 m
0.984 m
0.862 m
0.836 m
0.877 m
0.809 m
1.180 m
0.871 m
0.985 m
0.913 m
1.411 m
1.565 m
1.102 m
1.110 m
0.959 m
0.637 m
0.586 m
0.782 m
0.521 m
0.581 m
0.600 m
0.627 m
0.569 m
0.490 m
0.362 m
0.421 m
0.473 m
0.391 m
0.447 m
0.549 m
0.545 m
0.602 m
0.879 m
0.594 m
0.664 m
1.005 m
0.927 m
1.005 m
1.067 m
1.066 m
0.741 m
0.801 m
0.865 m
0.882 m
1.030 m
1.184 m
1.034 m
0.900 m
0.908 m
1.366 m
1.318 m
1.047 m
1.114 m
0.997 m
1.068 m
1.017 m
1.112 m
1.501 m
1.373 m
1.336 m
1.441 m
1.277 m
1.296 m
1.152 m
1.076 m
1.059 m
1.125 m
1.053 m
0.889 m
0.690 m
0.751 m
0.757 m
0.769 m
0.772 m
0.829 m
0.695 m
0.665 m
0.584 m
0.667 m
0.871 m
0.843 m
0.815 m
0.769 m
0.796 m
0.806 m
0.711 m
0.754 m
0.829 m
0.889 m
0.930 m
0.843 m
0.752 m
0.863 m
0.950 m
0.926 m
0.906 m
1.201 m
1.247 m
1.110 m
0.966 m
0.961 m
1.027 m
0.929 m
0.925 m
0.912 m
0.908 m
0.986 m
0.918 m
0.626 m
0.903 m
1.403 m
1.356 m
1.243 m
1.007 m
1.242 m
1.346 m
1.699 m
1.157 m
1.004 m
1.042 m
1.305 m
1.084 m
1.058 m
1.418 m
1.283 m
1.253 m
1.170 m
1.030 m
1.043 m
1.025 m
0.994 m
0.907 m
0.973 m
0.819 m
0.804 m
0.764 m
0.881 m
0.959 m
1.161 m
1.098 m
1.026 m
0.988 m
1.062 m
1.042 m
1.483 m
1.060 m
1.167 m
1.075 m
1.198 m
0.924 m
0.879 m
0.812 m
0.840 m
0.829 m
0.797 m
0.882 m
0.856 m
0.964 m
1.145 m
0.989 m
0.965 m
0.927 m
0.943 m
0.973 m
1.329 m
0.949 m
0.849 m
0.733 m
0.786 m
0.782 m
0.805 m
0.771 m
0.828 m
0.794 m
0.667 m
0.596 m
0.600 m
0.620 m
0.623 m
0.677 m
0.667 m
0.454 m
0.477 m
0.913 m
0.582 m
0.490 m
0.630 m
0.709 m
0.591 m
0.616 m
0.719 m
0.819 m
0.820 m
0.890 m
0.990 m
1.194 m
0.968 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
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
no value
0.787 m
1.124 m
1.270 m
1.522 m
1.072 m
0.975 m
0.948 m
0.947 m
1.045 m
0.994 m
0.994 m
0.972 m
1.076 m
0.964 m
1.016 m
1.028 m
1.038 m
0.827 m
0.676 m
0.845 m
0.769 m
0.775 m
1.016 m
1.172 m
1.141 m
1.383 m
1.049 m
1.096 m
1.063 m
0.793 m
0.819 m
0.861 m
0.727 m
0.812 m
0.762 m
0.757 m
0.839 m
1.021 m
0.674 m
1.003 m
0.995 m
1.159 m
1.009 m
0.922 m
0.802 m
0.817 m
0.852 m
0.997 m
1.003 m
0.995 m
0.986 m
0.905 m
0.927 m
0.890 m
1.211 m
1.213 m
0.935 m
1.074 m
1.125 m
1.032 m
0.915 m
0.842 m
0.851 m
0.928 m
0.912 m
0.902 m
0.858 m
0.857 m
0.948 m
0.882 m
1.027 m
1.063 m
0.823 m
0.859 m
0.810 m
1.319 m
0.908 m
0.860 m
0.853 m
0.772 m
0.740 m
0.726 m
0.784 m
0.748 m
0.699 m
0.694 m
0.696 m
0.726 m
0.790 m
0.778 m
0.850 m
0.749 m
0.736 m
0.759 m
0.774 m
1.127 m
1.071 m
0.868 m
0.708 m
0.996 m
1.033 m
0.955 m
0.977 m
0.886 m
0.958 m
0.949 m
0.972 m
0.818 m
0.811 m
0.926 m
0.863 m
1.097 m
1.092 m
0.973 m
1.116 m
1.178 m
0.984 m
0.863 m
0.890 m
1.091 m
1.060 m
1.025 m
1.135 m
1.028 m
1.056 m
0.980 m
1.482 m
1.463 m
1.026 m
0.889 m
1.041 m
0.959 m
0.810 m
0.860 m
0.762 m
0.802 m
0.833 m
0.852 m
0.769 m
0.728 m
0.671 m
0.573 m
0.687 m
0.702 m
0.719 m
0.651 m
0.675 m
0.833 m

How this compares

  • So far in 2026 the daily high was below the normal range on 10 of 298 days, the seventh most of the 12 years since 2015.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
1.235 m
0.901 m
no value
1.143 m
0.765 m
0.879 m
0.397 m
0.397 m
0.872 m
0.686 m

Year by year

The lowest and highest daily high of each year

The lowest and highest daily high of each year 1 m 2 m Highest 2.23 m, 2018
  • Each year, lowest to highest
  • The year so far
  • Highest in our series
The lowest and highest daily high of the Isère at Grignon in each year from 2016 to 2025 with a value on at least 300 days, and in 2026 so far. The highest daily high in our series since 13 June 2015 was 2.23 m, on 4 January 2018.
Table: The lowest and highest daily high of each year
YearLowest daily high (m)DayHighest daily high (m)DayDays with a value
0.308 m1.63 m366
0.344 m1.44 m363
0.336 m2.23 m365
0.327 m2.13 m362
0.361 m2.08 m365
0.532 m2.08 m365
0.28 m2.215 m364
0.46 m2.054 m366
0.485 m1.68 m365
so far, provisional0.371 m1.753 m298

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

Each year from January to December, weekly averages of daily highs 0.5 m 1.0 m 1.5 m 2018, highest day 2026 so far
  • The year so far
  • , 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 Isère at Grignon in each year from 2015 to 2025 with a value in at least 26 weeks, and in 2026 so far, on one axis from January to December, with the normal range for each week. The highest daily high in our series since 13 June 2015 was 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 Weekly average of daily highs (m), highest day Weekly average of daily highs (m)Normal range (m)
to 0.940 m1.433 mno value
to 0.966 m1.067 mno value
to 0.794 m1.080 mno value
to 0.841 m1.190 mno value
to 0.915 m0.970 mno value
to 0.901 m0.897 mno value
to 1.158 m0.974 mno value
to 1.025 m0.910 mno value
to 1.030 m0.906 mno value
to 1.198 m0.768 mno value
to 1.038 m0.900 mno value
to 0.940 m0.975 mno value
to 0.865 m0.930 mno value
to 0.954 m0.957 mno value
to 1.111 m1.063 mno value
to 1.059 m1.227 mno value
to 1.034 m1.317 mno value
to 1.146 m1.266 mno value
to 1.043 m1.685 mno value
to 0.973 m1.188 mno value
to 1.121 m1.388 mno value
to 1.633 m1.675 mno value
to 1.248 m1.417 mno value
to 0.931 m1.327 mno value
to 0.919 m1.115 m0.776 m to 1.459 m
to 1.108 m0.794 m0.766 m to 1.230 m
to 0.813 m0.841 m0.552 m to 1.210 m
to 0.827 m0.840 m0.452 m to 1.156 m
to 0.852 m0.809 m0.511 m to 1.096 m
to 0.743 m0.732 m0.545 m to 1.080 m
to 0.815 m0.691 m0.494 m to 1.142 m
to 0.835 m0.612 m0.494 m to 1.239 m
to 0.869 m0.590 m0.560 m to 1.256 m
to 0.711 m0.640 m0.577 m to 1.239 m
to 0.748 m0.567 m0.503 m to 1.150 m
to 0.550 m0.457 m0.395 m to 1.106 m
to 0.716 m0.420 m0.372 m to 1.029 m
to 0.683 m0.482 m0.393 m to 0.973 m
to 0.670 m0.484 m0.418 m to 0.973 m
to 0.700 m0.574 m0.453 m to 1.023 m
to 0.631 m0.537 m0.453 m to 0.976 m
to 0.745 m0.487 m0.428 m to 0.998 m
to no value0.533 m0.443 m to 0.990 m
to no value0.560 m0.443 m to 0.983 m
to no value0.568 m0.477 m to 0.981 m
to no value0.705 m0.512 m to 1.093 m
to no value0.728 m0.577 m to 1.144 m
to no value0.558 m0.631 m to 1.106 m
to no value1.033 m0.710 m to 1.124 m
to no value0.932 m0.720 m to 1.101 m
to no value0.975 m0.682 m to 1.202 m
to no value0.823 mno value
Every year
YearDays with a valueDays below the normal range
to 29810
3650
3661
70
36424
3650
3652
36240
36535
36330
36627
20225

Records

  • Highest daily high in our series since 13 June 2015: 2.23 m on 4 January 2018.
  • Lowest daily high in our series since 13 June 2015: 0.125 m on 9 August 2015. Provisional data.

Also on this water

About this gauge

Grignon is a gauge on the Isère in Savoie, France.

It lies at 45.6582° N, 6.3862° 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 13 June 2015.

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 above the normal range for the date, in the highest 10 percent of the daily highs of these dates in the 10 years between 2015 and 2025.

The normal range for 25 October is 0.44 m to 0.99 m: the 10th to 90th percentile of the daily highs from 18 October to 1 November in 10 years between 2015 and 2025.

Keep exploring

Sources