Hâvre water level at Mésanger today

Is the Hâvre unusually low at Mésanger?

The Hâvre at Mésanger read 0.769 m at 16:00 CET on 26 October 2026.

NowHistoryThis dateBy year

Level now

in the lowest 5 percent for the date

0.769 m

16:00 CET on 26 October 2026Provisional

in the lowest 5 percent for the date

The normal range for 26 October is 0.91 m to 1.08 m: the 10th to 90th percentile of the daily highs from 19 October to 2 November in 30 years between 1973 and 2025.

Table: where the water stands

Level	Value
Newest reading	0.769 m, 16:00 CET on 26 October 2026
Normal range for the date	0.91 m to 1.08 m
Median for the date	1.00 m

Past day: -0.037 m
Past week: -0.009 m

The gauge reads the height of the water above a fixed zero, not the depth of the river. Its zero lies at 11 m above NGF 1884 (the former French sea-level datum, Lallemand).

Level history

in the lowest 10 percent for the date

On 25 October 2026 the Hâvre at Mésanger averaged 0.834 m.

Three monthsOne yearTen yearsAll time

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

Level
Below the normal range
Normal range for the date
Median for the date
A year earlier

Daily highs of the Hâvre at Mésanger 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

Day	Daily high (m)	Normal range	Median	A year earlier
28 July 2026	0.784 m	0.831 m to 1.000 m	0.960 m	0.869 m
29 July 2026	0.786 m	0.828 m to 0.999 m	0.961 m	0.861 m
30 July 2026	0.781 m	0.819 m to 0.999 m	0.960 m	0.858 m
31 July 2026	0.781 m	0.800 m to 0.998 m	0.960 m	0.856 m
1 August 2026	0.778 m	0.800 m to 0.997 m	0.960 m	0.855 m
2 August 2026	0.778 m	0.800 m to 0.996 m	0.960 m	0.847 m
3 August 2026	0.786 m	0.800 m to 0.996 m	0.960 m	0.840 m
4 August 2026	0.784 m	0.800 m to 0.995 m	0.960 m	0.831 m
5 August 2026	0.780 m	0.800 m to 0.994 m	0.960 m	0.820 m
6 August 2026	0.778 m	0.788 m to 0.994 m	0.960 m	0.806 m
7 August 2026	0.778 m	0.787 m to 0.994 m	0.960 m	0.789 m
8 August 2026	0.786 m	0.787 m to 0.994 m	0.960 m	0.780 m
9 August 2026	0.784 m	0.787 m to 0.994 m	0.960 m	0.780 m
10 August 2026	0.784 m	0.787 m to 0.994 m	0.959 m	0.780 m
11 August 2026	0.786 m	0.780 m to 0.993 m	0.956 m	0.780 m
12 August 2026	0.786 m	0.780 m to 0.990 m	0.954 m	0.780 m
13 August 2026	0.787 m	0.780 m to 0.990 m	0.953 m	0.780 m
14 August 2026	0.784 m	0.780 m to 0.991 m	0.950 m	0.780 m
15 August 2026	0.782 m	0.780 m to 0.991 m	0.950 m	0.780 m
16 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m	0.780 m
17 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m	0.780 m
18 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m	0.780 m
19 August 2026	0.781 m	0.780 m to 0.993 m	0.950 m	0.780 m
20 August 2026	0.778 m	0.780 m to 0.993 m	0.950 m	0.780 m
21 August 2026	0.793 m	0.780 m to 0.994 m	0.950 m	0.780 m
22 August 2026	0.780 m	0.780 m to 0.994 m	0.949 m	0.780 m
23 August 2026	0.779 m	0.784 m to 0.994 m	0.948 m	0.780 m
24 August 2026	0.780 m	0.787 m to 0.994 m	0.947 m	0.780 m
25 August 2026	0.781 m	0.788 m to 0.995 m	0.946 m	0.780 m
26 August 2026	0.826 m	0.788 m to 0.995 m	0.945 m	0.780 m
27 August 2026	0.783 m	0.788 m to 0.995 m	0.946 m	0.780 m
28 August 2026	0.841 m	0.788 m to 0.995 m	0.947 m	0.780 m
29 August 2026	0.807 m	0.788 m to 0.995 m	0.947 m	0.780 m
30 August 2026	0.778 m	0.788 m to 0.996 m	0.944 m	0.780 m
31 August 2026	0.779 m	0.789 m to 0.995 m	0.945 m	0.780 m
1 September 2026	0.778 m	0.789 m to 0.995 m	0.944 m	0.779 m
2 September 2026	0.778 m	0.788 m to 0.995 m	0.944 m	0.912 m
3 September 2026	0.781 m	0.788 m to 0.995 m	0.945 m	0.960 m
4 September 2026	0.781 m	0.788 m to 0.996 m	0.945 m	1.006 m
5 September 2026	0.780 m	0.788 m to 0.996 m	0.945 m	0.907 m
6 September 2026	0.784 m	0.788 m to 0.997 m	0.946 m	0.877 m
7 September 2026	0.781 m	0.788 m to 1.000 m	0.948 m	0.860 m
8 September 2026	0.778 m	0.789 m to 1.000 m	0.948 m	0.851 m
9 September 2026	0.778 m	0.789 m to 1.000 m	0.949 m	0.845 m
10 September 2026	0.778 m	0.789 m to 1.000 m	0.950 m	0.841 m
11 September 2026	0.780 m	0.789 m to 1.000 m	0.951 m	0.841 m
12 September 2026	0.781 m	0.788 m to 1.000 m	0.956 m	0.848 m
13 September 2026	0.783 m	0.788 m to 1.000 m	0.959 m	0.849 m
14 September 2026	0.783 m	0.788 m to 1.010 m	0.960 m	0.846 m
15 September 2026	0.784 m	0.788 m to 1.014 m	0.960 m	0.865 m
16 September 2026	0.778 m	0.787 m to 1.018 m	0.960 m	0.860 m
17 September 2026	0.780 m	0.787 m to 1.016 m	0.960 m	0.855 m
18 September 2026	0.778 m	0.788 m to 1.019 m	0.960 m	0.850 m
19 September 2026	0.780 m	0.788 m to 1.020 m	0.963 m	0.845 m
20 September 2026	0.782 m	0.787 m to 1.020 m	0.966 m	0.839 m
21 September 2026	0.781 m	0.787 m to 1.024 m	0.968 m	0.838 m
22 September 2026	0.781 m	0.788 m to 1.025 m	0.970 m	0.857 m
23 September 2026	0.784 m	0.788 m to 1.024 m	0.971 m	0.944 m
24 September 2026	0.784 m	0.788 m to 1.024 m	0.973 m	0.940 m
25 September 2026	0.786 m	0.788 m to 1.024 m	0.975 m	0.885 m
26 September 2026	0.780 m	0.788 m to 1.023 m	0.977 m	0.848 m
27 September 2026	0.783 m	0.788 m to 1.023 m	0.978 m	0.839 m
28 September 2026	0.780 m	0.788 m to 1.025 m	0.980 m	0.835 m
29 September 2026	0.784 m	0.788 m to 1.024 m	0.980 m	0.830 m
30 September 2026	0.781 m	0.788 m to 1.026 m	0.980 m	0.829 m
1 October 2026	0.778 m	0.788 m to 1.028 m	0.980 m	0.827 m
2 October 2026	0.778 m	0.788 m to 1.030 m	0.980 m	0.824 m
3 October 2026	0.778 m	0.788 m to 1.032 m	0.980 m	0.827 m
4 October 2026	0.778 m	0.788 m to 1.032 m	0.980 m	0.830 m
5 October 2026	0.784 m	0.788 m to 1.030 m	0.980 m	0.826 m
6 October 2026	0.796 m	0.789 m to 1.031 m	0.980 m	0.826 m
7 October 2026	0.829 m	0.792 m to 1.040 m	0.980 m	0.822 m
8 October 2026	0.778 m	0.798 m to 1.045 m	0.980 m	0.884 m
9 October 2026	0.780 m	0.800 m to 1.055 m	0.981 m	0.928 m
10 October 2026	0.780 m	0.800 m to 1.060 m	0.982 m	0.908 m
11 October 2026	0.780 m	0.800 m to 1.060 m	0.982 m	0.909 m
12 October 2026	0.781 m	0.800 m to 1.060 m	0.983 m	0.857 m
13 October 2026	0.781 m	0.800 m to 1.060 m	0.984 m	0.840 m
14 October 2026	0.778 m	0.800 m to 1.060 m	0.987 m	0.834 m
15 October 2026	0.782 m	0.813 m to 1.067 m	0.989 m	0.830 m
16 October 2026	0.778 m	0.829 m to 1.071 m	0.990 m	0.829 m
17 October 2026	0.780 m	0.831 m to 1.072 m	0.990 m	0.831 m
18 October 2026	0.780 m	0.834 m to 1.085 m	0.990 m	0.834 m
19 October 2026	0.780 m	0.840 m to 1.098 m	0.990 m	0.834 m
20 October 2026	0.780 m	0.854 m to 1.106 m	0.993 m	0.832 m
21 October 2026	0.783 m	0.893 m to 1.106 m	0.994 m	0.832 m
22 October 2026	0.796 m	0.904 m to 1.106 m	0.995 m	0.853 m
23 October 2026	0.791 m	0.903 m to 1.090 m	0.995 m	0.876 m
24 October 2026	0.795 m	0.903 m to 1.085 m	0.996 m	0.867 m
25 October 2026	0.834 m	0.904 m to 1.080 m	0.997 m	0.858 m

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

Level
Below the normal range
Above the normal range
Normal range for the date
Median for the date
Our record

Daily highs of the Hâvre at Mésanger 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

Day	Daily high (m)	Normal range	Median
25 October 2025	0.858 m	0.904 m to 1.080 m	0.997 m
26 October 2025	0.850 m	0.905 m to 1.080 m	0.997 m
27 October 2025	0.851 m	0.907 m to 1.085 m	0.996 m
28 October 2025	1.001 m	0.910 m to 1.085 m	0.996 m
29 October 2025	0.908 m	0.917 m to 1.085 m	0.995 m
30 October 2025	0.858 m	0.922 m to 1.085 m	0.996 m
31 October 2025	0.852 m	0.928 m to 1.090 m	0.996 m
1 November 2025	0.854 m	0.933 m to 1.096 m	0.997 m
2 November 2025	0.860 m	0.949 m to 1.092 m	0.998 m
3 November 2025	0.856 m	0.950 m to 1.090 m	0.997 m
4 November 2025	0.854 m	0.951 m to 1.099 m	0.998 m
5 November 2025	0.853 m	0.955 m to 1.119 m	0.998 m
6 November 2025	0.850 m	0.960 m to 1.161 m	0.998 m
7 November 2025	0.849 m	0.960 m to 1.181 m	0.997 m
8 November 2025	0.849 m	0.960 m to 1.216 m	0.997 m
9 November 2025	0.861 m	0.963 m to 1.250 m	0.997 m
10 November 2025	0.849 m	0.965 m to 1.269 m	0.998 m
11 November 2025	0.858 m	0.965 m to 1.270 m	0.999 m
12 November 2025	0.852 m	0.965 m to 1.270 m	1.000 m
13 November 2025	0.848 m	0.966 m to 1.265 m	1.000 m
14 November 2025	0.848 m	0.966 m to 1.264 m	1.002 m
15 November 2025	0.856 m	0.966 m to 1.270 m	1.006 m
16 November 2025	0.873 m	0.965 m to 1.282 m	1.006 m
17 November 2025	0.879 m	0.966 m to 1.268 m	1.009 m
18 November 2025	0.873 m	0.966 m to 1.259 m	1.010 m
19 November 2025	0.872 m	0.967 m to 1.307 m	1.010 m
20 November 2025	0.869 m	0.967 m to 1.310 m	1.010 m
21 November 2025	0.871 m	0.968 m to 1.310 m	1.011 m
22 November 2025	0.867 m	0.969 m to 1.270 m	1.013 m
23 November 2025	0.901 m	0.969 m to 1.261 m	1.017 m
24 November 2025	0.937 m	0.970 m to 1.259 m	1.018 m
25 November 2025	0.934 m	0.970 m to 1.260 m	1.019 m
26 November 2025	0.915 m	0.974 m to 1.287 m	1.020 m
27 November 2025	0.902 m	0.975 m to 1.287 m	1.020 m
28 November 2025	0.897 m	0.976 m to 1.310 m	1.020 m
29 November 2025	0.943 m	0.978 m to 1.315 m	1.020 m
30 November 2025	0.954 m	0.979 m to 1.320 m	1.023 m
1 December 2025	0.942 m	0.980 m to 1.345 m	1.030 m
2 December 2025	0.922 m	0.980 m to 1.425 m	1.032 m
3 December 2025	0.931 m	0.981 m to 1.448 m	1.034 m
4 December 2025	0.981 m	0.981 m to 1.459 m	1.036 m
5 December 2025	0.993 m	0.981 m to 1.492 m	1.038 m
6 December 2025	0.982 m	0.981 m to 1.500 m	1.040 m
7 December 2025	1.078 m	0.980 m to 1.538 m	1.040 m
8 December 2025	1.083 m	0.980 m to 1.578 m	1.040 m
9 December 2025	1.065 m	0.980 m to 1.600 m	1.044 m
10 December 2025	1.011 m	0.980 m to 1.598 m	1.047 m
11 December 2025	0.969 m	0.975 m to 1.708 m	1.046 m
12 December 2025	0.949 m	0.975 m to 1.769 m	1.048 m
13 December 2025	0.936 m	0.975 m to 1.844 m	1.050 m
14 December 2025	0.929 m	0.975 m to 1.892 m	1.050 m
15 December 2025	0.922 m	0.975 m to 1.920 m	1.055 m
16 December 2025	0.918 m	0.975 m to 1.920 m	1.055 m
17 December 2025	0.924 m	0.976 m to 1.921 m	1.059 m
18 December 2025	0.954 m	0.978 m to 1.916 m	1.065 m
19 December 2025	1.055 m	0.980 m to 1.890 m	1.069 m
20 December 2025	1.043 m	0.981 m to 1.894 m	1.080 m
21 December 2025	1.051 m	0.981 m to 1.916 m	1.083 m
22 December 2025	1.064 m	0.981 m to 1.977 m	1.087 m
23 December 2025	1.050 m	0.982 m to 1.968 m	1.089 m
24 December 2025	1.013 m	0.983 m to 1.922 m	1.091 m
25 December 2025	0.981 m	0.986 m to 1.941 m	1.098 m
26 December 2025	0.966 m	0.987 m to 1.973 m	1.100 m
27 December 2025	0.952 m	0.988 m to 1.920 m	1.101 m
28 December 2025	0.943 m	0.990 m to 1.946 m	1.102 m
29 December 2025	0.934 m	0.991 m to 1.994 m	1.101 m
30 December 2025	0.931 m	0.997 m to 1.994 m	1.100 m
31 December 2025	0.924 m	1.000 m to 2.047 m	1.100 m
1 January 2026	0.922 m	1.005 m to 2.054 m	1.100 m
2 January 2026	0.923 m	1.006 m to 2.069 m	1.097 m
3 January 2026	0.921 m	1.004 m to 2.093 m	1.097 m
4 January 2026	0.919 m	1.002 m to 2.097 m	1.096 m
5 January 2026	0.919 m	0.993 m to 2.074 m	1.093 m
6 January 2026	0.921 m	0.993 m to 2.069 m	1.096 m
7 January 2026	0.937 m	0.994 m to 2.068 m	1.096 m
8 January 2026	1.125 m	0.993 m to 2.083 m	1.096 m
9 January 2026	1.139 m	0.994 m to 2.104 m	1.096 m
10 January 2026	1.073 m	0.995 m to 2.095 m	1.096 m
11 January 2026	1.018 m	0.996 m to 2.095 m	1.093 m
12 January 2026	1.203 m	0.997 m to 2.092 m	1.090 m
13 January 2026	1.206 m	0.997 m to 1.996 m	1.090 m
14 January 2026	1.116 m	0.998 m to 1.991 m	1.090 m
15 January 2026	1.059 m	0.998 m to 1.983 m	1.091 m
16 January 2026	1.046 m	0.999 m to 1.983 m	1.094 m
17 January 2026	1.032 m	1.000 m to 2.002 m	1.100 m
18 January 2026	1.019 m	1.005 m to 2.023 m	1.100 m
19 January 2026	1.019 m	1.007 m to 2.061 m	1.100 m
20 January 2026	1.164 m	1.008 m to 2.080 m	1.100 m
21 January 2026	2.097 m	1.010 m to 2.108 m	1.100 m
22 January 2026	1.994 m	1.011 m to 2.125 m	1.102 m
23 January 2026	1.309 m	1.012 m to 2.129 m	1.103 m
24 January 2026	1.336 m	1.014 m to 2.129 m	1.106 m
25 January 2026	1.687 m	1.015 m to 2.138 m	1.109 m
26 January 2026	1.609 m	1.016 m to 2.183 m	1.110 m
27 January 2026	1.567 m	1.018 m to 2.189 m	1.110 m
28 January 2026	1.501 m	1.019 m to 2.213 m	1.112 m
29 January 2026	1.182 m	1.020 m to 2.228 m	1.113 m
30 January 2026	1.287 m	1.020 m to 2.217 m	1.111 m
31 January 2026	1.298 m	1.020 m to 2.195 m	1.110 m
1 February 2026	1.272 m	1.020 m to 2.174 m	1.109 m
2 February 2026	1.213 m	1.023 m to 2.135 m	1.109 m
3 February 2026	1.237 m	1.026 m to 2.106 m	1.107 m
4 February 2026	1.334 m	1.026 m to 2.168 m	1.107 m
5 February 2026	1.556 m	1.026 m to 2.168 m	1.103 m
6 February 2026	1.726 m	1.025 m to 2.106 m	1.106 m
7 February 2026	1.464 m	1.023 m to 2.121 m	1.109 m
8 February 2026	1.192 m	1.021 m to 2.136 m	1.110 m
9 February 2026	1.751 m	1.023 m to 2.130 m	1.110 m
10 February 2026	2.213 m	1.023 m to 2.093 m	1.109 m
11 February 2026	2.490 m	1.023 m to 2.067 m	1.109 m
12 February 2026	2.513 m	1.022 m to 2.050 m	1.106 m
13 February 2026	2.530 m	1.022 m to 2.004 m	1.102 m
14 February 2026	2.528 m	1.022 m to 2.002 m	1.098 m
15 February 2026	2.505 m	1.022 m to 2.002 m	1.096 m
16 February 2026	2.489 m	1.023 m to 2.002 m	1.096 m
17 February 2026	2.007 m	1.023 m to 1.990 m	1.092 m
18 February 2026	2.569 m	1.024 m to 1.994 m	1.091 m
19 February 2026	2.619 m	1.025 m to 1.958 m	1.090 m
20 February 2026	2.018 m	1.025 m to 1.930 m	1.090 m
21 February 2026	1.232 m	1.026 m to 1.958 m	1.090 m
22 February 2026	1.173 m	1.027 m to 1.836 m	1.089 m
23 February 2026	1.148 m	1.027 m to 1.836 m	1.088 m
24 February 2026	1.134 m	1.027 m to 1.892 m	1.087 m
25 February 2026	1.116 m	1.027 m to 1.815 m	1.085 m
26 February 2026	1.094 m	1.027 m to 1.693 m	1.085 m
27 February 2026	1.093 m	1.028 m to 1.667 m	1.084 m
28 February 2026	1.083 m	1.028 m to 1.667 m	1.083 m
1 March 2026	1.068 m	1.026 m to 1.693 m	1.083 m
2 March 2026	1.061 m	1.025 m to 1.693 m	1.083 m
3 March 2026	1.053 m	1.024 m to 1.661 m	1.083 m
4 March 2026	1.037 m	1.023 m to 1.658 m	1.080 m
5 March 2026	1.035 m	1.022 m to 1.594 m	1.079 m
6 March 2026	1.038 m	1.022 m to 1.525 m	1.079 m
7 March 2026	1.035 m	1.022 m to 1.433 m	1.079 m
8 March 2026	1.029 m	1.022 m to 1.400 m	1.078 m
9 March 2026	1.027 m	1.021 m to 1.400 m	1.077 m
10 March 2026	1.023 m	1.020 m to 1.388 m	1.074 m
11 March 2026	1.031 m	1.020 m to 1.371 m	1.072 m
12 March 2026	1.033 m	1.020 m to 1.364 m	1.072 m
13 March 2026	1.325 m	1.020 m to 1.376 m	1.070 m
14 March 2026	1.369 m	1.020 m to 1.417 m	1.070 m
15 March 2026	1.200 m	1.020 m to 1.380 m	1.070 m
16 March 2026	1.111 m	1.018 m to 1.366 m	1.069 m
17 March 2026	1.078 m	1.017 m to 1.340 m	1.069 m
18 March 2026	1.064 m	1.016 m to 1.340 m	1.070 m
19 March 2026	1.047 m	1.015 m to 1.397 m	1.068 m
20 March 2026	1.032 m	1.015 m to 1.428 m	1.068 m
21 March 2026	1.023 m	1.013 m to 1.436 m	1.066 m
22 March 2026	1.018 m	1.011 m to 1.446 m	1.065 m
23 March 2026	1.011 m	1.011 m to 1.453 m	1.065 m
24 March 2026	1.045 m	1.010 m to 1.445 m	1.063 m
25 March 2026	1.041 m	1.010 m to 1.415 m	1.060 m
26 March 2026	1.012 m	1.010 m to 1.399 m	1.060 m
27 March 2026	0.995 m	1.010 m to 1.392 m	1.060 m
28 March 2026	0.970 m	1.010 m to 1.377 m	1.060 m
29 March 2026	0.936 m	1.010 m to 1.362 m	1.060 m
30 March 2026	1.022 m	1.010 m to 1.366 m	1.060 m
31 March 2026	1.021 m	1.010 m to 1.374 m	1.058 m
1 April 2026	0.977 m	1.010 m to 1.374 m	1.053 m
2 April 2026	0.948 m	1.010 m to 1.362 m	1.050 m
3 April 2026	0.980 m	1.010 m to 1.326 m	1.050 m
4 April 2026	0.979 m	1.009 m to 1.301 m	1.050 m
5 April 2026	0.972 m	1.008 m to 1.291 m	1.049 m
6 April 2026	0.964 m	1.007 m to 1.284 m	1.049 m
7 April 2026	0.961 m	1.006 m to 1.261 m	1.047 m
8 April 2026	0.957 m	1.005 m to 1.252 m	1.045 m
9 April 2026	0.955 m	1.005 m to 1.247 m	1.044 m
10 April 2026	0.947 m	1.004 m to 1.247 m	1.042 m
11 April 2026	0.952 m	1.003 m to 1.233 m	1.040 m
12 April 2026	0.952 m	1.000 m to 1.223 m	1.040 m
13 April 2026	0.951 m	1.000 m to 1.210 m	1.040 m
14 April 2026	0.947 m	0.998 m to 1.206 m	1.039 m
15 April 2026	0.941 m	0.994 m to 1.175 m	1.036 m
16 April 2026	0.941 m	0.992 m to 1.170 m	1.035 m
17 April 2026	0.940 m	0.990 m to 1.164 m	1.033 m
18 April 2026	0.940 m	0.990 m to 1.152 m	1.032 m
19 April 2026	0.935 m	0.990 m to 1.132 m	1.030 m
20 April 2026	0.929 m	0.989 m to 1.115 m	1.028 m
21 April 2026	0.927 m	0.988 m to 1.107 m	1.026 m
22 April 2026	0.926 m	0.988 m to 1.102 m	1.024 m
23 April 2026	0.923 m	0.988 m to 1.100 m	1.022 m
24 April 2026	0.925 m	0.988 m to 1.093 m	1.020 m
25 April 2026	0.924 m	0.988 m to 1.089 m	1.020 m
26 April 2026	0.920 m	0.988 m to 1.088 m	1.020 m
27 April 2026	0.920 m	0.988 m to 1.081 m	1.020 m
28 April 2026	0.923 m	0.988 m to 1.080 m	1.020 m
29 April 2026	0.921 m	0.988 m to 1.080 m	1.020 m
30 April 2026	0.923 m	0.988 m to 1.080 m	1.020 m
1 May 2026	0.932 m	0.988 m to 1.080 m	1.020 m
2 May 2026	0.932 m	0.988 m to 1.080 m	1.020 m
3 May 2026	1.003 m	0.988 m to 1.082 m	1.020 m
4 May 2026	0.975 m	0.988 m to 1.087 m	1.020 m
5 May 2026	0.958 m	0.988 m to 1.086 m	1.020 m
6 May 2026	0.953 m	0.988 m to 1.086 m	1.020 m
7 May 2026	0.949 m	0.989 m to 1.085 m	1.019 m
8 May 2026	0.938 m	0.988 m to 1.083 m	1.018 m
9 May 2026	1.052 m	0.986 m to 1.081 m	1.019 m
10 May 2026	1.119 m	0.985 m to 1.083 m	1.018 m
11 May 2026	1.104 m	0.985 m to 1.081 m	1.017 m
12 May 2026	1.048 m	0.985 m to 1.080 m	1.017 m
13 May 2026	0.991 m	0.984 m to 1.080 m	1.017 m
14 May 2026	0.958 m	0.983 m to 1.080 m	1.016 m
15 May 2026	0.953 m	0.983 m to 1.076 m	1.014 m
16 May 2026	0.944 m	0.982 m to 1.073 m	1.012 m
17 May 2026	0.936 m	0.980 m to 1.073 m	1.010 m
18 May 2026	0.932 m	0.978 m to 1.071 m	1.010 m
19 May 2026	0.932 m	0.975 m to 1.069 m	1.010 m
20 May 2026	0.932 m	0.973 m to 1.069 m	1.010 m
21 May 2026	0.926 m	0.973 m to 1.069 m	1.010 m
22 May 2026	0.920 m	0.971 m to 1.069 m	1.010 m
23 May 2026	0.914 m	0.970 m to 1.069 m	1.009 m
24 May 2026	0.908 m	0.970 m to 1.069 m	1.007 m
25 May 2026	0.902 m	0.970 m to 1.065 m	1.005 m
26 May 2026	0.897 m	0.970 m to 1.060 m	1.004 m
27 May 2026	0.894 m	0.970 m to 1.057 m	1.003 m
28 May 2026	0.891 m	0.969 m to 1.056 m	1.002 m
29 May 2026	0.886 m	0.969 m to 1.052 m	1.001 m
30 May 2026	0.883 m	0.966 m to 1.050 m	1.000 m
31 May 2026	0.895 m	0.965 m to 1.047 m	1.000 m
1 June 2026	0.885 m	0.963 m to 1.043 m	0.999 m
2 June 2026	0.919 m	0.962 m to 1.038 m	0.998 m
3 June 2026	0.901 m	0.962 m to 1.035 m	0.997 m
4 June 2026	0.894 m	0.961 m to 1.033 m	0.996 m
5 June 2026	0.890 m	0.960 m to 1.031 m	0.996 m
6 June 2026	0.887 m	0.960 m to 1.030 m	0.996 m
7 June 2026	0.884 m	0.960 m to 1.030 m	0.995 m
8 June 2026	0.884 m	0.959 m to 1.030 m	0.994 m
9 June 2026	0.897 m	0.958 m to 1.030 m	0.994 m
10 June 2026	0.888 m	0.957 m to 1.030 m	0.993 m
11 June 2026	0.882 m	0.954 m to 1.030 m	0.993 m
12 June 2026	0.881 m	0.950 m to 1.030 m	0.992 m
13 June 2026	0.879 m	0.948 m to 1.028 m	0.992 m
14 June 2026	0.876 m	0.945 m to 1.027 m	0.991 m
15 June 2026	0.874 m	0.944 m to 1.026 m	0.989 m
16 June 2026	0.872 m	0.942 m to 1.027 m	0.988 m
17 June 2026	0.871 m	0.941 m to 1.028 m	0.986 m
18 June 2026	0.869 m	0.940 m to 1.029 m	0.985 m
19 June 2026	0.859 m	0.939 m to 1.029 m	0.983 m
20 June 2026	0.852 m	0.939 m to 1.027 m	0.980 m
21 June 2026	0.851 m	0.938 m to 1.026 m	0.980 m
22 June 2026	0.846 m	0.938 m to 1.024 m	0.980 m
23 June 2026	0.839 m	0.936 m to 1.022 m	0.980 m
24 June 2026	0.834 m	0.936 m to 1.022 m	0.980 m
25 June 2026	0.831 m	0.936 m to 1.020 m	0.980 m
26 June 2026	0.832 m	0.936 m to 1.019 m	0.980 m
27 June 2026	0.827 m	0.936 m to 1.019 m	0.980 m
28 June 2026	0.823 m	0.934 m to 1.019 m	0.979 m
29 June 2026	0.792 m	0.934 m to 1.020 m	0.979 m
30 June 2026	0.778 m	0.934 m to 1.020 m	0.978 m
1 July 2026	0.778 m	0.934 m to 1.019 m	0.978 m
2 July 2026	0.778 m	0.933 m to 1.018 m	0.977 m
3 July 2026	0.778 m	0.929 m to 1.017 m	0.977 m
4 July 2026	0.778 m	0.927 m to 1.016 m	0.977 m
5 July 2026	0.781 m	0.921 m to 1.016 m	0.977 m
6 July 2026	0.784 m	0.914 m to 1.016 m	0.976 m
7 July 2026	0.784 m	0.910 m to 1.019 m	0.976 m
8 July 2026	0.784 m	0.908 m to 1.020 m	0.975 m
9 July 2026	0.784 m	0.900 m to 1.020 m	0.974 m
10 July 2026	0.784 m	0.898 m to 1.020 m	0.973 m
11 July 2026	0.784 m	0.898 m to 1.020 m	0.972 m
12 July 2026	0.786 m	0.887 m to 1.020 m	0.971 m
13 July 2026	0.783 m	0.884 m to 1.019 m	0.970 m
14 July 2026	0.783 m	0.880 m to 1.015 m	0.969 m
15 July 2026	0.833 m	0.874 m to 1.014 m	0.967 m
16 July 2026	0.859 m	0.870 m to 1.014 m	0.965 m
17 July 2026	0.804 m	0.854 m to 1.014 m	0.965 m
18 July 2026	0.778 m	0.849 m to 1.010 m	0.963 m
19 July 2026	0.778 m	0.838 m to 1.010 m	0.963 m
20 July 2026	0.778 m	0.815 m to 1.010 m	0.962 m
21 July 2026	0.781 m	0.809 m to 1.009 m	0.960 m
22 July 2026	0.781 m	0.801 m to 1.008 m	0.961 m
23 July 2026	0.781 m	0.800 m to 1.006 m	0.960 m
24 July 2026	0.783 m	0.800 m to 1.005 m	0.960 m
25 July 2026	0.783 m	0.800 m to 1.001 m	0.960 m
26 July 2026	0.778 m	0.841 m to 1.000 m	0.960 m
27 July 2026	0.778 m	0.840 m to 1.000 m	0.960 m
28 July 2026	0.784 m	0.831 m to 1.000 m	0.960 m
29 July 2026	0.786 m	0.828 m to 0.999 m	0.961 m
30 July 2026	0.781 m	0.819 m to 0.999 m	0.960 m
31 July 2026	0.781 m	0.800 m to 0.998 m	0.960 m
1 August 2026	0.778 m	0.800 m to 0.997 m	0.960 m
2 August 2026	0.778 m	0.800 m to 0.996 m	0.960 m
3 August 2026	0.786 m	0.800 m to 0.996 m	0.960 m
4 August 2026	0.784 m	0.800 m to 0.995 m	0.960 m
5 August 2026	0.780 m	0.800 m to 0.994 m	0.960 m
6 August 2026	0.778 m	0.788 m to 0.994 m	0.960 m
7 August 2026	0.778 m	0.787 m to 0.994 m	0.960 m
8 August 2026	0.786 m	0.787 m to 0.994 m	0.960 m
9 August 2026	0.784 m	0.787 m to 0.994 m	0.960 m
10 August 2026	0.784 m	0.787 m to 0.994 m	0.959 m
11 August 2026	0.786 m	0.780 m to 0.993 m	0.956 m
12 August 2026	0.786 m	0.780 m to 0.990 m	0.954 m
13 August 2026	0.787 m	0.780 m to 0.990 m	0.953 m
14 August 2026	0.784 m	0.780 m to 0.991 m	0.950 m
15 August 2026	0.782 m	0.780 m to 0.991 m	0.950 m
16 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m
17 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m
18 August 2026	0.783 m	0.780 m to 0.992 m	0.950 m
19 August 2026	0.781 m	0.780 m to 0.993 m	0.950 m
20 August 2026	0.778 m	0.780 m to 0.993 m	0.950 m
21 August 2026	0.793 m	0.780 m to 0.994 m	0.950 m
22 August 2026	0.780 m	0.780 m to 0.994 m	0.949 m
23 August 2026	0.779 m	0.784 m to 0.994 m	0.948 m
24 August 2026	0.780 m	0.787 m to 0.994 m	0.947 m
25 August 2026	0.781 m	0.788 m to 0.995 m	0.946 m
26 August 2026	0.826 m	0.788 m to 0.995 m	0.945 m
27 August 2026	0.783 m	0.788 m to 0.995 m	0.946 m
28 August 2026	0.841 m	0.788 m to 0.995 m	0.947 m
29 August 2026	0.807 m	0.788 m to 0.995 m	0.947 m
30 August 2026	0.778 m	0.788 m to 0.996 m	0.944 m
31 August 2026	0.779 m	0.789 m to 0.995 m	0.945 m
1 September 2026	0.778 m	0.789 m to 0.995 m	0.944 m
2 September 2026	0.778 m	0.788 m to 0.995 m	0.944 m
3 September 2026	0.781 m	0.788 m to 0.995 m	0.945 m
4 September 2026	0.781 m	0.788 m to 0.996 m	0.945 m
5 September 2026	0.780 m	0.788 m to 0.996 m	0.945 m
6 September 2026	0.784 m	0.788 m to 0.997 m	0.946 m
7 September 2026	0.781 m	0.788 m to 1.000 m	0.948 m
8 September 2026	0.778 m	0.789 m to 1.000 m	0.948 m
9 September 2026	0.778 m	0.789 m to 1.000 m	0.949 m
10 September 2026	0.778 m	0.789 m to 1.000 m	0.950 m
11 September 2026	0.780 m	0.789 m to 1.000 m	0.951 m
12 September 2026	0.781 m	0.788 m to 1.000 m	0.956 m
13 September 2026	0.783 m	0.788 m to 1.000 m	0.959 m
14 September 2026	0.783 m	0.788 m to 1.010 m	0.960 m
15 September 2026	0.784 m	0.788 m to 1.014 m	0.960 m
16 September 2026	0.778 m	0.787 m to 1.018 m	0.960 m
17 September 2026	0.780 m	0.787 m to 1.016 m	0.960 m
18 September 2026	0.778 m	0.788 m to 1.019 m	0.960 m
19 September 2026	0.780 m	0.788 m to 1.020 m	0.963 m
20 September 2026	0.782 m	0.787 m to 1.020 m	0.966 m
21 September 2026	0.781 m	0.787 m to 1.024 m	0.968 m
22 September 2026	0.781 m	0.788 m to 1.025 m	0.970 m
23 September 2026	0.784 m	0.788 m to 1.024 m	0.971 m
24 September 2026	0.784 m	0.788 m to 1.024 m	0.973 m
25 September 2026	0.786 m	0.788 m to 1.024 m	0.975 m
26 September 2026	0.780 m	0.788 m to 1.023 m	0.977 m
27 September 2026	0.783 m	0.788 m to 1.023 m	0.978 m
28 September 2026	0.780 m	0.788 m to 1.025 m	0.980 m
29 September 2026	0.784 m	0.788 m to 1.024 m	0.980 m
30 September 2026	0.781 m	0.788 m to 1.026 m	0.980 m
1 October 2026	0.778 m	0.788 m to 1.028 m	0.980 m
2 October 2026	0.778 m	0.788 m to 1.030 m	0.980 m
3 October 2026	0.778 m	0.788 m to 1.032 m	0.980 m
4 October 2026	0.778 m	0.788 m to 1.032 m	0.980 m
5 October 2026	0.784 m	0.788 m to 1.030 m	0.980 m
6 October 2026	0.796 m	0.789 m to 1.031 m	0.980 m
7 October 2026	0.829 m	0.792 m to 1.040 m	0.980 m
8 October 2026	0.778 m	0.798 m to 1.045 m	0.980 m
9 October 2026	0.780 m	0.800 m to 1.055 m	0.981 m
10 October 2026	0.780 m	0.800 m to 1.060 m	0.982 m
11 October 2026	0.780 m	0.800 m to 1.060 m	0.982 m
12 October 2026	0.781 m	0.800 m to 1.060 m	0.983 m
13 October 2026	0.781 m	0.800 m to 1.060 m	0.984 m
14 October 2026	0.778 m	0.800 m to 1.060 m	0.987 m
15 October 2026	0.782 m	0.813 m to 1.067 m	0.989 m
16 October 2026	0.778 m	0.829 m to 1.071 m	0.990 m
17 October 2026	0.780 m	0.831 m to 1.072 m	0.990 m
18 October 2026	0.780 m	0.834 m to 1.085 m	0.990 m
19 October 2026	0.780 m	0.840 m to 1.098 m	0.990 m
20 October 2026	0.780 m	0.854 m to 1.106 m	0.993 m
21 October 2026	0.783 m	0.893 m to 1.106 m	0.994 m
22 October 2026	0.796 m	0.904 m to 1.106 m	0.995 m
23 October 2026	0.791 m	0.903 m to 1.090 m	0.995 m
24 October 2026	0.795 m	0.903 m to 1.085 m	0.996 m
25 October 2026	0.834 m	0.904 m to 1.080 m	0.997 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of the Hâvre at Mésanger from the week of 24 October 2016 to 25 October 2026.

Table: The last 10 years, weekly averages

Week starting	Weekly average of daily highs (m)
24 October 2016	no value
31 October 2016	no value
7 November 2016	no value
14 November 2016	no value
21 November 2016	no value
28 November 2016	no value
5 December 2016	0.948 m
12 December 2016	0.954 m
19 December 2016	0.976 m
26 December 2016	0.984 m
2 January 2017	0.970 m
9 January 2017	0.981 m
16 January 2017	0.994 m
23 January 2017	0.972 m
30 January 2017	1.073 m
6 February 2017	1.081 m
13 February 2017	1.019 m
20 February 2017	1.009 m
27 February 2017	1.127 m
6 March 2017	1.115 m
13 March 2017	1.056 m
20 March 2017	1.039 m
27 March 2017	1.018 m
3 April 2017	1.006 m
10 April 2017	0.998 m
17 April 2017	0.989 m
24 April 2017	0.992 m
1 May 2017	1.009 m
8 May 2017	0.997 m
15 May 2017	1.004 m
22 May 2017	0.979 m
29 May 2017	0.982 m
5 June 2017	0.967 m
12 June 2017	0.955 m
19 June 2017	0.962 m
26 June 2017	0.974 m
3 July 2017	0.986 m
10 July 2017	1.047 m
17 July 2017	0.993 m
24 July 2017	0.972 m
31 July 2017	0.899 m
7 August 2017	0.608 m
14 August 2017	0.360 m
21 August 2017	0.360 m
28 August 2017	0.360 m
4 September 2017	0.360 m
11 September 2017	0.359 m
18 September 2017	0.360 m
25 September 2017	0.357 m
2 October 2017	0.359 m
9 October 2017	0.359 m
16 October 2017	0.389 m
23 October 2017	0.952 m
30 October 2017	0.955 m
6 November 2017	0.964 m
13 November 2017	0.965 m
20 November 2017	0.964 m
27 November 2017	0.989 m
4 December 2017	1.001 m
11 December 2017	1.031 m
18 December 2017	0.988 m
25 December 2017	1.114 m
1 January 2018	1.154 m
8 January 2018	1.130 m
15 January 2018	1.183 m
22 January 2018	1.200 m
29 January 2018	1.150 m
5 February 2018	1.094 m
12 February 2018	1.316 m
19 February 2018	1.199 m
26 February 2018	1.112 m
5 March 2018	1.161 m
12 March 2018	1.195 m
19 March 2018	1.128 m
26 March 2018	1.436 m
2 April 2018	1.320 m
9 April 2018	1.174 m
16 April 2018	1.065 m
23 April 2018	1.038 m
30 April 2018	1.055 m
7 May 2018	1.012 m
14 May 2018	1.003 m
21 May 2018	1.010 m
28 May 2018	1.017 m
4 June 2018	1.080 m
11 June 2018	1.533 m
18 June 2018	1.016 m
25 June 2018	0.998 m
2 July 2018	1.064 m
9 July 2018	0.984 m
16 July 2018	0.963 m
23 July 2018	0.954 m
30 July 2018	0.951 m
6 August 2018	0.948 m
13 August 2018	0.950 m
20 August 2018	0.939 m
27 August 2018	0.881 m
3 September 2018	0.813 m
10 September 2018	0.795 m
17 September 2018	0.791 m
24 September 2018	0.777 m
1 October 2018	0.784 m
8 October 2018	0.864 m
15 October 2018	0.960 m
22 October 2018	0.951 m
29 October 2018	0.970 m
5 November 2018	1.027 m
12 November 2018	1.015 m
19 November 2018	1.056 m
26 November 2018	1.210 m
3 December 2018	1.237 m
10 December 2018	1.336 m
17 December 2018	1.747 m
24 December 2018	1.132 m
31 December 2018	1.063 m
7 January 2019	1.045 m
14 January 2019	1.046 m
21 January 2019	1.058 m
28 January 2019	1.156 m
4 February 2019	1.413 m
11 February 2019	1.340 m
18 February 2019	1.084 m
25 February 2019	1.083 m
4 March 2019	1.267 m
11 March 2019	1.088 m
18 March 2019	1.041 m
25 March 2019	1.025 m
1 April 2019	1.027 m
8 April 2019	1.013 m
15 April 2019	1.006 m
22 April 2019	1.017 m
29 April 2019	0.999 m
6 May 2019	1.007 m
13 May 2019	0.987 m
20 May 2019	0.978 m
27 May 2019	0.968 m
3 June 2019	0.985 m
10 June 2019	0.984 m
17 June 2019	0.958 m
24 June 2019	0.949 m
1 July 2019	0.923 m
8 July 2019	0.858 m
15 July 2019	0.790 m
22 July 2019	0.787 m
29 July 2019	0.787 m
5 August 2019	0.787 m
12 August 2019	0.787 m
19 August 2019	0.788 m
26 August 2019	0.789 m
2 September 2019	0.788 m
9 September 2019	0.789 m
16 September 2019	0.790 m
23 September 2019	0.788 m
30 September 2019	0.788 m
7 October 2019	0.788 m
14 October 2019	0.981 m
21 October 2019	0.972 m
28 October 2019	1.071 m
4 November 2019	1.315 m
11 November 2019	1.170 m
18 November 2019	1.163 m
25 November 2019	1.958 m
2 December 2019	1.183 m
9 December 2019	1.472 m
16 December 2019	1.874 m
23 December 2019	1.392 m
30 December 2019	1.109 m
6 January 2020	1.160 m
13 January 2020	1.616 m
20 January 2020	1.114 m
27 January 2020	1.728 m
3 February 2020	1.528 m
10 February 2020	1.245 m
17 February 2020	1.160 m
24 February 2020	1.431 m
2 March 2020	2.124 m
9 March 2020	1.241 m
16 March 2020	1.096 m
23 March 2020	1.056 m
30 March 2020	1.041 m
6 April 2020	1.033 m
13 April 2020	1.033 m
20 April 2020	1.038 m
27 April 2020	1.055 m
4 May 2020	1.049 m
11 May 2020	1.018 m
18 May 2020	0.986 m
25 May 2020	0.969 m
1 June 2020	0.959 m
8 June 2020	1.011 m
15 June 2020	1.011 m
22 June 2020	0.970 m
29 June 2020	0.957 m
6 July 2020	0.941 m
13 July 2020	0.938 m
20 July 2020	0.918 m
27 July 2020	0.822 m
3 August 2020	0.749 m
10 August 2020	0.752 m
17 August 2020	0.860 m
24 August 2020	0.924 m
31 August 2020	0.851 m
7 September 2020	0.768 m
14 September 2020	0.755 m
21 September 2020	0.994 m
28 September 2020	1.013 m
5 October 2020	0.992 m
12 October 2020	0.989 m
19 October 2020	1.029 m
26 October 2020	1.064 m
2 November 2020	1.051 m
9 November 2020	1.092 m
16 November 2020	1.133 m
23 November 2020	1.025 m
30 November 2020	1.049 m
7 December 2020	1.349 m
14 December 2020	1.161 m
21 December 2020	1.791 m
28 December 2020	1.380 m
4 January 2021	1.083 m
11 January 2021	1.065 m
18 January 2021	1.562 m
25 January 2021	1.786 m
1 February 2021	1.872 m
8 February 2021	1.181 m
15 February 2021	1.100 m
22 February 2021	1.070 m
1 March 2021	1.045 m
8 March 2021	1.044 m
15 March 2021	1.029 m
22 March 2021	1.022 m
29 March 2021	1.012 m
5 April 2021	1.012 m
12 April 2021	1.006 m
19 April 2021	0.995 m
26 April 2021	0.989 m
3 May 2021	1.007 m
10 May 2021	1.008 m
17 May 2021	0.999 m
24 May 2021	0.996 m
31 May 2021	0.992 m
7 June 2021	0.967 m
14 June 2021	1.034 m
21 June 2021	1.053 m
28 June 2021	0.997 m
5 July 2021	1.013 m
12 July 2021	0.974 m
19 July 2021	0.955 m
26 July 2021	0.969 m
2 August 2021	0.981 m
9 August 2021	0.958 m
16 August 2021	0.946 m
23 August 2021	0.948 m
30 August 2021	0.916 m
6 September 2021	0.864 m
13 September 2021	0.799 m
20 September 2021	0.792 m
27 September 2021	0.976 m
4 October 2021	1.056 m
11 October 2021	0.972 m
18 October 2021	0.990 m
25 October 2021	0.999 m
1 November 2021	1.017 m
8 November 2021	0.981 m
15 November 2021	0.979 m
22 November 2021	0.991 m
29 November 2021	1.031 m
6 December 2021	1.102 m
13 December 2021	1.050 m
20 December 2021	1.058 m
27 December 2021	1.701 m
3 January 2022	1.572 m
10 January 2022	1.192 m
17 January 2022	1.078 m
24 January 2022	1.054 m
31 January 2022	1.050 m
7 February 2022	1.041 m
14 February 2022	1.122 m
21 February 2022	1.066 m
28 February 2022	1.049 m
7 March 2022	1.067 m
14 March 2022	1.076 m
21 March 2022	1.033 m
28 March 2022	1.025 m
4 April 2022	1.069 m
11 April 2022	1.030 m
18 April 2022	1.019 m
25 April 2022	1.007 m
2 May 2022	0.990 m
9 May 2022	0.982 m
16 May 2022	0.979 m
23 May 2022	1.026 m
30 May 2022	0.981 m
6 June 2022	0.978 m
13 June 2022	0.943 m
20 June 2022	0.948 m
27 June 2022	0.948 m
4 July 2022	0.927 m
11 July 2022	0.832 m
18 July 2022	0.799 m
25 July 2022	0.800 m
1 August 2022	0.800 m
8 August 2022	0.800 m
15 August 2022	0.799 m
22 August 2022	0.800 m
29 August 2022	0.800 m
5 September 2022	0.799 m
12 September 2022	0.800 m
19 September 2022	0.799 m
26 September 2022	0.799 m
3 October 2022	0.800 m
10 October 2022	0.800 m
17 October 2022	0.800 m
24 October 2022	0.795 m
31 October 2022	0.910 m
7 November 2022	0.979 m
14 November 2022	1.023 m
21 November 2022	1.001 m
28 November 2022	1.026 m
5 December 2022	0.979 m
12 December 2022	0.999 m
19 December 2022	1.486 m
26 December 2022	1.244 m
2 January 2023	1.203 m
9 January 2023	1.479 m
16 January 2023	1.574 m
23 January 2023	1.109 m
30 January 2023	1.074 m
6 February 2023	1.051 m
13 February 2023	1.040 m
20 February 2023	1.105 m
27 February 2023	1.058 m
6 March 2023	1.539 m
13 March 2023	1.185 m
20 March 2023	1.332 m
27 March 2023	1.330 m
3 April 2023	1.103 m
10 April 2023	1.265 m
17 April 2023	1.070 m
24 April 2023	1.038 m
1 May 2023	1.022 m
8 May 2023	1.037 m
15 May 2023	1.017 m
22 May 2023	0.980 m
29 May 2023	0.962 m
5 June 2023	0.976 m
12 June 2023	0.961 m
19 June 2023	0.970 m
26 June 2023	0.955 m
3 July 2023	0.956 m
10 July 2023	0.960 m
17 July 2023	0.926 m
24 July 2023	0.942 m
31 July 2023	0.999 m
7 August 2023	0.958 m
14 August 2023	0.965 m
21 August 2023	0.929 m
28 August 2023	0.904 m
4 September 2023	0.921 m
11 September 2023	0.854 m
18 September 2023	0.946 m
25 September 2023	0.963 m
2 October 2023	0.968 m
9 October 2023	0.942 m
16 October 2023	0.990 m
23 October 2023	1.249 m
30 October 2023	2.131 m
6 November 2023	1.502 m
13 November 2023	1.326 m
20 November 2023	1.112 m
27 November 2023	1.077 m
4 December 2023	1.547 m
11 December 2023	1.680 m
18 December 2023	1.132 m
25 December 2023	1.105 m
1 January 2024	1.915 m
8 January 2024	1.116 m
15 January 2024	1.455 m
22 January 2024	1.240 m
29 January 2024	1.096 m
5 February 2024	1.770 m
12 February 2024	1.150 m
19 February 2024	1.789 m
26 February 2024	1.655 m
4 March 2024	1.438 m
11 March 2024	1.212 m
18 March 2024	1.157 m
25 March 2024	1.344 m
1 April 2024	1.570 m
8 April 2024	1.166 m
15 April 2024	1.056 m
22 April 2024	1.088 m
29 April 2024	1.120 m
6 May 2024	1.255 m
13 May 2024	1.061 m
20 May 2024	1.048 m
27 May 2024	1.025 m
3 June 2024	1.004 m
10 June 2024	0.996 m
17 June 2024	1.696 m
24 June 2024	1.044 m
1 July 2024	1.012 m
8 July 2024	1.070 m
15 July 2024	1.023 m
22 July 2024	1.003 m
29 July 2024	0.978 m
5 August 2024	0.964 m
12 August 2024	0.968 m
19 August 2024	0.978 m
26 August 2024	0.963 m
2 September 2024	no value
9 September 2024	no value
16 September 2024	0.885 m
23 September 2024	1.039 m
30 September 2024	0.970 m
7 October 2024	1.797 m
14 October 2024	1.135 m
21 October 2024	1.278 m
28 October 2024	1.033 m
4 November 2024	0.996 m
11 November 2024	0.971 m
18 November 2024	1.331 m
25 November 2024	1.702 m
2 December 2024	1.146 m
9 December 2024	1.061 m
16 December 2024	1.039 m
23 December 2024	1.046 m
30 December 2024	1.630 m
6 January 2025	2.186 m
13 January 2025	1.110 m
20 January 2025	1.793 m
27 January 2025	2.062 m
3 February 2025	1.134 m
10 February 2025	1.194 m
17 February 2025	1.390 m
24 February 2025	1.306 m
3 March 2025	1.072 m
10 March 2025	1.048 m
17 March 2025	1.021 m
24 March 2025	1.005 m
31 March 2025	0.988 m
7 April 2025	0.964 m
14 April 2025	0.963 m
21 April 2025	0.972 m
28 April 2025	0.990 m
5 May 2025	0.992 m
12 May 2025	0.955 m
19 May 2025	0.914 m
26 May 2025	0.903 m
2 June 2025	0.900 m
9 June 2025	0.900 m
16 June 2025	0.872 m
23 June 2025	0.861 m
30 June 2025	0.838 m
7 July 2025	0.782 m
14 July 2025	0.785 m
21 July 2025	0.896 m
28 July 2025	0.855 m
4 August 2025	0.798 m
11 August 2025	0.780 m
18 August 2025	0.780 m
25 August 2025	0.780 m
1 September 2025	0.900 m
8 September 2025	0.846 m
15 September 2025	0.850 m
22 September 2025	0.878 m
29 September 2025	0.828 m
6 October 2025	0.876 m
13 October 2025	0.833 m
20 October 2025	0.853 m
27 October 2025	0.883 m
3 November 2025	0.853 m
10 November 2025	0.855 m
17 November 2025	0.876 m
24 November 2025	0.926 m
1 December 2025	0.976 m
8 December 2025	0.992 m
15 December 2025	0.981 m
22 December 2025	0.996 m
29 December 2025	0.925 m
5 January 2026	1.019 m
12 January 2026	1.097 m
19 January 2026	1.515 m
26 January 2026	1.388 m
2 February 2026	1.389 m
9 February 2026	2.361 m
16 February 2026	2.015 m
23 February 2026	1.105 m
2 March 2026	1.041 m
9 March 2026	1.144 m
16 March 2026	1.053 m
23 March 2026	1.001 m
30 March 2026	0.986 m
6 April 2026	0.955 m
13 April 2026	0.942 m
20 April 2026	0.925 m
27 April 2026	0.936 m
4 May 2026	0.992 m
11 May 2026	0.991 m
18 May 2026	0.923 m
25 May 2026	0.893 m
1 June 2026	0.894 m
8 June 2026	0.884 m
15 June 2026	0.864 m
22 June 2026	0.833 m
29 June 2026	0.780 m
6 July 2026	0.784 m
13 July 2026	0.803 m
20 July 2026	0.781 m
27 July 2026	0.781 m
3 August 2026	0.782 m
10 August 2026	0.785 m
17 August 2026	0.782 m
24 August 2026	0.799 m
31 August 2026	0.780 m
7 September 2026	0.780 m
14 September 2026	0.781 m
21 September 2026	0.783 m
28 September 2026	0.780 m
5 October 2026	0.790 m
12 October 2026	0.780 m
19 October 2026	0.794 m

The whole record since 1973, monthly averages

Level
Our record

Monthly averages of the Hâvre at Mésanger from 1 January 1973 to 25 October 2026.

Table: The whole record since 1973, monthly averages

Month starting	Monthly average of daily highs (m)
1 January 1973	1.006 m
1 February 1973	1.090 m
1 March 1973	1.022 m
1 April 1973	1.000 m
1 May 1973	1.018 m
1 June 1973	0.943 m
1 July 1973	0.922 m
1 August 1973	1.030 m
1 September 1973	0.979 m
1 October 1973	0.997 m
1 November 1973	0.970 m
1 December 1973	1.003 m
1 January 1974	1.289 m
1 February 1974	1.321 m
1 March 1974	1.262 m
1 April 1974	1.018 m
1 May 1974	0.998 m
1 June 1974	0.973 m
1 July 1974	no value
1 August 1974	no value
1 September 1974	no value
1 October 1974	no value
1 November 1974	1.104 m
1 December 1974	1.085 m
1 January 1975	1.425 m
1 February 1975	1.090 m
1 March 1975	1.176 m
1 April 1975	1.076 m
1 May 1975	1.024 m
1 June 1975	0.968 m
1 July 1975	0.959 m
1 August 1975	no value
1 September 1975	no value
1 October 1975	0.955 m
1 November 1975	1.003 m
1 December 1975	1.066 m
1 January 1976	1.016 m
1 February 1976	1.106 m
1 March 1976	1.051 m
1 April 1976	1.001 m
1 May 1976	0.968 m
1 June 1976	no value
1 July 1976	no value
1 August 1976	no value
1 September 1976	no value
1 October 1976	no value
1 November 1976	1.051 m
1 December 1976	1.199 m
1 January 1977	1.341 m
1 February 1977	1.827 m
1 March 1977	1.153 m
1 April 1977	1.091 m
1 May 1977	1.018 m
1 June 1977	0.977 m
1 July 1977	1.168 m
1 August 1977	0.908 m
1 September 1977	0.983 m
1 October 1977	0.999 m
1 November 1977	0.995 m
1 December 1977	1.078 m
1 January 1978	1.325 m
1 February 1978	1.507 m
1 March 1978	1.315 m
1 April 1978	1.068 m
1 May 1978	1.120 m
1 June 1978	0.986 m
1 July 1978	0.974 m
1 August 1978	0.965 m
1 September 1978	0.911 m
1 October 1978	0.907 m
1 November 1978	0.979 m
1 December 1978	1.018 m
1 January 1979	1.148 m
1 February 1979	1.608 m
1 March 1979	1.382 m
1 April 1979	1.204 m
1 May 1979	1.063 m
1 June 1979	1.093 m
1 July 1979	0.993 m
1 August 1979	0.943 m
1 September 1979	0.953 m
1 October 1979	0.991 m
1 November 1979	1.001 m
1 December 1979	1.443 m
1 January 1980	1.508 m
1 February 1980	1.300 m
1 March 1980	1.321 m
1 April 1980	1.047 m
1 May 1980	1.006 m
1 June 1980	1.008 m
1 July 1980	1.008 m
1 August 1980	0.987 m
1 September 1980	0.984 m
1 October 1980	0.995 m
1 November 1980	1.095 m
1 December 1980	1.224 m
1 January 1981	1.141 m
1 February 1981	1.178 m
1 March 1981	1.293 m
1 April 1981	1.028 m
1 May 1981	1.366 m
1 June 1981	1.028 m
1 July 1981	1.006 m
1 August 1981	1.001 m
1 September 1981	1.007 m
1 October 1981	1.031 m
1 November 1981	1.028 m
1 December 1981	1.522 m
1 January 1982	1.580 m
1 February 1982	1.217 m
1 March 1982	1.254 m
1 April 1982	0.986 m
1 May 1982	1.010 m
1 June 1982	1.029 m
1 July 1982	0.982 m
1 August 1982	0.969 m
1 September 1982	0.982 m
1 October 1982	1.101 m
1 November 1982	1.400 m
1 December 1982	1.658 m
1 January 1983	1.140 m
1 February 1983	1.216 m
1 March 1983	1.081 m
1 April 1983	1.389 m
1 May 1983	1.139 m
1 June 1983	1.039 m
1 July 1983	0.999 m
1 August 1983	0.981 m
1 September 1983	1.038 m
1 October 1983	1.026 m
1 November 1983	1.001 m
1 December 1983	1.218 m
1 January 1984	1.507 m
1 February 1984	1.171 m
1 March 1984	1.211 m
1 April 1984	1.052 m
1 May 1984	1.184 m
1 June 1984	1.011 m
1 July 1984	0.964 m
1 August 1984	0.976 m
1 September 1984	0.991 m
1 October 1984	1.022 m
1 November 1984	1.344 m
1 December 1984	1.347 m
1 January 1985	1.262 m
1 February 1985	1.247 m
1 March 1985	1.139 m
1 April 1985	1.193 m
1 May 1985	0.998 m
1 June 1985	0.965 m
1 July 1985	0.918 m
1 August 1985	0.967 m
1 September 1985	0.957 m
1 October 1985	0.944 m
1 November 1985	0.989 m
1 December 1985	1.013 m
1 January 1986	1.237 m
1 February 1986	1.145 m
1 March 1986	1.327 m
1 April 1986	1.160 m
1 May 1986	1.068 m
1 June 1986	1.003 m
1 July 1986	0.987 m
1 August 1986	0.915 m
1 September 1986	0.996 m
1 October 1986	1.024 m
1 November 1986	1.088 m
1 December 1986	1.225 m
1 January 1987	1.061 m
1 February 1987	1.063 m
1 March 1987	1.125 m
1 April 1987	1.068 m
1 May 1987	0.998 m
1 June 1987	0.996 m
1 July 1987	0.972 m
1 August 1987	0.956 m
1 September 1987	0.872 m
1 October 1987	1.074 m
1 November 1987	1.135 m
1 December 1987	1.239 m
1 January 1988	1.834 m
1 February 1988	1.580 m
1 March 1988	1.165 m
1 April 1988	1.088 m
1 May 1988	1.044 m
1 June 1988	1.012 m
1 July 1988	1.014 m
1 August 1988	0.971 m
1 September 1988	0.985 m
1 October 1988	0.996 m
1 November 1988	0.994 m
1 December 1988	0.996 m
1 January 1989	1.008 m
1 February 1989	1.100 m
1 March 1989	1.274 m
1 April 1989	1.094 m
1 May 1989	1.026 m
1 June 1989	0.987 m
1 July 1989	0.921 m
1 August 1989	no value
1 September 1989	no value
1 October 1989	no value
1 November 1989	0.987 m
1 December 1989	1.197 m
1 January 1990	1.273 m
1 February 1990	1.551 m
1 March 1990	1.033 m
1 April 1990	1.023 m
1 May 1990	1.007 m
1 June 1990	0.970 m
1 July 1990	0.951 m
1 August 1990	no value
1 September 1990	no value
1 October 1990	no value
1 November 1990	0.990 m
1 December 1990	1.042 m
1 January 1991	1.450 m
1 February 1991	1.173 m
1 March 1991	1.152 m
1 April 1991	1.041 m
1 May 1991	1.013 m
1 June 1991	0.981 m
1 July 1991	0.968 m
1 August 1991	no value
1 September 1991	no value
1 October 1991	0.956 m
1 November 1991	1.036 m
1 December 1991	0.986 m
1 January 1992	0.986 m
1 February 1992	1.050 m
1 March 1992	1.005 m
1 April 1992	1.010 m
1 May 1992	0.972 m
1 June 1992	0.962 m
1 July 1992	0.908 m
1 August 1992	0.910 m
1 September 1992	0.975 m
1 October 1992	0.990 m
1 November 1992	1.152 m
1 December 1992	1.394 m
1 January 1993	1.301 m
1 February 1993	1.033 m
1 March 1993	1.012 m
1 April 1993	1.023 m
1 May 1993	0.996 m
1 June 1993	0.983 m
1 July 1993	0.956 m
1 August 1993	0.924 m
1 September 1993	0.958 m
1 October 1993	1.033 m
1 November 1993	0.991 m
1 December 1993	1.216 m
1 January 1994	1.588 m
1 February 1994	1.573 m
1 March 1994	1.067 m
1 April 1994	1.142 m
1 May 1994	1.044 m
1 June 1994	0.989 m
1 July 1994	0.955 m
1 August 1994	0.976 m
1 September 1994	1.007 m
1 October 1994	1.018 m
1 November 1994	1.348 m
1 December 1994	1.496 m
1 January 1995	1.723 m
1 February 1995	1.784 m
1 March 1995	1.426 m
1 April 1995	1.044 m
1 May 1995	1.024 m
1 June 1995	0.988 m
1 July 1995	0.981 m
1 August 1995	no value
1 September 1995	0.988 m
1 October 1995	0.996 m
1 November 1995	1.016 m
1 December 1995	1.027 m
1 January 1996	1.113 m
1 February 1996	1.367 m
1 March 1996	1.059 m
1 April 1996	1.038 m
1 May 1996	1.033 m
1 June 1996	0.998 m
1 July 1996	0.972 m
1 August 1996	no value
1 September 1996	no value
1 October 1996	no value
1 November 1996	1.073 m
1 December 1996	1.170 m
1 January 1997	1.146 m
1 February 1997	1.399 m
1 March 1997	1.091 m
1 April 1997	1.008 m
1 May 1997	0.998 m
1 June 1997	0.981 m
1 July 1997	0.972 m
1 August 1997	no value
1 September 1997	no value
1 October 1997	no value
1 November 1997	1.001 m
1 December 1997	1.159 m
1 January 1998	1.574 m
1 February 1998	1.048 m
1 March 1998	1.045 m
1 April 1998	1.473 m
1 May 1998	1.099 m
1 June 1998	1.002 m
1 July 1998	no value
1 August 1998	no value
1 September 1998	no value
1 October 1998	no value
1 November 1998	no value
1 December 1998	no value
1 January 1999	no value
1 February 1999	no value
1 March 1999	no value
1 April 1999	no value
1 May 1999	no value
1 June 1999	no value
1 July 1999	no value
1 August 1999	no value
1 September 1999	no value
1 October 1999	no value
1 November 1999	no value
1 December 1999	no value
1 January 2000	no value
1 February 2000	no value
1 March 2000	no value
1 April 2000	no value
1 May 2000	no value
1 June 2000	no value
1 July 2000	no value
1 August 2000	no value
1 September 2000	no value
1 October 2000	no value
1 November 2000	no value
1 December 2000	no value
1 January 2001	no value
1 February 2001	no value
1 March 2001	no value
1 April 2001	no value
1 May 2001	no value
1 June 2001	no value
1 July 2001	no value
1 August 2001	no value
1 September 2001	no value
1 October 2001	no value
1 November 2001	no value
1 December 2001	no value
1 January 2002	no value
1 February 2002	no value
1 March 2002	no value
1 April 2002	no value
1 May 2002	no value
1 June 2002	no value
1 July 2002	no value
1 August 2002	no value
1 September 2002	no value
1 October 2002	no value
1 November 2002	no value
1 December 2002	no value
1 January 2003	no value
1 February 2003	no value
1 March 2003	no value
1 April 2003	no value
1 May 2003	no value
1 June 2003	no value
1 July 2003	no value
1 August 2003	no value
1 September 2003	no value
1 October 2003	no value
1 November 2003	no value
1 December 2003	no value
1 January 2004	no value
1 February 2004	no value
1 March 2004	no value
1 April 2004	no value
1 May 2004	no value
1 June 2004	no value
1 July 2004	no value
1 August 2004	no value
1 September 2004	no value
1 October 2004	no value
1 November 2004	no value
1 December 2004	no value
1 January 2005	no value
1 February 2005	no value
1 March 2005	no value
1 April 2005	no value
1 May 2005	no value
1 June 2005	no value
1 July 2005	no value
1 August 2005	no value
1 September 2005	no value
1 October 2005	no value
1 November 2005	no value
1 December 2005	no value
1 January 2006	no value
1 February 2006	no value
1 March 2006	no value
1 April 2006	no value
1 May 2006	no value
1 June 2006	no value
1 July 2006	no value
1 August 2006	no value
1 September 2006	no value
1 October 2006	no value
1 November 2006	no value
1 December 2006	no value
1 January 2007	no value
1 February 2007	no value
1 March 2007	no value
1 April 2007	no value
1 May 2007	no value
1 June 2007	no value
1 July 2007	no value
1 August 2007	no value
1 September 2007	no value
1 October 2007	no value
1 November 2007	no value
1 December 2007	no value
1 January 2008	no value
1 February 2008	no value
1 March 2008	no value
1 April 2008	no value
1 May 2008	no value
1 June 2008	no value
1 July 2008	no value
1 August 2008	no value
1 September 2008	no value
1 October 2008	no value
1 November 2008	no value
1 December 2008	no value
1 January 2009	no value
1 February 2009	no value
1 March 2009	no value
1 April 2009	no value
1 May 2009	no value
1 June 2009	no value
1 July 2009	no value
1 August 2009	no value
1 September 2009	no value
1 October 2009	no value
1 November 2009	no value
1 December 2009	no value
1 January 2010	no value
1 February 2010	no value
1 March 2010	no value
1 April 2010	no value
1 May 2010	no value
1 June 2010	no value
1 July 2010	no value
1 August 2010	no value
1 September 2010	no value
1 October 2010	no value
1 November 2010	no value
1 December 2010	no value
1 January 2011	no value
1 February 2011	no value
1 March 2011	no value
1 April 2011	no value
1 May 2011	no value
1 June 2011	no value
1 July 2011	no value
1 August 2011	no value
1 September 2011	no value
1 October 2011	no value
1 November 2011	no value
1 December 2011	no value
1 January 2012	no value
1 February 2012	no value
1 March 2012	no value
1 April 2012	no value
1 May 2012	no value
1 June 2012	no value
1 July 2012	no value
1 August 2012	no value
1 September 2012	no value
1 October 2012	no value
1 November 2012	no value
1 December 2012	no value
1 January 2013	no value
1 February 2013	no value
1 March 2013	no value
1 April 2013	no value
1 May 2013	no value
1 June 2013	no value
1 July 2013	no value
1 August 2013	no value
1 September 2013	no value
1 October 2013	no value
1 November 2013	no value
1 December 2013	no value
1 January 2014	no value
1 February 2014	no value
1 March 2014	no value
1 April 2014	no value
1 May 2014	no value
1 June 2014	no value
1 July 2014	no value
1 August 2014	no value
1 September 2014	no value
1 October 2014	no value
1 November 2014	no value
1 December 2014	no value
1 January 2015	no value
1 February 2015	no value
1 March 2015	no value
1 April 2015	no value
1 May 2015	no value
1 June 2015	no value
1 July 2015	no value
1 August 2015	no value
1 September 2015	no value
1 October 2015	no value
1 November 2015	no value
1 December 2015	no value
1 January 2016	no value
1 February 2016	no value
1 March 2016	no value
1 April 2016	no value
1 May 2016	no value
1 June 2016	no value
1 July 2016	no value
1 August 2016	no value
1 September 2016	no value
1 October 2016	no value
1 November 2016	no value
1 December 2016	0.966 m
1 January 2017	0.982 m
1 February 2017	1.051 m
1 March 2017	1.073 m
1 April 2017	0.997 m
1 May 2017	0.998 m
1 June 2017	0.964 m
1 July 2017	0.995 m
1 August 2017	0.520 m
1 September 2017	0.359 m
1 October 2017	0.538 m
1 November 2017	0.967 m
1 December 2017	1.029 m
1 January 2018	1.162 m
1 February 2018	1.185 m
1 March 2018	1.214 m
1 April 2018	1.155 m
1 May 2018	1.017 m
1 June 2018	1.149 m
1 July 2018	0.988 m
1 August 2018	0.937 m
1 September 2018	0.798 m
1 October 2018	0.897 m
1 November 2018	1.044 m
1 December 2018	1.354 m
1 January 2019	1.064 m
1 February 2019	1.237 m
1 March 2019	1.105 m
1 April 2019	1.015 m
1 May 2019	0.988 m
1 June 2019	0.969 m
1 July 2019	0.834 m
1 August 2019	0.788 m
1 September 2019	0.789 m
1 October 2019	0.904 m
1 November 2019	1.362 m
1 December 2019	1.465 m
1 January 2020	1.294 m
1 February 2020	1.363 m
1 March 2020	1.403 m
1 April 2020	1.039 m
1 May 2020	1.010 m
1 June 2020	0.986 m
1 July 2020	0.921 m
1 August 2020	0.820 m
1 September 2020	0.851 m
1 October 2020	1.022 m
1 November 2020	1.073 m
1 December 2020	1.379 m
1 January 2021	1.350 m
1 February 2021	1.306 m
1 March 2021	1.033 m
1 April 2021	1.003 m
1 May 2021	1.002 m
1 June 2021	1.011 m
1 July 2021	0.980 m
1 August 2021	0.956 m
1 September 2021	0.830 m
1 October 2021	1.026 m
1 November 2021	0.992 m
1 December 2021	1.204 m
1 January 2022	1.213 m
1 February 2022	1.070 m
1 March 2022	1.053 m
1 April 2022	1.032 m
1 May 2022	0.994 m
1 June 2022	0.960 m
1 July 2022	0.850 m
1 August 2022	0.800 m
1 September 2022	0.799 m
1 October 2022	0.798 m
1 November 2022	0.993 m
1 December 2022	1.152 m
1 January 2023	1.321 m
1 February 2023	1.067 m
1 March 2023	1.311 m
1 April 2023	1.122 m
1 May 2023	1.009 m
1 June 2023	0.965 m
1 July 2023	0.947 m
1 August 2023	0.953 m
1 September 2023	0.920 m
1 October 2023	1.060 m
1 November 2023	1.466 m
1 December 2023	1.337 m
1 January 2024	1.401 m
1 February 2024	1.483 m
1 March 2024	1.352 m
1 April 2024	1.214 m
1 May 2024	1.106 m
1 June 2024	1.173 m
1 July 2024	1.023 m
1 August 2024	0.969 m
1 September 2024	0.957 m
1 October 2024	1.272 m
1 November 2024	1.230 m
1 December 2024	1.072 m
1 January 2025	1.821 m
1 February 2025	1.283 m
1 March 2025	1.039 m
1 April 2025	0.970 m
1 May 2025	0.952 m
1 June 2025	0.883 m
1 July 2025	0.829 m
1 August 2025	0.791 m
1 September 2025	0.866 m
1 October 2025	0.856 m
1 November 2025	0.876 m
1 December 2025	0.981 m
1 January 2026	1.211 m
1 February 2026	1.725 m
1 March 2026	1.058 m
1 April 2026	0.943 m
1 May 2026	0.950 m
1 June 2026	0.863 m
1 July 2026	0.786 m
1 August 2026	0.786 m
1 September 2026	0.781 m
1 October 2026	0.786 m

How this compares

The daily high on 25 October 2026 was 0.834 m, the second lowest for 25 October in 32 years of record (1973 to 2026). The newest value is provisional.
So far in 2026 the daily high was below the normal range on 196 of 298 days, the most of any of the 37 years counted from 1973 to 2026. The next most was 184 days in 2025.

Same date in past years

25 October in the last 10 years

Day	Level	Against the normal range for the date
25 October 2025	0.858 m
25 October 2024	1.117 m
25 October 2023	1.127 m
25 October 2022	0.80 m
25 October 2021	0.983 m
25 October 2020	1.193 m
25 October 2019	0.968 m
25 October 2018	0.948 m
25 October 2017	0.952 m
25 October 2016	no value

Year by year

Lowest and highestAcross the year

The lowest and highest daily high of each year

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 Hâvre at Mésanger in each year from 1973 to 2025 with a value on at least 300 days, and in 2026 so far. The lowest daily high in our series since 1 January 1973 was 0.35 m, on 17 September 2017. The highest was 3.377 m, on 9 October 2024.

Table: The lowest and highest daily high of each year

Year	Lowest daily high (m)	Day	Highest daily high (m)	Day	Days with a value
1973	0.737 m	14 August	2.15 m	24 August	355
1975	0.798 m	15 October	2.38 m	27 January	311
1977	0.901 m	21 August	2.55 m	8 July	365
1978	0.796 m	2 October	2.58 m	24 January	365
1979	0.93 m	12 August	2.71 m	5 February	365
1980	0.96 m	17 September	2.58 m	27 March	366
1981	0.882 m	9 October	2.97 m	12 May	365
1982	0.903 m	16 April	2.76 m	6 January	365
1983	0.97 m	5 August	2.95 m	9 April	365
1984	0.936 m	21 August	2.74 m	23 November	366
1985	0.876 m	13 July	2.68 m	15 February	365
1986	0.721 m	19 August	2.57 m	1 March	365
1987	0.712 m	24 September	2.56 m	18 December	365
1988	0.962 m	3 August	2.76 m	29 January	366
1992	0.849 m	21 July	2.68 m	4 December	366
1993	0.891 m	10 September	3.00 m	11 January	365
1994	0.942 m	17 July	2.71 m	29 December	365
1995	0.934 m	3 August	2.91 m	20 January	324
2017	0.35 m	17 September	1.227 m	27 December	365
2018	0.766 m	28 September	2.607 m	21 December	365
2019	0.787 m	16 July	2.796 m	27 November	365
2020	0.748 m	2 August	2.83 m	5 March	366
2021	0.788 m	30 September	2.711 m	28 December	365
2022	0.776 m	17 July	2.372 m	4 January	365
2023	0.806 m	19 September	2.748 m	2 November	365
2024	0.875 m	21 September	3.377 m	9 October	356
2025	0.779 m	18 July	2.808 m	9 January	365
2026so far, provisional	0.778 m	30 June	2.619 m	19 February	298

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

The year so far
2025, 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 Hâvre at Mésanger in each year from 1973 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 1 January 1973 was in 2017, 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	2026 so far Weekly average of daily highs (m)	2017, lowest day Weekly average of daily highs (m)	2024, highest day Weekly average of daily highs (m)	Normal range (m)
1 Jan to 7 Jan	0.923 m	0.973 m	1.915 m	1.002 m to 2.097 m
8 Jan to 14 Jan	1.126 m	0.978 m	1.116 m	0.996 m to 2.095 m
15 Jan to 21 Jan	1.205 m	0.995 m	1.455 m	1.005 m to 2.023 m
22 Jan to 28 Jan	1.572 m	0.972 m	1.240 m	1.015 m to 2.138 m
29 Jan to 4 Feb	1.260 m	1.046 m	1.096 m	1.020 m to 2.174 m
5 Feb to 11 Feb	1.770 m	1.101 m	1.770 m	1.021 m to 2.136 m
12 Feb to 18 Feb	2.449 m	1.020 m	1.150 m	1.022 m to 2.002 m
19 Feb to 25 Feb	1.491 m	1.010 m	1.789 m	1.027 m to 1.836 m
26 Feb to 4 Mar	1.070 m	1.113 m	1.655 m	1.026 m to 1.693 m
5 Mar to 11 Mar	1.031 m	1.116 m	1.438 m	1.022 m to 1.400 m
12 Mar to 18 Mar	1.169 m	1.068 m	1.212 m	1.020 m to 1.380 m
19 Mar to 25 Mar	1.031 m	1.038 m	1.157 m	1.011 m to 1.446 m
26 Mar to 1 Apr	0.990 m	1.022 m	1.344 m	1.010 m to 1.362 m
2 Apr to 8 Apr	0.966 m	1.007 m	1.570 m	1.008 m to 1.291 m
9 Apr to 15 Apr	0.949 m	1.000 m	1.166 m	1.000 m to 1.223 m
16 Apr to 22 Apr	0.934 m	0.989 m	1.056 m	0.990 m to 1.132 m
23 Apr to 29 Apr	0.922 m	0.989 m	1.088 m	0.988 m to 1.088 m
30 Apr to 6 May	0.954 m	1.007 m	1.120 m	0.988 m to 1.082 m
7 May to 13 May	1.029 m	1.000 m	1.255 m	0.985 m to 1.083 m
14 May to 20 May	0.941 m	1.004 m	1.061 m	0.980 m to 1.073 m
21 May to 27 May	0.909 m	0.982 m	1.048 m	0.970 m to 1.069 m
28 May to 3 Jun	0.894 m	0.984 m	1.025 m	0.965 m to 1.047 m
4 Jun to 10 Jun	0.889 m	0.967 m	1.004 m	0.960 m to 1.030 m
11 Jun to 17 Jun	0.876 m	0.958 m	0.996 m	0.945 m to 1.027 m
18 Jun to 24 Jun	0.850 m	0.957 m	1.696 m	0.938 m to 1.026 m
25 Jun to 1 Jul	0.809 m	0.972 m	1.044 m	0.934 m to 1.019 m
2 Jul to 8 Jul	0.781 m	0.985 m	1.012 m	0.921 m to 1.016 m
9 Jul to 15 Jul	0.791 m	1.033 m	1.070 m	0.887 m to 1.020 m
16 Jul to 22 Jul	0.794 m	1.013 m	1.023 m	0.838 m to 1.010 m
23 Jul to 29 Jul	0.782 m	0.976 m	1.003 m	0.841 m to 1.000 m
30 Jul to 5 Aug	0.781 m	0.909 m	0.978 m	0.800 m to 0.996 m
6 Aug to 12 Aug	0.783 m	0.681 m	0.964 m	0.787 m to 0.994 m
13 Aug to 19 Aug	0.783 m	0.360 m	0.968 m	0.780 m to 0.992 m
20 Aug to 26 Aug	0.788 m	0.360 m	0.978 m	0.784 m to 0.994 m
27 Aug to 2 Sep	0.792 m	0.361 m	0.963 m	0.788 m to 0.996 m
3 Sep to 9 Sep	0.780 m	0.359 m	no value	0.788 m to 0.997 m
10 Sep to 16 Sep	0.781 m	0.360 m	no value	0.788 m to 1.000 m
17 Sep to 23 Sep	0.781 m	0.358 m	0.885 m	0.787 m to 1.020 m
24 Sep to 30 Sep	0.783 m	0.357 m	1.039 m	0.788 m to 1.023 m
1 Oct to 7 Oct	0.789 m	0.359 m	0.970 m	0.788 m to 1.032 m
8 Oct to 14 Oct	0.780 m	0.359 m	1.797 m	0.800 m to 1.060 m
15 Oct to 21 Oct	0.780 m	0.370 m	1.135 m	0.834 m to 1.085 m
22 Oct to 28 Oct	no value	0.887 m	1.278 m	0.904 m to 1.080 m
29 Oct to 4 Nov	no value	0.952 m	1.033 m	0.933 m to 1.096 m
5 Nov to 11 Nov	no value	0.964 m	0.996 m	0.960 m to 1.216 m
12 Nov to 18 Nov	no value	0.966 m	0.971 m	0.966 m to 1.270 m
19 Nov to 25 Nov	no value	0.962 m	1.331 m	0.969 m to 1.270 m
26 Nov to 2 Dec	no value	0.987 m	1.702 m	0.978 m to 1.315 m
3 Dec to 9 Dec	no value	0.988 m	1.146 m	0.981 m to 1.500 m
10 Dec to 16 Dec	no value	1.043 m	1.061 m	0.975 m to 1.844 m
17 Dec to 23 Dec	no value	0.988 m	1.039 m	0.981 m to 1.894 m
24 Dec to 31 Dec	no value	1.099 m	1.042 m	0.988 m to 1.920 m

Every year

Year	Days with a value	Days below the normal range
2026to 25 October 2026	298	196
2025	365	184
2024	356	1
2023	365	10
2022	365	64
2021	365	3
2020	366	38
2019	365	55
2018	365	20
2017	365	143
2016	25	23
1998	173	4
1997	264	9
1996	260	1
1995	324	6
1994	365	0
1993	365	31
1992	366	118
1991	297	9
1990	270	27
1989	269	58
1988	366	5
1987	365	7
1986	365	30
1985	365	40
1984	366	12
1983	365	0
1982	365	22
1981	365	8
1980	366	0
1979	365	7
1978	365	32
1977	365	3
1976	235	55
1975	311	2
1974	257	0
1973	355	95

How it compares

That is below the normal range for the date, in the lowest 5 percent of the daily highs of these dates in the 30 years between 1973 and 2025.

Records

Highest daily high in our series since 1 January 1973: 3.377 m on 9 October 2024.
Lowest daily high in our series since 1 January 1973: 0.35 m on 17 September 2017.

About this gauge

Mésanger is a gauge on the Hâvre in Loire-Atlantique, France.

It lies at 47.4200° N, 1.2976° 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 1 January 1973.

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 below the normal range for the date, in the lowest 10 percent of the daily highs of these dates in the 30 years between 1973 and 2025.

The normal range for 25 October is 0.90 m to 1.08 m: the 10th to 90th percentile of the daily highs from 18 October to 1 November in 30 years between 1973 and 2025.

Keep exploring

Sources

Source : Hub'Eau / SCV, données PHyC (Licence Ouverte Etalab) (source). Licence: Licence Ouverte / Open Licence version 2.0