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Ottawa River water level at Britannia today

Is the Ottawa River at Britannia within its normal range for the date?

The Ottawa River at Britannia read 57.823 m at .

Level now

within the normal range for the date

57.823 m

Provisional

within the normal range for the date

57.823 mNormal for the date57.78 m to 58.66 mLowest 57.442 mMedian 58.07 m
The normal range for 26 October is 57.78 m to 58.66 m: the 10th to 90th percentile of the daily averages from 19 October to 2 November in 105 years between 1915 and 2024.
Table: where the water stands
LevelValue
Newest reading57.823 m,
Normal range for the date57.78 m to 58.66 m
Median for the date58.07 m
Lowest in our series57.442 m
Past day
-0.012 m
Past week
-0.004 m

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

Level history

within the normal range for the date

On the Ottawa River at Britannia averaged 57.836 m.

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

The last 90 days, against the normal range for each day 57.5 m 58.0 m 58.5 m Lowest 57.442 m 57.836 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of the Ottawa River at Britannia 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 average (m)Normal rangeMedianA year earlier
no value57.781 m to 58.475 m58.028 mno value
no value57.774 m to 58.470 m58.021 mno value
no value57.769 m to 58.460 m58.013 mno value
no value57.766 m to 58.465 m58.011 mno value
no value57.763 m to 58.447 m58.009 mno value
no value57.755 m to 58.430 m58.000 mno value
no value57.751 m to 58.400 m57.997 mno value
no value57.748 m to 58.391 m57.994 mno value
no value57.747 m to 58.382 m57.994 mno value
no value57.744 m to 58.365 m57.988 mno value
no value57.744 m to 58.353 m57.988 mno value
no value57.741 m to 58.340 m57.988 mno value
no value57.738 m to 58.340 m57.985 mno value
no value57.736 m to 58.340 m57.982 mno value
no value57.735 m to 58.325 m57.979 mno value
no value57.733 m to 58.310 m57.979 mno value
no value57.729 m to 58.310 m57.979 mno value
no value57.729 m to 58.310 m57.979 mno value
no value57.729 m to 58.310 m57.979 mno value
no value57.726 m to 58.304 m57.979 mno value
no value57.727 m to 58.293 m57.979 mno value
no value57.727 m to 58.286 m57.973 mno value
no value57.727 m to 58.277 m57.970 mno value
no value57.727 m to 58.270 m57.965 mno value
no value57.729 m to 58.270 m57.964 mno value
no value57.729 m to 58.270 m57.959 mno value
no value57.728 m to 58.259 m57.956 mno value
no value57.727 m to 58.240 m57.955 mno value
no value57.726 m to 58.240 m57.951 mno value
no value57.726 m to 58.240 m57.949 mno value
no value57.723 m to 58.237 m57.946 mno value
no value57.724 m to 58.223 m57.941 mno value
no value57.722 m to 58.210 m57.940 mno value
no value57.720 m to 58.210 m57.939 mno value
no value57.719 m to 58.210 m57.933 mno value
no value57.716 m to 58.210 m57.932 mno value
no value57.711 m to 58.210 m57.930 mno value
no value57.708 m to 58.210 m57.928 mno value
no value57.706 m to 58.210 m57.925 mno value
no value57.702 m to 58.210 m57.924 mno value
no value57.696 m to 58.210 m57.923 mno value
no value57.696 m to 58.218 m57.921 mno value
no value57.693 m to 58.222 m57.920 mno value
no value57.692 m to 58.224 m57.920 mno value
58.026 m57.689 m to 58.226 m57.918 mno value
58.011 m57.689 m to 58.227 m57.918 mno value
57.947 m57.687 m to 58.230 m57.916 mno value
57.950 m57.685 m to 58.240 m57.915 mno value
57.905 m57.686 m to 58.240 m57.915 mno value
57.902 m57.686 m to 58.240 m57.916 mno value
57.935 m57.685 m to 58.240 m57.918 mno value
57.932 m57.683 m to 58.240 m57.918 mno value
57.917 m57.685 m to 58.240 m57.918 mno value
57.882 m57.686 m to 58.241 m57.921 mno value
57.858 m57.686 m to 58.241 m57.921 mno value
57.838 m57.689 m to 58.250 m57.924 mno value
57.842 m57.689 m to 58.253 m57.933 mno value
57.820 m57.689 m to 58.263 m57.933 mno value
57.809 m57.689 m to 58.268 m57.939 mno value
57.800 m57.693 m to 58.270 m57.940 mno value
57.780 m57.696 m to 58.270 m57.942 mno value
57.753 m57.697 m to 58.270 m57.949 mno value
57.781 m57.701 m to 58.278 m57.952 mno value
57.765 m57.705 m to 58.283 m57.955 mno value
57.747 m57.705 m to 58.289 m57.958 mno value
57.740 m57.710 m to 58.291 m57.958 mno value
57.747 m57.714 m to 58.309 m57.962 mno value
57.708 m57.714 m to 58.310 m57.969 mno value
57.681 m57.714 m to 58.312 m57.970 mno value
57.704 m57.719 m to 58.320 m57.974 mno value
57.691 m57.720 m to 58.328 m57.976 mno value
57.686 m57.719 m to 58.335 m57.978 mno value
57.690 m57.716 m to 58.340 m57.979 mno value
57.683 m57.720 m to 58.340 m57.979 mno value
57.676 m57.720 m to 58.357 m57.985 mno value
57.675 m57.720 m to 58.370 m57.988 mno value
57.679 m57.721 m to 58.394 m57.991 mno value
57.691 m57.724 m to 58.406 m57.995 mno value
57.748 m57.731 m to 58.427 m57.999 mno value
57.770 m57.735 m to 58.437 m58.000 mno value
57.809 m57.738 m to 58.460 m58.003 mno value
57.832 m57.745 m to 58.474 m58.013 mno value
57.829 m57.750 m to 58.490 m58.023 mno value
57.825 m57.754 m to 58.520 m58.025 mno value
57.827 m57.760 m to 58.520 m58.030 mno value
57.825 m57.763 m to 58.550 m58.040 mno value
57.840 m57.768 m to 58.558 m58.049 mno value
57.827 m57.773 m to 58.585 m58.058 mno value
57.831 m57.776 m to 58.615 m58.060 mno value
57.836 m57.778 m to 58.650 m58.060 mno value

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

The last 12 months, against the normal range for each day 58 m 59 m Lowest 57.442 m 57.836 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of the Ottawa River at Britannia 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 average (m)Normal rangeMedian
no value57.778 m to 58.650 m58.060 m
no value57.784 m to 58.664 m58.070 m
no value57.788 m to 58.681 m58.080 m
no value57.790 m to 58.686 m58.086 m
no value57.791 m to 58.702 m58.090 m
no value57.796 m to 58.715 m58.090 m
no value57.796 m to 58.716 m58.099 m
no value57.801 m to 58.718 m58.102 m
no value57.807 m to 58.720 m58.109 m
no value57.813 m to 58.720 m58.116 m
no value57.818 m to 58.717 m58.120 m
no value57.820 m to 58.713 m58.120 m
no value57.821 m to 58.708 m58.123 m
no value57.824 m to 58.709 m58.129 m
no value57.833 m to 58.708 m58.141 m
no value57.838 m to 58.709 m58.149 m
no value57.845 m to 58.717 m58.150 m
no value57.845 m to 58.723 m58.156 m
no value57.847 m to 58.730 m58.171 m
no value57.851 m to 58.730 m58.180 m
no value57.856 m to 58.731 m58.183 m
no value57.861 m to 58.735 m58.195 m
no value57.866 m to 58.741 m58.202 m
no value57.869 m to 58.746 m58.210 m
no value57.871 m to 58.760 m58.210 m
no value57.872 m to 58.762 m58.218 m
no value57.878 m to 58.770 m58.223 m
no value57.878 m to 58.774 m58.232 m
no value57.885 m to 58.777 m58.238 m
no value57.891 m to 58.777 m58.239 m
no value57.901 m to 58.775 m58.240 m
no value57.909 m to 58.769 m58.240 m
no value57.909 m to 58.771 m58.246 m
no value57.910 m to 58.767 m58.250 m
no value57.910 m to 58.760 m58.255 m
no value57.912 m to 58.758 m58.257 m
no value57.916 m to 58.754 m58.261 m
no value57.920 m to 58.740 m58.263 m
no value57.922 m to 58.735 m58.268 m
no value57.924 m to 58.730 m58.269 m
no value57.927 m to 58.730 m58.270 m
no value57.929 m to 58.730 m58.270 m
no value57.932 m to 58.704 m58.274 m
no value57.929 m to 58.700 m58.275 m
no value57.927 m to 58.681 m58.280 m
no value57.929 m to 58.670 m58.280 m
no value57.932 m to 58.654 m58.281 m
no value57.932 m to 58.640 m58.281 m
no value57.927 m to 58.623 m58.284 m
no value57.926 m to 58.614 m58.282 m
no value57.921 m to 58.606 m58.281 m
no value57.921 m to 58.600 m58.281 m
no value57.920 m to 58.591 m58.281 m
no value57.918 m to 58.585 m58.278 m
no value57.920 m to 58.579 m58.275 m
no value57.918 m to 58.571 m58.272 m
no value57.918 m to 58.562 m58.270 m
no value57.918 m to 58.553 m58.269 m
no value57.918 m to 58.549 m58.262 m
no value57.920 m to 58.546 m58.253 m
no value57.923 m to 58.544 m58.250 m
no value57.924 m to 58.545 m58.240 m
no value57.924 m to 58.547 m58.238 m
no value57.924 m to 58.546 m58.230 m
no value57.924 m to 58.541 m58.220 m
no value57.924 m to 58.538 m58.211 m
no value57.924 m to 58.539 m58.210 m
no value57.924 m to 58.539 m58.210 m
no value57.933 m to 58.537 m58.208 m
no value57.933 m to 58.532 m58.208 m
no value57.933 m to 58.532 m58.205 m
no value57.935 m to 58.535 m58.205 m
no value57.939 m to 58.541 m58.210 m
no value57.946 m to 58.543 m58.210 m
no value57.949 m to 58.546 m58.210 m
no value57.952 m to 58.540 m58.215 m
no value57.955 m to 58.540 m58.217 m
no value57.959 m to 58.537 m58.220 m
no value57.964 m to 58.533 m58.225 m
no value57.964 m to 58.533 m58.227 m
no value57.964 m to 58.533 m58.231 m
no value57.964 m to 58.533 m58.233 m
no value57.964 m to 58.533 m58.235 m
no value57.956 m to 58.535 m58.238 m
no value57.955 m to 58.537 m58.240 m
no value57.955 m to 58.535 m58.240 m
no value57.955 m to 58.533 m58.240 m
no value57.950 m to 58.532 m58.241 m
no value57.949 m to 58.531 m58.241 m
no value57.949 m to 58.530 m58.241 m
no value57.946 m to 58.531 m58.241 m
no value57.942 m to 58.529 m58.241 m
no value57.940 m to 58.528 m58.241 m
no value57.940 m to 58.527 m58.241 m
no value57.939 m to 58.526 m58.241 m
no value57.939 m to 58.523 m58.240 m
no value57.939 m to 58.521 m58.240 m
no value57.939 m to 58.520 m58.240 m
no value57.938 m to 58.518 m58.240 m
no value57.939 m to 58.516 m58.240 m
no value57.933 m to 58.514 m58.240 m
no value57.933 m to 58.510 m58.236 m
no value57.933 m to 58.506 m58.232 m
no value57.929 m to 58.503 m58.229 m
no value57.933 m to 58.502 m58.230 m
no value57.933 m to 58.501 m58.227 m
no value57.933 m to 58.500 m58.223 m
no value57.929 m to 58.500 m58.220 m
no value57.932 m to 58.497 m58.220 m
no value57.933 m to 58.495 m58.220 m
no value57.932 m to 58.492 m58.220 m
no value57.932 m to 58.491 m58.216 m
no value57.927 m to 58.490 m58.214 m
no value57.927 m to 58.489 m58.212 m
no value57.926 m to 58.487 m58.210 m
no value57.926 m to 58.483 m58.210 m
no value57.923 m to 58.478 m58.211 m
no value57.927 m to 58.478 m58.211 m
no value57.927 m to 58.476 m58.210 m
no value57.927 m to 58.476 m58.209 m
no value57.925 m to 58.476 m58.205 m
no value57.920 m to 58.475 m58.199 m
no value57.918 m to 58.475 m58.195 m
no value57.921 m to 58.473 m58.195 m
no value57.921 m to 58.472 m58.193 m
no value57.923 m to 58.473 m58.192 m
no value57.931 m to 58.475 m58.192 m
no value57.933 m to 58.476 m58.191 m
no value57.933 m to 58.476 m58.192 m
no value57.933 m to 58.478 m58.192 m
no value57.940 m to 58.481 m58.190 m
no value57.940 m to 58.484 m58.189 m
no value57.940 m to 58.491 m58.191 m
no value57.941 m to 58.500 m58.194 m
no value57.948 m to 58.509 m58.199 m
no value57.952 m to 58.517 m58.204 m
no value57.955 m to 58.522 m58.206 m
no value57.955 m to 58.527 m58.210 m
no value57.961 m to 58.536 m58.214 m
no value57.964 m to 58.550 m58.217 m
no value57.964 m to 58.560 m58.220 m
no value57.967 m to 58.576 m58.226 m
no value57.970 m to 58.582 m58.235 m
no value57.970 m to 58.591 m58.240 m
no value57.970 m to 58.610 m58.247 m
no value57.972 m to 58.628 m58.253 m
no value57.975 m to 58.643 m58.260 m
no value57.982 m to 58.672 m58.270 m
no value57.991 m to 58.689 m58.275 m
no value57.996 m to 58.700 m58.290 m
no value58.000 m to 58.722 m58.299 m
no value58.004 m to 58.737 m58.314 m
no value58.016 m to 58.770 m58.330 m
no value58.025 m to 58.808 m58.340 m
no value58.030 m to 58.860 m58.357 m
no value58.035 m to 58.880 m58.370 m
no value58.046 m to 58.894 m58.386 m
no value58.055 m to 58.939 m58.408 m
no value58.060 m to 58.970 m58.437 m
no value58.070 m to 58.999 m58.467 m
no value58.086 m to 59.040 m58.490 m
no value58.090 m to 59.080 m58.520 m
no value58.090 m to 59.113 m58.540 m
no value58.102 m to 59.142 m58.566 m
no value58.113 m to 59.168 m58.580 m
no value58.120 m to 59.184 m58.601 m
no value58.139 m to 59.202 m58.628 m
no value58.153 m to 59.225 m58.655 m
no value58.177 m to 59.265 m58.674 m
no value58.190 m to 59.304 m58.700 m
no value58.205 m to 59.340 m58.721 m
no value58.211 m to 59.370 m58.739 m
no value58.232 m to 59.396 m58.760 m
no value58.244 m to 59.418 m58.792 m
no value58.269 m to 59.434 m58.825 m
no value58.286 m to 59.473 m58.854 m
no value58.310 m to 59.498 m58.880 m
no value58.325 m to 59.532 m58.909 m
no value58.371 m to 59.552 m58.930 m
no value58.404 m to 59.570 m58.963 m
no value58.430 m to 59.590 m58.979 m
no value58.474 m to 59.594 m59.005 m
no value58.490 m to 59.606 m59.032 m
no value58.500 m to 59.620 m59.051 m
no value58.503 m to 59.625 m59.076 m
no value58.509 m to 59.640 m59.100 m
no value58.506 m to 59.655 m59.110 m
no value58.503 m to 59.674 m59.128 m
no value58.497 m to 59.680 m59.130 m
no value58.488 m to 59.697 m59.140 m
no value58.474 m to 59.710 m59.140 m
no value58.464 m to 59.716 m59.137 m
no value58.451 m to 59.732 m59.130 m
no value58.436 m to 59.740 m59.122 m
no value58.420 m to 59.744 m59.106 m
no value58.403 m to 59.750 m59.082 m
no value58.388 m to 59.750 m59.060 m
no value58.372 m to 59.758 m59.042 m
no value58.352 m to 59.757 m59.018 m
no value58.337 m to 59.750 m59.005 m
no value58.313 m to 59.748 m58.985 m
no value58.299 m to 59.745 m58.954 m
no value58.281 m to 59.740 m58.932 m
no value58.268 m to 59.739 m58.910 m
no value58.250 m to 59.731 m58.880 m
no value58.238 m to 59.716 m58.868 m
no value58.228 m to 59.701 m58.850 m
no value58.218 m to 59.678 m58.842 m
no value58.201 m to 59.620 m58.823 m
no value58.185 m to 59.590 m58.817 m
no value58.182 m to 59.560 m58.800 m
no value58.175 m to 59.520 m58.790 m
no value58.168 m to 59.492 m58.778 m
no value58.160 m to 59.472 m58.760 m
no value58.156 m to 59.460 m58.741 m
no value58.148 m to 59.430 m58.730 m
no value58.135 m to 59.430 m58.716 m
no value58.131 m to 59.426 m58.692 m
no value58.128 m to 59.400 m58.673 m
no value58.120 m to 59.370 m58.662 m
no value58.116 m to 59.345 m58.645 m
no value58.109 m to 59.320 m58.630 m
no value58.105 m to 59.305 m58.614 m
no value58.095 m to 59.280 m58.601 m
no value58.086 m to 59.250 m58.590 m
no value58.077 m to 59.242 m58.580 m
no value58.069 m to 59.220 m58.573 m
no value58.058 m to 59.206 m58.563 m
no value58.055 m to 59.190 m58.547 m
no value58.046 m to 59.186 m58.524 m
no value58.040 m to 59.179 m58.500 m
no value58.031 m to 59.162 m58.488 m
no value58.031 m to 59.160 m58.467 m
no value58.026 m to 59.153 m58.452 m
no value58.020 m to 59.130 m58.442 m
no value58.018 m to 59.115 m58.430 m
no value58.013 m to 59.100 m58.421 m
no value58.003 m to 59.096 m58.412 m
no value57.999 m to 59.070 m58.403 m
no value57.996 m to 59.045 m58.377 m
no value57.994 m to 59.040 m58.369 m
no value57.991 m to 59.015 m58.345 m
no value57.988 m to 59.010 m58.335 m
no value57.982 m to 58.980 m58.317 m
no value57.970 m to 58.964 m58.309 m
no value57.964 m to 58.950 m58.299 m
no value57.950 m to 58.910 m58.284 m
no value57.939 m to 58.903 m58.270 m
no value57.936 m to 58.880 m58.260 m
no value57.930 m to 58.869 m58.252 m
no value57.919 m to 58.850 m58.243 m
no value57.910 m to 58.820 m58.238 m
no value57.909 m to 58.819 m58.224 m
no value57.903 m to 58.790 m58.217 m
no value57.897 m to 58.790 m58.210 m
no value57.888 m to 58.772 m58.199 m
no value57.882 m to 58.760 m58.190 m
no value57.878 m to 58.760 m58.179 m
no value57.873 m to 58.744 m58.165 m
no value57.867 m to 58.730 m58.159 m
no value57.861 m to 58.700 m58.150 m
no value57.854 m to 58.670 m58.147 m
no value57.850 m to 58.654 m58.140 m
no value57.844 m to 58.643 m58.131 m
no value57.836 m to 58.640 m58.125 m
no value57.826 m to 58.624 m58.119 m
no value57.814 m to 58.611 m58.116 m
no value57.810 m to 58.600 m58.107 m
no value57.808 m to 58.581 m58.099 m
no value57.802 m to 58.566 m58.090 m
no value57.796 m to 58.533 m58.079 m
no value57.793 m to 58.520 m58.067 m
no value57.790 m to 58.500 m58.059 m
no value57.787 m to 58.490 m58.051 m
no value57.787 m to 58.482 m58.040 m
no value57.784 m to 58.482 m58.034 m
no value57.781 m to 58.475 m58.028 m
no value57.774 m to 58.470 m58.021 m
no value57.769 m to 58.460 m58.013 m
no value57.766 m to 58.465 m58.011 m
no value57.763 m to 58.447 m58.009 m
no value57.755 m to 58.430 m58.000 m
no value57.751 m to 58.400 m57.997 m
no value57.748 m to 58.391 m57.994 m
no value57.747 m to 58.382 m57.994 m
no value57.744 m to 58.365 m57.988 m
no value57.744 m to 58.353 m57.988 m
no value57.741 m to 58.340 m57.988 m
no value57.738 m to 58.340 m57.985 m
no value57.736 m to 58.340 m57.982 m
no value57.735 m to 58.325 m57.979 m
no value57.733 m to 58.310 m57.979 m
no value57.729 m to 58.310 m57.979 m
no value57.729 m to 58.310 m57.979 m
no value57.729 m to 58.310 m57.979 m
no value57.726 m to 58.304 m57.979 m
no value57.727 m to 58.293 m57.979 m
no value57.727 m to 58.286 m57.973 m
no value57.727 m to 58.277 m57.970 m
no value57.727 m to 58.270 m57.965 m
no value57.729 m to 58.270 m57.964 m
no value57.729 m to 58.270 m57.959 m
no value57.728 m to 58.259 m57.956 m
no value57.727 m to 58.240 m57.955 m
no value57.726 m to 58.240 m57.951 m
no value57.726 m to 58.240 m57.949 m
no value57.723 m to 58.237 m57.946 m
no value57.724 m to 58.223 m57.941 m
no value57.722 m to 58.210 m57.940 m
no value57.720 m to 58.210 m57.939 m
no value57.719 m to 58.210 m57.933 m
no value57.716 m to 58.210 m57.932 m
no value57.711 m to 58.210 m57.930 m
no value57.708 m to 58.210 m57.928 m
no value57.706 m to 58.210 m57.925 m
no value57.702 m to 58.210 m57.924 m
no value57.696 m to 58.210 m57.923 m
no value57.696 m to 58.218 m57.921 m
no value57.693 m to 58.222 m57.920 m
no value57.692 m to 58.224 m57.920 m
58.026 m57.689 m to 58.226 m57.918 m
58.011 m57.689 m to 58.227 m57.918 m
57.947 m57.687 m to 58.230 m57.916 m
57.950 m57.685 m to 58.240 m57.915 m
57.905 m57.686 m to 58.240 m57.915 m
57.902 m57.686 m to 58.240 m57.916 m
57.935 m57.685 m to 58.240 m57.918 m
57.932 m57.683 m to 58.240 m57.918 m
57.917 m57.685 m to 58.240 m57.918 m
57.882 m57.686 m to 58.241 m57.921 m
57.858 m57.686 m to 58.241 m57.921 m
57.838 m57.689 m to 58.250 m57.924 m
57.842 m57.689 m to 58.253 m57.933 m
57.820 m57.689 m to 58.263 m57.933 m
57.809 m57.689 m to 58.268 m57.939 m
57.800 m57.693 m to 58.270 m57.940 m
57.780 m57.696 m to 58.270 m57.942 m
57.753 m57.697 m to 58.270 m57.949 m
57.781 m57.701 m to 58.278 m57.952 m
57.765 m57.705 m to 58.283 m57.955 m
57.747 m57.705 m to 58.289 m57.958 m
57.740 m57.710 m to 58.291 m57.958 m
57.747 m57.714 m to 58.309 m57.962 m
57.708 m57.714 m to 58.310 m57.969 m
57.681 m57.714 m to 58.312 m57.970 m
57.704 m57.719 m to 58.320 m57.974 m
57.691 m57.720 m to 58.328 m57.976 m
57.686 m57.719 m to 58.335 m57.978 m
57.690 m57.716 m to 58.340 m57.979 m
57.683 m57.720 m to 58.340 m57.979 m
57.676 m57.720 m to 58.357 m57.985 m
57.675 m57.720 m to 58.370 m57.988 m
57.679 m57.721 m to 58.394 m57.991 m
57.691 m57.724 m to 58.406 m57.995 m
57.748 m57.731 m to 58.427 m57.999 m
57.770 m57.735 m to 58.437 m58.000 m
57.809 m57.738 m to 58.460 m58.003 m
57.832 m57.745 m to 58.474 m58.013 m
57.829 m57.750 m to 58.490 m58.023 m
57.825 m57.754 m to 58.520 m58.025 m
57.827 m57.760 m to 58.520 m58.030 m
57.825 m57.763 m to 58.550 m58.040 m
57.840 m57.768 m to 58.558 m58.049 m
57.827 m57.773 m to 58.585 m58.058 m
57.831 m57.776 m to 58.615 m58.060 m
57.836 m57.778 m to 58.650 m58.060 m

The last 10 years, weekly averages

The last 10 years, weekly averages 58 m 59 m 60 m Highest 60.682 m Lowest 57.442 m 57.830 m
  • Level
  • Our record
Weekly averages of the Ottawa River at Britannia from the week of 24 October 2016 to 25 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
57.804 m
57.828 m
57.833 m
57.793 m
57.828 m
57.939 m
58.143 m
58.090 m
58.035 m
57.991 m
58.051 m
58.271 m
58.394 m
58.370 m
58.370 m
58.371 m
58.368 m
58.473 m
58.825 m
58.906 m
58.758 m
58.553 m
58.512 m
58.882 m
59.434 m
59.854 m
59.670 m
60.137 m
60.245 m
59.635 m
59.273 m
59.145 m
59.100 m
58.658 m
58.669 m
58.682 m
58.896 m
58.641 m
58.370 m
58.218 m
58.053 m
57.997 m
58.069 m
58.247 m
58.241 m
58.238 m
58.192 m
58.104 m
58.092 m
57.967 m
57.964 m
58.015 m
57.980 m
58.398 m
58.446 m
58.405 m
58.332 m
58.272 m
58.408 m
58.657 m
58.542 m
58.309 m
58.326 m
58.436 m
58.525 m
58.576 m
58.499 m
58.461 m
58.445 m
58.525 m
58.527 m
58.468 m
58.399 m
58.172 m
58.141 m
58.243 m
58.116 m
58.232 m
58.529 m
59.352 m
59.735 m
59.367 m
58.972 m
58.899 m
58.840 m
58.523 m
58.239 m
58.207 m
58.056 m
57.800 m
57.716 m
57.807 m
57.830 m
57.870 m
57.849 m
57.902 m
57.957 m
58.009 m
58.379 m
58.218 m
58.051 m
58.063 m
58.281 m
58.819 m
58.826 m
58.684 m
58.526 m
58.728 m
58.460 m
58.435 m
58.470 m
58.402 m
58.390 m
58.395 m
58.352 m
58.435 m
58.464 m
58.471 m
58.449 m
58.475 m
58.517 m
58.491 m
58.495 m
58.493 m
58.279 m
58.281 m
58.267 m
58.358 m
58.621 m
59.323 m
60.128 m
60.590 m
60.473 m
60.494 m
60.161 m
59.972 m
59.356 m
59.011 m
59.194 m
58.897 m
58.498 m
58.191 m
58.001 m
57.909 m
57.796 m
57.733 m
57.741 m
57.755 m
57.727 m
57.689 m
57.638 m
57.631 m
57.720 m
57.782 m
57.699 m
57.622 m
57.740 m
58.149 m
58.312 m
58.316 m
58.254 m
58.226 m
58.200 m
58.268 m
58.268 m
58.249 m
58.224 m
58.274 m
58.426 m
58.479 m
58.459 m
58.444 m
58.422 m
58.378 m
58.354 m
58.334 m
58.344 m
58.519 m
58.550 m
59.026 m
59.479 m
59.435 m
59.108 m
58.871 m
59.132 m
58.847 m
58.489 m
58.429 m
58.529 m
58.462 m
58.290 m
58.133 m
58.136 m
58.017 m
57.951 m
58.056 m
58.068 m
58.158 m
58.076 m
57.979 m
57.961 m
57.995 m
58.185 m
58.246 m
58.271 m
58.230 m
no value
58.200 m
58.386 m
58.824 m
58.763 m
58.590 m
58.505 m
58.493 m
58.595 m
58.497 m
58.407 m
58.426 m
58.423 m
58.442 m
58.543 m
58.511 m
58.512 m
58.454 m
58.490 m
58.485 m
58.451 m
58.353 m
58.367 m
58.410 m
58.602 m
58.986 m
58.515 m
58.345 m
58.244 m
58.108 m
58.121 m
58.182 m
58.098 m
57.953 m
57.851 m
57.807 m
57.759 m
57.700 m
57.849 m
57.905 m
57.933 m
58.308 m
58.325 m
58.174 m
57.940 m
57.892 m
57.791 m
57.699 m
57.618 m
57.589 m
57.942 m
58.449 m
58.245 m
58.167 m
58.312 m
58.418 m
58.255 m
58.146 m
58.126 m
58.140 m
58.151 m
58.139 m
58.272 m
58.465 m
58.436 m
58.377 m
58.405 m
58.496 m
58.437 m
58.386 m
58.433 m
58.373 m
58.270 m
58.176 m
58.295 m
58.343 m
58.643 m
58.630 m
58.743 m
59.170 m
59.300 m
59.361 m
59.256 m
58.970 m
58.776 m
58.822 m
59.040 m
58.897 m
58.932 m
58.755 m
58.447 m
58.212 m
58.071 m
57.923 m
57.875 m
57.909 m
57.978 m
57.886 m
57.856 m
57.813 m
57.810 m
57.772 m
58.004 m
58.205 m
58.142 m
58.083 m
58.181 m
58.190 m
58.124 m
58.044 m
58.215 m
58.241 m
58.273 m
58.304 m
58.248 m
58.264 m
58.416 m
58.576 m
58.582 m
58.571 m
58.569 m
58.531 m
58.596 m
58.537 m
58.437 m
58.429 m
58.402 m
58.376 m
58.329 m
58.271 m
58.526 m
58.969 m
59.801 m
59.853 m
60.176 m
59.949 m
59.180 m
58.914 m
58.561 m
58.204 m
58.147 m
58.118 m
58.167 m
58.089 m
57.995 m
58.002 m
57.979 m
57.934 m
57.956 m
58.067 m
58.005 m
57.912 m
57.955 m
57.972 m
58.124 m
58.083 m
57.980 m
58.172 m
58.455 m
58.637 m
58.886 m
58.700 m
58.657 m
58.526 m
58.422 m
58.314 m
58.311 m
58.349 m
58.302 m
58.354 m
58.416 m
58.496 m
58.499 m
58.512 m
58.505 m
58.517 m
58.397 m
58.433 m
58.644 m
58.730 m
58.475 m
58.136 m
58.302 m
58.690 m
59.325 m
59.322 m
59.286 m
58.974 m
58.590 m
58.257 m
58.184 m
58.146 m
58.104 m
58.067 m
58.566 m
58.354 m
58.462 m
58.267 m
58.120 m
58.095 m
58.048 m
58.070 m
58.127 m
58.039 m
58.037 m
58.261 m
58.111 m
58.090 m
58.215 m
58.237 m
58.190 m
58.099 m
58.020 m
58.345 m
58.805 m
58.627 m
58.505 m
58.383 m
58.336 m
58.353 m
58.329 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
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
57.984 m
57.905 m
57.806 m
57.739 m
57.687 m
57.765 m
57.830 m

The whole record since 1915, monthly averages

The whole record since 1915, monthly averages 58 m 59 m 60 m Highest 60.682 m Lowest 57.442 m 57.754 m
  • Level
  • Our record
Monthly averages of the Ottawa River at Britannia from 1 April 1915 to 25 October 2026.
Table: The whole record since 1915, monthly averages
Month startingMonthly average (m)
58.243 m
58.645 m
58.708 m
58.435 m
58.240 m
58.081 m
58.136 m
58.094 m
58.122 m
58.107 m
58.187 m
58.107 m
59.223 m
59.822 m
59.230 m
58.483 m
58.131 m
57.977 m
57.944 m
58.208 m
58.203 m
58.109 m
58.069 m
58.105 m
58.842 m
59.383 m
59.284 m
58.961 m
58.497 m
58.244 m
58.203 m
58.231 m
58.185 m
58.051 m
57.991 m
58.040 m
58.782 m
59.009 m
58.862 m
58.618 m
58.200 m
58.224 m
58.514 m
58.979 m
58.662 m
58.402 m
58.266 m
58.341 m
59.089 m
59.801 m
59.426 m
58.393 m
58.107 m
58.273 m
58.541 m
58.637 m
58.596 m
58.280 m
58.099 m
58.193 m
58.814 m
59.006 m
58.514 m
58.338 m
58.131 m
58.019 m
57.881 m
57.923 m
57.966 m
57.972 m
57.843 m
58.309 m
59.028 m
59.292 m
58.461 m
58.155 m
58.014 m
57.874 m
57.881 m
58.016 m
58.139 m
58.160 m
58.087 m
58.240 m
59.335 m
59.696 m
58.683 m
58.374 m
58.144 m
58.025 m
57.988 m
57.951 m
57.947 m
57.855 m
57.837 m
57.845 m
58.302 m
59.481 m
58.988 m
58.471 m
58.171 m
58.148 m
58.067 m
58.055 m
58.143 m
58.046 m
58.029 m
58.153 m
58.755 m
59.351 m
59.064 m
58.351 m
58.099 m
58.058 m
58.080 m
58.098 m
58.085 m
57.993 m
58.029 m
58.327 m
59.014 m
58.995 m
59.029 m
58.685 m
58.321 m
58.076 m
58.135 m
58.262 m
58.325 m
58.176 m
58.136 m
58.124 m
58.323 m
59.343 m
59.251 m
58.843 m
58.430 m
58.195 m
58.126 m
58.391 m
58.440 m
58.310 m
58.334 m
58.641 m
58.869 m
59.076 m
59.170 m
58.767 m
58.504 m
58.348 m
58.433 m
58.603 m
58.689 m
58.486 m
58.418 m
58.345 m
59.400 m
60.095 m
59.424 m
59.010 m
58.625 m
58.633 m
59.131 m
59.247 m
58.794 m
58.533 m
58.323 m
58.491 m
59.371 m
59.773 m
59.115 m
58.599 m
58.272 m
58.063 m
58.075 m
58.330 m
58.100 m
58.124 m
58.091 m
58.084 m
58.479 m
59.062 m
59.050 m
59.125 m
58.426 m
58.175 m
58.185 m
58.117 m
58.098 m
58.055 m
58.000 m
58.014 m
58.494 m
58.730 m
58.538 m
58.206 m
58.257 m
58.025 m
58.011 m
58.109 m
58.450 m
58.416 m
58.425 m
58.390 m
58.934 m
59.013 m
58.566 m
58.325 m
58.359 m
58.788 m
58.992 m
59.263 m
58.546 m
58.319 m
58.116 m
58.049 m
59.061 m
59.336 m
58.710 m
58.179 m
58.024 m
57.755 m
57.698 m
57.776 m
57.798 m
57.768 m
57.762 m
57.799 m
58.638 m
59.511 m
58.705 m
58.285 m
58.032 m
58.099 m
58.220 m
58.103 m
58.243 m
58.080 m
58.076 m
58.297 m
58.650 m
58.657 m
58.315 m
58.405 m
58.093 m
57.944 m
57.908 m
58.042 m
57.929 m
57.942 m
57.926 m
58.202 m
58.797 m
59.502 m
58.811 m
58.201 m
57.986 m
57.880 m
57.993 m
58.181 m
57.934 m
58.178 m
58.200 m
58.312 m
58.590 m
59.183 m
58.489 m
58.037 m
57.758 m
57.638 m
57.815 m
58.607 m
58.339 m
58.108 m
58.102 m
58.429 m
59.390 m
59.196 m
58.497 m
58.140 m
58.149 m
58.141 m
58.137 m
58.068 m
58.037 m
57.974 m
57.981 m
58.096 m
58.375 m
59.341 m
58.963 m
58.336 m
58.040 m
57.875 m
57.922 m
58.054 m
57.952 m
57.865 m
57.847 m
57.853 m
58.233 m
58.705 m
59.063 m
58.452 m
58.048 m
58.141 m
57.994 m
58.140 m
58.162 m
58.113 m
58.116 m
58.137 m
58.898 m
58.768 m
58.158 m
58.276 m
58.100 m
58.085 m
58.360 m
58.615 m
58.340 m
58.133 m
58.107 m
58.215 m
58.896 m
58.803 m
58.564 m
57.989 m
57.925 m
57.836 m
57.839 m
57.908 m
57.940 m
58.025 m
58.068 m
58.191 m
58.470 m
59.402 m
58.908 m
58.267 m
57.993 m
58.121 m
58.021 m
58.094 m
58.013 m
57.960 m
57.888 m
57.951 m
58.014 m
58.596 m
58.150 m
57.918 m
57.863 m
57.889 m
57.940 m
57.934 m
58.001 m
57.959 m
57.890 m
58.190 m
58.773 m
58.699 m
58.831 m
58.024 m
57.881 m
57.867 m
57.950 m
58.006 m
57.926 m
57.990 m
58.052 m
58.288 m
58.581 m
58.291 m
58.461 m
57.932 m
57.855 m
57.838 m
57.882 m
57.964 m
58.046 m
58.064 m
58.088 m
58.050 m
58.927 m
59.716 m
59.785 m
58.643 m
58.031 m
57.862 m
57.830 m
57.771 m
57.844 m
57.808 m
57.812 m
57.905 m
58.645 m
58.566 m
58.262 m
57.925 m
57.792 m
57.727 m
57.738 m
57.785 m
57.843 m
57.872 m
57.914 m
57.978 m
58.944 m
58.846 m
58.344 m
58.266 m
57.801 m
57.826 m
57.852 m
57.855 m
57.930 m
57.972 m
58.003 m
57.957 m
58.445 m
58.805 m
58.266 m
58.014 m
57.852 m
57.877 m
57.855 m
58.017 m
58.088 m
58.029 m
58.065 m
58.257 m
59.586 m
58.896 m
58.129 m
58.203 m
57.892 m
57.911 m
58.313 m
58.777 m
58.471 m
58.289 m
58.197 m
58.260 m
58.900 m
58.905 m
58.481 m
57.966 m
57.943 m
57.972 m
57.955 m
57.910 m
58.080 m
58.118 m
58.184 m
58.455 m
59.121 m
58.457 m
58.054 m
57.895 m
57.828 m
57.757 m
57.821 m
57.785 m
57.854 m
57.890 m
57.888 m
58.183 m
58.744 m
58.561 m
58.609 m
58.274 m
58.009 m
58.014 m
58.597 m
58.532 m
58.407 m
58.253 m
58.150 m
58.097 m
59.036 m
58.439 m
58.004 m
57.867 m
57.761 m
57.732 m
57.872 m
58.403 m
58.204 m
58.059 m
57.998 m
57.986 m
58.527 m
58.814 m
58.572 m
58.242 m
58.161 m
58.356 m
58.435 m
58.189 m
58.169 m
58.118 m
58.131 m
58.208 m
58.336 m
58.403 m
58.195 m
58.818 m
58.041 m
58.119 m
58.238 m
58.463 m
58.463 m
58.362 m
58.302 m
58.376 m
58.634 m
58.204 m
58.083 m
58.082 m
57.895 m
57.954 m
58.073 m
58.300 m
58.215 m
58.104 m
58.064 m
58.013 m
58.579 m
58.718 m
58.204 m
57.911 m
57.841 m
57.972 m
58.083 m
58.459 m
58.436 m
58.280 m
58.295 m
58.249 m
58.989 m
59.683 m
58.467 m
58.699 m
58.280 m
57.982 m
58.010 m
58.078 m
58.062 m
58.020 m
57.949 m
57.973 m
58.320 m
58.518 m
58.251 m
58.134 m
58.039 m
58.032 m
58.133 m
58.055 m
58.184 m
58.173 m
58.223 m
58.097 m
58.601 m
58.769 m
58.150 m
57.819 m
57.719 m
57.743 m
57.794 m
57.843 m
57.791 m
57.792 m
57.854 m
57.906 m
58.569 m
58.359 m
58.128 m
57.869 m
57.724 m
57.871 m
57.835 m
57.914 m
58.161 m
58.148 m
58.126 m
58.233 m
58.502 m
58.532 m
58.328 m
58.056 m
57.822 m
57.743 m
57.835 m
57.872 m
57.959 m
58.036 m
58.045 m
58.086 m
58.351 m
58.899 m
58.210 m
57.900 m
58.030 m
58.371 m
58.834 m
58.556 m
58.475 m
58.461 m
58.339 m
58.513 m
58.822 m
58.709 m
58.547 m
58.033 m
58.141 m
57.992 m
58.120 m
58.384 m
59.096 m
58.529 m
58.499 m
58.186 m
59.160 m
59.181 m
58.829 m
58.391 m
58.005 m
57.960 m
58.281 m
58.767 m
58.479 m
58.394 m
58.291 m
58.345 m
58.913 m
58.223 m
58.153 m
58.205 m
58.022 m
58.031 m
58.000 m
58.014 m
58.022 m
58.087 m
58.146 m
58.190 m
58.719 m
59.048 m
58.542 m
58.180 m
58.113 m
57.947 m
58.022 m
58.553 m
58.397 m
58.223 m
58.146 m
58.185 m
58.474 m
58.997 m
58.716 m
58.646 m
58.322 m
58.044 m
58.105 m
58.166 m
58.195 m
58.157 m
58.134 m
58.215 m
58.743 m
58.996 m
58.237 m
57.817 m
57.880 m
57.752 m
57.776 m
57.878 m
58.055 m
58.196 m
58.203 m
58.289 m
58.608 m
59.385 m
58.526 m
58.365 m
58.288 m
58.254 m
58.223 m
58.492 m
58.349 m
58.289 m
58.338 m
58.722 m
59.215 m
59.072 m
58.670 m
58.352 m
58.042 m
57.965 m
58.143 m
58.218 m
58.300 m
58.224 m
58.198 m
58.460 m
58.912 m
59.675 m
59.041 m
58.400 m
57.982 m
57.910 m
58.042 m
58.389 m
58.384 m
58.312 m
58.296 m
58.332 m
58.514 m
58.764 m
58.442 m
57.944 m
57.763 m
57.767 m
57.888 m
57.940 m
58.210 m
58.169 m
58.141 m
58.397 m
59.415 m
59.088 m
58.345 m
58.108 m
57.945 m
57.872 m
57.958 m
57.984 m
58.128 m
58.106 m
58.075 m
58.485 m
58.986 m
58.529 m
57.960 m
57.967 m
57.797 m
57.807 m
57.978 m
58.165 m
58.421 m
58.332 m
58.347 m
58.208 m
58.595 m
58.895 m
58.242 m
57.929 m
57.807 m
57.772 m
58.095 m
58.108 m
58.117 m
58.202 m
58.203 m
58.472 m
59.209 m
59.637 m
58.610 m
58.308 m
58.106 m
58.024 m
58.368 m
58.615 m
58.757 m
58.515 m
58.336 m
58.393 m
59.030 m
58.908 m
58.148 m
58.156 m
58.038 m
57.978 m
58.440 m
58.492 m
58.345 m
58.195 m
58.443 m
58.839 m
59.347 m
58.690 m
no value
no value
57.925 m
58.220 m
58.252 m
58.380 m
58.214 m
58.138 m
58.147 m
58.221 m
58.629 m
58.519 m
58.139 m
57.922 m
57.711 m
57.728 m
57.877 m
58.225 m
58.562 m
58.590 m
58.459 m
58.562 m
58.725 m
59.333 m
58.843 m
57.971 m
57.826 m
57.716 m
57.897 m
58.154 m
58.287 m
58.288 m
58.400 m
58.456 m
59.120 m
58.783 m
58.671 m
58.402 m
58.025 m
57.942 m
57.943 m
58.388 m
58.482 m
58.483 m
58.399 m
58.557 m
58.934 m
59.249 m
58.191 m
58.109 m
58.190 m
57.888 m
57.893 m
58.048 m
58.230 m
58.202 m
58.291 m
58.206 m
58.964 m
58.689 m
58.383 m
57.972 m
57.950 m
57.926 m
58.222 m
58.345 m
58.219 m
58.217 m
58.186 m
58.205 m
58.822 m
57.992 m
57.861 m
57.753 m
57.708 m
57.581 m
57.634 m
57.898 m
58.155 m
58.265 m
58.318 m
58.141 m
59.000 m
58.809 m
58.017 m
57.746 m
57.875 m
58.016 m
58.429 m
58.805 m
58.497 m
58.420 m
58.456 m
58.192 m
58.688 m
58.896 m
58.816 m
58.027 m
57.768 m
57.685 m
57.603 m
57.990 m
58.230 m
58.267 m
58.351 m
58.476 m
58.787 m
58.753 m
58.197 m
58.145 m
57.813 m
57.752 m
58.305 m
58.487 m
58.787 m
58.523 m
58.484 m
58.413 m
59.309 m
58.640 m
58.042 m
57.788 m
57.676 m
57.704 m
57.842 m
58.082 m
58.357 m
58.287 m
58.334 m
58.168 m
58.562 m
58.814 m
57.985 m
57.894 m
57.784 m
58.078 m
58.263 m
58.696 m
58.510 m
58.432 m
58.360 m
58.144 m
58.580 m
58.230 m
58.372 m
57.882 m
57.729 m
57.771 m
58.242 m
58.484 m
58.404 m
58.227 m
58.364 m
58.293 m
58.438 m
58.532 m
58.393 m
58.407 m
58.138 m
57.912 m
57.951 m
58.262 m
58.283 m
58.540 m
58.436 m
58.521 m
58.277 m
58.679 m
58.564 m
57.936 m
57.899 m
57.681 m
57.757 m
58.371 m
58.371 m
58.383 m
58.471 m
58.371 m
58.676 m
59.458 m
58.465 m
58.276 m
58.149 m
57.893 m
57.922 m
58.187 m
58.289 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
no value
no value
no value
no value
no value
no value
no value
no value
no value
58.521 m
58.403 m
58.482 m
59.116 m
59.098 m
58.883 m
58.217 m
57.807 m
57.688 m
57.705 m
57.811 m
57.862 m
57.969 m
58.113 m
58.130 m
58.482 m
58.288 m
58.344 m
58.017 m
58.051 m
57.834 m
58.199 m
58.830 m
58.772 m
58.569 m
58.402 m
58.426 m
58.911 m
59.117 m
58.405 m
58.468 m
57.899 m
57.853 m
57.775 m
57.920 m
58.164 m
58.331 m
58.281 m
58.128 m
59.099 m
58.497 m
58.120 m
57.845 m
57.686 m
57.576 m
57.761 m
58.084 m
58.426 m
58.415 m
58.461 m
58.498 m
59.276 m
58.537 m
58.189 m
57.939 m
57.898 m
57.826 m
58.440 m
58.834 m
58.919 m
58.787 m
58.482 m
58.366 m
58.619 m
58.258 m
58.430 m
58.073 m
57.748 m
57.635 m
57.588 m
57.755 m
57.996 m
58.500 m
no value
no value
59.185 m
59.072 m
58.588 m
58.560 m
58.384 m
58.074 m
58.014 m
58.198 m
58.351 m
58.551 m
58.523 m
58.547 m
59.212 m
59.132 m
58.575 m
58.237 m
58.291 m
57.951 m
58.084 m
58.461 m
58.466 m
58.354 m
58.388 m
58.493 m
58.166 m
57.858 m
57.735 m
57.682 m
57.589 m
57.788 m
58.252 m
58.255 m
58.623 m
58.506 m
58.398 m
58.360 m
58.755 m
59.096 m
58.449 m
58.140 m
57.798 m
57.663 m
57.744 m
58.079 m
58.359 m
58.394 m
58.389 m
58.783 m
58.656 m
58.250 m
57.901 m
57.615 m
57.620 m
57.644 m
57.975 m
58.574 m
58.366 m
58.441 m
58.566 m
58.432 m
58.984 m
59.488 m
58.887 m
58.022 m
57.845 m
57.894 m
58.117 m
58.720 m
58.420 m
58.400 m
58.438 m
58.162 m
58.779 m
59.499 m
58.536 m
58.116 m
57.943 m
58.232 m
58.596 m
58.715 m
58.581 m
58.560 m
58.451 m
58.267 m
58.663 m
58.684 m
58.335 m
57.877 m
57.778 m
57.784 m
57.731 m
58.075 m
58.570 m
58.761 m
58.619 m
58.952 m
59.366 m
58.882 m
58.272 m
57.860 m
57.796 m
57.734 m
57.771 m
57.825 m
58.060 m
58.270 m
58.417 m
58.726 m
59.395 m
59.743 m
58.828 m
58.535 m
58.116 m
58.162 m
58.001 m
58.386 m
58.461 m
58.470 m
58.483 m
58.329 m
58.305 m
59.308 m
58.504 m
57.855 m
57.882 m
58.148 m
58.523 m
58.557 m
58.411 m
58.437 m
58.489 m
58.347 m
59.209 m
60.352 m
59.162 m
58.117 m
57.746 m
57.674 m
57.750 m
58.287 m
58.242 m
58.380 m
58.401 m
58.458 m
59.234 m
58.745 m
58.340 m
58.039 m
58.040 m
58.184 m
58.430 m
58.593 m
58.473 m
58.495 m
58.470 m
58.487 m
58.409 m
58.082 m
57.781 m
58.078 m
57.947 m
57.822 m
58.288 m
58.166 m
58.296 m
58.422 m
58.360 m
58.407 m
59.080 m
58.974 m
58.844 m
58.056 m
57.899 m
57.910 m
58.154 m
58.163 m
58.300 m
58.575 m
58.513 m
58.360 m
59.222 m
59.468 m
58.198 m
58.030 m
57.981 m
58.020 m
58.339 m
58.648 m
58.324 m
58.450 m
58.470 m
58.492 m
58.941 m
58.643 m
58.218 m
58.284 m
58.073 m
58.122 m
58.162 m
58.521 m
58.352 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
57.867 m
57.754 m

How this compares

  • The daily average on 25 October 2026 was 57.836 m, the twenty-first lowest for 25 October in 106 years of record (1915 to 2026). The newest value is provisional.
  • So far in 2026 the daily average was below the normal range on 11 of 47 days, the fifty-seventh most of the 106 years counted from 1915 to 2026.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
no value
58.155 m
58.541 m
58.23 m
58.428 m
58.568 m
57.763 m
58.806 m
58.006 m
57.776 m

Year by year

The lowest and highest daily average of each year

The lowest and highest daily average of each year 58 m 59 m 60 m Lowest 57.442 m, 2005 Highest 60.682 m, 2019
  • Each year, lowest to highest
  • The year so far
  • Lowest in our series
  • Highest in our series
The lowest and highest daily average of the Ottawa River at Britannia in each year from 1916 to 2024 with a value on at least 300 days, and in 2026 so far. The lowest daily average in our series since 1 April 1915 was 57.442 m, on 25 September 2005. The highest was 60.682 m, on 1 May 2019.
Table: The lowest and highest daily average of each year
YearLowest daily average (m)DayHighest daily average (m)DayDays with a value
57.79 m59.92 m366
58.06 m59.55 m365
57.91 m59.28 m365
58.03 m60.16 m365
57.82 m59.13 m366
57.76 m59.65 m365
57.88 m60.16 m365
57.82 m59.71 m365
57.94 m59.49 m366
57.94 m59.25 m365
58.00 m59.62 m365
58.27 m59.31 m365
58.27 m60.35 m366
58.00 m59.95 m365
58.03 m59.43 m365
57.94 m58.98 m365
58.24 m59.46 m366
57.659 m59.64 m365
57.616 m59.762 m365
57.811 m59.00 m365
57.75 m59.884 m366
57.491 m59.427 m365
57.933 m59.716 m365
57.72 m59.503 m365
57.689 m59.503 m366
57.903 m59.869 m365
57.665 m59.281 m365
57.875 m59.915 m365
57.629 m59.025 m366
57.598 m59.32 m365
57.598 m58.939 m365
57.683 m59.948 m365
57.622 m59.009 m366
57.699 m59.436 m365
57.763 m59.067 m365
57.799 m60.207 m365
57.741 m59.342 m366
57.668 m59.494 m365
57.711 m59.278 m365
57.607 m59.591 m365
57.90 m59.076 m366
57.851 m59.406 m365
57.842 m58.86 m365
57.793 m58.964 m365
57.93 m60.137 m366
57.86 m58.677 m365
57.632 m59.268 m365
57.622 m58.741 m365
57.689 m58.957 m366
57.802 m59.07 m365
57.878 m59.549 m365
57.857 m59.768 m365
57.897 m59.201 m366
57.854 m59.238 m365
57.903 m59.22 m365
57.619 m59.649 m365
58.046 m59.796 m366
57.869 m59.518 m365
57.857 m59.991 m365
57.677 m59.47 m365
57.799 m59.698 m366
57.74 m59.35 m365
57.67 m59.38 m365
57.91 m60.24 m345
57.85 m59.48 m347
57.84 m59.62 m305
57.611 m59.28 m365
57.662 m59.949 m365
57.81 m59.40 m366
57.77 m59.968 m365
57.741 m59.20 m365
57.502 m59.157 m365
57.644 m59.216 m366
57.521 m59.174 m365
57.691 m59.252 m365
57.627 m59.638 m365
57.728 m59.518 m366
57.614 m58.803 m365
57.828 m58.934 m365
57.599 m59.223 m365
57.848 m59.823 m366
57.622 m59.971 m365
57.718 m59.226 m365
57.627 m59.375 m366
57.442 m59.445 m364
57.749 m59.57 m365
57.561 m58.966 m365
57.955 m59.682 m326
57.824 m59.585 m339
57.508 m58.86 m365
57.526 m59.585 m365
57.552 m59.514 m362
57.747 m59.766 m365
57.849 m59.742 m365
57.653 m59.325 m365
57.684 m59.606 m366
57.938 m60.443 m364
57.684 m59.80 m365
57.596 m60.682 m363
57.891 m59.586 m358
57.528 m59.068 m364
57.761 m59.455 m365
57.867 m60.342 m365
57.946 m59.42 m366
so far, provisional57.675 m58.026 m46

Each year from January to December, weekly averages

Each year from January to December, weekly averages 58 m 59 m 60 m 2005, lowest day 2019, highest day 2026 so far
  • The year so far
  • 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 the Ottawa River at Britannia in each year from 1980 to 2024 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 average in our series since 1 April 1915 was in 2005, the highest in 2019. 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
Week so far Weekly average (m), lowest day Weekly average (m), highest day Weekly average (m)Normal range (m)
to no value58.275 m58.365 m57.935 m to 58.535 m
to no value58.279 m58.442 m57.964 m to 58.533 m
to no value58.373 m58.476 m57.955 m to 58.535 m
to no value58.389 m58.461 m57.940 m to 58.528 m
to no value58.336 m58.449 m57.939 m to 58.516 m
to no value58.318 m58.479 m57.933 m to 58.500 m
to no value58.269 m58.525 m57.927 m to 58.489 m
to no value58.257 m58.486 m57.925 m to 58.476 m
to no value58.207 m58.503 m57.933 m to 58.476 m
to no value58.221 m58.472 m57.948 m to 58.509 m
to no value58.176 m58.255 m57.967 m to 58.576 m
to no value58.034 m58.285 m57.991 m to 58.689 m
to no value58.065 m58.284 m58.035 m to 58.880 m
to no value58.713 m58.372 m58.090 m to 59.113 m
to no value59.171 m58.699 m58.190 m to 59.304 m
to no value59.238 m59.434 m58.310 m to 59.498 m
to no value59.358 m60.239 m58.500 m to 59.620 m
to no value59.229 m60.570 m58.474 m to 59.710 m
to no value58.578 m60.494 m58.372 m to 59.758 m
to no value58.287 m60.451 m58.250 m to 59.731 m
to no value58.215 m60.132 m58.175 m to 59.520 m
to no value58.133 m59.914 m58.128 m to 59.400 m
to no value57.985 m59.275 m58.077 m to 59.242 m
to no value58.030 m59.008 m58.031 m to 59.160 m
to no value58.341 m59.194 m57.996 m to 59.045 m
to no value58.101 m58.833 m57.950 m to 58.910 m
to no value57.921 m58.456 m57.903 m to 58.790 m
to no value57.876 m58.152 m57.861 m to 58.700 m
to no value57.787 m57.985 m57.810 m to 58.600 m
to no value57.797 m57.890 m57.787 m to 58.482 m
to no value57.728 m57.785 m57.755 m to 58.430 m
to no value57.663 m57.732 m57.738 m to 58.340 m
to no value57.657 m57.742 m57.726 m to 58.304 m
to no value57.732 m57.757 m57.728 m to 58.259 m
to no value57.657 m57.722 m57.720 m to 58.210 m
to no value57.607 m57.676 m57.696 m to 58.210 m
to 57.954 m57.591 m57.634 m57.685 m to 58.240 m
to 57.870 m57.534 m57.643 m57.686 m to 58.241 m
to 57.776 m57.556 m57.731 m57.697 m to 58.270 m
to 57.708 m57.726 m57.783 m57.714 m to 58.312 m
to 57.692 m57.746 m57.679 m57.720 m to 58.370 m
to 57.817 m57.755 m57.624 m57.750 m to 58.490 m
to no value57.808 m57.788 m57.778 m to 58.650 m
to no value57.786 m58.197 m57.801 m to 58.718 m
to no value57.825 m58.318 m57.833 m to 58.708 m
to no value58.174 m58.309 m57.861 m to 58.735 m
to no value58.309 m58.243 m57.885 m to 58.777 m
to no value58.304 m58.219 m57.912 m to 58.758 m
to no value58.584 m58.201 m57.932 m to 58.704 m
to no value58.407 m58.274 m57.926 m to 58.614 m
to no value58.368 m58.272 m57.918 m to 58.562 m
to no value58.347 m58.237 m57.924 m to 58.546 m
Every year
YearDays with a valueDays below the normal range
to 4711
3660
3654
3650
364101
3580
36350
36531
3640
36646
36541
3659
3650
362140
36535
365150
3390
3260
365140
3653
364102
36614
36537
365106
3660
36566
3658
36568
36629
36595
3650
36565
36653
365190
3653
3652
3660
3656
36543
3050
3477
3450
3654
36534
3660
36514
3650
3650
3663
36549
3658
3650
36634
3650
3650
36517
36633
365127
365107
36537
3660
3658
36530
36514
36616
36552
36555
36568
3665
3656
36535
365112
366167
36567
36543
36572
36690
3655
36523
3653
366112
36539
3650
36551
36651
36518
36596
36588
3660
3655
3650
3650
3660
3650
36515
3652
3660
365103
36517
36551
36610
3650
3658
3650
3660
27524

How it compares

That is within the normal range for the date.

Records

  • Highest daily average in our series since 1 April 1915: 60.682 m on 1 May 2019.
  • Lowest daily average in our series since 1 April 1915: 57.442 m on 25 September 2005.

Also on this water

About this gauge

Britannia is a gauge on the Ottawa River in Canada.

It lies at 45.3513° N, 75.8267° W.

Its readings come from the Water Survey of Canada (Environment and Climate Change Canada).

Our readings for this gauge go back to 1 April 1915.

The Water Survey of Canada publishes its real-time readings as preliminary data that it reviews and approves later.

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

About these figures

The normal range for 25 October is 57.78 m to 58.65 m: the 10th to 90th percentile of the daily averages from 18 October to 1 November in 105 years between 1915 and 2024.

Keep exploring

Sources