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Theodosia River Diversion water level at Olsen Lake (upstream)

Is the Theodosia River Diversion at Olsen Lake (upstream) within its normal range for the date?

The Theodosia River Diversion at Olsen Lake (upstream) read 9.541 m at .

Level now

within the normal range for the date

9.541 m

Provisional

within the normal range for the date

9.541 mNormal for the date9.33 m to 10.24 mLowest 9.13 mMedian 9.73 m
The normal range for 26 October is 9.33 m to 10.24 m: the 10th to 90th percentile of the daily averages from 19 October to 2 November in 12 years between 2011 and 2024.
Table: where the water stands
LevelValue
Newest reading9.541 m,
Normal range for the date9.33 m to 10.24 m
Median for the date9.73 m
Lowest in our series9.13 m
Past day
-0.031 m
Past week
-0.003 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 Theodosia River Diversion at Olsen Lake (upstream) averaged 9.553 m.

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

The last 90 days, against the normal range for each day 9.5 m 10.0 m Lowest 9.13 m 9.553 m
  • Level
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of the Theodosia River Diversion at Olsen Lake (upstream) 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 value9.280 m to 9.720 m9.424 mno value
no value9.274 m to 9.689 m9.412 mno value
no value9.272 m to 9.680 m9.412 mno value
no value9.272 m to 9.669 m9.413 mno value
no value9.272 m to 9.664 m9.419 mno value
no value9.273 m to 9.660 m9.418 mno value
no value9.273 m to 9.642 m9.415 mno value
no value9.272 m to 9.619 m9.412 mno value
no value9.272 m to 9.613 m9.402 mno value
no value9.272 m to 9.569 m9.394 mno value
no value9.270 m to 9.559 m9.382 mno value
no value9.270 m to 9.557 m9.373 mno value
no value9.270 m to 9.549 m9.370 mno value
no value9.270 m to 9.536 m9.366 mno value
no value9.267 m to 9.526 m9.358 mno value
no value9.265 m to 9.517 m9.353 mno value
no value9.263 m to 9.500 m9.351 mno value
no value9.262 m to 9.517 m9.350 mno value
no value9.253 m to 9.519 m9.345 mno value
no value9.248 m to 9.519 m9.341 mno value
no value9.245 m to 9.517 m9.340 mno value
no value9.237 m to 9.498 m9.337 mno value
no value9.233 m to 9.518 m9.331 mno value
no value9.231 m to 9.518 m9.331 mno value
no value9.228 m to 9.518 m9.330 mno value
no value9.229 m to 9.534 m9.329 mno value
no value9.229 m to 9.549 m9.330 mno value
no value9.231 m to 9.566 m9.328 mno value
no value9.231 m to 9.576 m9.325 mno value
no value9.231 m to 9.616 m9.325 mno value
no value9.232 m to 9.629 m9.323 mno value
no value9.235 m to 9.629 m9.321 mno value
no value9.235 m to 9.581 m9.318 mno value
no value9.235 m to 9.567 m9.315 mno value
no value9.236 m to 9.549 m9.314 mno value
no value9.236 m to 9.555 m9.314 mno value
no value9.236 m to 9.600 m9.315 mno value
no value9.236 m to 9.601 m9.321 mno value
no value9.236 m to 9.601 m9.323 mno value
no value9.237 m to 9.627 m9.324 mno value
no value9.237 m to 9.627 m9.327 mno value
no value9.236 m to 9.653 m9.327 mno value
no value9.236 m to 9.688 m9.335 mno value
9.469 m9.236 m to 9.689 m9.336 mno value
9.454 m9.236 m to 9.737 m9.340 mno value
9.439 m9.236 m to 9.791 m9.345 mno value
9.424 m9.236 m to 9.880 m9.359 mno value
9.409 m9.238 m to 9.933 m9.369 mno value
9.398 m9.239 m to 9.966 m9.383 mno value
9.394 m9.240 m to 10.018 m9.400 mno value
9.387 m9.244 m to 10.079 m9.409 mno value
9.378 m9.248 m to 10.095 m9.426 mno value
9.370 m9.251 m to 10.129 m9.454 mno value
9.365 m9.252 m to 10.186 m9.492 mno value
9.363 m9.254 m to 10.186 m9.511 mno value
9.359 m9.254 m to 10.186 m9.545 mno value
9.355 m9.255 m to 10.186 m9.574 mno value
9.402 m9.257 m to 10.186 m9.574 mno value
9.431 m9.265 m to 10.195 m9.585 mno value
9.472 m9.285 m to 10.206 m9.585 mno value
9.587 m9.290 m to 10.206 m9.581 mno value
9.480 m9.306 m to 10.185 m9.590 mno value
9.561 m9.318 m to 10.180 m9.593 mno value
10.309 m9.329 m to 10.142 m9.591 mno value
9.849 m9.344 m to 10.102 m9.591 mno value
9.674 m9.344 m to 10.066 m9.590 mno value
9.829 m9.342 m to 10.057 m9.590 mno value
9.828 m9.342 m to 10.057 m9.587 mno value
9.673 m9.342 m to 10.046 m9.590 mno value
9.588 m9.342 m to 10.066 m9.590 mno value
9.543 m9.342 m to 10.086 m9.585 mno value
9.510 m9.342 m to 10.135 m9.590 mno value
9.485 m9.342 m to 10.135 m9.604 mno value
9.664 m9.342 m to 10.153 m9.618 mno value
9.625 m9.342 m to 10.187 m9.639 mno value
9.544 m9.344 m to 10.243 m9.651 mno value
9.500 m9.341 m to 10.271 m9.659 mno value
9.480 m9.339 m to 10.302 m9.668 mno value
9.812 m9.333 m to 10.309 m9.715 mno value
9.677 m9.329 m to 10.308 m9.719 mno value
9.580 m9.323 m to 10.315 m9.720 mno value
9.635 m9.324 m to 10.314 m9.716 mno value
9.595 m9.324 m to 10.300 m9.711 mno value
9.539 m9.327 m to 10.301 m9.714 mno value
9.502 m9.329 m to 10.284 m9.718 mno value
9.477 m9.329 m to 10.287 m9.725 mno value
9.458 m9.325 m to 10.308 m9.754 mno value
9.444 m9.325 m to 10.329 m9.754 mno value
9.452 m9.325 m to 10.318 m9.762 mno value
9.553 m9.329 m to 10.241 m9.753 mno value

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

The last 12 months, against the normal range for each day 9.5 m 10.0 m Lowest 9.13 m 9.553 m
  • Level
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of the Theodosia River Diversion at Olsen Lake (upstream) 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 value9.329 m to 10.241 m9.753 m
no value9.329 m to 10.240 m9.730 m
no value9.333 m to 10.310 m9.729 m
no value9.350 m to 10.344 m9.729 m
no value9.393 m to 10.325 m9.718 m
no value9.404 m to 10.324 m9.720 m
no value9.413 m to 10.322 m9.725 m
no value9.415 m to 10.337 m9.729 m
no value9.415 m to 10.366 m9.732 m
no value9.415 m to 10.353 m9.732 m
no value9.413 m to 10.372 m9.738 m
no value9.413 m to 10.379 m9.752 m
no value9.413 m to 10.379 m9.752 m
no value9.421 m to 10.366 m9.752 m
no value9.429 m to 10.365 m9.752 m
no value9.440 m to 10.365 m9.752 m
no value9.443 m to 10.360 m9.764 m
no value9.447 m to 10.294 m9.764 m
no value9.447 m to 10.242 m9.758 m
no value9.454 m to 10.242 m9.745 m
no value9.460 m to 10.242 m9.728 m
no value9.462 m to 10.233 m9.718 m
no value9.463 m to 10.225 m9.718 m
no value9.469 m to 10.221 m9.719 m
no value9.479 m to 10.220 m9.730 m
no value9.489 m to 10.207 m9.728 m
no value9.490 m to 10.220 m9.725 m
no value9.490 m to 10.206 m9.722 m
no value9.490 m to 10.201 m9.722 m
no value9.490 m to 10.201 m9.719 m
no value9.486 m to 10.226 m9.719 m
no value9.483 m to 10.215 m9.713 m
no value9.483 m to 10.226 m9.705 m
no value9.483 m to 10.226 m9.705 m
no value9.480 m to 10.226 m9.704 m
no value9.480 m to 10.226 m9.703 m
no value9.471 m to 10.255 m9.704 m
no value9.466 m to 10.273 m9.702 m
no value9.458 m to 10.275 m9.702 m
no value9.453 m to 10.306 m9.692 m
no value9.449 m to 10.273 m9.692 m
no value9.435 m to 10.210 m9.683 m
no value9.429 m to 10.158 m9.681 m
no value9.421 m to 10.137 m9.671 m
no value9.412 m to 10.130 m9.663 m
no value9.409 m to 10.080 m9.663 m
no value9.400 m to 10.080 m9.660 m
no value9.400 m to 10.098 m9.663 m
no value9.400 m to 10.098 m9.657 m
no value9.400 m to 10.114 m9.656 m
no value9.398 m to 10.098 m9.651 m
no value9.398 m to 10.089 m9.644 m
no value9.398 m to 10.069 m9.644 m
no value9.400 m to 10.061 m9.643 m
no value9.400 m to 10.062 m9.637 m
no value9.447 m to 10.094 m9.645 m
no value9.449 m to 10.094 m9.643 m
no value9.451 m to 10.112 m9.640 m
no value9.451 m to 10.112 m9.638 m
no value9.451 m to 10.118 m9.638 m
no value9.448 m to 10.118 m9.640 m
no value9.446 m to 10.122 m9.640 m
no value9.442 m to 10.122 m9.637 m
no value9.442 m to 10.154 m9.626 m
no value9.437 m to 10.138 m9.594 m
no value9.435 m to 10.154 m9.599 m
no value9.438 m to 10.154 m9.608 m
no value9.438 m to 10.154 m9.618 m
no value9.438 m to 10.151 m9.633 m
no value9.438 m to 10.122 m9.646 m
no value9.438 m to 10.116 m9.674 m
no value9.434 m to 10.122 m9.681 m
no value9.424 m to 10.139 m9.674 m
no value9.423 m to 10.164 m9.682 m
no value9.423 m to 10.163 m9.692 m
no value9.423 m to 10.161 m9.699 m
no value9.430 m to 10.161 m9.715 m
no value9.434 m to 10.174 m9.719 m
no value9.436 m to 10.174 m9.737 m
no value9.440 m to 10.150 m9.749 m
no value9.444 m to 10.156 m9.752 m
no value9.452 m to 10.174 m9.749 m
no value9.452 m to 10.174 m9.746 m
no value9.452 m to 10.195 m9.746 m
no value9.460 m to 10.206 m9.737 m
no value9.466 m to 10.203 m9.751 m
no value9.471 m to 10.203 m9.752 m
no value9.475 m to 10.203 m9.750 m
no value9.478 m to 10.203 m9.731 m
no value9.480 m to 10.207 m9.728 m
no value9.480 m to 10.225 m9.725 m
no value9.482 m to 10.250 m9.712 m
no value9.484 m to 10.273 m9.712 m
no value9.481 m to 10.273 m9.708 m
no value9.486 m to 10.273 m9.693 m
no value9.486 m to 10.225 m9.690 m
no value9.480 m to 10.173 m9.687 m
no value9.480 m to 10.192 m9.681 m
no value9.477 m to 10.173 m9.658 m
no value9.470 m to 10.168 m9.646 m
no value9.459 m to 10.161 m9.629 m
no value9.453 m to 10.164 m9.623 m
no value9.441 m to 10.140 m9.620 m
no value9.437 m to 10.119 m9.616 m
no value9.433 m to 10.088 m9.610 m
no value9.425 m to 10.077 m9.613 m
no value9.419 m to 10.077 m9.610 m
no value9.418 m to 10.077 m9.605 m
no value9.413 m to 10.077 m9.589 m
no value9.403 m to 10.090 m9.584 m
no value9.399 m to 10.090 m9.569 m
no value9.392 m to 10.060 m9.556 m
no value9.390 m to 10.003 m9.542 m
no value9.389 m to 9.981 m9.538 m
no value9.382 m to 9.954 m9.533 m
no value9.381 m to 9.888 m9.527 m
no value9.380 m to 9.824 m9.525 m
no value9.379 m to 9.812 m9.518 m
no value9.375 m to 9.801 m9.513 m
no value9.368 m to 9.783 m9.506 m
no value9.360 m to 9.812 m9.498 m
no value9.353 m to 9.818 m9.496 m
no value9.346 m to 9.821 m9.490 m
no value9.336 m to 9.820 m9.485 m
no value9.319 m to 9.820 m9.485 m
no value9.304 m to 9.821 m9.489 m
no value9.295 m to 9.824 m9.491 m
no value9.281 m to 9.851 m9.490 m
no value9.270 m to 9.876 m9.487 m
no value9.274 m to 9.905 m9.487 m
no value9.281 m to 9.908 m9.487 m
no value9.295 m to 9.929 m9.492 m
no value9.304 m to 9.952 m9.496 m
no value9.318 m to 9.969 m9.508 m
no value9.329 m to 10.006 m9.527 m
no value9.336 m to 9.987 m9.541 m
no value9.338 m to 9.968 m9.545 m
no value9.341 m to 9.968 m9.551 m
no value9.351 m to 9.963 m9.556 m
no value9.383 m to 9.963 m9.582 m
no value9.395 m to 9.968 m9.597 m
no value9.397 m to 9.969 m9.617 m
no value9.399 m to 10.007 m9.634 m
no value9.402 m to 10.049 m9.637 m
no value9.410 m to 10.047 m9.646 m
no value9.412 m to 10.047 m9.655 m
no value9.412 m to 10.045 m9.674 m
no value9.433 m to 10.048 m9.715 m
no value9.444 m to 10.049 m9.715 m
no value9.450 m to 10.048 m9.719 m
no value9.470 m to 10.050 m9.725 m
no value9.490 m to 10.051 m9.729 m
no value9.518 m to 10.057 m9.733 m
no value9.525 m to 10.060 m9.735 m
no value9.518 m to 10.066 m9.735 m
no value9.510 m to 10.074 m9.735 m
no value9.510 m to 10.081 m9.735 m
no value9.510 m to 10.093 m9.735 m
no value9.510 m to 10.097 m9.740 m
no value9.516 m to 10.100 m9.751 m
no value9.527 m to 10.104 m9.752 m
no value9.531 m to 10.111 m9.754 m
no value9.528 m to 10.104 m9.754 m
no value9.525 m to 10.097 m9.750 m
no value9.523 m to 10.094 m9.739 m
no value9.512 m to 10.085 m9.739 m
no value9.506 m to 10.076 m9.739 m
no value9.491 m to 10.085 m9.749 m
no value9.491 m to 10.103 m9.750 m
no value9.491 m to 10.103 m9.752 m
no value9.501 m to 10.103 m9.752 m
no value9.509 m to 10.086 m9.761 m
no value9.517 m to 10.066 m9.776 m
no value9.524 m to 10.066 m9.761 m
no value9.524 m to 10.072 m9.755 m
no value9.524 m to 10.059 m9.773 m
no value9.517 m to 10.072 m9.780 m
no value9.544 m to 10.080 m9.785 m
no value9.558 m to 10.098 m9.803 m
no value9.566 m to 10.103 m9.804 m
no value9.562 m to 10.104 m9.812 m
no value9.582 m to 10.106 m9.824 m
no value9.591 m to 10.110 m9.828 m
no value9.614 m to 10.113 m9.847 m
no value9.605 m to 10.115 m9.853 m
no value9.605 m to 10.132 m9.859 m
no value9.615 m to 10.187 m9.862 m
no value9.621 m to 10.190 m9.882 m
no value9.621 m to 10.187 m9.882 m
no value9.621 m to 10.194 m9.889 m
no value9.621 m to 10.194 m9.892 m
no value9.622 m to 10.218 m9.896 m
no value9.630 m to 10.234 m9.906 m
no value9.630 m to 10.221 m9.909 m
no value9.637 m to 10.209 m9.917 m
no value9.653 m to 10.207 m9.934 m
no value9.662 m to 10.232 m9.942 m
no value9.676 m to 10.232 m9.955 m
no value9.711 m to 10.193 m9.955 m
no value9.728 m to 10.189 m9.944 m
no value9.716 m to 10.170 m9.942 m
no value9.701 m to 10.157 m9.933 m
no value9.698 m to 10.157 m9.932 m
no value9.697 m to 10.166 m9.934 m
no value9.694 m to 10.143 m9.934 m
no value9.694 m to 10.138 m9.925 m
no value9.694 m to 10.130 m9.916 m
no value9.693 m to 10.134 m9.910 m
no value9.695 m to 10.135 m9.905 m
no value9.695 m to 10.135 m9.904 m
no value9.693 m to 10.128 m9.900 m
no value9.692 m to 10.122 m9.893 m
no value9.685 m to 10.128 m9.881 m
no value9.677 m to 10.146 m9.881 m
no value9.661 m to 10.155 m9.881 m
no value9.650 m to 10.175 m9.880 m
no value9.613 m to 10.175 m9.878 m
no value9.600 m to 10.180 m9.866 m
no value9.599 m to 10.175 m9.856 m
no value9.594 m to 10.180 m9.854 m
no value9.588 m to 10.180 m9.838 m
no value9.581 m to 10.180 m9.833 m
no value9.581 m to 10.173 m9.826 m
no value9.581 m to 10.171 m9.825 m
no value9.581 m to 10.164 m9.825 m
no value9.580 m to 10.157 m9.825 m
no value9.564 m to 10.157 m9.818 m
no value9.558 m to 10.157 m9.815 m
no value9.553 m to 10.121 m9.808 m
no value9.537 m to 10.120 m9.804 m
no value9.534 m to 10.106 m9.804 m
no value9.505 m to 10.099 m9.803 m
no value9.502 m to 10.099 m9.803 m
no value9.486 m to 10.099 m9.797 m
no value9.481 m to 10.083 m9.797 m
no value9.464 m to 10.060 m9.808 m
no value9.458 m to 10.047 m9.810 m
no value9.455 m to 10.048 m9.808 m
no value9.455 m to 10.051 m9.809 m
no value9.455 m to 10.048 m9.804 m
no value9.455 m to 10.035 m9.799 m
no value9.455 m to 10.048 m9.798 m
no value9.451 m to 10.028 m9.795 m
no value9.449 m to 10.028 m9.784 m
no value9.438 m to 10.029 m9.777 m
no value9.424 m to 10.030 m9.752 m
no value9.419 m to 10.019 m9.744 m
no value9.412 m to 10.017 m9.734 m
no value9.407 m to 10.017 m9.714 m
no value9.394 m to 10.014 m9.696 m
no value9.392 m to 10.010 m9.685 m
no value9.390 m to 9.998 m9.684 m
no value9.390 m to 9.989 m9.669 m
no value9.390 m to 9.980 m9.653 m
no value9.390 m to 9.970 m9.648 m
no value9.390 m to 9.951 m9.638 m
no value9.379 m to 9.934 m9.621 m
no value9.374 m to 9.905 m9.616 m
no value9.370 m to 9.891 m9.604 m
no value9.363 m to 9.887 m9.596 m
no value9.343 m to 9.876 m9.593 m
no value9.334 m to 9.865 m9.592 m
no value9.327 m to 9.860 m9.587 m
no value9.319 m to 9.859 m9.570 m
no value9.316 m to 9.848 m9.546 m
no value9.315 m to 9.835 m9.528 m
no value9.306 m to 9.827 m9.516 m
no value9.306 m to 9.800 m9.511 m
no value9.305 m to 9.783 m9.495 m
no value9.299 m to 9.774 m9.485 m
no value9.295 m to 9.769 m9.477 m
no value9.292 m to 9.762 m9.462 m
no value9.290 m to 9.743 m9.453 m
no value9.289 m to 9.739 m9.448 m
no value9.287 m to 9.734 m9.445 m
no value9.283 m to 9.733 m9.434 m
no value9.280 m to 9.720 m9.424 m
no value9.274 m to 9.689 m9.412 m
no value9.272 m to 9.680 m9.412 m
no value9.272 m to 9.669 m9.413 m
no value9.272 m to 9.664 m9.419 m
no value9.273 m to 9.660 m9.418 m
no value9.273 m to 9.642 m9.415 m
no value9.272 m to 9.619 m9.412 m
no value9.272 m to 9.613 m9.402 m
no value9.272 m to 9.569 m9.394 m
no value9.270 m to 9.559 m9.382 m
no value9.270 m to 9.557 m9.373 m
no value9.270 m to 9.549 m9.370 m
no value9.270 m to 9.536 m9.366 m
no value9.267 m to 9.526 m9.358 m
no value9.265 m to 9.517 m9.353 m
no value9.263 m to 9.500 m9.351 m
no value9.262 m to 9.517 m9.350 m
no value9.253 m to 9.519 m9.345 m
no value9.248 m to 9.519 m9.341 m
no value9.245 m to 9.517 m9.340 m
no value9.237 m to 9.498 m9.337 m
no value9.233 m to 9.518 m9.331 m
no value9.231 m to 9.518 m9.331 m
no value9.228 m to 9.518 m9.330 m
no value9.229 m to 9.534 m9.329 m
no value9.229 m to 9.549 m9.330 m
no value9.231 m to 9.566 m9.328 m
no value9.231 m to 9.576 m9.325 m
no value9.231 m to 9.616 m9.325 m
no value9.232 m to 9.629 m9.323 m
no value9.235 m to 9.629 m9.321 m
no value9.235 m to 9.581 m9.318 m
no value9.235 m to 9.567 m9.315 m
no value9.236 m to 9.549 m9.314 m
no value9.236 m to 9.555 m9.314 m
no value9.236 m to 9.600 m9.315 m
no value9.236 m to 9.601 m9.321 m
no value9.236 m to 9.601 m9.323 m
no value9.237 m to 9.627 m9.324 m
no value9.237 m to 9.627 m9.327 m
no value9.236 m to 9.653 m9.327 m
no value9.236 m to 9.688 m9.335 m
9.469 m9.236 m to 9.689 m9.336 m
9.454 m9.236 m to 9.737 m9.340 m
9.439 m9.236 m to 9.791 m9.345 m
9.424 m9.236 m to 9.880 m9.359 m
9.409 m9.238 m to 9.933 m9.369 m
9.398 m9.239 m to 9.966 m9.383 m
9.394 m9.240 m to 10.018 m9.400 m
9.387 m9.244 m to 10.079 m9.409 m
9.378 m9.248 m to 10.095 m9.426 m
9.370 m9.251 m to 10.129 m9.454 m
9.365 m9.252 m to 10.186 m9.492 m
9.363 m9.254 m to 10.186 m9.511 m
9.359 m9.254 m to 10.186 m9.545 m
9.355 m9.255 m to 10.186 m9.574 m
9.402 m9.257 m to 10.186 m9.574 m
9.431 m9.265 m to 10.195 m9.585 m
9.472 m9.285 m to 10.206 m9.585 m
9.587 m9.290 m to 10.206 m9.581 m
9.480 m9.306 m to 10.185 m9.590 m
9.561 m9.318 m to 10.180 m9.593 m
10.309 m9.329 m to 10.142 m9.591 m
9.849 m9.344 m to 10.102 m9.591 m
9.674 m9.344 m to 10.066 m9.590 m
9.829 m9.342 m to 10.057 m9.590 m
9.828 m9.342 m to 10.057 m9.587 m
9.673 m9.342 m to 10.046 m9.590 m
9.588 m9.342 m to 10.066 m9.590 m
9.543 m9.342 m to 10.086 m9.585 m
9.510 m9.342 m to 10.135 m9.590 m
9.485 m9.342 m to 10.135 m9.604 m
9.664 m9.342 m to 10.153 m9.618 m
9.625 m9.342 m to 10.187 m9.639 m
9.544 m9.344 m to 10.243 m9.651 m
9.500 m9.341 m to 10.271 m9.659 m
9.480 m9.339 m to 10.302 m9.668 m
9.812 m9.333 m to 10.309 m9.715 m
9.677 m9.329 m to 10.308 m9.719 m
9.580 m9.323 m to 10.315 m9.720 m
9.635 m9.324 m to 10.314 m9.716 m
9.595 m9.324 m to 10.300 m9.711 m
9.539 m9.327 m to 10.301 m9.714 m
9.502 m9.329 m to 10.284 m9.718 m
9.477 m9.329 m to 10.287 m9.725 m
9.458 m9.325 m to 10.308 m9.754 m
9.444 m9.325 m to 10.329 m9.754 m
9.452 m9.325 m to 10.318 m9.762 m
9.553 m9.329 m to 10.241 m9.753 m

The last 10 years, weekly averages

The last 10 years, weekly averages 9.5 m 10.0 m 10.5 m Lowest 9.13 m 9.489 m
  • Level
  • Our record
Weekly averages of the Theodosia River Diversion at Olsen Lake (upstream) from the week of 24 October 2016 to 25 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
10.108 m
10.284 m
10.420 m
10.044 m
10.138 m
9.849 m
9.646 m
9.512 m
9.504 m
9.507 m
9.446 m
9.431 m
9.999 m
9.642 m
9.551 m
9.503 m
10.050 m
9.642 m
9.523 m
9.520 m
9.917 m
9.920 m
9.982 m
9.972 m
9.872 m
10.048 m
10.000 m
10.196 m
10.053 m
10.060 m
10.198 m
10.162 m
10.034 m
10.002 m
10.009 m
9.896 m
9.784 m
9.652 m
9.691 m
9.591 m
9.514 m
9.488 m
9.438 m
9.377 m
9.354 m
9.359 m
9.356 m
9.468 m
9.518 m
9.485 m
9.505 m
no value
9.756 m
9.433 m
9.424 m
10.006 m
10.432 m
10.020 m
9.732 m
9.693 m
9.565 m
9.447 m
9.744 m
9.820 m
10.112 m
9.800 m
10.039 m
9.950 m
9.540 m
9.422 m
9.409 m
9.408 m
9.652 m
9.622 m
9.744 m
9.825 m
10.014 m
9.766 m
10.005 m
9.990 m
10.132 m
10.063 m
9.887 m
9.724 m
9.899 m
9.826 m
9.783 m
9.775 m
9.657 m
9.601 m
9.449 m
9.388 m
9.337 m
9.301 m
9.275 m
9.253 m
9.243 m
9.348 m
9.897 m
9.844 m
9.515 m
9.861 m
9.545 m
9.362 m
9.565 m
10.164 m
9.706 m
9.784 m
9.670 m
10.102 m
9.537 m
10.137 m
10.111 m
9.760 m
9.969 m
10.007 m
9.844 m
9.665 m
9.680 m
9.520 m
9.423 m
9.386 m
9.356 m
9.334 m
9.381 m
9.818 m
9.725 m
9.958 m
9.779 m
9.956 m
9.906 m
9.698 m
9.960 m
9.885 m
9.808 m
9.764 m
9.566 m
9.597 m
9.488 m
9.467 m
9.530 m
9.694 m
9.664 m
9.431 m
9.739 m
9.458 m
9.409 m
9.384 m
9.321 m
9.333 m
9.966 m
9.995 m
9.972 m
9.575 m
9.703 m
9.983 m
9.919 m
9.516 m
9.452 m
9.960 m
9.768 m
9.579 m
9.741 m
9.715 m
9.847 m
9.604 m
10.243 m
9.837 m
9.562 m
10.214 m
10.127 m
9.638 m
9.523 m
9.461 m
9.588 m
9.533 m
9.437 m
9.496 m
9.624 m
9.614 m
9.626 m
9.834 m
9.934 m
9.961 m
9.901 m
10.002 m
9.846 m
9.943 m
9.745 m
9.814 m
9.921 m
9.867 m
9.643 m
9.675 m
9.597 m
9.451 m
9.373 m
9.422 m
9.321 m
9.643 m
9.411 m
9.330 m
9.270 m
9.267 m
9.762 m
9.452 m
9.705 m
9.954 m
9.643 m
9.721 m
9.857 m
9.501 m
9.825 m
9.832 m
9.746 m
9.866 m
9.828 m
9.633 m
9.881 m
9.760 m
9.895 m
9.542 m
9.451 m
9.571 m
9.429 m
9.405 m
9.615 m
9.675 m
9.560 m
9.610 m
9.650 m
9.628 m
9.590 m
9.806 m
9.967 m
9.943 m
9.829 m
9.929 m
9.883 m
9.989 m
9.986 m
9.815 m
9.909 m
9.847 m
9.678 m
9.480 m
9.387 m
9.311 m
9.276 m
9.347 m
9.314 m
9.237 m
9.277 m
9.270 m
9.457 m
9.757 m
9.618 m
10.030 m
9.904 m
10.219 m
10.012 m
10.027 m
10.078 m
9.974 m
9.811 m
9.981 m
10.194 m
9.633 m
9.505 m
9.526 m
9.424 m
9.455 m
10.056 m
9.906 m
9.685 m
9.679 m
9.716 m
9.621 m
9.503 m
9.835 m
9.582 m
9.836 m
9.942 m
9.935 m
9.798 m
9.543 m
9.621 m
9.747 m
9.980 m
9.883 m
10.055 m
10.062 m
10.263 m
10.174 m
9.987 m
10.048 m
9.953 m
9.920 m
9.805 m
9.702 m
9.626 m
9.502 m
9.424 m
9.360 m
9.303 m
9.300 m
9.349 m
9.256 m
9.244 m
9.234 m
9.220 m
9.211 m
9.206 m
9.697 m
9.717 m
9.442 m
9.455 m
9.703 m
9.482 m
9.434 m
9.421 m
9.571 m
10.104 m
9.757 m
10.172 m
9.793 m
9.589 m
9.586 m
9.826 m
9.589 m
9.578 m
9.434 m
9.404 m
9.468 m
9.637 m
9.564 m
9.798 m
9.839 m
9.751 m
10.075 m
10.177 m
9.997 m
10.087 m
9.804 m
9.654 m
9.648 m
9.585 m
9.492 m
9.466 m
9.388 m
9.337 m
9.300 m
9.477 m
9.291 m
9.461 m
9.298 m
9.259 m
9.247 m
9.233 m
9.254 m
9.367 m
9.854 m
9.480 m
9.793 m
10.099 m
9.491 m
9.663 m
9.965 m
9.810 m
9.657 m
9.538 m
9.935 m
9.757 m
10.148 m
10.141 m
9.834 m
9.606 m
9.577 m
10.199 m
10.498 m
9.638 m
9.615 m
9.593 m
9.692 m
9.635 m
9.836 m
9.849 m
9.703 m
9.810 m
9.848 m
9.704 m
9.821 m
9.804 m
9.991 m
9.846 m
9.848 m
10.046 m
10.053 m
9.858 m
9.728 m
9.753 m
9.645 m
9.538 m
9.446 m
9.398 m
9.559 m
9.361 m
9.334 m
9.523 m
9.639 m
9.378 m
9.463 m
9.451 m
9.752 m
9.678 m
9.777 m
10.110 m
9.820 m
9.823 m
10.081 m
10.228 m
9.781 m
9.642 m
9.918 m
9.772 m
10.017 m
9.984 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
9.439 m
9.379 m
9.441 m
9.817 m
9.566 m
9.611 m
9.489 m

The whole record since 2011, weekly averages

The whole record since 2011, weekly averages 9.5 m 10.0 m 10.5 m Lowest 9.13 m 9.489 m
  • Level
  • Our record
Weekly averages of the Theodosia River Diversion at Olsen Lake (upstream) from 1 January 2011 to 25 October 2026.
Table: The whole record since 2011, weekly averages
Week startingWeekly average (m)
no value
9.509 m
9.651 m
9.670 m
9.739 m
9.564 m
9.494 m
9.447 m
9.179 m
9.170 m
9.400 m
9.613 m
9.314 m
9.629 m
9.381 m
9.406 m
9.269 m
9.457 m
9.677 m
10.040 m
9.991 m
9.936 m
10.117 m
10.086 m
9.943 m
9.924 m
10.159 m
9.909 m
10.017 m
9.853 m
9.790 m
9.670 m
9.503 m
9.396 m
9.670 m
9.283 m
9.287 m
9.440 m
10.007 m
9.741 m
9.723 m
9.887 m
9.631 m
9.656 m
9.580 m
9.736 m
9.567 m
9.910 m
9.667 m
9.454 m
9.490 m
9.619 m
9.770 m
9.996 m
9.631 m
9.500 m
9.597 m
9.672 m
9.748 m
9.585 m
9.525 m
9.460 m
9.610 m
9.542 m
9.406 m
no value
no value
no value
no value
no value
no value
no value
9.839 m
9.989 m
9.988 m
9.809 m
10.125 m
10.040 m
9.999 m
9.915 m
9.799 m
9.698 m
9.597 m
9.467 m
9.410 m
9.346 m
9.284 m
9.280 m
9.265 m
9.382 m
no value
no value
no value
9.719 m
9.830 m
9.424 m
no value
no value
9.734 m
9.766 m
9.963 m
9.659 m
9.427 m
9.370 m
no value
no value
no value
no value
no value
9.513 m
9.642 m
9.491 m
9.495 m
9.784 m
9.536 m
10.108 m
9.672 m
9.688 m
10.145 m
9.853 m
9.698 m
9.825 m
9.806 m
10.320 m
9.993 m
9.855 m
9.934 m
9.852 m
9.709 m
9.766 m
9.965 m
9.667 m
9.501 m
9.438 m
9.363 m
9.324 m
9.290 m
9.466 m
9.366 m
9.545 m
9.350 m
9.264 m
9.452 m
9.998 m
9.947 m
9.634 m
9.362 m
9.309 m
9.438 m
9.609 m
9.762 m
9.483 m
9.657 m
9.528 m
9.463 m
9.540 m
9.683 m
9.696 m
9.764 m
9.759 m
9.617 m
9.556 m
9.353 m
9.456 m
9.442 m
9.425 m
9.752 m
9.723 m
9.592 m
9.764 m
9.694 m
9.787 m
9.861 m
9.747 m
9.938 m
9.942 m
9.964 m
9.995 m
9.834 m
9.731 m
9.632 m
9.613 m
9.662 m
9.585 m
9.522 m
9.457 m
9.614 m
9.377 m
9.296 m
9.282 m
9.252 m
9.259 m
9.276 m
9.218 m
9.298 m
9.505 m
9.460 m
9.469 m
10.006 m
10.327 m
10.133 m
10.140 m
9.615 m
9.642 m
10.030 m
9.608 m
10.332 m
9.756 m
9.604 m
9.434 m
9.764 m
9.656 m
9.993 m
9.677 m
10.066 m
9.897 m
9.485 m
9.341 m
9.269 m
9.545 m
9.803 m
10.037 m
9.859 m
9.561 m
9.622 m
9.683 m
9.781 m
9.575 m
9.557 m
9.522 m
9.435 m
9.423 m
9.312 m
9.312 m
9.264 m
9.229 m
9.240 m
9.313 m
9.234 m
9.232 m
9.272 m
9.276 m
9.185 m
9.280 m
9.939 m
9.575 m
9.857 m
9.955 m
9.492 m
9.751 m
9.760 m
9.555 m
9.863 m
9.873 m
9.871 m
9.766 m
9.514 m
10.145 m
10.140 m
9.705 m
9.574 m
9.459 m
9.479 m
9.832 m
10.053 m
10.194 m
9.937 m
10.187 m
10.080 m
9.799 m
10.175 m
10.059 m
9.802 m
10.010 m
9.978 m
10.123 m
9.857 m
10.131 m
9.836 m
9.925 m
9.820 m
9.761 m
9.723 m
9.838 m
9.773 m
9.859 m
9.876 m
9.706 m
9.758 m
9.687 m
9.717 m
9.520 m
9.450 m
9.437 m
9.393 m
9.368 m
9.522 m
9.572 m
9.594 m
9.824 m
9.629 m
9.903 m
10.051 m
10.212 m
10.108 m
10.284 m
10.420 m
10.044 m
10.138 m
9.849 m
9.646 m
9.512 m
9.504 m
9.507 m
9.446 m
9.431 m
9.999 m
9.642 m
9.551 m
9.503 m
10.050 m
9.642 m
9.523 m
9.520 m
9.917 m
9.920 m
9.982 m
9.972 m
9.872 m
10.048 m
10.000 m
10.196 m
10.053 m
10.060 m
10.198 m
10.162 m
10.034 m
10.002 m
10.009 m
9.896 m
9.784 m
9.652 m
9.691 m
9.591 m
9.514 m
9.488 m
9.438 m
9.377 m
9.354 m
9.359 m
9.356 m
9.468 m
9.518 m
9.485 m
9.505 m
no value
9.756 m
9.433 m
9.424 m
10.006 m
10.432 m
10.020 m
9.732 m
9.693 m
9.565 m
9.447 m
9.744 m
9.820 m
10.112 m
9.800 m
10.039 m
9.950 m
9.540 m
9.422 m
9.409 m
9.408 m
9.652 m
9.622 m
9.744 m
9.825 m
10.014 m
9.766 m
10.005 m
9.990 m
10.132 m
10.063 m
9.887 m
9.724 m
9.899 m
9.826 m
9.783 m
9.775 m
9.657 m
9.601 m
9.449 m
9.388 m
9.337 m
9.301 m
9.275 m
9.253 m
9.243 m
9.348 m
9.897 m
9.844 m
9.515 m
9.861 m
9.545 m
9.362 m
9.565 m
10.164 m
9.706 m
9.784 m
9.670 m
10.102 m
9.537 m
10.137 m
10.111 m
9.760 m
9.969 m
10.007 m
9.844 m
9.665 m
9.680 m
9.520 m
9.423 m
9.386 m
9.356 m
9.334 m
9.381 m
9.818 m
9.725 m
9.958 m
9.779 m
9.956 m
9.906 m
9.698 m
9.960 m
9.885 m
9.808 m
9.764 m
9.566 m
9.597 m
9.488 m
9.467 m
9.530 m
9.694 m
9.664 m
9.431 m
9.739 m
9.458 m
9.409 m
9.384 m
9.321 m
9.333 m
9.966 m
9.995 m
9.972 m
9.575 m
9.703 m
9.983 m
9.919 m
9.516 m
9.452 m
9.960 m
9.768 m
9.579 m
9.741 m
9.715 m
9.847 m
9.604 m
10.243 m
9.837 m
9.562 m
10.214 m
10.127 m
9.638 m
9.523 m
9.461 m
9.588 m
9.533 m
9.437 m
9.496 m
9.624 m
9.614 m
9.626 m
9.834 m
9.934 m
9.961 m
9.901 m
10.002 m
9.846 m
9.943 m
9.745 m
9.814 m
9.921 m
9.867 m
9.643 m
9.675 m
9.597 m
9.451 m
9.373 m
9.422 m
9.321 m
9.643 m
9.411 m
9.330 m
9.270 m
9.267 m
9.762 m
9.452 m
9.705 m
9.954 m
9.643 m
9.721 m
9.857 m
9.501 m
9.825 m
9.832 m
9.746 m
9.866 m
9.828 m
9.633 m
9.881 m
9.760 m
9.895 m
9.542 m
9.451 m
9.571 m
9.429 m
9.405 m
9.615 m
9.675 m
9.560 m
9.610 m
9.650 m
9.628 m
9.590 m
9.806 m
9.967 m
9.943 m
9.829 m
9.929 m
9.883 m
9.989 m
9.986 m
9.815 m
9.909 m
9.847 m
9.678 m
9.480 m
9.387 m
9.311 m
9.276 m
9.347 m
9.314 m
9.237 m
9.277 m
9.270 m
9.457 m
9.757 m
9.618 m
10.030 m
9.904 m
10.219 m
10.012 m
10.027 m
10.078 m
9.974 m
9.811 m
9.981 m
10.194 m
9.633 m
9.505 m
9.526 m
9.424 m
9.455 m
10.056 m
9.906 m
9.685 m
9.679 m
9.716 m
9.621 m
9.503 m
9.835 m
9.582 m
9.836 m
9.942 m
9.935 m
9.798 m
9.543 m
9.621 m
9.747 m
9.980 m
9.883 m
10.055 m
10.062 m
10.263 m
10.174 m
9.987 m
10.048 m
9.953 m
9.920 m
9.805 m
9.702 m
9.626 m
9.502 m
9.424 m
9.360 m
9.303 m
9.300 m
9.349 m
9.256 m
9.244 m
9.234 m
9.220 m
9.211 m
9.206 m
9.697 m
9.717 m
9.442 m
9.455 m
9.703 m
9.482 m
9.434 m
9.421 m
9.571 m
10.104 m
9.757 m
10.172 m
9.793 m
9.589 m
9.586 m
9.826 m
9.589 m
9.578 m
9.434 m
9.404 m
9.468 m
9.637 m
9.564 m
9.798 m
9.839 m
9.751 m
10.075 m
10.177 m
9.997 m
10.087 m
9.804 m
9.654 m
9.648 m
9.585 m
9.492 m
9.466 m
9.388 m
9.337 m
9.300 m
9.477 m
9.291 m
9.461 m
9.298 m
9.259 m
9.247 m
9.233 m
9.254 m
9.367 m
9.854 m
9.480 m
9.793 m
10.099 m
9.491 m
9.663 m
9.965 m
9.810 m
9.657 m
9.538 m
9.935 m
9.757 m
10.148 m
10.141 m
9.834 m
9.606 m
9.577 m
10.199 m
10.498 m
9.638 m
9.615 m
9.593 m
9.692 m
9.635 m
9.836 m
9.849 m
9.703 m
9.810 m
9.848 m
9.704 m
9.821 m
9.804 m
9.991 m
9.846 m
9.848 m
10.046 m
10.053 m
9.858 m
9.728 m
9.753 m
9.645 m
9.538 m
9.446 m
9.398 m
9.559 m
9.361 m
9.334 m
9.523 m
9.639 m
9.378 m
9.463 m
9.451 m
9.752 m
9.678 m
9.777 m
10.110 m
9.820 m
9.823 m
10.081 m
10.228 m
9.781 m
9.642 m
9.918 m
9.772 m
10.017 m
9.984 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
9.439 m
9.379 m
9.441 m
9.817 m
9.566 m
9.611 m
9.489 m

How this compares

  • The daily average on 25 October 2026 was 9.553 m, the seventh lowest for 25 October in 15 years of record (2011 to 2026). The newest value is provisional.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
no value
9.621 m
9.512 m
9.449 m
10.242 m
9.502 m
9.992 m
9.715 m
10.047 m
10.19 m

Year by year

The lowest and highest daily average of each year

The lowest and highest daily average of each year 9 m 10 m 11 m Lowest 9.13 m, 2011 Highest 11.476 m, 2017
  • 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 Theodosia River Diversion at Olsen Lake (upstream) in each year from 2011 to 2024 with a value on at least 300 days, and in 2026 so far. The lowest daily average in our series since 1 January 2011 was 9.13 m, on 1 March 2011. The highest was 11.476 m, on 17 October 2017.
Table: The lowest and highest daily average of each year
YearLowest daily average (m)DayHighest daily average (m)DayDays with a value
9.13 m11.15 m365
9.246 m10.994 m338
9.205 m11.053 m365
9.157 m11.268 m365
9.361 m11.114 m366
9.325 m11.476 m358
9.232 m10.916 m365
9.287 m10.859 m360
9.253 m10.796 m366
9.214 m11.232 m365
9.204 m10.876 m365
9.227 m11.184 m365
9.324 m11.173 m366
so far, provisional9.355 m10.309 m47

Each year from January to December, weekly averages

Each year from January to December, weekly averages 9.5 m 10.0 m 10.5 m 2011, lowest day 2017, 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 Theodosia River Diversion at Olsen Lake (upstream) in each year from 2011 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 January 2011 was in 2011, the highest in 2017. 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 value9.383 m9.454 m9.434 m to 10.122 m
to no value9.456 m9.433 m9.436 m to 10.174 m
to no value9.940 m9.943 m9.466 m to 10.203 m
to no value9.660 m9.672 m9.484 m to 10.273 m
to no value9.563 m9.568 m9.470 m to 10.168 m
to no value9.486 m9.498 m9.419 m to 10.077 m
to no value9.569 m10.009 m9.389 m to 9.981 m
to no value9.211 m9.682 m9.360 m to 9.812 m
to no value9.161 m9.525 m9.281 m to 9.851 m
to no value9.263 m9.489 m9.329 m to 10.006 m
to no value9.704 m9.922 m9.397 m to 9.969 m
to no value9.309 m9.894 m9.444 m to 10.049 m
to no value9.590 m9.977 m9.510 m to 10.074 m
to no value9.420 m9.965 m9.528 m to 10.104 m
to no value9.426 m9.894 m9.491 m to 10.103 m
to no value9.263 m9.991 m9.517 m to 10.072 m
to no value9.433 m10.043 m9.614 m to 10.113 m
to no value9.563 m10.187 m9.621 m to 10.194 m
to no value9.967 m10.057 m9.676 m to 10.232 m
to no value9.994 m10.022 m9.694 m to 10.143 m
to no value9.987 m10.183 m9.692 m to 10.122 m
to no value10.034 m10.211 m9.599 m to 10.175 m
to no value10.149 m10.046 m9.580 m to 10.157 m
to no value9.941 m9.995 m9.502 m to 10.099 m
to no value9.953 m9.997 m9.455 m to 10.048 m
to no value10.097 m9.917 m9.419 m to 10.019 m
to no value10.001 m9.800 m9.390 m to 9.980 m
to no value9.919 m9.671 m9.343 m to 9.876 m
to no value9.950 m9.670 m9.306 m to 9.800 m
to no value9.733 m9.623 m9.287 m to 9.734 m
to no value9.759 m9.522 m9.273 m to 9.660 m
to no value9.553 m9.465 m9.270 m to 9.549 m
to no value9.416 m9.474 m9.248 m to 9.519 m
to no value9.661 m9.381 m9.229 m to 9.549 m
to no value9.330 m9.358 m9.235 m to 9.567 m
to no value9.247 m9.344 m9.237 m to 9.627 m
to 9.415 m9.380 m9.367 m9.238 m to 9.933 m
to 9.370 m9.820 m9.469 m9.254 m to 10.186 m
to 9.670 m9.933 m9.476 m9.306 m to 10.185 m
to 9.663 m9.706 m9.501 m9.342 m to 10.046 m
to 9.587 m9.899 m9.506 m9.344 m to 10.243 m
to 9.572 m9.569 mno value9.324 m to 10.300 m
to no value9.677 m9.803 m9.329 m to 10.241 m
to no value9.647 m9.461 m9.415 m to 10.337 m
to no value9.663 m9.348 m9.429 m to 10.365 m
to no value9.641 m9.957 m9.462 m to 10.233 m
to no value9.651 m10.339 m9.490 m to 10.201 m
to no value9.919 m10.173 m9.480 m to 10.226 m
to no value9.483 m9.744 m9.429 m to 10.158 m
to no value9.417 m9.702 m9.400 m to 10.114 m
to no value9.594 m9.594 m9.449 m to 10.094 m
to no value9.791 m9.450 m9.442 m to 10.154 m
Every year
YearDays with a valueDays below the normal range
to 480
3662
36526
36567
36538
36611
36023
3655
35816
3661
365120
36534
33829
26019
36581

How it compares

That is within the normal range for the date.

Records

  • Highest daily average in our series since 1 January 2011: 11.476 m on 17 October 2017.
  • Lowest daily average in our series since 1 January 2011: 9.13 m on 1 March 2011.

About this gauge

Olsen Lake (upstream) is a gauge on the Theodosia River Diversion in Canada.

It lies at 50.1292° N, 124.5406° W.

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

Our readings for this gauge go back to 1 January 2011.

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 9.33 m to 10.24 m: the 10th to 90th percentile of the daily averages from 18 October to 1 November in 12 years between 2011 and 2024.

Keep exploring

Sources