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Slate River water level at Thunder Bay today

Is the Slate River at Thunder Bay within its normal range for the date?

The Slate River at Thunder Bay read 25.528 m at .

Level now

within the normal range for the date

25.528 m

Provisional

within the normal range for the date

25.528 mNormal for the date25.49 m to 25.84 mLowest 25.357 mMedian 25.60 m
The normal range for 26 October is 25.49 m to 25.84 m: the 10th to 90th percentile of the daily averages from 19 October to 2 November in 18 years between 2007 and 2025.
Table: where the water stands
LevelValue
Newest reading25.528 m,
Normal range for the date25.49 m to 25.84 m
Median for the date25.60 m
Lowest in our series25.357 m
Past day
-0.005 m
Past week
-0.039 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 Slate River at Thunder Bay averaged 25.533 m.

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

The last 90 days, against the normal range for each day 25.4 m 25.6 m 25.8 m 26.0 m Lowest 25.357 m 25.533 m
  • Level
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of the Slate River at Thunder Bay 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 value25.472 m to 25.728 m25.552 m26.015 m
no value25.472 m to 25.728 m25.550 m25.963 m
no value25.471 m to 25.720 m25.547 m25.850 m
no value25.469 m to 25.718 m25.545 m25.769 m
no value25.467 m to 25.710 m25.542 m25.708 m
no value25.465 m to 25.710 m25.538 m25.671 m
no value25.465 m to 25.710 m25.538 m25.642 m
no value25.463 m to 25.707 m25.535 m25.613 m
no value25.462 m to 25.692 m25.532 m25.594 m
no value25.461 m to 25.680 m25.527 m25.567 m
no value25.461 m to 25.673 m25.524 m25.552 m
no value25.455 m to 25.657 m25.520 m25.544 m
no value25.453 m to 25.647 m25.516 m25.553 m
no value25.449 m to 25.637 m25.516 m25.556 m
no value25.446 m to 25.627 m25.515 m25.545 m
no value25.443 m to 25.624 m25.513 m25.541 m
no value25.442 m to 25.610 m25.513 m25.532 m
no value25.440 m to 25.606 m25.513 m25.524 m
no value25.439 m to 25.602 m25.513 m25.516 m
no value25.439 m to 25.602 m25.512 m25.515 m
no value25.438 m to 25.602 m25.512 m25.505 m
no value25.437 m to 25.602 m25.512 m25.498 m
no value25.434 m to 25.595 m25.511 m25.498 m
no value25.432 m to 25.589 m25.511 m25.497 m
no value25.430 m to 25.586 m25.511 m25.494 m
no value25.428 m to 25.587 m25.510 m25.486 m
no value25.428 m to 25.594 m25.509 m25.490 m
no value25.428 m to 25.594 m25.508 m25.487 m
no value25.430 m to 25.607 m25.508 m25.480 m
no value25.431 m to 25.618 m25.507 m25.475 m
no value25.431 m to 25.619 m25.508 m25.474 m
no value25.431 m to 25.621 m25.507 m25.475 m
no value25.431 m to 25.622 m25.508 m25.470 m
no value25.431 m to 25.622 m25.508 m25.461 m
no value25.431 m to 25.622 m25.507 m25.464 m
no value25.432 m to 25.621 m25.508 m25.462 m
no value25.433 m to 25.619 m25.508 m25.464 m
no value25.434 m to 25.618 m25.508 m25.484 m
no value25.434 m to 25.618 m25.508 m25.479 m
no value25.434 m to 25.619 m25.508 m25.481 m
no value25.435 m to 25.618 m25.509 m25.482 m
no value25.435 m to 25.618 m25.509 m25.482 m
no value25.436 m to 25.616 m25.511 m25.484 m
no value25.436 m to 25.612 m25.513 m25.520 m
25.472 m25.437 m to 25.612 m25.515 m25.566 m
25.470 m25.438 m to 25.612 m25.513 m25.597 m
25.487 m25.441 m to 25.614 m25.513 m25.571 m
25.482 m25.443 m to 25.612 m25.513 m25.549 m
25.484 m25.449 m to 25.613 m25.514 m25.549 m
25.490 m25.452 m to 25.619 m25.515 m25.559 m
25.491 m25.455 m to 25.637 m25.515 m25.526 m
25.488 m25.458 m to 25.648 m25.515 m25.515 m
25.489 m25.461 m to 25.655 m25.515 m25.507 m
25.504 m25.462 m to 25.658 m25.516 m25.500 m
25.513 m25.463 m to 25.659 m25.516 m25.499 m
25.521 m25.464 m to 25.660 m25.517 m25.498 m
25.525 m25.464 m to 25.662 m25.517 m25.497 m
25.515 m25.465 m to 25.664 m25.521 m25.496 m
25.504 m25.466 m to 25.668 m25.521 m25.494 m
25.499 m25.466 m to 25.666 m25.522 m25.496 m
25.494 m25.468 m to 25.666 m25.524 m25.498 m
25.494 m25.468 m to 25.683 m25.526 m25.495 m
25.497 m25.469 m to 25.690 m25.532 m25.491 m
25.500 m25.469 m to 25.695 m25.534 m25.488 m
25.506 m25.469 m to 25.699 m25.535 m25.489 m
25.506 m25.469 m to 25.717 m25.536 m25.491 m
25.505 m25.468 m to 25.731 m25.538 m25.496 m
25.503 m25.468 m to 25.745 m25.541 m25.500 m
25.506 m25.469 m to 25.749 m25.543 m25.501 m
25.501 m25.470 m to 25.757 m25.544 m25.499 m
25.499 m25.470 m to 25.769 m25.552 m25.496 m
25.497 m25.470 m to 25.803 m25.553 m25.493 m
25.495 m25.471 m to 25.823 m25.559 m25.488 m
25.493 m25.472 m to 25.836 m25.561 m25.487 m
25.494 m25.472 m to 25.851 m25.565 m25.492 m
25.495 m25.473 m to 25.851 m25.568 m25.491 m
25.501 m25.473 m to 25.851 m25.569 m25.491 m
25.517 m25.474 m to 25.847 m25.571 m25.499 m
25.514 m25.481 m to 25.829 m25.573 m25.495 m
25.514 m25.484 m to 25.827 m25.576 m25.493 m
25.523 m25.485 m to 25.818 m25.582 m25.500 m
25.554 m25.484 m to 25.739 m25.581 m25.520 m
25.565 m25.484 m to 25.739 m25.584 m25.523 m
25.566 m25.484 m to 25.750 m25.585 m25.519 m
25.555 m25.484 m to 25.768 m25.588 m25.516 m
25.551 m25.484 m to 25.781 m25.591 m25.537 m
25.551 m25.486 m to 25.814 m25.594 m25.597 m
25.549 m25.487 m to 25.817 m25.598 m25.659 m
25.545 m25.488 m to 25.819 m25.600 m25.638 m
25.533 m25.488 m to 25.828 m25.602 m25.612 m

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

The last 12 months, against the normal range for each day 25.5 m 26.0 m 26.5 m Lowest 25.357 m 25.533 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of the Slate River at Thunder Bay 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
25.612 m25.488 m to 25.828 m25.602 m
25.597 m25.488 m to 25.839 m25.604 m
25.581 m25.488 m to 25.857 m25.607 m
25.571 m25.488 m to 25.859 m25.609 m
25.569 m25.490 m to 25.885 m25.612 m
25.564 m25.499 m to 25.898 m25.613 m
25.560 m25.502 m to 25.905 m25.615 m
25.553 m25.503 m to 25.920 m25.617 m
25.545 m25.506 m to 25.923 m25.624 m
25.538 m25.514 m to 25.925 m25.633 m
25.580 m25.518 m to 25.931 m25.652 m
25.566 m25.520 m to 25.930 m25.658 m
25.555 m25.524 m to 25.937 m25.664 m
25.559 m25.527 m to 25.941 m25.669 m
25.560 m25.528 m to 25.956 m25.672 m
25.559 m25.529 m to 25.964 m25.674 m
25.564 m25.530 m to 25.964 m25.678 m
25.563 m25.532 m to 25.970 m25.682 m
25.563 m25.533 m to 25.982 m25.693 m
25.576 m25.538 m to 25.982 m25.700 m
25.588 m25.550 m to 25.968 m25.708 m
25.580 m25.557 m to 25.961 m25.713 m
25.573 m25.560 m to 25.956 m25.724 m
25.567 m25.563 m to 25.954 m25.726 m
25.559 m25.566 m to 25.950 m25.728 m
25.554 m25.567 m to 25.949 m25.729 m
25.561 m25.568 m to 25.941 m25.727 m
25.565 m25.569 m to 25.939 m25.727 m
25.567 m25.571 m to 25.936 m25.726 m
25.568 m25.573 m to 25.934 m25.726 m
25.567 m25.574 m to 25.927 m25.724 m
25.568 m25.576 m to 25.915 m25.722 m
25.573 m25.580 m to 25.913 m25.722 m
25.572 m25.594 m to 25.910 m25.722 m
25.572 m25.605 m to 25.910 m25.724 m
25.583 m25.607 m to 25.902 m25.724 m
25.606 m25.608 m to 25.902 m25.725 m
25.617 m25.608 m to 25.887 m25.729 m
25.622 m25.608 m to 25.916 m25.732 m
25.613 m25.608 m to 25.926 m25.734 m
25.656 m25.608 m to 25.946 m25.736 m
25.661 m25.609 m to 25.952 m25.738 m
25.697 m25.609 m to 25.961 m25.741 m
25.722 m25.610 m to 25.972 m25.745 m
25.727 m25.612 m to 25.975 m25.747 m
25.687 m25.610 m to 25.975 m25.750 m
25.796 m25.609 m to 25.981 m25.754 m
25.585 m25.613 m to 25.982 m25.756 m
25.565 m25.614 m to 25.983 m25.759 m
25.577 m25.612 m to 25.987 m25.759 m
25.724 m25.611 m to 25.987 m25.762 m
25.631 m25.611 m to 25.983 m25.762 m
25.591 m25.615 m to 25.996 m25.762 m
25.599 m25.616 m to 26.007 m25.760 m
25.679 m25.616 m to 26.013 m25.759 m
25.820 m25.616 m to 26.014 m25.759 m
25.869 m25.616 m to 26.001 m25.745 m
25.824 m25.616 m to 26.002 m25.747 m
25.685 m25.616 m to 26.002 m25.752 m
25.640 m25.617 m to 26.008 m25.752 m
25.641 m25.617 m to 26.011 m25.754 m
25.636 m25.616 m to 26.024 m25.758 m
25.666 m25.616 m to 26.017 m25.756 m
25.701 m25.616 m to 26.017 m25.742 m
25.702 m25.616 m to 26.015 m25.741 m
25.727 m25.616 m to 26.015 m25.739 m
25.728 m25.617 m to 26.011 m25.736 m
25.708 m25.616 m to 26.008 m25.733 m
no value25.615 m to 25.995 m25.733 m
no value25.616 m to 25.982 m25.731 m
no value25.617 m to 25.977 m25.727 m
no value25.617 m to 25.969 m25.725 m
no value25.616 m to 25.964 m25.717 m
no value25.614 m to 25.962 m25.711 m
no value25.613 m to 25.963 m25.708 m
no value25.610 m to 25.952 m25.705 m
no value25.609 m to 25.945 m25.702 m
no value25.609 m to 25.921 m25.701 m
no value25.610 m to 25.897 m25.700 m
no value25.609 m to 25.891 m25.695 m
no value25.607 m to 25.888 m25.691 m
no value25.605 m to 25.890 m25.690 m
no value25.605 m to 25.890 m25.689 m
no value25.605 m to 25.916 m25.689 m
no value25.605 m to 25.931 m25.690 m
no value25.605 m to 25.949 m25.690 m
no value25.605 m to 25.959 m25.689 m
no value25.603 m to 25.960 m25.689 m
no value25.602 m to 25.960 m25.689 m
no value25.601 m to 25.960 m25.689 m
no value25.601 m to 25.962 m25.690 m
no value25.600 m to 25.965 m25.690 m
no value25.599 m to 25.999 m25.689 m
no value25.598 m to 26.026 m25.689 m
no value25.597 m to 26.040 m25.689 m
no value25.596 m to 26.041 m25.689 m
no value25.595 m to 26.042 m25.689 m
no value25.594 m to 26.046 m25.687 m
no value25.594 m to 26.068 m25.686 m
no value25.594 m to 26.050 m25.680 m
no value25.594 m to 26.050 m25.676 m
no value25.596 m to 26.068 m25.675 m
no value25.600 m to 26.090 m25.675 m
no value25.606 m to 26.090 m25.673 m
no value25.607 m to 26.090 m25.675 m
no value25.608 m to 26.090 m25.675 m
no value25.609 m to 26.090 m25.677 m
no value25.610 m to 26.090 m25.690 m
no value25.610 m to 26.099 m25.707 m
no value25.610 m to 26.100 m25.717 m
no value25.609 m to 26.126 m25.718 m
no value25.608 m to 26.134 m25.719 m
no value25.608 m to 26.138 m25.728 m
no value25.608 m to 26.144 m25.741 m
no value25.608 m to 26.144 m25.757 m
no value25.610 m to 26.147 m25.764 m
no value25.608 m to 26.147 m25.768 m
no value25.607 m to 26.147 m25.771 m
no value25.603 m to 26.148 m25.774 m
no value25.602 m to 26.156 m25.774 m
no value25.600 m to 26.167 m25.774 m
no value25.599 m to 26.212 m25.771 m
no value25.599 m to 26.256 m25.768 m
no value25.601 m to 26.264 m25.771 m
no value25.603 m to 26.266 m25.775 m
no value25.606 m to 26.276 m25.801 m
no value25.609 m to 26.307 m25.812 m
no value25.612 m to 26.316 m25.822 m
no value25.607 m to 26.320 m25.807 m
no value25.608 m to 26.336 m25.820 m
no value25.610 m to 26.357 m25.823 m
no value25.615 m to 26.377 m25.842 m
no value25.616 m to 26.401 m25.851 m
no value25.618 m to 26.435 m25.875 m
no value25.619 m to 26.457 m25.903 m
no value25.619 m to 26.538 m25.908 m
no value25.620 m to 26.572 m25.922 m
no value25.624 m to 26.584 m25.947 m
no value25.630 m to 26.595 m25.998 m
no value25.642 m to 26.598 m26.044 m
no value25.650 m to 26.635 m26.058 m
no value25.654 m to 26.652 m26.088 m
no value25.661 m to 26.652 m26.110 m
no value25.663 m to 26.653 m26.135 m
no value25.667 m to 26.653 m26.145 m
no value25.668 m to 26.659 m26.164 m
no value25.671 m to 26.661 m26.167 m
no value25.672 m to 26.663 m26.169 m
no value25.677 m to 26.670 m26.174 m
no value25.681 m to 26.691 m26.191 m
no value25.688 m to 26.694 m26.197 m
no value25.690 m to 26.694 m26.214 m
no value25.696 m to 26.704 m26.233 m
no value25.704 m to 26.723 m26.235 m
no value25.714 m to 26.732 m26.233 m
no value25.733 m to 26.734 m26.229 m
no value25.772 m to 26.734 m26.231 m
no value25.784 m to 26.734 m26.235 m
no value25.796 m to 26.739 m26.238 m
no value25.811 m to 26.742 m26.251 m
no value25.841 m to 26.755 m26.260 m
no value25.854 m to 26.758 m26.270 m
no value25.860 m to 26.781 m26.290 m
no value25.860 m to 26.796 m26.302 m
no value25.860 m to 26.811 m26.307 m
no value25.860 m to 26.811 m26.307 m
no value25.851 m to 26.822 m26.302 m
no value25.851 m to 26.822 m26.291 m
no value25.851 m to 26.822 m26.281 m
no value25.860 m to 26.806 m26.291 m
no value25.877 m to 26.798 m26.281 m
no value25.878 m to 26.796 m26.290 m
no value25.871 m to 26.796 m26.290 m
no value25.871 m to 26.796 m26.290 m
no value25.883 m to 26.796 m26.295 m
no value25.883 m to 26.796 m26.289 m
no value25.874 m to 26.796 m26.281 m
no value25.866 m to 26.752 m26.280 m
no value25.855 m to 26.723 m26.269 m
no value25.855 m to 26.702 m26.250 m
no value25.851 m to 26.721 m26.244 m
no value25.839 m to 26.723 m26.239 m
no value25.826 m to 26.729 m26.244 m
no value25.821 m to 26.729 m26.250 m
no value25.816 m to 26.751 m26.247 m
no value25.808 m to 26.773 m26.241 m
no value25.805 m to 26.789 m26.232 m
no value25.805 m to 26.797 m26.206 m
no value25.805 m to 26.816 m26.192 m
no value25.805 m to 26.815 m26.175 m
no value25.800 m to 26.816 m26.183 m
no value25.792 m to 26.816 m26.153 m
no value25.784 m to 26.822 m26.137 m
no value25.774 m to 26.822 m26.112 m
no value25.771 m to 26.816 m26.086 m
no value25.766 m to 26.775 m26.039 m
no value25.763 m to 26.739 m26.002 m
no value25.761 m to 26.689 m25.974 m
no value25.754 m to 26.608 m25.950 m
no value25.743 m to 26.568 m25.936 m
no value25.695 m to 26.535 m25.904 m
no value25.690 m to 26.469 m25.886 m
no value25.690 m to 26.399 m25.877 m
no value25.688 m to 26.319 m25.874 m
no value25.686 m to 26.314 m25.865 m
no value25.684 m to 26.293 m25.865 m
no value25.678 m to 26.218 m25.857 m
no value25.676 m to 26.205 m25.849 m
no value25.674 m to 26.177 m25.848 m
no value25.669 m to 26.172 m25.840 m
no value25.667 m to 26.200 m25.841 m
no value25.663 m to 26.199 m25.838 m
no value25.661 m to 26.197 m25.833 m
no value25.657 m to 26.195 m25.824 m
no value25.651 m to 26.181 m25.821 m
no value25.641 m to 26.160 m25.819 m
no value25.634 m to 26.160 m25.812 m
no value25.625 m to 26.155 m25.805 m
no value25.621 m to 26.135 m25.799 m
no value25.616 m to 26.104 m25.791 m
no value25.612 m to 26.087 m25.787 m
no value25.611 m to 26.075 m25.779 m
no value25.605 m to 26.075 m25.771 m
no value25.598 m to 26.073 m25.766 m
no value25.588 m to 26.073 m25.757 m
no value25.585 m to 26.046 m25.751 m
no value25.575 m to 26.034 m25.744 m
no value25.572 m to 26.018 m25.732 m
no value25.571 m to 26.004 m25.726 m
no value25.570 m to 26.017 m25.721 m
no value25.570 m to 26.035 m25.716 m
no value25.565 m to 26.048 m25.713 m
no value25.559 m to 26.035 m25.706 m
no value25.558 m to 26.034 m25.702 m
no value25.554 m to 26.034 m25.698 m
no value25.549 m to 26.031 m25.696 m
no value25.546 m to 26.048 m25.690 m
no value25.542 m to 26.034 m25.676 m
no value25.540 m to 26.034 m25.674 m
no value25.535 m to 26.034 m25.671 m
no value25.534 m to 26.048 m25.670 m
no value25.534 m to 26.049 m25.670 m
no value25.538 m to 26.061 m25.667 m
no value25.537 m to 26.075 m25.667 m
no value25.536 m to 26.076 m25.667 m
no value25.541 m to 26.077 m25.675 m
no value25.541 m to 26.027 m25.669 m
no value25.541 m to 26.011 m25.669 m
no value25.537 m to 25.996 m25.663 m
no value25.536 m to 25.978 m25.657 m
no value25.536 m to 25.976 m25.653 m
no value25.536 m to 25.927 m25.652 m
no value25.535 m to 25.898 m25.648 m
no value25.533 m to 25.881 m25.646 m
no value25.532 m to 25.881 m25.641 m
no value25.524 m to 25.875 m25.637 m
no value25.522 m to 25.846 m25.629 m
no value25.518 m to 25.832 m25.625 m
no value25.517 m to 25.813 m25.622 m
no value25.505 m to 25.806 m25.612 m
no value25.504 m to 25.802 m25.608 m
no value25.502 m to 25.795 m25.607 m
no value25.498 m to 25.782 m25.604 m
no value25.493 m to 25.779 m25.594 m
no value25.491 m to 25.775 m25.590 m
no value25.487 m to 25.771 m25.587 m
no value25.484 m to 25.757 m25.583 m
no value25.482 m to 25.754 m25.580 m
no value25.481 m to 25.747 m25.578 m
no value25.479 m to 25.736 m25.577 m
no value25.477 m to 25.739 m25.575 m
no value25.474 m to 25.744 m25.571 m
no value25.473 m to 25.754 m25.567 m
no value25.473 m to 25.748 m25.563 m
no value25.472 m to 25.733 m25.558 m
no value25.472 m to 25.728 m25.553 m
no value25.472 m to 25.728 m25.552 m
no value25.472 m to 25.728 m25.550 m
no value25.471 m to 25.720 m25.547 m
no value25.469 m to 25.718 m25.545 m
no value25.467 m to 25.710 m25.542 m
no value25.465 m to 25.710 m25.538 m
no value25.465 m to 25.710 m25.538 m
no value25.463 m to 25.707 m25.535 m
no value25.462 m to 25.692 m25.532 m
no value25.461 m to 25.680 m25.527 m
no value25.461 m to 25.673 m25.524 m
no value25.455 m to 25.657 m25.520 m
no value25.453 m to 25.647 m25.516 m
no value25.449 m to 25.637 m25.516 m
no value25.446 m to 25.627 m25.515 m
no value25.443 m to 25.624 m25.513 m
no value25.442 m to 25.610 m25.513 m
no value25.440 m to 25.606 m25.513 m
no value25.439 m to 25.602 m25.513 m
no value25.439 m to 25.602 m25.512 m
no value25.438 m to 25.602 m25.512 m
no value25.437 m to 25.602 m25.512 m
no value25.434 m to 25.595 m25.511 m
no value25.432 m to 25.589 m25.511 m
no value25.430 m to 25.586 m25.511 m
no value25.428 m to 25.587 m25.510 m
no value25.428 m to 25.594 m25.509 m
no value25.428 m to 25.594 m25.508 m
no value25.430 m to 25.607 m25.508 m
no value25.431 m to 25.618 m25.507 m
no value25.431 m to 25.619 m25.508 m
no value25.431 m to 25.621 m25.507 m
no value25.431 m to 25.622 m25.508 m
no value25.431 m to 25.622 m25.508 m
no value25.431 m to 25.622 m25.507 m
no value25.432 m to 25.621 m25.508 m
no value25.433 m to 25.619 m25.508 m
no value25.434 m to 25.618 m25.508 m
no value25.434 m to 25.618 m25.508 m
no value25.434 m to 25.619 m25.508 m
no value25.435 m to 25.618 m25.509 m
no value25.435 m to 25.618 m25.509 m
no value25.436 m to 25.616 m25.511 m
no value25.436 m to 25.612 m25.513 m
25.472 m25.437 m to 25.612 m25.515 m
25.470 m25.438 m to 25.612 m25.513 m
25.487 m25.441 m to 25.614 m25.513 m
25.482 m25.443 m to 25.612 m25.513 m
25.484 m25.449 m to 25.613 m25.514 m
25.490 m25.452 m to 25.619 m25.515 m
25.491 m25.455 m to 25.637 m25.515 m
25.488 m25.458 m to 25.648 m25.515 m
25.489 m25.461 m to 25.655 m25.515 m
25.504 m25.462 m to 25.658 m25.516 m
25.513 m25.463 m to 25.659 m25.516 m
25.521 m25.464 m to 25.660 m25.517 m
25.525 m25.464 m to 25.662 m25.517 m
25.515 m25.465 m to 25.664 m25.521 m
25.504 m25.466 m to 25.668 m25.521 m
25.499 m25.466 m to 25.666 m25.522 m
25.494 m25.468 m to 25.666 m25.524 m
25.494 m25.468 m to 25.683 m25.526 m
25.497 m25.469 m to 25.690 m25.532 m
25.500 m25.469 m to 25.695 m25.534 m
25.506 m25.469 m to 25.699 m25.535 m
25.506 m25.469 m to 25.717 m25.536 m
25.505 m25.468 m to 25.731 m25.538 m
25.503 m25.468 m to 25.745 m25.541 m
25.506 m25.469 m to 25.749 m25.543 m
25.501 m25.470 m to 25.757 m25.544 m
25.499 m25.470 m to 25.769 m25.552 m
25.497 m25.470 m to 25.803 m25.553 m
25.495 m25.471 m to 25.823 m25.559 m
25.493 m25.472 m to 25.836 m25.561 m
25.494 m25.472 m to 25.851 m25.565 m
25.495 m25.473 m to 25.851 m25.568 m
25.501 m25.473 m to 25.851 m25.569 m
25.517 m25.474 m to 25.847 m25.571 m
25.514 m25.481 m to 25.829 m25.573 m
25.514 m25.484 m to 25.827 m25.576 m
25.523 m25.485 m to 25.818 m25.582 m
25.554 m25.484 m to 25.739 m25.581 m
25.565 m25.484 m to 25.739 m25.584 m
25.566 m25.484 m to 25.750 m25.585 m
25.555 m25.484 m to 25.768 m25.588 m
25.551 m25.484 m to 25.781 m25.591 m
25.551 m25.486 m to 25.814 m25.594 m
25.549 m25.487 m to 25.817 m25.598 m
25.545 m25.488 m to 25.819 m25.600 m
25.533 m25.488 m to 25.828 m25.602 m

The last 10 years, weekly averages

The last 10 years, weekly averages 26 m 27 m Highest 27.504 m Lowest 25.357 m 25.550 m
  • Level
  • Our record
Weekly averages of the Slate River at Thunder Bay from the week of 24 October 2016 to 25 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
25.590 m
25.601 m
25.590 m
25.625 m
25.701 m
26.508 m
25.992 m
26.019 m
25.789 m
25.712 m
25.673 m
25.650 m
25.644 m
25.945 m
25.688 m
25.666 m
25.679 m
26.624 m
26.250 m
26.552 m
26.041 m
26.569 m
26.988 m
26.533 m
26.060 m
26.236 m
26.025 m
26.672 m
26.007 m
25.993 m
26.037 m
26.090 m
25.792 m
25.895 m
25.920 m
26.238 m
25.988 m
26.025 m
25.733 m
25.606 m
25.545 m
25.535 m
25.511 m
25.512 m
25.515 m
25.586 m
25.554 m
25.622 m
25.763 m
25.939 m
25.696 m
25.672 m
25.812 m
25.946 m
26.001 m
25.915 m
25.897 m
25.780 m
26.227 m
26.157 m
25.887 m
no value
no value
no value
no value
no value
no value
no value
no value
no value
25.618 m
25.608 m
25.650 m
25.667 m
25.984 m
25.904 m
26.239 m
26.432 m
26.416 m
26.083 m
25.905 m
25.771 m
25.716 m
25.726 m
25.669 m
25.565 m
25.640 m
25.546 m
25.691 m
25.718 m
25.592 m
25.521 m
25.495 m
25.492 m
25.488 m
25.495 m
25.509 m
25.519 m
25.514 m
25.548 m
25.688 m
25.821 m
26.255 m
25.840 m
25.799 m
25.864 m
26.158 m
26.091 m
25.925 m
25.908 m
25.736 m
25.689 m
25.664 m
25.650 m
25.646 m
25.634 m
25.618 m
25.595 m
25.584 m
25.596 m
25.605 m
25.598 m
25.605 m
25.619 m
26.162 m
26.557 m
26.550 m
26.257 m
26.349 m
26.493 m
26.409 m
26.265 m
26.226 m
25.993 m
25.886 m
25.816 m
26.082 m
25.768 m
25.652 m
25.698 m
25.689 m
25.618 m
25.583 m
25.579 m
25.613 m
25.603 m
25.542 m
25.532 m
25.523 m
25.612 m
25.754 m
25.711 m
25.634 m
25.695 m
25.799 m
25.849 m
26.205 m
25.788 m
25.729 m
25.732 m
25.749 m
25.744 m
25.786 m
25.809 m
25.833 m
25.872 m
26.033 m
25.890 m
25.772 m
25.755 m
25.717 m
25.718 m
25.725 m
25.752 m
25.862 m
26.058 m
26.148 m
26.039 m
26.229 m
26.875 m
26.622 m
26.142 m
26.151 m
26.217 m
25.921 m
25.830 m
25.758 m
25.719 m
25.621 m
25.631 m
25.568 m
25.525 m
25.507 m
25.512 m
25.511 m
25.508 m
25.487 m
25.481 m
25.483 m
25.524 m
25.519 m
25.521 m
25.549 m
25.517 m
25.509 m
25.520 m
25.521 m
25.630 m
25.620 m
25.605 m
25.596 m
25.605 m
25.636 m
25.613 m
25.625 m
25.606 m
25.636 m
25.618 m
25.605 m
25.587 m
25.606 m
25.706 m
25.848 m
25.720 m
25.881 m
26.100 m
26.101 m
25.858 m
26.321 m
no value
no value
no value
no value
26.279 m
26.059 m
25.950 m
25.871 m
25.736 m
25.834 m
25.976 m
25.689 m
25.868 m
25.679 m
25.588 m
25.558 m
25.545 m
25.514 m
25.487 m
25.465 m
25.448 m
25.449 m
25.414 m
25.388 m
25.442 m
25.437 m
25.455 m
25.472 m
25.460 m
25.472 m
25.516 m
25.487 m
25.494 m
25.526 m
25.884 m
25.821 m
25.796 m
25.663 m
25.726 m
25.881 m
25.911 m
25.767 m
25.672 m
25.662 m
25.658 m
25.628 m
25.625 m
25.648 m
25.619 m
25.620 m
25.614 m
25.617 m
25.965 m
26.490 m
26.346 m
26.547 m
26.858 m
26.458 m
26.842 m
27.133 m
26.945 m
26.077 m
25.887 m
25.942 m
25.705 m
25.631 m
25.554 m
25.499 m
25.459 m
25.461 m
25.462 m
25.473 m
25.493 m
25.475 m
25.459 m
25.456 m
25.446 m
25.444 m
25.603 m
25.715 m
25.597 m
25.557 m
25.586 m
25.586 m
25.620 m
25.588 m
25.737 m
25.781 m
25.729 m
25.784 m
25.754 m
25.804 m
25.807 m
25.738 m
25.712 m
25.697 m
25.708 m
25.682 m
25.653 m
25.648 m
25.881 m
25.989 m
25.751 m
25.695 m
25.711 m
25.741 m
25.967 m
26.130 m
26.911 m
26.351 m
26.367 m
26.616 m
26.526 m
26.034 m
25.875 m
25.686 m
25.583 m
25.522 m
25.494 m
25.553 m
25.536 m
25.491 m
25.482 m
25.461 m
25.454 m
25.438 m
25.439 m
25.439 m
25.449 m
25.477 m
25.483 m
25.478 m
25.479 m
25.472 m
25.472 m
25.485 m
25.494 m
25.506 m
25.559 m
25.588 m
25.551 m
25.560 m
25.528 m
25.542 m
25.533 m
25.609 m
25.603 m
25.563 m
25.572 m
25.545 m
25.514 m
25.645 m
25.714 m
25.639 m
25.623 m
25.972 m
25.800 m
25.676 m
25.559 m
25.714 m
26.052 m
25.981 m
25.862 m
26.146 m
25.853 m
25.710 m
26.063 m
25.773 m
25.766 m
25.708 m
25.921 m
25.875 m
25.793 m
25.693 m
25.622 m
25.534 m
25.493 m
25.468 m
25.465 m
25.450 m
25.433 m
25.427 m
25.422 m
25.418 m
25.406 m
25.388 m
25.385 m
25.420 m
25.437 m
25.446 m
25.453 m
25.480 m
25.782 m
25.664 m
25.616 m
25.647 m
25.677 m
25.733 m
25.830 m
25.809 m
25.801 m
25.806 m
25.834 m
26.082 m
25.934 m
26.065 m
26.279 m
26.338 m
26.567 m
26.606 m
26.582 m
26.478 m
26.571 m
26.934 m
26.487 m
26.562 m
25.964 m
25.789 m
25.709 m
25.649 m
25.548 m
25.495 m
25.754 m
25.679 m
25.633 m
25.662 m
25.592 m
25.975 m
25.803 m
25.568 m
25.525 m
25.493 m
25.471 m
25.476 m
25.548 m
25.515 m
25.495 m
25.495 m
25.491 m
25.507 m
25.594 m
25.563 m
25.560 m
25.572 m
25.563 m
25.577 m
25.655 m
25.666 m
25.716 m
25.667 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
25.478 m
25.494 m
25.508 m
25.503 m
25.496 m
25.527 m
25.550 m

The whole record since 2007, weekly averages

The whole record since 2007, weekly averages 26 m 27 m Highest 27.504 m Lowest 25.357 m 25.550 m
  • Level
  • Our record
Weekly averages of the Slate River at Thunder Bay from 9 May 2007 to 25 October 2026.
Table: The whole record since 2007, weekly averages
Week startingWeekly average (m)
25.620 m
25.604 m
25.620 m
25.634 m
25.761 m
25.683 m
25.678 m
25.592 m
25.545 m
25.548 m
25.541 m
25.527 m
25.500 m
25.464 m
25.412 m
25.390 m
25.382 m
25.415 m
25.472 m
25.486 m
25.494 m
25.646 m
26.001 m
26.375 m
no value
25.820 m
25.774 m
25.748 m
25.725 m
25.747 m
25.862 m
25.966 m
25.929 m
26.043 m
25.891 m
25.828 m
25.769 m
25.787 m
26.029 m
25.860 m
25.798 m
25.988 m
26.091 m
25.971 m
26.257 m
26.139 m
26.173 m
26.459 m
26.407 m
26.533 m
26.537 m
26.257 m
26.135 m
25.925 m
25.814 m
25.839 m
26.259 m
26.304 m
25.872 m
25.775 m
25.727 m
25.630 m
25.662 m
25.601 m
25.581 m
25.558 m
25.533 m
25.511 m
25.509 m
25.496 m
25.501 m
25.500 m
25.516 m
25.539 m
25.551 m
25.582 m
25.595 m
25.608 m
26.035 m
25.891 m
25.769 m
25.724 m
25.716 m
25.706 m
25.659 m
25.635 m
25.659 m
25.656 m
25.650 m
25.630 m
25.614 m
25.616 m
25.776 m
25.749 m
25.648 m
25.633 m
25.660 m
26.083 m
26.286 m
26.296 m
26.289 m
26.627 m
26.554 m
26.537 m
26.179 m
25.968 m
25.944 m
25.813 m
25.710 m
25.768 m
25.702 m
25.642 m
25.574 m
25.543 m
25.529 m
25.540 m
25.559 m
25.535 m
25.516 m
25.660 m
25.647 m
25.629 m
25.554 m
25.554 m
25.547 m
25.561 m
25.597 m
25.600 m
25.617 m
25.705 m
25.706 m
25.731 m
25.808 m
25.743 m
25.732 m
25.802 m
25.870 m
25.844 m
25.835 m
25.904 m
26.020 m
26.010 m
26.259 m
25.824 m
26.147 m
26.304 m
26.085 m
26.427 m
26.704 m
26.662 m
26.069 m
25.979 m
25.885 m
25.790 m
25.725 m
25.708 m
25.803 m
25.840 m
25.772 m
25.637 m
25.585 m
25.667 m
25.687 m
25.686 m
25.626 m
25.561 m
25.542 m
25.537 m
25.527 m
25.512 m
25.512 m
25.508 m
25.490 m
25.465 m
25.500 m
25.482 m
25.493 m
25.520 m
25.506 m
25.502 m
25.508 m
25.948 m
25.753 m
25.660 m
25.681 m
25.743 m
25.917 m
25.854 m
25.763 m
25.690 m
25.709 m
25.684 m
25.658 m
25.711 m
25.666 m
25.739 m
25.763 m
25.893 m
25.759 m
25.763 m
26.022 m
26.163 m
26.249 m
26.237 m
26.707 m
26.723 m
26.189 m
26.383 m
26.219 m
25.986 m
25.811 m
26.071 m
25.872 m
25.782 m
25.631 m
25.971 m
25.897 m
25.849 m
25.748 m
25.684 m
25.590 m
25.552 m
25.535 m
25.512 m
25.498 m
25.502 m
25.498 m
25.487 m
25.509 m
25.510 m
25.507 m
25.522 m
25.528 m
25.526 m
25.528 m
25.534 m
25.555 m
25.608 m
25.622 m
25.651 m
25.655 m
25.638 m
25.690 m
25.758 m
25.680 m
25.687 m
25.778 m
25.901 m
25.810 m
25.899 m
25.821 m
26.084 m
26.193 m
26.421 m
26.283 m
25.931 m
25.898 m
25.740 m
26.109 m
25.868 m
25.772 m
25.757 m
25.679 m
26.108 m
26.237 m
25.771 m
25.701 m
26.125 m
25.718 m
25.612 m
25.582 m
25.575 m
25.600 m
25.697 m
25.874 m
25.864 m
25.707 m
25.660 m
25.627 m
25.544 m
25.512 m
25.498 m
25.502 m
25.501 m
25.508 m
25.626 m
25.808 m
25.849 m
25.939 m
25.768 m
25.698 m
25.744 m
25.715 m
25.721 m
25.832 m
25.790 m
25.784 m
25.764 m
25.636 m
25.638 m
25.613 m
25.648 m
25.647 m
25.626 m
25.725 m
25.756 m
25.690 m
26.028 m
26.252 m
26.271 m
26.272 m
26.448 m
26.726 m
26.527 m
26.027 m
26.704 m
25.927 m
25.816 m
25.708 m
25.609 m
25.639 m
25.636 m
25.701 m
25.945 m
25.869 m
25.753 m
25.768 m
25.616 m
25.559 m
25.553 m
25.538 m
25.548 m
25.631 m
25.623 m
25.580 m
25.697 m
25.662 m
25.692 m
25.672 m
25.712 m
25.743 m
25.753 m
25.710 m
25.755 m
25.870 m
25.834 m
25.774 m
25.731 m
25.693 m
25.685 m
25.703 m
25.681 m
25.649 m
25.748 m
25.779 m
25.837 m
25.919 m
26.019 m
25.806 m
25.784 m
26.032 m
26.512 m
26.308 m
26.602 m
26.772 m
26.580 m
26.294 m
26.081 m
25.835 m
26.191 m
25.824 m
25.805 m
25.864 m
25.712 m
25.943 m
25.664 m
25.687 m
25.725 m
25.599 m
25.596 m
25.565 m
25.577 m
25.627 m
25.611 m
25.587 m
25.579 m
25.624 m
25.639 m
25.602 m
25.614 m
25.624 m
25.626 m
25.633 m
25.680 m
25.677 m
25.782 m
25.821 m
25.928 m
25.943 m
25.948 m
25.803 m
26.028 m
25.954 m
26.081 m
26.243 m
26.230 m
25.687 m
25.589 m
25.753 m
26.140 m
26.784 m
26.718 m
26.739 m
26.525 m
26.365 m
26.126 m
25.823 m
no value
no value
26.077 m
26.021 m
25.785 m
25.767 m
25.622 m
25.861 m
25.715 m
25.639 m
25.647 m
25.597 m
25.562 m
25.544 m
25.544 m
25.544 m
25.560 m
25.596 m
25.600 m
25.592 m
25.596 m
25.594 m
25.568 m
25.567 m
25.581 m
25.694 m
25.705 m
25.729 m
26.156 m
25.888 m
25.843 m
25.877 m
26.061 m
26.455 m
26.134 m
25.875 m
25.750 m
25.690 m
25.681 m
25.659 m
25.650 m
25.662 m
25.749 m
25.701 m
26.022 m
26.570 m
26.232 m
26.302 m
26.099 m
26.271 m
26.696 m
26.051 m
25.906 m
25.804 m
25.747 m
25.756 m
26.082 m
26.115 m
26.199 m
26.342 m
26.297 m
25.797 m
25.876 m
25.681 m
25.560 m
25.509 m
25.506 m
25.526 m
25.540 m
25.516 m
25.508 m
25.513 m
25.526 m
25.553 m
25.562 m
25.571 m
25.594 m
25.590 m
25.601 m
25.590 m
25.625 m
25.701 m
26.508 m
25.992 m
26.019 m
25.789 m
25.712 m
25.673 m
25.650 m
25.644 m
25.945 m
25.688 m
25.666 m
25.679 m
26.624 m
26.250 m
26.552 m
26.041 m
26.569 m
26.988 m
26.533 m
26.060 m
26.236 m
26.025 m
26.672 m
26.007 m
25.993 m
26.037 m
26.090 m
25.792 m
25.895 m
25.920 m
26.238 m
25.988 m
26.025 m
25.733 m
25.606 m
25.545 m
25.535 m
25.511 m
25.512 m
25.515 m
25.586 m
25.554 m
25.622 m
25.763 m
25.939 m
25.696 m
25.672 m
25.812 m
25.946 m
26.001 m
25.915 m
25.897 m
25.780 m
26.227 m
26.157 m
25.887 m
no value
no value
no value
no value
no value
no value
no value
no value
no value
25.618 m
25.608 m
25.650 m
25.667 m
25.984 m
25.904 m
26.239 m
26.432 m
26.416 m
26.083 m
25.905 m
25.771 m
25.716 m
25.726 m
25.669 m
25.565 m
25.640 m
25.546 m
25.691 m
25.718 m
25.592 m
25.521 m
25.495 m
25.492 m
25.488 m
25.495 m
25.509 m
25.519 m
25.514 m
25.548 m
25.688 m
25.821 m
26.255 m
25.840 m
25.799 m
25.864 m
26.158 m
26.091 m
25.925 m
25.908 m
25.736 m
25.689 m
25.664 m
25.650 m
25.646 m
25.634 m
25.618 m
25.595 m
25.584 m
25.596 m
25.605 m
25.598 m
25.605 m
25.619 m
26.162 m
26.557 m
26.550 m
26.257 m
26.349 m
26.493 m
26.409 m
26.265 m
26.226 m
25.993 m
25.886 m
25.816 m
26.082 m
25.768 m
25.652 m
25.698 m
25.689 m
25.618 m
25.583 m
25.579 m
25.613 m
25.603 m
25.542 m
25.532 m
25.523 m
25.612 m
25.754 m
25.711 m
25.634 m
25.695 m
25.799 m
25.849 m
26.205 m
25.788 m
25.729 m
25.732 m
25.749 m
25.744 m
25.786 m
25.809 m
25.833 m
25.872 m
26.033 m
25.890 m
25.772 m
25.755 m
25.717 m
25.718 m
25.725 m
25.752 m
25.862 m
26.058 m
26.148 m
26.039 m
26.229 m
26.875 m
26.622 m
26.142 m
26.151 m
26.217 m
25.921 m
25.830 m
25.758 m
25.719 m
25.621 m
25.631 m
25.568 m
25.525 m
25.507 m
25.512 m
25.511 m
25.508 m
25.487 m
25.481 m
25.483 m
25.524 m
25.519 m
25.521 m
25.549 m
25.517 m
25.509 m
25.520 m
25.521 m
25.630 m
25.620 m
25.605 m
25.596 m
25.605 m
25.636 m
25.613 m
25.625 m
25.606 m
25.636 m
25.618 m
25.605 m
25.587 m
25.606 m
25.706 m
25.848 m
25.720 m
25.881 m
26.100 m
26.101 m
25.858 m
26.321 m
no value
no value
no value
no value
26.279 m
26.059 m
25.950 m
25.871 m
25.736 m
25.834 m
25.976 m
25.689 m
25.868 m
25.679 m
25.588 m
25.558 m
25.545 m
25.514 m
25.487 m
25.465 m
25.448 m
25.449 m
25.414 m
25.388 m
25.442 m
25.437 m
25.455 m
25.472 m
25.460 m
25.472 m
25.516 m
25.487 m
25.494 m
25.526 m
25.884 m
25.821 m
25.796 m
25.663 m
25.726 m
25.881 m
25.911 m
25.767 m
25.672 m
25.662 m
25.658 m
25.628 m
25.625 m
25.648 m
25.619 m
25.620 m
25.614 m
25.617 m
25.965 m
26.490 m
26.346 m
26.547 m
26.858 m
26.458 m
26.842 m
27.133 m
26.945 m
26.077 m
25.887 m
25.942 m
25.705 m
25.631 m
25.554 m
25.499 m
25.459 m
25.461 m
25.462 m
25.473 m
25.493 m
25.475 m
25.459 m
25.456 m
25.446 m
25.444 m
25.603 m
25.715 m
25.597 m
25.557 m
25.586 m
25.586 m
25.620 m
25.588 m
25.737 m
25.781 m
25.729 m
25.784 m
25.754 m
25.804 m
25.807 m
25.738 m
25.712 m
25.697 m
25.708 m
25.682 m
25.653 m
25.648 m
25.881 m
25.989 m
25.751 m
25.695 m
25.711 m
25.741 m
25.967 m
26.130 m
26.911 m
26.351 m
26.367 m
26.616 m
26.526 m
26.034 m
25.875 m
25.686 m
25.583 m
25.522 m
25.494 m
25.553 m
25.536 m
25.491 m
25.482 m
25.461 m
25.454 m
25.438 m
25.439 m
25.439 m
25.449 m
25.477 m
25.483 m
25.478 m
25.479 m
25.472 m
25.472 m
25.485 m
25.494 m
25.506 m
25.559 m
25.588 m
25.551 m
25.560 m
25.528 m
25.542 m
25.533 m
25.609 m
25.603 m
25.563 m
25.572 m
25.545 m
25.514 m
25.645 m
25.714 m
25.639 m
25.623 m
25.972 m
25.800 m
25.676 m
25.559 m
25.714 m
26.052 m
25.981 m
25.862 m
26.146 m
25.853 m
25.710 m
26.063 m
25.773 m
25.766 m
25.708 m
25.921 m
25.875 m
25.793 m
25.693 m
25.622 m
25.534 m
25.493 m
25.468 m
25.465 m
25.450 m
25.433 m
25.427 m
25.422 m
25.418 m
25.406 m
25.388 m
25.385 m
25.420 m
25.437 m
25.446 m
25.453 m
25.480 m
25.782 m
25.664 m
25.616 m
25.647 m
25.677 m
25.733 m
25.830 m
25.809 m
25.801 m
25.806 m
25.834 m
26.082 m
25.934 m
26.065 m
26.279 m
26.338 m
26.567 m
26.606 m
26.582 m
26.478 m
26.571 m
26.934 m
26.487 m
26.562 m
25.964 m
25.789 m
25.709 m
25.649 m
25.548 m
25.495 m
25.754 m
25.679 m
25.633 m
25.662 m
25.592 m
25.975 m
25.803 m
25.568 m
25.525 m
25.493 m
25.471 m
25.476 m
25.548 m
25.515 m
25.495 m
25.495 m
25.491 m
25.507 m
25.594 m
25.563 m
25.560 m
25.572 m
25.563 m
25.577 m
25.655 m
25.666 m
25.716 m
25.667 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
25.478 m
25.494 m
25.508 m
25.503 m
25.496 m
25.527 m
25.550 m

How this compares

  • The daily average on 25 October 2026 was 25.533 m, the sixth lowest for 25 October in 19 years of record (2008 to 2026). The newest value is provisional.
  • That is 0.08 m below the median of 25.61 m for 25 October over the last 10 years. The newest value is provisional.

Same date in past years

25 October in the last 10 years

DayLevelAgainst the normal range for the date
25.612 m
25.446 m
25.487 m
25.612 m
25.481 m
25.62 m
26.074 m
25.718 m
25.642 m
25.585 m

Year by year

The lowest and highest daily average of each year

The lowest and highest daily average of each year 26 m 27 m Highest 27.504 m, 2013
  • Each year, lowest to highest
  • The year so far
  • Highest in our series
The lowest and highest daily average of the Slate River at Thunder Bay in each year from 2008 to 2025 with a value on at least 300 days, and in 2026 so far. The highest daily average in our series since 9 May 2007 was 27.504 m, on 21 May 2013.
Table: The lowest and highest daily average of each year
YearLowest daily average (m)DayHighest daily average (m)DayDays with a value
25.483 m27.289 m366
25.51 m26.803 m365
25.443 m26.925 m365
25.483 m27.073 m365
25.496 m26.789 m366
25.527 m27.504 m365
25.561 m26.958 m365
25.506 m26.848 m353
25.496 m27.395 m363
25.501 m27.128 m357
25.477 m26.738 m309
25.507 m26.759 m365
25.463 m27.054 m366
25.374 m26.751 m343
25.434 m27.376 m359
25.428 m27.242 m365
25.378 m26.563 m366
25.461 m27.261 m365
so far, provisional25.47 m25.566 m46

Each year from January to December, weekly averages

Each year from January to December, weekly averages 25.5 m 26.0 m 26.5 m 27.0 m 2013, highest day 2026 so far
  • The year so far
  • , the year before
  • Year of the highest day in our series
  • Other years
  • Normal range for the week
The weekly averages of the Slate River at Thunder Bay in each year from 2007 to 2025 with a value in at least 26 weeks, and in 2026 so far, on one axis from January to December, with the normal range for each week. The highest daily average in our series since 9 May 2007 was in 2013. 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), highest day Weekly average (m)Normal range (m)
to no value25.780 m25.617 m to 25.969 m
to no value25.817 m25.610 m to 25.897 m
to no value25.720 m25.605 m to 25.949 m
to no value25.636 m25.599 m to 25.999 m
to no value25.632 m25.594 m to 26.050 m
to no value25.624 m25.609 m to 26.090 m
to no value25.643 m25.608 m to 26.144 m
to no value25.645 m25.600 m to 26.167 m
to no value25.624 m25.612 m to 26.316 m
to no value25.763 m25.619 m to 26.457 m
to no value25.725 m25.654 m to 26.652 m
to no value25.701 m25.677 m to 26.670 m
to no value26.114 m25.733 m to 26.734 m
to no value26.239 m25.860 m to 26.781 m
to no value26.254 m25.860 m to 26.806 m
to no value26.290 m25.874 m to 26.796 m
to no value26.554 m25.821 m to 26.729 m
to no value26.659 m25.800 m to 26.816 m
to no value26.465 m25.761 m to 26.689 m
to no value26.129 m25.686 m to 26.314 m
to no value26.580 m25.663 m to 26.199 m
to no value25.928 m25.621 m to 26.135 m
to no value25.781 m25.585 m to 26.046 m
to no value25.700 m25.559 m to 26.035 m
to no value25.597 m25.535 m to 26.034 m
to no value25.655 m25.541 m to 26.027 m
to no value25.651 m25.533 m to 25.881 m
to no value25.678 m25.504 m to 25.802 m
to no value25.984 m25.482 m to 25.754 m
to no value25.868 m25.472 m to 25.733 m
to no value25.713 m25.465 m to 25.710 m
to no value25.772 m25.453 m to 25.647 m
to no value25.604 m25.439 m to 25.602 m
to no value25.556 m25.428 m to 25.594 m
to no value25.552 m25.431 m to 25.622 m
to no value25.535 m25.435 m to 25.618 m
to 25.482 m25.551 m25.443 m to 25.612 m
to 25.508 m25.648 m25.463 m to 25.659 m
to 25.499 m25.610 m25.468 m to 25.683 m
to 25.502 m25.612 m25.469 m to 25.749 m
to 25.501 m25.672 m25.473 m to 25.851 m
to 25.547 m25.672 m25.484 m to 25.739 m
to no value25.689 m25.488 m to 25.828 m
to no value25.669 m25.503 m to 25.920 m
to no value25.728 m25.528 m to 25.956 m
to no value25.741 m25.557 m to 25.961 m
to no value25.742 m25.571 m to 25.936 m
to no value25.711 m25.607 m to 25.902 m
to no value25.775 m25.609 m to 25.961 m
to no value25.879 m25.612 m to 25.987 m
to no value25.813 m25.616 m to 26.001 m
to no value25.778 m25.616 m to 26.017 m
Every year
YearDays with a valueDays below the normal range
to 470
36535
366148
365102
35938
34376
36637
36539
30928
3570
3630
35311
3650
3652
36624
36510
36542
3650
3660
22847

How it compares

That is within the normal range for the date.

Records

  • Highest daily average in our series since 9 May 2007: 27.504 m on 21 May 2013.
  • Lowest daily average in our series since 9 May 2007: 25.357 m on 3 September 2007.

About this gauge

Thunder Bay is a gauge on the Slate River in Canada.

It lies at 48.3258° N, 89.4042° W.

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

Our readings for this gauge go back to 9 May 2007.

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 25.49 m to 25.83 m: the 10th to 90th percentile of the daily averages from 18 October to 1 November in 18 years between 2007 and 2025.

Keep exploring

Sources