World Water Levels

normal for the date

Niagara River at Ashland Ave: history

On the Niagara River at Ashland Ave averaged 98.05 m above IGLD 1985.

That is within the normal range for the date. The normal range for 4 October is 97.88 m to 99.74 m: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 69 years between 1957 and 2025.

The last 90 days, against the normal range for each day
The last 90 days, against the normal range for each day 98 m 99 m 100 m 98.050 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
Daily averages of the Niagara River at Ashland Ave from 7 July 2026 to 4 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
98.128 m98.152 m to 100.234 m98.529 m98.275 m
98.264 m98.148 m to 100.224 m98.525 m98.233 m
98.251 m98.146 m to 100.215 m98.525 m98.237 m
98.235 m98.146 m to 100.168 m98.516 m98.201 m
98.275 m98.148 m to 100.140 m98.497 m98.293 m
98.167 m98.149 m to 100.124 m98.485 m98.237 m
98.154 m98.152 m to 100.124 m98.476 m98.184 m
98.215 m98.153 m to 100.124 m98.461 m98.157 m
98.404 m98.152 m to 100.124 m98.451 m98.096 m
98.402 m98.152 m to 100.122 m98.434 m98.173 m
98.224 m98.152 m to 100.113 m98.431 m98.421 m
98.238 m98.154 m to 100.115 m98.431 m98.300 m
98.278 m98.152 m to 100.110 m98.436 m98.154 m
98.222 m98.150 m to 100.116 m98.428 m98.191 m
98.465 m98.150 m to 100.110 m98.426 m98.364 m
98.779 m98.153 m to 100.084 m98.431 m98.213 m
98.612 m98.155 m to 100.072 m98.431 m98.470 m
98.176 m98.156 m to 100.054 m98.429 m98.606 m
98.165 m98.156 m to 100.035 m98.424 m98.220 m
98.213 m98.158 m to 100.020 m98.424 m98.146 m
98.320 m98.158 m to 100.020 m98.424 m98.293 m
98.388 m98.156 m to 100.020 m98.422 m98.404 m
98.227 m98.156 m to 100.020 m98.415 m98.394 m
98.277 m98.156 m to 100.039 m98.417 m98.194 m
98.517 m98.156 m to 100.019 m98.414 m98.154 m
98.259 m98.158 m to 99.991 m98.413 m98.352 m
98.302 m98.156 m to 99.929 m98.415 m98.237 m
98.669 m98.156 m to 99.893 m98.421 m98.220 m
98.661 m98.159 m to 99.893 m98.422 m98.189 m
98.395 m98.158 m to 99.893 m98.418 m98.178 m
98.507 m98.158 m to 99.890 m98.410 m98.292 m
98.348 m98.160 m to 99.854 m98.402 m98.125 m
98.387 m98.162 m to 99.883 m98.402 m98.174 m
98.378 m98.161 m to 99.889 m98.402 m98.290 m
98.346 m98.165 m to 99.880 m98.407 m98.248 m
98.429 m98.167 m to 99.880 m98.412 m98.268 m
98.501 m98.165 m to 99.889 m98.407 m98.143 m
98.460 m98.159 m to 99.880 m98.409 m98.196 m
98.288 m98.159 m to 99.857 m98.406 m98.132 m
98.453 m98.162 m to 99.854 m98.406 m98.225 m
98.569 m98.159 m to 99.854 m98.412 m98.132 m
98.630 m98.158 m to 99.835 m98.403 m98.192 m
98.339 m98.156 m to 99.835 m98.401 m98.289 m
98.335 m98.155 m to 99.821 m98.383 m98.100 m
98.250 m98.154 m to 99.806 m98.382 m98.313 m
98.243 m98.154 m to 99.801 m98.382 m98.136 m
98.230 m98.152 m to 99.806 m98.382 m98.163 m
98.609 m98.152 m to 99.801 m98.381 m98.185 m
98.683 m98.150 m to 99.815 m98.382 m98.308 m
98.399 m98.147 m to 99.806 m98.378 m98.335 m
98.234 m98.147 m to 99.794 m98.373 m98.203 m
98.344 m98.146 m to 99.753 m98.369 m98.413 m
98.147 m98.146 m to 99.749 m98.364 m98.279 m
98.268 m98.147 m to 99.749 m98.358 m98.209 m
98.311 m98.146 m to 99.725 m98.356 m98.294 m
98.266 m98.145 m to 99.725 m98.354 m98.130 m
no value98.144 m to 99.744 m98.355 m98.174 m
no value98.144 m to 99.744 m98.347 m98.234 m
no value98.144 m to 99.730 m98.354 m98.233 m
no value98.144 m to 99.667 m98.359 m98.210 m
98.245 m98.144 m to 99.645 m98.358 m98.366 m
98.271 m98.144 m to 99.644 m98.354 m98.081 m
98.273 m98.144 m to 99.663 m98.349 m98.131 m
98.176 m98.144 m to 99.674 m98.347 m98.152 m
98.326 m98.132 m to 99.684 m98.335 m98.372 m
98.276 m98.098 m to 99.702 m98.326 m98.203 m
98.212 m98.048 m to 99.684 m98.322 m98.149 m
98.142 m98.013 m to 99.653 m98.315 m98.125 m
98.235 m97.979 m to 99.629 m98.311 m98.227 m
98.582 m97.954 m to 99.634 m98.308 m98.251 m
98.550 m97.935 m to 99.629 m98.302 m98.198 m
98.194 m97.926 m to 99.625 m98.296 m97.948 m
98.145 m97.915 m to 99.618 m98.285 m98.034 m
98.114 m97.905 m to 99.636 m98.279 m98.051 m
97.990 m97.897 m to 99.714 m98.257 m98.051 m
98.046 m97.891 m to 99.714 m98.241 m98.010 m
97.844 m97.886 m to 99.736 m98.216 m97.886 m
97.944 m97.882 m to 99.714 m98.207 m97.988 m
97.889 m97.880 m to 99.703 m98.172 m97.982 m
97.928 m97.882 m to 99.714 m98.174 m97.856 m
97.999 m97.882 m to 99.703 m98.175 m98.006 m
97.972 m97.882 m to 99.703 m98.176 m98.007 m
97.976 m97.881 m to 99.717 m98.191 m98.076 m
98.056 m97.880 m to 99.765 m98.189 m98.064 m
98.072 m97.880 m to 99.765 m98.184 m98.260 m
98.061 m97.882 m to 99.777 m98.191 m98.133 m
98.170 m97.882 m to 99.777 m98.176 m97.933 m
98.203 m97.882 m to 99.784 m98.168 m97.925 m
97.981 m97.882 m to 99.750 m98.163 m98.028 m
98.050 m97.882 m to 99.744 m98.151 m98.037 m
The last 12 months, against the normal range for each day
The last 12 months, against the normal range for each day 96 m 98 m 100 m Lowest 95.878 m 98.050 m
  • Level
  • Below the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of the Niagara River at Ashland Ave from 4 October 2025 to 4 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
98.037 m97.882 m to 99.744 m98.151 m
97.980 m97.882 m to 99.744 m98.140 m
97.955 m97.882 m to 99.744 m98.133 m
98.060 m97.883 m to 99.785 m98.127 m
98.075 m97.884 m to 99.809 m98.130 m
97.881 m97.886 m to 99.817 m98.133 m
98.032 m97.886 m to 99.842 m98.136 m
98.043 m97.886 m to 99.863 m98.133 m
97.887 m97.887 m to 99.900 m98.126 m
98.007 m97.887 m to 99.900 m98.127 m
98.064 m97.887 m to 99.903 m98.125 m
97.905 m97.887 m to 99.900 m98.119 m
97.922 m97.887 m to 99.897 m98.116 m
97.916 m97.887 m to 99.903 m98.119 m
97.995 m97.887 m to 99.897 m98.119 m
98.546 m97.885 m to 99.865 m98.120 m
98.464 m97.887 m to 99.865 m98.120 m
98.116 m97.887 m to 99.845 m98.123 m
98.821 m97.887 m to 99.845 m98.112 m
98.080 m97.885 m to 99.794 m98.094 m
98.062 m97.884 m to 99.794 m98.080 m
98.000 m97.865 m to 99.787 m98.057 m
97.852 m97.754 m to 99.733 m98.034 m
97.850 m97.070 m to 99.708 m98.015 m
97.903 m96.784 m to 99.694 m97.999 m
98.018 m96.524 m to 99.681 m97.980 m
97.957 m96.488 m to 99.694 m97.967 m
98.058 m96.432 m to 99.729 m97.953 m
96.337 m96.372 m to 99.694 m97.940 m
96.448 m96.348 m to 99.694 m97.912 m
97.280 m96.316 m to 99.683 m97.884 m
97.003 m96.303 m to 99.674 m97.780 m
96.935 m96.289 m to 99.674 m97.609 m
96.732 m96.275 m to 99.698 m97.438 m
96.594 m96.254 m to 99.681 m97.291 m
96.629 m96.211 m to 99.671 m97.166 m
96.142 m96.211 m to 99.626 m97.196 m
96.205 m96.204 m to 99.626 m97.240 m
96.686 m96.192 m to 99.671 m97.241 m
97.053 m96.187 m to 99.725 m97.241 m
96.366 m96.187 m to 99.759 m97.241 m
96.170 m96.181 m to 99.751 m97.228 m
96.055 m96.179 m to 99.734 m97.209 m
96.305 m96.170 m to 99.738 m97.217 m
96.280 m96.168 m to 99.725 m97.245 m
96.060 m96.170 m to 99.713 m97.245 m
96.140 m96.170 m to 99.725 m97.249 m
95.979 m96.173 m to 99.740 m97.238 m
96.181 m96.182 m to 99.714 m97.248 m
96.127 m96.190 m to 99.714 m97.272 m
96.374 m96.206 m to 99.689 m97.289 m
96.154 m96.196 m to 99.675 m97.296 m
96.225 m96.201 m to 99.703 m97.289 m
97.695 m96.213 m to 99.689 m97.301 m
98.220 m96.213 m to 99.648 m97.301 m
97.193 m96.215 m to 99.615 m97.307 m
96.075 m96.222 m to 99.599 m97.307 m
97.175 m96.229 m to 99.599 m97.317 m
96.051 m96.224 m to 99.648 m97.320 m
96.002 m96.224 m to 99.689 m97.310 m
96.323 m96.218 m to 99.758 m97.320 m
96.155 m96.224 m to 99.719 m97.307 m
96.066 m96.223 m to 99.647 m97.307 m
96.194 m96.195 m to 99.640 m97.313 m
96.048 m96.187 m to 99.618 m97.294 m
96.054 m96.184 m to 99.627 m97.277 m
96.536 m96.184 m to 99.627 m97.255 m
96.331 m96.184 m to 99.569 m97.267 m
96.319 m96.184 m to 99.560 m97.244 m
96.147 m96.179 m to 99.560 m97.253 m
96.170 m96.176 m to 99.536 m97.254 m
96.179 m96.176 m to 99.532 m97.226 m
96.385 m96.176 m to 99.532 m97.262 m
96.098 m96.192 m to 99.505 m97.292 m
96.187 m96.198 m to 99.536 m97.298 m
96.096 m96.200 m to 99.536 m97.321 m
97.652 m96.200 m to 99.548 m97.359 m
96.241 m96.219 m to 99.536 m97.363 m
96.292 m96.242 m to 99.548 m97.372 m
96.033 m96.261 m to 99.563 m97.392 m
96.054 m96.262 m to 99.548 m97.399 m
95.951 m96.273 m to 99.532 m97.404 m
96.048 m96.291 m to 99.609 m97.415 m
96.015 m96.291 m to 99.620 m97.448 m
96.073 m96.292 m to 99.620 m97.464 m
96.149 m96.297 m to 99.673 m97.489 m
99.272 m96.297 m to 99.677 m97.502 m
97.701 m96.295 m to 99.708 m97.509 m
96.523 m96.295 m to 99.708 m97.509 m
96.580 m96.297 m to 99.636 m97.511 m
96.533 m96.302 m to 99.636 m97.513 m
96.303 m96.302 m to 99.708 m97.517 m
96.613 m96.304 m to 99.720 m97.520 m
96.186 m96.305 m to 99.753 m97.515 m
96.478 m96.309 m to 99.787 m97.517 m
96.309 m96.316 m to 99.811 m97.507 m
96.151 m96.322 m to 99.797 m97.498 m
96.835 m96.324 m to 99.785 m97.477 m
96.313 m96.332 m to 99.785 m97.458 m
97.179 m96.337 m to 99.813 m97.472 m
97.277 m96.341 m to 99.811 m97.445 m
96.154 m96.350 m to 99.789 m97.426 m
96.229 m96.371 m to 99.766 m97.420 m
96.412 m96.373 m to 99.776 m97.413 m
96.488 m96.384 m to 99.810 m97.386 m
96.920 m96.384 m to 99.810 m97.374 m
96.789 m96.375 m to 99.788 m97.366 m
97.390 m96.375 m to 99.776 m97.380 m
96.403 m96.377 m to 99.776 m97.390 m
96.252 m96.373 m to 99.751 m97.383 m
97.121 m96.370 m to 99.745 m97.387 m
96.664 m96.370 m to 99.773 m97.373 m
96.298 m96.377 m to 99.758 m97.371 m
96.139 m96.373 m to 99.734 m97.331 m
97.119 m96.370 m to 99.686 m97.281 m
97.204 m96.367 m to 99.664 m97.276 m
96.830 m96.369 m to 99.668 m97.264 m
97.506 m96.367 m to 99.654 m97.276 m
97.475 m96.368 m to 99.644 m97.275 m
97.589 m96.365 m to 99.611 m97.267 m
97.414 m96.366 m to 99.589 m97.257 m
97.198 m96.367 m to 99.521 m97.254 m
96.936 m96.378 m to 99.462 m97.240 m
96.984 m96.378 m to 99.417 m97.239 m
96.942 m96.379 m to 99.384 m97.243 m
96.979 m96.398 m to 99.325 m97.250 m
97.695 m96.405 m to 99.276 m97.263 m
98.242 m96.389 m to 99.278 m97.264 m
97.988 m96.396 m to 99.281 m97.263 m
97.177 m96.401 m to 99.263 m97.275 m
96.542 m96.401 m to 99.230 m97.274 m
96.698 m96.412 m to 99.203 m97.286 m
96.870 m96.421 m to 99.257 m97.274 m
96.278 m96.428 m to 99.293 m97.286 m
96.360 m96.432 m to 99.293 m97.285 m
96.400 m96.446 m to 99.329 m97.306 m
96.263 m96.428 m to 99.352 m97.319 m
96.321 m96.420 m to 99.352 m97.315 m
96.178 m96.425 m to 99.391 m97.306 m
96.743 m96.440 m to 99.427 m97.269 m
96.393 m96.433 m to 99.432 m97.267 m
96.219 m96.444 m to 99.638 m97.257 m
96.196 m96.440 m to 99.640 m97.251 m
96.175 m96.444 m to 99.668 m97.251 m
96.134 m96.433 m to 99.697 m97.240 m
96.092 m96.437 m to 99.711 m97.250 m
96.060 m96.429 m to 99.703 m97.245 m
96.315 m96.437 m to 99.709 m97.240 m
96.196 m96.430 m to 99.795 m97.238 m
96.211 m96.414 m to 99.824 m97.244 m
96.214 m96.402 m to 99.824 m97.274 m
96.024 m96.402 m to 99.799 m97.275 m
96.026 m96.401 m to 99.766 m97.284 m
96.084 m96.387 m to 99.766 m97.290 m
96.269 m96.378 m to 99.798 m97.297 m
96.686 m96.380 m to 99.798 m97.313 m
96.790 m96.377 m to 99.765 m97.325 m
96.276 m96.368 m to 99.752 m97.330 m
96.252 m96.373 m to 99.765 m97.337 m
96.556 m96.381 m to 99.765 m97.341 m
96.884 m96.383 m to 99.752 m97.357 m
96.650 m96.394 m to 99.736 m97.366 m
96.023 m96.390 m to 99.724 m97.398 m
96.573 m96.389 m to 99.724 m97.411 m
96.794 m96.401 m to 99.708 m97.421 m
96.095 m96.409 m to 99.697 m97.421 m
96.280 m96.402 m to 99.703 m97.426 m
96.052 m96.397 m to 99.685 m97.436 m
96.137 m96.395 m to 99.695 m97.451 m
96.192 m96.394 m to 99.695 m97.467 m
96.618 m96.393 m to 99.686 m97.462 m
96.526 m96.393 m to 99.714 m97.461 m
96.484 m96.403 m to 99.793 m97.609 m
96.366 m96.432 m to 99.866 m97.773 m
96.437 m96.451 m to 99.914 m97.934 m
96.517 m96.487 m to 99.973 m98.156 m
96.312 m96.509 m to 100.002 m98.221 m
96.357 m96.548 m to 100.108 m98.248 m
96.720 m96.593 m to 100.149 m98.289 m
98.281 m96.668 m to 100.152 m98.321 m
98.161 m96.788 m to 100.152 m98.358 m
98.566 m96.920 m to 100.160 m98.390 m
98.181 m97.075 m to 100.168 m98.416 m
98.642 m97.450 m to 100.165 m98.427 m
98.180 m98.105 m to 100.177 m98.469 m
98.360 m98.162 m to 100.206 m98.513 m
98.316 m98.189 m to 100.215 m98.562 m
98.582 m98.188 m to 100.215 m98.576 m
98.214 m98.189 m to 100.278 m98.578 m
98.326 m98.193 m to 100.293 m98.597 m
98.263 m98.193 m to 100.298 m98.576 m
98.705 m98.193 m to 100.298 m98.573 m
98.597 m98.194 m to 100.286 m98.589 m
98.574 m98.203 m to 100.293 m98.603 m
98.623 m98.206 m to 100.313 m98.617 m
98.815 m98.216 m to 100.367 m98.632 m
98.989 m98.218 m to 100.430 m98.642 m
98.829 m98.219 m to 100.452 m98.666 m
98.445 m98.220 m to 100.452 m98.681 m
98.951 m98.221 m to 100.449 m98.687 m
98.694 m98.221 m to 100.454 m98.685 m
98.278 m98.221 m to 100.454 m98.677 m
98.573 m98.225 m to 100.470 m98.676 m
98.502 m98.228 m to 100.473 m98.670 m
98.425 m98.233 m to 100.473 m98.670 m
99.070 m98.231 m to 100.473 m98.678 m
98.928 m98.231 m to 100.472 m98.676 m
98.687 m98.233 m to 100.458 m98.667 m
98.725 m98.234 m to 100.458 m98.676 m
98.558 m98.232 m to 100.476 m98.678 m
98.557 m98.228 m to 100.476 m98.677 m
98.958 m98.227 m to 100.476 m98.678 m
99.609 m98.227 m to 100.483 m98.677 m
99.172 m98.230 m to 100.489 m98.695 m
98.685 m98.231 m to 100.504 m98.716 m
98.536 m98.232 m to 100.504 m98.724 m
98.540 m98.232 m to 100.504 m98.739 m
98.796 m98.232 m to 100.494 m98.757 m
98.880 m98.230 m to 100.480 m98.765 m
98.635 m98.227 m to 100.440 m98.794 m
98.585 m98.227 m to 100.440 m98.796 m
99.069 m98.226 m to 100.485 m98.803 m
98.752 m98.223 m to 100.507 m98.803 m
98.565 m98.220 m to 100.507 m98.804 m
99.021 m98.219 m to 100.457 m98.805 m
98.854 m98.220 m to 100.448 m98.806 m
99.068 m98.220 m to 100.455 m98.806 m
98.931 m98.218 m to 100.457 m98.806 m
98.829 m98.217 m to 100.455 m98.803 m
98.556 m98.215 m to 100.447 m98.796 m
98.614 m98.214 m to 100.447 m98.784 m
98.762 m98.211 m to 100.447 m98.782 m
99.586 m98.210 m to 100.455 m98.781 m
99.561 m98.209 m to 100.455 m98.787 m
99.550 m98.209 m to 100.455 m98.810 m
99.234 m98.208 m to 100.443 m98.810 m
98.654 m98.207 m to 100.441 m98.789 m
98.826 m98.204 m to 100.441 m98.790 m
98.991 m98.199 m to 100.438 m98.790 m
98.950 m98.198 m to 100.438 m98.790 m
98.728 m98.192 m to 100.430 m98.797 m
98.626 m98.189 m to 100.411 m98.789 m
98.468 m98.189 m to 100.398 m98.774 m
98.777 m98.182 m to 100.398 m98.765 m
98.839 m98.180 m to 100.422 m98.765 m
98.765 m98.179 m to 100.398 m98.765 m
98.529 m98.177 m to 100.369 m98.761 m
98.590 m98.171 m to 100.351 m98.744 m
98.473 m98.170 m to 100.351 m98.723 m
98.469 m98.170 m to 100.340 m98.694 m
98.491 m98.168 m to 100.333 m98.691 m
98.585 m98.164 m to 100.294 m98.678 m
98.465 m98.161 m to 100.271 m98.670 m
98.400 m98.159 m to 100.206 m98.652 m
98.658 m98.156 m to 100.158 m98.637 m
98.474 m98.154 m to 100.128 m98.617 m
98.315 m98.154 m to 100.128 m98.598 m
98.543 m98.154 m to 100.128 m98.582 m
98.393 m98.153 m to 100.128 m98.563 m
98.407 m98.153 m to 100.128 m98.555 m
98.249 m98.152 m to 100.390 m98.561 m
98.230 m98.151 m to 100.388 m98.562 m
98.354 m98.152 m to 100.386 m98.551 m
98.310 m98.152 m to 100.387 m98.548 m
98.361 m98.152 m to 100.403 m98.548 m
98.452 m98.149 m to 100.406 m98.555 m
98.188 m98.149 m to 100.455 m98.555 m
98.086 m98.148 m to 100.455 m98.554 m
98.187 m98.146 m to 100.385 m98.552 m
98.035 m98.148 m to 100.363 m98.546 m
98.241 m98.148 m to 100.343 m98.550 m
98.312 m98.148 m to 100.320 m98.553 m
98.179 m98.146 m to 100.282 m98.553 m
98.193 m98.149 m to 100.269 m98.554 m
98.161 m98.149 m to 100.266 m98.546 m
98.324 m98.152 m to 100.245 m98.539 m
98.128 m98.152 m to 100.234 m98.529 m
98.264 m98.148 m to 100.224 m98.525 m
98.251 m98.146 m to 100.215 m98.525 m
98.235 m98.146 m to 100.168 m98.516 m
98.275 m98.148 m to 100.140 m98.497 m
98.167 m98.149 m to 100.124 m98.485 m
98.154 m98.152 m to 100.124 m98.476 m
98.215 m98.153 m to 100.124 m98.461 m
98.404 m98.152 m to 100.124 m98.451 m
98.402 m98.152 m to 100.122 m98.434 m
98.224 m98.152 m to 100.113 m98.431 m
98.238 m98.154 m to 100.115 m98.431 m
98.278 m98.152 m to 100.110 m98.436 m
98.222 m98.150 m to 100.116 m98.428 m
98.465 m98.150 m to 100.110 m98.426 m
98.779 m98.153 m to 100.084 m98.431 m
98.612 m98.155 m to 100.072 m98.431 m
98.176 m98.156 m to 100.054 m98.429 m
98.165 m98.156 m to 100.035 m98.424 m
98.213 m98.158 m to 100.020 m98.424 m
98.320 m98.158 m to 100.020 m98.424 m
98.388 m98.156 m to 100.020 m98.422 m
98.227 m98.156 m to 100.020 m98.415 m
98.277 m98.156 m to 100.039 m98.417 m
98.517 m98.156 m to 100.019 m98.414 m
98.259 m98.158 m to 99.991 m98.413 m
98.302 m98.156 m to 99.929 m98.415 m
98.669 m98.156 m to 99.893 m98.421 m
98.661 m98.159 m to 99.893 m98.422 m
98.395 m98.158 m to 99.893 m98.418 m
98.507 m98.158 m to 99.890 m98.410 m
98.348 m98.160 m to 99.854 m98.402 m
98.387 m98.162 m to 99.883 m98.402 m
98.378 m98.161 m to 99.889 m98.402 m
98.346 m98.165 m to 99.880 m98.407 m
98.429 m98.167 m to 99.880 m98.412 m
98.501 m98.165 m to 99.889 m98.407 m
98.460 m98.159 m to 99.880 m98.409 m
98.288 m98.159 m to 99.857 m98.406 m
98.453 m98.162 m to 99.854 m98.406 m
98.569 m98.159 m to 99.854 m98.412 m
98.630 m98.158 m to 99.835 m98.403 m
98.339 m98.156 m to 99.835 m98.401 m
98.335 m98.155 m to 99.821 m98.383 m
98.250 m98.154 m to 99.806 m98.382 m
98.243 m98.154 m to 99.801 m98.382 m
98.230 m98.152 m to 99.806 m98.382 m
98.609 m98.152 m to 99.801 m98.381 m
98.683 m98.150 m to 99.815 m98.382 m
98.399 m98.147 m to 99.806 m98.378 m
98.234 m98.147 m to 99.794 m98.373 m
98.344 m98.146 m to 99.753 m98.369 m
98.147 m98.146 m to 99.749 m98.364 m
98.268 m98.147 m to 99.749 m98.358 m
98.311 m98.146 m to 99.725 m98.356 m
98.266 m98.145 m to 99.725 m98.354 m
no value98.144 m to 99.744 m98.355 m
no value98.144 m to 99.744 m98.347 m
no value98.144 m to 99.730 m98.354 m
no value98.144 m to 99.667 m98.359 m
98.245 m98.144 m to 99.645 m98.358 m
98.271 m98.144 m to 99.644 m98.354 m
98.273 m98.144 m to 99.663 m98.349 m
98.176 m98.144 m to 99.674 m98.347 m
98.326 m98.132 m to 99.684 m98.335 m
98.276 m98.098 m to 99.702 m98.326 m
98.212 m98.048 m to 99.684 m98.322 m
98.142 m98.013 m to 99.653 m98.315 m
98.235 m97.979 m to 99.629 m98.311 m
98.582 m97.954 m to 99.634 m98.308 m
98.550 m97.935 m to 99.629 m98.302 m
98.194 m97.926 m to 99.625 m98.296 m
98.145 m97.915 m to 99.618 m98.285 m
98.114 m97.905 m to 99.636 m98.279 m
97.990 m97.897 m to 99.714 m98.257 m
98.046 m97.891 m to 99.714 m98.241 m
97.844 m97.886 m to 99.736 m98.216 m
97.944 m97.882 m to 99.714 m98.207 m
97.889 m97.880 m to 99.703 m98.172 m
97.928 m97.882 m to 99.714 m98.174 m
97.999 m97.882 m to 99.703 m98.175 m
97.972 m97.882 m to 99.703 m98.176 m
97.976 m97.881 m to 99.717 m98.191 m
98.056 m97.880 m to 99.765 m98.189 m
98.072 m97.880 m to 99.765 m98.184 m
98.061 m97.882 m to 99.777 m98.191 m
98.170 m97.882 m to 99.777 m98.176 m
98.203 m97.882 m to 99.784 m98.168 m
97.981 m97.882 m to 99.750 m98.163 m
98.050 m97.882 m to 99.744 m98.151 m
The last 10 years, weekly averages
The last 10 years, weekly averages 96 m 98 m 100 m Lowest 95.878 m 98.085 m
  • Level
  • Our record
Weekly averages of the Niagara River at Ashland Ave from the week of 3 October 2016 to 4 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
98.712 m
98.618 m
98.605 m
98.707 m
98.084 m
98.656 m
98.223 m
97.863 m
98.088 m
98.667 m
98.469 m
98.831 m
99.161 m
98.234 m
98.309 m
97.928 m
98.834 m
98.470 m
98.385 m
98.982 m
99.021 m
99.116 m
99.179 m
98.965 m
98.624 m
99.115 m
100.118 m
100.129 m
100.169 m
99.968 m
100.602 m
100.321 m
100.446 m
100.488 m
100.483 m
100.347 m
100.198 m
100.324 m
100.442 m
100.144 m
100.163 m
99.707 m
99.912 m
99.868 m
99.509 m
99.544 m
99.707 m
99.613 m
99.904 m
99.266 m
98.817 m
99.039 m
99.329 m
99.337 m
99.702 m
99.642 m
99.415 m
99.260 m
99.223 m
99.798 m
99.320 m
99.929 m
98.459 m
98.551 m
98.879 m
98.962 m
98.829 m
98.999 m
98.531 m
98.845 m
98.573 m
98.550 m
99.164 m
99.271 m
99.418 m
99.311 m
98.827 m
99.573 m
100.132 m
99.250 m
100.343 m
100.442 m
100.526 m
100.411 m
100.417 m
100.383 m
100.163 m
100.336 m
99.881 m
99.967 m
99.902 m
99.838 m
99.304 m
99.436 m
99.222 m
99.225 m
99.182 m
99.235 m
99.670 m
99.284 m
98.928 m
99.013 m
99.459 m
99.584 m
99.362 m
99.717 m
100.177 m
99.061 m
98.925 m
99.714 m
98.872 m
98.986 m
99.437 m
99.025 m
98.243 m
98.720 m
99.107 m
99.319 m
98.897 m
98.296 m
99.632 m
99.068 m
99.067 m
98.979 m
98.785 m
98.576 m
98.700 m
99.317 m
99.064 m
99.415 m
99.737 m
100.001 m
100.550 m
100.630 m
100.745 m
100.915 m
100.853 m
101.010 m
100.622 m
101.065 m
101.245 m
101.036 m
101.170 m
100.526 m
100.398 m
100.397 m
100.250 m
100.517 m
100.446 m
100.356 m
100.256 m
100.313 m
100.132 m
100.099 m
100.075 m
100.043 m
100.051 m
100.179 m
100.165 m
100.310 m
100.428 m
100.321 m
99.540 m
100.213 m
99.778 m
99.708 m
99.977 m
99.281 m
99.089 m
100.280 m
100.102 m
100.123 m
100.359 m
100.181 m
100.075 m
100.418 m
100.808 m
100.889 m
100.562 m
100.450 m
100.041 m
100.432 m
101.112 m
101.400 m
101.465 m
100.946 m
101.517 m
101.034 m
100.844 m
100.868 m
101.084 m
101.230 m
101.012 m
100.425 m
100.930 m
100.244 m
100.202 m
100.626 m
100.289 m
100.172 m
100.182 m
100.015 m
99.948 m
99.915 m
100.018 m
99.800 m
99.794 m
99.659 m
99.995 m
100.066 m
100.175 m
99.819 m
100.112 m
100.085 m
99.854 m
100.148 m
99.640 m
100.201 m
99.737 m
99.202 m
100.090 m
99.859 m
99.409 m
99.981 m
100.255 m
99.046 m
99.959 m
98.472 m
98.666 m
99.657 m
99.710 m
99.441 m
98.262 m
99.636 m
100.009 m
99.802 m
100.029 m
100.003 m
100.132 m
99.882 m
99.904 m
99.669 m
99.468 m
99.369 m
99.060 m
99.621 m
99.612 m
99.400 m
99.612 m
99.537 m
100.156 m
100.028 m
99.516 m
99.624 m
99.402 m
99.357 m
99.353 m
99.724 m
99.675 m
100.219 m
99.809 m
99.228 m
99.953 m
99.804 m
99.684 m
99.738 m
99.141 m
100.159 m
99.182 m
99.124 m
99.281 m
98.977 m
99.347 m
98.561 m
99.810 m
99.182 m
99.389 m
98.810 m
98.502 m
98.720 m
98.849 m
98.801 m
98.683 m
98.650 m
98.372 m
98.929 m
99.420 m
99.319 m
100.015 m
100.048 m
100.505 m
100.328 m
99.729 m
100.106 m
99.865 m
99.902 m
99.775 m
99.815 m
99.282 m
99.419 m
99.141 m
98.904 m
99.387 m
99.246 m
98.857 m
98.798 m
98.568 m
98.532 m
99.021 m
98.550 m
99.007 m
99.266 m
98.922 m
98.554 m
98.753 m
99.032 m
98.490 m
98.078 m
98.201 m
98.590 m
98.185 m
98.180 m
96.812 m
97.243 m
98.473 m
97.793 m
96.960 m
97.021 m
98.003 m
98.502 m
98.395 m
98.331 m
98.455 m
97.632 m
98.488 m
98.809 m
99.428 m
99.687 m
98.937 m
99.316 m
99.682 m
99.946 m
99.491 m
99.996 m
99.552 m
99.765 m
98.938 m
98.946 m
99.105 m
99.440 m
98.605 m
98.432 m
98.435 m
98.552 m
98.461 m
98.524 m
98.462 m
98.488 m
99.408 m
98.595 m
98.597 m
98.471 m
98.497 m
98.603 m
98.636 m
99.053 m
98.790 m
98.864 m
98.756 m
98.132 m
97.587 m
97.992 m
97.774 m
98.074 m
97.469 m
97.239 m
97.016 m
96.741 m
96.671 m
98.290 m
97.807 m
97.120 m
97.774 m
97.441 m
98.521 m
97.192 m
97.730 m
98.053 m
97.984 m
97.592 m
97.237 m
98.710 m
99.364 m
99.384 m
99.279 m
98.880 m
98.789 m
98.605 m
98.725 m
99.221 m
98.942 m
98.811 m
98.632 m
98.884 m
98.559 m
98.565 m
98.607 m
98.494 m
98.389 m
98.573 m
98.405 m
98.561 m
98.275 m
98.490 m
98.350 m
98.064 m
98.238 m
98.117 m
98.139 m
98.048 m
98.048 m
97.892 m
97.080 m
96.712 m
96.926 m
97.534 m
97.297 m
96.840 m
96.565 m
96.424 m
97.670 m
96.425 m
97.393 m
97.087 m
97.470 m
96.851 m
96.862 m
96.622 m
96.467 m
96.826 m
96.863 m
97.014 m
96.723 m
98.207 m
98.647 m
98.962 m
99.031 m
98.997 m
99.099 m
99.033 m
99.073 m
99.019 m
98.677 m
98.390 m
98.407 m
98.247 m
98.331 m
98.237 m
98.213 m
98.330 m
98.279 m
98.214 m
98.184 m
98.213 m
98.266 m
98.204 m
98.211 m
98.025 m
97.997 m
98.042 m
97.990 m
98.051 m
98.199 m
97.510 m
96.759 m
96.406 m
96.163 m
96.962 m
96.120 m
96.248 m
96.422 m
96.046 m
97.075 m
96.493 m
96.610 m
96.610 m
97.305 m
97.282 m
96.845 m
96.360 m
96.167 m
96.216 m
96.490 m
96.303 m
96.466 m
97.844 m
98.320 m
98.733 m
98.553 m
98.783 m
98.888 m
98.783 m
98.907 m
99.109 m
98.676 m
98.496 m
98.434 m
98.283 m
98.187 m
98.235 m
98.274 m
98.376 m
98.327 m
98.478 m
98.435 m
98.377 m
98.341 m
no value
98.234 m
98.232 m
97.936 m
98.085 m
The whole record since 1957, monthly averages
The whole record since 1957, monthly averages 96 m 98 m 100 m 102 m Lowest 95.878 m 98.135 m
  • Level
  • Our record
Monthly averages of the Niagara River at Ashland Ave from 17 June 1957 to 4 October 2026.
Table: The whole record since 1957, monthly averages
Month startingMonthly average (m)
no value
101.849 m
101.438 m
101.312 m
100.863 m
101.106 m
101.101 m
100.942 m
100.300 m
100.421 m
100.559 m
100.585 m
100.607 m
100.701 m
100.765 m
100.697 m
100.450 m
100.480 m
100.168 m
99.833 m
100.059 m
100.626 m
100.967 m
101.230 m
101.224 m
100.818 m
100.536 m
100.320 m
100.509 m
100.738 m
100.711 m
101.162 m
101.030 m
100.759 m
101.232 m
101.758 m
101.941 m
101.815 m
101.533 m
101.479 m
101.292 m
101.454 m
101.175 m
100.467 m
100.196 m
100.356 m
100.727 m
101.179 m
100.744 m
100.036 m
99.747 m
99.415 m
98.882 m
97.487 m
97.449 m
97.434 m
97.013 m
97.065 m
98.406 m
98.326 m
98.244 m
98.257 m
98.237 m
98.131 m
97.996 m
96.568 m
96.904 m
97.055 m
96.625 m
96.744 m
98.214 m
98.221 m
98.203 m
98.198 m
98.198 m
98.069 m
97.970 m
96.538 m
96.569 m
97.104 m
96.532 m
96.606 m
98.242 m
98.267 m
98.211 m
98.193 m
98.196 m
98.074 m
97.944 m
96.376 m
96.307 m
96.379 m
96.470 m
96.354 m
98.192 m
98.203 m
98.170 m
98.152 m
98.148 m
98.011 m
97.896 m
96.426 m
96.302 m
96.400 m
96.358 m
96.397 m
98.198 m
98.206 m
98.188 m
98.160 m
98.153 m
98.017 m
97.886 m
96.464 m
96.571 m
96.477 m
96.712 m
96.398 m
98.196 m
98.194 m
98.152 m
98.161 m
98.148 m
98.014 m
97.933 m
96.695 m
96.699 m
96.783 m
97.510 m
96.734 m
98.300 m
98.344 m
98.349 m
98.309 m
98.281 m
98.125 m
98.028 m
97.086 m
97.320 m
97.149 m
97.193 m
97.118 m
98.473 m
99.025 m
99.160 m
98.557 m
98.473 m
98.209 m
98.143 m
97.373 m
97.395 m
97.123 m
96.837 m
96.892 m
98.371 m
98.371 m
98.315 m
98.320 m
98.284 m
98.197 m
98.025 m
97.408 m
97.616 m
97.696 m
97.344 m
97.612 m
98.363 m
98.413 m
98.594 m
98.341 m
98.357 m
98.188 m
98.081 m
97.202 m
97.398 m
97.665 m
97.301 m
97.663 m
98.600 m
98.926 m
99.006 m
99.018 m
98.863 m
98.728 m
98.833 m
98.583 m
99.009 m
99.247 m
98.625 m
98.781 m
99.792 m
99.736 m
99.796 m
99.723 m
99.478 m
99.055 m
98.787 m
98.336 m
98.180 m
98.299 m
98.381 m
98.817 m
100.025 m
99.825 m
99.624 m
99.348 m
98.828 m
98.506 m
98.288 m
97.631 m
97.977 m
98.296 m
98.451 m
98.306 m
99.134 m
99.164 m
99.304 m
98.917 m
98.769 m
99.021 m
98.622 m
98.036 m
97.879 m
98.042 m
97.985 m
98.796 m
99.564 m
99.411 m
99.137 m
99.084 m
98.823 m
98.685 m
98.480 m
97.765 m
97.160 m
97.383 m
96.891 m
97.004 m
98.398 m
98.739 m
98.525 m
98.334 m
98.302 m
98.468 m
98.262 m
97.289 m
97.818 m
97.599 m
96.761 m
96.995 m
98.591 m
98.730 m
98.812 m
98.338 m
98.292 m
98.110 m
97.998 m
96.669 m
97.033 m
97.219 m
96.920 m
97.024 m
98.605 m
98.720 m
98.795 m
98.476 m
98.580 m
98.498 m
98.461 m
97.539 m
97.745 m
97.914 m
97.375 m
97.760 m
99.137 m
99.103 m
99.171 m
98.784 m
99.054 m
98.978 m
98.633 m
97.203 m
97.298 m
96.759 m
97.023 m
97.096 m
98.325 m
98.412 m
98.681 m
98.405 m
98.909 m
98.568 m
98.470 m
97.609 m
97.587 m
no value
97.131 m
97.613 m
98.861 m
98.750 m
98.934 m
98.404 m
98.364 m
98.120 m
98.030 m
97.186 m
97.596 m
97.585 m
97.140 m
97.284 m
98.497 m
98.999 m
98.633 m
98.844 m
99.076 m
98.600 m
98.265 m
97.719 m
98.392 m
97.272 m
97.357 m
97.948 m
98.790 m
98.786 m
98.796 m
98.661 m
98.676 m
98.541 m
98.192 m
97.526 m
97.506 m
98.067 m
97.075 m
98.207 m
99.772 m
99.517 m
99.403 m
98.884 m
98.793 m
98.578 m
98.322 m
98.275 m
99.220 m
97.907 m
97.905 m
99.058 m
99.388 m
99.666 m
99.761 m
99.694 m
99.373 m
98.959 m
99.265 m
98.486 m
98.947 m
98.978 m
98.352 m
98.198 m
99.288 m
98.932 m
98.833 m
98.990 m
98.597 m
98.437 m
98.199 m
96.802 m
97.289 m
97.086 m
97.138 m
96.909 m
98.400 m
98.308 m
98.245 m
98.187 m
98.243 m
98.052 m
97.992 m
96.539 m
96.440 m
96.559 m
96.677 m
96.260 m
98.264 m
98.276 m
98.266 m
98.262 m
98.252 m
98.135 m
97.977 m
96.740 m
96.454 m
96.436 m
96.753 m
96.840 m
98.360 m
98.374 m
98.277 m
98.192 m
98.256 m
98.226 m
98.110 m
96.763 m
97.041 m
97.819 m
97.502 m
97.313 m
98.453 m
98.351 m
98.120 m
98.127 m
98.126 m
97.997 m
97.857 m
96.321 m
96.494 m
96.663 m
96.493 m
97.000 m
98.272 m
98.229 m
98.164 m
98.219 m
98.329 m
98.329 m
98.106 m
97.583 m
97.825 m
98.456 m
98.118 m
97.936 m
99.092 m
99.048 m
98.615 m
98.700 m
98.358 m
98.235 m
98.079 m
96.692 m
96.606 m
97.106 m
97.184 m
97.164 m
98.361 m
98.678 m
98.328 m
98.550 m
98.497 m
98.398 m
97.990 m
97.254 m
96.772 m
97.460 m
97.165 m
97.029 m
98.359 m
98.348 m
98.199 m
98.280 m
98.213 m
98.068 m
98.046 m
96.732 m
96.900 m
no value
no value
no value
no value
no value
no value
no value
no value
98.491 m
98.321 m
97.534 m
98.096 m
98.747 m
98.170 m
99.098 m
100.023 m
99.907 m
99.802 m
99.804 m
99.368 m
99.003 m
98.626 m
97.890 m
98.110 m
98.464 m
98.398 m
98.869 m
99.675 m
99.457 m
99.163 m
99.093 m
98.681 m
98.292 m
98.092 m
96.657 m
96.542 m
96.926 m
96.766 m
97.022 m
98.300 m
98.342 m
98.189 m
98.235 m
98.213 m
98.075 m
97.977 m
96.513 m
96.525 m
96.427 m
96.533 m
96.478 m
98.326 m
98.353 m
98.389 m
98.383 m
98.346 m
98.129 m
97.957 m
96.608 m
96.741 m
96.504 m
96.708 m
96.706 m
98.317 m
98.303 m
98.196 m
98.183 m
98.210 m
98.068 m
98.021 m
96.288 m
96.885 m
96.902 m
97.342 m
97.242 m
98.487 m
98.745 m
98.516 m
98.290 m
98.243 m
98.067 m
98.038 m
96.475 m
96.517 m
96.915 m
96.644 m
96.328 m
98.283 m
98.445 m
98.269 m
98.273 m
98.171 m
98.241 m
98.039 m
96.645 m
96.763 m
97.196 m
96.516 m
96.473 m
98.340 m
98.575 m
98.597 m
98.426 m
98.469 m
98.239 m
98.077 m
96.499 m
96.710 m
97.341 m
97.465 m
97.442 m
98.567 m
98.453 m
98.376 m
98.246 m
98.222 m
98.122 m
97.992 m
96.638 m
96.403 m
96.540 m
97.178 m
96.933 m
98.391 m
98.300 m
98.237 m
98.338 m
98.236 m
98.161 m
98.280 m
96.540 m
97.584 m
97.866 m
97.521 m
97.502 m
98.647 m
98.517 m
98.253 m
98.187 m
98.223 m
98.109 m
97.964 m
96.320 m
96.612 m
96.935 m
97.819 m
97.590 m
98.648 m
98.688 m
98.284 m
98.416 m
98.313 m
98.170 m
98.057 m
96.377 m
97.096 m
97.074 m
97.368 m
97.801 m
98.943 m
98.809 m
98.584 m
98.691 m
98.504 m
98.381 m
98.208 m
96.688 m
96.922 m
96.979 m
96.471 m
96.397 m
98.183 m
98.147 m
98.217 m
98.123 m
98.115 m
97.961 m
97.908 m
96.242 m
96.313 m
96.651 m
96.447 m
96.827 m
98.508 m
98.678 m
98.731 m
98.295 m
98.370 m
98.088 m
98.191 m
97.223 m
98.246 m
98.523 m
98.073 m
98.062 m
98.459 m
98.243 m
98.170 m
98.047 m
98.025 m
97.938 m
97.931 m
96.533 m
96.195 m
96.700 m
96.940 m
96.563 m
98.317 m
98.307 m
98.251 m
98.178 m
98.159 m
98.121 m
98.172 m
97.685 m
96.927 m
97.153 m
96.655 m
96.745 m
98.417 m
99.155 m
98.793 m
98.512 m
98.369 m
98.692 m
98.948 m
98.428 m
98.090 m
97.656 m
97.333 m
97.267 m
98.990 m
98.972 m
99.377 m
99.295 m
99.142 m
98.670 m
98.588 m
98.703 m
98.213 m
98.596 m
98.646 m
99.361 m
99.749 m
99.686 m
99.248 m
99.001 m
98.707 m
98.675 m
98.641 m
98.152 m
98.725 m
98.308 m
98.792 m
98.942 m
100.089 m
100.474 m
100.334 m
99.999 m
99.643 m
99.300 m
99.569 m
99.349 m
98.970 m
98.818 m
98.827 m
99.259 m
100.069 m
100.398 m
100.040 m
99.457 m
99.347 m
99.222 m
99.557 m
99.159 m
98.814 m
99.067 m
98.937 m
99.020 m
100.258 m
100.842 m
101.108 m
100.399 m
100.383 m
100.075 m
100.183 m
100.087 m
99.569 m
100.159 m
100.565 m
100.417 m
101.239 m
101.034 m
100.859 m
100.316 m
100.029 m
99.824 m
100.002 m
99.956 m
99.882 m
99.635 m
99.188 m
99.317 m
99.977 m
99.778 m
99.380 m
99.801 m
99.486 m
99.798 m
99.655 m
99.552 m
99.070 m
99.216 m
98.714 m
98.736 m
99.926 m
100.023 m
99.647 m
99.187 m
98.759 m
98.947 m
98.670 m
98.246 m
97.678 m
97.601 m
98.289 m
99.035 m
99.635 m
99.523 m
98.918 m
98.485 m
98.723 m
98.553 m
98.852 m
97.937 m
97.118 m
97.525 m
97.769 m
97.656 m
99.171 m
98.824 m
98.830 m
98.545 m
98.447 m
98.277 m
98.110 m
97.088 m
96.885 m
97.151 m
96.745 m
96.828 m
98.821 m
99.042 m
98.450 m
98.275 m
98.224 m
98.115 m
98.044 m
96.561 m
96.366 m
96.701 m
96.707 m
96.374 m
98.549 m
98.899 m
98.448 m
98.291 m
98.395 m
98.135 m
no value

4 October in the last 10 years

DayLevel
98.037 m
97.909 m
98.612 m
98.519 m
99.71 m
99.719 m
100.30 m
99.811 m
99.533 m
98.655 m

Year by year

YearDays with a valueDays below the normal range
to 27547
36564
36611
3652
3650
3650
3660
3650
3650
3650
3660
3630
36533
365112
366174
36562
365211
36514
36633
36570
36563
35935
36646
36077
36542
36573
36652
36538
3654
3650
1220
36533
36536
36518
36675
365149
36546
36579
36638
3658
3650
3652
3661
3655
34715
35117
3641
3645
3658
3657
3660
3651
3651
3650
3660
3650
3653
36518
36611
365168
365177
365185
36623
36529
3650
3650
3660
3650
3650
1980

Records

  • Highest daily average in our series since 17 June 1957: 103.688 m on 9 November 1957.
  • Lowest daily average in our series since 17 June 1957: 95.878 m on 27 November 2012.

See also