World Water Levels

normal for the date

Lake Superior at Grand Marais: history

On Lake Superior at Grand Marais averaged 183.428 m above IGLD 1985.

That is within the normal range for the date. The normal range for 4 October is 183.25 m to 183.77 m: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 60 years between 1966 and 2025.

The last 90 days, against the normal range for each day
The last 90 days, against the normal range for each day 183.25 m 183.50 m 183.75 m 184.00 m Highest 183.97 m 183.428 m
  • Level
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of Lake Superior at Grand Marais 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
183.495 m183.313 m to 183.720 m183.520 m183.427 m
183.489 m183.313 m to 183.720 m183.520 m183.427 m
183.498 m183.314 m to 183.722 m183.521 m183.418 m
183.493 m183.315 m to 183.725 m183.522 m183.432 m
183.500 m183.315 m to 183.727 m183.520 m183.434 m
183.506 m183.315 m to 183.728 m183.524 m183.435 m
183.495 m183.315 m to 183.731 m183.529 m183.436 m
183.491 m183.315 m to 183.732 m183.533 m183.430 m
183.487 m183.315 m to 183.733 m183.535 m183.457 m
183.494 m183.315 m to 183.732 m183.534 m183.461 m
183.510 m183.316 m to 183.733 m183.534 m183.458 m
183.497 m183.317 m to 183.733 m183.535 m183.469 m
183.522 m183.317 m to 183.735 m183.534 m183.464 m
183.522 m183.318 m to 183.735 m183.535 m183.461 m
183.489 m183.318 m to 183.736 m183.536 m183.480 m
183.507 m183.321 m to 183.737 m183.536 m183.483 m
183.517 m183.321 m to 183.738 m183.537 m183.493 m
183.532 m183.319 m to 183.740 m183.537 m183.500 m
183.527 m183.321 m to 183.741 m183.538 m183.513 m
183.529 m183.319 m to 183.743 m183.540 m183.519 m
183.528 m183.319 m to 183.744 m183.544 m183.516 m
183.521 m183.319 m to 183.748 m183.543 m183.503 m
183.528 m183.323 m to 183.754 m183.543 m183.507 m
183.528 m183.323 m to 183.757 m183.544 m183.504 m
183.531 m183.322 m to 183.759 m183.544 m183.506 m
183.524 m183.323 m to 183.761 m183.543 m183.499 m
183.523 m183.320 m to 183.763 m183.543 m183.499 m
183.542 m183.322 m to 183.765 m183.544 m183.502 m
183.528 m183.322 m to 183.766 m183.545 m183.507 m
183.534 m183.322 m to 183.770 m183.545 m183.519 m
183.535 m183.322 m to 183.774 m183.546 m183.530 m
183.531 m183.322 m to 183.776 m183.547 m183.530 m
183.531 m183.320 m to 183.780 m183.547 m183.533 m
183.537 m183.318 m to 183.781 m183.547 m183.552 m
183.534 m183.319 m to 183.786 m183.545 m183.551 m
183.530 m183.319 m to 183.786 m183.548 m183.534 m
183.526 m183.317 m to 183.788 m183.548 m183.528 m
183.526 m183.318 m to 183.789 m183.548 m183.524 m
183.529 m183.318 m to 183.795 m183.548 m183.549 m
183.539 m183.318 m to 183.795 m183.547 m183.545 m
183.525 m183.313 m to 183.796 m183.547 m183.530 m
183.525 m183.310 m to 183.796 m183.547 m183.541 m
183.513 m183.309 m to 183.798 m183.547 m183.560 m
183.522 m183.307 m to 183.800 m183.547 m183.533 m
183.533 m183.306 m to 183.801 m183.547 m183.528 m
183.528 m183.305 m to 183.802 m183.547 m183.536 m
183.505 m183.304 m to 183.802 m183.547 m183.542 m
183.496 m183.305 m to 183.803 m183.547 m183.519 m
183.502 m183.305 m to 183.803 m183.547 m183.499 m
183.530 m183.304 m to 183.803 m183.547 m183.497 m
183.524 m183.304 m to 183.804 m183.547 m183.518 m
183.528 m183.304 m to 183.804 m183.547 m183.513 m
183.535 m183.303 m to 183.805 m183.546 m183.518 m
183.539 m183.303 m to 183.800 m183.546 m183.520 m
183.546 m183.303 m to 183.801 m183.546 m183.513 m
183.565 m183.302 m to 183.797 m183.546 m183.517 m
no value183.300 m to 183.797 m183.544 m183.504 m
no value183.299 m to 183.796 m183.543 m183.504 m
no value183.300 m to 183.796 m183.540 m183.465 m
183.563 m183.300 m to 183.796 m183.540 m183.484 m
183.540 m183.300 m to 183.795 m183.538 m183.461 m
183.549 m183.300 m to 183.794 m183.538 m183.477 m
183.550 m183.299 m to 183.794 m183.537 m183.475 m
183.562 m183.295 m to 183.794 m183.537 m183.500 m
183.502 m183.290 m to 183.795 m183.537 m183.520 m
183.514 m183.288 m to 183.792 m183.537 m183.511 m
183.523 m183.290 m to 183.791 m183.536 m183.515 m
183.500 m183.288 m to 183.792 m183.538 m183.522 m
183.487 m183.288 m to 183.793 m183.540 m183.518 m
183.525 m183.288 m to 183.793 m183.540 m183.529 m
183.506 m183.288 m to 183.794 m183.540 m183.538 m
183.514 m183.287 m to 183.794 m183.541 m183.539 m
183.513 m183.284 m to 183.794 m183.541 m183.520 m
183.515 m183.282 m to 183.794 m183.542 m183.523 m
183.503 m183.281 m to 183.794 m183.544 m183.546 m
183.491 m183.277 m to 183.794 m183.544 m183.559 m
183.492 m183.276 m to 183.793 m183.542 m183.545 m
183.493 m183.276 m to 183.793 m183.545 m183.533 m
183.495 m183.268 m to 183.792 m183.545 m183.524 m
183.492 m183.265 m to 183.791 m183.545 m183.525 m
183.485 m183.262 m to 183.791 m183.545 m183.524 m
183.497 m183.257 m to 183.788 m183.544 m183.524 m
183.488 m183.255 m to 183.786 m183.542 m183.518 m
183.486 m183.254 m to 183.782 m183.541 m183.510 m
183.505 m183.256 m to 183.780 m183.541 m183.516 m
183.491 m183.254 m to 183.777 m183.542 m183.537 m
183.460 m183.254 m to 183.775 m183.542 m183.544 m
183.450 m183.254 m to 183.772 m183.542 m183.535 m
183.486 m183.254 m to 183.772 m183.542 m183.517 m
183.428 m183.254 m to 183.772 m183.542 m183.532 m
The last 12 months, against the normal range for each day
The last 12 months, against the normal range for each day 183.0 m 183.5 m 184.0 m Highest 183.97 m Lowest 182.75 m 183.428 m
  • Level
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of Lake Superior at Grand Marais 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
183.532 m183.254 m to 183.772 m183.542 m
183.527 m183.254 m to 183.772 m183.540 m
183.483 m183.253 m to 183.777 m183.540 m
183.465 m183.253 m to 183.777 m183.541 m
183.477 m183.253 m to 183.777 m183.540 m
183.492 m183.253 m to 183.778 m183.538 m
183.450 m183.253 m to 183.782 m183.537 m
183.484 m183.253 m to 183.782 m183.535 m
183.503 m183.253 m to 183.782 m183.530 m
183.456 m183.253 m to 183.782 m183.525 m
183.458 m183.253 m to 183.784 m183.523 m
183.453 m183.253 m to 183.788 m183.520 m
183.478 m183.250 m to 183.789 m183.521 m
183.478 m183.250 m to 183.788 m183.519 m
183.474 m183.250 m to 183.787 m183.516 m
183.435 m183.252 m to 183.785 m183.514 m
183.503 m183.245 m to 183.784 m183.514 m
183.474 m183.245 m to 183.783 m183.513 m
183.456 m183.245 m to 183.775 m183.512 m
183.452 m183.246 m to 183.775 m183.512 m
183.476 m183.245 m to 183.772 m183.513 m
183.493 m183.245 m to 183.766 m183.512 m
183.491 m183.241 m to 183.764 m183.514 m
183.493 m183.240 m to 183.763 m183.510 m
183.482 m183.240 m to 183.763 m183.507 m
183.462 m183.240 m to 183.761 m183.507 m
183.448 m183.238 m to 183.761 m183.505 m
183.446 m183.233 m to 183.758 m183.503 m
183.435 m183.231 m to 183.759 m183.501 m
183.423 m183.224 m to 183.758 m183.500 m
183.377 m183.221 m to 183.754 m183.494 m
183.409 m183.221 m to 183.753 m183.489 m
183.380 m183.219 m to 183.752 m183.489 m
183.425 m183.216 m to 183.751 m183.485 m
183.394 m183.215 m to 183.751 m183.482 m
183.392 m183.214 m to 183.748 m183.482 m
183.388 m183.211 m to 183.746 m183.480 m
183.382 m183.209 m to 183.746 m183.478 m
183.390 m183.209 m to 183.745 m183.477 m
183.347 m183.209 m to 183.742 m183.475 m
183.362 m183.209 m to 183.737 m183.474 m
183.420 m183.208 m to 183.734 m183.472 m
183.351 m183.207 m to 183.734 m183.471 m
183.336 m183.205 m to 183.732 m183.470 m
183.351 m183.205 m to 183.732 m183.469 m
183.358 m183.202 m to 183.732 m183.466 m
183.368 m183.202 m to 183.732 m183.466 m
183.345 m183.201 m to 183.732 m183.464 m
183.336 m183.199 m to 183.731 m183.461 m
183.353 m183.201 m to 183.731 m183.459 m
183.334 m183.200 m to 183.731 m183.457 m
183.353 m183.199 m to 183.730 m183.454 m
183.361 m183.199 m to 183.729 m183.454 m
183.312 m183.195 m to 183.721 m183.452 m
183.297 m183.195 m to 183.718 m183.450 m
183.316 m183.184 m to 183.717 m183.451 m
no value183.184 m to 183.715 m183.452 m
183.332 m183.184 m to 183.710 m183.445 m
183.331 m183.184 m to 183.701 m183.446 m
183.343 m183.180 m to 183.697 m183.446 m
183.283 m183.176 m to 183.696 m183.445 m
183.316 m183.172 m to 183.695 m183.443 m
183.311 m183.172 m to 183.690 m183.442 m
183.295 m183.169 m to 183.687 m183.441 m
183.295 m183.163 m to 183.683 m183.440 m
183.323 m183.157 m to 183.681 m183.440 m
183.310 m183.152 m to 183.678 m183.439 m
183.280 m183.144 m to 183.677 m183.437 m
183.297 m183.144 m to 183.676 m183.433 m
183.264 m183.145 m to 183.672 m183.422 m
183.243 m183.147 m to 183.671 m183.421 m
183.274 m183.145 m to 183.669 m183.415 m
183.271 m183.142 m to 183.668 m183.411 m
183.281 m183.142 m to 183.667 m183.407 m
183.269 m183.138 m to 183.667 m183.406 m
183.303 m183.138 m to 183.665 m183.404 m
183.284 m183.138 m to 183.663 m183.402 m
183.230 m183.138 m to 183.660 m183.399 m
183.284 m183.138 m to 183.659 m183.398 m
183.302 m183.138 m to 183.655 m183.397 m
183.248 m183.138 m to 183.653 m183.397 m
183.273 m183.138 m to 183.648 m183.396 m
183.307 m183.135 m to 183.644 m183.401 m
183.279 m183.135 m to 183.641 m183.399 m
183.299 m183.128 m to 183.641 m183.396 m
183.278 m183.123 m to 183.640 m183.393 m
183.209 m183.123 m to 183.637 m183.390 m
183.251 m183.122 m to 183.635 m183.385 m
183.213 m183.119 m to 183.631 m183.380 m
183.198 m183.118 m to 183.631 m183.380 m
183.206 m183.116 m to 183.631 m183.376 m
183.233 m183.114 m to 183.630 m183.370 m
183.276 m183.113 m to 183.626 m183.369 m
183.264 m183.111 m to 183.624 m183.370 m
183.255 m183.110 m to 183.621 m183.368 m
183.264 m183.107 m to 183.618 m183.366 m
183.266 m183.107 m to 183.615 m183.364 m
183.236 m183.106 m to 183.614 m183.366 m
183.279 m183.102 m to 183.611 m183.364 m
183.227 m183.100 m to 183.606 m183.361 m
183.248 m183.099 m to 183.605 m183.356 m
183.231 m183.093 m to 183.602 m183.353 m
183.214 m183.093 m to 183.599 m183.353 m
183.254 m183.092 m to 183.598 m183.351 m
183.251 m183.088 m to 183.596 m183.348 m
183.234 m183.087 m to 183.589 m183.343 m
183.244 m183.087 m to 183.588 m183.340 m
183.199 m183.087 m to 183.588 m183.336 m
183.207 m183.086 m to 183.587 m183.334 m
183.229 m183.086 m to 183.587 m183.333 m
183.167 m183.082 m to 183.586 m183.333 m
183.185 m183.081 m to 183.581 m183.327 m
183.233 m183.078 m to 183.579 m183.325 m
183.210 m183.081 m to 183.581 m183.323 m
183.207 m183.082 m to 183.579 m183.322 m
183.173 m183.080 m to 183.581 m183.322 m
183.197 m183.080 m to 183.581 m183.321 m
183.209 m183.080 m to 183.575 m183.320 m
183.185 m183.077 m to 183.574 m183.319 m
183.206 m183.076 m to 183.570 m183.319 m
183.223 m183.076 m to 183.564 m183.317 m
183.180 m183.074 m to 183.561 m183.316 m
183.192 m183.073 m to 183.561 m183.315 m
183.197 m183.070 m to 183.558 m183.311 m
183.205 m183.064 m to 183.552 m183.309 m
183.151 m183.062 m to 183.549 m183.309 m
183.185 m183.061 m to 183.546 m183.308 m
183.212 m183.061 m to 183.544 m183.307 m
183.203 m183.061 m to 183.544 m183.306 m
183.148 m183.060 m to 183.542 m183.305 m
183.164 m183.059 m to 183.542 m183.302 m
183.188 m183.058 m to 183.542 m183.301 m
183.176 m183.057 m to 183.541 m183.301 m
183.194 m183.054 m to 183.541 m183.299 m
183.182 m183.050 m to 183.537 m183.294 m
183.183 m183.047 m to 183.537 m183.293 m
183.207 m183.047 m to 183.527 m183.291 m
183.295 m183.047 m to 183.524 m183.289 m
183.243 m183.039 m to 183.522 m183.289 m
183.204 m183.032 m to 183.522 m183.289 m
183.189 m183.031 m to 183.521 m183.285 m
183.179 m183.030 m to 183.519 m183.279 m
183.195 m183.030 m to 183.518 m183.280 m
183.227 m183.030 m to 183.517 m183.281 m
183.167 m183.027 m to 183.517 m183.281 m
183.212 m183.027 m to 183.514 m183.280 m
183.177 m183.027 m to 183.512 m183.280 m
183.177 m183.027 m to 183.510 m183.277 m
183.183 m183.027 m to 183.509 m183.275 m
183.189 m183.023 m to 183.505 m183.272 m
183.190 m183.021 m to 183.503 m183.271 m
183.208 m183.021 m to 183.502 m183.271 m
183.206 m183.021 m to 183.502 m183.270 m
183.199 m183.021 m to 183.504 m183.268 m
183.173 m183.020 m to 183.501 m183.267 m
183.183 m183.020 m to 183.499 m183.264 m
183.183 m183.020 m to 183.499 m183.264 m
183.207 m183.018 m to 183.499 m183.264 m
183.160 m183.018 m to 183.499 m183.261 m
183.205 m183.015 m to 183.497 m183.259 m
183.199 m183.015 m to 183.497 m183.256 m
183.194 m183.015 m to 183.497 m183.254 m
183.210 m183.015 m to 183.497 m183.254 m
183.138 m183.015 m to 183.499 m183.253 m
183.177 m183.015 m to 183.501 m183.253 m
183.182 m183.015 m to 183.501 m183.253 m
183.199 m183.015 m to 183.501 m183.252 m
183.190 m183.017 m to 183.501 m183.253 m
183.212 m183.005 m to 183.500 m183.252 m
183.189 m183.010 m to 183.502 m183.254 m
183.191 m183.015 m to 183.502 m183.254 m
183.193 m183.018 m to 183.502 m183.256 m
183.214 m183.018 m to 183.501 m183.256 m
183.188 m183.020 m to 183.501 m183.254 m
183.160 m183.020 m to 183.501 m183.256 m
183.191 m183.020 m to 183.501 m183.256 m
183.197 m183.020 m to 183.498 m183.256 m
183.192 m183.020 m to 183.497 m183.256 m
183.179 m183.025 m to 183.493 m183.256 m
183.193 m183.032 m to 183.493 m183.257 m
183.232 m183.033 m to 183.493 m183.259 m
183.195 m183.033 m to 183.488 m183.262 m
183.220 m183.033 m to 183.486 m183.264 m
183.188 m183.036 m to 183.488 m183.269 m
183.194 m183.058 m to 183.488 m183.270 m
183.212 m183.058 m to 183.489 m183.271 m
183.252 m183.058 m to 183.489 m183.270 m
183.203 m183.054 m to 183.489 m183.273 m
183.215 m183.053 m to 183.494 m183.278 m
183.224 m183.053 m to 183.495 m183.279 m
183.263 m183.057 m to 183.498 m183.283 m
183.234 m183.058 m to 183.500 m183.287 m
183.236 m183.058 m to 183.502 m183.289 m
183.233 m183.065 m to 183.504 m183.290 m
183.255 m183.068 m to 183.510 m183.292 m
183.273 m183.070 m to 183.513 m183.294 m
183.223 m183.077 m to 183.517 m183.297 m
183.254 m183.079 m to 183.524 m183.300 m
183.286 m183.085 m to 183.525 m183.304 m
183.280 m183.085 m to 183.527 m183.306 m
183.295 m183.089 m to 183.530 m183.310 m
183.332 m183.094 m to 183.531 m183.314 m
183.328 m183.099 m to 183.539 m183.319 m
183.312 m183.106 m to 183.542 m183.324 m
183.322 m183.111 m to 183.546 m183.327 m
183.373 m183.116 m to 183.547 m183.332 m
183.331 m183.120 m to 183.552 m183.337 m
183.366 m183.128 m to 183.553 m183.343 m
183.363 m183.130 m to 183.555 m183.345 m
183.366 m183.133 m to 183.559 m183.352 m
183.390 m183.136 m to 183.565 m183.356 m
183.394 m183.139 m to 183.566 m183.358 m
183.375 m183.140 m to 183.568 m183.363 m
183.375 m183.142 m to 183.569 m183.366 m
183.386 m183.145 m to 183.571 m183.370 m
183.403 m183.150 m to 183.573 m183.371 m
183.412 m183.152 m to 183.574 m183.374 m
183.378 m183.154 m to 183.575 m183.378 m
183.390 m183.159 m to 183.581 m183.379 m
183.408 m183.164 m to 183.586 m183.380 m
183.426 m183.168 m to 183.591 m183.381 m
183.397 m183.177 m to 183.593 m183.386 m
183.432 m183.181 m to 183.594 m183.386 m
183.448 m183.184 m to 183.597 m183.388 m
183.419 m183.187 m to 183.600 m183.390 m
183.425 m183.189 m to 183.604 m183.391 m
183.434 m183.194 m to 183.607 m183.392 m
183.440 m183.197 m to 183.614 m183.395 m
183.445 m183.199 m to 183.616 m183.397 m
183.463 m183.200 m to 183.622 m183.399 m
183.476 m183.201 m to 183.626 m183.401 m
183.476 m183.203 m to 183.627 m183.403 m
183.471 m183.205 m to 183.630 m183.406 m
183.472 m183.207 m to 183.635 m183.407 m
183.455 m183.213 m to 183.639 m183.410 m
183.464 m183.213 m to 183.642 m183.411 m
183.461 m183.216 m to 183.644 m183.415 m
183.467 m183.216 m to 183.647 m183.419 m
183.480 m183.218 m to 183.648 m183.421 m
183.463 m183.225 m to 183.650 m183.424 m
183.464 m183.230 m to 183.652 m183.429 m
183.462 m183.231 m to 183.657 m183.431 m
183.467 m183.236 m to 183.658 m183.435 m
183.469 m183.239 m to 183.658 m183.440 m
183.470 m183.242 m to 183.658 m183.443 m
183.458 m183.247 m to 183.659 m183.445 m
183.475 m183.247 m to 183.660 m183.446 m
183.478 m183.248 m to 183.664 m183.452 m
183.474 m183.250 m to 183.664 m183.456 m
183.493 m183.252 m to 183.665 m183.460 m
183.479 m183.254 m to 183.666 m183.462 m
183.487 m183.255 m to 183.668 m183.465 m
183.477 m183.256 m to 183.671 m183.468 m
183.477 m183.258 m to 183.675 m183.471 m
183.485 m183.259 m to 183.678 m183.475 m
183.483 m183.260 m to 183.681 m183.479 m
183.490 m183.262 m to 183.686 m183.483 m
183.472 m183.267 m to 183.688 m183.486 m
183.479 m183.269 m to 183.693 m183.487 m
183.482 m183.270 m to 183.696 m183.489 m
183.483 m183.274 m to 183.699 m183.492 m
183.474 m183.275 m to 183.700 m183.492 m
183.485 m183.277 m to 183.701 m183.495 m
183.493 m183.279 m to 183.702 m183.497 m
183.478 m183.285 m to 183.704 m183.498 m
183.482 m183.290 m to 183.706 m183.501 m
183.486 m183.295 m to 183.706 m183.502 m
183.502 m183.299 m to 183.707 m183.501 m
183.484 m183.300 m to 183.708 m183.503 m
183.517 m183.303 m to 183.709 m183.505 m
183.509 m183.306 m to 183.714 m183.510 m
183.500 m183.307 m to 183.715 m183.510 m
183.488 m183.308 m to 183.716 m183.511 m
183.486 m183.310 m to 183.717 m183.517 m
183.498 m183.312 m to 183.718 m183.517 m
183.492 m183.312 m to 183.720 m183.518 m
183.495 m183.313 m to 183.720 m183.520 m
183.489 m183.313 m to 183.720 m183.520 m
183.498 m183.314 m to 183.722 m183.521 m
183.493 m183.315 m to 183.725 m183.522 m
183.500 m183.315 m to 183.727 m183.520 m
183.506 m183.315 m to 183.728 m183.524 m
183.495 m183.315 m to 183.731 m183.529 m
183.491 m183.315 m to 183.732 m183.533 m
183.487 m183.315 m to 183.733 m183.535 m
183.494 m183.315 m to 183.732 m183.534 m
183.510 m183.316 m to 183.733 m183.534 m
183.497 m183.317 m to 183.733 m183.535 m
183.522 m183.317 m to 183.735 m183.534 m
183.522 m183.318 m to 183.735 m183.535 m
183.489 m183.318 m to 183.736 m183.536 m
183.507 m183.321 m to 183.737 m183.536 m
183.517 m183.321 m to 183.738 m183.537 m
183.532 m183.319 m to 183.740 m183.537 m
183.527 m183.321 m to 183.741 m183.538 m
183.529 m183.319 m to 183.743 m183.540 m
183.528 m183.319 m to 183.744 m183.544 m
183.521 m183.319 m to 183.748 m183.543 m
183.528 m183.323 m to 183.754 m183.543 m
183.528 m183.323 m to 183.757 m183.544 m
183.531 m183.322 m to 183.759 m183.544 m
183.524 m183.323 m to 183.761 m183.543 m
183.523 m183.320 m to 183.763 m183.543 m
183.542 m183.322 m to 183.765 m183.544 m
183.528 m183.322 m to 183.766 m183.545 m
183.534 m183.322 m to 183.770 m183.545 m
183.535 m183.322 m to 183.774 m183.546 m
183.531 m183.322 m to 183.776 m183.547 m
183.531 m183.320 m to 183.780 m183.547 m
183.537 m183.318 m to 183.781 m183.547 m
183.534 m183.319 m to 183.786 m183.545 m
183.530 m183.319 m to 183.786 m183.548 m
183.526 m183.317 m to 183.788 m183.548 m
183.526 m183.318 m to 183.789 m183.548 m
183.529 m183.318 m to 183.795 m183.548 m
183.539 m183.318 m to 183.795 m183.547 m
183.525 m183.313 m to 183.796 m183.547 m
183.525 m183.310 m to 183.796 m183.547 m
183.513 m183.309 m to 183.798 m183.547 m
183.522 m183.307 m to 183.800 m183.547 m
183.533 m183.306 m to 183.801 m183.547 m
183.528 m183.305 m to 183.802 m183.547 m
183.505 m183.304 m to 183.802 m183.547 m
183.496 m183.305 m to 183.803 m183.547 m
183.502 m183.305 m to 183.803 m183.547 m
183.530 m183.304 m to 183.803 m183.547 m
183.524 m183.304 m to 183.804 m183.547 m
183.528 m183.304 m to 183.804 m183.547 m
183.535 m183.303 m to 183.805 m183.546 m
183.539 m183.303 m to 183.800 m183.546 m
183.546 m183.303 m to 183.801 m183.546 m
183.565 m183.302 m to 183.797 m183.546 m
no value183.300 m to 183.797 m183.544 m
no value183.299 m to 183.796 m183.543 m
no value183.300 m to 183.796 m183.540 m
183.563 m183.300 m to 183.796 m183.540 m
183.540 m183.300 m to 183.795 m183.538 m
183.549 m183.300 m to 183.794 m183.538 m
183.550 m183.299 m to 183.794 m183.537 m
183.562 m183.295 m to 183.794 m183.537 m
183.502 m183.290 m to 183.795 m183.537 m
183.514 m183.288 m to 183.792 m183.537 m
183.523 m183.290 m to 183.791 m183.536 m
183.500 m183.288 m to 183.792 m183.538 m
183.487 m183.288 m to 183.793 m183.540 m
183.525 m183.288 m to 183.793 m183.540 m
183.506 m183.288 m to 183.794 m183.540 m
183.514 m183.287 m to 183.794 m183.541 m
183.513 m183.284 m to 183.794 m183.541 m
183.515 m183.282 m to 183.794 m183.542 m
183.503 m183.281 m to 183.794 m183.544 m
183.491 m183.277 m to 183.794 m183.544 m
183.492 m183.276 m to 183.793 m183.542 m
183.493 m183.276 m to 183.793 m183.545 m
183.495 m183.268 m to 183.792 m183.545 m
183.492 m183.265 m to 183.791 m183.545 m
183.485 m183.262 m to 183.791 m183.545 m
183.497 m183.257 m to 183.788 m183.544 m
183.488 m183.255 m to 183.786 m183.542 m
183.486 m183.254 m to 183.782 m183.541 m
183.505 m183.256 m to 183.780 m183.541 m
183.491 m183.254 m to 183.777 m183.542 m
183.460 m183.254 m to 183.775 m183.542 m
183.450 m183.254 m to 183.772 m183.542 m
183.486 m183.254 m to 183.772 m183.542 m
183.428 m183.254 m to 183.772 m183.542 m
The last 10 years, weekly averages
The last 10 years, weekly averages 183.0 m 183.5 m 184.0 m Highest 183.97 m Lowest 182.75 m 183.472 m
  • Level
  • Our record
Weekly averages of Lake Superior at Grand Marais from the week of 3 October 2016 to 4 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
183.730 m
183.697 m
183.699 m
183.683 m
183.650 m
183.597 m
183.589 m
183.588 m
183.606 m
183.589 m
183.529 m
183.541 m
183.520 m
183.494 m
183.481 m
183.487 m
183.461 m
183.435 m
183.438 m
183.434 m
183.438 m
183.450 m
183.391 m
183.400 m
183.388 m
183.394 m
183.390 m
183.421 m
183.449 m
183.502 m
183.535 m
183.554 m
183.596 m
183.637 m
183.659 m
183.667 m
183.701 m
183.723 m
183.750 m
183.760 m
183.773 m
183.786 m
183.787 m
183.775 m
183.797 m
183.817 m
183.821 m
183.832 m
183.812 m
183.827 m
183.858 m
183.858 m
183.852 m
183.830 m
183.814 m
183.825 m
183.833 m
183.799 m
183.800 m
183.765 m
183.763 m
183.753 m
183.759 m
183.721 m
183.709 m
183.682 m
183.682 m
183.673 m
183.664 m
183.621 m
183.603 m
183.587 m
183.594 m
183.609 m
183.586 m
183.555 m
183.554 m
183.525 m
183.491 m
183.497 m
183.478 m
183.487 m
183.511 m
183.528 m
183.539 m
183.540 m
183.558 m
183.569 m
183.585 m
183.614 m
183.624 m
183.665 m
183.682 m
183.677 m
183.672 m
183.682 m
183.682 m
183.675 m
183.657 m
183.704 m
183.738 m
183.741 m
183.752 m
183.737 m
183.732 m
183.806 m
183.803 m
183.823 m
183.818 m
183.819 m
183.792 m
183.774 m
183.752 m
183.709 m
183.707 m
183.689 m
183.689 m
183.670 m
183.674 m
183.629 m
183.615 m
183.604 m
183.601 m
183.600 m
183.593 m
183.592 m
183.581 m
183.592 m
183.591 m
183.579 m
183.583 m
183.623 m
183.641 m
183.685 m
183.737 m
183.762 m
183.798 m
183.844 m
183.851 m
183.872 m
183.870 m
183.879 m
183.888 m
183.881 m
183.872 m
183.888 m
183.877 m
183.889 m
183.881 m
183.876 m
183.865 m
183.861 m
183.857 m
183.882 m
183.910 m
183.900 m
183.921 m
183.918 m
183.902 m
183.927 m
183.877 m
183.838 m
183.825 m
183.807 m
183.829 m
183.788 m
183.766 m
183.747 m
183.747 m
183.759 m
183.744 m
183.733 m
183.714 m
183.712 m
183.683 m
183.648 m
183.620 m
183.603 m
183.607 m
183.590 m
183.596 m
183.598 m
183.620 m
183.632 m
183.638 m
183.641 m
183.652 m
183.658 m
183.672 m
183.683 m
183.696 m
183.712 m
183.731 m
183.752 m
183.750 m
183.763 m
183.765 m
183.787 m
183.815 m
183.808 m
183.811 m
183.832 m
183.825 m
183.840 m
183.826 m
183.805 m
183.809 m
183.798 m
183.794 m
183.790 m
183.789 m
183.790 m
183.749 m
183.750 m
183.735 m
183.740 m
183.721 m
183.686 m
183.667 m
183.651 m
183.634 m
183.613 m
183.596 m
183.582 m
183.543 m
183.529 m
183.493 m
183.476 m
183.481 m
183.462 m
183.442 m
183.441 m
183.447 m
183.446 m
183.460 m
183.485 m
183.519 m
183.523 m
183.548 m
183.534 m
183.533 m
183.552 m
183.562 m
183.565 m
183.581 m
183.590 m
183.604 m
183.601 m
183.595 m
183.586 m
183.581 m
183.586 m
183.586 m
183.570 m
183.549 m
183.539 m
183.541 m
183.504 m
183.529 m
183.515 m
183.532 m
183.547 m
183.522 m
183.497 m
183.478 m
183.435 m
183.426 m
183.395 m
183.362 m
183.350 m
183.333 m
183.335 m
183.332 m
183.321 m
183.297 m
183.265 m
183.243 m
183.220 m
183.206 m
183.201 m
183.189 m
183.188 m
183.187 m
183.170 m
183.173 m
183.182 m
183.192 m
183.228 m
183.267 m
183.328 m
183.372 m
183.409 m
183.470 m
183.517 m
183.565 m
183.596 m
183.588 m
183.614 m
183.627 m
183.636 m
183.650 m
183.652 m
183.648 m
183.657 m
183.676 m
183.673 m
183.675 m
183.677 m
183.653 m
183.651 m
183.687 m
183.699 m
183.680 m
183.654 m
183.643 m
183.610 m
183.623 m
183.615 m
183.642 m
183.656 m
183.623 m
183.608 m
183.610 m
183.620 m
183.552 m
183.587 m
183.571 m
183.568 m
183.554 m
183.531 m
183.488 m
183.494 m
183.489 m
183.484 m
183.487 m
183.487 m
183.453 m
183.466 m
183.446 m
183.462 m
183.469 m
183.547 m
183.585 m
183.653 m
183.699 m
183.716 m
183.731 m
183.726 m
183.699 m
183.703 m
183.705 m
183.717 m
183.714 m
183.714 m
183.708 m
183.707 m
183.700 m
183.685 m
183.689 m
183.703 m
183.687 m
183.690 m
183.684 m
183.681 m
183.673 m
183.617 m
183.578 m
183.575 m
183.549 m
183.515 m
183.524 m
183.496 m
183.451 m
183.424 m
183.419 m
183.389 m
183.405 m
183.408 m
183.375 m
183.365 m
183.324 m
183.326 m
183.310 m
183.314 m
183.286 m
183.279 m
183.273 m
183.251 m
183.231 m
183.213 m
183.250 m
183.249 m
183.258 m
183.279 m
183.305 m
183.339 m
183.355 m
183.359 m
183.397 m
183.406 m
183.435 m
183.451 m
183.492 m
183.530 m
183.556 m
183.550 m
183.535 m
183.541 m
183.518 m
183.495 m
183.506 m
183.507 m
183.513 m
183.483 m
183.493 m
183.486 m
183.471 m
183.407 m
183.365 m
183.350 m
183.331 m
183.344 m
183.328 m
183.328 m
183.336 m
183.289 m
183.291 m
183.301 m
183.274 m
183.262 m
183.215 m
183.216 m
183.181 m
183.163 m
183.159 m
183.118 m
183.119 m
183.103 m
183.106 m
183.104 m
183.116 m
183.107 m
183.099 m
183.131 m
183.131 m
183.143 m
183.201 m
183.279 m
183.299 m
183.325 m
183.329 m
183.326 m
183.341 m
183.342 m
183.362 m
183.390 m
183.408 m
183.430 m
183.457 m
183.501 m
183.503 m
183.532 m
183.536 m
183.531 m
183.514 m
183.481 m
183.516 m
183.539 m
183.523 m
183.530 m
183.479 m
183.462 m
183.478 m
183.456 m
183.395 m
183.370 m
183.349 m
183.329 m
183.311 m
183.284 m
183.275 m
183.284 m
183.227 m
183.256 m
183.239 m
183.204 m
183.200 m
183.189 m
183.179 m
183.214 m
183.191 m
183.193 m
183.194 m
183.184 m
183.191 m
183.200 m
183.223 m
183.244 m
183.308 m
183.369 m
183.388 m
183.422 m
183.458 m
183.466 m
183.466 m
183.481 m
183.482 m
183.486 m
183.497 m
183.496 m
183.499 m
183.518 m
183.526 m
183.534 m
183.530 m
183.517 m
183.529 m
183.555 m
183.520 m
183.510 m
183.492 m
183.472 m
The whole record since 1966, monthly averages
The whole record since 1966, monthly averages 183.0 m 183.5 m 184.0 m Highest 183.97 m Lowest 182.75 m 183.510 m
  • Level
  • Our record
Monthly averages of Lake Superior at Grand Marais from 19 January 1966 to 4 October 2026.
Table: The whole record since 1966, monthly averages
Month startingMonthly average (m)
no value
183.261 m
183.270 m
183.284 m
183.367 m
183.464 m
183.482 m
183.531 m
183.497 m
183.458 m
183.397 m
183.352 m
183.296 m
183.247 m
183.214 m
183.285 m
183.389 m
183.459 m
183.497 m
183.524 m
183.495 m
183.439 m
183.398 m
183.313 m
183.250 m
183.146 m
183.128 m
183.224 m
183.335 m
183.488 m
183.632 m
183.712 m
183.786 m
183.775 m
183.697 m
183.605 m
183.558 m
183.514 m
183.436 m
183.449 m
183.555 m
183.568 m
183.567 m
183.562 m
183.520 m
183.479 m
183.427 m
183.348 m
183.273 m
183.212 m
183.171 m
183.176 m
183.363 m
183.498 m
183.580 m
183.593 m
183.591 m
183.605 m
183.654 m
183.605 m
183.487 m
183.441 m
183.437 m
183.463 m
183.559 m
183.664 m
183.697 m
183.685 m
183.672 m
183.651 m
183.626 m
183.559 m
183.463 m
183.412 m
183.421 m
183.438 m
183.556 m
183.581 m
183.595 m
183.671 m
183.709 m
183.670 m
183.602 m
183.488 m
183.425 m
183.367 m
183.388 m
183.433 m
183.578 m
183.671 m
183.729 m
183.808 m
183.780 m
183.741 m
183.642 m
183.585 m
183.492 m
183.446 m
183.397 m
183.411 m
183.533 m
183.638 m
183.714 m
183.763 m
183.764 m
183.755 m
183.757 m
183.684 m
183.613 m
183.549 m
183.498 m
183.447 m
183.553 m
183.624 m
no value
183.659 m
183.650 m
183.600 m
183.588 m
183.572 m
183.484 m
183.417 m
183.411 m
183.495 m
183.570 m
183.602 m
183.630 m
183.616 m
183.541 m
183.448 m
183.322 m
183.216 m
no value
no value
no value
183.206 m
183.271 m
183.305 m
183.394 m
183.429 m
183.585 m
183.660 m
183.627 m
183.553 m
183.447 m
183.352 m
183.300 m
183.302 m
183.347 m
183.442 m
183.514 m
183.565 m
183.626 m
183.552 m
183.430 m
183.330 m
183.237 m
183.216 m
183.257 m
183.321 m
183.514 m
183.660 m
183.682 m
183.676 m
183.666 m
183.614 m
183.601 m
183.521 m
183.461 m
183.402 m
183.336 m
183.353 m
183.391 m
183.427 m
183.465 m
183.492 m
183.542 m
183.524 m
183.457 m
183.352 m
183.253 m
183.214 m
183.214 m
183.315 m
183.394 m
183.475 m
183.507 m
183.494 m
183.410 m
183.385 m
183.346 m
183.280 m
183.205 m
183.159 m
183.131 m
183.194 m
183.366 m
183.414 m
183.504 m
183.566 m
183.583 m
183.659 m
183.669 m
183.607 m
183.563 m
183.503 m
183.483 m
183.479 m
183.517 m
183.603 m
183.633 m
183.619 m
183.603 m
183.637 m
183.624 m
183.567 m
183.479 m
183.440 m
183.397 m
183.404 m
183.501 m
183.596 m
183.649 m
183.659 m
183.632 m
183.622 m
183.585 m
183.541 m
183.463 m
183.415 m
183.421 m
183.456 m
183.586 m
183.669 m
183.729 m
183.808 m
183.864 m
183.913 m
183.902 m
183.795 m
183.704 m
183.648 m
183.629 m
183.688 m
183.758 m
183.771 m
183.814 m
183.835 m
183.815 m
183.800 m
183.745 m
183.673 m
183.578 m
183.510 m
183.451 m
183.418 m
183.421 m
183.461 m
183.502 m
183.551 m
183.521 m
183.457 m
183.404 m
183.374 m
183.290 m
183.208 m
183.180 m
183.205 m
183.246 m
183.262 m
183.272 m
183.383 m
183.444 m
183.416 m
183.480 m
183.466 m
183.426 m
183.319 m
183.297 m
183.322 m
183.405 m
183.525 m
183.546 m
183.528 m
183.500 m
183.413 m
183.371 m
183.273 m
183.196 m
183.132 m
183.097 m
183.093 m
183.185 m
183.271 m
183.358 m
183.371 m
183.380 m
183.397 m
183.379 m
183.312 m
183.222 m
183.162 m
183.157 m
183.234 m
183.334 m
183.380 m
183.467 m
183.453 m
183.444 m
183.434 m
183.464 m
183.451 m
183.375 m
183.304 m
183.253 m
183.235 m
183.345 m
183.380 m
183.462 m
183.471 m
183.527 m
183.548 m
183.522 m
183.474 m
183.407 m
183.327 m
183.254 m
183.255 m
183.392 m
183.497 m
183.576 m
183.625 m
183.615 m
183.575 m
183.533 m
183.466 m
183.385 m
183.331 m
183.291 m
183.307 m
183.407 m
183.473 m
183.542 m
183.555 m
183.600 m
183.572 m
183.507 m
183.432 m
183.327 m
183.229 m
183.205 m
183.211 m
183.278 m
183.324 m
183.383 m
183.415 m
183.444 m
183.501 m
183.486 m
183.410 m
183.336 m
183.328 m
183.310 m
183.318 m
183.476 m
183.615 m
183.713 m
183.790 m
183.794 m
183.727 m
183.676 m
183.640 m
183.590 m
183.547 m
183.523 m
183.559 m
183.647 m
183.672 m
183.727 m
183.678 m
183.636 m
183.614 m
183.566 m
183.487 m
183.414 m
183.360 m
183.294 m
183.362 m
183.358 m
183.400 m
183.406 m
183.379 m
183.321 m
183.268 m
183.217 m
183.181 m
183.113 m
183.107 m
183.060 m
183.124 m
183.216 m
183.327 m
183.437 m
183.473 m
183.442 m
183.374 m
183.318 m
183.247 m
183.166 m
183.087 m
183.089 m
183.138 m
183.185 m
183.264 m
183.345 m
183.322 m
183.281 m
183.205 m
183.169 m
183.066 m
182.992 m
182.940 m
182.921 m
183.041 m
183.269 m
183.348 m
183.375 m
183.400 m
183.371 m
183.307 m
183.308 m
183.305 m
183.232 m
183.158 m
183.115 m
183.161 m
183.277 m
183.340 m
183.376 m
183.412 m
183.424 m
183.452 m
183.369 m
183.272 m
183.153 m
183.081 m
183.057 m
183.107 m
183.207 m
183.254 m
183.281 m
183.297 m
183.290 m
183.277 m
183.240 m
183.202 m
183.142 m
183.090 m
183.091 m
183.150 m
183.262 m
183.379 m
183.419 m
183.431 m
183.481 m
183.477 m
183.470 m
183.393 m
183.338 m
183.293 m
183.241 m
183.283 m
183.337 m
183.418 m
183.441 m
183.384 m
183.351 m
183.391 m
183.364 m
183.317 m
183.264 m
183.178 m
183.132 m
183.176 m
183.267 m
183.316 m
183.324 m
183.318 m
183.236 m
183.127 m
183.055 m
182.993 m
182.930 m
182.831 m
182.811 m
182.859 m
182.905 m
182.966 m
183.016 m
183.016 m
183.039 m
183.202 m
183.187 m
183.133 m
183.087 m
183.035 m
182.993 m
183.044 m
183.204 m
183.322 m
183.423 m
183.427 m
183.388 m
183.335 m
183.284 m
183.205 m
183.152 m
183.115 m
183.119 m
183.144 m
183.266 m
183.309 m
183.347 m
183.391 m
183.439 m
183.384 m
183.378 m
183.316 m
183.220 m
183.144 m
183.114 m
183.103 m
183.105 m
183.150 m
183.202 m
183.197 m
183.210 m
183.191 m
183.160 m
183.081 m
183.017 m
182.935 m
182.898 m
182.931 m
183.064 m
183.173 m
183.267 m
183.279 m
183.232 m
183.225 m
183.172 m
183.103 m
183.019 m
182.949 m
182.964 m
183.021 m
183.091 m
183.218 m
183.314 m
183.273 m
183.203 m
183.126 m
183.127 m
183.071 m
182.989 m
182.961 m
182.916 m
182.946 m
183.138 m
183.288 m
183.386 m
183.453 m
183.502 m
183.471 m
183.415 m
183.367 m
183.286 m
183.258 m
183.256 m
183.299 m
183.502 m
183.638 m
183.680 m
183.692 m
183.719 m
183.721 m
183.672 m
183.617 m
183.543 m
183.479 m
183.443 m
183.463 m
183.560 m
183.655 m
183.708 m
183.696 m
183.709 m
183.621 m
183.608 m
183.613 m
183.560 m
183.504 m
183.493 m
183.509 m
183.534 m
183.634 m
183.708 m
183.712 m
183.717 m
183.705 m
183.605 m
183.552 m
183.481 m
183.435 m
183.402 m
183.438 m
183.587 m
183.701 m
183.775 m
183.807 m
183.837 m
183.832 m
183.792 m
183.738 m
183.671 m
183.598 m
183.564 m
183.490 m
183.533 m
183.593 m
183.673 m
183.678 m
183.740 m
183.793 m
183.791 m
183.701 m
183.639 m
183.600 m
183.586 m
183.640 m
183.799 m
183.875 m
183.880 m
183.874 m
183.888 m
183.911 m
183.829 m
183.764 m
183.733 m
183.643 m
183.599 m
183.636 m
183.675 m
183.739 m
183.787 m
183.827 m
183.806 m
183.785 m
183.734 m
183.652 m
183.567 m
183.478 m
183.445 m
183.508 m
183.547 m
183.588 m
183.588 m
183.561 m
183.521 m
183.514 m
183.401 m
183.335 m
183.259 m
183.194 m
183.178 m
183.285 m
183.495 m
183.610 m
183.650 m
183.673 m
183.675 m
183.636 m
183.632 m
183.595 m
183.552 m
183.489 m
183.468 m
183.511 m
183.703 m
183.707 m
183.711 m
183.693 m
183.683 m
183.579 m
183.484 m
183.408 m
183.344 m
183.291 m
183.242 m
183.277 m
183.371 m
183.475 m
183.544 m
183.507 m
183.483 m
183.357 m
183.324 m
183.279 m
183.184 m
183.117 m
183.105 m
183.165 m
183.315 m
183.359 m
183.458 m
183.525 m
183.516 m
183.481 m
183.366 m
183.282 m
183.225 m
183.195 m
183.190 m
183.263 m
183.429 m
183.480 m
183.507 m
183.529 m
183.510 m
no value

4 October in the last 10 years

DayLevel
183.532 m
183.398 m
183.644 m
183.675 m
183.534 m
183.80 m
183.924 m
183.714 m
183.841 m
183.769 m

Year by year

YearDays with a valueDays below the normal range
to 2750
3641
3650
3650
3650
3650
3660
3650
3650
3650
3660
3650
3650
365141
366342
365357
365248
3650
36688
365348
365144
3650
3662
36596
3650
363111
366139
36512
36521
3650
3660
3650
3650
3650
3660
3640
36528
3650
36653
3650
3650
3650
3660
3620
3640
3650
3660
3650
3640
2810
3650
3290
3610
3650
3660
3650
3640
3650
3610
3580
3470

Records

  • Highest daily average in our series since 19 January 1966: 183.97 m on 21 October 2019.
  • Lowest daily average in our series since 19 January 1966: 182.75 m on 19 March 2007.

See also