World Water Levels

normal for the date

Lake Superior at Ontonagon: history

On Lake Superior at Ontonagon averaged 183.467 m above IGLD 1985.

That is within the normal range for the date. The normal range for 4 October is 183.28 m to 183.76 m: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 67 years between 1959 and 2025.

The last 90 days, against the normal range for each day
The last 90 days, against the normal range for each day 183.4 m 183.6 m 183.8 m 184.0 m Highest 183.971 m 183.467 m
  • Level
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of Lake Superior at Ontonagon 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
183.517 m183.332 m to 183.726 m183.495 m183.473 m
183.522 m183.334 m to 183.730 m183.496 m183.469 m
183.523 m183.335 m to 183.730 m183.502 m183.452 m
183.524 m183.337 m to 183.731 m183.504 m183.460 m
183.521 m183.340 m to 183.732 m183.504 m183.461 m
183.522 m183.340 m to 183.733 m183.505 m183.458 m
183.527 m183.342 m to 183.734 m183.506 m183.457 m
183.532 m183.343 m to 183.734 m183.508 m183.466 m
183.532 m183.343 m to 183.735 m183.510 m183.505 m
183.532 m183.343 m to 183.735 m183.511 m183.538 m
183.570 m183.344 m to 183.736 m183.513 m183.500 m
183.549 m183.345 m to 183.736 m183.516 m183.503 m
183.557 m183.346 m to 183.736 m183.519 m183.500 m
183.593 m183.340 m to 183.736 m183.518 m183.491 m
183.574 m183.340 m to 183.736 m183.520 m183.500 m
183.565 m183.340 m to 183.736 m183.525 m183.503 m
183.569 m183.339 m to 183.736 m183.526 m183.583 m
183.579 m183.338 m to 183.736 m183.526 m183.571 m
183.578 m183.337 m to 183.736 m183.529 m183.559 m
183.578 m183.334 m to 183.736 m183.529 m183.554 m
183.567 m183.333 m to 183.736 m183.530 m183.552 m
183.550 m183.331 m to 183.736 m183.530 m183.546 m
183.552 m183.334 m to 183.736 m183.529 m183.548 m
183.599 m183.334 m to 183.736 m183.531 m183.542 m
183.583 m183.334 m to 183.736 m183.530 m183.535 m
183.588 m183.335 m to 183.738 m183.530 m183.528 m
183.572 m183.334 m to 183.739 m183.531 m183.529 m
183.573 m183.335 m to 183.741 m183.532 m183.530 m
183.567 m183.335 m to 183.743 m183.533 m183.537 m
183.573 m183.335 m to 183.747 m183.534 m183.537 m
183.575 m183.337 m to 183.751 m183.535 m183.534 m
183.584 m183.337 m to 183.755 m183.535 m183.534 m
183.589 m183.334 m to 183.767 m183.533 m183.541 m
183.588 m183.334 m to 183.771 m183.533 m183.549 m
183.580 m183.335 m to 183.775 m183.532 m183.563 m
183.578 m183.335 m to 183.779 m183.531 m183.562 m
183.573 m183.335 m to 183.782 m183.531 m183.564 m
183.565 m183.334 m to 183.783 m183.530 m183.563 m
183.562 m183.334 m to 183.789 m183.530 m183.566 m
183.558 m183.334 m to 183.792 m183.529 m183.563 m
183.542 m183.333 m to 183.794 m183.529 m183.558 m
183.549 m183.330 m to 183.795 m183.529 m183.550 m
183.546 m183.328 m to 183.796 m183.529 m183.550 m
183.560 m183.328 m to 183.799 m183.529 m183.538 m
183.562 m183.326 m to 183.800 m183.529 m183.528 m
183.557 m183.324 m to 183.799 m183.529 m183.533 m
183.542 m183.322 m to 183.799 m183.529 m183.546 m
183.526 m183.320 m to 183.799 m183.529 m183.555 m
183.525 m183.318 m to 183.798 m183.527 m183.554 m
183.552 m183.317 m to 183.796 m183.526 m183.547 m
183.555 m183.317 m to 183.796 m183.526 m183.547 m
183.552 m183.317 m to 183.796 m183.527 m183.546 m
183.555 m183.316 m to 183.795 m183.529 m183.550 m
183.548 m183.316 m to 183.795 m183.532 m183.536 m
183.560 m183.315 m to 183.795 m183.535 m183.524 m
183.553 m183.315 m to 183.794 m183.535 m183.526 m
no value183.314 m to 183.791 m183.539 m183.526 m
no value183.315 m to 183.788 m183.539 m183.534 m
no value183.313 m to 183.787 m183.539 m183.554 m
no value183.312 m to 183.784 m183.539 m183.542 m
183.528 m183.313 m to 183.778 m183.536 m183.581 m
183.536 m183.314 m to 183.777 m183.536 m183.578 m
183.534 m183.312 m to 183.773 m183.537 m183.550 m
183.544 m183.312 m to 183.772 m183.537 m183.554 m
183.520 m183.307 m to 183.772 m183.537 m183.578 m
183.549 m183.307 m to 183.770 m183.537 m183.570 m
183.563 m183.310 m to 183.769 m183.536 m183.559 m
183.552 m183.310 m to 183.767 m183.536 m183.564 m
183.548 m183.310 m to 183.765 m183.533 m183.572 m
183.553 m183.310 m to 183.764 m183.532 m183.568 m
183.544 m183.309 m to 183.764 m183.532 m183.564 m
183.557 m183.309 m to 183.764 m183.531 m183.561 m
183.530 m183.309 m to 183.763 m183.531 m183.552 m
183.538 m183.308 m to 183.763 m183.531 m183.550 m
183.528 m183.308 m to 183.763 m183.531 m183.554 m
183.507 m183.307 m to 183.764 m183.530 m183.555 m
183.502 m183.306 m to 183.764 m183.529 m183.546 m
183.501 m183.303 m to 183.764 m183.529 m183.544 m
183.497 m183.301 m to 183.764 m183.528 m183.537 m
183.496 m183.301 m to 183.762 m183.528 m183.542 m
183.491 m183.299 m to 183.761 m183.528 m183.545 m
183.501 m183.297 m to 183.761 m183.528 m183.540 m
183.486 m183.295 m to 183.761 m183.526 m183.530 m
183.491 m183.294 m to 183.762 m183.524 m183.526 m
183.495 m183.293 m to 183.761 m183.520 m183.533 m
183.493 m183.288 m to 183.760 m183.516 m183.549 m
183.476 m183.282 m to 183.759 m183.515 m183.545 m
183.468 m183.280 m to 183.759 m183.515 m183.542 m
183.482 m183.277 m to 183.759 m183.514 m183.537 m
183.467 m183.276 m to 183.760 m183.512 m183.536 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 183.971 m Lowest 182.799 m 183.467 m
  • Level
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of Lake Superior at Ontonagon 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
183.536 m183.276 m to 183.760 m183.512 m
183.541 m183.273 m to 183.759 m183.511 m
183.526 m183.272 m to 183.758 m183.509 m
183.516 m183.271 m to 183.758 m183.507 m
183.512 m183.270 m to 183.759 m183.505 m
183.513 m183.268 m to 183.760 m183.502 m
183.501 m183.268 m to 183.761 m183.502 m
183.505 m183.267 m to 183.761 m183.502 m
183.513 m183.269 m to 183.760 m183.500 m
183.494 m183.269 m to 183.759 m183.497 m
183.482 m183.268 m to 183.760 m183.495 m
183.482 m183.267 m to 183.763 m183.494 m
183.492 m183.267 m to 183.763 m183.494 m
183.508 m183.260 m to 183.761 m183.494 m
183.494 m183.258 m to 183.760 m183.494 m
183.480 m183.256 m to 183.755 m183.497 m
183.499 m183.254 m to 183.760 m183.497 m
183.528 m183.254 m to 183.755 m183.498 m
183.528 m183.254 m to 183.753 m183.498 m
183.503 m183.255 m to 183.753 m183.497 m
183.493 m183.254 m to 183.753 m183.495 m
183.493 m183.254 m to 183.753 m183.494 m
183.490 m183.250 m to 183.750 m183.495 m
183.488 m183.249 m to 183.750 m183.494 m
183.486 m183.249 m to 183.751 m183.493 m
183.469 m183.243 m to 183.750 m183.494 m
183.460 m183.243 m to 183.750 m183.494 m
183.464 m183.241 m to 183.750 m183.491 m
183.452 m183.234 m to 183.749 m183.489 m
183.432 m183.233 m to 183.749 m183.486 m
183.428 m183.232 m to 183.749 m183.480 m
183.442 m183.231 m to 183.748 m183.476 m
183.443 m183.229 m to 183.748 m183.473 m
183.451 m183.228 m to 183.747 m183.470 m
183.449 m183.225 m to 183.742 m183.466 m
183.430 m183.226 m to 183.740 m183.460 m
183.427 m183.225 m to 183.739 m183.459 m
183.414 m183.224 m to 183.739 m183.458 m
183.422 m183.225 m to 183.739 m183.455 m
183.409 m183.227 m to 183.735 m183.453 m
183.400 m183.225 m to 183.735 m183.453 m
183.438 m183.224 m to 183.735 m183.452 m
183.416 m183.223 m to 183.738 m183.451 m
183.397 m183.220 m to 183.738 m183.451 m
183.389 m183.222 m to 183.737 m183.451 m
183.391 m183.222 m to 183.734 m183.449 m
183.385 m183.221 m to 183.732 m183.447 m
183.379 m183.224 m to 183.729 m183.446 m
183.373 m183.221 m to 183.730 m183.443 m
183.381 m183.221 m to 183.730 m183.440 m
183.365 m183.219 m to 183.729 m183.439 m
183.378 m183.213 m to 183.728 m183.436 m
183.388 m183.215 m to 183.725 m183.432 m
183.416 m183.213 m to 183.722 m183.432 m
183.384 m183.212 m to 183.720 m183.424 m
183.380 m183.212 m to 183.717 m183.420 m
183.392 m183.211 m to 183.714 m183.420 m
183.369 m183.210 m to 183.710 m183.419 m
183.351 m183.209 m to 183.709 m183.416 m
183.355 m183.209 m to 183.706 m183.415 m
183.360 m183.207 m to 183.704 m183.415 m
183.338 m183.207 m to 183.697 m183.410 m
183.343 m183.205 m to 183.695 m183.410 m
183.344 m183.204 m to 183.690 m183.407 m
183.332 m183.199 m to 183.688 m183.402 m
183.336 m183.197 m to 183.687 m183.401 m
183.337 m183.193 m to 183.685 m183.399 m
183.325 m183.187 m to 183.681 m183.398 m
183.319 m183.187 m to 183.678 m183.396 m
183.308 m183.186 m to 183.677 m183.393 m
183.320 m183.183 m to 183.673 m183.389 m
183.309 m183.181 m to 183.670 m183.388 m
183.309 m183.174 m to 183.668 m183.388 m
183.310 m183.174 m to 183.668 m183.386 m
183.306 m183.169 m to 183.668 m183.383 m
183.347 m183.166 m to 183.666 m183.383 m
183.312 m183.166 m to 183.664 m183.382 m
183.309 m183.166 m to 183.662 m183.380 m
183.311 m183.167 m to 183.659 m183.379 m
183.325 m183.166 m to 183.657 m183.376 m
183.303 m183.165 m to 183.653 m183.376 m
183.308 m183.163 m to 183.648 m183.373 m
183.306 m183.160 m to 183.648 m183.374 m
183.319 m183.160 m to 183.646 m183.371 m
183.320 m183.160 m to 183.644 m183.368 m
183.330 m183.156 m to 183.643 m183.361 m
183.291 m183.153 m to 183.639 m183.358 m
183.298 m183.151 m to 183.637 m183.354 m
183.311 m183.149 m to 183.631 m183.352 m
183.291 m183.144 m to 183.629 m183.351 m
183.286 m183.140 m to 183.629 m183.345 m
183.296 m183.136 m to 183.627 m183.343 m
183.298 m183.133 m to 183.625 m183.343 m
183.298 m183.133 m to 183.623 m183.342 m
183.294 m183.130 m to 183.618 m183.340 m
183.283 m183.127 m to 183.618 m183.336 m
183.291 m183.124 m to 183.617 m183.335 m
183.273 m183.122 m to 183.616 m183.332 m
183.298 m183.119 m to 183.615 m183.325 m
183.275 m183.118 m to 183.609 m183.322 m
183.272 m183.117 m to 183.606 m183.319 m
183.295 m183.119 m to 183.604 m183.316 m
183.283 m183.117 m to 183.603 m183.312 m
183.288 m183.117 m to 183.603 m183.311 m
183.300 m183.114 m to 183.600 m183.308 m
183.283 m183.113 m to 183.596 m183.307 m
183.282 m183.109 m to 183.594 m183.305 m
183.290 m183.106 m to 183.591 m183.304 m
183.278 m183.104 m to 183.590 m183.302 m
183.285 m183.104 m to 183.588 m183.301 m
183.279 m183.099 m to 183.588 m183.297 m
183.272 m183.097 m to 183.584 m183.294 m
183.268 m183.098 m to 183.581 m183.291 m
no value183.098 m to 183.579 m183.288 m
no value183.096 m to 183.575 m183.286 m
no value183.090 m to 183.574 m183.287 m
no value183.087 m to 183.571 m183.284 m
no value183.085 m to 183.571 m183.277 m
no value183.084 m to 183.568 m183.275 m
no value183.083 m to 183.567 m183.271 m
no value183.079 m to 183.563 m183.264 m
no value183.075 m to 183.558 m183.264 m
no value183.075 m to 183.557 m183.261 m
no value183.074 m to 183.556 m183.261 m
no value183.072 m to 183.553 m183.263 m
no value183.071 m to 183.548 m183.260 m
no value183.070 m to 183.544 m183.258 m
no value183.069 m to 183.544 m183.257 m
183.227 m183.068 m to 183.544 m183.255 m
183.213 m183.068 m to 183.542 m183.255 m
183.199 m183.067 m to 183.541 m183.255 m
183.206 m183.066 m to 183.539 m183.255 m
183.208 m183.060 m to 183.539 m183.250 m
183.219 m183.059 m to 183.539 m183.250 m
183.215 m183.059 m to 183.537 m183.252 m
183.215 m183.060 m to 183.536 m183.250 m
183.220 m183.070 m to 183.536 m183.255 m
183.276 m183.068 m to 183.533 m183.251 m
183.272 m183.067 m to 183.532 m183.248 m
183.248 m183.066 m to 183.531 m183.247 m
183.227 m183.066 m to 183.531 m183.246 m
183.225 m183.063 m to 183.529 m183.244 m
183.224 m183.064 m to 183.528 m183.239 m
183.250 m183.061 m to 183.527 m183.236 m
183.223 m183.060 m to 183.525 m183.236 m
183.228 m183.059 m to 183.522 m183.233 m
183.235 m183.058 m to 183.519 m183.230 m
183.221 m183.059 m to 183.517 m183.228 m
183.216 m183.058 m to 183.516 m183.223 m
183.214 m183.053 m to 183.514 m183.221 m
183.213 m183.051 m to 183.512 m183.220 m
183.224 m183.048 m to 183.516 m183.221 m
183.245 m183.048 m to 183.516 m183.221 m
183.250 m183.048 m to 183.517 m183.220 m
183.253 m183.047 m to 183.514 m183.222 m
183.257 m183.048 m to 183.514 m183.224 m
183.306 m183.045 m to 183.514 m183.226 m
183.304 m183.045 m to 183.514 m183.228 m
183.275 m183.045 m to 183.515 m183.227 m
183.271 m183.045 m to 183.514 m183.227 m
183.288 m183.045 m to 183.515 m183.225 m
183.245 m183.042 m to 183.517 m183.226 m
183.268 m183.042 m to 183.518 m183.225 m
183.243 m183.041 m to 183.515 m183.225 m
183.222 m183.039 m to 183.514 m183.225 m
183.224 m183.038 m to 183.514 m183.218 m
183.229 m183.038 m to 183.514 m183.218 m
183.247 m183.036 m to 183.514 m183.218 m
183.289 m183.033 m to 183.514 m183.223 m
183.270 m183.033 m to 183.516 m183.220 m
183.250 m183.033 m to 183.516 m183.220 m
183.250 m183.032 m to 183.516 m183.220 m
183.273 m183.031 m to 183.515 m183.221 m
183.256 m183.030 m to 183.514 m183.220 m
183.242 m183.029 m to 183.516 m183.220 m
183.245 m183.028 m to 183.516 m183.225 m
183.259 m183.026 m to 183.516 m183.224 m
183.248 m183.026 m to 183.515 m183.225 m
183.248 m183.027 m to 183.515 m183.230 m
183.237 m183.027 m to 183.512 m183.235 m
183.268 m183.026 m to 183.512 m183.238 m
183.248 m183.028 m to 183.513 m183.245 m
183.284 m183.032 m to 183.511 m183.237 m
183.259 m183.033 m to 183.511 m183.237 m
183.260 m183.036 m to 183.512 m183.242 m
183.255 m183.037 m to 183.516 m183.252 m
183.288 m183.049 m to 183.517 m183.256 m
183.257 m183.054 m to 183.521 m183.259 m
183.261 m183.055 m to 183.525 m183.265 m
183.270 m183.058 m to 183.528 m183.267 m
183.328 m183.061 m to 183.528 m183.276 m
183.320 m183.063 m to 183.529 m183.278 m
183.345 m183.057 m to 183.529 m183.277 m
183.347 m183.059 m to 183.530 m183.275 m
183.349 m183.065 m to 183.530 m183.279 m
183.379 m183.068 m to 183.531 m183.280 m
183.404 m183.077 m to 183.532 m183.285 m
183.367 m183.081 m to 183.535 m183.287 m
183.356 m183.082 m to 183.536 m183.288 m
183.341 m183.084 m to 183.536 m183.293 m
183.344 m183.088 m to 183.537 m183.295 m
183.368 m183.095 m to 183.539 m183.300 m
183.409 m183.102 m to 183.540 m183.309 m
183.387 m183.110 m to 183.543 m183.310 m
183.388 m183.118 m to 183.544 m183.312 m
183.416 m183.121 m to 183.553 m183.316 m
183.400 m183.125 m to 183.554 m183.322 m
183.406 m183.127 m to 183.558 m183.323 m
183.403 m183.129 m to 183.561 m183.330 m
183.401 m183.133 m to 183.563 m183.334 m
no value183.135 m to 183.563 m183.338 m
no value183.136 m to 183.563 m183.342 m
no value183.142 m to 183.564 m183.343 m
no value183.147 m to 183.564 m183.347 m
no value183.148 m to 183.569 m183.350 m
no value183.150 m to 183.572 m183.354 m
no value183.151 m to 183.574 m183.356 m
no value183.156 m to 183.574 m183.360 m
no value183.163 m to 183.575 m183.361 m
no value183.169 m to 183.575 m183.367 m
no value183.175 m to 183.576 m183.367 m
no value183.178 m to 183.583 m183.368 m
no value183.185 m to 183.585 m183.369 m
no value183.191 m to 183.588 m183.373 m
no value183.193 m to 183.590 m183.374 m
no value183.198 m to 183.593 m183.373 m
no value183.203 m to 183.599 m183.373 m
no value183.202 m to 183.602 m183.373 m
no value183.203 m to 183.603 m183.370 m
no value183.208 m to 183.607 m183.370 m
no value183.208 m to 183.614 m183.370 m
no value183.209 m to 183.621 m183.374 m
no value183.210 m to 183.630 m183.370 m
no value183.212 m to 183.635 m183.371 m
no value183.213 m to 183.638 m183.373 m
no value183.214 m to 183.639 m183.376 m
no value183.214 m to 183.640 m183.380 m
no value183.216 m to 183.641 m183.382 m
no value183.219 m to 183.648 m183.384 m
no value183.225 m to 183.652 m183.387 m
183.489 m183.226 m to 183.654 m183.388 m
183.485 m183.227 m to 183.654 m183.391 m
183.485 m183.229 m to 183.654 m183.393 m
183.491 m183.235 m to 183.654 m183.400 m
183.491 m183.242 m to 183.655 m183.402 m
183.481 m183.247 m to 183.655 m183.412 m
183.493 m183.251 m to 183.657 m183.419 m
183.499 m183.253 m to 183.658 m183.422 m
183.499 m183.256 m to 183.658 m183.421 m
183.512 m183.258 m to 183.659 m183.422 m
183.500 m183.260 m to 183.661 m183.426 m
183.504 m183.260 m to 183.662 m183.428 m
183.502 m183.263 m to 183.666 m183.429 m
183.502 m183.266 m to 183.666 m183.432 m
183.507 m183.267 m to 183.669 m183.435 m
183.516 m183.270 m to 183.670 m183.441 m
183.522 m183.272 m to 183.675 m183.443 m
183.504 m183.276 m to 183.681 m183.446 m
183.500 m183.278 m to 183.682 m183.448 m
183.506 m183.282 m to 183.685 m183.450 m
183.508 m183.285 m to 183.689 m183.450 m
183.500 m183.288 m to 183.690 m183.450 m
183.500 m183.289 m to 183.692 m183.453 m
183.541 m183.293 m to 183.692 m183.453 m
183.536 m183.294 m to 183.695 m183.456 m
183.515 m183.298 m to 183.700 m183.458 m
183.515 m183.304 m to 183.702 m183.458 m
183.518 m183.309 m to 183.703 m183.460 m
183.539 m183.310 m to 183.706 m183.462 m
183.558 m183.311 m to 183.708 m183.469 m
183.536 m183.313 m to 183.712 m183.469 m
183.529 m183.316 m to 183.714 m183.471 m
183.531 m183.318 m to 183.715 m183.471 m
183.528 m183.321 m to 183.717 m183.476 m
183.524 m183.322 m to 183.721 m183.484 m
183.521 m183.328 m to 183.724 m183.493 m
183.517 m183.332 m to 183.726 m183.495 m
183.522 m183.334 m to 183.730 m183.496 m
183.523 m183.335 m to 183.730 m183.502 m
183.524 m183.337 m to 183.731 m183.504 m
183.521 m183.340 m to 183.732 m183.504 m
183.522 m183.340 m to 183.733 m183.505 m
183.527 m183.342 m to 183.734 m183.506 m
183.532 m183.343 m to 183.734 m183.508 m
183.532 m183.343 m to 183.735 m183.510 m
183.532 m183.343 m to 183.735 m183.511 m
183.570 m183.344 m to 183.736 m183.513 m
183.549 m183.345 m to 183.736 m183.516 m
183.557 m183.346 m to 183.736 m183.519 m
183.593 m183.340 m to 183.736 m183.518 m
183.574 m183.340 m to 183.736 m183.520 m
183.565 m183.340 m to 183.736 m183.525 m
183.569 m183.339 m to 183.736 m183.526 m
183.579 m183.338 m to 183.736 m183.526 m
183.578 m183.337 m to 183.736 m183.529 m
183.578 m183.334 m to 183.736 m183.529 m
183.567 m183.333 m to 183.736 m183.530 m
183.550 m183.331 m to 183.736 m183.530 m
183.552 m183.334 m to 183.736 m183.529 m
183.599 m183.334 m to 183.736 m183.531 m
183.583 m183.334 m to 183.736 m183.530 m
183.588 m183.335 m to 183.738 m183.530 m
183.572 m183.334 m to 183.739 m183.531 m
183.573 m183.335 m to 183.741 m183.532 m
183.567 m183.335 m to 183.743 m183.533 m
183.573 m183.335 m to 183.747 m183.534 m
183.575 m183.337 m to 183.751 m183.535 m
183.584 m183.337 m to 183.755 m183.535 m
183.589 m183.334 m to 183.767 m183.533 m
183.588 m183.334 m to 183.771 m183.533 m
183.580 m183.335 m to 183.775 m183.532 m
183.578 m183.335 m to 183.779 m183.531 m
183.573 m183.335 m to 183.782 m183.531 m
183.565 m183.334 m to 183.783 m183.530 m
183.562 m183.334 m to 183.789 m183.530 m
183.558 m183.334 m to 183.792 m183.529 m
183.542 m183.333 m to 183.794 m183.529 m
183.549 m183.330 m to 183.795 m183.529 m
183.546 m183.328 m to 183.796 m183.529 m
183.560 m183.328 m to 183.799 m183.529 m
183.562 m183.326 m to 183.800 m183.529 m
183.557 m183.324 m to 183.799 m183.529 m
183.542 m183.322 m to 183.799 m183.529 m
183.526 m183.320 m to 183.799 m183.529 m
183.525 m183.318 m to 183.798 m183.527 m
183.552 m183.317 m to 183.796 m183.526 m
183.555 m183.317 m to 183.796 m183.526 m
183.552 m183.317 m to 183.796 m183.527 m
183.555 m183.316 m to 183.795 m183.529 m
183.548 m183.316 m to 183.795 m183.532 m
183.560 m183.315 m to 183.795 m183.535 m
183.553 m183.315 m to 183.794 m183.535 m
no value183.314 m to 183.791 m183.539 m
no value183.315 m to 183.788 m183.539 m
no value183.313 m to 183.787 m183.539 m
no value183.312 m to 183.784 m183.539 m
183.528 m183.313 m to 183.778 m183.536 m
183.536 m183.314 m to 183.777 m183.536 m
183.534 m183.312 m to 183.773 m183.537 m
183.544 m183.312 m to 183.772 m183.537 m
183.520 m183.307 m to 183.772 m183.537 m
183.549 m183.307 m to 183.770 m183.537 m
183.563 m183.310 m to 183.769 m183.536 m
183.552 m183.310 m to 183.767 m183.536 m
183.548 m183.310 m to 183.765 m183.533 m
183.553 m183.310 m to 183.764 m183.532 m
183.544 m183.309 m to 183.764 m183.532 m
183.557 m183.309 m to 183.764 m183.531 m
183.530 m183.309 m to 183.763 m183.531 m
183.538 m183.308 m to 183.763 m183.531 m
183.528 m183.308 m to 183.763 m183.531 m
183.507 m183.307 m to 183.764 m183.530 m
183.502 m183.306 m to 183.764 m183.529 m
183.501 m183.303 m to 183.764 m183.529 m
183.497 m183.301 m to 183.764 m183.528 m
183.496 m183.301 m to 183.762 m183.528 m
183.491 m183.299 m to 183.761 m183.528 m
183.501 m183.297 m to 183.761 m183.528 m
183.486 m183.295 m to 183.761 m183.526 m
183.491 m183.294 m to 183.762 m183.524 m
183.495 m183.293 m to 183.761 m183.520 m
183.493 m183.288 m to 183.760 m183.516 m
183.476 m183.282 m to 183.759 m183.515 m
183.468 m183.280 m to 183.759 m183.515 m
183.482 m183.277 m to 183.759 m183.514 m
183.467 m183.276 m to 183.760 m183.512 m
The last 10 years, weekly averages
The last 10 years, weekly averages 183.0 m 183.5 m 184.0 m Highest 183.971 m Lowest 182.799 m 183.482 m
  • Level
  • Our record
Weekly averages of Lake Superior at Ontonagon from the week of 3 October 2016 to 4 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
183.723 m
183.717 m
183.715 m
183.680 m
183.655 m
183.617 m
183.617 m
183.592 m
183.617 m
183.614 m
183.576 m
183.547 m
183.561 m
183.547 m
183.517 m
183.510 m
183.518 m
183.491 m
183.473 m
183.462 m
183.504 m
183.475 m
183.453 m
183.414 m
183.407 m
183.414 m
183.412 m
183.424 m
183.470 m
183.538 m
183.574 m
183.572 m
183.612 m
183.652 m
183.674 m
183.676 m
183.710 m
183.746 m
183.784 m
183.784 m
183.790 m
183.797 m
183.796 m
183.779 m
183.799 m
183.814 m
183.833 m
183.824 m
183.833 m
183.824 m
183.849 m
183.854 m
183.870 m
183.847 m
183.825 m
183.859 m
183.849 m
183.819 m
183.807 m
183.787 m
183.766 m
183.785 m
183.767 m
183.739 m
183.748 m
183.707 m
183.698 m
183.682 m
183.665 m
183.650 m
183.606 m
183.590 m
183.603 m
183.613 m
183.581 m
183.554 m
183.548 m
183.532 m
183.509 m
183.497 m
183.476 m
183.495 m
183.513 m
183.532 m
183.537 m
183.543 m
183.560 m
183.578 m
183.591 m
183.635 m
183.632 m
183.672 m
183.693 m
183.688 m
183.686 m
183.682 m
183.695 m
183.679 m
183.659 m
183.692 m
183.729 m
183.727 m
183.723 m
183.752 m
183.751 m
183.840 m
183.840 m
183.834 m
183.830 m
183.843 m
183.812 m
183.789 m
183.765 m
183.722 m
183.714 m
183.697 m
183.696 m
183.678 m
183.693 m
183.653 m
183.639 m
183.627 m
183.615 m
183.609 m
183.599 m
183.594 m
183.590 m
183.607 m
183.619 m
183.631 m
183.626 m
183.643 m
183.666 m
183.734 m
183.751 m
183.793 m
183.811 m
183.857 m
183.864 m
183.884 m
183.884 m
183.888 m
183.901 m
183.890 m
183.884 m
183.903 m
183.899 m
183.919 m
183.915 m
183.894 m
183.889 m
183.897 m
183.882 m
183.896 m
183.919 m
183.915 m
183.915 m
183.925 m
183.922 m
183.934 m
183.903 m
183.875 m
183.846 m
183.832 m
183.846 m
183.804 m
183.792 m
183.768 m
183.765 m
183.811 m
183.775 m
183.755 m
183.729 m
183.733 m
183.707 m
183.680 m
183.660 m
183.642 m
183.638 m
183.654 m
183.641 m
183.663 m
183.683 m
183.672 m
183.667 m
183.663 m
183.683 m
183.674 m
183.683 m
183.701 m
183.720 m
183.731 m
183.767 m
183.769 m
183.769 m
183.773 m
183.787 m
183.812 m
183.843 m
183.839 m
183.822 m
183.861 m
183.857 m
183.850 m
183.859 m
183.840 m
183.833 m
183.817 m
183.827 m
183.811 m
183.835 m
183.819 m
183.794 m
183.762 m
183.771 m
183.772 m
183.743 m
183.717 m
183.696 m
183.673 m
183.668 m
183.635 m
183.614 m
183.605 m
183.581 m
183.551 m
183.537 m
183.524 m
183.498 m
183.491 m
183.468 m
183.520 m
183.475 m
183.489 m
183.482 m
183.517 m
183.540 m
183.536 m
183.566 m
183.557 m
183.544 m
183.560 m
183.573 m
183.580 m
183.617 m
183.615 m
183.642 m
183.629 m
183.614 m
183.606 m
183.599 m
183.619 m
183.618 m
183.606 m
183.594 m
183.565 m
183.556 m
183.561 m
183.581 m
183.576 m
183.556 m
183.557 m
183.561 m
183.521 m
183.483 m
183.468 m
183.459 m
183.439 m
183.404 m
183.386 m
183.375 m
183.391 m
183.375 m
183.359 m
183.334 m
183.304 m
183.286 m
183.263 m
183.246 m
183.237 m
183.228 m
183.214 m
183.211 m
183.198 m
183.240 m
183.328 m
183.280 m
183.332 m
183.372 m
183.394 m
183.434 m
183.442 m
183.499 m
183.550 m
183.605 m
183.627 m
183.611 m
183.662 m
183.658 m
183.677 m
183.718 m
183.685 m
183.691 m
183.690 m
183.731 m
183.708 m
183.691 m
183.682 m
183.687 m
183.671 m
183.694 m
183.723 m
183.703 m
183.673 m
183.689 m
183.655 m
183.652 m
183.642 m
183.714 m
183.697 m
183.658 m
183.651 m
183.634 m
183.646 m
183.633 m
183.608 m
183.597 m
183.584 m
183.587 m
183.566 m
183.535 m
183.520 m
183.543 m
183.518 m
183.505 m
183.514 m
183.504 m
183.514 m
183.510 m
183.513 m
183.563 m
183.638 m
183.652 m
183.734 m
183.731 m
183.734 m
183.745 m
183.747 m
183.720 m
183.720 m
183.726 m
183.746 m
183.737 m
183.738 m
183.738 m
183.729 m
183.723 m
183.704 m
183.714 m
183.705 m
183.696 m
183.706 m
183.677 m
183.676 m
183.666 m
183.672 m
183.599 m
183.589 m
183.594 m
183.554 m
183.578 m
183.541 m
183.492 m
183.458 m
183.440 m
183.430 m
183.435 m
183.438 m
183.405 m
183.396 m
183.369 m
183.345 m
183.338 m
183.351 m
183.335 m
183.307 m
183.301 m
183.278 m
183.260 m
183.249 m
183.298 m
183.290 m
183.286 m
183.314 m
183.326 m
183.385 m
183.384 m
183.379 m
183.427 m
183.436 m
183.479 m
183.480 m
183.568 m
183.574 m
183.585 m
183.573 m
183.575 m
183.549 m
183.545 m
183.544 m
183.542 m
183.515 m
183.536 m
183.529 m
183.505 m
183.502 m
183.477 m
183.457 m
183.416 m
183.382 m
183.367 m
183.381 m
183.366 m
183.368 m
183.363 m
183.344 m
183.329 m
183.344 m
183.314 m
183.293 m
183.281 m
183.250 m
183.239 m
183.211 m
183.201 m
183.172 m
183.162 m
183.138 m
183.167 m
183.151 m
183.202 m
183.169 m
183.168 m
183.183 m
183.175 m
183.208 m
183.260 m
183.310 m
183.323 m
183.347 m
183.347 m
183.347 m
183.360 m
183.365 m
183.379 m
183.422 m
183.457 m
183.461 m
183.500 m
183.546 m
183.537 m
183.542 m
183.561 m
183.543 m
183.539 m
183.552 m
183.566 m
183.555 m
183.538 m
183.540 m
183.512 m
183.490 m
183.505 m
183.464 m
183.439 m
183.414 m
183.380 m
183.387 m
183.346 m
183.322 m
183.315 m
183.316 m
183.296 m
183.287 m
183.286 m
183.279 m
no value
no value
183.212 m
183.240 m
183.228 m
183.237 m
183.280 m
183.246 m
183.254 m
183.256 m
183.274 m
183.359 m
183.370 m
183.405 m
no value
no value
no value
no value
183.488 m
183.503 m
183.509 m
183.518 m
183.535 m
183.521 m
183.543 m
183.577 m
183.573 m
183.578 m
183.565 m
183.549 m
183.550 m
no value
183.544 m
183.537 m
183.496 m
183.482 m
The whole record since 1959, monthly averages
The whole record since 1959, monthly averages 183.0 m 183.5 m 184.0 m Highest 183.971 m Lowest 182.799 m 183.522 m
  • Level
  • Our record
Monthly averages of Lake Superior at Ontonagon from 25 July 1959 to 4 October 2026.
Table: The whole record since 1959, monthly averages
Month startingMonthly average (m)
no value
183.470 m
183.591 m
183.599 m
183.514 m
183.413 m
183.332 m
183.250 m
183.175 m
183.280 m
183.469 m
183.524 m
183.519 m
183.517 m
183.485 m
183.410 m
183.376 m
183.281 m
183.183 m
183.131 m
183.131 m
183.165 m
183.253 m
183.311 m
183.348 m
183.339 m
183.360 m
183.367 m
183.337 m
183.291 m
183.191 m
183.138 m
183.111 m
183.121 m
183.236 m
183.312 m
183.349 m
183.381 m
183.440 m
183.408 m
183.313 m
183.245 m
183.154 m
183.093 m
183.095 m
no value
183.224 m
183.325 m
183.385 m
183.402 m
183.414 m
183.384 m
183.326 m
183.254 m
183.173 m
183.103 m
183.044 m
183.067 m
183.276 m
183.377 m
183.445 m
183.469 m
183.513 m
183.470 m
183.404 m
183.367 m
183.271 m
183.181 m
183.141 m
183.187 m
183.297 m
183.355 m
183.400 m
183.406 m
183.406 m
183.423 m
183.385 m
183.355 m
183.303 m
183.228 m
183.226 m
183.238 m
183.294 m
183.397 m
183.429 m
183.483 m
183.465 m
183.419 m
183.353 m
183.332 m
183.277 m
183.228 m
183.166 m
183.264 m
183.338 m
183.412 m
183.467 m
183.481 m
183.449 m
183.404 m
183.382 m
183.316 m
183.226 m
183.125 m
183.126 m
183.197 m
183.296 m
183.467 m
183.605 m
183.693 m
183.750 m
183.757 m
183.672 m
183.541 m
no value
183.521 m
183.435 m
183.434 m
183.533 m
183.547 m
183.564 m
183.565 m
183.507 m
183.466 m
183.409 m
183.295 m
183.262 m
no value
no value
no value
no value
183.478 m
183.567 m
183.604 m
183.589 m
183.574 m
183.604 m
183.534 m
183.425 m
183.367 m
183.350 m
183.433 m
183.545 m
183.635 m
183.680 m
183.661 m
183.637 m
183.622 m
183.602 m
183.449 m
183.339 m
183.338 m
no value
no value
183.528 m
183.566 m
183.587 m
183.641 m
183.688 m
183.650 m
183.570 m
183.458 m
183.421 m
183.346 m
183.410 m
183.449 m
183.508 m
183.647 m
183.708 m
183.788 m
183.767 m
183.718 m
183.628 m
183.557 m
183.474 m
183.397 m
183.341 m
183.361 m
183.460 m
183.615 m
183.711 m
183.757 m
183.746 m
183.736 m
183.739 m
183.666 m
no value
no value
no value
183.425 m
183.525 m
183.609 m
183.673 m
183.667 m
183.625 m
183.577 m
183.558 m
183.565 m
no value
no value
no value
183.503 m
183.550 m
183.589 m
183.615 m
183.599 m
183.536 m
183.435 m
183.303 m
no value
no value
no value
no value
183.152 m
183.256 m
183.292 m
183.389 m
183.432 m
183.566 m
183.640 m
183.620 m
no value
no value
no value
no value
183.284 m
183.323 m
183.428 m
183.502 m
183.559 m
183.598 m
183.543 m
183.439 m
no value
no value
no value
no value
no value
183.493 m
183.652 m
183.684 m
183.683 m
183.664 m
183.610 m
183.601 m
no value
no value
no value
no value
183.366 m
183.374 m
183.415 m
183.455 m
183.482 m
183.528 m
183.515 m
183.447 m
183.358 m
no value
no value
no value
183.308 m
183.381 m
183.466 m
183.492 m
183.471 m
183.398 m
183.367 m
183.333 m
183.263 m
no value
no value
183.105 m
183.193 m
183.351 m
183.405 m
183.501 m
183.564 m
183.567 m
183.647 m
183.666 m
183.592 m
183.546 m
183.480 m
183.463 m
183.457 m
183.505 m
no value
183.634 m
183.616 m
183.611 m
183.619 m
183.605 m
183.577 m
183.484 m
183.443 m
183.402 m
183.411 m
183.496 m
183.594 m
183.647 m
183.649 m
183.625 m
183.605 m
183.576 m
183.543 m
183.478 m
183.412 m
183.418 m
183.465 m
183.585 m
183.669 m
183.742 m
183.807 m
183.845 m
183.909 m
183.896 m
183.803 m
183.701 m
183.629 m
183.617 m
183.689 m
183.744 m
183.761 m
183.809 m
183.838 m
183.809 m
183.788 m
183.745 m
183.676 m
183.589 m
183.513 m
183.450 m
183.415 m
183.426 m
183.480 m
183.509 m
183.561 m
183.534 m
183.472 m
183.402 m
183.376 m
183.296 m
183.221 m
183.186 m
183.210 m
183.244 m
183.267 m
183.281 m
183.391 m
183.451 m
183.427 m
183.487 m
183.488 m
183.438 m
183.347 m
183.311 m
183.344 m
183.406 m
183.535 m
183.549 m
183.541 m
183.518 m
183.401 m
183.352 m
183.272 m
183.195 m
183.129 m
183.102 m
183.077 m
183.176 m
183.262 m
183.349 m
183.362 m
183.365 m
183.393 m
183.381 m
183.317 m
183.253 m
183.171 m
183.164 m
183.233 m
183.338 m
183.375 m
183.460 m
183.447 m
183.441 m
183.435 m
183.464 m
183.452 m
183.384 m
183.308 m
183.259 m
183.236 m
183.334 m
183.368 m
183.463 m
183.475 m
183.531 m
183.546 m
183.527 m
183.485 m
183.418 m
183.336 m
183.266 m
183.269 m
183.399 m
183.506 m
183.582 m
183.627 m
183.625 m
183.583 m
183.532 m
183.482 m
183.401 m
183.338 m
183.300 m
183.320 m
183.412 m
183.479 m
183.549 m
183.564 m
183.595 m
183.572 m
183.509 m
183.426 m
183.334 m
183.243 m
183.199 m
183.211 m
183.280 m
183.324 m
183.388 m
183.413 m
183.436 m
183.499 m
183.491 m
183.421 m
183.347 m
183.325 m
183.300 m
183.333 m
183.477 m
183.611 m
183.714 m
183.794 m
183.780 m
183.731 m
183.687 m
183.647 m
183.605 m
183.540 m
183.516 m
183.578 m
183.643 m
183.665 m
183.718 m
183.683 m
183.644 m
183.624 m
183.570 m
183.490 m
183.416 m
183.357 m
183.306 m
183.360 m
183.356 m
183.403 m
183.422 m
183.385 m
183.332 m
183.265 m
183.216 m
183.192 m
183.122 m
183.112 m
183.063 m
183.129 m
183.220 m
183.331 m
183.450 m
no value
183.462 m
183.386 m
183.323 m
183.258 m
183.180 m
183.095 m
183.093 m
183.139 m
183.184 m
183.268 m
183.356 m
183.327 m
183.289 m
183.217 m
183.172 m
183.082 m
183.003 m
182.958 m
182.927 m
183.063 m
183.272 m
183.353 m
183.385 m
183.417 m
183.375 m
183.325 m
183.312 m
183.320 m
183.245 m
183.170 m
183.133 m
183.206 m
183.285 m
183.341 m
183.386 m
183.427 m
183.435 m
183.462 m
183.372 m
183.278 m
183.182 m
183.103 m
183.082 m
183.116 m
183.226 m
183.260 m
183.295 m
183.297 m
183.294 m
183.270 m
183.235 m
183.196 m
183.153 m
183.090 m
183.091 m
183.152 m
183.252 m
183.373 m
183.416 m
183.440 m
183.474 m
183.475 m
183.465 m
183.395 m
183.336 m
183.286 m
183.234 m
183.277 m
183.324 m
183.409 m
183.433 m
183.393 m
183.346 m
183.379 m
183.370 m
183.320 m
183.280 m
183.194 m
183.144 m
183.188 m
183.269 m
183.325 m
183.335 m
183.308 m
183.224 m
183.154 m
183.070 m
183.020 m
182.952 m
182.858 m
182.832 m
182.865 m
182.908 m
182.973 m
183.023 m
183.023 m
183.052 m
183.214 m
183.210 m
183.158 m
183.115 m
183.056 m
183.010 m
183.064 m
183.213 m
183.322 m
183.434 m
183.436 m
183.399 m
183.345 m
183.303 m
183.225 m
183.173 m
183.136 m
183.146 m
183.168 m
183.281 m
183.330 m
183.368 m
183.417 m
183.441 m
183.400 m
183.389 m
183.336 m
183.247 m
183.160 m
183.136 m
183.113 m
183.127 m
183.175 m
183.228 m
183.238 m
183.244 m
183.212 m
183.187 m
183.112 m
183.049 m
182.972 m
182.927 m
182.961 m
183.086 m
183.211 m
183.289 m
183.317 m
183.267 m
183.229 m
183.174 m
183.107 m
183.037 m
182.967 m
182.968 m
183.019 m
183.092 m
183.224 m
183.314 m
183.293 m
183.221 m
183.136 m
183.127 m
183.077 m
183.010 m
182.983 m
no value
182.977 m
183.166 m
183.301 m
183.400 m
183.465 m
183.499 m
183.467 m
183.426 m
183.381 m
183.302 m
183.264 m
183.240 m
183.324 m
183.510 m
183.640 m
183.689 m
183.689 m
183.725 m
183.733 m
183.690 m
183.626 m
183.571 m
183.492 m
183.456 m
183.466 m
183.562 m
183.659 m
183.719 m
183.717 m
183.715 m
183.624 m
183.619 m
183.621 m
183.581 m
183.531 m
183.515 m
183.524 m
183.544 m
183.649 m
183.722 m
183.725 m
183.742 m
183.709 m
183.619 m
183.580 m
183.523 m
183.481 m
183.430 m
183.458 m
183.608 m
183.719 m
183.791 m
183.809 m
183.838 m
183.851 m
183.807 m
183.760 m
183.685 m
183.608 m
183.563 m
183.496 m
183.535 m
183.603 m
183.684 m
183.679 m
183.731 m
183.817 m
183.809 m
183.710 m
183.660 m
183.607 m
183.610 m
183.673 m
183.817 m
183.887 m
183.897 m
183.901 m
183.904 m
183.921 m
183.855 m
183.788 m
183.757 m
183.677 m
183.652 m
183.671 m
183.694 m
183.761 m
183.811 m
183.847 m
183.836 m
183.817 m
183.762 m
183.681 m
183.592 m
183.512 m
183.488 m
183.529 m
183.561 m
183.618 m
183.611 m
183.595 m
183.567 m
183.533 m
183.439 m
183.379 m
183.299 m
183.230 m
183.250 m
183.370 m
183.530 m
183.644 m
183.695 m
183.702 m
183.696 m
183.668 m
183.677 m
183.634 m
183.581 m
183.527 m
183.510 m
183.585 m
183.737 m
183.729 m
183.736 m
183.709 m
183.684 m
183.613 m
183.528 m
183.437 m
183.375 m
183.327 m
183.275 m
183.308 m
183.402 m
183.520 m
183.569 m
183.535 m
183.503 m
183.400 m
183.363 m
183.319 m
183.235 m
183.163 m
183.170 m
183.217 m
183.338 m
183.382 m
183.500 m
183.545 m
183.552 m
183.504 m
183.407 m
183.322 m
183.286 m
183.228 m
183.252 m
183.331 m
no value
183.507 m
183.548 m
183.562 m
183.522 m
no value

4 October in the last 10 years

DayLevel
183.536 m
183.443 m
183.673 m
183.683 m
183.558 m
183.813 m
183.901 m
183.744 m
183.85 m
183.728 m

Year by year

YearDays with a valueDays below the normal range
to 2300
3650
3660
3650
3650
3650
3660
3630
3650
3650
3660
3650
3620
31790
366359
365357
365249
3650
36674
365345
365160
3650
3662
359119
3650
365105
366162
33614
36539
3650
3660
3650
3650
3650
3660
3650
36555
3650
36654
3650
3650
3650
3660
3340
3150
2720
2670
2260
2220
2390
2300
2460
3630
3620
3010
3510
2530
3340
3651
3600
3470
3411
36226
3197
3631
35213
3650
1600

Records

  • Highest daily average in our series since 25 July 1959: 183.971 m on 21 October 2019.
  • Lowest daily average in our series since 25 July 1959: 182.799 m on 3 March 2007.

See also