normal for the date

Lake Superior at Point Iroquois: history

On 4 October 2026 Lake Superior at Point Iroquois averaged 183.499 m above IGLD 1985.

That is within the normal range for the date. The normal range for 4 October is 183.31 m to 183.77 m: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 85 years between 1930 and 2025.

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

Level
Normal range for the date
Median for the date
A year earlier
Our record

Daily averages of Lake Superior at Point Iroquois 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

Day	Daily average (m)	Normal range	Median	A year earlier
7 July 2026	183.449 m	183.305 m to 183.728 m	183.527 m	183.397 m
8 July 2026	183.457 m	183.306 m to 183.732 m	183.528 m	183.385 m
9 July 2026	183.466 m	183.307 m to 183.732 m	183.528 m	183.405 m
10 July 2026	183.460 m	183.312 m to 183.732 m	183.529 m	183.383 m
11 July 2026	183.442 m	183.314 m to 183.733 m	183.531 m	183.368 m
12 July 2026	183.436 m	183.315 m to 183.734 m	183.532 m	183.375 m
13 July 2026	183.448 m	183.317 m to 183.739 m	183.534 m	183.373 m
14 July 2026	183.473 m	183.319 m to 183.742 m	183.534 m	183.386 m
15 July 2026	183.490 m	183.325 m to 183.742 m	183.536 m	183.391 m
16 July 2026	183.488 m	183.325 m to 183.745 m	183.537 m	183.462 m
17 July 2026	183.438 m	183.326 m to 183.745 m	183.537 m	183.466 m
18 July 2026	183.525 m	183.325 m to 183.746 m	183.539 m	183.423 m
19 July 2026	183.465 m	183.325 m to 183.746 m	183.544 m	183.438 m
20 July 2026	183.456 m	183.325 m to 183.749 m	183.545 m	183.455 m
21 July 2026	183.570 m	183.328 m to 183.750 m	183.547 m	183.420 m
22 July 2026	183.545 m	183.330 m to 183.751 m	183.547 m	183.388 m
23 July 2026	183.494 m	183.330 m to 183.751 m	183.550 m	183.407 m
24 July 2026	183.464 m	183.330 m to 183.754 m	183.551 m	183.472 m
25 July 2026	183.472 m	183.330 m to 183.755 m	183.553 m	183.463 m
26 July 2026	183.479 m	183.331 m to 183.757 m	183.553 m	183.450 m
27 July 2026	183.515 m	183.332 m to 183.757 m	183.553 m	183.456 m
28 July 2026	183.529 m	183.334 m to 183.757 m	183.556 m	183.485 m
29 July 2026	183.502 m	183.334 m to 183.758 m	183.559 m	183.492 m
30 July 2026	183.489 m	183.336 m to 183.760 m	183.559 m	183.506 m
31 July 2026	183.495 m	183.339 m to 183.761 m	183.559 m	183.496 m
1 August 2026	183.514 m	183.340 m to 183.764 m	183.560 m	183.479 m
2 August 2026	183.519 m	183.341 m to 183.765 m	183.563 m	183.477 m
3 August 2026	183.483 m	183.345 m to 183.766 m	183.563 m	183.473 m
4 August 2026	183.473 m	183.348 m to 183.767 m	183.562 m	183.470 m
5 August 2026	183.493 m	183.350 m to 183.768 m	183.562 m	183.452 m
6 August 2026	183.469 m	183.350 m to 183.768 m	183.562 m	183.438 m
7 August 2026	183.468 m	183.350 m to 183.769 m	183.559 m	183.428 m
8 August 2026	183.509 m	183.351 m to 183.769 m	183.559 m	183.431 m
9 August 2026	183.503 m	183.352 m to 183.772 m	183.559 m	183.437 m
10 August 2026	183.513 m	183.352 m to 183.772 m	183.562 m	183.461 m
11 August 2026	183.508 m	183.355 m to 183.775 m	183.562 m	183.482 m
12 August 2026	183.511 m	183.354 m to 183.775 m	183.559 m	183.484 m
13 August 2026	183.516 m	183.354 m to 183.776 m	183.559 m	183.516 m
14 August 2026	183.521 m	183.353 m to 183.780 m	183.559 m	183.484 m
15 August 2026	183.484 m	183.351 m to 183.784 m	183.559 m	183.459 m
16 August 2026	183.521 m	183.352 m to 183.789 m	183.559 m	183.501 m
17 August 2026	183.506 m	183.352 m to 183.791 m	183.559 m	183.488 m
18 August 2026	183.515 m	183.348 m to 183.792 m	183.559 m	183.419 m
19 August 2026	183.517 m	183.347 m to 183.792 m	183.562 m	183.449 m
20 August 2026	183.488 m	183.346 m to 183.792 m	183.562 m	183.477 m
21 August 2026	183.466 m	183.347 m to 183.792 m	183.561 m	183.460 m
22 August 2026	183.539 m	183.348 m to 183.792 m	183.559 m	183.452 m
23 August 2026	183.613 m	183.346 m to 183.791 m	183.562 m	183.508 m
24 August 2026	183.578 m	183.346 m to 183.790 m	183.562 m	183.550 m
25 August 2026	183.484 m	183.345 m to 183.790 m	183.562 m	183.582 m
26 August 2026	183.503 m	183.342 m to 183.790 m	183.562 m	183.537 m
27 August 2026	183.561 m	183.342 m to 183.790 m	183.559 m	183.510 m
28 August 2026	183.511 m	183.343 m to 183.791 m	183.559 m	183.530 m
29 August 2026	183.494 m	183.342 m to 183.791 m	183.559 m	183.489 m
30 August 2026	183.483 m	183.341 m to 183.791 m	183.556 m	183.469 m
31 August 2026	183.469 m	183.342 m to 183.789 m	183.556 m	183.463 m
1 September 2026	no value	183.342 m to 183.788 m	183.559 m	183.448 m
2 September 2026	no value	183.344 m to 183.788 m	183.559 m	183.428 m
3 September 2026	no value	183.342 m to 183.789 m	183.559 m	183.519 m
4 September 2026	no value	183.340 m to 183.789 m	183.562 m	183.505 m
5 September 2026	183.492 m	183.337 m to 183.791 m	183.562 m	183.530 m
6 September 2026	183.481 m	183.335 m to 183.791 m	183.562 m	183.533 m
7 September 2026	183.456 m	183.337 m to 183.793 m	183.560 m	183.534 m
8 September 2026	183.430 m	183.338 m to 183.800 m	183.559 m	183.459 m
9 September 2026	183.517 m	183.338 m to 183.800 m	183.559 m	183.461 m
10 September 2026	183.532 m	183.338 m to 183.800 m	183.560 m	183.507 m
11 September 2026	183.446 m	183.338 m to 183.798 m	183.561 m	183.498 m
12 September 2026	183.487 m	183.336 m to 183.793 m	183.561 m	183.465 m
13 September 2026	183.564 m	183.336 m to 183.789 m	183.562 m	183.478 m
14 September 2026	183.486 m	183.337 m to 183.788 m	183.565 m	183.477 m
15 September 2026	183.473 m	183.337 m to 183.787 m	183.566 m	183.441 m
16 September 2026	183.516 m	183.337 m to 183.785 m	183.565 m	183.442 m
17 September 2026	183.505 m	183.329 m to 183.783 m	183.565 m	183.476 m
18 September 2026	183.482 m	183.330 m to 183.783 m	183.565 m	183.502 m
19 September 2026	183.456 m	183.330 m to 183.778 m	183.562 m	183.459 m
20 September 2026	183.492 m	183.330 m to 183.776 m	183.563 m	183.404 m
21 September 2026	183.454 m	183.330 m to 183.776 m	183.563 m	183.417 m
22 September 2026	183.441 m	183.329 m to 183.777 m	183.563 m	183.462 m
23 September 2026	183.421 m	183.324 m to 183.775 m	183.564 m	183.509 m
24 September 2026	183.411 m	183.325 m to 183.773 m	183.565 m	183.498 m
25 September 2026	183.428 m	183.324 m to 183.773 m	183.562 m	183.475 m
26 September 2026	183.430 m	183.322 m to 183.771 m	183.560 m	183.484 m
27 September 2026	183.430 m	183.321 m to 183.771 m	183.558 m	183.459 m
28 September 2026	183.449 m	183.321 m to 183.772 m	183.554 m	183.458 m
29 September 2026	183.400 m	183.317 m to 183.770 m	183.553 m	183.455 m
30 September 2026	183.411 m	183.315 m to 183.768 m	183.553 m	183.442 m
1 October 2026	183.464 m	183.314 m to 183.770 m	183.554 m	183.396 m
2 October 2026	183.496 m	183.314 m to 183.769 m	183.553 m	183.387 m
3 October 2026	183.413 m	183.313 m to 183.768 m	183.553 m	183.433 m
4 October 2026	183.499 m	183.313 m to 183.767 m	183.552 m	183.404 m

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

Level
Below the normal range
Normal range for the date
Median for the date
Our record

Daily averages of Lake Superior at Point Iroquois 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

Day	Daily average (m)	Normal range	Median
4 October 2025	183.404 m	183.313 m to 183.767 m	183.552 m
5 October 2025	183.393 m	183.307 m to 183.766 m	183.550 m
6 October 2025	183.490 m	183.298 m to 183.761 m	183.551 m
7 October 2025	183.499 m	183.298 m to 183.760 m	183.550 m
8 October 2025	183.460 m	183.299 m to 183.764 m	183.550 m
9 October 2025	183.392 m	183.299 m to 183.765 m	183.550 m
10 October 2025	183.458 m	183.303 m to 183.768 m	183.548 m
11 October 2025	183.447 m	183.299 m to 183.769 m	183.548 m
12 October 2025	183.366 m	183.293 m to 183.768 m	183.547 m
13 October 2025	183.402 m	183.298 m to 183.767 m	183.546 m
14 October 2025	183.472 m	183.299 m to 183.765 m	183.544 m
15 October 2025	183.436 m	183.299 m to 183.765 m	183.541 m
16 October 2025	183.391 m	183.293 m to 183.763 m	183.537 m
17 October 2025	183.350 m	183.293 m to 183.766 m	183.534 m
18 October 2025	183.426 m	183.292 m to 183.766 m	183.531 m
19 October 2025	183.538 m	183.293 m to 183.768 m	183.530 m
20 October 2025	183.405 m	183.292 m to 183.766 m	183.529 m
21 October 2025	183.407 m	183.293 m to 183.768 m	183.527 m
22 October 2025	183.487 m	183.289 m to 183.766 m	183.528 m
23 October 2025	183.507 m	183.281 m to 183.766 m	183.527 m
24 October 2025	183.466 m	183.279 m to 183.765 m	183.522 m
25 October 2025	183.412 m	183.277 m to 183.765 m	183.519 m
26 October 2025	183.396 m	183.268 m to 183.765 m	183.517 m
27 October 2025	183.379 m	183.266 m to 183.765 m	183.517 m
28 October 2025	183.361 m	183.260 m to 183.764 m	183.518 m
29 October 2025	183.398 m	183.258 m to 183.765 m	183.517 m
30 October 2025	183.421 m	183.258 m to 183.765 m	183.517 m
31 October 2025	183.426 m	183.258 m to 183.764 m	183.516 m
1 November 2025	183.407 m	183.258 m to 183.760 m	183.516 m
2 November 2025	183.348 m	183.258 m to 183.758 m	183.516 m
3 November 2025	183.485 m	183.258 m to 183.759 m	183.513 m
4 November 2025	183.418 m	183.257 m to 183.760 m	183.513 m
5 November 2025	183.468 m	183.258 m to 183.759 m	183.511 m
6 November 2025	183.365 m	183.257 m to 183.757 m	183.508 m
7 November 2025	183.430 m	183.258 m to 183.754 m	183.507 m
8 November 2025	183.394 m	183.258 m to 183.756 m	183.506 m
9 November 2025	183.387 m	183.257 m to 183.754 m	183.504 m
10 November 2025	183.383 m	183.258 m to 183.751 m	183.504 m
11 November 2025	183.335 m	183.257 m to 183.751 m	183.503 m
12 November 2025	183.473 m	183.261 m to 183.748 m	183.499 m
13 November 2025	183.418 m	183.264 m to 183.748 m	183.497 m
14 November 2025	183.291 m	183.261 m to 183.742 m	183.495 m
15 November 2025	183.400 m	183.259 m to 183.738 m	183.493 m
16 November 2025	183.466 m	183.258 m to 183.738 m	183.493 m
17 November 2025	183.390 m	183.259 m to 183.734 m	183.495 m
18 November 2025	183.348 m	183.259 m to 183.731 m	183.495 m
19 November 2025	183.306 m	183.261 m to 183.728 m	183.492 m
20 November 2025	183.311 m	183.254 m to 183.723 m	183.492 m
21 November 2025	183.369 m	183.255 m to 183.720 m	183.492 m
22 November 2025	183.297 m	183.257 m to 183.718 m	183.492 m
23 November 2025	183.385 m	183.252 m to 183.717 m	183.492 m
24 November 2025	183.279 m	183.252 m to 183.717 m	183.492 m
25 November 2025	183.291 m	183.253 m to 183.717 m	183.490 m
26 November 2025	183.366 m	183.261 m to 183.715 m	183.489 m
27 November 2025	183.523 m	183.257 m to 183.714 m	183.489 m
28 November 2025	183.427 m	183.251 m to 183.712 m	183.488 m
29 November 2025	183.317 m	183.252 m to 183.712 m	183.486 m
30 November 2025	183.371 m	183.252 m to 183.711 m	183.486 m
1 December 2025	183.316 m	183.251 m to 183.709 m	183.480 m
2 December 2025	183.292 m	183.246 m to 183.704 m	183.476 m
3 December 2025	183.408 m	183.246 m to 183.708 m	183.476 m
4 December 2025	183.320 m	183.242 m to 183.704 m	183.475 m
5 December 2025	183.297 m	183.241 m to 183.704 m	183.470 m
6 December 2025	183.355 m	183.238 m to 183.701 m	183.467 m
7 December 2025	183.358 m	183.228 m to 183.702 m	183.466 m
8 December 2025	183.267 m	183.224 m to 183.699 m	183.461 m
9 December 2025	183.264 m	183.218 m to 183.696 m	183.458 m
10 December 2025	183.324 m	183.218 m to 183.690 m	183.455 m
11 December 2025	183.291 m	183.214 m to 183.687 m	183.452 m
12 December 2025	183.295 m	183.214 m to 183.683 m	183.448 m
13 December 2025	183.378 m	183.208 m to 183.675 m	183.446 m
14 December 2025	183.291 m	183.201 m to 183.670 m	183.440 m
15 December 2025	183.270 m	183.200 m to 183.665 m	183.435 m
16 December 2025	183.195 m	183.200 m to 183.665 m	183.434 m
17 December 2025	183.270 m	183.201 m to 183.665 m	183.431 m
18 December 2025	183.160 m	183.200 m to 183.665 m	183.428 m
19 December 2025	183.341 m	183.196 m to 183.662 m	183.425 m
20 December 2025	183.291 m	183.191 m to 183.660 m	183.421 m
21 December 2025	183.297 m	183.188 m to 183.659 m	183.418 m
22 December 2025	183.221 m	183.190 m to 183.656 m	183.416 m
23 December 2025	183.304 m	183.188 m to 183.656 m	183.413 m
24 December 2025	183.217 m	183.190 m to 183.654 m	183.410 m
25 December 2025	183.207 m	183.190 m to 183.655 m	183.411 m
26 December 2025	183.160 m	183.189 m to 183.653 m	183.408 m
27 December 2025	183.141 m	183.188 m to 183.653 m	183.406 m
28 December 2025	183.224 m	183.189 m to 183.652 m	183.400 m
29 December 2025	183.461 m	183.188 m to 183.646 m	183.400 m
30 December 2025	183.358 m	183.188 m to 183.644 m	183.397 m
31 December 2025	183.362 m	183.188 m to 183.644 m	183.394 m
1 January 2026	183.369 m	183.180 m to 183.638 m	183.393 m
2 January 2026	183.354 m	183.176 m to 183.633 m	183.390 m
3 January 2026	183.284 m	183.174 m to 183.632 m	183.388 m
4 January 2026	183.209 m	183.174 m to 183.631 m	183.386 m
5 January 2026	183.195 m	183.172 m to 183.630 m	183.385 m
6 January 2026	183.202 m	183.171 m to 183.627 m	183.382 m
7 January 2026	183.197 m	183.166 m to 183.623 m	183.381 m
8 January 2026	183.160 m	183.161 m to 183.623 m	183.379 m
9 January 2026	183.296 m	183.160 m to 183.621 m	183.379 m
10 January 2026	183.192 m	183.156 m to 183.619 m	183.377 m
11 January 2026	183.259 m	183.154 m to 183.616 m	183.376 m
12 January 2026	183.237 m	183.153 m to 183.614 m	183.373 m
13 January 2026	183.226 m	183.151 m to 183.612 m	183.371 m
14 January 2026	183.316 m	183.147 m to 183.611 m	183.370 m
15 January 2026	183.189 m	183.143 m to 183.608 m	183.370 m
16 January 2026	183.148 m	183.140 m to 183.607 m	183.370 m
17 January 2026	183.246 m	183.139 m to 183.604 m	183.367 m
18 January 2026	183.199 m	183.137 m to 183.603 m	183.364 m
19 January 2026	183.315 m	183.135 m to 183.601 m	183.364 m
20 January 2026	183.288 m	183.133 m to 183.596 m	183.361 m
21 January 2026	183.224 m	183.132 m to 183.598 m	183.355 m
22 January 2026	183.358 m	183.129 m to 183.593 m	183.352 m
23 January 2026	183.315 m	183.129 m to 183.589 m	183.348 m
24 January 2026	183.213 m	183.128 m to 183.588 m	183.345 m
25 January 2026	183.217 m	183.129 m to 183.585 m	183.345 m
26 January 2026	183.220 m	183.122 m to 183.584 m	183.345 m
27 January 2026	183.269 m	183.116 m to 183.580 m	183.342 m
28 January 2026	183.236 m	183.115 m to 183.577 m	183.339 m
29 January 2026	183.181 m	183.107 m to 183.576 m	183.339 m
30 January 2026	183.220 m	183.110 m to 183.574 m	183.336 m
31 January 2026	183.184 m	183.107 m to 183.577 m	183.336 m
1 February 2026	183.117 m	183.104 m to 183.577 m	183.333 m
2 February 2026	183.202 m	183.103 m to 183.572 m	183.330 m
3 February 2026	183.194 m	183.103 m to 183.568 m	183.327 m
4 February 2026	183.166 m	183.100 m to 183.566 m	183.326 m
5 February 2026	183.142 m	183.097 m to 183.566 m	183.324 m
6 February 2026	183.265 m	183.097 m to 183.564 m	183.321 m
7 February 2026	183.183 m	183.089 m to 183.560 m	183.318 m
8 February 2026	183.098 m	183.086 m to 183.557 m	183.318 m
9 February 2026	183.083 m	183.085 m to 183.556 m	183.315 m
10 February 2026	183.192 m	183.085 m to 183.550 m	183.310 m
11 February 2026	183.206 m	183.083 m to 183.547 m	183.309 m
12 February 2026	183.141 m	183.081 m to 183.546 m	183.306 m
13 February 2026	183.142 m	183.081 m to 183.540 m	183.303 m
14 February 2026	183.117 m	183.078 m to 183.534 m	183.303 m
15 February 2026	183.119 m	183.076 m to 183.530 m	183.302 m
16 February 2026	183.123 m	183.074 m to 183.525 m	183.300 m
17 February 2026	183.120 m	183.071 m to 183.525 m	183.297 m
18 February 2026	183.007 m	183.066 m to 183.525 m	183.294 m
19 February 2026	183.078 m	183.061 m to 183.522 m	183.291 m
20 February 2026	183.174 m	183.060 m to 183.519 m	183.289 m
21 February 2026	183.202 m	183.057 m to 183.516 m	183.287 m
22 February 2026	183.238 m	183.053 m to 183.516 m	183.287 m
23 February 2026	183.196 m	183.051 m to 183.515 m	183.282 m
24 February 2026	183.072 m	183.052 m to 183.513 m	183.279 m
25 February 2026	183.240 m	183.051 m to 183.512 m	183.279 m
26 February 2026	183.152 m	183.050 m to 183.510 m	183.278 m
27 February 2026	183.172 m	183.046 m to 183.510 m	183.278 m
28 February 2026	183.231 m	183.041 m to 183.510 m	183.276 m
1 March 2026	183.147 m	183.039 m to 183.510 m	183.273 m
2 March 2026	183.103 m	183.041 m to 183.507 m	183.271 m
3 March 2026	183.125 m	183.041 m to 183.507 m	183.269 m
4 March 2026	183.125 m	183.040 m to 183.504 m	183.267 m
5 March 2026	183.109 m	183.039 m to 183.505 m	183.263 m
6 March 2026	183.081 m	183.039 m to 183.504 m	183.263 m
7 March 2026	183.171 m	183.039 m to 183.504 m	183.262 m
8 March 2026	183.107 m	183.038 m to 183.501 m	183.261 m
9 March 2026	183.144 m	183.035 m to 183.501 m	183.259 m
10 March 2026	183.153 m	183.034 m to 183.500 m	183.259 m
11 March 2026	183.196 m	183.031 m to 183.498 m	183.257 m
12 March 2026	183.137 m	183.031 m to 183.496 m	183.256 m
13 March 2026	183.118 m	183.028 m to 183.497 m	183.255 m
14 March 2026	183.128 m	183.028 m to 183.498 m	183.255 m
15 March 2026	183.124 m	183.031 m to 183.497 m	183.253 m
16 March 2026	183.253 m	183.029 m to 183.496 m	183.251 m
17 March 2026	183.158 m	183.027 m to 183.494 m	183.247 m
18 March 2026	183.104 m	183.028 m to 183.492 m	183.245 m
19 March 2026	183.140 m	183.029 m to 183.491 m	183.245 m
20 March 2026	183.139 m	183.029 m to 183.490 m	183.242 m
21 March 2026	183.105 m	183.029 m to 183.490 m	183.242 m
22 March 2026	183.191 m	183.031 m to 183.490 m	183.242 m
23 March 2026	183.140 m	183.030 m to 183.484 m	183.236 m
24 March 2026	183.146 m	183.028 m to 183.483 m	183.233 m
25 March 2026	183.106 m	183.029 m to 183.483 m	183.233 m
26 March 2026	183.184 m	183.028 m to 183.484 m	183.233 m
27 March 2026	183.177 m	183.029 m to 183.483 m	183.234 m
28 March 2026	183.150 m	183.029 m to 183.483 m	183.235 m
29 March 2026	183.117 m	183.029 m to 183.480 m	183.237 m
30 March 2026	183.151 m	183.026 m to 183.480 m	183.237 m
31 March 2026	183.168 m	183.029 m to 183.479 m	183.239 m
1 April 2026	no value	183.032 m to 183.479 m	183.240 m
2 April 2026	183.084 m	183.033 m to 183.479 m	183.241 m
3 April 2026	183.183 m	183.034 m to 183.479 m	183.243 m
4 April 2026	183.127 m	183.035 m to 183.479 m	183.243 m
5 April 2026	183.228 m	183.046 m to 183.483 m	183.244 m
6 April 2026	183.223 m	183.035 m to 183.483 m	183.245 m
7 April 2026	183.155 m	183.039 m to 183.482 m	183.244 m
8 April 2026	183.064 m	183.046 m to 183.483 m	183.246 m
9 April 2026	183.192 m	183.051 m to 183.480 m	183.248 m
10 April 2026	183.171 m	183.056 m to 183.480 m	183.250 m
11 April 2026	183.139 m	183.057 m to 183.481 m	183.251 m
12 April 2026	183.072 m	183.060 m to 183.484 m	183.254 m
13 April 2026	183.200 m	183.061 m to 183.492 m	183.256 m
14 April 2026	183.172 m	183.063 m to 183.492 m	183.260 m
15 April 2026	183.197 m	183.063 m to 183.497 m	183.263 m
16 April 2026	183.195 m	183.064 m to 183.504 m	183.266 m
17 April 2026	183.125 m	183.067 m to 183.508 m	183.269 m
18 April 2026	183.299 m	183.067 m to 183.510 m	183.272 m
19 April 2026	183.288 m	183.074 m to 183.513 m	183.281 m
20 April 2026	183.197 m	183.077 m to 183.516 m	183.284 m
21 April 2026	183.223 m	183.087 m to 183.520 m	183.287 m
22 April 2026	183.220 m	183.089 m to 183.526 m	183.291 m
23 April 2026	183.165 m	183.095 m to 183.529 m	183.294 m
24 April 2026	183.201 m	183.098 m to 183.534 m	183.297 m
25 April 2026	183.266 m	183.098 m to 183.538 m	183.300 m
26 April 2026	183.262 m	183.100 m to 183.543 m	183.304 m
27 April 2026	183.189 m	183.105 m to 183.544 m	183.306 m
28 April 2026	183.339 m	183.107 m to 183.550 m	183.312 m
29 April 2026	183.330 m	183.109 m to 183.556 m	183.318 m
30 April 2026	183.348 m	183.110 m to 183.558 m	183.322 m
1 May 2026	no value	183.114 m to 183.559 m	183.324 m
2 May 2026	183.327 m	183.116 m to 183.562 m	183.329 m
3 May 2026	183.309 m	183.120 m to 183.564 m	183.332 m
4 May 2026	183.316 m	183.121 m to 183.570 m	183.334 m
5 May 2026	183.363 m	183.125 m to 183.575 m	183.339 m
6 May 2026	183.355 m	183.129 m to 183.580 m	183.348 m
7 May 2026	183.342 m	183.136 m to 183.581 m	183.350 m
8 May 2026	183.331 m	183.140 m to 183.581 m	183.358 m
9 May 2026	183.379 m	183.141 m to 183.583 m	183.364 m
10 May 2026	183.382 m	183.144 m to 183.586 m	183.367 m
11 May 2026	183.359 m	183.152 m to 183.589 m	183.367 m
12 May 2026	183.300 m	183.156 m to 183.595 m	183.373 m
13 May 2026	183.419 m	183.158 m to 183.604 m	183.375 m
14 May 2026	183.354 m	183.162 m to 183.605 m	183.377 m
15 May 2026	183.306 m	183.166 m to 183.607 m	183.381 m
16 May 2026	183.371 m	183.172 m to 183.610 m	183.385 m
17 May 2026	183.366 m	183.177 m to 183.610 m	183.386 m
18 May 2026	183.355 m	183.183 m to 183.609 m	183.388 m
19 May 2026	183.409 m	183.187 m to 183.608 m	183.390 m
20 May 2026	183.424 m	183.190 m to 183.609 m	183.391 m
21 May 2026	183.391 m	183.193 m to 183.611 m	183.396 m
22 May 2026	183.370 m	183.194 m to 183.611 m	183.397 m
23 May 2026	183.348 m	183.197 m to 183.613 m	183.397 m
24 May 2026	183.387 m	183.201 m to 183.612 m	183.403 m
25 May 2026	183.382 m	183.204 m to 183.612 m	183.403 m
26 May 2026	183.416 m	183.208 m to 183.614 m	183.406 m
27 May 2026	183.426 m	183.214 m to 183.617 m	183.412 m
28 May 2026	183.418 m	183.215 m to 183.617 m	183.415 m
29 May 2026	183.412 m	183.217 m to 183.623 m	183.417 m
30 May 2026	183.398 m	183.219 m to 183.625 m	183.419 m
31 May 2026	183.406 m	183.219 m to 183.627 m	183.425 m
1 June 2026	183.406 m	183.221 m to 183.629 m	183.428 m
2 June 2026	183.409 m	183.222 m to 183.632 m	183.434 m
3 June 2026	183.387 m	183.224 m to 183.634 m	183.437 m
4 June 2026	183.377 m	183.227 m to 183.638 m	183.440 m
5 June 2026	183.394 m	183.227 m to 183.639 m	183.443 m
6 June 2026	183.437 m	183.230 m to 183.645 m	183.443 m
7 June 2026	183.402 m	183.233 m to 183.646 m	183.448 m
8 June 2026	183.380 m	183.234 m to 183.652 m	183.452 m
9 June 2026	183.419 m	183.236 m to 183.655 m	183.455 m
10 June 2026	183.389 m	183.236 m to 183.657 m	183.458 m
11 June 2026	183.415 m	183.237 m to 183.659 m	183.461 m
12 June 2026	183.434 m	183.240 m to 183.659 m	183.465 m
13 June 2026	183.438 m	183.241 m to 183.663 m	183.470 m
14 June 2026	183.464 m	183.244 m to 183.666 m	183.471 m
15 June 2026	183.430 m	183.246 m to 183.668 m	183.476 m
16 June 2026	183.444 m	183.247 m to 183.672 m	183.478 m
17 June 2026	183.430 m	183.250 m to 183.681 m	183.480 m
18 June 2026	183.479 m	183.254 m to 183.682 m	183.483 m
19 June 2026	183.462 m	183.258 m to 183.684 m	183.486 m
20 June 2026	183.452 m	183.263 m to 183.684 m	183.489 m
21 June 2026	183.450 m	183.266 m to 183.686 m	183.492 m
22 June 2026	183.468 m	183.269 m to 183.692 m	183.495 m
23 June 2026	183.451 m	183.270 m to 183.696 m	183.497 m
24 June 2026	183.435 m	183.274 m to 183.698 m	183.504 m
25 June 2026	183.450 m	183.278 m to 183.701 m	183.507 m
26 June 2026	183.443 m	183.282 m to 183.704 m	183.510 m
27 June 2026	183.436 m	183.284 m to 183.705 m	183.513 m
28 June 2026	183.418 m	183.285 m to 183.708 m	183.514 m
29 June 2026	183.380 m	183.289 m to 183.708 m	183.514 m
30 June 2026	183.410 m	183.291 m to 183.711 m	183.515 m
1 July 2026	183.435 m	183.295 m to 183.715 m	183.517 m
2 July 2026	183.447 m	183.297 m to 183.719 m	183.519 m
3 July 2026	183.461 m	183.299 m to 183.720 m	183.522 m
4 July 2026	183.472 m	183.300 m to 183.723 m	183.522 m
5 July 2026	183.468 m	183.303 m to 183.723 m	183.522 m
6 July 2026	183.453 m	183.305 m to 183.726 m	183.525 m
7 July 2026	183.449 m	183.305 m to 183.728 m	183.527 m
8 July 2026	183.457 m	183.306 m to 183.732 m	183.528 m
9 July 2026	183.466 m	183.307 m to 183.732 m	183.528 m
10 July 2026	183.460 m	183.312 m to 183.732 m	183.529 m
11 July 2026	183.442 m	183.314 m to 183.733 m	183.531 m
12 July 2026	183.436 m	183.315 m to 183.734 m	183.532 m
13 July 2026	183.448 m	183.317 m to 183.739 m	183.534 m
14 July 2026	183.473 m	183.319 m to 183.742 m	183.534 m
15 July 2026	183.490 m	183.325 m to 183.742 m	183.536 m
16 July 2026	183.488 m	183.325 m to 183.745 m	183.537 m
17 July 2026	183.438 m	183.326 m to 183.745 m	183.537 m
18 July 2026	183.525 m	183.325 m to 183.746 m	183.539 m
19 July 2026	183.465 m	183.325 m to 183.746 m	183.544 m
20 July 2026	183.456 m	183.325 m to 183.749 m	183.545 m
21 July 2026	183.570 m	183.328 m to 183.750 m	183.547 m
22 July 2026	183.545 m	183.330 m to 183.751 m	183.547 m
23 July 2026	183.494 m	183.330 m to 183.751 m	183.550 m
24 July 2026	183.464 m	183.330 m to 183.754 m	183.551 m
25 July 2026	183.472 m	183.330 m to 183.755 m	183.553 m
26 July 2026	183.479 m	183.331 m to 183.757 m	183.553 m
27 July 2026	183.515 m	183.332 m to 183.757 m	183.553 m
28 July 2026	183.529 m	183.334 m to 183.757 m	183.556 m
29 July 2026	183.502 m	183.334 m to 183.758 m	183.559 m
30 July 2026	183.489 m	183.336 m to 183.760 m	183.559 m
31 July 2026	183.495 m	183.339 m to 183.761 m	183.559 m
1 August 2026	183.514 m	183.340 m to 183.764 m	183.560 m
2 August 2026	183.519 m	183.341 m to 183.765 m	183.563 m
3 August 2026	183.483 m	183.345 m to 183.766 m	183.563 m
4 August 2026	183.473 m	183.348 m to 183.767 m	183.562 m
5 August 2026	183.493 m	183.350 m to 183.768 m	183.562 m
6 August 2026	183.469 m	183.350 m to 183.768 m	183.562 m
7 August 2026	183.468 m	183.350 m to 183.769 m	183.559 m
8 August 2026	183.509 m	183.351 m to 183.769 m	183.559 m
9 August 2026	183.503 m	183.352 m to 183.772 m	183.559 m
10 August 2026	183.513 m	183.352 m to 183.772 m	183.562 m
11 August 2026	183.508 m	183.355 m to 183.775 m	183.562 m
12 August 2026	183.511 m	183.354 m to 183.775 m	183.559 m
13 August 2026	183.516 m	183.354 m to 183.776 m	183.559 m
14 August 2026	183.521 m	183.353 m to 183.780 m	183.559 m
15 August 2026	183.484 m	183.351 m to 183.784 m	183.559 m
16 August 2026	183.521 m	183.352 m to 183.789 m	183.559 m
17 August 2026	183.506 m	183.352 m to 183.791 m	183.559 m
18 August 2026	183.515 m	183.348 m to 183.792 m	183.559 m
19 August 2026	183.517 m	183.347 m to 183.792 m	183.562 m
20 August 2026	183.488 m	183.346 m to 183.792 m	183.562 m
21 August 2026	183.466 m	183.347 m to 183.792 m	183.561 m
22 August 2026	183.539 m	183.348 m to 183.792 m	183.559 m
23 August 2026	183.613 m	183.346 m to 183.791 m	183.562 m
24 August 2026	183.578 m	183.346 m to 183.790 m	183.562 m
25 August 2026	183.484 m	183.345 m to 183.790 m	183.562 m
26 August 2026	183.503 m	183.342 m to 183.790 m	183.562 m
27 August 2026	183.561 m	183.342 m to 183.790 m	183.559 m
28 August 2026	183.511 m	183.343 m to 183.791 m	183.559 m
29 August 2026	183.494 m	183.342 m to 183.791 m	183.559 m
30 August 2026	183.483 m	183.341 m to 183.791 m	183.556 m
31 August 2026	183.469 m	183.342 m to 183.789 m	183.556 m
1 September 2026	no value	183.342 m to 183.788 m	183.559 m
2 September 2026	no value	183.344 m to 183.788 m	183.559 m
3 September 2026	no value	183.342 m to 183.789 m	183.559 m
4 September 2026	no value	183.340 m to 183.789 m	183.562 m
5 September 2026	183.492 m	183.337 m to 183.791 m	183.562 m
6 September 2026	183.481 m	183.335 m to 183.791 m	183.562 m
7 September 2026	183.456 m	183.337 m to 183.793 m	183.560 m
8 September 2026	183.430 m	183.338 m to 183.800 m	183.559 m
9 September 2026	183.517 m	183.338 m to 183.800 m	183.559 m
10 September 2026	183.532 m	183.338 m to 183.800 m	183.560 m
11 September 2026	183.446 m	183.338 m to 183.798 m	183.561 m
12 September 2026	183.487 m	183.336 m to 183.793 m	183.561 m
13 September 2026	183.564 m	183.336 m to 183.789 m	183.562 m
14 September 2026	183.486 m	183.337 m to 183.788 m	183.565 m
15 September 2026	183.473 m	183.337 m to 183.787 m	183.566 m
16 September 2026	183.516 m	183.337 m to 183.785 m	183.565 m
17 September 2026	183.505 m	183.329 m to 183.783 m	183.565 m
18 September 2026	183.482 m	183.330 m to 183.783 m	183.565 m
19 September 2026	183.456 m	183.330 m to 183.778 m	183.562 m
20 September 2026	183.492 m	183.330 m to 183.776 m	183.563 m
21 September 2026	183.454 m	183.330 m to 183.776 m	183.563 m
22 September 2026	183.441 m	183.329 m to 183.777 m	183.563 m
23 September 2026	183.421 m	183.324 m to 183.775 m	183.564 m
24 September 2026	183.411 m	183.325 m to 183.773 m	183.565 m
25 September 2026	183.428 m	183.324 m to 183.773 m	183.562 m
26 September 2026	183.430 m	183.322 m to 183.771 m	183.560 m
27 September 2026	183.430 m	183.321 m to 183.771 m	183.558 m
28 September 2026	183.449 m	183.321 m to 183.772 m	183.554 m
29 September 2026	183.400 m	183.317 m to 183.770 m	183.553 m
30 September 2026	183.411 m	183.315 m to 183.768 m	183.553 m
1 October 2026	183.464 m	183.314 m to 183.770 m	183.554 m
2 October 2026	183.496 m	183.314 m to 183.769 m	183.553 m
3 October 2026	183.413 m	183.313 m to 183.768 m	183.553 m
4 October 2026	183.499 m	183.313 m to 183.767 m	183.552 m

The last 10 years, weekly averages

Level
Our record

Weekly averages of Lake Superior at Point Iroquois from the week of 3 October 2016 to 4 October 2026.

Table: The last 10 years, weekly averages

Week starting	Weekly average (m)
3 October 2016	183.678 m
10 October 2016	183.657 m
17 October 2016	183.692 m
24 October 2016	183.644 m
31 October 2016	183.603 m
7 November 2016	183.622 m
14 November 2016	183.610 m
21 November 2016	183.554 m
28 November 2016	183.546 m
5 December 2016	183.578 m
12 December 2016	183.629 m
19 December 2016	183.510 m
26 December 2016	183.510 m
2 January 2017	183.541 m
9 January 2017	183.505 m
16 January 2017	183.428 m
23 January 2017	183.490 m
30 January 2017	183.487 m
6 February 2017	183.457 m
13 February 2017	183.420 m
20 February 2017	183.411 m
27 February 2017	183.388 m
6 March 2017	183.457 m
13 March 2017	183.369 m
20 March 2017	183.358 m
27 March 2017	183.354 m
3 April 2017	183.368 m
10 April 2017	183.372 m
17 April 2017	183.415 m
24 April 2017	183.452 m
1 May 2017	183.535 m
8 May 2017	183.514 m
15 May 2017	183.540 m
22 May 2017	183.591 m
29 May 2017	183.610 m
5 June 2017	183.622 m
12 June 2017	183.634 m
19 June 2017	183.692 m
26 June 2017	183.715 m
3 July 2017	183.733 m
10 July 2017	183.743 m
17 July 2017	183.738 m
24 July 2017	183.746 m
31 July 2017	183.766 m
7 August 2017	183.769 m
14 August 2017	183.767 m
21 August 2017	183.805 m
28 August 2017	183.763 m
4 September 2017	183.803 m
11 September 2017	183.755 m
18 September 2017	183.764 m
25 September 2017	183.818 m
2 October 2017	183.801 m
9 October 2017	183.817 m
16 October 2017	183.760 m
23 October 2017	183.813 m
30 October 2017	183.823 m
6 November 2017	183.813 m
13 November 2017	183.773 m
20 November 2017	183.786 m
27 November 2017	183.713 m
4 December 2017	183.778 m
11 December 2017	183.731 m
18 December 2017	183.728 m
25 December 2017	183.731 m
1 January 2018	183.724 m
8 January 2018	183.673 m
15 January 2018	183.637 m
22 January 2018	183.619 m
29 January 2018	183.638 m
5 February 2018	183.615 m
12 February 2018	183.569 m
19 February 2018	183.563 m
26 February 2018	183.568 m
5 March 2018	183.559 m
12 March 2018	183.555 m
19 March 2018	183.502 m
26 March 2018	183.496 m
2 April 2018	183.501 m
9 April 2018	183.440 m
16 April 2018	183.478 m
23 April 2018	183.469 m
30 April 2018	183.459 m
7 May 2018	183.490 m
14 May 2018	183.493 m
21 May 2018	183.482 m
28 May 2018	183.509 m
4 June 2018	183.538 m
11 June 2018	183.519 m
18 June 2018	183.584 m
25 June 2018	183.560 m
2 July 2018	183.610 m
9 July 2018	183.630 m
16 July 2018	183.658 m
23 July 2018	183.664 m
30 July 2018	183.644 m
6 August 2018	183.660 m
13 August 2018	183.643 m
20 August 2018	183.629 m
27 August 2018	183.643 m
3 September 2018	183.689 m
10 September 2018	183.631 m
17 September 2018	183.678 m
24 September 2018	183.677 m
1 October 2018	183.687 m
8 October 2018	183.772 m
15 October 2018	183.838 m
22 October 2018	183.776 m
29 October 2018	183.764 m
5 November 2018	183.795 m
12 November 2018	183.794 m
19 November 2018	183.731 m
26 November 2018	183.739 m
3 December 2018	183.722 m
10 December 2018	183.649 m
17 December 2018	183.654 m
24 December 2018	183.626 m
31 December 2018	183.636 m
7 January 2019	183.634 m
14 January 2019	183.646 m
21 January 2019	183.602 m
28 January 2019	183.591 m
4 February 2019	183.599 m
11 February 2019	183.575 m
18 February 2019	183.572 m
25 February 2019	183.606 m
4 March 2019	183.559 m
11 March 2019	183.568 m
18 March 2019	183.569 m
25 March 2019	183.559 m
1 April 2019	183.536 m
8 April 2019	183.570 m
15 April 2019	183.598 m
22 April 2019	183.672 m
29 April 2019	183.664 m
6 May 2019	183.717 m
13 May 2019	183.756 m
20 May 2019	183.786 m
27 May 2019	183.813 m
3 June 2019	183.803 m
10 June 2019	183.849 m
17 June 2019	183.834 m
24 June 2019	183.833 m
1 July 2019	183.839 m
8 July 2019	183.834 m
15 July 2019	183.833 m
22 July 2019	183.844 m
29 July 2019	183.870 m
5 August 2019	183.878 m
12 August 2019	183.845 m
19 August 2019	183.852 m
26 August 2019	183.842 m
2 September 2019	183.863 m
9 September 2019	183.814 m
16 September 2019	183.815 m
23 September 2019	183.866 m
30 September 2019	183.832 m
7 October 2019	183.807 m
14 October 2019	183.863 m
21 October 2019	183.854 m
28 October 2019	183.881 m
4 November 2019	183.879 m
11 November 2019	183.790 m
18 November 2019	183.795 m
25 November 2019	183.762 m
2 December 2019	183.779 m
9 December 2019	183.781 m
16 December 2019	183.713 m
23 December 2019	183.662 m
30 December 2019	183.743 m
6 January 2020	183.746 m
13 January 2020	183.697 m
20 January 2020	183.698 m
27 January 2020	183.683 m
3 February 2020	183.684 m
10 February 2020	183.662 m
17 February 2020	183.638 m
24 February 2020	183.629 m
2 March 2020	183.565 m
9 March 2020	183.601 m
16 March 2020	183.558 m
23 March 2020	183.538 m
30 March 2020	183.593 m
6 April 2020	183.616 m
13 April 2020	183.650 m
20 April 2020	183.622 m
27 April 2020	183.612 m
4 May 2020	183.654 m
11 May 2020	183.619 m
18 May 2020	183.613 m
25 May 2020	183.644 m
1 June 2020	183.658 m
8 June 2020	183.680 m
15 June 2020	183.669 m
22 June 2020	183.723 m
29 June 2020	183.703 m
6 July 2020	183.726 m
13 July 2020	183.733 m
20 July 2020	183.786 m
27 July 2020	183.816 m
3 August 2020	183.781 m
10 August 2020	183.800 m
17 August 2020	183.813 m
24 August 2020	183.806 m
31 August 2020	183.812 m
7 September 2020	183.822 m
14 September 2020	183.781 m
21 September 2020	183.745 m
28 September 2020	183.807 m
5 October 2020	183.754 m
12 October 2020	183.760 m
19 October 2020	183.772 m
26 October 2020	183.759 m
2 November 2020	183.693 m
9 November 2020	183.726 m
16 November 2020	183.740 m
23 November 2020	183.699 m
30 November 2020	183.708 m
7 December 2020	183.660 m
14 December 2020	183.613 m
21 December 2020	183.623 m
28 December 2020	183.591 m
4 January 2021	183.567 m
11 January 2021	183.536 m
18 January 2021	183.555 m
25 January 2021	183.522 m
1 February 2021	183.512 m
8 February 2021	183.506 m
15 February 2021	183.461 m
22 February 2021	183.437 m
1 March 2021	183.448 m
8 March 2021	183.415 m
15 March 2021	183.376 m
22 March 2021	183.422 m
29 March 2021	183.396 m
5 April 2021	183.392 m
12 April 2021	183.489 m
19 April 2021	183.525 m
26 April 2021	183.490 m
3 May 2021	183.516 m
10 May 2021	183.488 m
17 May 2021	183.464 m
24 May 2021	183.511 m
31 May 2021	183.489 m
7 June 2021	183.515 m
14 June 2021	183.554 m
21 June 2021	183.567 m
28 June 2021	183.565 m
5 July 2021	183.560 m
12 July 2021	183.541 m
19 July 2021	183.530 m
26 July 2021	183.568 m
2 August 2021	183.535 m
9 August 2021	183.529 m
16 August 2021	183.510 m
23 August 2021	183.488 m
30 August 2021	183.522 m
6 September 2021	183.531 m
13 September 2021	183.473 m
20 September 2021	183.509 m
27 September 2021	183.482 m
4 October 2021	183.461 m
11 October 2021	183.508 m
18 October 2021	183.493 m
25 October 2021	183.442 m
1 November 2021	183.414 m
8 November 2021	183.377 m
15 November 2021	183.391 m
22 November 2021	183.373 m
29 November 2021	183.344 m
6 December 2021	183.338 m
13 December 2021	183.291 m
20 December 2021	183.316 m
27 December 2021	183.290 m
3 January 2022	183.271 m
10 January 2022	183.243 m
17 January 2022	183.248 m
24 January 2022	183.213 m
31 January 2022	183.165 m
7 February 2022	183.176 m
14 February 2022	183.171 m
21 February 2022	183.171 m
28 February 2022	183.152 m
7 March 2022	183.173 m
14 March 2022	183.136 m
21 March 2022	183.161 m
28 March 2022	183.148 m
4 April 2022	183.161 m
11 April 2022	183.213 m
18 April 2022	183.226 m
25 April 2022	183.300 m
2 May 2022	183.337 m
9 May 2022	183.365 m
16 May 2022	183.461 m
23 May 2022	183.482 m
30 May 2022	183.510 m
6 June 2022	183.542 m
13 June 2022	183.534 m
20 June 2022	183.556 m
27 June 2022	183.580 m
4 July 2022	183.596 m
11 July 2022	183.607 m
18 July 2022	183.608 m
25 July 2022	183.631 m
1 August 2022	183.642 m
8 August 2022	183.658 m
15 August 2022	183.636 m
22 August 2022	183.624 m
29 August 2022	183.650 m
5 September 2022	183.617 m
12 September 2022	183.615 m
19 September 2022	183.691 m
26 September 2022	183.670 m
3 October 2022	183.634 m
10 October 2022	183.599 m
17 October 2022	183.636 m
24 October 2022	183.558 m
31 October 2022	183.545 m
7 November 2022	183.625 m
14 November 2022	183.631 m
21 November 2022	183.615 m
28 November 2022	183.620 m
5 December 2022	183.567 m
12 December 2022	183.503 m
19 December 2022	183.665 m
26 December 2022	183.545 m
2 January 2023	183.530 m
9 January 2023	183.482 m
16 January 2023	183.496 m
23 January 2023	183.516 m
30 January 2023	183.530 m
6 February 2023	183.463 m
13 February 2023	183.464 m
20 February 2023	183.457 m
27 February 2023	183.428 m
6 March 2023	183.417 m
13 March 2023	183.448 m
20 March 2023	183.429 m
27 March 2023	183.413 m
3 April 2023	183.395 m
10 April 2023	183.403 m
17 April 2023	183.515 m
24 April 2023	183.544 m
1 May 2023	183.634 m
8 May 2023	183.646 m
15 May 2023	183.665 m
22 May 2023	183.662 m
29 May 2023	183.653 m
5 June 2023	183.684 m
12 June 2023	183.679 m
19 June 2023	183.636 m
26 June 2023	183.673 m
3 July 2023	183.678 m
10 July 2023	183.670 m
17 July 2023	183.682 m
24 July 2023	183.680 m
31 July 2023	183.677 m
7 August 2023	183.682 m
14 August 2023	183.686 m
21 August 2023	183.653 m
28 August 2023	183.639 m
4 September 2023	183.646 m
11 September 2023	183.628 m
18 September 2023	183.571 m
25 September 2023	183.547 m
2 October 2023	183.574 m
9 October 2023	183.591 m
16 October 2023	183.524 m
23 October 2023	183.515 m
30 October 2023	183.497 m
6 November 2023	183.462 m
13 November 2023	183.476 m
20 November 2023	183.460 m
27 November 2023	183.430 m
4 December 2023	183.366 m
11 December 2023	183.384 m
18 December 2023	183.340 m
25 December 2023	183.356 m
1 January 2024	183.361 m
8 January 2024	183.349 m
15 January 2024	183.347 m
22 January 2024	183.275 m
29 January 2024	183.267 m
5 February 2024	183.246 m
12 February 2024	183.298 m
19 February 2024	183.233 m
26 February 2024	183.207 m
4 March 2024	183.232 m
11 March 2024	183.222 m
18 March 2024	183.224 m
25 March 2024	183.195 m
1 April 2024	183.219 m
8 April 2024	183.225 m
15 April 2024	183.234 m
22 April 2024	183.226 m
29 April 2024	183.269 m
6 May 2024	183.296 m
13 May 2024	183.296 m
20 May 2024	183.311 m
27 May 2024	183.360 m
3 June 2024	183.377 m
10 June 2024	183.388 m
17 June 2024	183.443 m
24 June 2024	183.495 m
1 July 2024	183.493 m
8 July 2024	183.503 m
15 July 2024	183.528 m
22 July 2024	183.491 m
29 July 2024	183.494 m
5 August 2024	183.512 m
12 August 2024	183.488 m
19 August 2024	183.464 m
26 August 2024	183.459 m
2 September 2024	183.477 m
9 September 2024	183.418 m
16 September 2024	183.395 m
23 September 2024	183.412 m
30 September 2024	183.394 m
7 October 2024	183.388 m
14 October 2024	183.312 m
21 October 2024	183.322 m
28 October 2024	183.256 m
4 November 2024	183.303 m
11 November 2024	183.268 m
18 November 2024	183.289 m
25 November 2024	183.359 m
2 December 2024	183.308 m
9 December 2024	183.265 m
16 December 2024	183.245 m
23 December 2024	183.188 m
30 December 2024	183.309 m
6 January 2025	183.180 m
13 January 2025	183.224 m
20 January 2025	183.180 m
27 January 2025	183.150 m
3 February 2025	183.171 m
10 February 2025	183.120 m
17 February 2025	183.104 m
24 February 2025	183.079 m
3 March 2025	183.096 m
10 March 2025	183.059 m
17 March 2025	183.062 m
24 March 2025	183.077 m
31 March 2025	183.071 m
7 April 2025	183.075 m
14 April 2025	183.127 m
21 April 2025	183.164 m
28 April 2025	183.216 m
5 May 2025	183.249 m
12 May 2025	183.252 m
19 May 2025	183.307 m
26 May 2025	183.298 m
2 June 2025	183.276 m
9 June 2025	183.298 m
16 June 2025	183.291 m
23 June 2025	183.335 m
30 June 2025	183.362 m
7 July 2025	183.384 m
14 July 2025	183.432 m
21 July 2025	183.437 m
28 July 2025	183.487 m
4 August 2025	183.445 m
11 August 2025	183.488 m
18 August 2025	183.474 m
25 August 2025	183.511 m
1 September 2025	183.500 m
8 September 2025	183.478 m
15 September 2025	183.449 m
22 September 2025	183.478 m
29 September 2025	183.416 m
6 October 2025	183.445 m
13 October 2025	183.431 m
20 October 2025	183.440 m
27 October 2025	183.391 m
3 November 2025	183.421 m
10 November 2025	183.395 m
17 November 2025	183.344 m
24 November 2025	183.368 m
1 December 2025	183.335 m
8 December 2025	183.301 m
15 December 2025	183.261 m
22 December 2025	183.211 m
29 December 2025	183.342 m
5 January 2026	183.214 m
12 January 2026	183.223 m
19 January 2026	183.276 m
26 January 2026	183.204 m
2 February 2026	183.179 m
9 February 2026	183.143 m
16 February 2026	183.135 m
23 February 2026	183.173 m
2 March 2026	183.117 m
9 March 2026	183.143 m
16 March 2026	183.156 m
23 March 2026	183.146 m
30 March 2026	183.157 m
6 April 2026	183.145 m
13 April 2026	183.211 m
20 April 2026	183.219 m
27 April 2026	183.307 m
4 May 2026	183.353 m
11 May 2026	183.354 m
18 May 2026	183.383 m
25 May 2026	183.408 m
1 June 2026	183.402 m
8 June 2026	183.420 m
15 June 2026	183.450 m
22 June 2026	183.443 m
29 June 2026	183.439 m
6 July 2026	183.452 m
13 July 2026	183.475 m
20 July 2026	183.497 m
27 July 2026	183.509 m
3 August 2026	183.485 m
10 August 2026	183.511 m
17 August 2026	183.521 m
24 August 2026	183.516 m
31 August 2026	no value
7 September 2026	183.490 m
14 September 2026	183.487 m
21 September 2026	183.431 m
28 September 2026	183.447 m

The whole record since 1930, monthly averages

Level
Our record

Monthly averages of Lake Superior at Point Iroquois from 1 November 1930 to 4 October 2026.

Table: The whole record since 1930, monthly averages

Month starting	Monthly average (m)
1 November 1930	183.483 m
1 December 1930	183.445 m
1 January 1931	183.348 m
1 February 1931	183.283 m
1 March 1931	no value
1 April 1931	183.176 m
1 May 1931	183.227 m
1 June 1931	183.293 m
1 July 1931	183.397 m
1 August 1931	183.412 m
1 September 1931	183.398 m
1 October 1931	183.423 m
1 November 1931	183.453 m
1 December 1931	183.437 m
1 January 1932	183.396 m
1 February 1932	183.377 m
1 March 1932	183.329 m
1 April 1932	183.309 m
1 May 1932	183.389 m
1 June 1932	183.451 m
1 July 1932	183.544 m
1 August 1932	183.598 m
1 September 1932	183.600 m
1 October 1932	183.504 m
1 November 1932	183.461 m
1 December 1932	183.407 m
1 January 1933	183.324 m
1 February 1933	183.309 m
1 March 1933	183.264 m
1 April 1933	183.286 m
1 May 1933	183.427 m
1 June 1933	183.513 m
1 July 1933	183.564 m
1 August 1933	183.583 m
1 September 1933	183.575 m
1 October 1933	183.586 m
1 November 1933	183.564 m
1 December 1933	183.499 m
1 January 1934	183.433 m
1 February 1934	183.390 m
1 March 1934	183.360 m
1 April 1934	183.376 m
1 May 1934	183.470 m
1 June 1934	183.548 m
1 July 1934	183.576 m
1 August 1934	183.559 m
1 September 1934	183.576 m
1 October 1934	183.628 m
1 November 1934	183.590 m
1 December 1934	183.571 m
1 January 1935	183.495 m
1 February 1935	183.441 m
1 March 1935	183.395 m
1 April 1935	183.410 m
1 May 1935	183.482 m
1 June 1935	183.530 m
1 July 1935	183.620 m
1 August 1935	183.658 m
1 September 1935	183.644 m
1 October 1935	183.584 m
1 November 1935	183.541 m
1 December 1935	183.454 m
1 January 1936	183.424 m
1 February 1936	183.380 m
1 March 1936	183.351 m
1 April 1936	183.374 m
1 May 1936	183.526 m
1 June 1936	183.608 m
1 July 1936	183.606 m
1 August 1936	183.567 m
1 September 1936	183.567 m
1 October 1936	183.538 m
1 November 1936	183.471 m
1 December 1936	183.346 m
1 January 1937	183.328 m
1 February 1937	183.319 m
1 March 1937	183.302 m
1 April 1937	183.272 m
1 May 1937	183.431 m
1 June 1937	183.507 m
1 July 1937	183.547 m
1 August 1937	183.599 m
1 September 1937	183.626 m
1 October 1937	183.612 m
1 November 1937	183.612 m
1 December 1937	183.527 m
1 January 1938	183.451 m
1 February 1938	183.396 m
1 March 1938	183.355 m
1 April 1938	183.444 m
1 May 1938	183.615 m
1 June 1938	183.722 m
1 July 1938	183.735 m
1 August 1938	183.731 m
1 September 1938	183.697 m
1 October 1938	183.596 m
1 November 1938	183.586 m
1 December 1938	183.528 m
1 January 1939	183.483 m
1 February 1939	183.443 m
1 March 1939	183.414 m
1 April 1939	183.436 m
1 May 1939	183.526 m
1 June 1939	183.658 m
1 July 1939	183.760 m
1 August 1939	183.756 m
1 September 1939	183.720 m
1 October 1939	183.637 m
1 November 1939	183.527 m
1 December 1939	183.457 m
1 January 1940	183.380 m
1 February 1940	183.263 m
1 March 1940	183.205 m
1 April 1940	183.181 m
1 May 1940	183.297 m
1 June 1940	183.465 m
1 July 1940	183.535 m
1 August 1940	183.547 m
1 September 1940	183.547 m
1 October 1940	183.485 m
1 November 1940	183.480 m
1 December 1940	183.426 m
1 January 1941	183.342 m
1 February 1941	183.294 m
1 March 1941	183.209 m
1 April 1941	183.213 m
1 May 1941	183.341 m
1 June 1941	183.436 m
1 July 1941	183.508 m
1 August 1941	183.538 m
1 September 1941	183.612 m
1 October 1941	183.727 m
1 November 1941	183.694 m
1 December 1941	183.588 m
1 January 1942	183.501 m
1 February 1942	183.427 m
1 March 1942	183.388 m
1 April 1942	183.385 m
1 May 1942	183.512 m
1 June 1942	183.596 m
1 July 1942	183.613 m
1 August 1942	183.619 m
1 September 1942	183.668 m
1 October 1942	183.643 m
1 November 1942	183.671 m
1 December 1942	183.640 m
1 January 1943	183.546 m
1 February 1943	183.511 m
1 March 1943	183.455 m
1 April 1943	183.458 m
1 May 1943	183.560 m
1 June 1943	183.731 m
1 July 1943	183.805 m
1 August 1943	183.812 m
1 September 1943	183.768 m
1 October 1943	183.682 m
1 November 1943	183.623 m
1 December 1943	183.525 m
1 January 1944	183.383 m
1 February 1944	183.311 m
1 March 1944	183.240 m
1 April 1944	183.237 m
1 May 1944	183.367 m
1 June 1944	183.543 m
1 July 1944	183.672 m
1 August 1944	183.760 m
1 September 1944	183.776 m
1 October 1944	no value
1 November 1944	no value
1 December 1944	no value
1 January 1945	no value
1 February 1945	no value
1 March 1945	no value
1 April 1945	no value
1 May 1945	no value
1 June 1945	no value
1 July 1945	no value
1 August 1945	no value
1 September 1945	no value
1 October 1945	no value
1 November 1945	no value
1 December 1945	no value
1 January 1946	no value
1 February 1946	no value
1 March 1946	no value
1 April 1946	no value
1 May 1946	no value
1 June 1946	no value
1 July 1946	no value
1 August 1946	no value
1 September 1946	no value
1 October 1946	no value
1 November 1946	no value
1 December 1946	no value
1 January 1947	no value
1 February 1947	no value
1 March 1947	no value
1 April 1947	no value
1 May 1947	no value
1 June 1947	no value
1 July 1947	no value
1 August 1947	no value
1 September 1947	no value
1 October 1947	no value
1 November 1947	no value
1 December 1947	no value
1 January 1948	no value
1 February 1948	no value
1 March 1948	no value
1 April 1948	no value
1 May 1948	no value
1 June 1948	no value
1 July 1948	no value
1 August 1948	no value
1 September 1948	no value
1 October 1948	no value
1 November 1948	no value
1 December 1948	no value
1 January 1949	no value
1 February 1949	no value
1 March 1949	no value
1 April 1949	no value
1 May 1949	no value
1 June 1949	no value
1 July 1949	no value
1 August 1949	no value
1 September 1949	no value
1 October 1949	no value
1 November 1949	no value
1 December 1949	no value
1 January 1950	no value
1 February 1950	no value
1 March 1950	no value
1 April 1950	no value
1 May 1950	no value
1 June 1950	no value
1 July 1950	no value
1 August 1950	no value
1 September 1950	no value
1 October 1950	no value
1 November 1950	183.806 m
1 December 1950	183.720 m
1 January 1951	183.601 m
1 February 1951	183.524 m
1 March 1951	183.548 m
1 April 1951	183.620 m
1 May 1951	183.720 m
1 June 1951	183.758 m
1 July 1951	183.815 m
1 August 1951	183.805 m
1 September 1951	183.833 m
1 October 1951	183.853 m
1 November 1951	183.814 m
1 December 1951	183.731 m
1 January 1952	183.655 m
1 February 1952	183.581 m
1 March 1952	183.509 m
1 April 1952	183.546 m
1 May 1952	183.606 m
1 June 1952	183.635 m
1 July 1952	183.773 m
1 August 1952	183.873 m
1 September 1952	183.837 m
1 October 1952	183.722 m
1 November 1952	183.550 m
1 December 1952	183.484 m
1 January 1953	183.398 m
1 February 1953	183.355 m
1 March 1953	183.304 m
1 April 1953	183.352 m
1 May 1953	183.402 m
1 June 1953	183.572 m
1 July 1953	183.689 m
1 August 1953	183.717 m
1 September 1953	183.686 m
1 October 1953	183.582 m
1 November 1953	183.478 m
1 December 1953	183.431 m
1 January 1954	183.334 m
1 February 1954	183.268 m
1 March 1954	183.244 m
1 April 1954	183.221 m
1 May 1954	183.451 m
1 June 1954	183.569 m
1 July 1954	183.633 m
1 August 1954	183.610 m
1 September 1954	183.535 m
1 October 1954	183.501 m
1 November 1954	183.424 m
1 December 1954	183.351 m
1 January 1955	183.271 m
1 February 1955	183.178 m
1 March 1955	183.190 m
1 April 1955	183.208 m
1 May 1955	183.311 m
1 June 1955	183.376 m
1 July 1955	183.397 m
1 August 1955	183.489 m
1 September 1955	183.462 m
1 October 1955	183.508 m
1 November 1955	183.506 m
1 December 1955	183.431 m
1 January 1956	183.330 m
1 February 1956	183.282 m
1 March 1956	183.167 m
1 April 1956	183.176 m
1 May 1956	183.228 m
1 June 1956	183.321 m
1 July 1956	183.449 m
1 August 1956	183.493 m
1 September 1956	183.494 m
1 October 1956	183.407 m
1 November 1956	183.399 m
1 December 1956	183.321 m
1 January 1957	183.260 m
1 February 1957	183.155 m
1 March 1957	183.127 m
1 April 1957	183.141 m
1 May 1957	183.263 m
1 June 1957	183.350 m
1 July 1957	183.481 m
1 August 1957	183.504 m
1 September 1957	183.498 m
1 October 1957	183.456 m
1 November 1957	183.444 m
1 December 1957	183.374 m
1 January 1958	183.285 m
1 February 1958	183.240 m
1 March 1958	183.176 m
1 April 1958	183.140 m
1 May 1958	183.181 m
1 June 1958	183.242 m
1 July 1958	183.349 m
1 August 1958	183.425 m
1 September 1958	183.476 m
1 October 1958	183.462 m
1 November 1958	183.459 m
1 December 1958	183.410 m
1 January 1959	183.335 m
1 February 1959	183.243 m
1 March 1959	183.210 m
1 April 1959	183.203 m
1 May 1959	183.287 m
1 June 1959	183.407 m
1 July 1959	183.457 m
1 August 1959	183.512 m
1 September 1959	183.622 m
1 October 1959	183.654 m
1 November 1959	183.599 m
1 December 1959	183.447 m
1 January 1960	183.390 m
1 February 1960	183.317 m
1 March 1960	183.229 m
1 April 1960	183.232 m
1 May 1960	183.464 m
1 June 1960	183.551 m
1 July 1960	183.562 m
1 August 1960	183.547 m
1 September 1960	183.536 m
1 October 1960	183.467 m
1 November 1960	183.430 m
1 December 1960	183.366 m
1 January 1961	183.257 m
1 February 1961	183.179 m
1 March 1961	183.166 m
1 April 1961	183.194 m
1 May 1961	183.304 m
1 June 1961	183.362 m
1 July 1961	183.386 m
1 August 1961	183.391 m
1 September 1961	183.418 m
1 October 1961	183.425 m
1 November 1961	183.411 m
1 December 1961	183.367 m
1 January 1962	183.286 m
1 February 1962	183.209 m
1 March 1962	183.179 m
1 April 1962	183.168 m
1 May 1962	183.244 m
1 June 1962	183.348 m
1 July 1962	183.395 m
1 August 1962	183.426 m
1 September 1962	183.498 m
1 October 1962	183.469 m
1 November 1962	183.358 m
1 December 1962	183.322 m
1 January 1963	183.241 m
1 February 1963	no value
1 March 1963	183.124 m
1 April 1963	183.194 m
1 May 1963	183.247 m
1 June 1963	183.347 m
1 July 1963	183.418 m
1 August 1963	183.451 m
1 September 1963	183.439 m
1 October 1963	183.413 m
1 November 1963	183.389 m
1 December 1963	183.328 m
1 January 1964	183.230 m
1 February 1964	183.179 m
1 March 1964	183.113 m
1 April 1964	183.083 m
1 May 1964	183.295 m
1 June 1964	183.377 m
1 July 1964	no value
1 August 1964	no value
1 September 1964	no value
1 October 1964	no value
1 November 1964	no value
1 December 1964	no value
1 January 1965	no value
1 February 1965	no value
1 March 1965	no value
1 April 1965	no value
1 May 1965	no value
1 June 1965	no value
1 July 1965	no value
1 August 1965	no value
1 September 1965	no value
1 October 1965	no value
1 November 1965	no value
1 December 1965	no value
1 January 1966	no value
1 February 1966	no value
1 March 1966	no value
1 April 1966	no value
1 May 1966	no value
1 June 1966	no value
1 July 1966	no value
1 August 1966	no value
1 September 1966	no value
1 October 1966	183.507 m
1 November 1966	183.446 m
1 December 1966	183.379 m
1 January 1967	183.328 m
1 February 1967	183.277 m
1 March 1967	183.204 m
1 April 1967	183.289 m
1 May 1967	183.403 m
1 June 1967	183.448 m
1 July 1967	183.514 m
1 August 1967	183.546 m
1 September 1967	183.498 m
1 October 1967	183.440 m
1 November 1967	183.451 m
1 December 1967	183.355 m
1 January 1968	183.252 m
1 February 1968	183.239 m
1 March 1968	183.138 m
1 April 1968	183.222 m
1 May 1968	183.330 m
1 June 1968	183.491 m
1 July 1968	183.637 m
1 August 1968	183.730 m
1 September 1968	183.784 m
1 October 1968	183.782 m
1 November 1968	183.732 m
1 December 1968	183.623 m
1 January 1969	183.575 m
1 February 1969	183.550 m
1 March 1969	183.475 m
1 April 1969	183.457 m
1 May 1969	183.550 m
1 June 1969	183.567 m
1 July 1969	183.584 m
1 August 1969	183.590 m
1 September 1969	183.549 m
1 October 1969	183.513 m
1 November 1969	183.474 m
1 December 1969	183.374 m
1 January 1970	183.334 m
1 February 1970	183.278 m
1 March 1970	183.211 m
1 April 1970	183.185 m
1 May 1970	183.356 m
1 June 1970	183.498 m
1 July 1970	183.587 m
1 August 1970	183.620 m
1 September 1970	183.611 m
1 October 1970	183.582 m
1 November 1970	183.668 m
1 December 1970	183.602 m
1 January 1971	183.560 m
1 February 1971	183.467 m
1 March 1971	183.456 m
1 April 1971	183.480 m
1 May 1971	183.565 m
1 June 1971	183.658 m
1 July 1971	183.707 m
1 August 1971	183.709 m
1 September 1971	183.663 m
1 October 1971	183.641 m
1 November 1971	183.633 m
1 December 1971	183.581 m
1 January 1972	183.530 m
1 February 1972	183.445 m
1 March 1972	183.432 m
1 April 1972	183.439 m
1 May 1972	183.551 m
1 June 1972	183.588 m
1 July 1972	183.599 m
1 August 1972	183.674 m
1 September 1972	183.714 m
1 October 1972	183.700 m
1 November 1972	183.616 m
1 December 1972	183.520 m
1 January 1973	183.462 m
1 February 1973	183.378 m
1 March 1973	183.392 m
1 April 1973	183.438 m
1 May 1973	183.592 m
1 June 1973	183.656 m
1 July 1973	183.744 m
1 August 1973	183.813 m
1 September 1973	183.815 m
1 October 1973	183.759 m
1 November 1973	183.696 m
1 December 1973	183.583 m
1 January 1974	183.528 m
1 February 1974	183.456 m
1 March 1974	183.406 m
1 April 1974	183.413 m
1 May 1974	183.527 m
1 June 1974	183.637 m
1 July 1974	183.725 m
1 August 1974	183.776 m
1 September 1974	183.813 m
1 October 1974	183.774 m
1 November 1974	183.773 m
1 December 1974	183.695 m
1 January 1975	183.633 m
1 February 1975	183.593 m
1 March 1975	183.505 m
1 April 1975	183.465 m
1 May 1975	183.551 m
1 June 1975	183.614 m
1 July 1975	183.688 m
1 August 1975	183.683 m
1 September 1975	183.669 m
1 October 1975	183.600 m
1 November 1975	183.599 m
1 December 1975	183.588 m
1 January 1976	183.512 m
1 February 1976	183.447 m
1 March 1976	183.412 m
1 April 1976	183.503 m
1 May 1976	183.587 m
1 June 1976	183.582 m
1 July 1976	183.650 m
1 August 1976	183.632 m
1 September 1976	183.585 m
1 October 1976	183.486 m
1 November 1976	183.399 m
1 December 1976	183.273 m
1 January 1977	183.194 m
1 February 1977	183.114 m
1 March 1977	183.120 m
1 April 1977	183.203 m
1 May 1977	183.253 m
1 June 1977	183.307 m
1 July 1977	183.391 m
1 August 1977	183.442 m
1 September 1977	183.575 m
1 October 1977	183.650 m
1 November 1977	183.616 m
1 December 1977	183.553 m
1 January 1978	183.509 m
1 February 1978	183.381 m
1 March 1978	183.306 m
1 April 1978	183.303 m
1 May 1978	183.344 m
1 June 1978	183.426 m
1 July 1978	183.513 m
1 August 1978	183.560 m
1 September 1978	183.577 m
1 October 1978	183.555 m
1 November 1978	183.446 m
1 December 1978	183.368 m
1 January 1979	183.299 m
1 February 1979	183.218 m
1 March 1979	183.252 m
1 April 1979	183.322 m
1 May 1979	183.499 m
1 June 1979	183.647 m
1 July 1979	183.688 m
1 August 1979	183.690 m
1 September 1979	183.680 m
1 October 1979	183.625 m
1 November 1979	183.626 m
1 December 1979	183.548 m
1 January 1980	183.499 m
1 February 1980	183.423 m
1 March 1980	183.354 m
1 April 1980	183.368 m
1 May 1980	183.394 m
1 June 1980	183.428 m
1 July 1980	183.473 m
1 August 1980	183.486 m
1 September 1980	183.548 m
1 October 1980	183.555 m
1 November 1980	183.482 m
1 December 1980	183.401 m
1 January 1981	183.297 m
1 February 1981	183.234 m
1 March 1981	183.243 m
1 April 1981	183.317 m
1 May 1981	183.395 m
1 June 1981	183.455 m
1 July 1981	183.510 m
1 August 1981	183.481 m
1 September 1981	183.428 m
1 October 1981	183.381 m
1 November 1981	183.366 m
1 December 1981	183.303 m
1 January 1982	183.270 m
1 February 1982	183.177 m
1 March 1982	183.137 m
1 April 1982	183.201 m
1 May 1982	183.333 m
1 June 1982	183.409 m
1 July 1982	183.497 m
1 August 1982	183.583 m
1 September 1982	183.581 m
1 October 1982	183.638 m
1 November 1982	183.678 m
1 December 1982	183.624 m
1 January 1983	183.568 m
1 February 1983	183.488 m
1 March 1983	183.472 m
1 April 1983	183.478 m
1 May 1983	183.523 m
1 June 1983	183.582 m
1 July 1983	183.635 m
1 August 1983	183.636 m
1 September 1983	183.632 m
1 October 1983	183.648 m
1 November 1983	183.612 m
1 December 1983	183.614 m
1 January 1984	183.504 m
1 February 1984	183.438 m
1 March 1984	183.411 m
1 April 1984	183.399 m
1 May 1984	183.497 m
1 June 1984	183.577 m
1 July 1984	183.654 m
1 August 1984	183.659 m
1 September 1984	183.631 m
1 October 1984	183.587 m
1 November 1984	183.598 m
1 December 1984	183.573 m
1 January 1985	183.518 m
1 February 1985	183.437 m
1 March 1985	183.406 m
1 April 1985	183.447 m
1 May 1985	183.568 m
1 June 1985	183.665 m
1 July 1985	183.741 m
1 August 1985	183.800 m
1 September 1985	183.849 m
1 October 1985	183.908 m
1 November 1985	183.910 m
1 December 1985	183.855 m
1 January 1986	183.725 m
1 February 1986	183.642 m
1 March 1986	183.617 m
1 April 1986	183.675 m
1 May 1986	183.750 m
1 June 1986	183.765 m
1 July 1986	183.801 m
1 August 1986	183.852 m
1 September 1986	183.809 m
1 October 1986	183.808 m
1 November 1986	183.767 m
1 December 1986	183.691 m
1 January 1987	183.605 m
1 February 1987	183.504 m
1 March 1987	183.440 m
1 April 1987	183.414 m
1 May 1987	183.404 m
1 June 1987	183.464 m
1 July 1987	183.493 m
1 August 1987	183.557 m
1 September 1987	183.532 m
1 October 1987	183.482 m
1 November 1987	183.417 m
1 December 1987	183.388 m
1 January 1988	183.312 m
1 February 1988	183.245 m
1 March 1988	183.161 m
1 April 1988	183.215 m
1 May 1988	183.228 m
1 June 1988	183.265 m
1 July 1988	183.268 m
1 August 1988	183.386 m
1 September 1988	183.438 m
1 October 1988	183.442 m
1 November 1988	183.467 m
1 December 1988	183.491 m
1 January 1989	183.419 m
1 February 1989	183.370 m
1 March 1989	183.279 m
1 April 1989	183.306 m
1 May 1989	183.387 m
1 June 1989	183.497 m
1 July 1989	183.537 m
1 August 1989	183.518 m
1 September 1989	183.507 m
1 October 1989	183.426 m
1 November 1989	183.411 m
1 December 1989	183.287 m
1 January 1990	183.202 m
1 February 1990	183.141 m
1 March 1990	183.085 m
1 April 1990	183.084 m
1 May 1990	183.175 m
1 June 1990	183.245 m
1 July 1990	183.341 m
1 August 1990	183.352 m
1 September 1990	183.376 m
1 October 1990	183.396 m
1 November 1990	183.395 m
1 December 1990	183.335 m
1 January 1991	183.261 m
1 February 1991	183.184 m
1 March 1991	183.145 m
1 April 1991	183.214 m
1 May 1991	183.311 m
1 June 1991	183.367 m
1 July 1991	183.457 m
1 August 1991	183.468 m
1 September 1991	183.453 m
1 October 1991	183.432 m
1 November 1991	183.467 m
1 December 1991	183.469 m
1 January 1992	183.381 m
1 February 1992	183.295 m
1 March 1992	183.248 m
1 April 1992	183.215 m
1 May 1992	183.312 m
1 June 1992	183.358 m
1 July 1992	183.444 m
1 August 1992	183.479 m
1 September 1992	183.514 m
1 October 1992	183.547 m
1 November 1992	183.504 m
1 December 1992	183.480 m
1 January 1993	183.427 m
1 February 1993	183.326 m
1 March 1993	183.242 m
1 April 1993	183.238 m
1 May 1993	183.370 m
1 June 1993	183.462 m
1 July 1993	183.548 m
1 August 1993	183.612 m
1 September 1993	183.632 m
1 October 1993	183.602 m
1 November 1993	183.522 m
1 December 1993	183.471 m
1 January 1994	183.399 m
1 February 1994	183.320 m
1 March 1994	183.280 m
1 April 1994	183.303 m
1 May 1994	183.392 m
1 June 1994	183.449 m
1 July 1994	183.521 m
1 August 1994	183.564 m
1 September 1994	183.581 m
1 October 1994	183.562 m
1 November 1994	183.512 m
1 December 1994	183.422 m
1 January 1995	183.347 m
1 February 1995	183.268 m
1 March 1995	183.188 m
1 April 1995	183.205 m
1 May 1995	183.256 m
1 June 1995	183.298 m
1 July 1995	183.363 m
1 August 1995	183.385 m
1 September 1995	183.432 m
1 October 1995	183.493 m
1 November 1995	183.506 m
1 December 1995	183.438 m
1 January 1996	183.357 m
1 February 1996	183.330 m
1 March 1996	183.300 m
1 April 1996	183.308 m
1 May 1996	183.452 m
1 June 1996	183.588 m
1 July 1996	183.697 m
1 August 1996	183.767 m
1 September 1996	183.774 m
1 October 1996	183.707 m
1 November 1996	183.679 m
1 December 1996	183.630 m
1 January 1997	183.609 m
1 February 1997	183.545 m
1 March 1997	183.519 m
1 April 1997	183.555 m
1 May 1997	183.643 m
1 June 1997	183.640 m
1 July 1997	183.715 m
1 August 1997	183.679 m
1 September 1997	183.642 m
1 October 1997	183.608 m
1 November 1997	183.571 m
1 December 1997	183.495 m
1 January 1998	183.394 m
1 February 1998	183.319 m
1 March 1998	183.295 m
1 April 1998	183.343 m
1 May 1998	183.334 m
1 June 1998	183.388 m
1 July 1998	183.427 m
1 August 1998	183.383 m
1 September 1998	183.341 m
1 October 1998	183.250 m
1 November 1998	183.210 m
1 December 1998	183.200 m
1 January 1999	183.115 m
1 February 1999	183.074 m
1 March 1999	183.041 m
1 April 1999	183.092 m
1 May 1999	183.168 m
1 June 1999	183.294 m
1 July 1999	183.418 m
1 August 1999	183.472 m
1 September 1999	183.439 m
1 October 1999	183.393 m
1 November 1999	183.324 m
1 December 1999	183.255 m
1 January 2000	183.166 m
1 February 2000	183.068 m
1 March 2000	183.067 m
1 April 2000	183.120 m
1 May 2000	183.146 m
1 June 2000	183.222 m
1 July 2000	183.327 m
1 August 2000	183.303 m
1 September 2000	183.261 m
1 October 2000	183.190 m
1 November 2000	183.140 m
1 December 2000	183.071 m
1 January 2001	182.983 m
1 February 2001	182.951 m
1 March 2001	182.903 m
1 April 2001	182.984 m
1 May 2001	183.206 m
1 June 2001	183.305 m
1 July 2001	183.346 m
1 August 2001	183.382 m
1 September 2001	183.366 m
1 October 2001	183.294 m
1 November 2001	183.267 m
1 December 2001	183.300 m
1 January 2002	183.235 m
1 February 2002	183.153 m
1 March 2002	183.119 m
1 April 2002	183.123 m
1 May 2002	183.250 m
1 June 2002	183.291 m
1 July 2002	183.347 m
1 August 2002	183.390 m
1 September 2002	183.410 m
1 October 2002	183.446 m
1 November 2002	183.375 m
1 December 2002	183.266 m
1 January 2003	183.201 m
1 February 2003	183.084 m
1 March 2003	183.023 m
1 April 2003	183.054 m
1 May 2003	183.176 m
1 June 2003	183.221 m
1 July 2003	183.262 m
1 August 2003	183.289 m
1 September 2003	183.269 m
1 October 2003	183.272 m
1 November 2003	183.243 m
1 December 2003	183.198 m
1 January 2004	183.161 m
1 February 2004	183.076 m
1 March 2004	183.058 m
1 April 2004	183.124 m
1 May 2004	183.219 m
1 June 2004	183.343 m
1 July 2004	183.398 m
1 August 2004	183.424 m
1 September 2004	183.434 m
1 October 2004	183.465 m
1 November 2004	183.473 m
1 December 2004	183.380 m
1 January 2005	183.324 m
1 February 2005	183.254 m
1 March 2005	183.213 m
1 April 2005	183.246 m
1 May 2005	183.288 m
1 June 2005	183.368 m
1 July 2005	183.415 m
1 August 2005	183.378 m
1 September 2005	183.345 m
1 October 2005	183.374 m
1 November 2005	183.355 m
1 December 2005	183.298 m
1 January 2006	183.230 m
1 February 2006	183.212 m
1 March 2006	183.129 m
1 April 2006	183.144 m
1 May 2006	183.238 m
1 June 2006	183.291 m
1 July 2006	183.305 m
1 August 2006	183.286 m
1 September 2006	183.184 m
1 October 2006	183.140 m
1 November 2006	183.028 m
1 December 2006	182.977 m
1 January 2007	182.934 m
1 February 2007	182.857 m
1 March 2007	182.766 m
1 April 2007	182.853 m
1 May 2007	182.843 m
1 June 2007	182.923 m
1 July 2007	182.995 m
1 August 2007	183.003 m
1 September 2007	183.009 m
1 October 2007	183.166 m
1 November 2007	183.192 m
1 December 2007	183.109 m
1 January 2008	183.087 m
1 February 2008	183.036 m
1 March 2008	182.966 m
1 April 2008	182.996 m
1 May 2008	183.179 m
1 June 2008	183.278 m
1 July 2008	183.399 m
1 August 2008	183.414 m
1 September 2008	183.358 m
1 October 2008	183.313 m
1 November 2008	183.273 m
1 December 2008	183.206 m
1 January 2009	183.151 m
1 February 2009	183.098 m
1 March 2009	183.067 m
1 April 2009	183.120 m
1 May 2009	183.230 m
1 June 2009	183.285 m
1 July 2009	183.341 m
1 August 2009	183.379 m
1 September 2009	183.400 m
1 October 2009	183.354 m
1 November 2009	183.338 m
1 December 2009	183.307 m
1 January 2010	183.218 m
1 February 2010	183.147 m
1 March 2010	183.072 m
1 April 2010	183.060 m
1 May 2010	183.057 m
1 June 2010	183.117 m
1 July 2010	183.174 m
1 August 2010	183.201 m
1 September 2010	183.236 m
1 October 2010	183.193 m
1 November 2010	183.122 m
1 December 2010	183.087 m
1 January 2011	182.997 m
1 February 2011	182.938 m
1 March 2011	182.854 m
1 April 2011	182.888 m
1 May 2011	183.018 m
1 June 2011	183.133 m
1 July 2011	183.234 m
1 August 2011	183.284 m
1 September 2011	183.235 m
1 October 2011	183.220 m
1 November 2011	183.158 m
1 December 2011	183.091 m
1 January 2012	183.022 m
1 February 2012	182.952 m
1 March 2012	182.913 m
1 April 2012	183.002 m
1 May 2012	183.037 m
1 June 2012	183.178 m
1 July 2012	183.282 m
1 August 2012	183.276 m
1 September 2012	183.210 m
1 October 2012	183.121 m
1 November 2012	183.096 m
1 December 2012	183.047 m
1 January 2013	182.989 m
1 February 2013	182.948 m
1 March 2013	182.914 m
1 April 2013	182.904 m
1 May 2013	183.102 m
1 June 2013	183.251 m
1 July 2013	183.357 m
1 August 2013	183.439 m
1 September 2013	183.470 m
1 October 2013	183.438 m
1 November 2013	183.416 m
1 December 2013	183.364 m
1 January 2014	183.310 m
1 February 2014	183.243 m
1 March 2014	183.223 m
1 April 2014	183.260 m
1 May 2014	183.457 m
1 June 2014	183.578 m
1 July 2014	183.647 m
1 August 2014	183.656 m
1 September 2014	183.682 m
1 October 2014	183.711 m
1 November 2014	183.687 m
1 December 2014	183.608 m
1 January 2015	183.565 m
1 February 2015	183.479 m
1 March 2015	183.417 m
1 April 2015	183.434 m
1 May 2015	183.513 m
1 June 2015	183.613 m
1 July 2015	183.673 m
1 August 2015	183.679 m
1 September 2015	183.674 m
1 October 2015	183.587 m
1 November 2015	183.567 m
1 December 2015	183.580 m
1 January 2016	183.571 m
1 February 2016	183.507 m
1 March 2016	183.443 m
1 April 2016	183.460 m
1 May 2016	183.489 m
1 June 2016	183.594 m
1 July 2016	183.673 m
1 August 2016	183.692 m
1 September 2016	183.686 m
1 October 2016	183.666 m
1 November 2016	183.588 m
1 December 2016	183.563 m
1 January 2017	183.487 m
1 February 2017	183.442 m
1 March 2017	183.387 m
1 April 2017	183.398 m
1 May 2017	183.552 m
1 June 2017	183.654 m
1 July 2017	183.740 m
1 August 2017	183.779 m
1 September 2017	183.782 m
1 October 2017	183.799 m
1 November 2017	183.786 m
1 December 2017	183.738 m
1 January 2018	183.658 m
1 February 2018	183.593 m
1 March 2018	183.534 m
1 April 2018	183.471 m
1 May 2018	183.485 m
1 June 2018	183.547 m
1 July 2018	183.639 m
1 August 2018	183.644 m
1 September 2018	183.668 m
1 October 2018	183.770 m
1 November 2018	183.766 m
1 December 2018	183.666 m
1 January 2019	183.625 m
1 February 2019	183.586 m
1 March 2019	183.566 m
1 April 2019	183.598 m
1 May 2019	183.748 m
1 June 2019	183.830 m
1 July 2019	183.842 m
1 August 2019	183.856 m
1 September 2019	183.837 m
1 October 2019	183.848 m
1 November 2019	183.815 m
1 December 2019	183.735 m
1 January 2020	183.713 m
1 February 2020	183.659 m
1 March 2020	183.567 m
1 April 2020	183.620 m
1 May 2020	183.631 m
1 June 2020	183.683 m
1 July 2020	183.753 m
1 August 2020	183.800 m
1 September 2020	183.793 m
1 October 2020	183.762 m
1 November 2020	183.722 m
1 December 2020	183.644 m
1 January 2021	183.546 m
1 February 2021	183.479 m
1 March 2021	183.414 m
1 April 2021	183.463 m
1 May 2021	183.493 m
1 June 2021	183.535 m
1 July 2021	183.551 m
1 August 2021	183.520 m
1 September 2021	183.503 m
1 October 2021	183.476 m
1 November 2021	183.387 m
1 December 2021	183.313 m
1 January 2022	183.243 m
1 February 2022	183.171 m
1 March 2022	183.156 m
1 April 2022	183.216 m
1 May 2022	183.410 m
1 June 2022	183.544 m
1 July 2022	183.609 m
1 August 2022	183.643 m
1 September 2022	183.649 m
1 October 2022	183.606 m
1 November 2022	183.606 m
1 December 2022	183.579 m
1 January 2023	183.509 m
1 February 2023	183.470 m
1 March 2023	183.430 m
1 April 2023	183.459 m
1 May 2023	183.651 m
1 June 2023	183.666 m
1 July 2023	183.678 m
1 August 2023	183.671 m
1 September 2023	183.602 m
1 October 2023	183.548 m
1 November 2023	183.469 m
1 December 2023	183.363 m
1 January 2024	183.326 m
1 February 2024	183.261 m
1 March 2024	183.210 m
1 April 2024	183.227 m
1 May 2024	183.309 m
1 June 2024	183.420 m
1 July 2024	183.502 m
1 August 2024	183.480 m
1 September 2024	183.427 m
1 October 2024	183.342 m
1 November 2024	183.299 m
1 December 2024	183.255 m
1 January 2025	183.214 m
1 February 2025	183.116 m
1 March 2025	183.077 m
1 April 2025	183.117 m
1 May 2025	183.271 m
1 June 2025	183.302 m
1 July 2025	183.417 m
1 August 2025	183.479 m
1 September 2025	183.474 m
1 October 2025	183.426 m
1 November 2025	183.382 m
1 December 2025	183.288 m
1 January 2026	183.243 m
1 February 2026	183.156 m
1 March 2026	183.142 m
1 April 2026	183.202 m
1 May 2026	183.371 m
1 June 2026	183.426 m
1 July 2026	183.477 m
1 August 2026	183.507 m
1 September 2026	183.465 m
1 October 2026	no value

4 October in the last 10 years

Day	Level
4 October 2025	183.404 m
4 October 2024	183.417 m
4 October 2023	183.509 m
4 October 2022	183.604 m
4 October 2021	183.50 m
4 October 2020	183.784 m
4 October 2019	183.857 m
4 October 2018	183.807 m
4 October 2017	183.872 m
4 October 2016	183.622 m

Year by year

Year	Days with a value	Days below the normal range
2026to 5 October 2026	273	3
2025	365	21
2024	366	22
2023	365	0
2022	365	3
2021	365	2
2020	361	0
2019	365	0
2018	365	0
2017	365	0
2016	365	0
2015	363	0
2014	365	0
2013	365	175
2012	366	357
2011	365	354
2010	365	263
2009	365	63
2008	366	179
2007	365	356
2006	365	182
2005	365	22
2004	366	45
2003	365	231
2002	365	21
2001	365	169
2000	366	244
1999	365	96
1998	365	79
1997	365	0
1996	366	0
1995	365	10
1994	365	0
1993	365	0
1992	366	0
1991	365	1
1990	365	85
1989	365	1
1988	366	51
1987	365	0
1986	365	0
1985	365	0
1984	366	0
1983	365	0
1982	365	6
1981	365	3
1980	366	0
1979	365	0
1978	365	1
1977	365	12
1976	366	3
1975	364	0
1974	365	0
1973	365	0
1972	366	0
1971	365	0
1970	365	0
1969	359	0
1968	365	0
1967	365	0
1966	88	0
1964	168	15
1963	351	0
1962	362	0
1961	365	3
1960	366	1
1959	365	0
1958	365	41
1957	365	5
1956	366	4
1955	365	2
1954	365	0
1953	365	0
1952	366	0
1951	365	0
1950	74	0
1944	274	0
1943	365	0
1942	361	0
1941	365	0
1940	366	2
1939	365	0
1938	365	0
1937	365	0
1936	366	0
1935	365	0
1934	365	0
1933	365	0
1932	349	0
1931	332	4
1930	60	0

Records

Highest daily average in our series since 1 November 1930: 184.036 m on 5 October 1985.
Lowest daily average in our series since 1 November 1930: 182.661 m on 1 March 2007.

Lake Superior at Point Iroquois: history

4 October in the last 10 years

Year by year

Records

See also