World Water Levels

normal for the date

Niagara River at American Falls: history

On the Niagara River at American Falls averaged 170.475 m above IGLD 1985.

That is within the normal range for the date. The normal range for 4 October is 170.39 m to 170.51 m: the 10th to 90th percentile of the daily averages from 27 September to 11 October in 50 years between 1976 and 2025.

The last 90 days, against the normal range for each day
The last 90 days, against the normal range for each day 170.4 m 170.6 m 170.8 m Highest 170.885 m 170.475 m
  • Level
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
  • Our record
Daily averages of the Niagara River at American Falls 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
170.478 m170.396 m to 170.540 m170.480 m170.497 m
170.491 m170.398 m to 170.539 m170.480 m170.481 m
170.475 m170.399 m to 170.539 m170.479 m170.467 m
170.454 m170.401 m to 170.536 m170.478 m170.486 m
170.452 m170.402 m to 170.535 m170.478 m170.467 m
170.458 m170.402 m to 170.534 m170.478 m170.485 m
170.483 m170.402 m to 170.533 m170.477 m170.483 m
170.500 m170.405 m to 170.532 m170.476 m170.471 m
170.505 m170.407 m to 170.531 m170.475 m170.470 m
170.505 m170.406 m to 170.531 m170.473 m170.456 m
170.476 m170.405 m to 170.529 m170.472 m170.474 m
170.480 m170.406 m to 170.527 m170.471 m170.451 m
170.465 m170.407 m to 170.526 m170.471 m170.468 m
170.491 m170.407 m to 170.524 m170.468 m170.483 m
170.499 m170.407 m to 170.523 m170.466 m170.467 m
170.523 m170.406 m to 170.522 m170.465 m170.480 m
170.468 m170.407 m to 170.521 m170.464 m170.491 m
170.463 m170.407 m to 170.518 m170.463 m170.500 m
170.465 m170.407 m to 170.516 m170.460 m170.495 m
170.484 m170.406 m to 170.514 m170.460 m170.461 m
170.507 m170.406 m to 170.513 m170.458 m170.499 m
170.495 m170.405 m to 170.512 m170.457 m170.508 m
170.454 m170.404 m to 170.509 m170.456 m170.486 m
170.482 m170.403 m to 170.508 m170.456 m170.482 m
170.501 m170.404 m to 170.505 m170.456 m170.452 m
170.478 m170.404 m to 170.501 m170.455 m170.488 m
170.489 m170.403 m to 170.500 m170.455 m170.475 m
170.497 m170.399 m to 170.499 m170.454 m170.465 m
170.500 m170.398 m to 170.497 m170.453 m170.463 m
170.469 m170.391 m to 170.496 m170.453 m170.467 m
170.446 m170.390 m to 170.495 m170.452 m170.490 m
170.483 m170.388 m to 170.495 m170.452 m170.461 m
170.489 m170.388 m to 170.495 m170.451 m170.484 m
170.484 m170.388 m to 170.494 m170.451 m170.461 m
170.456 m170.388 m to 170.494 m170.450 m170.477 m
170.477 m170.385 m to 170.494 m170.449 m170.512 m
170.471 m170.384 m to 170.493 m170.447 m170.478 m
170.482 m170.382 m to 170.494 m170.446 m170.469 m
170.477 m170.382 m to 170.494 m170.447 m170.459 m
170.484 m170.381 m to 170.494 m170.447 m170.465 m
170.488 m170.380 m to 170.493 m170.447 m170.452 m
170.475 m170.380 m to 170.492 m170.446 m170.495 m
170.466 m170.380 m to 170.488 m170.446 m170.467 m
170.518 m170.378 m to 170.487 m170.446 m170.479 m
170.486 m170.378 m to 170.487 m170.445 m170.493 m
170.460 m170.379 m to 170.487 m170.444 m170.445 m
170.475 m170.376 m to 170.487 m170.443 m170.468 m
170.474 m170.371 m to 170.487 m170.442 m170.462 m
170.502 m170.370 m to 170.485 m170.441 m170.474 m
170.446 m170.369 m to 170.485 m170.440 m170.464 m
170.472 m170.367 m to 170.485 m170.440 m170.436 m
170.498 m170.367 m to 170.485 m170.441 m170.430 m
170.469 m170.369 m to 170.485 m170.441 m170.449 m
170.460 m170.368 m to 170.485 m170.441 m170.425 m
170.474 m170.369 m to 170.484 m170.441 m170.454 m
170.478 m170.369 m to 170.484 m170.440 m170.452 m
no value170.370 m to 170.485 m170.440 m170.457 m
no value170.370 m to 170.485 m170.441 m170.454 m
no value170.372 m to 170.486 m170.441 m170.457 m
no value170.372 m to 170.488 m170.442 m170.452 m
170.465 m170.371 m to 170.489 m170.444 m170.453 m
170.443 m170.371 m to 170.489 m170.446 m170.433 m
170.453 m170.373 m to 170.491 m170.446 m170.446 m
170.449 m170.374 m to 170.492 m170.446 m170.448 m
170.464 m170.374 m to 170.492 m170.447 m170.464 m
170.461 m170.375 m to 170.495 m170.447 m170.478 m
170.462 m170.376 m to 170.496 m170.448 m170.447 m
170.468 m170.376 m to 170.496 m170.448 m170.451 m
170.482 m170.377 m to 170.499 m170.448 m170.461 m
170.494 m170.377 m to 170.499 m170.449 m170.453 m
170.492 m170.377 m to 170.499 m170.450 m170.465 m
170.491 m170.378 m to 170.503 m170.451 m170.447 m
170.472 m170.380 m to 170.503 m170.452 m170.473 m
170.476 m170.378 m to 170.504 m170.452 m170.478 m
170.459 m170.382 m to 170.504 m170.453 m170.477 m
170.483 m170.384 m to 170.507 m170.454 m170.442 m
170.452 m170.385 m to 170.509 m170.455 m170.455 m
170.471 m170.388 m to 170.510 m170.456 m170.492 m
170.462 m170.389 m to 170.512 m170.456 m170.470 m
170.481 m170.390 m to 170.512 m170.457 m170.457 m
170.488 m170.390 m to 170.512 m170.457 m170.466 m
170.504 m170.389 m to 170.513 m170.457 m170.489 m
170.491 m170.389 m to 170.512 m170.458 m170.472 m
170.485 m170.389 m to 170.513 m170.458 m170.464 m
170.469 m170.389 m to 170.517 m170.459 m170.465 m
170.493 m170.389 m to 170.517 m170.459 m170.508 m
170.482 m170.389 m to 170.514 m170.458 m170.452 m
170.501 m170.389 m to 170.515 m170.456 m170.453 m
170.471 m170.387 m to 170.513 m170.456 m170.447 m
170.475 m170.385 m to 170.512 m170.456 m170.460 m
The last 12 months, against the normal range for each day
The last 12 months, against the normal range for each day 170.25 m 170.50 m 170.75 m Highest 170.885 m 170.475 m
  • Level
  • Below the normal range
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • Our record
Daily averages of the Niagara River at American Falls 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
170.460 m170.385 m to 170.512 m170.456 m
170.463 m170.385 m to 170.510 m170.456 m
170.476 m170.385 m to 170.508 m170.456 m
170.500 m170.384 m to 170.508 m170.456 m
170.460 m170.385 m to 170.510 m170.456 m
170.452 m170.385 m to 170.514 m170.456 m
170.467 m170.379 m to 170.513 m170.456 m
170.466 m170.379 m to 170.513 m170.456 m
170.465 m170.379 m to 170.514 m170.457 m
170.488 m170.376 m to 170.514 m170.457 m
170.469 m170.376 m to 170.512 m170.457 m
170.457 m170.376 m to 170.512 m170.457 m
170.464 m170.376 m to 170.512 m170.456 m
170.465 m170.376 m to 170.513 m170.457 m
170.459 m170.377 m to 170.514 m170.457 m
170.481 m170.378 m to 170.516 m170.457 m
170.484 m170.378 m to 170.516 m170.456 m
170.472 m170.379 m to 170.516 m170.457 m
170.490 m170.379 m to 170.516 m170.456 m
170.446 m170.378 m to 170.513 m170.455 m
170.437 m170.377 m to 170.512 m170.455 m
170.463 m170.376 m to 170.512 m170.453 m
170.465 m170.374 m to 170.512 m170.451 m
170.447 m170.373 m to 170.510 m170.449 m
170.458 m170.371 m to 170.509 m170.445 m
170.501 m170.369 m to 170.508 m170.442 m
170.446 m170.366 m to 170.509 m170.440 m
170.490 m170.364 m to 170.509 m170.438 m
170.391 m170.362 m to 170.506 m170.434 m
170.391 m170.360 m to 170.505 m170.432 m
170.406 m170.359 m to 170.505 m170.429 m
170.363 m170.357 m to 170.504 m170.427 m
170.362 m170.356 m to 170.504 m170.423 m
170.373 m170.355 m to 170.502 m170.421 m
170.359 m170.353 m to 170.502 m170.419 m
170.384 m170.353 m to 170.502 m170.418 m
170.367 m170.353 m to 170.511 m170.417 m
170.385 m170.354 m to 170.518 m170.417 m
170.386 m170.354 m to 170.524 m170.417 m
170.381 m170.352 m to 170.523 m170.416 m
170.365 m170.351 m to 170.517 m170.416 m
170.356 m170.350 m to 170.517 m170.416 m
170.377 m170.349 m to 170.515 m170.416 m
170.380 m170.350 m to 170.517 m170.415 m
170.379 m170.350 m to 170.520 m170.416 m
170.359 m170.349 m to 170.520 m170.416 m
170.365 m170.349 m to 170.517 m170.416 m
170.357 m170.349 m to 170.515 m170.416 m
170.367 m170.349 m to 170.517 m170.417 m
170.350 m170.349 m to 170.525 m170.417 m
170.368 m170.349 m to 170.529 m170.416 m
170.373 m170.348 m to 170.529 m170.416 m
170.364 m170.348 m to 170.523 m170.416 m
170.319 m170.347 m to 170.523 m170.416 m
170.410 m170.348 m to 170.525 m170.415 m
170.371 m170.348 m to 170.528 m170.415 m
170.338 m170.349 m to 170.525 m170.415 m
170.398 m170.349 m to 170.528 m170.415 m
170.366 m170.348 m to 170.528 m170.414 m
170.345 m170.348 m to 170.526 m170.413 m
170.366 m170.349 m to 170.526 m170.413 m
170.352 m170.349 m to 170.525 m170.413 m
170.346 m170.348 m to 170.525 m170.413 m
170.370 m170.348 m to 170.523 m170.412 m
170.364 m170.348 m to 170.520 m170.411 m
170.334 m170.348 m to 170.519 m170.411 m
170.370 m170.348 m to 170.519 m170.410 m
170.396 m170.348 m to 170.518 m170.410 m
170.426 m170.344 m to 170.519 m170.412 m
170.369 m170.343 m to 170.518 m170.413 m
170.378 m170.343 m to 170.516 m170.412 m
170.386 m170.342 m to 170.514 m170.413 m
170.386 m170.342 m to 170.512 m170.412 m
170.365 m170.340 m to 170.511 m170.412 m
170.372 m170.338 m to 170.516 m170.409 m
170.358 m170.338 m to 170.517 m170.409 m
170.377 m170.335 m to 170.523 m170.409 m
170.369 m170.334 m to 170.525 m170.408 m
170.371 m170.333 m to 170.527 m170.408 m
170.350 m170.332 m to 170.528 m170.408 m
170.358 m170.330 m to 170.529 m170.408 m
170.344 m170.328 m to 170.527 m170.407 m
170.351 m170.326 m to 170.528 m170.407 m
170.342 m170.324 m to 170.524 m170.406 m
170.363 m170.323 m to 170.522 m170.403 m
170.349 m170.316 m to 170.525 m170.401 m
170.449 m170.314 m to 170.525 m170.400 m
170.480 m170.312 m to 170.516 m170.399 m
170.388 m170.309 m to 170.515 m170.398 m
170.388 m170.306 m to 170.511 m170.398 m
170.365 m170.301 m to 170.508 m170.398 m
170.376 m170.292 m to 170.501 m170.396 m
170.384 m170.287 m to 170.502 m170.396 m
170.343 m170.284 m to 170.502 m170.393 m
170.429 m170.277 m to 170.498 m170.393 m
170.381 m170.270 m to 170.494 m170.390 m
170.287 m170.269 m to 170.491 m170.389 m
170.304 m170.257 m to 170.486 m170.386 m
170.247 m170.255 m to 170.482 m170.383 m
170.307 m170.253 m to 170.482 m170.381 m
170.349 m170.248 m to 170.481 m170.378 m
170.343 m170.237 m to 170.479 m170.375 m
170.333 m170.230 m to 170.479 m170.372 m
170.359 m170.221 m to 170.476 m170.367 m
170.398 m170.221 m to 170.470 m170.364 m
170.376 m170.221 m to 170.466 m170.361 m
170.358 m170.221 m to 170.467 m170.358 m
170.374 m170.212 m to 170.460 m170.356 m
170.272 m170.203 m to 170.458 m170.353 m
170.257 m170.204 m to 170.457 m170.353 m
170.242 m170.204 m to 170.457 m170.353 m
170.223 m170.204 m to 170.457 m170.352 m
170.182 m170.201 m to 170.456 m170.351 m
170.165 m170.204 m to 170.456 m170.350 m
170.198 m170.204 m to 170.455 m170.347 m
170.194 m170.203 m to 170.454 m170.345 m
170.170 m170.204 m to 170.454 m170.343 m
170.204 m170.204 m to 170.454 m170.342 m
170.194 m170.207 m to 170.454 m170.342 m
170.241 m170.204 m to 170.454 m170.341 m
170.256 m170.203 m to 170.452 m170.340 m
170.284 m170.194 m to 170.450 m170.341 m
170.297 m170.200 m to 170.452 m170.339 m
170.304 m170.198 m to 170.452 m170.338 m
170.280 m170.198 m to 170.453 m170.337 m
170.289 m170.198 m to 170.453 m170.337 m
170.230 m170.200 m to 170.451 m170.336 m
170.235 m170.202 m to 170.450 m170.334 m
170.279 m170.200 m to 170.445 m170.334 m
170.305 m170.198 m to 170.444 m170.336 m
170.355 m170.200 m to 170.445 m170.337 m
170.386 m170.201 m to 170.446 m170.338 m
170.378 m170.200 m to 170.445 m170.342 m
170.324 m170.201 m to 170.450 m170.345 m
170.341 m170.204 m to 170.451 m170.349 m
170.394 m170.211 m to 170.451 m170.352 m
170.356 m170.217 m to 170.451 m170.355 m
170.359 m170.222 m to 170.451 m170.357 m
170.357 m170.231 m to 170.451 m170.358 m
170.386 m170.240 m to 170.451 m170.360 m
170.395 m170.246 m to 170.450 m170.359 m
170.352 m170.253 m to 170.452 m170.360 m
170.353 m170.258 m to 170.452 m170.361 m
170.327 m170.261 m to 170.453 m170.362 m
170.320 m170.267 m to 170.453 m170.363 m
170.352 m170.275 m to 170.453 m170.365 m
170.307 m170.278 m to 170.453 m170.366 m
170.365 m170.283 m to 170.453 m170.366 m
170.357 m170.283 m to 170.452 m170.366 m
170.348 m170.284 m to 170.452 m170.366 m
170.359 m170.291 m to 170.452 m170.367 m
170.354 m170.294 m to 170.453 m170.371 m
170.342 m170.295 m to 170.457 m170.374 m
170.362 m170.298 m to 170.458 m170.375 m
170.344 m170.302 m to 170.458 m170.378 m
170.366 m170.303 m to 170.459 m170.379 m
170.359 m170.303 m to 170.459 m170.380 m
170.349 m170.304 m to 170.458 m170.380 m
170.345 m170.306 m to 170.457 m170.383 m
170.390 m170.310 m to 170.458 m170.385 m
170.351 m170.309 m to 170.462 m170.385 m
170.418 m170.310 m to 170.462 m170.386 m
170.292 m170.312 m to 170.464 m170.386 m
170.405 m170.314 m to 170.465 m170.387 m
170.342 m170.315 m to 170.464 m170.389 m
170.225 m170.316 m to 170.465 m170.390 m
170.368 m170.317 m to 170.465 m170.391 m
170.348 m170.315 m to 170.465 m170.391 m
170.363 m170.317 m to 170.465 m170.390 m
170.359 m170.317 m to 170.466 m170.390 m
170.372 m170.316 m to 170.468 m170.390 m
170.364 m170.317 m to 170.470 m170.390 m
170.388 m170.318 m to 170.474 m170.394 m
170.373 m170.318 m to 170.480 m170.398 m
170.401 m170.318 m to 170.487 m170.402 m
170.335 m170.318 m to 170.491 m170.404 m
170.360 m170.319 m to 170.492 m170.406 m
170.316 m170.318 m to 170.490 m170.409 m
170.361 m170.317 m to 170.492 m170.412 m
170.491 m170.316 m to 170.492 m170.415 m
170.420 m170.312 m to 170.494 m170.417 m
170.440 m170.307 m to 170.494 m170.418 m
170.425 m170.307 m to 170.492 m170.420 m
170.407 m170.297 m to 170.492 m170.422 m
170.417 m170.286 m to 170.492 m170.424 m
170.371 m170.283 m to 170.494 m170.427 m
170.438 m170.280 m to 170.491 m170.428 m
170.447 m170.279 m to 170.490 m170.427 m
170.428 m170.279 m to 170.490 m170.427 m
170.407 m170.278 m to 170.490 m170.427 m
170.418 m170.278 m to 170.489 m170.427 m
170.455 m170.278 m to 170.489 m170.428 m
170.454 m170.282 m to 170.488 m170.428 m
170.437 m170.290 m to 170.490 m170.428 m
170.483 m170.292 m to 170.491 m170.429 m
170.524 m170.304 m to 170.491 m170.431 m
170.477 m170.309 m to 170.491 m170.433 m
170.442 m170.312 m to 170.492 m170.433 m
170.424 m170.326 m to 170.492 m170.434 m
170.410 m170.333 m to 170.492 m170.435 m
170.426 m170.340 m to 170.492 m170.435 m
170.428 m170.342 m to 170.496 m170.435 m
170.422 m170.345 m to 170.498 m170.437 m
170.447 m170.353 m to 170.500 m170.438 m
170.461 m170.357 m to 170.500 m170.440 m
170.438 m170.362 m to 170.502 m170.441 m
170.468 m170.365 m to 170.501 m170.441 m
170.466 m170.367 m to 170.503 m170.442 m
170.458 m170.373 m to 170.502 m170.443 m
170.448 m170.370 m to 170.502 m170.445 m
170.464 m170.368 m to 170.502 m170.445 m
170.458 m170.368 m to 170.502 m170.446 m
170.440 m170.368 m to 170.503 m170.447 m
170.477 m170.368 m to 170.503 m170.447 m
170.472 m170.368 m to 170.504 m170.449 m
170.460 m170.369 m to 170.508 m170.451 m
170.481 m170.370 m to 170.508 m170.451 m
170.452 m170.370 m to 170.508 m170.451 m
170.453 m170.374 m to 170.506 m170.450 m
170.446 m170.374 m to 170.504 m170.450 m
170.445 m170.376 m to 170.504 m170.450 m
170.463 m170.376 m to 170.508 m170.451 m
170.439 m170.377 m to 170.505 m170.453 m
170.440 m170.377 m to 170.505 m170.453 m
170.445 m170.379 m to 170.508 m170.454 m
170.460 m170.381 m to 170.509 m170.455 m
170.471 m170.380 m to 170.509 m170.455 m
170.478 m170.381 m to 170.509 m170.455 m
170.474 m170.381 m to 170.509 m170.455 m
170.433 m170.383 m to 170.508 m170.455 m
170.448 m170.384 m to 170.508 m170.455 m
170.456 m170.384 m to 170.508 m170.456 m
170.482 m170.384 m to 170.510 m170.456 m
170.489 m170.383 m to 170.511 m170.458 m
170.450 m170.380 m to 170.514 m170.458 m
170.422 m170.379 m to 170.517 m170.458 m
170.430 m170.377 m to 170.519 m170.457 m
170.420 m170.379 m to 170.520 m170.457 m
170.441 m170.380 m to 170.522 m170.456 m
170.443 m170.379 m to 170.522 m170.457 m
170.459 m170.380 m to 170.522 m170.456 m
170.464 m170.382 m to 170.524 m170.456 m
170.486 m170.383 m to 170.527 m170.457 m
170.502 m170.383 m to 170.530 m170.457 m
170.484 m170.383 m to 170.534 m170.458 m
170.496 m170.383 m to 170.536 m170.457 m
170.462 m170.383 m to 170.538 m170.458 m
170.454 m170.382 m to 170.539 m170.457 m
170.465 m170.382 m to 170.541 m170.457 m
170.493 m170.383 m to 170.541 m170.458 m
170.478 m170.384 m to 170.546 m170.460 m
170.510 m170.384 m to 170.549 m170.462 m
170.482 m170.384 m to 170.554 m170.465 m
170.474 m170.384 m to 170.554 m170.467 m
170.499 m170.384 m to 170.558 m170.468 m
170.506 m170.383 m to 170.558 m170.470 m
170.460 m170.384 m to 170.559 m170.472 m
170.492 m170.384 m to 170.562 m170.475 m
170.504 m170.384 m to 170.563 m170.478 m
170.473 m170.385 m to 170.563 m170.478 m
170.488 m170.385 m to 170.563 m170.478 m
170.478 m170.385 m to 170.563 m170.480 m
170.511 m170.386 m to 170.563 m170.480 m
170.501 m170.388 m to 170.563 m170.481 m
170.474 m170.389 m to 170.565 m170.483 m
170.511 m170.389 m to 170.564 m170.484 m
170.447 m170.390 m to 170.563 m170.484 m
170.453 m170.392 m to 170.560 m170.483 m
170.498 m170.392 m to 170.560 m170.483 m
170.497 m170.392 m to 170.558 m170.482 m
170.488 m170.393 m to 170.557 m170.482 m
170.494 m170.394 m to 170.556 m170.482 m
170.478 m170.393 m to 170.552 m170.480 m
170.479 m170.394 m to 170.549 m170.480 m
170.462 m170.396 m to 170.547 m170.482 m
170.460 m170.396 m to 170.543 m170.482 m
170.478 m170.396 m to 170.540 m170.480 m
170.491 m170.398 m to 170.539 m170.480 m
170.475 m170.399 m to 170.539 m170.479 m
170.454 m170.401 m to 170.536 m170.478 m
170.452 m170.402 m to 170.535 m170.478 m
170.458 m170.402 m to 170.534 m170.478 m
170.483 m170.402 m to 170.533 m170.477 m
170.500 m170.405 m to 170.532 m170.476 m
170.505 m170.407 m to 170.531 m170.475 m
170.505 m170.406 m to 170.531 m170.473 m
170.476 m170.405 m to 170.529 m170.472 m
170.480 m170.406 m to 170.527 m170.471 m
170.465 m170.407 m to 170.526 m170.471 m
170.491 m170.407 m to 170.524 m170.468 m
170.499 m170.407 m to 170.523 m170.466 m
170.523 m170.406 m to 170.522 m170.465 m
170.468 m170.407 m to 170.521 m170.464 m
170.463 m170.407 m to 170.518 m170.463 m
170.465 m170.407 m to 170.516 m170.460 m
170.484 m170.406 m to 170.514 m170.460 m
170.507 m170.406 m to 170.513 m170.458 m
170.495 m170.405 m to 170.512 m170.457 m
170.454 m170.404 m to 170.509 m170.456 m
170.482 m170.403 m to 170.508 m170.456 m
170.501 m170.404 m to 170.505 m170.456 m
170.478 m170.404 m to 170.501 m170.455 m
170.489 m170.403 m to 170.500 m170.455 m
170.497 m170.399 m to 170.499 m170.454 m
170.500 m170.398 m to 170.497 m170.453 m
170.469 m170.391 m to 170.496 m170.453 m
170.446 m170.390 m to 170.495 m170.452 m
170.483 m170.388 m to 170.495 m170.452 m
170.489 m170.388 m to 170.495 m170.451 m
170.484 m170.388 m to 170.494 m170.451 m
170.456 m170.388 m to 170.494 m170.450 m
170.477 m170.385 m to 170.494 m170.449 m
170.471 m170.384 m to 170.493 m170.447 m
170.482 m170.382 m to 170.494 m170.446 m
170.477 m170.382 m to 170.494 m170.447 m
170.484 m170.381 m to 170.494 m170.447 m
170.488 m170.380 m to 170.493 m170.447 m
170.475 m170.380 m to 170.492 m170.446 m
170.466 m170.380 m to 170.488 m170.446 m
170.518 m170.378 m to 170.487 m170.446 m
170.486 m170.378 m to 170.487 m170.445 m
170.460 m170.379 m to 170.487 m170.444 m
170.475 m170.376 m to 170.487 m170.443 m
170.474 m170.371 m to 170.487 m170.442 m
170.502 m170.370 m to 170.485 m170.441 m
170.446 m170.369 m to 170.485 m170.440 m
170.472 m170.367 m to 170.485 m170.440 m
170.498 m170.367 m to 170.485 m170.441 m
170.469 m170.369 m to 170.485 m170.441 m
170.460 m170.368 m to 170.485 m170.441 m
170.474 m170.369 m to 170.484 m170.441 m
170.478 m170.369 m to 170.484 m170.440 m
no value170.370 m to 170.485 m170.440 m
no value170.370 m to 170.485 m170.441 m
no value170.372 m to 170.486 m170.441 m
no value170.372 m to 170.488 m170.442 m
170.465 m170.371 m to 170.489 m170.444 m
170.443 m170.371 m to 170.489 m170.446 m
170.453 m170.373 m to 170.491 m170.446 m
170.449 m170.374 m to 170.492 m170.446 m
170.464 m170.374 m to 170.492 m170.447 m
170.461 m170.375 m to 170.495 m170.447 m
170.462 m170.376 m to 170.496 m170.448 m
170.468 m170.376 m to 170.496 m170.448 m
170.482 m170.377 m to 170.499 m170.448 m
170.494 m170.377 m to 170.499 m170.449 m
170.492 m170.377 m to 170.499 m170.450 m
170.491 m170.378 m to 170.503 m170.451 m
170.472 m170.380 m to 170.503 m170.452 m
170.476 m170.378 m to 170.504 m170.452 m
170.459 m170.382 m to 170.504 m170.453 m
170.483 m170.384 m to 170.507 m170.454 m
170.452 m170.385 m to 170.509 m170.455 m
170.471 m170.388 m to 170.510 m170.456 m
170.462 m170.389 m to 170.512 m170.456 m
170.481 m170.390 m to 170.512 m170.457 m
170.488 m170.390 m to 170.512 m170.457 m
170.504 m170.389 m to 170.513 m170.457 m
170.491 m170.389 m to 170.512 m170.458 m
170.485 m170.389 m to 170.513 m170.458 m
170.469 m170.389 m to 170.517 m170.459 m
170.493 m170.389 m to 170.517 m170.459 m
170.482 m170.389 m to 170.514 m170.458 m
170.501 m170.389 m to 170.515 m170.456 m
170.471 m170.387 m to 170.513 m170.456 m
170.475 m170.385 m to 170.512 m170.456 m
The last 10 years, weekly averages
The last 10 years, weekly averages 170.0 m 170.5 m Highest 170.885 m Lowest 169.736 m 170.482 m
  • Level
  • Our record
Weekly averages of the Niagara River at American Falls from the week of 3 October 2016 to 4 October 2026.
Table: The last 10 years, weekly averages
Week startingWeekly average (m)
170.470 m
170.472 m
170.455 m
170.460 m
170.391 m
170.344 m
170.359 m
170.385 m
170.364 m
170.371 m
170.493 m
170.384 m
170.340 m
170.341 m
170.297 m
170.343 m
170.318 m
170.321 m
170.311 m
170.290 m
170.328 m
170.335 m
170.337 m
170.313 m
170.351 m
170.364 m
170.426 m
170.434 m
170.443 m
170.450 m
170.453 m
170.450 m
170.464 m
170.485 m
170.472 m
170.486 m
170.492 m
170.487 m
170.462 m
170.451 m
170.442 m
170.437 m
170.439 m
170.433 m
170.434 m
170.449 m
170.449 m
170.454 m
170.445 m
170.449 m
170.468 m
170.470 m
170.458 m
170.459 m
170.452 m
170.463 m
170.399 m
170.372 m
170.362 m
170.353 m
170.367 m
170.349 m
170.345 m
170.342 m
170.332 m
169.951 m
170.152 m
170.224 m
170.324 m
170.244 m
170.240 m
170.320 m
170.329 m
170.370 m
170.370 m
170.362 m
170.375 m
170.380 m
170.381 m
170.452 m
170.477 m
170.511 m
170.503 m
170.496 m
170.501 m
170.495 m
170.486 m
170.499 m
170.481 m
170.510 m
170.512 m
170.522 m
170.522 m
170.519 m
170.497 m
170.479 m
170.492 m
170.489 m
170.480 m
170.475 m
170.507 m
170.493 m
170.491 m
170.487 m
170.485 m
170.492 m
170.507 m
170.487 m
170.437 m
170.387 m
170.384 m
170.389 m
170.372 m
170.371 m
170.380 m
170.369 m
170.370 m
170.359 m
170.359 m
170.351 m
170.242 m
170.236 m
170.289 m
170.252 m
170.298 m
170.352 m
170.326 m
170.383 m
170.367 m
170.373 m
170.469 m
170.452 m
170.442 m
170.344 m
170.458 m
170.456 m
170.439 m
170.421 m
170.440 m
170.440 m
170.409 m
170.394 m
170.436 m
170.304 m
170.380 m
170.380 m
170.396 m
170.438 m
170.446 m
170.458 m
170.449 m
170.456 m
170.469 m
170.470 m
170.485 m
170.479 m
170.486 m
170.482 m
170.471 m
170.471 m
170.447 m
170.353 m
170.353 m
170.353 m
170.373 m
170.357 m
170.363 m
170.348 m
170.352 m
170.347 m
170.343 m
170.350 m
170.338 m
170.330 m
170.337 m
170.329 m
170.335 m
170.363 m
170.336 m
170.334 m
170.343 m
170.338 m
170.408 m
170.410 m
170.384 m
170.442 m
170.433 m
170.413 m
170.442 m
170.440 m
170.410 m
170.400 m
170.424 m
170.484 m
170.479 m
170.490 m
170.494 m
170.457 m
170.439 m
170.439 m
170.440 m
170.442 m
170.354 m
170.333 m
170.335 m
170.340 m
170.346 m
170.342 m
170.346 m
170.354 m
170.358 m
170.373 m
170.361 m
170.276 m
170.276 m
170.431 m
170.413 m
170.390 m
170.396 m
170.407 m
170.403 m
170.403 m
170.408 m
170.389 m
170.379 m
170.394 m
170.392 m
170.219 m
170.388 m
170.398 m
170.385 m
170.413 m
170.419 m
170.412 m
170.486 m
170.542 m
170.540 m
170.532 m
170.534 m
170.537 m
170.536 m
170.538 m
170.546 m
170.543 m
170.561 m
170.563 m
170.565 m
170.575 m
170.546 m
170.557 m
170.529 m
170.523 m
170.534 m
170.535 m
170.536 m
170.538 m
170.546 m
170.550 m
170.545 m
170.533 m
170.532 m
170.539 m
170.539 m
170.528 m
170.537 m
170.420 m
170.431 m
170.417 m
170.426 m
170.419 m
170.427 m
170.412 m
170.411 m
170.413 m
170.405 m
170.395 m
170.398 m
170.403 m
170.426 m
170.409 m
170.392 m
170.410 m
170.378 m
170.372 m
170.396 m
170.356 m
170.381 m
170.461 m
170.450 m
170.432 m
170.440 m
170.441 m
170.448 m
170.451 m
170.462 m
170.472 m
170.476 m
170.495 m
170.482 m
170.504 m
170.509 m
170.492 m
170.475 m
170.464 m
170.469 m
170.469 m
170.481 m
170.471 m
170.451 m
170.456 m
170.455 m
170.452 m
170.441 m
170.466 m
170.473 m
170.463 m
170.463 m
170.380 m
170.365 m
170.358 m
170.361 m
170.363 m
170.374 m
170.364 m
170.403 m
170.338 m
170.347 m
170.342 m
170.330 m
170.317 m
170.321 m
170.361 m
170.352 m
170.359 m
170.331 m
170.316 m
170.311 m
170.324 m
170.344 m
170.425 m
170.411 m
170.421 m
170.428 m
170.437 m
170.445 m
170.459 m
170.468 m
170.491 m
170.507 m
170.516 m
170.496 m
170.460 m
170.496 m
170.510 m
170.497 m
170.498 m
170.475 m
170.478 m
170.466 m
170.473 m
170.475 m
170.483 m
170.475 m
170.463 m
170.473 m
170.449 m
170.449 m
170.459 m
170.458 m
170.385 m
170.354 m
170.359 m
170.354 m
170.335 m
170.341 m
170.340 m
170.329 m
170.330 m
170.333 m
170.317 m
170.335 m
170.325 m
170.314 m
170.326 m
170.304 m
170.324 m
170.316 m
170.314 m
170.305 m
170.304 m
170.320 m
170.397 m
170.385 m
170.380 m
170.385 m
170.415 m
170.430 m
170.427 m
170.433 m
170.453 m
170.458 m
170.453 m
170.452 m
170.464 m
170.446 m
170.448 m
170.435 m
170.435 m
170.460 m
170.437 m
170.432 m
170.452 m
170.463 m
170.450 m
170.447 m
170.467 m
170.467 m
170.454 m
170.450 m
170.452 m
170.456 m
170.418 m
170.372 m
170.372 m
170.366 m
170.366 m
170.367 m
170.367 m
170.362 m
170.359 m
170.352 m
170.345 m
170.364 m
170.254 m
170.260 m
170.276 m
170.268 m
170.175 m
170.319 m
170.329 m
170.343 m
170.340 m
170.297 m
170.320 m
170.299 m
170.319 m
170.433 m
170.451 m
170.473 m
170.474 m
170.477 m
170.466 m
170.459 m
170.478 m
170.496 m
170.488 m
170.490 m
170.481 m
170.468 m
170.485 m
170.479 m
170.472 m
170.476 m
170.470 m
170.444 m
170.450 m
170.457 m
170.462 m
170.473 m
170.464 m
170.469 m
170.469 m
170.465 m
170.446 m
170.373 m
170.376 m
170.364 m
170.368 m
170.358 m
170.380 m
170.371 m
170.351 m
170.404 m
170.328 m
170.359 m
170.245 m
170.208 m
170.274 m
170.338 m
170.371 m
170.340 m
170.354 m
170.358 m
170.344 m
170.370 m
170.409 m
170.418 m
170.467 m
170.431 m
170.457 m
170.462 m
170.448 m
170.463 m
170.442 m
170.479 m
170.479 m
170.489 m
170.482 m
170.485 m
170.467 m
170.488 m
170.485 m
170.487 m
170.481 m
170.476 m
170.479 m
170.474 m
no value
170.463 m
170.481 m
170.478 m
170.482 m
The whole record since 1976, monthly averages
The whole record since 1976, monthly averages 170.2 m 170.4 m 170.6 m 170.8 m Highest 170.885 m 170.473 m
  • Level
  • Our record
Monthly averages of the Niagara River at American Falls from 14 June 1976 to 4 October 2026.
Table: The whole record since 1976, monthly averages
Month startingMonthly average (m)
170.428 m
170.435 m
170.401 m
170.404 m
170.390 m
170.348 m
170.325 m
170.186 m
170.339 m
170.416 m
170.420 m
170.458 m
170.452 m
170.484 m
170.463 m
170.496 m
170.458 m
170.461 m
170.495 m
170.300 m
170.201 m
170.365 m
170.367 m
170.360 m
170.409 m
170.416 m
170.413 m
170.412 m
170.387 m
170.423 m
170.439 m
170.376 m
170.263 m
170.414 m
170.296 m
170.398 m
170.426 m
170.444 m
170.433 m
170.435 m
170.463 m
170.496 m
170.482 m
170.494 m
170.440 m
170.429 m
170.393 m
170.397 m
170.417 m
170.456 m
170.415 m
170.446 m
170.450 m
170.451 m
170.434 m
170.346 m
170.398 m
170.453 m
170.437 m
170.459 m
170.480 m
170.450 m
170.449 m
170.451 m
170.442 m
170.376 m
170.420 m
170.335 m
170.354 m
170.418 m
170.388 m
170.417 m
170.423 m
170.388 m
170.438 m
170.451 m
170.457 m
170.436 m
170.455 m
170.398 m
170.368 m
170.366 m
170.378 m
170.368 m
170.398 m
170.477 m
170.439 m
170.429 m
170.457 m
170.487 m
170.592 m
170.376 m
170.371 m
170.465 m
170.461 m
170.487 m
170.555 m
170.505 m
170.433 m
170.413 m
170.380 m
170.483 m
170.484 m
170.427 m
170.194 m
170.403 m
170.360 m
170.429 m
170.419 m
170.442 m
170.351 m
170.385 m
170.430 m
170.562 m
170.585 m
170.298 m
170.300 m
170.333 m
170.285 m
170.473 m
170.541 m
170.470 m
170.401 m
170.373 m
170.432 m
170.486 m
170.536 m
170.487 m
170.445 m
170.458 m
170.374 m
170.328 m
170.368 m
170.414 m
170.380 m
170.388 m
170.381 m
170.365 m
170.390 m
170.365 m
170.364 m
170.364 m
170.313 m
170.418 m
170.404 m
170.410 m
170.414 m
170.390 m
170.428 m
170.434 m
170.438 m
170.426 m
170.271 m
170.285 m
170.378 m
170.424 m
170.406 m
170.454 m
170.435 m
170.425 m
170.403 m
170.435 m
170.310 m
170.402 m
170.375 m
170.380 m
170.417 m
170.450 m
170.407 m
170.428 m
170.460 m
170.467 m
170.462 m
170.472 m
170.506 m
170.442 m
170.438 m
170.446 m
170.460 m
170.422 m
170.376 m
170.381 m
170.360 m
170.374 m
170.376 m
170.429 m
170.427 m
170.341 m
170.263 m
170.373 m
170.424 m
170.401 m
170.435 m
170.502 m
170.492 m
170.502 m
170.473 m
170.579 m
170.528 m
170.463 m
170.364 m
170.414 m
170.421 m
170.418 m
170.437 m
170.433 m
170.416 m
170.442 m
170.439 m
170.397 m
170.379 m
170.298 m
170.282 m
170.453 m
170.415 m
170.492 m
170.432 m
170.462 m
170.451 m
170.441 m
170.441 m
170.462 m
170.421 m
170.432 m
170.339 m
170.370 m
170.249 m
170.445 m
170.436 m
170.478 m
170.428 m
170.431 m
170.457 m
170.432 m
170.410 m
no value
no value
no value
no value
no value
no value
no value
no value
170.503 m
170.511 m
170.489 m
170.490 m
170.360 m
170.402 m
170.415 m
170.415 m
170.425 m
170.439 m
170.473 m
170.413 m
170.447 m
170.435 m
170.514 m
170.482 m
170.473 m
170.444 m
170.431 m
170.386 m
170.383 m
170.465 m
170.467 m
170.413 m
170.407 m
170.423 m
170.457 m
170.451 m
170.300 m
170.393 m
170.422 m
170.434 m
170.463 m
170.511 m
170.495 m
170.436 m
170.453 m
170.479 m
170.440 m
170.438 m
170.375 m
170.386 m
170.435 m
170.422 m
170.430 m
170.531 m
170.490 m
170.438 m
170.436 m
170.445 m
170.447 m
170.419 m
170.361 m
170.413 m
170.416 m
170.461 m
170.482 m
170.522 m
170.514 m
170.468 m
170.462 m
170.474 m
170.431 m
170.437 m
170.397 m
170.393 m
170.373 m
170.436 m
170.444 m
170.448 m
170.456 m
170.426 m
170.423 m
170.444 m
170.399 m
170.399 m
170.304 m
170.323 m
170.382 m
170.431 m
170.491 m
170.439 m
170.498 m
170.472 m
170.464 m
170.455 m
170.423 m
170.417 m
170.366 m
170.368 m
170.397 m
170.456 m
170.481 m
170.530 m
170.527 m
170.481 m
170.470 m
170.470 m
170.427 m
170.441 m
170.432 m
170.417 m
170.420 m
170.455 m
170.465 m
170.467 m
170.468 m
170.421 m
170.457 m
170.470 m
170.469 m
170.439 m
170.448 m
170.456 m
170.441 m
170.486 m
170.476 m
170.551 m
170.548 m
170.471 m
170.473 m
170.490 m
170.427 m
170.384 m
170.360 m
170.219 m
170.358 m
170.386 m
170.467 m
170.422 m
170.454 m
170.448 m
170.463 m
170.466 m
170.427 m
170.417 m
170.371 m
170.397 m
170.395 m
170.441 m
170.468 m
170.470 m
170.480 m
170.448 m
170.461 m
170.473 m
170.415 m
170.408 m
170.357 m
170.396 m
170.391 m
170.446 m
170.486 m
170.539 m
170.520 m
170.477 m
170.470 m
170.463 m
170.407 m
170.396 m
170.339 m
170.294 m
170.366 m
170.465 m
170.457 m
170.528 m
170.486 m
170.478 m
170.471 m
170.510 m
170.426 m
170.423 m
170.374 m
170.359 m
170.376 m
170.476 m
170.502 m
170.554 m
170.514 m
170.458 m
170.457 m
170.464 m
170.409 m
170.390 m
170.371 m
170.346 m
170.332 m
170.428 m
170.441 m
170.488 m
170.446 m
170.408 m
170.431 m
170.462 m
170.386 m
170.395 m
170.377 m
170.334 m
170.335 m
170.458 m
170.493 m
170.540 m
170.503 m
170.468 m
170.470 m
170.495 m
170.414 m
170.410 m
170.326 m
170.294 m
170.382 m
170.479 m
170.469 m
170.460 m
170.472 m
170.440 m
170.456 m
170.458 m
170.380 m
170.345 m
170.296 m
170.295 m
170.352 m
170.453 m
170.483 m
170.504 m
170.497 m
170.464 m
170.454 m
170.458 m
170.358 m
170.343 m
170.325 m
170.288 m
170.340 m
170.450 m
170.440 m
170.490 m
170.481 m
170.464 m
170.461 m
170.465 m
170.367 m
170.393 m
170.326 m
170.312 m
170.334 m
170.439 m
170.464 m
170.482 m
170.443 m
170.443 m
170.457 m
170.456 m
170.368 m
170.344 m
170.171 m
170.298 m
170.368 m
170.457 m
170.497 m
170.499 m
170.512 m
170.484 m
170.493 m
170.494 m
170.384 m
170.373 m
170.309 m
170.297 m
170.356 m
170.430 m
170.441 m
170.421 m
170.372 m
170.450 m
170.476 m
170.478 m
170.362 m
170.356 m
170.342 m
170.340 m
170.338 m
170.419 m
170.426 m
170.449 m
170.464 m
170.394 m
170.342 m
170.363 m
170.349 m
170.397 m
170.395 m
170.349 m
170.409 m
170.537 m
170.539 m
170.562 m
170.541 m
170.535 m
170.542 m
170.535 m
170.423 m
170.416 m
170.405 m
170.405 m
170.372 m
170.443 m
170.452 m
170.484 m
170.488 m
170.473 m
170.448 m
170.466 m
170.362 m
170.369 m
170.335 m
170.348 m
170.318 m
170.421 m
170.454 m
170.496 m
170.499 m
170.474 m
170.473 m
170.454 m
170.352 m
170.337 m
170.326 m
170.317 m
170.312 m
170.388 m
170.431 m
170.458 m
170.443 m
170.446 m
170.459 m
170.453 m
170.369 m
170.363 m
170.317 m
170.253 m
170.325 m
170.355 m
170.473 m
170.480 m
170.481 m
170.466 m
170.462 m
170.466 m
170.371 m
170.372 m
170.298 m
170.327 m
170.355 m
170.441 m
170.454 m
170.483 m
170.481 m
170.478 m
170.473 m
no value

4 October in the last 10 years

DayLevel
170.46 m
170.436 m
170.448 m
170.478 m
170.538 m
170.348 m
170.482 m
170.476 m
170.478 m
170.446 m

Year by year

YearDays with a valueDays below the normal range
to 27510
36528
36617
36543
36510
3654
36687
36566
36517
36519
36619
36421
36531
36512
3668
3652
3655
3653
3669
36534
3644
3653
3662
36513
3487
3656
36310
36512
36557
36445
1220
36537
36523
36529
36633
365124
36526
36266
36655
365141
36577
365116
36643
36546
36552
36522
36627
36541
36593
36533
20175

Records

  • Highest daily average in our series since 14 June 1976: 170.885 m on 15 December 1985.
  • Lowest daily average in our series since 14 June 1976: 169.736 m on 5 January 2018.

See also