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River level River Colne at London Colney

Latest recorded level 1.34m at 6:00pm Wednesday 20 January 2021.

Levels: last 5 days and next 36 hours

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Observed data

DateTime Value Error
1.335 false
1.333 false
1.333 false
1.333 false
1.333 false
1.331 false
1.332 false
1.33 false
1.331 false
1.329 false
1.329 false
1.33 false
1.33 false
1.33 false
1.33 false
1.331 false
1.33 false
1.331 false
1.33 false
1.332 false
1.333 false
1.334 false
1.335 false
1.335 false
1.335 false
1.335 false
1.336 false
1.336 false
1.337 false
1.337 false
1.338 false
1.339 false
1.339 false
1.338 false
1.338 false
1.339 false
1.339 false
1.34 false
1.34 false
1.342 false
1.341 false
1.341 false
1.342 false
1.342 false
1.343 false
1.343 false
1.344 false
1.345 false
1.345 false
1.345 false
1.348 false
1.347 false
1.349 false
1.349 false
1.349 false
1.348 false
1.35 false
1.351 false
1.352 false
1.353 false
1.355 false
1.355 false
1.355 false
1.356 false
1.357 false
1.358 false
1.359 false
1.36 false
1.36 false
1.363 false
1.363 false
1.363 false
1.365 false
1.366 false
1.366 false
1.369 false
1.37 false
1.371 false
1.371 false
1.373 false
1.375 false
1.375 false
1.377 false
1.378 false
1.38 false
1.381 false
1.382 false
1.383 false
1.385 false
1.384 false
1.386 false
1.386 false
1.387 false
1.389 false
1.389 false
1.388 false
1.391 false
1.389 false
1.389 false
1.389 false
1.387 false
1.389 false
1.387 false
1.387 false
1.386 false
1.384 false
1.381 false
1.379 false
1.377 false
1.374 false
1.37 false
1.368 false
1.363 false
1.361 false
1.359 false
1.355 false
1.354 false
1.352 false
1.349 false
1.347 false
1.345 false
1.341 false
1.34 false
1.338 false
1.337 false
1.334 false
1.334 false
1.332 false
1.332 false
1.331 false
1.33 false
1.33 false
1.33 false
1.329 false
1.33 false
1.33 false
1.329 false
1.329 false
1.329 false
1.329 false
1.329 false
1.33 false
1.329 false
1.328 false
1.329 false
1.329 false
1.331 false
1.331 false
1.33 false
1.331 false
1.332 false
1.332 false
1.332 false
1.333 false
1.332 false
1.333 false
1.334 false
1.334 false
1.333 false
1.333 false
1.334 false
1.335 false
1.336 false
1.335 false
1.335 false
1.336 false
1.337 false
1.338 false
1.339 false
1.339 false
1.34 false
1.34 false
1.341 false
1.342 false
1.342 false
1.342 false
1.343 false
1.344 false
1.344 false
1.344 false
1.344 false
1.344 false
1.344 false
1.345 false
1.345 false
1.345 false
1.345 false
1.345 false
1.345 false
1.346 false
1.345 false
1.345 false
1.346 false
1.346 false
1.346 false
1.347 false
1.347 false
1.347 false
1.347 false
1.348 false
1.348 false
1.348 false
1.349 false
1.349 false
1.349 false
1.349 false
1.35 false
1.35 false
1.35 false
1.35 false
1.351 false
1.352 false
1.351 false
1.352 false
1.353 false
1.353 false
1.355 false
1.35 false
1.352 false
1.351 false
1.353 false
1.354 false
1.355 false
1.356 false
1.357 false
1.357 false
1.359 false
1.358 false
1.36 false
1.361 false
1.361 false
1.363 false
1.364 false
1.365 false
1.366 false
1.367 false
1.367 false
1.366 false
1.368 false
1.369 false
1.369 false
1.368 false
1.369 false
1.369 false
1.371 false
1.372 false
1.372 false
1.373 false
1.373 false
1.375 false
1.376 false
1.377 false
1.378 false
1.379 false
1.38 false
1.381 false
1.382 false
1.385 false
1.384 false
1.387 false
1.387 false
1.389 false
1.389 false
1.391 false
1.393 false
1.395 false
1.397 false
1.397 false
1.399 false
1.401 false
1.402 false
1.404 false
1.403 false
1.403 false
1.405 false
1.407 false
1.409 false
1.41 false
1.411 false
1.412 false
1.413 false
1.412 false
1.415 false
1.416 false
1.418 false
1.419 false
1.421 false
1.424 false
1.426 false
1.428 false
1.431 false
1.433 false
1.435 false
1.437 false
1.439 false
1.442 false
1.445 false
1.447 false
1.449 false
1.451 false
1.452 false
1.453 false
1.455 false
1.458 false
1.46 false
1.462 false
1.464 false
1.467 false
1.468 false
1.47 false
1.473 false
1.475 false
1.478 false
1.483 false
1.485 false
1.487 false
1.491 false
1.493 false
1.495 false
1.498 false
1.501 false
1.504 false
1.507 false
1.51 false
1.511 false
1.515 false
1.518 false
1.523 false
1.528 false
1.533 false
1.539 false
1.544 false
1.55 false
1.556 false
1.563 false
1.569 false
1.577 false
1.583 false
1.589 false
1.596 false
1.601 false
1.607 false
1.614 false
1.618 false
1.624 false
1.629 false
1.633 false
1.635 false
1.639 false
1.642 false
1.644 false
1.645 false
1.646 false
1.647 false
1.647 false
1.646 false
1.645 false
1.644 false
1.643 false
1.642 false
1.64 false
1.638 false
1.635 false
1.632 false
1.629 false
1.626 false
1.623 false
1.618 false
1.614 false
1.61 false
1.606 false
1.601 false
1.597 false
1.592 false
1.589 false
1.584 false
1.58 false
1.576 false
1.572 false
1.568 false
1.563 false
1.559 false
1.553 false
1.548 false
1.541 false
1.534 false
1.528 false
1.523 false
1.517 false
1.51 false
1.502 false
1.493 false
1.483 false
1.473 false
1.461 false
1.45 false
1.44 false
1.431 false
1.424 false
1.419 false
1.414 false
1.41 false
1.406 false
1.402 false
1.399 false
1.397 false
1.395 false
1.393 false
1.392 false
1.392 false
1.391 false
1.391 false
1.39 false
1.39 false
1.39 false
1.391 false
1.392 false
1.393 false
1.394 false
1.395 false
1.394 false
1.395 false
1.395 false
1.393 false
1.394 false
1.393 false
1.394 false
1.394 false
1.394 false
1.396 false
1.397 false
1.398 false
1.399 false
1.4 false
1.402 false
1.405 false
1.408 false
1.411 false
1.412 false
1.405 false
1.405 false
1.407 false
1.408 false
1.41 false
1.413 false
1.414 false
1.415 false
1.416 false
1.416 false
1.419 false
1.421 false
1.422 false
1.424 false
1.427 false
1.427 false
1.429 false
1.429 false
1.432 false
1.434 false
1.436 false
1.437 false
1.439 false
1.442 false

Forecast data

1.335
1.335
1.337
1.337
1.338
1.338
1.339
1.339
1.339
1.340
1.340
1.340
1.340
1.340
1.340
1.340
1.340
1.340
1.341
1.341
1.341
1.341
1.341
1.342
1.343
1.344
1.344
1.345
1.346
1.347
1.347
1.348
1.350
1.351
1.352
1.353
1.354
1.356
1.356
1.357
1.357
1.358
1.358
1.358
1.359
1.358
1.358
1.358
1.358
1.357
1.356
1.356
1.355
1.354
1.354
1.353
1.352
1.351
1.351
1.350
1.348
1.348
1.347
1.346
1.346
1.348
1.352
1.358
1.368
1.380
1.394
1.407
1.419
1.430
1.438
1.445
1.451
1.456
1.458
1.461
1.462
1.463
1.461
1.460
1.458
1.455
1.451
1.448
1.444
1.440
1.435
1.430
1.426
1.421
1.417
1.413
1.409
1.404
1.400
1.396
1.392
1.387
1.383
1.379
1.375
1.370
1.366
1.362
1.358
1.354
1.350
1.347
1.343
1.340
1.335
1.332
1.330
1.328
1.324
1.322
1.321
1.319
1.316
1.315
1.314
1.313
1.311
1.310
1.309
1.309
1.307
1.307
1.307
1.306
1.306
1.305
1.305
1.306
1.306
1.305
1.305
1.305
1.305
1.305
1.305
Forecasts contain uncertainty and can change frequently. For the latest information, always check for up to date flood warnings and alerts in your area.


What effect could these levels have on nearby areas?

Typical range at this location

0.94m to 1.85m.

Above 1.85m flooding of low-lying land may occur in these areas

Above 2.30m some property flooding may occur in these areas

Highest forecast level at this location

The highest level forecast in the next 36 hours is 1.46m at 2:15pm Thursday 21 January 2021.

Highest level recorded at this location

2.72m on 30 October 2000


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