River level River Cam at Great Chesterford

Check for flood warnings in this area

Latest recorded level 0.27m at 12:00pm Sunday 24 January 2021.

River levels at this location in the last 5 days

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• Measured level
• When the water level reaches 0.33m here, minor flooding is possible in this area
• Highest recorded level. Hide
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Observed data

DateTime	Value	Error
2021-01-24T12:00Z	0.269	false
2021-01-24T11:45Z	0.269	false
2021-01-24T11:30Z	0.269	false
2021-01-24T11:15Z	0.269	false
2021-01-24T11:00Z	0.269	false
2021-01-24T10:45Z	0.269	false
2021-01-24T10:30Z	0.269	false
2021-01-24T10:15Z	0.269	false
2021-01-24T10:00Z	0.269	false
2021-01-24T09:45Z	0.27	false
2021-01-24T09:30Z	0.27	false
2021-01-24T09:15Z	0.27	false
2021-01-24T09:00Z	0.27	false
2021-01-24T08:45Z	0.271	false
2021-01-24T08:30Z	0.271	false
2021-01-24T08:15Z	0.271	false
2021-01-24T08:00Z	0.271	false
2021-01-24T07:45Z	0.271	false
2021-01-24T07:30Z	0.271	false
2021-01-24T07:15Z	0.271	false
2021-01-24T07:00Z	0.271	false
2021-01-24T06:45Z	0.271	false
2021-01-24T06:30Z	0.271	false
2021-01-24T06:15Z	0.271	false
2021-01-24T06:00Z	0.271	false
2021-01-24T05:45Z	0.271	false
2021-01-24T05:30Z	0.271	false
2021-01-24T05:15Z	0.271	false
2021-01-24T05:00Z	0.271	false
2021-01-24T04:45Z	0.271	false
2021-01-24T04:30Z	0.271	false
2021-01-24T04:15Z	0.271	false
2021-01-24T04:00Z	0.271	false
2021-01-24T03:45Z	0.271	false
2021-01-24T03:30Z	0.271	false
2021-01-24T03:15Z	0.271	false
2021-01-24T03:00Z	0.271	false
2021-01-24T02:45Z	0.271	false
2021-01-24T02:30Z	0.271	false
2021-01-24T02:15Z	0.271	false
2021-01-24T02:00Z	0.271	false
2021-01-24T01:45Z	0.271	false
2021-01-24T01:30Z	0.271	false
2021-01-24T01:15Z	0.271	false
2021-01-24T01:00Z	0.271	false
2021-01-24T00:45Z	0.271	false
2021-01-24T00:30Z	0.271	false
2021-01-24T00:15Z	0.271	false
2021-01-24T00:00Z	0.271	false
2021-01-23T23:45Z	0.271	false
2021-01-23T23:30Z	0.271	false
2021-01-23T23:15Z	0.271	false
2021-01-23T23:00Z	0.271	false
2021-01-23T22:45Z	0.271	false
2021-01-23T22:30Z	0.271	false
2021-01-23T22:15Z	0.271	false
2021-01-23T22:00Z	0.271	false
2021-01-23T21:45Z	0.271	false
2021-01-23T21:30Z	0.271	false
2021-01-23T21:15Z	0.271	false
2021-01-23T21:00Z	0.271	false
2021-01-23T20:45Z	0.271	false
2021-01-23T20:30Z	0.271	false
2021-01-23T20:15Z	0.271	false
2021-01-23T20:00Z	0.27	false
2021-01-23T19:45Z	0.27	false
2021-01-23T19:30Z	0.27	false
2021-01-23T19:15Z	0.27	false
2021-01-23T19:00Z	0.269	false
2021-01-23T18:45Z	0.269	false
2021-01-23T18:30Z	0.269	false
2021-01-23T18:15Z	0.269	false
2021-01-23T18:00Z	0.268	false
2021-01-23T17:45Z	0.268	false
2021-01-23T17:30Z	0.268	false
2021-01-23T17:15Z	0.267	false
2021-01-23T17:00Z	0.267	false
2021-01-23T16:45Z	0.267	false
2021-01-23T16:30Z	0.267	false
2021-01-23T16:15Z	0.267	false
2021-01-23T16:00Z	0.267	false
2021-01-23T15:45Z	0.267	false
2021-01-23T15:30Z	0.267	false
2021-01-23T15:15Z	0.267	false
2021-01-23T15:00Z	0.267	false
2021-01-23T14:45Z	0.267	false
2021-01-23T14:30Z	0.267	false
2021-01-23T14:15Z	0.267	false
2021-01-23T14:00Z	0.267	false
2021-01-23T13:45Z	0.267	false
2021-01-23T13:30Z	0.267	false
2021-01-23T13:15Z	0.267	false
2021-01-23T13:00Z	0.267	false
2021-01-23T12:45Z	0.267	false
2021-01-23T12:30Z	0.267	false
2021-01-23T12:15Z	0.267	false
2021-01-23T12:00Z	0.267	false
2021-01-23T11:45Z	0.267	false
2021-01-23T11:30Z	0.267	false
2021-01-23T11:15Z	0.268	false
2021-01-23T11:00Z	0.268	false
2021-01-23T10:45Z	0.27	false
2021-01-23T10:30Z	0.271	false
2021-01-23T10:15Z	0.272	false
2021-01-23T10:00Z	0.275	false
2021-01-23T09:45Z	0.278	false
2021-01-23T09:30Z	0.281	false
2021-01-23T09:15Z	0.284	false
2021-01-23T09:00Z	0.287	false
2021-01-23T08:45Z	0.289	false
2021-01-23T08:30Z	0.291	false
2021-01-23T08:15Z	0.292	false
2021-01-23T08:00Z	0.293	false
2021-01-23T07:45Z	0.294	false
2021-01-23T07:30Z	0.294	false
2021-01-23T07:15Z	0.294	false
2021-01-23T07:00Z	0.294	false
2021-01-23T06:45Z	0.294	false
2021-01-23T06:30Z	0.294	false
2021-01-23T06:15Z	0.294	false
2021-01-23T06:00Z	0.294	false
2021-01-23T05:45Z	0.295	false
2021-01-23T05:30Z	0.295	false
2021-01-23T05:15Z	0.295	false
2021-01-23T05:00Z	0.296	false
2021-01-23T04:45Z	0.296	false
2021-01-23T04:30Z	0.296	false
2021-01-23T04:15Z	0.297	false
2021-01-23T04:00Z	0.297	false
2021-01-23T03:45Z	0.297	false
2021-01-23T03:30Z	0.297	false
2021-01-23T03:15Z	0.297	false
2021-01-23T03:00Z	0.297	false
2021-01-23T02:45Z	0.298	false
2021-01-23T02:30Z	0.298	false
2021-01-23T02:15Z	0.298	false
2021-01-23T02:00Z	0.298	false
2021-01-23T01:45Z	0.298	false
2021-01-23T01:30Z	0.298	false
2021-01-23T01:15Z	0.297	false
2021-01-23T01:00Z	0.297	false
2021-01-23T00:45Z	0.296	false
2021-01-23T00:30Z	0.295	false
2021-01-23T00:15Z	0.294	false
2021-01-23T00:00Z	0.292	false
2021-01-22T23:45Z	0.292	false
2021-01-22T23:30Z	0.291	false
2021-01-22T23:15Z	0.29	false
2021-01-22T23:00Z	0.29	false
2021-01-22T22:45Z	0.29	false
2021-01-22T22:30Z	0.29	false
2021-01-22T22:15Z	0.29	false
2021-01-22T22:00Z	0.291	false
2021-01-22T21:45Z	0.291	false
2021-01-22T21:30Z	0.291	false
2021-01-22T21:15Z	0.291	false
2021-01-22T21:00Z	0.291	false
2021-01-22T20:45Z	0.291	false
2021-01-22T20:30Z	0.293	false
2021-01-22T20:15Z	0.293	false
2021-01-22T20:00Z	0.293	false
2021-01-22T19:45Z	0.294	false
2021-01-22T19:30Z	0.294	false
2021-01-22T19:15Z	0.294	false
2021-01-22T19:00Z	0.294	false
2021-01-22T18:45Z	0.294	false
2021-01-22T18:30Z	0.295	false
2021-01-22T18:15Z	0.295	false
2021-01-22T18:00Z	0.295	false
2021-01-22T17:45Z	0.296	false
2021-01-22T17:30Z	0.296	false
2021-01-22T17:15Z	0.296	false
2021-01-22T17:00Z	0.296	false
2021-01-22T16:45Z	0.297	false
2021-01-22T16:30Z	0.297	false
2021-01-22T16:15Z	0.297	false
2021-01-22T16:00Z	0.297	false
2021-01-22T15:45Z	0.298	false
2021-01-22T15:30Z	0.298	false
2021-01-22T15:15Z	0.298	false
2021-01-22T15:00Z	0.299	false
2021-01-22T14:45Z	0.299	false
2021-01-22T14:30Z	0.299	false
2021-01-22T14:15Z	0.299	false
2021-01-22T14:00Z	0.299	false
2021-01-22T13:45Z	0.3	false
2021-01-22T13:30Z	0.3	false
2021-01-22T13:15Z	0.301	false
2021-01-22T13:00Z	0.301	false
2021-01-22T12:45Z	0.301	false
2021-01-22T12:30Z	0.302	false
2021-01-22T12:15Z	0.302	false
2021-01-22T12:00Z	0.302	false
2021-01-22T11:45Z	0.302	false
2021-01-22T11:30Z	0.302	false
2021-01-22T11:15Z	0.302	false
2021-01-22T11:00Z	0.302	false
2021-01-22T10:45Z	0.303	false
2021-01-22T10:30Z	0.303	false
2021-01-22T10:15Z	0.304	false
2021-01-22T10:00Z	0.304	false
2021-01-22T09:45Z	0.304	false
2021-01-22T09:30Z	0.304	false
2021-01-22T09:15Z	0.305	false
2021-01-22T09:00Z	0.305	false
2021-01-22T08:45Z	0.306	false
2021-01-22T08:30Z	0.306	false
2021-01-22T08:15Z	0.306	false
2021-01-22T08:00Z	0.306	false
2021-01-22T07:45Z	0.306	false
2021-01-22T07:30Z	0.306	false
2021-01-22T07:15Z	0.306	false
2021-01-22T07:00Z	0.306	false
2021-01-22T06:45Z	0.306	false
2021-01-22T06:30Z	0.306	false
2021-01-22T06:15Z	0.306	false
2021-01-22T06:00Z	0.306	false
2021-01-22T05:45Z	0.306	false
2021-01-22T05:30Z	0.306	false
2021-01-22T05:15Z	0.308	false
2021-01-22T05:00Z	0.309	false
2021-01-22T04:45Z	0.309	false
2021-01-22T04:30Z	0.309	false
2021-01-22T04:15Z	0.309	false
2021-01-22T04:00Z	0.309	false
2021-01-22T03:45Z	0.309	false
2021-01-22T03:30Z	0.309	false
2021-01-22T03:15Z	0.309	false
2021-01-22T03:00Z	0.31	false
2021-01-22T02:45Z	0.31	false
2021-01-22T02:30Z	0.31	false
2021-01-22T02:15Z	0.31	false
2021-01-22T02:00Z	0.31	false
2021-01-22T01:45Z	0.31	false
2021-01-22T01:30Z	0.311	false
2021-01-22T01:15Z	0.311	false
2021-01-22T01:00Z	0.311	false
2021-01-22T00:45Z	0.311	false
2021-01-22T00:30Z	0.311	false
2021-01-22T00:15Z	0.311	false
2021-01-22T00:00Z	0.311	false
2021-01-21T23:45Z	0.311	false
2021-01-21T23:30Z	0.311	false
2021-01-21T23:15Z	0.311	false
2021-01-21T23:00Z	0.311	false
2021-01-21T22:45Z	0.311	false
2021-01-21T22:30Z	0.311	false
2021-01-21T22:15Z	0.311	false
2021-01-21T22:00Z	0.311	false
2021-01-21T21:45Z	0.311	false
2021-01-21T21:30Z	0.311	false
2021-01-21T21:15Z	0.311	false
2021-01-21T21:00Z	0.311	false
2021-01-21T20:45Z	0.311	false
2021-01-21T20:30Z	0.311	false
2021-01-21T20:15Z	0.311	false
2021-01-21T20:00Z	0.311	false
2021-01-21T19:45Z	0.311	false
2021-01-21T19:30Z	0.311	false
2021-01-21T19:15Z	0.311	false
2021-01-21T19:00Z	0.311	false
2021-01-21T18:45Z	0.311	false
2021-01-21T18:30Z	0.31	false
2021-01-21T18:15Z	0.31	false
2021-01-21T18:00Z	0.31	false
2021-01-21T17:45Z	0.31	false
2021-01-21T17:30Z	0.31	false
2021-01-21T17:15Z	0.309	false
2021-01-21T17:00Z	0.309	false
2021-01-21T16:45Z	0.308	false
2021-01-21T16:30Z	0.308	false
2021-01-21T16:15Z	0.307	false
2021-01-21T16:00Z	0.307	false
2021-01-21T15:45Z	0.305	false
2021-01-21T15:30Z	0.305	false
2021-01-21T15:15Z	0.305	false
2021-01-21T15:00Z	0.303	false
2021-01-21T14:45Z	0.303	false
2021-01-21T14:30Z	0.302	false
2021-01-21T14:15Z	0.301	false
2021-01-21T14:00Z	0.299	false
2021-01-21T13:45Z	0.298	false
2021-01-21T13:30Z	0.297	false
2021-01-21T13:15Z	0.294	false
2021-01-21T13:00Z	0.292	false
2021-01-21T12:45Z	0.291	false
2021-01-21T12:30Z	0.29	false
2021-01-21T12:15Z	0.288	false
2021-01-21T12:00Z	0.288	false
2021-01-21T11:45Z	0.288	false
2021-01-21T11:30Z	0.288	false
2021-01-21T11:15Z	0.289	false
2021-01-21T11:00Z	0.29	false
2021-01-21T10:45Z	0.292	false
2021-01-21T10:30Z	0.295	false
2021-01-21T10:15Z	0.299	false
2021-01-21T10:00Z	0.302	false
2021-01-21T09:45Z	0.303	false
2021-01-21T09:30Z	0.305	false
2021-01-21T09:15Z	0.305	false
2021-01-21T09:00Z	0.306	false
2021-01-21T08:45Z	0.306	false
2021-01-21T08:30Z	0.305	false
2021-01-21T08:15Z	0.306	false
2021-01-21T08:00Z	0.306	false
2021-01-21T07:45Z	0.306	false
2021-01-21T07:30Z	0.307	false
2021-01-21T07:15Z	0.306	false
2021-01-21T07:00Z	0.306	false
2021-01-21T06:45Z	0.307	false
2021-01-21T06:30Z	0.307	false
2021-01-21T06:15Z	0.307	false
2021-01-21T06:00Z	0.307	false
2021-01-21T05:45Z	0.307	false
2021-01-21T05:30Z	0.307	false
2021-01-21T05:15Z	0.307	false
2021-01-21T05:00Z	0.307	false
2021-01-21T04:45Z	0.307	false
2021-01-21T04:30Z	0.308	false
2021-01-21T04:15Z	0.307	false
2021-01-21T04:00Z	0.307	false
2021-01-21T03:45Z	0.307	false
2021-01-21T03:30Z	0.306	false
2021-01-21T03:15Z	0.307	false
2021-01-21T03:00Z	0.304	false
2021-01-21T02:45Z	0.304	false
2021-01-21T02:30Z	0.304	false
2021-01-21T02:15Z	0.304	false
2021-01-21T02:00Z	0.305	false
2021-01-21T01:45Z	0.305	false
2021-01-21T01:30Z	0.305	false
2021-01-21T01:15Z	0.305	false
2021-01-21T01:00Z	0.305	false
2021-01-21T00:45Z	0.305	false
2021-01-21T00:30Z	0.305	false
2021-01-21T00:15Z	0.305	false
2021-01-21T00:00Z	0.304	false
2021-01-20T23:45Z	0.303	false
2021-01-20T23:30Z	0.304	false
2021-01-20T23:15Z	0.304	false
2021-01-20T23:00Z	0.304	false
2021-01-20T22:45Z	0.304	false
2021-01-20T22:30Z	0.304	false
2021-01-20T22:15Z	0.304	false
2021-01-20T22:00Z	0.304	false
2021-01-20T21:45Z	0.303	false
2021-01-20T21:30Z	0.305	false
2021-01-20T21:15Z	0.304	false
2021-01-20T21:00Z	0.304	false
2021-01-20T20:45Z	0.304	false
2021-01-20T20:30Z	0.305	false
2021-01-20T20:15Z	0.305	false
2021-01-20T20:00Z	0.304	false
2021-01-20T19:45Z	0.305	false
2021-01-20T19:30Z	0.304	false
2021-01-20T19:15Z	0.305	false
2021-01-20T19:00Z	0.304	false
2021-01-20T18:45Z	0.305	false
2021-01-20T18:30Z	0.305	false
2021-01-20T18:15Z	0.305	false
2021-01-20T18:00Z	0.305	false
2021-01-20T17:45Z	0.305	false
2021-01-20T17:30Z	0.305	false
2021-01-20T17:15Z	0.305	false
2021-01-20T17:00Z	0.305	false
2021-01-20T16:45Z	0.305	false
2021-01-20T16:30Z	0.305	false
2021-01-20T16:15Z	0.305	false
2021-01-20T16:00Z	0.305	false
2021-01-20T15:45Z	0.305	false
2021-01-20T15:30Z	0.305	false
2021-01-20T15:15Z	0.305	false
2021-01-20T15:00Z	0.305	false
2021-01-20T14:45Z	0.305	false
2021-01-20T14:30Z	0.305	false
2021-01-20T14:15Z	0.305	false
2021-01-20T14:00Z	0.306	false
2021-01-20T13:45Z	0.305	false
2021-01-20T13:30Z	0.306	false
2021-01-20T13:15Z	0.306	false
2021-01-20T13:00Z	0.306	false
2021-01-20T12:45Z	0.305	false
2021-01-20T12:30Z	0.305	false
2021-01-20T12:15Z	0.305	false
2021-01-20T12:00Z	0.306	false
2021-01-20T11:45Z	0.306	false
2021-01-20T11:30Z	0.306	false
2021-01-20T11:15Z	0.305	false
2021-01-20T11:00Z	0.305	false
2021-01-20T10:45Z	0.305	false
2021-01-20T10:30Z	0.305	false
2021-01-20T10:15Z	0.305	false
2021-01-20T10:00Z	0.306	false
2021-01-20T09:45Z	0.305	false
2021-01-20T09:30Z	0.305	false
2021-01-20T09:15Z	0.305	false
2021-01-20T09:00Z	0.305	false
2021-01-20T08:45Z	0.305	false
2021-01-20T08:30Z	0.306	false
2021-01-20T08:15Z	0.305	false
2021-01-20T08:00Z	0.306	false
2021-01-20T07:45Z	0.305	false
2021-01-20T07:30Z	0.306	false
2021-01-20T07:15Z	0.306	false
2021-01-20T07:00Z	0.306	false
2021-01-20T06:45Z	0.306	false
2021-01-20T06:30Z	0.306	false
2021-01-20T06:15Z	0.307	false
2021-01-20T06:00Z	0.306	false
2021-01-20T05:45Z	0.307	false
2021-01-20T05:30Z	0.306	false
2021-01-20T05:15Z	0.306	false
2021-01-20T05:00Z	0.307	false
2021-01-20T04:45Z	0.307	false
2021-01-20T04:30Z	0.307	false
2021-01-20T04:15Z	0.308	false
2021-01-20T04:00Z	0.306	false
2021-01-20T03:45Z	0.307	false
2021-01-20T03:30Z	0.307	false
2021-01-20T03:15Z	0.308	false
2021-01-20T03:00Z	0.308	false
2021-01-20T02:45Z	0.308	false
2021-01-20T02:30Z	0.309	false
2021-01-20T02:15Z	0.309	false
2021-01-20T02:00Z	0.309	false
2021-01-20T01:45Z	0.308	false
2021-01-20T01:30Z	0.309	false
2021-01-20T01:15Z	0.309	false
2021-01-20T01:00Z	0.308	false
2021-01-20T00:45Z	0.309	false
2021-01-20T00:30Z	0.309	false
2021-01-20T00:15Z	0.309	false
2021-01-20T00:00Z	0.308	false
2021-01-19T23:45Z	0.309	false
2021-01-19T23:30Z	0.309	false
2021-01-19T23:15Z	0.309	false
2021-01-19T23:00Z	0.309	false

Forecast data

Key information

• Station name: Great Chesterford
• Station ID: 6189
• River name: River Cam
• Typical range: 0.11m to 0.33m
• Highest level on record: 0.70m on 05 February 2001
• Site datum: 35.21mAOD (what does this mean?)

How are river levels measured?

The Environment agency uses a network of monitoring stations across the country. Each one has its own datum - a height in metres fixed relative to mean sea level. This height is expressed as metres above ordnance datum (mAOD). The river levels we provide for each monitoring station are all relative to its site datum.

If we didn't do this, we'd show some very high measurements, which could cause confusion. By using a local site datum, the river levels are easier to understand, especially by users familiar with the data from a particular monitoring station.

A river's height above ordnance datum can be seen by adding the site datum to the river level.

How often are river levels measured?

We use measuring stations like this one to collect water level data, usually once or twice a day. We collect data more frequently when there's a greater risk of flooding. That's why the graph might show a short time lag since the last measurement.

How might river levels affect flood risk?

Typical range

This is the usual range of river levels at this station, based on historical data.

Above typical

This means that flooding is possible because river levels at this station are currently higher than usual.
Many factors can influence the possibility of flooding - river levels are only one indicator. Always check if there's a flood warning in place at a particular location.

Below typical

This means that river levels at this station are currently lower than usual.
Drought or water management measures may be in place. Please check for the latest information on water resources and restrictions in your area.

• View nearby measuring stations

• View the flood information service for England
• Check the long term flood risk for an area in England.

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