River level River Calder at Sowerby Bridge

The latest River level recorded is unreliable.

Reasons for this include very low river levels or a technical fault with the measuring equipment.

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Levels: last 5 days and next 36 hours

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• Forecast level
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Observed data

DateTime	Value	Error
2020-03-28T18:00Z		true
2020-03-28T17:45Z		true
2020-03-28T17:30Z		true
2020-03-28T17:15Z		true
2020-03-28T17:00Z		true
2020-03-28T16:45Z		true
2020-03-28T16:30Z		true
2020-03-28T16:15Z		true
2020-03-28T16:00Z		true
2020-03-28T15:45Z		true
2020-03-28T15:30Z		true
2020-03-28T15:15Z		true
2020-03-28T15:00Z		true
2020-03-28T14:45Z		true
2020-03-28T14:30Z		true
2020-03-28T14:15Z		true
2020-03-28T14:00Z		true
2020-03-28T13:45Z		true
2020-03-28T13:30Z		true
2020-03-28T13:15Z		true
2020-03-28T13:00Z		true
2020-03-28T12:45Z		true
2020-03-28T12:30Z		true
2020-03-28T12:15Z		true
2020-03-28T12:00Z		true
2020-03-28T11:45Z		true
2020-03-28T11:30Z		true
2020-03-28T11:15Z		true
2020-03-28T11:00Z		true
2020-03-28T10:45Z		true
2020-03-28T10:30Z		true
2020-03-28T10:15Z		true
2020-03-28T10:00Z		true
2020-03-28T09:45Z		true
2020-03-28T09:30Z		true
2020-03-28T09:15Z		true
2020-03-28T09:00Z		true
2020-03-28T08:45Z		true
2020-03-28T08:30Z		true
2020-03-28T08:15Z		true
2020-03-28T08:00Z		true
2020-03-28T07:45Z		true
2020-03-28T07:30Z		true
2020-03-28T07:15Z		true
2020-03-28T07:00Z		true
2020-03-28T06:45Z		true
2020-03-28T06:30Z		true
2020-03-28T06:15Z		true
2020-03-28T06:00Z		true
2020-03-28T05:45Z		true
2020-03-28T05:30Z		true
2020-03-28T05:15Z		true
2020-03-28T05:00Z		true
2020-03-28T04:45Z		true
2020-03-28T04:30Z		true
2020-03-28T04:15Z		true
2020-03-28T04:00Z		true
2020-03-28T03:45Z		true
2020-03-28T03:30Z		true
2020-03-28T03:15Z		true
2020-03-28T03:00Z		true
2020-03-28T02:45Z		true
2020-03-28T02:30Z		true
2020-03-28T02:15Z		true
2020-03-28T02:00Z		true
2020-03-28T01:45Z		true
2020-03-28T01:30Z		true
2020-03-28T01:15Z		true
2020-03-28T01:00Z		true
2020-03-28T00:45Z		true
2020-03-28T00:30Z		true
2020-03-28T00:15Z		true
2020-03-28T00:00Z		true
2020-03-27T23:45Z		true
2020-03-27T23:30Z		true
2020-03-27T23:15Z		true
2020-03-27T23:00Z		true
2020-03-27T22:45Z		true
2020-03-27T22:30Z		true
2020-03-27T22:15Z		true
2020-03-27T22:00Z		true
2020-03-27T21:45Z		true
2020-03-27T21:30Z		true
2020-03-27T21:15Z		true
2020-03-27T21:00Z		true
2020-03-27T20:45Z		true
2020-03-27T20:30Z		true
2020-03-27T20:15Z		true
2020-03-27T20:00Z		true
2020-03-27T19:45Z		true
2020-03-27T19:30Z		true
2020-03-27T19:15Z		true
2020-03-27T19:00Z		true
2020-03-27T18:45Z		true
2020-03-27T18:30Z		true
2020-03-27T18:15Z		true
2020-03-27T18:00Z		true
2020-03-27T17:45Z		true
2020-03-27T17:30Z		true
2020-03-27T17:15Z		true
2020-03-27T17:00Z		true
2020-03-27T16:45Z		true
2020-03-27T16:30Z		true
2020-03-27T16:15Z		true
2020-03-27T16:00Z		true
2020-03-27T15:45Z		true
2020-03-27T15:30Z		true
2020-03-27T15:15Z		true
2020-03-27T15:00Z		true
2020-03-27T14:45Z		true
2020-03-27T14:30Z		true
2020-03-27T14:15Z		true
2020-03-27T14:00Z		true
2020-03-27T13:45Z		true
2020-03-27T13:30Z		true
2020-03-27T13:15Z		true
2020-03-27T13:00Z		true
2020-03-27T12:45Z		true
2020-03-27T12:30Z		true
2020-03-27T12:15Z		true
2020-03-27T12:00Z		true
2020-03-27T11:45Z		true
2020-03-27T11:30Z		true
2020-03-27T11:15Z		true
2020-03-27T11:00Z		true
2020-03-27T10:45Z		true
2020-03-27T10:30Z		true
2020-03-27T10:15Z		true
2020-03-27T10:00Z		true
2020-03-27T09:45Z		true
2020-03-27T09:30Z		true
2020-03-27T09:15Z		true
2020-03-27T09:00Z		true
2020-03-27T08:45Z		true
2020-03-27T08:30Z		true
2020-03-27T08:15Z		true
2020-03-27T08:00Z		true
2020-03-27T07:45Z		true
2020-03-27T07:30Z		true
2020-03-27T07:15Z		true
2020-03-27T07:00Z		true
2020-03-27T06:45Z		true
2020-03-27T06:30Z		true
2020-03-27T06:15Z		true
2020-03-27T06:00Z		true
2020-03-27T05:45Z		true
2020-03-27T05:30Z		true
2020-03-27T05:15Z		true
2020-03-27T05:00Z		true
2020-03-27T04:45Z		true
2020-03-27T04:30Z		true
2020-03-27T04:15Z		true
2020-03-27T04:00Z		true
2020-03-27T03:45Z		true
2020-03-27T03:30Z		true
2020-03-27T03:15Z		true
2020-03-27T03:00Z		true
2020-03-27T02:45Z		true
2020-03-27T02:30Z		true
2020-03-27T02:15Z		true
2020-03-27T02:00Z		true
2020-03-27T01:45Z		true
2020-03-27T01:30Z		true
2020-03-27T01:15Z		true
2020-03-27T01:00Z		true
2020-03-27T00:45Z		true
2020-03-27T00:30Z		true
2020-03-27T00:15Z		true
2020-03-27T00:00Z		true
2020-03-26T23:45Z		true
2020-03-26T23:30Z		true
2020-03-26T23:15Z		true
2020-03-26T23:00Z		true
2020-03-26T22:45Z		true
2020-03-26T22:30Z		true
2020-03-26T22:15Z		true
2020-03-26T22:00Z		true
2020-03-26T21:45Z		true
2020-03-26T21:30Z		true
2020-03-26T21:15Z		true
2020-03-26T21:00Z		true
2020-03-26T20:45Z		true
2020-03-26T20:30Z		true
2020-03-26T20:15Z		true
2020-03-26T20:00Z		true
2020-03-26T19:45Z		true
2020-03-26T19:30Z		true
2020-03-26T19:15Z		true
2020-03-26T19:00Z		true
2020-03-26T18:45Z		true
2020-03-26T18:30Z		true
2020-03-26T18:15Z		true
2020-03-26T18:00Z		true
2020-03-26T17:45Z		true
2020-03-26T17:30Z		true
2020-03-26T17:15Z		true
2020-03-26T17:00Z		true
2020-03-26T16:45Z		true
2020-03-26T16:30Z		true
2020-03-26T16:15Z		true
2020-03-26T16:00Z		true
2020-03-26T15:45Z		true
2020-03-26T15:30Z		true
2020-03-26T15:15Z		true
2020-03-26T15:00Z	0	false
2020-03-26T14:45Z		true
2020-03-26T14:30Z		true
2020-03-26T14:15Z		true
2020-03-26T14:00Z		true
2020-03-26T13:45Z		true
2020-03-26T13:30Z		true
2020-03-26T13:15Z		true
2020-03-26T13:00Z		true
2020-03-26T12:45Z		true
2020-03-26T12:30Z		true
2020-03-26T12:15Z		true
2020-03-26T12:00Z		true
2020-03-26T11:45Z		true
2020-03-26T11:30Z		true
2020-03-26T11:15Z		true
2020-03-26T11:00Z		true
2020-03-26T10:45Z		true
2020-03-26T10:30Z		true
2020-03-26T10:15Z		true
2020-03-26T10:00Z		true
2020-03-26T09:45Z		true
2020-03-26T09:30Z		true
2020-03-26T09:15Z		true
2020-03-26T09:00Z		true
2020-03-26T08:45Z		true
2020-03-26T08:30Z		true
2020-03-26T08:15Z		true
2020-03-26T08:00Z		true
2020-03-26T07:45Z		true
2020-03-26T07:30Z		true
2020-03-26T07:15Z		true
2020-03-26T07:00Z		true
2020-03-26T06:45Z		true
2020-03-26T06:30Z		true
2020-03-26T06:15Z		true
2020-03-26T06:00Z		true
2020-03-26T05:45Z		true
2020-03-26T05:30Z	0	false
2020-03-26T05:15Z	0	false
2020-03-26T05:00Z	0	false
2020-03-26T04:45Z	0	false
2020-03-26T04:30Z	0	false
2020-03-26T04:15Z	0.001	false
2020-03-26T04:00Z	0.001	false
2020-03-26T03:45Z	0.001	false
2020-03-26T03:30Z	0.002	false
2020-03-26T03:15Z	0.002	false
2020-03-26T03:00Z	0.002	false
2020-03-26T02:45Z	0.003	false
2020-03-26T02:30Z	0.003	false
2020-03-26T02:15Z	0.004	false
2020-03-26T02:00Z	0.003	false
2020-03-26T01:45Z	0.004	false
2020-03-26T01:30Z	0.004	false
2020-03-26T01:15Z	0.004	false
2020-03-26T01:00Z	0.004	false
2020-03-26T00:45Z	0.004	false
2020-03-26T00:30Z	0.004	false
2020-03-26T00:15Z	0.005	false
2020-03-26T00:00Z	0.005	false
2020-03-25T23:45Z	0.005	false
2020-03-25T23:30Z	0.005	false
2020-03-25T23:15Z	0.006	false
2020-03-25T23:00Z	0.006	false
2020-03-25T22:45Z	0.007	false
2020-03-25T22:30Z	0.007	false
2020-03-25T22:15Z	0.007	false
2020-03-25T22:00Z	0.008	false
2020-03-25T21:45Z	0.008	false
2020-03-25T21:30Z	0.008	false
2020-03-25T21:15Z	0.008	false
2020-03-25T21:00Z	0.008	false
2020-03-25T20:45Z	0.008	false
2020-03-25T20:30Z	0.009	false
2020-03-25T20:15Z	0.009	false
2020-03-25T20:00Z	0.01	false
2020-03-25T19:45Z	0.01	false
2020-03-25T19:30Z	0.01	false
2020-03-25T19:15Z	0.011	false
2020-03-25T19:00Z	0.011	false
2020-03-25T18:45Z	0.012	false
2020-03-25T18:30Z	0.013	false
2020-03-25T18:15Z	0.013	false
2020-03-25T18:00Z	0.013	false
2020-03-25T17:45Z	0.013	false
2020-03-25T17:30Z	0.013	false
2020-03-25T17:15Z	0.014	false
2020-03-25T17:00Z	0.014	false
2020-03-25T16:45Z	0.015	false
2020-03-25T16:30Z	0.016	false
2020-03-25T16:15Z	0.017	false
2020-03-25T16:00Z	0.017	false
2020-03-25T15:45Z	0.017	false
2020-03-25T15:30Z	0.017	false
2020-03-25T15:15Z	0.016	false
2020-03-25T15:00Z	0.015	false
2020-03-25T14:45Z	0.015	false
2020-03-25T14:30Z	0.014	false
2020-03-25T14:15Z	0.014	false
2020-03-25T14:00Z	0.014	false
2020-03-25T13:45Z	0.014	false
2020-03-25T13:30Z	0.014	false
2020-03-25T13:15Z	0.015	false
2020-03-25T13:00Z	0.015	false
2020-03-25T12:45Z	0.015	false
2020-03-25T12:30Z	0.014	false
2020-03-25T12:15Z	0.015	false
2020-03-25T12:00Z	0.015	false
2020-03-25T11:45Z	0.015	false
2020-03-25T11:30Z	0.014	false
2020-03-25T11:15Z	0.015	false
2020-03-25T11:00Z	0.015	false
2020-03-25T10:45Z	0.014	false
2020-03-25T10:30Z	0.014	false
2020-03-25T10:15Z	0.014	false
2020-03-25T10:00Z	0.014	false
2020-03-25T09:45Z	0.014	false
2020-03-25T09:30Z	0.014	false
2020-03-25T09:15Z	0.014	false
2020-03-25T09:00Z	0.014	false
2020-03-25T08:45Z	0.014	false
2020-03-25T08:30Z	0.015	false
2020-03-25T08:15Z	0.015	false
2020-03-25T08:00Z	0.015	false
2020-03-25T07:45Z	0.015	false
2020-03-25T07:30Z	0.015	false
2020-03-25T07:15Z	0.015	false
2020-03-25T07:00Z	0.015	false
2020-03-25T06:45Z	0.015	false
2020-03-25T06:30Z	0.016	false
2020-03-25T06:15Z	0.016	false
2020-03-25T06:00Z	0.016	false
2020-03-25T05:45Z	0.016	false
2020-03-25T05:30Z	0.016	false
2020-03-25T05:15Z	0.017	false
2020-03-25T05:00Z	0.017	false
2020-03-25T04:45Z	0.017	false
2020-03-25T04:30Z	0.018	false
2020-03-25T04:15Z	0.018	false
2020-03-25T04:00Z	0.018	false
2020-03-25T03:45Z	0.019	false
2020-03-25T03:30Z	0.02	false
2020-03-25T03:15Z	0.019	false
2020-03-25T03:00Z	0.02	false
2020-03-25T02:45Z	0.02	false
2020-03-25T02:30Z	0.021	false
2020-03-25T02:15Z	0.02	false
2020-03-25T02:00Z	0.02	false
2020-03-25T01:45Z	0.019	false
2020-03-25T01:30Z	0.019	false
2020-03-25T01:15Z	0.02	false
2020-03-25T01:00Z	0.021	false
2020-03-25T00:45Z	0.021	false
2020-03-25T00:30Z	0.021	false
2020-03-25T00:15Z	0.022	false
2020-03-25T00:00Z	0.023	false
2020-03-24T23:45Z	0.023	false
2020-03-24T23:30Z	0.024	false
2020-03-24T23:15Z	0.024	false
2020-03-24T23:00Z	0.024	false
2020-03-24T22:45Z	0.023	false
2020-03-24T22:30Z	0.024	false
2020-03-24T22:15Z	0.023	false
2020-03-24T22:00Z	0.023	false
2020-03-24T21:45Z	0.024	false
2020-03-24T21:30Z	0.023	false
2020-03-24T21:15Z	0.024	false
2020-03-24T21:00Z	0.024	false
2020-03-24T20:45Z	0.024	false
2020-03-24T20:30Z	0.025	false
2020-03-24T20:15Z	0.025	false
2020-03-24T20:00Z	0.025	false
2020-03-24T19:45Z	0.025	false
2020-03-24T19:30Z	0.027	false
2020-03-24T19:15Z	0.026	false
2020-03-24T19:00Z	0.027	false
2020-03-24T18:45Z	0.027	false
2020-03-24T18:30Z	0.027	false
2020-03-24T18:15Z	0.027	false
2020-03-24T18:00Z	0.026	false
2020-03-24T17:45Z	0.027	false
2020-03-24T17:30Z	0.028	false
2020-03-24T17:15Z	0.029	false
2020-03-24T17:00Z	0.029	false
2020-03-24T16:45Z	0.031	false
2020-03-24T16:30Z	0.032	false
2020-03-24T16:15Z	0.033	false
2020-03-24T16:00Z	0.034	false
2020-03-24T15:45Z	0.035	false
2020-03-24T15:30Z	0.036	false
2020-03-24T15:15Z	0.037	false
2020-03-24T15:00Z	0.037	false
2020-03-24T14:45Z	0.037	false
2020-03-24T14:30Z	0.036	false
2020-03-24T14:15Z	0.036	false
2020-03-24T14:00Z	0.036	false
2020-03-24T13:45Z	0.036	false
2020-03-24T13:30Z	0.036	false
2020-03-24T13:15Z	0.036	false
2020-03-24T13:00Z	0.037	false
2020-03-24T12:45Z	0.038	false
2020-03-24T12:30Z	0.039	false
2020-03-24T12:15Z	0.039	false
2020-03-24T12:00Z	0.038	false
2020-03-24T11:45Z	0.039	false
2020-03-24T11:30Z	0.039	false
2020-03-24T11:15Z	0.039	false
2020-03-24T11:00Z	0.04	false
2020-03-24T10:45Z	0.042	false
2020-03-24T10:30Z	0.042	false
2020-03-24T10:15Z	0.041	false
2020-03-24T10:00Z	0.042	false
2020-03-24T09:45Z	0.041	false
2020-03-24T09:30Z	0.041	false
2020-03-24T09:15Z	0.042	false
2020-03-24T09:00Z	0.041	false
2020-03-24T08:45Z	0.041	false
2020-03-24T08:30Z	0.041	false
2020-03-24T08:15Z	0.041	false
2020-03-24T08:00Z	0.042	false
2020-03-24T07:45Z	0.041	false
2020-03-24T07:30Z	0.042	false
2020-03-24T07:15Z	0.042	false
2020-03-24T07:00Z	0.042	false
2020-03-24T06:45Z	0.042	false
2020-03-24T06:30Z	0.041	false
2020-03-24T06:15Z	0.04	false
2020-03-24T06:00Z	0.04	false
2020-03-24T05:45Z	0.04	false
2020-03-24T05:30Z	0.041	false
2020-03-24T05:15Z	0.041	false
2020-03-24T05:00Z	0.041	false
2020-03-24T04:45Z	0.041	false
2020-03-24T04:30Z	0.041	false
2020-03-24T04:15Z	0.041	false
2020-03-24T04:00Z	0.041	false
2020-03-24T03:45Z	0.042	false
2020-03-24T03:30Z	0.043	false
2020-03-24T03:15Z	0.044	false
2020-03-24T03:00Z	0.043	false
2020-03-24T02:45Z	0.043	false
2020-03-24T02:30Z	0.043	false
2020-03-24T02:15Z	0.042	false
2020-03-24T02:00Z	0.042	false
2020-03-24T01:45Z	0.043	false
2020-03-24T01:30Z	0.043	false
2020-03-24T01:15Z	0.045	false
2020-03-24T01:00Z	0.045	false
2020-03-24T00:45Z	0.045	false
2020-03-24T00:30Z	0.047	false
2020-03-24T00:15Z	0.046	false
2020-03-24T00:00Z	0.047	false
2020-03-23T23:45Z	0.046	false
2020-03-23T23:30Z	0.046	false
2020-03-23T23:15Z	0.045	false
2020-03-23T23:00Z	0.045	false
2020-03-23T22:45Z	0.047	false
2020-03-23T22:30Z	0.047	false
2020-03-23T22:15Z	0.048	false
2020-03-23T22:00Z	0.049	false
2020-03-23T21:45Z	0.05	false
2020-03-23T21:30Z	0.051	false
2020-03-23T21:15Z	0.052	false
2020-03-23T21:00Z	0.052	false
2020-03-23T20:45Z	0.053	false
2020-03-23T20:30Z	0.053	false
2020-03-23T20:15Z	0.055	false
2020-03-23T20:00Z	0.056	false
2020-03-23T19:45Z	0.057	false
2020-03-23T19:30Z	0.058	false
2020-03-23T19:15Z	0.06	false
2020-03-23T19:00Z	0.062	false
2020-03-23T18:45Z	0.065	false
2020-03-23T18:30Z	0.068	false
2020-03-23T18:15Z	0.071	false

Forecast data

March 28th 2020, 6:00:00 pm	-0.030
March 28th 2020, 6:15:00 pm	-0.031
March 28th 2020, 6:30:00 pm	-0.030
March 28th 2020, 6:45:00 pm	-0.030
March 28th 2020, 7:00:00 pm	-0.028
March 28th 2020, 7:15:00 pm	-0.026
March 28th 2020, 7:30:00 pm	-0.024
March 28th 2020, 7:45:00 pm	-0.023
March 28th 2020, 8:00:00 pm	-0.024
March 28th 2020, 8:15:00 pm	-0.026
March 28th 2020, 8:30:00 pm	-0.030
March 28th 2020, 8:45:00 pm	-0.035
March 28th 2020, 9:00:00 pm	-0.041
March 28th 2020, 9:15:00 pm	-0.048
March 28th 2020, 9:30:00 pm	-0.055
March 28th 2020, 9:45:00 pm	-0.063
March 28th 2020, 10:00:00 pm	-0.072
March 28th 2020, 10:15:00 pm	-0.081
March 28th 2020, 10:30:00 pm	-0.090
March 28th 2020, 10:45:00 pm	-0.097
March 28th 2020, 11:00:00 pm	-0.102
March 28th 2020, 11:15:00 pm	-0.105
March 28th 2020, 11:30:00 pm	-0.107
March 28th 2020, 11:45:00 pm	-0.108
March 29th 2020, 12:00:00 am	-0.109
March 29th 2020, 12:15:00 am	-0.110
March 29th 2020, 12:30:00 am	-0.111
March 29th 2020, 12:45:00 am	-0.112
March 29th 2020, 2:00:00 am	-0.113
March 29th 2020, 2:15:00 am	-0.114
March 29th 2020, 2:30:00 am	-0.114
March 29th 2020, 2:45:00 am	-0.115
March 29th 2020, 3:00:00 am	-0.116
March 29th 2020, 3:15:00 am	-0.115
March 29th 2020, 3:30:00 am	-0.113
March 29th 2020, 3:45:00 am	-0.109
March 29th 2020, 4:00:00 am	-0.105
March 29th 2020, 4:15:00 am	-0.100
March 29th 2020, 4:30:00 am	-0.096
March 29th 2020, 4:45:00 am	-0.092
March 29th 2020, 5:00:00 am	-0.088
March 29th 2020, 5:15:00 am	-0.084
March 29th 2020, 5:30:00 am	-0.081
March 29th 2020, 5:45:00 am	-0.077
March 29th 2020, 6:00:00 am	-0.074
March 29th 2020, 6:15:00 am	-0.071
March 29th 2020, 6:30:00 am	-0.068
March 29th 2020, 6:45:00 am	-0.066
March 29th 2020, 7:00:00 am	-0.063
March 29th 2020, 7:15:00 am	-0.061
March 29th 2020, 7:30:00 am	-0.058
March 29th 2020, 7:45:00 am	-0.056
March 29th 2020, 8:00:00 am	-0.054
March 29th 2020, 8:15:00 am	-0.052
March 29th 2020, 8:30:00 am	-0.050
March 29th 2020, 8:45:00 am	-0.048
March 29th 2020, 9:00:00 am	-0.046
March 29th 2020, 9:15:00 am	-0.045
March 29th 2020, 9:30:00 am	-0.043
March 29th 2020, 9:45:00 am	-0.042
March 29th 2020, 10:00:00 am	-0.040
March 29th 2020, 10:15:00 am	-0.039
March 29th 2020, 10:30:00 am	-0.037
March 29th 2020, 10:45:00 am	-0.036
March 29th 2020, 11:00:00 am	-0.035
March 29th 2020, 11:15:00 am	-0.034
March 29th 2020, 11:30:00 am	-0.032
March 29th 2020, 11:45:00 am	-0.031
March 29th 2020, 12:00:00 pm	-0.030
March 29th 2020, 12:15:00 pm	-0.029
March 29th 2020, 12:30:00 pm	-0.028
March 29th 2020, 12:45:00 pm	-0.027
March 29th 2020, 1:00:00 pm	-0.026
March 29th 2020, 1:15:00 pm	-0.026
March 29th 2020, 1:30:00 pm	-0.025
March 29th 2020, 1:45:00 pm	-0.024
March 29th 2020, 2:00:00 pm	-0.023
March 29th 2020, 2:15:00 pm	-0.022
March 29th 2020, 2:30:00 pm	-0.022
March 29th 2020, 2:45:00 pm	-0.021
March 29th 2020, 3:00:00 pm	-0.020
March 29th 2020, 3:15:00 pm	-0.020
March 29th 2020, 3:30:00 pm	-0.019
March 29th 2020, 3:45:00 pm	-0.018
March 29th 2020, 4:00:00 pm	-0.018
March 29th 2020, 4:15:00 pm	-0.017
March 29th 2020, 4:30:00 pm	-0.017
March 29th 2020, 4:45:00 pm	-0.016
March 29th 2020, 5:00:00 pm	-0.016
March 29th 2020, 5:15:00 pm	-0.015
March 29th 2020, 5:30:00 pm	-0.015
March 29th 2020, 5:45:00 pm	-0.014
March 29th 2020, 6:00:00 pm	-0.014
March 29th 2020, 6:15:00 pm	-0.013
March 29th 2020, 6:30:00 pm	-0.013
March 29th 2020, 6:45:00 pm	-0.013
March 29th 2020, 7:00:00 pm	-0.012
March 29th 2020, 7:15:00 pm	-0.012
March 29th 2020, 7:30:00 pm	-0.012
March 29th 2020, 7:45:00 pm	-0.011
March 29th 2020, 8:00:00 pm	-0.011
March 29th 2020, 8:15:00 pm	-0.011
March 29th 2020, 8:30:00 pm	-0.010
March 29th 2020, 8:45:00 pm	-0.010
March 29th 2020, 9:00:00 pm	-0.010
March 29th 2020, 9:15:00 pm	-0.009
March 29th 2020, 9:30:00 pm	-0.009
March 29th 2020, 9:45:00 pm	-0.009
March 29th 2020, 10:00:00 pm	-0.009
March 29th 2020, 10:15:00 pm	-0.008
March 29th 2020, 10:30:00 pm	-0.008
March 29th 2020, 10:45:00 pm	-0.008
March 29th 2020, 11:00:00 pm	-0.008
March 29th 2020, 11:15:00 pm	-0.008
March 29th 2020, 11:30:00 pm	-0.007
March 29th 2020, 11:45:00 pm	-0.007
March 30th 2020, 12:00:00 am	-0.007
March 30th 2020, 12:15:00 am	-0.007
March 30th 2020, 12:30:00 am	-0.007
March 30th 2020, 12:45:00 am	-0.007

Forecasts contain uncertainty and can change frequently. For the latest information, always check for up to date flood warnings and alerts in your area.

Key information

• Station name: Sowerby Bridge
• Station ID: 8191
• River name: River Calder
• Typical range: 0.00m to 1.40m
• Highest level on record: 3.55m on 26 December 2015
• Site datum: 74.82mAOD (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.

How are forecasts produced?

The forecasts shown here are computer models based on technical data, local conditions and Met Office rainfall predictions and may contain uncertainty. Because they’re linked to the weather, forecasts can change quickly. We update them more frequently if the risk of flooding increases.

When we issue flood warnings and alerts we assess many factors including these forecasts, local conditions, tides and the weather forecast.

Flood warnings and alerts can still be issued even if water levels at a measuring station are forecast to remain within its typical range. For the latest information, always check for up to date flood warnings and alerts.

What effect could these levels have on nearby areas?

Typical range at this location

0.00m to 1.40m.

Above 1.40m flooding of low-lying land may occur in these areas

• Upper River Calder catchment

Above 2.00m some property flooding may occur in these areas

• River Calder and River Ryburn at Central Sowerby Bridge
• River Calder and River Ryburn at Sowerby Bridge

Highest forecast level at this location

The highest level forecast in the next 36 hours is -0.01m at 11:30pm Sunday 29 March 2020.

Highest level recorded at this location

3.55m on 26 December 2015

• View nearby measuring stations

• View the flood information service for England
• View your property's long term risk of flooding

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