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River level River Colne at London Colney

Latest recorded level 1.09m at 4:30am Thursday 3 December 2020.

Levels: last 5 days and next 36 hours

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Observed data

DateTime Value Error
1.089 false
1.089 false
1.089 false
1.092 false
1.092 false
1.092 false
1.092 false
1.092 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.093 false
1.094 false
1.094 false
1.095 false
1.094 false
1.095 false
1.094 false
1.095 false
1.095 false
1.094 false
1.095 false
1.095 false
1.095 false
1.095 false
1.095 false
1.095 false
1.095 false
1.095 false
1.095 false
1.096 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.096 false
1.097 false
1.098 false
1.097 false
1.097 false
1.097 false
1.097 false
1.097 false
1.098 false
1.097 false
1.097 false
1.097 false
1.098 false
1.099 false
1.099 false
1.098 false
1.098 false
1.097 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.097 false
1.098 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.098 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.099 false
1.098 false
1.099 false
1.099 false
1.098 false
1.098 false
1.098 false
1.099 false
1.098 false
1.099 false
1.098 false
1.098 false
1.098 false
1.099 false
1.099 false
1.098 false
1.099 false
1.099 false
1.099 false
1.1 false
1.102 false
1.103 false
1.103 false
1.102 false
1.102 false
1.102 false
1.1 false
1.102 false
1.103 false
1.104 false
1.104 false
1.105 false
1.104 false
1.104 false
1.104 false
1.103 false
1.104 false
1.103 false
1.104 false
1.103 false
1.104 false
1.104 false
1.103 false
1.103 false
1.102 false
1.103 false
1.104 false
1.103 false
1.103 false
1.103 false
1.103 false
1.102 false
1.101 false
1.1 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.1 false
1.1 false
1.101 false
1.101 false
1.1 false
1.101 false
1.1 false
1.1 false
1.101 false
1.102 false
1.102 false
1.103 false
1.101 false
1.101 false
1.101 false
1.102 false
1.102 false
1.101 false
1.101 false
1.101 false
1.101 false
1.101 false
1.102 false
1.102 false
1.1 false
1.101 false
1.102 false
1.102 false
1.101 false
1.102 false
1.1 false
1.099 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.1 false
1.099 false
1.1 false
1.1 false
1.099 false
1.099 false
1.099 false
1.1 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.099 false
1.098 false
1.1 false
1.1 false
1.1 false
1.099 false
1.099 false
1.099 false
1.098 false
1.098 false
1.099 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.097 false
1.098 false
1.098 false
1.099 false
1.099 false
1.099 false
1.098 false
0.853 false
1.124 false
1.124 false
1.124 false
1.124 false
1.124 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.125 false
1.126 false
1.125 false
1.125 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.125 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.126 false
1.128 false
1.128 false
1.129 false
1.128 false
1.128 false
1.126 false
1.126 false
1.129 false
1.128 false
1.128 false
1.128 false
1.127 false
1.127 false
1.129 false
1.128 false
1.128 false
1.128 false
1.128 false
1.128 false
1.127 false
1.127 false
1.128 false
1.129 false
1.13 false
1.13 false
1.13 false
1.129 false
1.129 false
1.13 false
1.129 false
1.13 false
1.128 false
1.127 false
1.128 false
1.128 false
1.127 false
1.128 false
1.127 false
1.127 false
1.127 false
1.127 false
1.128 false
1.127 false
1.127 false
1.127 false
1.127 false
1.127 false
1.127 false
1.127 false
1.129 false
1.129 false
1.129 false
1.129 false
1.13 false
1.13 false
1.13 false
1.13 false
1.13 false
1.131 false
1.131 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.13 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.131 false
1.132 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.132 false
1.132 false
1.13 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.129 false
1.13 false
1.13 false
1.13 false
1.131 false
1.13 false
1.131 false
1.131 false
1.131 false
1.131 false
1.132 false
1.131 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.132 false
1.131 false
1.131 false
1.131 false
1.131 false

Forecast data

1.089
1.090
1.090
1.091
1.091
1.092
1.092
1.092
1.093
1.093
1.094
1.094
1.095
1.095
1.095
1.096
1.096
1.097
1.097
1.097
1.098
1.098
1.099
1.099
1.099
1.100
1.100
1.101
1.101
1.101
1.102
1.102
1.102
1.103
1.103
1.104
1.104
1.104
1.106
1.106
1.107
1.109
1.110
1.112
1.114
1.116
1.119
1.122
1.124
1.127
1.129
1.131
1.134
1.136
1.138
1.139
1.140
1.142
1.143
1.143
1.145
1.145
1.145
1.146
1.146
1.147
1.156
1.182
1.222
1.272
1.321
1.363
1.392
1.412
1.424
1.433
1.439
1.444
1.449
1.451
1.454
1.456
1.457
1.458
1.459
1.459
1.459
1.458
1.458
1.456
1.455
1.453
1.451
1.448
1.446
1.443
1.439
1.436
1.433
1.429
1.425
1.422
1.418
1.413
1.407
1.401
1.395
1.389
1.384
1.379
1.374
1.370
1.367
1.362
1.356
1.351
1.345
1.338
1.331
1.324
1.316
1.308
1.299
1.292
1.284
1.276
1.269
1.261
1.254
1.247
1.242
1.236
1.230
1.224
1.220
1.214
1.209
1.204
1.200
1.195
1.190
1.186
1.182
1.178
1.174
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 1:30am Friday 4 December 2020.

Highest level recorded at this location

2.72m on 30 October 2000


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