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River Basins
Western Wales
Ynys Mon
River Basins
Western Wales
Ynys Mon
Ynys Mon
This Management Catchment is part of the
Western Wales
river basin and is managed by
Natural Resources Wales
View River Basin
Management Catchment Data
Catchment Rainfall Summary
Llyn Alaw Raingauge
3h Total
0.00 mm
06:45-09:45
6h Total
0.00 mm
03:45-09:45
12h Total
7.00 mm
21:45
(Apr 22)
-09:45
24h Total
12.80 mm
09:45
(Apr 22)
-09:45
Last 24h: Max 15m intensity at 23:15 (Apr 22)
1.00 mm
Llyn Cefni Raingauge
3h Total
0.00 mm
06:45-09:45
6h Total
0.00 mm
03:45-09:45
12h Total
7.60 mm
21:45
(Apr 22)
-09:45
24h Total
12.80 mm
09:45
(Apr 22)
-09:45
Last 24h: Max 15m intensity at 21:30 (Apr 22)
1.20 mm
Operational Catchment Areas
Alaw Goch
Braint Cadnant Lleiniog
Cefni
Crigyll Caradog
Lligwy - Ynys Mon
Wygyr
Catchment Stations
Afon Braint River Station
Afon Rhyd Y Valley River Station
Bodffordd Depot
Bodffordd River Station
Llangefni River Station
Llyn Alaw Raingauge
Llyn Cefni Raingauge
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