Llyn and Eryri
This Management Catchment is part of the Western Wales river basin and is managed by Natural Resources Wales
Management Catchment Data
Catchment Rainfall Summary
Afon Colwyn River Station
3h Total
19.00 mm
12:30-15:30
6h Total
34.80 mm
09:30-15:30
12h Total
37.00 mm
03:30-15:30
24h Total
37.00 mm
15:30 (Feb 22)-15:30
Last 24h: Max 15m intensity at 13:30 (Feb 23) 2.60 mm
Bethesda Quarry Raingauge
3h Total
13.00 mm
12:30-15:30
6h Total
21.00 mm
09:30-15:30
12h Total
22.00 mm
03:30-15:30
24h Total
22.00 mm
15:30 (Feb 22)-15:30
Last 24h: Max 15m intensity at 13:45 (Feb 23) 1.60 mm
Cwm Dyli Raingauge
3h Total
23.80 mm
12:15-15:15
6h Total
29.40 mm
09:15-15:15
12h Total
29.40 mm
03:15-15:15
24h Total
29.40 mm
15:15 (Feb 22)-15:15
Last 24h: Max 15m intensity at 14:15 (Feb 23) 3.00 mm
Porthmadog Raingauge
3h Total
9.00 mm
12:30-15:30
6h Total
16.00 mm
09:30-15:30
12h Total
16.60 mm
03:30-15:30
24h Total
16.60 mm
15:30 (Feb 22)-15:30
Last 24h: Max 15m intensity at 13:45 (Feb 23) 1.60 mm
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