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
0.00 mm
04:45-07:45
6h Total
1.20 mm
01:45-07:45
12h Total
1.20 mm
19:45 (Sep 15)-07:45
24h Total
8.20 mm
07:45 (Sep 15)-07:45
Last 24h: Max 15m intensity at 13:15 (Sep 15) 1.20 mm
Bethesda Quarry Raingauge
3h Total
0.00 mm
04:45-07:45
6h Total
0.20 mm
01:45-07:45
12h Total
0.20 mm
19:45 (Sep 15)-07:45
24h Total
2.80 mm
07:45 (Sep 15)-07:45
Last 24h: Max 15m intensity at 12:00 (Sep 15) 0.60 mm
Cwm Dyli Raingauge
3h Total
1.60 mm
04:45-07:45
6h Total
4.20 mm
01:45-07:45
12h Total
6.80 mm
19:45 (Sep 15)-07:45
24h Total
44.80 mm
07:45 (Sep 15)-07:45
Last 24h: Max 15m intensity at 13:15 (Sep 15) 2.60 mm
Porthmadog Raingauge
3h Total
0.00 mm
04:45-07:45
6h Total
0.00 mm
01:45-07:45
12h Total
0.00 mm
19:45 (Sep 15)-07:45
24h Total
4.80 mm
07:45 (Sep 15)-07:45
Last 24h: Max 15m intensity at 09:45 (Sep 15) 0.80 mm
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