South East Valleys
This Management Catchment is part of the Severn river basin and is managed by Natural Resources Wales
Management Catchment Data
Catchment Rainfall Summary
Carno Reservoir Raingauge
3h Total
0.60 mm
07:45-10:45
6h Total
0.60 mm
04:45-10:45
12h Total
0.60 mm
22:45 (Feb 22)-10:45
24h Total
1.00 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.20 mm
Cwmtillery Raingauge
3h Total
0.20 mm
07:45-10:45
6h Total
0.20 mm
04:45-10:45
12h Total
0.20 mm
22:45 (Feb 22)-10:45
24h Total
0.40 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.20 mm
Dyffryn Isaf Llantrisant Raingauge
3h Total
3.60 mm
07:45-10:45
6h Total
3.60 mm
04:45-10:45
12h Total
3.60 mm
22:45 (Feb 22)-10:45
24h Total
3.60 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:15 (Feb 23) 1.20 mm
Llwynon Reservoir River Station
3h Total
1.00 mm
07:30-10:30
6h Total
1.00 mm
04:30-10:30
12h Total
1.00 mm
22:30 (Feb 22)-10:30
24h Total
1.00 mm
10:30 (Feb 22)-10:30
Last 24h: Max 15m intensity at 10:30 (Feb 23) 0.60 mm
Machen Waterloo Raingauge
3h Total
1.20 mm
07:45-10:45
6h Total
1.20 mm
04:45-10:45
12h Total
1.20 mm
22:45 (Feb 22)-10:45
24h Total
1.20 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.60 mm
Maerdy WTW Raingauge
3h Total
5.80 mm
07:45-10:45
6h Total
5.80 mm
04:45-10:45
12h Total
5.80 mm
22:45 (Feb 22)-10:45
24h Total
5.80 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.60 mm
Nant Yr Ysfa Raingauge
3h Total
4.40 mm
07:45-10:45
6h Total
4.40 mm
04:45-10:45
12h Total
4.40 mm
22:45 (Feb 22)-10:45
24h Total
4.40 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.40 mm
Nelson Raingauge
3h Total
2.80 mm
07:45-10:45
6h Total
2.80 mm
04:45-10:45
12h Total
2.80 mm
22:45 (Feb 22)-10:45
24h Total
2.80 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.00 mm
Pontsticill Upper Raingauge
3h Total
1.60 mm
07:45-10:45
6h Total
1.60 mm
04:45-10:45
12h Total
1.60 mm
22:45 (Feb 22)-10:45
24h Total
2.40 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.60 mm
Rhiwbina Reservoir Raingauge
3h Total
1.80 mm
07:45-10:45
6h Total
1.80 mm
04:45-10:45
12h Total
2.00 mm
22:45 (Feb 22)-10:45
24h Total
2.00 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.80 mm
Rhiwsaeson STW Raingauge
3h Total
2.60 mm
07:45-10:45
6h Total
2.60 mm
04:45-10:45
12h Total
2.60 mm
22:45 (Feb 22)-10:45
24h Total
2.60 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.00 mm
Rhymney Reservoir Raingauge
3h Total
1.20 mm
07:45-10:45
6h Total
1.20 mm
04:45-10:45
12h Total
1.20 mm
22:45 (Feb 22)-10:45
24h Total
1.20 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.40 mm
St Fagans Raingauge
3h Total
1.60 mm
07:45-10:45
6h Total
1.80 mm
04:45-10:45
12h Total
1.80 mm
22:45 (Feb 22)-10:45
24h Total
1.80 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.60 mm
Storey Arms Raingauge
3h Total
2.20 mm
07:45-10:45
6h Total
2.20 mm
04:45-10:45
12h Total
2.20 mm
22:45 (Feb 22)-10:45
24h Total
4.40 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.80 mm
Trelewis Raingauge
3h Total
2.80 mm
07:45-10:45
6h Total
2.80 mm
04:45-10:45
12h Total
2.80 mm
22:45 (Feb 22)-10:45
24h Total
2.80 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.00 mm
Ty Fry Raingauge
3h Total
1.40 mm
07:45-10:45
6h Total
1.40 mm
04:45-10:45
12h Total
1.40 mm
22:45 (Feb 22)-10:45
24h Total
1.40 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 0.60 mm
Tyn Y Waun Treherbert Raingauge
3h Total
5.80 mm
07:45-10:45
6h Total
5.80 mm
04:45-10:45
12h Total
5.80 mm
22:45 (Feb 22)-10:45
24h Total
5.80 mm
10:45 (Feb 22)-10:45
Last 24h: Max 15m intensity at 10:45 (Feb 23) 1.40 mm
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