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
2.00 mm
19:00-22:00
6h Total
3.80 mm
16:00-22:00
12h Total
4.00 mm
10:00-22:00
24h Total
27.40 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 08:00 (Jan 27) 1.80 mm
Cwmtillery Raingauge
3h Total
0.80 mm
19:00-22:00
6h Total
1.20 mm
16:00-22:00
12h Total
2.00 mm
10:00-22:00
24h Total
44.40 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 03:00 (Jan 27) 1.80 mm
Dyffryn Isaf Llantrisant Raingauge
3h Total
0.40 mm
19:00-22:00
6h Total
0.60 mm
16:00-22:00
12h Total
0.60 mm
10:00-22:00
24h Total
19.80 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:00 (Jan 27) 1.20 mm
Llwynon Reservoir River Station
3h Total
4.60 mm
19:00-22:00
6h Total
6.60 mm
16:00-22:00
12h Total
6.80 mm
10:00-22:00
24h Total
28.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:45 (Jan 27) 1.40 mm
Machen Waterloo Raingauge
3h Total
0.60 mm
19:00-22:00
6h Total
0.60 mm
16:00-22:00
12h Total
0.80 mm
10:00-22:00
24h Total
26.40 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 05:45 (Jan 27) 1.80 mm
Maerdy WTW Raingauge
3h Total
3.60 mm
19:00-22:00
6h Total
8.00 mm
16:00-22:00
12h Total
8.00 mm
10:00-22:00
24h Total
40.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:45 (Jan 27) 3.00 mm
Nant Yr Ysfa Raingauge
3h Total
1.60 mm
19:00-22:00
6h Total
3.20 mm
16:00-22:00
12h Total
3.40 mm
10:00-22:00
24h Total
30.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:30 (Jan 27) 2.20 mm
Nelson Raingauge
3h Total
0.80 mm
19:00-22:00
6h Total
1.80 mm
16:00-22:00
12h Total
2.00 mm
10:00-22:00
24h Total
25.60 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 05:45 (Jan 27) 1.40 mm
Pontsticill Upper Raingauge
3h Total
4.60 mm
19:00-22:00
6h Total
8.20 mm
16:00-22:00
12h Total
8.60 mm
10:00-22:00
24h Total
33.60 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 20:30 (Jan 27) 1.20 mm
Rhiwbina Reservoir Raingauge
3h Total
0.80 mm
19:00-22:00
6h Total
0.80 mm
16:00-22:00
12h Total
0.80 mm
10:00-22:00
24h Total
17.00 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 05:30 (Jan 27) 1.60 mm
Rhiwsaeson STW Raingauge
3h Total
0.20 mm
19:00-22:00
6h Total
0.40 mm
16:00-22:00
12h Total
0.40 mm
10:00-22:00
24h Total
18.60 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 02:45 (Jan 27) 1.40 mm
Rhymney Reservoir Raingauge
3h Total
2.20 mm
19:00-22:00
6h Total
5.60 mm
16:00-22:00
12h Total
5.80 mm
10:00-22:00
24h Total
28.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 17:15 (Jan 27) 1.40 mm
St Fagans Raingauge
3h Total
0.60 mm
19:00-22:00
6h Total
0.60 mm
16:00-22:00
12h Total
0.60 mm
10:00-22:00
24h Total
12.00 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 05:30 (Jan 27) 1.00 mm
Storey Arms Raingauge
3h Total
8.20 mm
19:00-22:00
6h Total
13.20 mm
16:00-22:00
12h Total
13.60 mm
10:00-22:00
24h Total
31.40 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 08:00 (Jan 27) 2.20 mm
Trelewis Raingauge
3h Total
1.20 mm
19:00-22:00
6h Total
3.00 mm
16:00-22:00
12h Total
3.20 mm
10:00-22:00
24h Total
33.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:15 (Jan 27) 1.60 mm
Ty Fry Raingauge
3h Total
0.80 mm
19:00-22:00
6h Total
1.20 mm
16:00-22:00
12h Total
1.20 mm
10:00-22:00
24h Total
37.20 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 05:45 (Jan 27) 1.80 mm
Tyn Y Waun Treherbert Raingauge
3h Total
7.20 mm
19:00-22:00
6h Total
11.80 mm
16:00-22:00
12h Total
11.80 mm
10:00-22:00
24h Total
42.80 mm
22:00 (Jan 26)-22:00
Last 24h: Max 15m intensity at 06:00 (Jan 27) 2.00 mm
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