FloodRadar
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FloodRadar
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Coverage shows valid readings received out of the expected 15-minute observations. Gaps may understate rainfall and are not treated as dry weather.
Water fills show relative rainfall, not flood risk. Hourly cards use rainfall intensity; 24 hours uses recorded wet-day percentiles; longer totals use estimated seasonal pace for the elapsed period. Grey means there is insufficient coverage or history for a comparison.
Choose a layer to see recorded events alongside the chart.
Explore recorded river changes and compare events after drier or wetter weeks.
Comparisons use complete past observations, including events with little rise. Ground wetness is estimated from preceding rainfall.
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This area gets about 1,399 mm of rain a year on average (wettest month December, 158 mm; driest April, 78 mm). That is 20% wetter than the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.2 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Reference
NRW_H059000120
Source
Natural Resources Wales
Coordinates
51.6754, -3.8665
County
Swansea
Data from
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