Coverage shows valid readings received; the reporting interval is unknown, so a percentage is unavailable. 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.
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Comparisons use complete past observations, including events with little rise. Ground wetness is estimated from preceding rainfall.
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St. Martin's gets about 1,020 mm of rain a year on average (wettest month December, 111 mm; driest July, 70 mm). That is close to the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 1.8 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Reference
HYRAIN_eb0909669746c68d723544b0713bf3db101bda5e
Source
EA Hydrology archive
Coordinates
52.928124, -3.051247
County
Shropshire
Data from
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