The River Mole floods after drought order

The River Mole is one of the most responsive rivers in the UK to heavy rain rising and falling very quickly as it passes over impermeable thick clays. So the full state of the river in this photograph is a not a guide to the overall condition of the underlying aquifers but nonetheless does show that that this part of Surrey is now receiving heavy rain. At Coulsdon during the entire spring of 2011 38mm of rain fell whilst on the 25th April 2012 a total of 29.2mm was measured. Now with the month approaching 125mm with much more rain to come over the Weekend it looks like being the wettest April for at least 120 years. Last year was the driest.


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