Friday 4 October 2013

Fine autumn weather


The past two weeks have been almost continuous sunshine, with very little precipitation. You can see from the hydrograph above that discharge has been steadily decreasing, although 18mm of rain fell on the 3rd October giving a small blip. Flows now are close to the yearly minimum flows. But the autumn rains are on the way soon, and as the temperatures cool then evapotranspiration decreases. This leads to more water in the river as runoff as we go through autumn.

Stage = 36cm, Ta = 15.6C, Tw = 14.5C

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