Reston got a lot of rain recently. Our rain gauge is in our garden plot and holds 5". We emptied it twice when it was full and again on Tuesday morning it had 2.5". So we can claim to have had 12.5", more than Dulles is reporting.
The area where I grew up, north of Binghamton, has seen flooding of the Chenango and Susquehanna rivers. Binghamton set a new record for rain of 4+". But they've had more flooding than Reston, even though they've gotten much less rain. The difference, I think, is the soil. It's all glacial sand and gravel there and the water runs right through and off. Here we have good Virginia red clay which absorbs a hell of a lot more water.
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