Last week another tremendous storm ripped its way through our region, leaving in its wake a barrage of downed branches and flooded streets, yards and basements.
Clair Garman, who maintains the Friends of Sligo Creek website, noted that the flow rate where the gauge sits just above Maple Avenue in Takoma Park went from the normal rate of 1.2 cubic feet per second at 6:15am to 2,350 cubic feet per second at 7:30am that morning. That's actually the maximum value that can be recorded by the device. Several who visited the site later pointed out that the storm surge probably surpassed that number, but the gauge simply couldn't record the measurements.
To see the data from that morning for yourself, go to the USGS waterdata site:
http://waterdata.usgs.gov/md/nwis/uv?cb_ooo65=on&cb_00060=on&form\at=html&period=1&site_no=01650800
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