Potomac Basin
Station: Washington, D.C.


GRDC Station Information
STN Derived Subbasin Information
Station Name (GRDC ID): Washington, D.C. (4147900) Basin Name: Potomac
River Name: Potomac Next Downstream Station:None
GRDC Country Code: US Distance to Next Downstream Station: N.A.
Start Year [Month]: 1930 [3] Upstream Station(s): None
End Year [Month]: 1984 [12]
Mean Discharge: 313 m3/s
Minimum Discharge: 12 m3/s
Maximum Discharge: 2166 m3/s Length of Upstream Mainstem: 226 km
Mean Interstation Discharge: 313 m3/s Distance to Basin Outlet: 141 km
GRDC Catchment Area: 29940 km2 STN Catchment Area: 33598 km2
GRDC Interstation Area: 29940 km2 STN Interstation Area: 33598 km2
GRDC Station Runoff: 329 mm/yr STN Station Runoff: 293 mm/yr
GRDC Interstation Runoff: 329 mm/yr STN Interstation Runoff: 293 mm/yr
Station Field DescriptionsBasin Field Descriptions


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Site Descriptor Information Station Time Series Data


Hydrograph Station Data
Extreme Values Over Period Of Record
Month MeanQ
m3/s
MinQ
m3/s
MaxQ
m3/s
Jan 368.6 47.0 1053.0
Feb 482.3 84.0 1117.0
Mar 645.0 184.0 2166.0
Apr 566.5 198.0 1366.0
May 397.2 110.0 862.0
Jun 253.7 62.0 1300.0
Jul 133.1 20.0 595.0
Aug 138.4 15.0 798.0
Sep 120.1 12.0 717.0
Oct 175.7 16.0 1248.0
Nov 184.2 19.0 594.0
Dec 287.0 29.0 1000.0