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Streamflow Measurements for the Nation


USGS 01645700 DIFFICULT RUN NEAR FAIRFAX, VA


Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°52'29", Longitude  77°20'18" NAD27
Drainage area 4.36  square miles
Gage datum 310.00 feet above NGVD29
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
201956-03-28 09:30ESTYesCWLUSGS2.391.31 Good NONE
191955-03-06 18:10ESTYesEHOUSGS37.42.11 Good NONE
181953-09-06 17:50EDTYesEHO/JRHUSGS0.870.96 Good NONE
171953-04-29 11:15EDTYesEHOUSGS4.661.17 Good NONE
161953-01-22 14:05ESTYesRHTUSGS5.371.50 Fair NONE
15B1952-11-21 -- ----YesEHO/RHTUSGS4795.90 Unspecified NONE
15A1952-09-01 -- ----YesEHO/RHTUSGS7837.40 Unspecified NONE
151951-10-17 12:25ESTYesARGUSGS0.830.99 Good NONE
141940-07-30 19:10EDTYesCAS/PMSUSGS0.092.21 Unspecified NONE
131939-11-01 -- ----YesARG/JFHUSGS0.372.43 Unspecified NONE
121939-05-11 -- ----YesJJDUSGS0.612.54 Unspecified NONE
111939-03-10 14:10ESTYesJJDUSGS0.992.66 Unspecified NONE
101938-09-28 -- ----YesJJDUSGS0.172.33 Unspecified NONE
91938-09-15 16:10EDTYesTWE/ODMUSGS0.112.31 Unspecified NONE
81938-06-09 15:40EDTYesARGUSGS0.342.42 FairClearNONE
71937-12-23 16:30ESTYesARG/JFHUSGS0.982.60 Unspecified NONE
61937-07-06 17:30EDTYesJFHUSGS0.602.49 Unspecified NONE
51937-01-16 10:50ESTYesODM/TWEUSGS1.232.73 Unspecified NONE
41935-10-17 08:45ESTYesARG/EAGUSGS0.242.37 Unspecified NONE
31935-09-19 10:00EDTYesODM/EAGUSGS0.362.44 Unspecified NONE
21935-07-10 10:30EDTYesARG/CASUSGS0.372.45 Unspecified NONE
11935-06-04 17:15EDTYesADA/CASUSGS0.602.56 Unspecified NONE