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Streamflow Measurements for the Nation


USGS 01645750 S F LITTLE DIFFICULT RUN NEAR FAIRFAX, VA
Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°53'52", Longitude  77°21'12" NAD27
Drainage area 1.58  square miles
Gage datum 317.09 feet above NGVD29
Output formats
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
331977-08-29 -- ----YesJDLUSGS0.14 Good NONE1Imported Channel 1UNSPQSCMMunkno0.141.800.190.73UNSPUNSPUNSPunknUNSPUNSPUNSP
321974-09-18 08:48EDTYesPMSUSGS0.29 Fair NONE1Imported Channel 1UNSPQSCMMunkno0.293.900.530.55UNSPUNSPUNSPunknUNSPUNSPUNSP
311973-09-23 11:23EDTYesTLCUSGS0.59 Good NONE1Imported Channel 1UNSPQSCMMunkno0.594.601.000.59UNSPUNSPUNSPunknUNSPUNSPUNSP
301973-09-06 08:20EDTYesPLSUSGS0.46 Good NONE1Imported Channel 1UNSPQSCMMunkno0.463.500.730.63UNSPUNSPUNSPunknUNSPUNSPUNSP
291972-09-07 11:25EDTYesRAWUSGS0.56 Fair NONE1Imported Channel 1UNSPQSCMMunkno0.569.253.000.19UNSPUNSPUNSPunknUNSPUNSPUNSP
281971-09-29 12:45EDTYesRAWUSGS0.513.30 GoodClearNONE1Imported Channel 1UNSPQSCMMunkno0.514.501.220.42UNSPUNSPUNSPunknUNSPUNSPUNSP
271970-09-23 12:25EDTYesTLCUSGS0.083.26 Unspecified NONE1Imported Channel 1UNSPQSCMMunkno0.082.500.170.47UNSPUNSPUNSPunknUNSPUNSPUNSP
261970-08-27 12:55EDTYesRAWUSGS0.363.37 Good NONE1Imported Channel 1UNSPQSCMMunkno0.362.600.450.80UNSPUNSPUNSPunknUNSPUNSPUNSP
251970-04-14 15:10ESTYesPLSUSGS37.35.04 Fair NONE1Imported Channel 1UNSPQSCMMunkno37.315.515.62.39UNSPUNSPUNSPunknUNSPUNSPUNSP
241969-12-31 13:55ESTYesTLCUSGS5.223.59 Unspecified NONE1Imported Channel 1UNSPQSCMMunkno5.226.002.701.93UNSPUNSPUNSPunknUNSPUNSPUNSP
231969-10-01 15:40EDTYesTLCUSGS0.283.34 Unspecified NONE1Imported Channel 1UNSPQSCMMunkno0.282.400.251.12UNSPUNSPUNSPunknUNSPUNSPUNSP
221969-09-19 15:15EDTYesRAWUSGS0.30 GoodClearNONE1Imported Channel 1UNSPQSCMMunkno0.303.000.380.80UNSPUNSPUNSPunknUNSPUNSPUNSP
211969-03-06 15:55ESTYesFGGUSGS1.403.46 FairClearNONE1Imported Channel 1UNSPQSCMMunkno1.406.001.371.02UNSPUNSPUNSPunknUNSPUNSPUNSP
201968-09-04 08:45EDTYesPLSUSGS0.083.26 FairClearNONE1Imported Channel 1UNSPQSCMMunkno0.081.100.100.82UNSPUNSPUNSPunknUNSPUNSPUNSP
191968-08-23 12:50EDTYesPLSUSGS0.253.25 FairClearNONE1Imported Channel 1UNSPQSCMMunkno0.251.800.260.95UNSPUNSPUNSPunknUNSPUNSPUNSP
181967-12-11 15:20ESTYesJLWUSGS3.513.55 Good NONE1Imported Channel 1UNSPQSCMMunkno3.519.002.861.23UNSPUNSPUNSPunknUNSPUNSPUNSP
171967-12-03 16:50ESTYesFPK/FGGUSGS5.223.56 GoodClearNONE1Imported Channel 1UNSPQSCMMunkno5.226.302.382.19UNSPUNSPUNSPunknUNSPUNSPUNSP
161967-11-16 12:25ESTYesN/FGGUSGS0.473.38 GoodClearNONE1Imported Channel 1UNSPQSCMMunkno0.474.000.680.69UNSPUNSPUNSPunknUNSPUNSPUNSP
151967-09-11 -- ----YesFGGUSGS0.333.14 Good NONE1Imported Channel 1UNSPQSCMMunkno0.333.100.460.70UNSPUNSPUNSPunknUNSPUNSPUNSP
131967-08-24 09:10EDTYesFPK/RAWUSGS10.54.12 GoodUnspecifedNONE1Imported Channel 1UNSPQSCMMunkno10.58.505.501.91UNSPUNSPUNSPunknUNSPUNSPUNSP
14I1967-08-24 -- ----YesJWL/CJRUSGS2008.31 UnspecifiedUnspecifedNONE1Imported Channel 1OTHRQIDIR 200 UNSPUNSPUNSPunknUNSPUNSPUNSP
121967-08-17 09:10EDTYesFPKUSGS0.163.32 FairClearNONE1Imported Channel 1UNSPQSCMMunkno0.162.400.510.31UNSPUNSPUNSPunknUNSPUNSPUNSP
111967-03-15 15:45ESTYesFPK/TLCUSGS3.303.56 FairClearNONE1Imported Channel 1UNSPQSCMMunkno3.306.002.031.63UNSPUNSPUNSPunknUNSPUNSPUNSP
101967-03-10 14:15ESTYesJWL/FGGUSGS1.483.50 PoorClearNONE1Imported Channel 1UNSPQSCMMunkno1.485.301.221.21UNSPUNSPUNSPunknUNSPUNSPUNSP
91967-03-07 14:34ESTYesJWLUSGS10.43.81 FairClearNONE1Imported Channel 1UNSPQSCMMunkno10.411.55.052.06UNSPUNSPUNSPunknUNSPUNSPUNSP
81966-11-28 14:47ESTYesFPKUSGS1.883.52 GoodDebrisLightNONE1Imported Channel 1UNSPQSCMMunkno1.885.001.890.99UNSPUNSPUNSPunknUNSPUNSPUNSP
71966-11-09 09:40ESTYesFPK/JWLUSGS0.483.40 FairDebrisLightNONE1Imported Channel 1UNSPQSCMMunkno0.482.700.401.20UNSPUNSPUNSPunknUNSPUNSPUNSP
61966-10-19 09:50EDTYesFPKUSGS21.14.81 GoodClearNONE1Imported Channel 1UNSPQSCMMunkno21.19.0011.81.79UNSPUNSPUNSPunknUNSPUNSPUNSP
51966-09-14 10:55EDTYesJWL/PUSGS11.14.70 UnspecifiedVegetationLightNONE1Imported Channel 1UNSPQSCMMunkno11.111.816.70.66UNSPUNSPUNSPunknUNSPUNSPUNSP
41966-09-14 10:05EDTYesJWL/PUSGS3.383.75 UnspecifiedVegetationLightNONE1Imported Channel 1UNSPQSCMMunkno3.389.006.080.56UNSPUNSPUNSPunknUNSPUNSPUNSP
3S1966-09-14 -- ----YesSGA/FGGUSGS80.06.37 UnspecifiedVegetationLightNONE1Imported Channel 1OTHRQIDIR 80.0 UNSPUNSPUNSPunknUNSPUNSPUNSP
21966-09-01 13:30EDTYesFPKUSGS0.01 Poor NONE1Imported Channel 1UNSPQSCMMunkno0.010.300.010.57UNSPUNSPUNSPunknUNSPUNSPUNSP
11966-08-25 -- ----YesFGGUSGS0.020.37 Poor NONE1Imported Channel 1UNSPQSCMMunkno0.021.000.030.66UNSPUNSPUNSPunknUNSPUNSPUNSP