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Streamflow Measurements for the Nation


USGS 01621470 BLACKS RUN AT RT 704 NEAR MOUNT CRAWFORD, VA


Rockingham County, Virginia
Hydrologic Unit Code 02070005
Latitude  38°22'43", Longitude  78°55'42" NAD27
Drainage area 18.8  square miles
Gage datum 1,170 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
 
352001-01-24 11:55ESTYesSLWUSGS6.662.00-0.010.30GoodClearNONE
342000-12-12 12:57ESTYesSLWUSGS2.831.820.000.30FairDebrisLightNONE
332000-10-18 13:54EDTYesKMDUSGS3.141.880.000.30FairVegetationLightNONE
322000-09-19 11:15EDTYesSLW/RLYUSGS3215.770.160.60FairUnspecifedNONE
312000-09-05 10:20EDTYesKMDUSGS10.62.16-0.010.40GoodVegetationLightNONE
302000-08-15 09:40EDTYesDLMUSGS4.791.900.001.00GoodDebrisModerateNONE
292000-07-31 18:13EDTYesKMDUSGS10.42.120.000.30FairVegetationLightNONE
282000-07-31 13:35EDTYesKMDUSGS8.752.060.000.50GoodVegetationLightNONE
272000-06-16 -- ----YesJMG/TLBUSGS1264.20-0.200.30Poor NONE
262000-06-14 20:45EDTYesJMG/TLBUSGS1814.600.670.40Poor NONE
252000-06-12 10:30EDTYesKMDUSGS4.471.900.000.70GoodClearNONE
242000-04-28 11:23EDTYesRMMUSGS6.562.010.000.50GoodClearNONE
232000-03-08 10:08ESTYesKMDUSGS3.941.870.000.60GoodVegetationLightNONE
222000-01-18 10:24ESTYesKMDUSGS3.331.900.000.60GoodClearNONE
211999-11-22 14:55ESTYesRMMUSGS3.481.880.000.60GoodClearNONE
201999-11-02 10:05ESTYesJMGUSGS4.361.930.010.60GoodVegetationLightNONE
191999-10-13 10:30EDTYesJMGUSGS8.412.070.000.50UnspecifiedVegetationLightNONE
181999-10-08 11:55EDTYesRMMUSGS8.582.13-0.010.40GoodClearNONE
171999-09-16 08:00EDTYesJMG/MELUSGS91.43.79-0.080.80UnspecifiedDebrisModerateNONE
161999-08-31 11:30EDTYesRMMUSGS4.671.870.000.60GoodClearNONE
151999-07-19 14:30EDTYesRMMUSGS2.031.690.000.50FairDebrisModerateNONE
141999-06-09 11:17EDTYesRMMUSGS2.281.710.000.50FairDebrisModerateNONE
131999-05-14 12:00EDTYesSLWUSGS15.22.28 Fair NONE
121999-05-14 10:05EDTYesSLWUSGS16.52.30 Fair NONE
111999-05-08 09:45EDTYesJMGUSGS1104.290.070.40PoorClearNONE
101999-05-08 06:00EDTYesJMGUSGS96.73.88-0.170.40PoorClearNONE
91999-05-08 04:00EDTYesJMGUSGS29.42.730.250.50PoorClearNONE
81999-05-03 12:30EDTYesRMMUSGS3.441.86-0.010.50PoorDebrisLightNONE
71999-04-28 09:15EDTYesJMG/DMLUSGS3.841.940.000.50GoodDebrisLightNONE
61999-04-27 15:15EDTYesJMG/DLMUSGS4.041.960.000.60UnspecifiedDebrisLightNONE
51999-04-15 12:30EDTYesJMGUSGS5.082.020.000.50GoodDebrisLightNONE
41999-03-29 13:00ESTYesRMMUSGS8.292.120.000.50GoodClearNONE
31999-03-22 09:45ESTYesJMG/DLMUSGS26.32.52-0.020.80GoodDebrisLightNONE
21999-03-17 15:30ESTYesJMG/DLMUSGS19.72.400.000.90GoodDebrisLightNONE
11999-02-18 11:00ESTYesRKWUSGS59.43.14-0.120.50Fair NONE