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Streamflow Measurements for the Nation


USGS 0164571012 DIFFICULT RUN ABOVE ROCKY BRANCH AT VIENNA, VA


Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°54'02", Longitude  77°19'04" NAD27
Drainage area 6.67  square miles
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)
0092018-06-19 08:18EDTYesAKMUSGS3.32 Excellent NONE1XSECTWADEQSCMMVADV3.329.973.540.94UNSPUNSPUNSPUNSPUNSPUNSPUNSP
82017-10-26 08:34EDTYesAKMUSGS1.21 Good NONE1XSECTWADEQSCMMVADV1.216.331.440.84UNSPUNSPUNSPUNSPUNSPUNSPUNSP
72016-06-09 08:41EDTYesAJPUSGS3.98 Good NONE1XSECTWADEQSCMMVADV3.9812.84.680.85SOFTSANDEVENunknEVENUNFMUPST160.00
62015-06-12 07:02EDTYesAJPUSGS3.52 Good NONE1XSECTWADEQSCMMVADV3.529.505.820.60UNSPUNSPUNSPunknUNSPSTNDUNSP
52014-06-03 09:24EDTYesAKM AJPUSGS5.82 Good NONE1XSECTWADEQSCMMVADV5.828.505.831.00FIRMSANDEVENunknUNSPUNFMUPST100.00
42013-05-02 10:55EDTYesjdj rdrUSGS3.11 Good NONE1XSECTWADEQSCMMVADV3.118.103.890.80FIRMSANDEVENunknEVENUNFMUPST200.00
32012-04-04 16:10EDTYesJDJ BAHUSGS4.39 Fair NONE1XSECTWADEQSCMMVADV4.397.003.971.11FIRMSANDEVENunknEVENSTNDATGA
22011-12-05 12:56ESTYesJDJUSGS3.64 Good NONE1XSECTWADEQSCMMVADV3.648.905.010.73FIRMGRVLEVENunknEVENUNSPUPST100.00
12011-09-20 14:52EDTYesJDJUSGS13.1 Poor NONE1CHANNELWADEQSCMMVADV13.19.408.961.47FIRMGRVLEVENunknEVENUNSPUPST100.00