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USGS 01645762 S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Station operated in cooperation with Fairfax County, Virginia

Current shift adjusted stage-discharge rating table. These tab delimited tables are updated daily and can change frequently. If you use these ratings, it is important that you update often so that you have the most current version.
What is a shift adjusted stage-discharge rating?

This station managed by the Richmond Field Office.

Available Parameters Available Period
  
2007-10-01  2024-11-21
2007-09-20  2024-11-21
2007-10-01  2024-11-21
2007-10-01  2024-11-21
2011-06-08  2024-11-21
2007-10-01  2024-11-21
2017-08-17  2024-11-21
2007-10-01  2017-08-17
2016-10-26  2024-11-21
2024-07-24  2024-11-21







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 9.8 11-21-2024   08:00 EST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 0.12 11-21-2024   08:00 EST
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Daily discharge, cubic feet per second -- statistics for Nov 21 based on 17 water years of record more
Most Recent
Instantaneous
Value Nov 21		 Min
(2008)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2024)
0.12 0.40 0.89 1.4 1.9 1.9 9.00

Gage height, feet
Most recent instantaneous value: 0.27 11-21-2024   08:00 EST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 164 11-21-2024   08:00 EST
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 8.9 11-21-2024   08:00 EST
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.0 11-21-2024   08:00 EST
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI 6136]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI EXO]
Most recent instantaneous value: 11.1 11-21-2024   08:00 EST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI EXO]

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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 2.45 11-21-2024   08:00 EST
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Count of samples collected by autosampler, number
Most recent instantaneous value: 0 11-21-2024   08:00 EST
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