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  • Additional information:
  • The Virginia Water Science Center has transitioned to a new data management software package. While you may not have noticed this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible. See the Dec 8 news entry for more information at: https://help.waterdata.usgs.gov/news

USGS 01654500 LONG BRANCH NEAR ANNANDALE, VA

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with Fairfax County, Virginia

NOTE: During storm events, backwater effects on stage and discharge determinations at this station are likely. Streamflow data displayed on this page may be significantly different from actual values during these events. Adjustment of data for backwater effects can only be done after detailed analysis. Users are encouraged to contact this office for more information.
This station managed by the Richmond Field Office.

Available Parameters Available Period
All 9 Available Parameters for this site
   
00010 Temperature, water 2013-02-08  2017-06-23
00055 Stream velocity 2017-02-23  2017-06-23
00060 Discharge 2013-02-08  2017-06-23
00065 Gage height 2013-02-07  2017-06-23
00095 Specific cond at 25C 2013-02-08  2017-06-23
00300 Dissolved oxygen 2013-02-08  2017-06-23
00400 pH 2013-02-08  2017-06-23
63680 Turbidity, Form Neph 2013-02-08  2017-06-23
99234 Autosampler count 2017-02-23  2017-06-23

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

Discharge, cubic feet per second
Most recent instantaneous value: 0.64 06-23-2017   06:50 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 23 based on 13 years of record more
Most Recent
Instantaneous
Value Jun 23		 Min
(1955)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2015)
0.64 0.70 2.1 3.2 6.4 11 21

Gage height, feet
Most recent instantaneous value: 1.51 06-23-2017   06:50 EDT
Graph of Gage height, feet

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