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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
01644280 BROAD RUN NEAR LEESBURG, VA
LOCATION.--Latitude 39°02'47.1", Longitude 77°25'56.6", North American Datum of 1983,
                    Loudoun County, VA, Hydrologic Unit 02070008.
DRAINAGE AREA.--76.1 square miles.
PERIOD OF RECORD.--October 2001 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01644280 plot. BROAD RUN NEAR LEESBURG, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 145.14 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-Day Average Streamflow
            Flow values in cubic feet per second


                01644280     BROAD RUN NEAR LEESBURG, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
7.50
18.0
20.7
34.8
61.3
158
234
359
903
 
14
February
8.71
13.7
19.7
40.3
71.9
133
312
394
1,030
 
14
March
8.69
26.6
34.6
58.7
106
236
431
564
1,270
 
14
April
16.7
23.6
29.7
48.5
81.3
171
415
631
1,320
 
14
May
11.3
19.8
23.9
35.4
66.1
202
526
961
2,440
 
14
June
10.0
12.9
17.9
28.1
51.6
140
424
566
1,720
 
14
July
2.60
7.03
13.2
21.2
34.2
64.6
146
278
1,740
 
14
August
1.64
5.09
7.81
14.6
28.9
51.4
94.6
120
186
 
14
September
3.16
3.67
5.20
14.8
24.3
61.0
234
635
1,590
 
14
October
2.21
4.41
10.9
22.2
51.0
151
297
594
1,330
 
13
November
3.73
5.02
18.0
27.4
67.4
162
342
458
1,390
 
14
December
6.27
18.5
20.9
41.4
95.9
194
355
555
799
 
14
 
       

The current 7-day running-average value for 03/22/2017 is 145.14 cubic feet per second.

---- Provisional Data Subject to Revision ----

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