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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily 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 2007.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 01644280 plot. BROAD RUN NEAR LEESBURG, VA
Provisional Data Subject to Revision

                    

The current daily value for 08/27/2008 is 9.2 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of Daily 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
6.30
8.80
15.5
25.0
39.0
73.8
154
344
2,910
 
6
February
7.90
10.3
12.8
20.0
50.0
97.0
230
418
2,640
 
6
March
8.80
18.0
21.0
32.0
53.5
112
354
915
2,160
 
6
April
13.0
18.0
21.9
30.0
49.0
105
296
938
2,530
 
6
May
8.70
11.2
14.0
20.0
30.0
71.8
298
543
5,200
 
6
June
5.40
8.90
10.0
13.0
28.0
63.0
207
397
5,510
 
6
July
2.00
2.82
4.55
8.92
23.5
45.8
124
292
3,300
 
6
August
1.30
1.92
3.50
6.15
13.0
25.0
66.5
127
467
 
6
September
2.40
3.10
3.40
4.65
14.5
54.2
145
274
3,290
 
6
October
3.30
4.60
5.50
14.0
26.0
72.8
252
577
3,730
 
6
November
3.60
3.80
4.10
26.5
58.0
121
346
780
2,320
 
6
December
4.40
10.0
18.0
26.2
57.0
110
305
454
3,580
 
6
 
       
Instantaneous minimum flow for period of record = 1.30 cubic feet per second.

The current daily value for 08/27/2008 is 9.2 cubic feet per second.

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

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