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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01659000 NORTH BRANCH CHOPAWAMSIC CREEK NEAR INDEPENDENT HILL, VA
LOCATION.--Latitude 3833'54", Longitude 7725'34", North American Datum of 1927,
                    Prince William County, VA, Hydrologic Unit 02070011.
DRAINAGE AREA.--5.69 square miles.
PERIOD OF RECORD.--May 1951 to June 1957, March 2000 to December 2003, January 2007 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 Daily Streamflow Conditions
Provisional Data Subject to Revision
01659000 plot. 
NORTH BRANCH CHOPAWAMSIC CREEK NEAR INDEPENDENT HILL, VA
Provisional Data Subject to Revision

                    

The current daily value for 08/22/2016 is not determined.

  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


                01659000     NORTH BRANCH CHOPAWAMSIC CREEK NEAR INDEPENDENT HILL, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
0.74
0.95
1.10
1.60
2.80
5.30
11.0
16.0
48.0
 
13
February
0.95
1.40
1.80
2.30
3.90
6.30
12.0
18.0
190
 
14
March
0.58
2.30
2.60
3.60
5.70
9.10
19.7
36.3
115
 
14
April
0.71
1.90
2.40
3.30
4.80
7.42
15.0
26.0
135
 
15
May
0.19
0.64
0.85
1.50
2.50
4.80
10.3
19.1
254
 
16
June
0.02
0.23
0.32
0.65
1.45
3.20
7.89
19.0
116
 
16
July
0.01
0.08
0.15
0.27
0.60
1.50
3.20
5.07
59.0
 
15
August
0.00
0.01
0.09
0.17
0.41
1.20
2.34
3.80
144
 
15
September
0.00
0.02
0.05
0.11
0.51
1.12
2.89
5.63
176
 
15
October
0.00
0.00
0.20
0.40
0.83
1.40
2.95
5.92
30.0
 
14
November
0.18
0.30
0.43
0.67
1.70
3.60
7.97
14.0
168
 
14
December
0.36
0.64
0.96
1.60
2.40
5.40
12.0
17.0
192
 
14
 
       
Instantaneous minimum flow for period of record = 0.00 cubic feet per second.
Flow values of 0.00 are plotted as 0.01

The current daily value for 08/22/2016 is not determined.

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

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