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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01659500 MIDDLE BRANCH CHOPAWAMSIC CREEK NEAR GARRISONVILLE, VA
LOCATION.--Latitude 38°33'26", Longitude 77°25'32", North American Datum of 1927,
                    Stafford County, VA, Hydrologic Unit 02070011.
DRAINAGE AREA.--4.46 square miles.
PERIOD OF RECORD.--May 1951 to June 1957, March 2000 to September 2000, October 2001 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 01659500 plot. MIDDLE BRANCH CHOPAWAMSIC CREEK NEAR GARRISONVILLE, 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


                01659500     MIDDLE BRANCH CHOPAWAMSIC CREEK NEAR GARRISONVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
0.58
0.76
0.83
1.20
2.20
4.10
7.08
9.94
27.0
 
12
February
0.69
0.78
1.30
2.00
2.90
5.20
8.02
12.6
177
 
13
March
0.75
1.30
1.90
2.80
4.40
7.68
12.9
22.0
89.0
 
13
April
0.95
1.30
2.00
3.00
4.30
6.60
11.0
17.0
121
 
14
May
0.50
0.73
1.10
1.80
2.70
4.35
8.24
13.0
260
 
15
June
0.20
0.39
0.52
0.84
1.70
3.10
5.69
11.4
56.0
 
15
July
0.06
0.17
0.23
0.41
0.81
1.60
2.60
3.72
45.0
 
14
August
0.00
0.02
0.10
0.23
0.50
1.20
1.90
2.50
120
 
14
September
0.00
0.01
0.04
0.18
0.40
1.30
2.30
3.88
174
 
14
October
0.00
0.04
0.07
0.23
0.65
1.30
2.00
3.90
15.0
 
13
November
0.14
0.25
0.40
0.72
1.40
2.50
5.30
8.66
94.0
 
13
December
0.45
0.59
0.71
1.20
2.10
4.10
7.46
10.0
71.0
 
13
 
       
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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