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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
01673550 TOTOPOTOMOY CREEK NEAR STUDLEY, VA
LOCATION.--Latitude 37°39'45", Longitude 77°15'29", North American Datum of 1927,
                    Hanover County, VA, Hydrologic Unit 02080106.
DRAINAGE AREA.--25.5 square miles.
PERIOD OF RECORD.--October 1977 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--No known regulation.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01673550 plot. TOTOPOTOMOY CREEK NEAR STUDLEY, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 10/11/2008 is 6.76 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


                01673550     TOTOPOTOMOY CREEK NEAR STUDLEY, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
6.86
10.5
12.3
17.0
26.7
37.9
62.6
99.0
198
 
30
February
7.31
11.7
14.3
19.9
32.0
42.7
57.3
78.7
258
 
30
March
7.13
13.0
16.0
20.6
34.7
51.7
80.5
116
372
 
30
April
7.31
13.3
14.9
20.7
32.0
55.9
77.3
115
371
 
30
May
3.37
7.43
8.93
15.7
24.7
34.4
51.3
67.7
218
 
30
June
0.51
2.98
4.26
9.03
15.3
25.0
36.2
63.3
219
 
30
July
0.00
1.13
2.50
5.15
10.6
18.5
31.1
40.4
119
 
30
August
0.00
0.78
2.00
4.22
9.19
19.3
40.8
64.3
692
 
30
September
0.32
1.31
1.91
3.09
6.60
15.5
46.1
97.3
816
 
30
October
0.23
1.50
2.70
5.24
9.21
22.4
39.1
55.9
224
 
29
November
2.51
6.00
7.42
10.6
17.9
28.1
48.3
72.2
185
 
30
December
5.70
9.21
10.3
14.3
22.7
35.1
52.4
67.9
144
 
30
 
       

The current 7-day running-average value for 10/11/2008 is 6.76 cubic feet per second.

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

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