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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 2015.
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 03/22/2017 is 28.86 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
10.4
12.1
16.3
26.1
38.0
60.7
89.5
198
 
38
February
7.31
11.9
13.6
17.3
29.6
42.4
59.5
76.2
258
 
38
March
7.13
13.0
15.7
20.4
33.3
49.7
75.8
111
372
 
38
April
7.31
13.3
15.0
20.1
31.3
50.8
73.4
106
371
 
38
May
3.37
7.67
9.64
16.4
24.4
33.9
51.0
67.6
218
 
38
June
0.51
3.44
4.90
9.18
15.1
24.2
36.2
61.6
219
 
38
July
0.00
1.36
3.03
5.55
10.9
18.0
30.3
38.2
119
 
38
August
0.00
1.28
2.35
4.50
9.11
17.7
34.4
59.0
692
 
38
September
0.32
1.43
2.01
3.29
6.88
14.1
45.1
96.8
816
 
38
October
0.23
1.82
2.73
5.17
9.02
21.2
36.7
53.7
224
 
37
November
2.51
5.69
6.93
10.4
17.4
27.7
48.3
70.4
185
 
38
December
5.70
9.16
10.1
14.1
23.0
35.4
54.9
75.2
144
 
38
 
       

The current 7-day running-average value for 03/22/2017 is 28.86 cubic feet per second.

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

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