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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average Streamflow
 
02071530 SMITH RIVER AT SMITH RIVER CHURCH NEAR WOOLWINE, VA
LOCATION.--Latitude 36°46'42", Longitude 80°14'58", North American Datum of 1927,
                    Patrick County, VA, Hydrologic Unit 03010103.
DRAINAGE AREA.--26.3 square miles.
PERIOD OF RECORD.--October 1994 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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02071530 plot. SMITH RIVER AT SMITH RIVER CHURCH NEAR WOOLWINE, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 11/17/2008 is 22.29 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-Day Average Streamflow
            Flow values in cubic feet per second


                02071530     SMITH RIVER AT SMITH RIVER CHURCH NEAR WOOLWINE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
13.2
18.2
19.9
28.4
49.4
67.1
94.3
106
150
 
13
February
19.7
22.4
23.8
32.4
52.1
63.0
103
118
146
 
13
March
19.5
26.0
28.4
36.8
52.1
80.2
98.0
109
143
 
13
April
25.8
28.2
30.4
35.7
57.6
70.2
94.0
123
180
 
13
May
19.7
24.4
26.5
31.1
46.1
57.8
76.7
81.6
123
 
13
June
10.5
15.3
17.8
24.4
34.1
46.6
57.7
127
201
 
13
July
9.61
10.8
11.8
19.4
25.5
32.0
59.6
79.8
138
 
13
August
5.31
7.27
10.0
13.6
19.3
26.0
62.3
80.7
107
 
13
September
7.71
11.0
12.6
15.4
19.9
44.4
67.2
79.1
146
 
13
October
11.5
12.2
13.6
16.0
23.8
43.8
58.2
81.0
167
 
12
November
12.1
12.8
13.7
18.6
28.2
49.2
64.1
82.4
103
 
13
December
13.6
14.4
15.5
23.0
39.0
62.9
77.5
94.0
142
 
13
 
       

The current 14-day running-average value for 11/17/2008 is 22.29 cubic feet per second.

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

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