USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 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 02071530 plot. SMITH RIVER AT SMITH RIVER CHURCH NEAR WOOLWINE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 24.86 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


                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
11.9
18.5
20.6
28.4
47.0
61.9
104
128
199
 
21
February
18.7
21.7
23.7
30.4
45.6
58.9
84.9
110
196
 
21
March
18.7
27.1
31.7
37.6
54.4
72.4
97.6
116
189
 
21
April
24.3
28.6
30.3
38.4
57.4
71.5
89.1
116
215
 
21
May
17.6
23.9
26.9
35.4
45.6
58.1
76.4
91.9
213
 
21
June
9.84
14.9
16.9
25.3
32.9
46.3
80.2
116
215
 
21
July
9.11
11.1
13.3
18.6
23.4
32.9
63.1
94.7
204
 
21
August
4.70
7.16
9.72
13.9
19.6
29.6
57.4
72.3
137
 
21
September
5.69
9.79
11.9
14.8
19.6
34.7
56.5
82.7
603
 
21
October
11.0
12.0
12.9
15.4
24.1
35.2
50.2
68.0
260
 
20
November
12.0
12.9
15.0
20.0
25.7
43.6
68.5
84.3
135
 
21
December
12.9
15.0
17.6
23.9
38.9
62.0
85.3
99.1
208
 
21
 
       

The current 7-day running-average value for 03/22/2017 is 24.86 cubic feet per second.

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

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/htm_7/dp02071530.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 6/19/2016