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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02053800 SOUTH FORK ROANOKE RIVER NEAR SHAWSVILLE, VA
LOCATION.--Latitude 37°08'24", Longitude 80°16'00", North American Datum of 1927,
                    Montgomery County, VA, Hydrologic Unit 03010101
DRAINAGE AREA.--109 square miles.
PERIOD OF RECORD.--October 1960 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 Daily Streamflow Conditions
Provisional Data Subject to Revision 02053800 plot. SOUTH FORK ROANOKE RIVER NEAR SHAWSVILLE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 63.0 cubic feet per second.

  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


                02053800     SOUTH FORK ROANOKE RIVER NEAR SHAWSVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
10.0
26.0
33.0
58.0
90.0
139
240
335
3,420
 
55
February
10.0
37.0
45.0
68.0
108
176
297
421
3,030
 
55
March
19.0
49.0
59.0
90.0
140
218
361
538
3,160
 
55
April
38.0
51.0
61.0
81.0
120
190
303
423
3,590
 
55
May
30.0
43.0
50.0
70.0
98.0
149
236
334
2,730
 
55
June
14.0
25.0
31.0
44.0
66.0
99.0
164
248
6,840
 
55
July
7.50
18.3
23.0
32.0
44.0
64.0
103
160
3,570
 
55
August
7.00
14.0
18.0
26.0
35.0
53.0
86.0
121
1,860
 
55
September
9.00
15.0
18.0
24.0
32.0
46.0
96.0
156
4,270
 
55
October
12.0
18.0
21.0
29.0
40.0
61.0
120
190
2,130
 
55
November
14.0
22.0
26.0
34.0
48.5
91.2
163
241
3,180
 
55
December
13.0
22.0
26.0
42.0
71.0
120
201
276
1,490
 
55
 
       
Instantaneous minimum flow for period of record = 6.30 cubic feet per second.

The current daily value for 03/22/2017 is 63.0 cubic feet per second.

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

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