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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01627500 SOUTH RIVER AT HARRISTON, VA
LOCATION.--Latitude 3813'07", Longitude 7850'13", North American Datum of 1927,
                    Augusta County, VA, Hydrologic Unit 02070005.
DRAINAGE AREA.--212 square miles.
PERIOD OF RECORD.--February 1925 to September 1951, October 1968 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Historically a mill operated 0.4 miles upstream of gage. Wastwater treatment upstream estimated input 12.6 cfs.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
01627500 plot. 
SOUTH RIVER AT HARRISTON, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 93.0 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


                01627500     SOUTH RIVER AT HARRISTON, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
43.0
65.0
79.0
132
200
327
579
820
12,500
 
73
February
32.0
78.8
102
152
238
373
575
831
6,200
 
74
March
49.0
113
140
192
274
438
753
1,090
9,330
 
74
April
76.0
119
136
184
260
422
712
985
10,100
 
74
May
52.0
96.8
113
142
201
305
485
675
7,220
 
74
June
40.0
68.0
76.0
98.0
132
189
300
459
12,300
 
74
July
35.0
56.0
64.0
80.0
101
130
191
285
1,830
 
74
August
25.0
49.0
57.0
70.0
86.0
117
208
327
8,490
 
74
September
29.0
51.0
57.0
67.0
81.0
127
274
520
12,500
 
74
October
32.0
51.0
58.0
68.0
89.0
170
358
695
12,600
 
73
November
35.0
58.0
66.0
78.0
118
230
467
702
16,400
 
73
December
40.0
62.0
70.0
105
174
296
513
732
5,620
 
73
 
       
Instantaneous minimum flow for period of record = 17.0 cubic feet per second.

The current daily value for 03/22/2017 is 93.0 cubic feet per second.

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

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