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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average Streamflow
 
01627500 SOUTH RIVER AT HARRISTON, VA
LOCATION.--Latitude 38°13'07", Longitude 78°50'13", 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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01627500 plot. SOUTH RIVER AT HARRISTON, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 03/22/2017 is 93.43 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


                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
49.4
70.4
83.3
139
218
362
550
733
2,500
 
73
February
45.9
76.6
104
157
251
404
549
784
2,620
 
73
March
52.5
111
143
207
305
442
749
1,080
2,470
 
74
April
84.6
129
149
208
305
506
793
1,010
2,330
 
74
May
66.9
109
125
162
239
355
572
764
1,700
 
74
June
43.2
77.4
87.2
112
155
230
377
532
2,860
 
74
July
41.0
60.0
68.3
84.9
108
142
203
364
2,910
 
74
August
37.1
51.2
61.6
74.6
92.7
124
225
360
1,890
 
74
September
37.1
51.7
59.4
69.2
85.6
142
366
632
2,370
 
74
October
39.1
52.4
59.6
69.1
94.6
208
540
796
2,410
 
72
November
49.9
57.8
67.9
79.1
118
257
485
636
3,640
 
73
December
45.6
62.1
70.3
105
191
321
581
728
1,350
 
73
 
       

The current 14-day running-average value for 03/22/2017 is 93.43 cubic feet per second.

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

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