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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02061500 BIG OTTER RIVER NEAR EVINGTON, VA
LOCATION.--Latitude 37°12'30", Longitude 79°18'14", North American Datum of 1927,
                    Campbell County, VA, Hydrologic Unit 03010101
DRAINAGE AREA.--315 square miles.
PERIOD OF RECORD.--October 1936 to current year. Monthly discharge only for some periods, published in WSP 1303. Prior to October 1965, published as Otter River near Evington.
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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02061500 plot. BIG OTTER RIVER NEAR EVINGTON, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 11/17/2008 is 102.29 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


                02061500     BIG OTTER RIVER NEAR EVINGTON, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
64.0
108
139
208
309
512
757
967
2,450
 
70
February
81.6
147
174
243
370
577
898
1,140
2,880
 
70
March
79.7
174
201
281
408
636
929
1,220
3,720
 
70
April
86.4
166
193
244
364
581
941
1,190
4,120
 
70
May
61.3
121
145
200
288
434
656
928
3,400
 
71
June
15.7
74.6
94.2
153
221
326
561
829
7,390
 
71
July
5.44
45.9
65.1
103
162
237
382
536
2,560
 
71
August
1.58
34.6
46.3
74.3
128
212
428
699
5,240
 
71
September
1.27
28.4
39.8
68.1
116
192
370
626
3,710
 
71
October
9.93
43.7
55.4
86.6
133
229
443
846
2,880
 
70
November
25.3
73.4
87.6
117
177
300
484
590
3,810
 
70
December
45.4
92.1
111
153
249
395
615
815
2,760
 
70
 
       

The current 7-day running-average value for 11/17/2008 is 102.29 cubic feet per second.

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

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