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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02052000 MEHERRIN RIVER AT EMPORIA, VA
LOCATION.--Latitude 36°41'24", Longitude 77°32'27", North American Datum of 1927,
                    Emporia City, VA, Hydrologic Unit 03010204
DRAINAGE AREA.--744 square miles.
PERIOD OF RECORD.--January 1951 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--November 1965 to April 1986.
REGULATION.--Flow regulated by power generation dam prior to November 1965 and since April 1986.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02052000 plot. MEHERRIN RIVER AT EMPORIA, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 394.57 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


                02052000     MEHERRIN RIVER AT EMPORIA, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
97.3
137
212
432
682
1,290
2,350
3,540
4,420
 
21
February
119
260
372
600
912
1,470
2,250
3,550
9,190
 
21
March
207
328
395
559
980
1,620
2,250
3,860
9,890
 
21
April
224
261
296
385
660
1,320
2,140
2,500
8,710
 
20
May
164
203
236
310
483
788
1,350
2,400
9,400
 
20
June
91.3
135
167
225
341
558
1,160
1,730
4,560
 
20
July
28.4
63.0
99.5
138
223
385
729
1,140
9,620
 
20
August
30.7
47.6
65.9
116
213
400
608
969
1,770
 
20
September
14.1
27.4
38.5
66.8
131
216
443
1,340
4,880
 
20
October
16.0
36.8
46.6
87.1
156
450
993
2,150
11,000
 
20
November
44.6
84.2
101
157
227
490
1,540
3,120
9,380
 
20
December
83.4
115
138
239
560
878
1,480
2,120
3,350
 
21
 
       

The current 7-day running-average value for 03/22/2017 is 394.57 cubic feet per second.

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

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