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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02052000 plot. MEHERRIN RIVER AT EMPORIA, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 314.68 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 28-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
91.4
142
297
523
825
1,230
1,640
1,900
3,310
 
21
February
156
306
399
710
1,070
1,610
2,070
2,220
3,360
 
21
March
240
381
561
825
1,100
1,560
2,330
3,000
3,400
 
21
April
258
292
334
479
998
1,550
2,420
2,620
3,930
 
20
May
225
271
291
380
611
867
1,550
2,490
4,120
 
20
June
155
202
240
316
540
792
1,070
1,280
1,840
 
20
July
45.0
122
144
219
314
443
667
1,490
2,910
 
20
August
41.8
75.8
99.2
140
277
481
638
812
2,920
 
20
September
18.5
47.5
56.0
100
186
326
623
1,270
1,930
 
20
October
16.6
40.1
50.1
83.1
160
357
1,500
3,090
3,310
 
20
November
41.0
86.9
112
151
215
723
1,870
2,990
3,920
 
20
December
79.3
104
154
219
472
884
1,250
1,930
3,830
 
21
 
       

The current 28-day running-average value for 03/22/2017 is 314.68 cubic feet per second.

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

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