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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02052000 plot. MEHERRIN RIVER AT EMPORIA, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 03/22/2017 is 360.21 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


                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
94.9
141
203
453
787
1,280
2,100
2,630
4,280
 
21
February
151
266
389
634
1,030
1,500
2,490
3,040
4,880
 
21
March
213
312
426
639
1,080
1,580
2,530
3,390
5,700
 
21
April
245
276
307
426
833
1,420
2,070
2,840
4,830
 
20
May
191
238
261
338
540
783
1,530
2,260
6,600
 
20
June
119
158
189
260
399
761
1,190
1,370
2,590
 
20
July
30.5
92.5
119
157
262
410
709
971
5,320
 
20
August
35.4
49.9
75.6
128
253
407
696
791
1,350
 
20
September
15.3
31.9
50.1
71.4
155
238
514
1,310
2,740
 
20
October
15.3
38.0
49.1
81.8
156
399
1,170
3,500
6,120
 
20
November
45.8
85.1
103
157
224
620
1,920
2,690
5,640
 
20
December
84.2
108
147
241
555
899
1,500
1,920
3,790
 
21
 
       

The current 14-day running-average value for 03/22/2017 is 360.21 cubic feet per second.

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

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