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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01674500 MATTAPONI RIVER NEAR BEULAHVILLE, VA
LOCATION.--Latitude 37°53'16", Longitude 77°09'48", North American Datum of 1927,
                    King William County, VA, Hydrologic Unit 02080105.
DRAINAGE AREA.--602 square miles.
PERIOD OF RECORD.--September 1941 to September 1987, October 1989 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--Some regulation in the past, during low flows, caused by mill on Po River.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 01674500 plot. MATTAPONI RIVER NEAR BEULAHVILLE, VA
Provisional Data Subject to Revision

                    

The current daily value for 08/28/2008 is 4.4 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of Daily Streamflow
            Flow values in cubic feet per second


                01674500     MATTAPONI RIVER NEAR BEULAHVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
77.0
145
220
405
650
979
1,560
2,000
7,560
 
64
February
69.0
236
311
493
714
1,100
1,630
2,060
8,720
 
64
March
66.0
286
359
531
842
1,300
1,900
2,450
10,500
 
64
April
75.0
245
299
443
720
1,220
1,830
2,230
9,810
 
64
May
33.0
127
160
256
455
813
1,330
1,740
5,120
 
64
June
10.0
47.0
69.0
129
242
423
771
1,100
16,200
 
64
July
0.82
27.0
38.0
72.0
147
286
516
990
8,580
 
64
August
0.25
19.0
27.0
51.0
128
292
649
1,040
12,200
 
64
September
2.60
14.0
19.0
40.0
102
230
517
1,080
8,030
 
65
October
2.90
19.0
27.0
62.8
158
326
720
1,110
7,250
 
64
November
21.0
56.0
75.0
152
299
536
1,020
1,440
5,410
 
64
December
40.0
103
144
278
460
771
1,270
1,740
7,170
 
64
 
       
Instantaneous minimum flow for period of record = 0.22 cubic feet per second.

The current daily value for 08/28/2008 is 4.4 cubic feet per second.

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

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