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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average 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 2015.
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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01674500 plot. MATTAPONI RIVER NEAR BEULAHVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 368.46 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


                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
92.4
154
229
393
642
919
1,300
1,480
2,600
 
74
February
104
240
308
482
754
1,040
1,430
1,600
3,230
 
74
March
101
337
413
588
829
1,140
1,650
2,160
3,070
 
74
April
140
294
410
588
891
1,290
1,740
2,230
3,930
 
74
May
81.8
232
280
427
640
959
1,400
1,700
2,640
 
74
June
21.4
99.0
149
261
407
625
1,030
1,270
3,340
 
74
July
5.64
48.1
65.1
118
215
344
521
711
4,050
 
74
August
1.61
33.4
43.5
77.0
160
325
600
936
3,080
 
74
September
3.92
20.8
28.0
57.8
136
303
608
809
2,640
 
74
October
5.30
22.0
31.0
54.4
145
336
668
911
2,120
 
73
November
19.2
48.3
68.7
135
239
486
868
1,090
1,820
 
74
December
37.3
96.5
136
257
412
716
1,150
1,520
2,270
 
74
 
       

The current 28-day running-average value for 03/22/2017 is 368.46 cubic feet per second.

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

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