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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02040000 APPOMATTOX RIVER AT MATTOAX, VA
LOCATION.--Latitude 3725'17", Longitude 7751'33", North American Datum of 1927,
                    Amelia County, VA, Hydrologic Unit 02080207.
DRAINAGE AREA.--725 square miles.
PERIOD OF RECORD.--August 1900 to December 1905, March 1926 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
02040000 plot. 
APPOMATTOX RIVER AT MATTOAX, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 258.0 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


                02040000     APPOMATTOX RIVER AT MATTOAX, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
85.0
225
266
372
574
997
2,340
3,480
13,900
 
89
February
111
258
306
455
704
1,220
2,460
3,150
15,000
 
89
March
128
320
378
525
753
1,300
2,670
3,490
11,200
 
89
April
176
276
326
434
612
1,040
2,390
3,200
18,800
 
90
May
88.0
188
216
291
430
645
1,240
2,270
9,000
 
90
June
25.0
101
124
182
277
430
775
1,240
29,600
 
90
July
17.0
62.0
80.0
120
192
350
660
1,180
7,670
 
90
August
2.60
38.0
61.0
104
181
318
642
1,300
34,300
 
90
September
15.0
40.0
60.0
90.0
157
277
588
1,610
13,400
 
90
October
13.0
57.0
75.0
112
200
337
740
1,530
25,200
 
89
November
64.0
110
127
188
294
534
1,260
2,150
10,200
 
89
December
72.0
141
182
278
445
766
1,670
2,890
11,900
 
89
 
       
Instantaneous minimum flow for period of record = 2.40 cubic feet per second.

The current daily value for 03/22/2017 is 258.0 cubic feet per second.

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

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