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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02035000 JAMES RIVER AT CARTERSVILLE, VA
LOCATION.--Latitude 37°40'15", Longitude 78°05'10", North American Datum of 1927,
                    Goochland County, VA, Hydrologic Unit 02080205.
DRAINAGE AREA.--6,252 square miles.
PERIOD OF RECORD.--October 1898 to current year. Monthly discharge only for some periods, published in WSP 1303.
DURATION STATISTIC COMPUTATION PERIOD.--October 1898 to June 1982.
REGULATION.--Considerable regulation from Moomaw Lake, 230 miles upstream, as well as moderate diurnal fluctuation by powerplants above Lynchburg, 100 miles upstream. Flow augmented by summertime releases since 1982.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02035000 plot. JAMES RIVER AT CARTERSVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 3280.36 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


                02035000     JAMES RIVER AT CARTERSVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
1,040
1,940
2,740
4,760
7,280
11,200
15,500
19,600
28,600
 
83
February
1,350
2,760
4,130
6,430
9,380
13,200
16,300
19,000
27,000
 
84
March
2,120
4,850
5,900
7,980
11,300
14,700
19,600
23,500
35,400
 
84
April
2,290
4,760
5,810
7,830
10,800
14,800
20,600
23,500
33,500
 
84
May
2,110
3,530
4,100
5,570
7,930
11,000
14,900
18,300
25,100
 
84
June
1,590
2,310
2,720
3,860
5,590
8,920
12,600
15,600
31,900
 
83
July
588
1,500
1,760
2,420
3,550
5,380
8,400
10,600
38,100
 
83
August
582
973
1,260
1,940
2,930
4,200
8,410
11,500
22,600
 
83
September
560
812
953
1,510
2,400
4,450
8,530
12,800
23,900
 
83
October
480
803
986
1,530
2,340
4,650
9,060
12,700
23,100
 
83
November
555
1,170
1,430
1,940
3,000
5,300
8,850
11,600
21,300
 
83
December
919
1,440
1,620
2,520
4,550
7,620
11,500
14,400
29,800
 
83
 
       

The current 28-day running-average value for 03/22/2017 is 3280.36 cubic feet per second.

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

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