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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
03164000 NEW RIVER NEAR GALAX, VA
LOCATION.--Latitude 36°38'50", Longitude 80°58'45", North American Datum of 1927,
                    Grayson County, VA, Hydrologic Unit 05050001.
DRAINAGE AREA.--1,141 square miles.
PERIOD OF RECORD.--October 1929 to current year. Monthly discharge only for some periods, published in WSP 1305.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--Slight diurnal fluctuation at times caused by small hydroelectric dam 36.4 miles above station.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 03164000 plot. NEW RIVER NEAR GALAX, VA
Provisional Data Subject to Revision

                    

The current daily value for 08/27/2008 is 5730 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


                03164000     NEW RIVER NEAR GALAX, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
300
600
768
1,210
1,730
2,500
3,820
5,040
57,800
 
78
February
390
804
1,000
1,410
2,050
2,960
4,460
5,890
22,500
 
78
March
500
1,060
1,250
1,660
2,210
3,210
4,750
6,650
30,600
 
78
April
755
1,100
1,240
1,530
2,090
2,980
4,420
5,630
25,400
 
78
May
582
927
1,030
1,320
1,760
2,390
3,360
4,300
29,100
 
78
June
383
676
781
1,010
1,390
1,920
2,780
3,660
31,000
 
78
July
285
556
658
862
1,160
1,550
2,150
2,680
21,200
 
78
August
283
459
563
754
968
1,350
2,120
2,850
86,200
 
78
September
265
450
525
648
838
1,220
2,100
3,250
32,100
 
78
October
322
450
503
635
921
1,450
2,430
3,600
22,000
 
78
November
388
536
592
754
1,160
1,800
3,000
4,000
56,800
 
78
December
340
579
665
950
1,440
2,120
3,120
4,240
22,000
 
78
 
       
Instantaneous minimum flow for period of record = 193 cubic feet per second.

The current daily value for 08/27/2008 is 5730 cubic feet per second.

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

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