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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average 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 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03164000 plot. NEW RIVER NEAR GALAX, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 08/27/2008 is not determined.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 14-Day Average 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
374
680
871
1,380
1,900
2,680
3,530
4,320
10,400
 
78
February
453
821
1,120
1,550
2,290
3,100
4,050
4,730
7,730
 
78
March
709
1,140
1,370
1,830
2,480
3,340
4,360
5,460
8,670
 
78
April
849
1,210
1,390
1,710
2,350
3,520
4,790
5,850
10,700
 
78
May
660
1,000
1,160
1,460
1,950
2,560
3,330
3,980
6,940
 
78
June
543
776
895
1,160
1,570
2,180
2,940
3,580
7,920
 
78
July
356
639
736
974
1,230
1,640
2,090
2,780
6,500
 
78
August
357
503
628
864
1,100
1,480
2,170
2,730
13,400
 
78
September
322
490
579
719
946
1,320
2,240
2,820
8,600
 
78
October
391
474
532
676
987
1,570
2,690
3,600
9,720
 
77
November
401
545
595
770
1,210
1,850
2,980
3,610
12,400
 
78
December
374
617
690
1,030
1,510
2,270
2,940
3,900
6,640
 
78
 
       

The current 14-day running-average value for 08/27/2008 is not determined.

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

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