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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 2015.
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 03/22/2017 is 1095.5 cubic feet per second.

  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
692
895
1,390
1,900
2,700
3,580
4,400
10,400
 
86
February
453
854
1,120
1,500
2,240
3,030
4,040
4,800
7,730
 
86
March
709
1,150
1,400
1,840
2,470
3,310
4,380
5,490
8,670
 
86
April
849
1,230
1,400
1,720
2,350
3,500
4,790
5,660
10,700
 
86
May
660
1,020
1,170
1,480
1,980
2,630
3,370
4,100
6,970
 
86
June
543
769
894
1,160
1,550
2,190
2,970
3,600
7,920
 
86
July
356
640
735
962
1,210
1,620
2,120
3,020
10,400
 
86
August
309
498
627
858
1,080
1,460
2,220
2,880
13,400
 
86
September
322
494
584
718
949
1,350
2,200
2,780
8,600
 
86
October
365
465
532
677
1,000
1,580
2,650
3,530
9,720
 
85
November
401
548
603
771
1,180
1,830
2,880
3,490
12,400
 
86
December
374
615
692
1,030
1,540
2,290
3,020
3,890
6,640
 
86
 
       

The current 14-day running-average value for 03/22/2017 is 1095.5 cubic feet per second.

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

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