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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 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 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 03/22/2017 is 1120.0 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


                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
620
799
1,210
1,720
2,500
3,870
5,180
57,800
 
86
February
390
818
1,000
1,400
2,000
2,870
4,360
5,710
22,500
 
86
March
500
1,080
1,270
1,680
2,210
3,190
4,730
6,650
30,600
 
86
April
755
1,110
1,250
1,540
2,110
3,000
4,390
5,610
25,400
 
86
May
582
932
1,040
1,330
1,780
2,430
3,440
4,430
29,100
 
86
June
383
669
782
1,010
1,380
1,910
2,770
3,680
31,000
 
86
July
285
549
659
856
1,140
1,530
2,160
2,890
22,900
 
86
August
250
454
562
751
956
1,350
2,160
2,980
86,200
 
86
September
265
460
530
647
842
1,260
2,120
3,260
32,100
 
86
October
322
444
503
635
926
1,430
2,380
3,600
22,000
 
86
November
388
537
587
743
1,120
1,760
3,000
3,980
56,800
 
86
December
340
580
676
954
1,460
2,140
3,200
4,310
22,000
 
86
 
       
Instantaneous minimum flow for period of record = 193 cubic feet per second.

The current daily value for 03/22/2017 is 1120.0 cubic feet per second.

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

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