USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
03168000 NEW RIVER AT ALLISONIA, VA
LOCATION.--Latitude 36°56'15", Longitude 80°44'45", North American Datum of 1927,
                    Pulaski County, VA, Hydrologic Unit 05050001.
DRAINAGE AREA.--2,212 square miles.
PERIOD OF RECORD.--September 1929 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Flow regulated by powerplants about 25 miles upstream.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03168000 plot. NEW RIVER AT ALLISONIA, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 1910 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-Day Average Streamflow
            Flow values in cubic feet per second


                03168000     NEW RIVER AT ALLISONIA, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
772
1,040
1,330
2,110
3,090
4,520
6,540
8,500
26,400
 
86
February
767
1,320
1,710
2,420
3,660
5,230
7,550
9,180
18,300
 
86
March
1,050
1,780
2,230
3,060
4,060
5,730
8,300
10,400
22,900
 
86
April
1,290
1,960
2,180
2,760
3,870
5,550
7,960
10,400
23,000
 
86
May
1,090
1,540
1,840
2,410
3,250
4,500
5,980
7,140
17,300
 
86
June
724
1,180
1,360
1,800
2,490
3,530
4,800
6,210
18,900
 
86
July
643
980
1,190
1,520
1,950
2,610
3,470
4,580
20,300
 
86
August
405
847
996
1,320
1,730
2,260
3,610
5,100
31,800
 
86
September
501
840
947
1,130
1,440
2,080
3,520
4,730
20,700
 
86
October
623
796
871
1,100
1,570
2,400
4,090
6,070
14,800
 
85
November
628
913
998
1,280
1,880
2,950
4,440
6,230
26,900
 
86
December
699
987
1,130
1,640
2,480
3,700
5,430
6,580
16,300
 
86
 
       

The current 7-day running-average value for 03/22/2017 is 1910 cubic feet per second.

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

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/htm_7/dp03168000.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 6/19/2016