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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily 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 2007.
REGULATION.--Flow regulated by powerplants about 25 miles upstream.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 03168000 plot. NEW RIVER AT ALLISONIA, VA
Provisional Data Subject to Revision

                    

The current daily value for 08/28/2008 is 11500 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


                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
500
975
1,180
2,010
2,960
4,230
6,480
8,370
84,700
 
78
February
662
1,260
1,650
2,380
3,500
5,120
7,600
10,300
38,100
 
78
March
939
1,740
2,070
2,850
3,880
5,430
8,500
11,500
50,900
 
78
April
1,100
1,790
2,030
2,570
3,580
5,180
7,660
9,760
44,100
 
78
May
997
1,460
1,680
2,230
3,010
4,240
5,950
7,570
46,100
 
78
June
627
1,080
1,260
1,680
2,370
3,280
4,540
6,000
56,500
 
78
July
535
919
1,100
1,440
1,910
2,600
3,550
4,520
30,000
 
78
August
463
783
944
1,230
1,650
2,250
3,390
4,570
95,000
 
78
September
446
739
864
1,060
1,390
2,000
3,360
4,840
59,200
 
78
October
534
764
855
1,060
1,520
2,320
3,780
5,770
38,300
 
78
November
608
878
989
1,260
1,880
2,900
4,620
6,160
86,500
 
78
December
600
950
1,100
1,580
2,360
3,490
5,140
6,840
36,200
 
78
 
       
Instantaneous minimum flow for period of record = 412 cubic feet per second.

The current daily value for 08/28/2008 is 11500 cubic feet per second.

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

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