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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
03165500 NEW RIVER AT IVANHOE, VA
LOCATION.--Latitude 36°50'05", Longitude 80°57'10", North American Datum of 1927,
                    Wythe County, VA, Hydrologic Unit 05050001.
DRAINAGE AREA.--1,350 square miles.
PERIOD OF RECORD.--August to December 1927, October 1929 to September 1978, February 1996 to current year. Monthly discharge only for some periods, published in WSP 1305. Gage-height records collected in vicinity, October 1916 to July 1943, are contained in reports of the National Weather Service.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--Flow regulated by powerplants about 2.8 and 5.5 miles upstream.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 03165500 plot. NEW RIVER AT IVANHOE, VA
Provisional Data Subject to Revision

                    

The current daily value for 10/14/2008 is 664 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


                03165500     NEW RIVER AT IVANHOE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
358
680
840
1,450
2,050
2,840
4,210
5,640
29,900
 
60
February
384
946
1,220
1,700
2,370
3,320
4,850
6,130
24,600
 
61
March
607
1,260
1,500
1,980
2,500
3,480
5,140
6,920
31,400
 
61
April
716
1,280
1,440
1,820
2,380
3,200
4,600
6,000
25,200
 
61
May
672
1,050
1,170
1,500
1,920
2,600
3,780
4,720
29,300
 
61
June
224
746
847
1,110
1,580
2,210
3,050
3,930
21,300
 
61
July
184
601
716
970
1,330
1,800
2,420
3,060
13,100
 
61
August
213
513
615
836
1,140
1,610
2,500
3,310
87,600
 
62
September
220
421
520
705
946
1,470
2,420
3,400
33,100
 
62
October
232
482
568
732
1,110
1,700
2,750
4,200
25,400
 
61
November
238
566
650
855
1,360
2,060
3,280
4,050
61,200
 
61
December
350
650
752
1,080
1,700
2,440
3,440
4,860
26,100
 
61
 
       
Instantaneous minimum flow for period of record = 44.0 cubic feet per second.

The current daily value for 10/14/2008 is 664 cubic feet per second.

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

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Page Last Modified: 9/19/2008