Virginia WSC USGS Daily Duration Plots: Site ID 03168000

Virginia Water Science Center

Duration Plot and Table of 14-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 2007.
	REGULATION.--Flow regulated by powerplants about 25 miles upstream.
	GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.

Duration Plot with 14-Day Average Streamflow Conditions

03168000 plot.
NEW RIVER AT ALLISONIA, VA

The current 14-day running-average value for 08/28/2008 is 1477.29 cubic feet per second.
explanation

Duration Table of 14-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	749	1,090	1,320	2,240	3,200	4,510	5,790	7,090	15,700	78
February	828	1,300	1,830	2,640	3,870	5,330	7,230	8,330	14,300	78
March	1,150	1,860	2,270	3,200	4,300	5,830	7,480	9,420	15,800	78
April	1,370	2,060	2,270	2,890	4,100	6,150	8,290	9,890	17,700	78
May	1,140	1,650	1,940	2,500	3,350	4,540	5,790	7,210	14,200	78
June	802	1,250	1,460	1,950	2,740	3,760	4,870	5,710	13,200	78
July	678	1,040	1,190	1,630	2,050	2,700	3,490	4,510	10,400	78
August	566	899	1,060	1,420	1,850	2,390	3,570	4,520	18,400	78
September	610	866	991	1,200	1,540	2,090	3,460	4,470	14,700	78
October	669	822	904	1,130	1,610	2,500	4,290	5,400	17,000	77
November	654	933	1,010	1,300	1,950	3,030	4,690	5,840	16,100	78
December	729	1,020	1,150	1,700	2,460	3,750	4,970	6,140	10,400	78

The current 14-day running-average value for 08/28/2008 is 1477.29 cubic feet per second.
---- Provisional Data Subject to Revision ----

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/htm_14/dp03168000.htm
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Page Last Modified: 8/6/2008

Minimum daily flow

5th percentile

10th percentile

25th percentile

Median

75th percentile

90th percentile

95th percentile

Maximum daily flow

Years of record

January

749

1,090

1,320

2,240

3,200

4,510

5,790

7,090

15,700

78

February

828

1,300

1,830

2,640

3,870

5,330

7,230

8,330

14,300

78

March

1,150

1,860

2,270

3,200

4,300

5,830

7,480

9,420

15,800

78

April

1,370

2,060

2,270

2,890

4,100

6,150

8,290

9,890

17,700

78

May

1,140

1,650

1,940

2,500

3,350

4,540

5,790

7,210

14,200

78

June

802

1,250

1,460

1,950

2,740

3,760

4,870

5,710

13,200

78

July

678

1,040

1,190