USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 14-Day Average Streamflow
 
03167000 REED CREEK AT GRAHAMS FORGE, VA
LOCATION.--Latitude 36°56'22", Longitude 80°53'13", North American Datum of 1927,
                    Wythe County, VA, Hydrologic Unit 05050001.
DRAINAGE AREA.--258 square miles.
PERIOD OF RECORD.--July 1908 to September 1916, January 1927 to current year. Monthly discharge only for some periods, published in WSP 1305.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--Minimal diurnal fluctuation caused by mill.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 14-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03167000 plot. REED CREEK AT GRAHAMS FORGE, VA
Provisional Data Subject to Revision

                    

The current 14-day running-average value for 10/14/2008 is 56.21 cubic feet per second.

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


                03167000     REED CREEK AT GRAHAMS FORGE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
49.9
68.2
82.2
164
266
408
631
780
1,290
 
88
February
50.6
89.4
121
221
363
578
793
937
2,820
 
88
March
43.6
141
195
287
423
603
862
1,080
2,140
 
88
April
70.6
161
186
245
357
576
832
1,090
1,960
 
88
May
57.9
122
144
188
278
400
593
755
1,540
 
89
June
64.9
88.5
102
129
184
276
441
582
1,170
 
89
July
59.6
74.0
80.6
100
126
175
276
401
1,730
 
89
August
52.3
66.5
75.9
88.8
112
156
225
378
916
 
89
September
47.7
60.1
67.3
77.3
92.6
121
197
266
852
 
89
October
44.4
60.3
64.6
76.0
94.0
141
251
363
1,360
 
87
November
46.0
63.9
67.6
79.7
106
176
310
412
985
 
88
December
52.3
66.9
71.0
96.9
145
295
502
609
1,250
 
88
 
       

The current 14-day running-average value for 10/14/2008 is 56.21 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_14/dp03167000.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 9/19/2008