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 2015.
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 03/22/2017 is 227.5 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
69.3
88.5
165
262
408
634
804
1,290
 
96
February
50.6
92.9
128
217
353
563
788
938
2,820
 
96
March
43.6
147
200
287
425
603
862
1,080
2,140
 
96
April
70.6
163
190
250
362
571
814
1,070
1,960
 
96
May
57.9
123
147
192
278
402
591
740
1,540
 
97
June
64.9
89.9
102
130
182
274
433
588
1,170
 
97
July
59.6
73.4
80.3
98.7
126
177
284
400
1,730
 
97
August
51.9
66.6
75.1
88.7
112
156
229
365
916
 
97
September
47.7
60.2
67.5
77.6
93.6
121
190
260
852
 
97
October
44.4
58.6
63.9
75.7
94.1
139
250
360
1,360
 
95
November
46.0
63.5
67.2
79.9
105
172
308
414
985
 
96
December
52.3
66.4
70.9
97.2
148
296
501
619
1,250
 
96
 
       

The current 14-day running-average value for 03/22/2017 is 227.5 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: 6/19/2016