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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily 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 Daily Streamflow Conditions
Provisional Data Subject to Revision 03167000 plot. REED CREEK AT GRAHAMS FORGE, VA
Provisional Data Subject to Revision

                    

The current daily value for 10/14/2008 is 54 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


                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
22.0
66.0
80.0
140
230
389
694
997
6,080
 
88
February
28.0
86.0
117
194
310
522
852
1,270
5,660
 
88
March
30.0
128
170
241
351
550
940
1,380
8,760
 
88
April
60.0
140
162
208
296
460
750
1,050
10,600
 
89
May
50.0
106
124
161
220
330
580
852
5,600
 
89
June
54.0
78.0
88.0
114
154
224
362
491
6,160
 
89
July
48.0
68.0
74.0
92.0
115
153
235
336
9,880
 
89
August
43.0
60.0
68.0
81.0
101
137
219
341
2,450
 
89
September
41.0
57.0
63.0
72.0
87.0
111
172
250
2,640
 
89
October
42.0
58.0
63.0
74.0
89.0
130
214
324
4,650
 
88
November
40.0
63.0
68.0
78.0
104
168
290
427
4,800
 
88
December
34.0
64.0
69.0
93.0
144
271
489
692
4,910
 
88
 
       
Instantaneous minimum flow for period of record = 5.00 cubic feet per second.

The current daily value for 10/14/2008 is 54 cubic feet per second.

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

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Page Last Modified: 9/19/2008