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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 3656'22", Longitude 8053'13", 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 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 02/23/2017 is 157.0 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
84.0
141
227
389
699
1,000
6,080
 
96
February
28.0
88.0
120
190
304
505
832
1,230
5,660
 
96
March
30.0
130
174
244
358
549
928
1,330
8,760
 
96
April
60.0
143
165
211
301
462
750
1,050
10,600
 
97
May
50.0
109
126
163
222
330
560
840
5,600
 
97
June
54.0
78.0
88.0
114
152
222
360
491
6,160
 
97
July
48.0
68.0
74.0
91.0
115
154
240
350
9,880
 
97
August
43.0
60.0
68.0
81.0
102
138
226
327
2,450
 
97
September
41.0
57.0
63.0
72.0
87.0
111
172
248
2,640
 
97
October
42.0
56.0
62.0
73.0
90.0
129
210
320
4,650
 
96
November
40.0
63.0
68.0
78.0
103
166
290
421
4,800
 
96
December
34.0
64.0
69.0
94.0
147
275
497
706
4,910
 
96
 
       
Instantaneous minimum flow for period of record = 5.00 cubic feet per second.

The current daily value for 02/23/2017 is 157.0 cubic feet per second.

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

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