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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
03177710 BLUESTONE RIVER AT FALLS MILLS, VA
LOCATION.--Latitude 37°16'17", Longitude 81°18'18", North American Datum of 1927,
                    Tazewell County, VA, Hydrologic Unit 05050002.
DRAINAGE AREA.--44.3 square miles.
PERIOD OF RECORD.--October 1980 to March 1997, October 2004 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
REGULATION.--Some diurnal fluctuation caused by discharge from wastewater treatment plant 2.3 mi. upstream. About 65 per cent of discharge from the treatment plant is diverted from another drainage basin.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 03177710 plot. BLUESTONE RIVER AT FALLS MILLS, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 10/14/2008 is 9.26 cubic feet per second.

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


                03177710     BLUESTONE RIVER AT FALLS MILLS, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
6.03
13.2
22.9
38.6
63.1
103
171
201
430
 
20
February
10.3
26.6
33.2
52.8
88.9
132
192
223
376
 
20
March
18.0
35.5
45.4
68.1
102
147
183
219
396
 
20
April
25.1
30.8
35.9
51.1
76.6
126
176
236
439
 
19
May
22.4
29.3
32.3
43.3
64.4
94.9
134
211
420
 
19
June
8.43
13.6
18.0
28.4
40.4
60.0
105
180
388
 
19
July
10.1
14.8
16.6
21.0
28.6
39.4
61.6
78.6
200
 
19
August
8.00
10.7
12.9
17.4
23.9
32.4
45.4
54.6
172
 
19
September
6.36
9.80
11.3
14.4
17.9
25.3
41.3
55.7
261
 
19
October
7.34
12.0
12.7
14.4
18.4
31.7
60.4
72.6
230
 
19
November
7.66
11.4
12.6
16.7
23.9
43.1
67.9
82.4
114
 
20
December
8.57
12.6
14.8
22.9
41.9
77.0
125
148
258
 
20
 
       

The current 7-day running-average value for 10/14/2008 is 9.26 cubic feet per second.

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

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Page Last Modified: 9/19/2008