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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02030500 SLATE RIVER NEAR ARVONIA, VA
LOCATION.--Latitude 37°42'10", Longitude 78°22'40", North American Datum of 1927,
                    Buckingham County, VA, Hydrologic Unit 02080203.
DRAINAGE AREA.--226 square miles.
PERIOD OF RECORD.--April 1926 to September 1995, 2005 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02030500 plot. SLATE RIVER NEAR ARVONIA, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 101.25 cubic feet per second.

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


                02030500     SLATE RIVER NEAR ARVONIA, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
36.8
71.0
91.2
157
235
331
467
556
1,080
 
78
February
48.6
100
118
166
266
376
529
623
1,090
 
78
March
75.5
131
156
234
314
407
579
731
1,230
 
78
April
67.7
109
144
205
300
429
600
767
1,200
 
78
May
66.6
97.6
112
148
213
313
488
616
1,010
 
79
June
36.2
63.5
75.0
102
153
215
312
491
2,140
 
79
July
18.4
33.6
41.7
66.8
102
154
244
376
2,360
 
79
August
2.02
20.1
28.4
45.5
82.7
154
305
418
880
 
80
September
7.21
18.0
22.3
38.6
75.8
142
284
531
1,020
 
80
October
6.04
17.4
25.2
41.2
74.7
151
365
557
984
 
77
November
13.5
36.0
47.6
64.4
106
193
316
514
908
 
78
December
36.4
54.0
63.2
95.6
164
265
395
599
1,200
 
78
 
       

The current 28-day running-average value for 03/22/2017 is 101.25 cubic feet per second.

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

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