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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02030500 plot. SLATE RIVER NEAR ARVONIA, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 118.57 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


                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
36.7
68.7
82.7
127
193
340
570
769
2,230
 
78
February
43.6
85.4
104
147
222
377
591
870
3,430
 
78
March
69.4
105
129
176
259
441
715
898
3,470
 
78
April
63.0
97.8
115
154
224
382
644
946
3,040
 
78
May
47.6
78.1
89.6
116
170
237
399
626
3,070
 
79
June
18.1
43.7
55.6
76.3
117
174
282
398
7,980
 
79
July
6.67
23.7
31.3
50.9
79.5
132
235
383
1,700
 
80
August
0.81
15.3
20.7
36.9
70.6
127
250
504
3,110
 
80
September
3.36
12.0
17.3
31.6
58.9
97.9
212
529
3,180
 
80
October
2.43
17.7
26.9
42.6
69.3
125
303
513
2,310
 
78
November
27.0
40.6
49.7
63.7
103
178
351
549
2,920
 
78
December
35.1
54.6
63.3
93.9
155
246
467
726
3,280
 
78
 
       

The current 7-day running-average value for 03/22/2017 is 118.57 cubic feet per second.

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

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