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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01665500 RAPIDAN RIVER NEAR RUCKERSVILLE, VA.
LOCATION.--Latitude 38°16'50", Longitude 78°20'25", North American Datum of 1927,
                    Madison County, VA, Hydrologic Unit 02080103.
DRAINAGE AREA.--115 square miles.
PERIOD OF RECORD.--September 1942 to June 1995, October 1998 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Diversion after 1973, estimated 0.77 cfs.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 01665500 plot. RAPIDAN RIVER NEAR RUCKERSVILLE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 29.0 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


                01665500     RAPIDAN RIVER NEAR RUCKERSVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
13.0
40.0
52.0
80.0
126
202
323
416
4,520
 
70
February
16.0
51.9
64.0
94.0
138
210
314
445
4,010
 
70
March
35.0
69.6
87.1
120
178
273
429
595
3,640
 
70
April
48.0
74.0
83.0
110
160
260
413
550
3,830
 
70
May
27.0
54.0
65.0
88.0
136
206
321
458
5,710
 
70
June
11.0
25.0
33.0
53.0
79.0
130
242
387
29,400
 
70
July
4.60
11.0
15.0
26.0
48.0
82.0
145
226
1,570
 
69
August
0.87
5.90
8.20
15.0
34.0
68.0
129
236
10,600
 
69
September
0.45
4.80
8.20
16.0
31.0
67.2
160
300
9,810
 
69
October
3.80
9.10
12.0
22.0
45.0
114
246
407
12,500
 
70
November
12.0
20.0
24.0
38.0
79.0
146
287
433
5,790
 
70
December
15.0
26.0
35.0
69.0
118
197
339
473
3,790
 
70
 
       
Instantaneous minimum flow for period of record = 0.21 cubic feet per second.

The current daily value for 03/22/2017 is 29.0 cubic feet per second.

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

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