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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average 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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01665500 plot. RAPIDAN RIVER NEAR RUCKERSVILLE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 28 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


                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
17.0
41.6
53.4
84.6
133
215
337
423
1,210
 
70
February
19.1
52.0
63.6
96.4
144
221
339
451
1,270
 
70
March
36.1
70.3
88.7
125
190
286
430
572
1,320
 
70
April
54.1
77.2
88.0
117
171
274
441
635
1,530
 
70
May
32.9
59.7
70.7
96.1
150
220
340
450
1,490
 
70
June
16.3
30.1
38.2
59.0
90.1
145
279
424
6,920
 
70
July
5.40
13.8
18.0
30.1
53.1
89.3
154
219
837
 
69
August
1.33
7.09
9.33
17.9
37.6
71.6
143
272
2,570
 
69
September
1.08
5.62
8.72
17.0
34.0
68.5
182
302
2,630
 
69
October
4.06
9.43
12.7
23.3
46.4
130
266
454
3,500
 
69
November
12.3
20.3
25.3
40.2
79.3
150
287
447
2,450
 
70
December
18.1
26.3
36.4
72.7
126
213
344
445
1,420
 
70
 
       

The current 7-day running-average value for 03/22/2017 is 28 cubic feet per second.

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

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