USGS - science for a changing world
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 2007.
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 10/14/2008 is 25 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
39.0
53.0
83.0
128
205
331
432
3,340
 
62
February
16.0
52.0
66.0
98.0
140
214
320
464
4,010
 
62
March
35.0
71.0
89.0
119
174
274
429
589
3,640
 
62
April
48.0
72.0
81.0
108
156
259
415
555
3,830
 
62
May
27.0
53.0
64.0
85.0
132
200
300
418
2,710
 
62
June
11.0
25.0
31.0
50.0
77.0
126
240
395
29,400
 
62
July
4.60
10.0
15.0
26.0
47.0
83.0
150
230
1,570
 
61
August
0.87
5.70
7.80
15.0
35.0
71.0
135
254
10,600
 
61
September
0.45
5.04
8.20
16.0
32.0
72.8
175
333
9,810
 
61
October
3.80
9.00
12.0
22.0
47.0
118
250
430
12,500
 
62
November
12.0
20.0
23.9
37.8
80.0
149
299
443
5,790
 
62
December
15.0
25.0
35.0
69.0
115
191
335
469
3,790
 
62
 
       
Instantaneous minimum flow for period of record = 0.21 cubic feet per second.

The current daily value for 10/14/2008 is 25 cubic feet per second.

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

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://va.water.usgs.gov/duration_plots/daily/dp01665500.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 9/19/2008