USGS - science for a changing world
Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02017500 JOHNS CREEK AT NEW CASTLE, VA
LOCATION.--Latitude 37°30'22", Longitude 80°06'25", North American Datum of 1927,
                    Craig County, VA, Hydrologic Unit 02080201.
DRAINAGE AREA.--105 square miles.
PERIOD OF RECORD.--April 1926 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2007.
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 02017500 plot. JOHNS CREEK AT NEW CASTLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 10/14/2008 is 8.74 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


                02017500     JOHNS CREEK AT NEW CASTLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
14.5
23.4
38.5
71.3
140
218
318
369
617
 
81
February
17.2
38.4
59.3
105
181
266
364
434
700
 
81
March
18.1
67.0
93.5
149
216
325
423
494
847
 
81
April
40.9
81.1
101
145
211
332
466
552
841
 
81
May
32.6
50.7
65.0
103
155
255
337
406
837
 
81
June
13.9
27.6
32.3
47.8
85.0
160
285
383
551
 
81
July
8.79
13.1
15.1
21.5
30.6
57.2
149
253
591
 
81
August
8.44
11.3
12.1
16.3
23.5
38.7
79.8
140
400
 
81
September
7.01
9.43
10.4
12.9
19.8
40.0
103
156
433
 
81
October
8.19
9.66
10.3
13.5
21.0
41.0
121
199
556
 
80
November
10.0
12.7
14.0
18.9
35.9
92.8
202
255
465
 
81
December
11.6
16.0
19.2
33.6
80.8
160
253
330
641
 
81
 
       

The current 28-day running-average value for 10/14/2008 is 8.74 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/htm_28/dp02017500.htm
Page Contact Information: Virginia WSC Webmaster
Page Last Modified: 9/19/2008