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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 2015.
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 03/22/2017 is 93.57 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
23.8
41.4
71.8
138
216
314
366
617
 
89
February
17.2
40.6
58.9
102
175
264
363
422
700
 
89
March
18.1
68.1
94.8
147
215
325
426
490
847
 
89
April
40.9
82.7
104
149
211
326
458
545
841
 
89
May
32.6
51.9
67.6
106
161
259
356
413
837
 
89
June
13.9
28.2
33.2
48.3
85.1
162
305
383
551
 
89
July
8.79
13.2
15.3
21.1
30.5
58.4
161
258
591
 
89
August
8.44
11.2
12.0
16.2
23.4
38.9
79.5
132
400
 
89
September
7.01
9.43
10.5
13.1
20.4
38.4
89.7
152
433
 
89
October
8.19
9.30
10.1
13.5
21.1
39.5
106
193
556
 
88
November
9.30
12.5
13.9
19.1
35.1
89.0
199
249
465
 
89
December
11.6
16.0
19.1
33.6
81.8
161
254
330
641
 
89
 
       

The current 28-day running-average value for 03/22/2017 is 93.57 cubic feet per second.

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

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