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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02017500 plot. JOHNS CREEK AT NEW CASTLE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 108.57 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


                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
12.1
22.7
35.4
68.3
123
223
384
523
1,460
 
89
February
14.7
34.5
50.3
86.4
156
263
447
586
1,380
 
89
March
18.3
57.0
76.6
123
196
328
546
755
1,660
 
89
April
34.7
60.7
75.7
105
160
286
502
685
1,390
 
89
May
16.7
35.0
44.0
66.3
116
204
382
519
1,150
 
89
June
9.16
18.1
21.6
29.7
48.9
97.0
236
423
1,630
 
89
July
8.14
11.2
12.6
16.0
23.4
40.6
77.0
145
1,040
 
89
August
7.09
9.14
10.3
13.0
18.9
34.7
75.7
127
1,360
 
89
September
5.63
8.48
9.29
11.4
16.4
27.4
70.9
165
990
 
89
October
7.09
9.27
10.3
13.4
19.6
41.4
116
221
1,180
 
88
November
9.29
13.2
14.7
19.1
35.3
93.8
203
326
1,250
 
89
December
10.6
16.1
19.1
35.1
80.7
165
291
404
1,410
 
89
 
       

The current 7-day running-average value for 03/22/2017 is 108.57 cubic feet per second.

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

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