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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
01632000 NORTH FORK SHENANDOAH RIVER AT COOTES STORE, VA
LOCATION.--Latitude 38°38'13", Longitude 78°51'11", North American Datum of 1927,
                    Rockingham County, VA, Hydrologic Unit 02070006.
DRAINAGE AREA.--210 square miles.
PERIOD OF RECORD.--February 1925 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation. Some diversion during summer months for irrigation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 01632000 plot. NORTH FORK SHENANDOAH RIVER AT COOTES STORE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 59.71 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


                01632000     NORTH FORK SHENANDOAH RIVER AT COOTES STORE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
3.02
8.81
17.0
59.9
161
291
446
502
1,200
 
90
February
3.43
16.5
41.6
96.2
184
353
522
604
1,180
 
90
March
11.1
56.1
89.0
163
307
474
721
856
1,870
 
90
April
21.8
83.9
109
184
314
531
722
975
1,660
 
90
May
22.7
50.6
66.3
134
262
470
623
784
1,360
 
91
June
5.92
24.1
33.1
59.8
139
271
461
546
1,100
 
91
July
0.97
6.40
10.5
20.5
40.9
79.6
185
355
1,140
 
91
August
0.49
1.28
2.81
6.85
22.2
81.4
211
333
771
 
91
September
0.41
1.05
1.65
3.92
18.1
84.5
247
340
1,700
 
91
October
0.66
1.62
2.08
5.57
15.9
104
294
487
1,690
 
90
November
0.79
3.33
4.69
10.9
33.7
182
350
494
2,000
 
90
December
3.02
5.14
7.46
29.9
110
249
465
604
1,900
 
90
 
       

The current 28-day running-average value for 03/22/2017 is 59.71 cubic feet per second.

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

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