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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02042500 CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, VA
LOCATION.--Latitude 37°26'10", Longitude 77°03'40", North American Datum of 1927,
                    New Kent County, VA, Hydrologic Unit 02080206.
DRAINAGE AREA.--252 square miles.
PERIOD OF RECORD.--January 1942 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02042500 plot. CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 371.86 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


                02042500     CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
37.9
72.8
115
184
297
432
695
954
1,950
 
73
February
47.6
102
137
211
340
501
718
922
2,290
 
74
March
43.1
127
170
237
374
566
840
1,070
3,060
 
74
April
48.9
92.0
122
192
297
512
760
967
2,750
 
74
May
8.09
49.7
66.4
115
184
301
534
729
1,880
 
74
June
2.76
17.9
26.3
51.1
102
214
425
575
1,930
 
74
July
0.07
7.61
13.3
28.6
66.4
170
319
488
3,520
 
74
August
0.10
5.71
9.38
24.5
73.6
177
407
671
4,000
 
74
September
0.07
4.36
6.58
18.3
50.4
128
400
832
5,250
 
74
October
0.08
4.30
8.97
23.0
63.6
177
381
564
2,080
 
73
November
0.71
16.6
30.6
64.0
130
265
525
698
2,220
 
73
December
12.7
46.0
68.9
125
225
369
620
854
1,570
 
73
 
       

The current 7-day running-average value for 03/22/2017 is 371.86 cubic feet per second.

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

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