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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02042500 plot. CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 220.39 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


                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
29.2
83.5
133
195
292
444
601
722
1,300
 
73
February
59.0
121
157
246
341
494
658
744
1,410
 
74
March
72.0
149
196
275
383
563
751
897
1,160
 
74
April
81.2
133
165
267
378
551
768
877
1,450
 
74
May
27.7
92.7
112
162
235
384
574
684
1,050
 
74
June
5.57
35.8
52.4
92.9
161
262
423
510
969
 
74
July
0.46
14.2
26.3
47.7
84.4
186
287
404
1,190
 
74
August
0.41
11.6
17.5
37.0
91.8
198
384
692
1,590
 
74
September
0.13
7.10
13.7
27.9
81.9
192
427
630
2,050
 
74
October
0.11
6.57
12.2
26.3
70.0
167
407
581
1,390
 
73
November
1.44
13.7
26.0
59.6
127
242
448
535
1,130
 
73
December
5.50
44.8
67.5
125
198
348
562
712
1,250
 
73
 
       

The current 28-day running-average value for 03/22/2017 is 220.39 cubic feet per second.

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

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