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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02031000 MECHUMS RIVER NEAR WHITE HALL, VA
LOCATION.--Latitude 38°06'09", Longitude 78°35'35", North American Datum of 1927,
                    Albemarle County, VA, Hydrologic Unit 02080204.
DRAINAGE AREA.--95.3 square miles.
PERIOD OF RECORD.--October 1942 to September 1951, October 1979 to current year. Prior to September 1951, published as Mechum River near Ivy.
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 02031000 plot. MECHUMS RIVER NEAR WHITE HALL, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 36.32 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


                02031000     MECHUMS RIVER NEAR WHITE HALL, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
15.4
32.8
39.8
64.9
100
154
210
245
457
 
45
February
14.6
38.8
44.2
69.0
115
164
213
320
675
 
45
March
14.6
43.1
64.5
93.1
126
175
284
331
546
 
45
April
30.3
54.7
61.1
90.2
133
204
317
405
741
 
45
May
22.9
42.0
51.3
74.6
111
171
273
318
601
 
45
June
5.62
28.0
39.1
51.7
91.5
130
176
219
340
 
45
July
1.73
13.0
19.1
34.5
55.1
81.5
145
178
389
 
45
August
0.24
8.19
14.1
20.2
36.4
60.0
119
153
265
 
45
September
0.03
8.27
12.7
21.2
30.8
62.5
146
288
451
 
45
October
0.39
8.65
13.5
21.0
36.5
89.4
203
288
662
 
43
November
9.38
18.1
24.2
30.6
53.0
101
160
242
675
 
45
December
13.4
24.9
29.3
51.9
86.8
156
254
306
587
 
45
 
       

The current 28-day running-average value for 03/22/2017 is 36.32 cubic feet per second.

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

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