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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02031000 plot. MECHUMS RIVER NEAR WHITE HALL, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 35.43 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


                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
12.6
29.3
34.9
58.0
95.3
143
215
313
1,080
 
45
February
13.0
36.7
42.3
66.9
102
156
246
349
844
 
45
March
13.1
42.4
58.6
85.7
125
187
280
372
861
 
45
April
22.6
48.1
56.0
74.1
107
182
342
478
1,140
 
45
May
14.0
35.0
45.1
63.3
96.6
141
222
291
753
 
45
June
2.33
17.4
26.4
42.0
69.3
105
175
241
936
 
45
July
0.83
9.51
13.4
25.7
43.6
67.0
108
145
978
 
45
August
0.02
4.64
8.60
17.1
29.1
52.9
88.8
149
647
 
45
September
0.00
5.13
9.98
16.7
26.0
51.1
134
334
1,630
 
45
October
0.24
9.46
13.3
20.0
36.4
76.7
156
289
2,340
 
44
November
10.3
21.4
25.7
30.7
53.6
97.8
177
265
1,920
 
45
December
10.3
23.1
27.8
50.3
85.4
145
249
363
882
 
45
 
       

The current 7-day running-average value for 03/22/2017 is 35.43 cubic feet per second.

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

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