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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-Day Average Streamflow
 
02032250 MOORMANS RIVER NEAR FREE UNION, VA
LOCATION.--Latitude 38°08'26", Longitude 78°33'22", North American Datum of 1927,
                    Albemarle County, VA, Hydrologic Unit 02080204.
DRAINAGE AREA.--77.0 square miles.
PERIOD OF RECORD.--October 1979 to September 1997, 2005 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Minimal regulation since 1979, estimated 5.6 cfs.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.
     Duration Plot with 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02032250 plot. MOORMANS RIVER NEAR FREE UNION, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 29.71 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


                02032250     MOORMANS RIVER NEAR FREE UNION, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
3.97
13.6
18.8
42.6
81.4
135
223
362
927
 
28
February
6.39
25.1
31.9
51.6
85.1
142
229
316
861
 
28
March
15.3
30.7
43.2
75.5
129
204
341
463
983
 
28
April
16.6
29.6
38.0
64.1
105
236
496
648
1,490
 
28
May
18.4
29.9
34.8
48.7
79.2
134
258
370
1,010
 
28
June
3.51
8.92
12.3
19.6
40.0
82.2
160
274
1,870
 
28
July
0.78
2.60
5.01
9.46
20.1
39.0
91.0
144
1,900
 
28
August
0.01
0.79
1.41
4.50
12.9
25.5
62.4
113
364
 
29
September
0.00
2.00
3.01
5.04
10.0
24.0
75.3
146
1,440
 
29
October
0.79
2.64
4.30
7.22
15.8
54.6
155
364
772
 
27
November
5.29
7.89
13.2
18.8
30.4
75.7
196
275
2,820
 
28
December
6.46
13.2
18.4
34.6
74.1
146
264
337
869
 
28
 
       

The current 7-day running-average value for 03/22/2017 is 29.71 cubic feet per second.

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

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