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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02032640 NORTH FORK RIVANNA RIVER NEAR EARLYSVILLE, VA
LOCATION.--Latitude 3809'48", Longitude 7825'30", North American Datum of 1927,
                    Albemarle County, VA, Hydrologic Unit 02080204
DRAINAGE AREA.--108 square miles, (measured on USGS topographic maps).
PERIOD OF RECORD.--October 1993 to current year.
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 Daily Streamflow Conditions
Provisional Data Subject to Revision
02032640 plot. 
NORTH FORK RIVANNA RIVER NEAR EARLYSVILLE, VA
Provisional Data Subject to Revision

                    

The current daily value for 02/25/2017 is 31.0 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily


      Duration Table of Daily Streamflow
           
Flow values in cubic feet per second


                02032640     NORTH FORK RIVANNA RIVER NEAR EARLYSVILLE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
19.0
29.0
32.0
55.0
102
167
319
488
5,720
 
22
February
20.0
35.1
44.2
59.5
99.0
161
282
403
2,940
 
22
March
20.0
46.2
58.0
89.0
140
217
399
580
2,090
 
22
April
40.0
53.0
57.1
81.0
117
178
300
454
2,420
 
22
May
16.0
34.0
41.0
56.0
78.5
128
247
413
4,800
 
22
June
6.50
11.0
16.0
29.0
49.0
93.0
211
388
2,270
 
22
July
2.90
5.90
8.03
13.0
29.0
53.2
108
185
1,720
 
22
August
0.69
1.60
2.30
7.40
17.0
36.0
67.7
123
899
 
22
September
0.28
0.78
4.21
8.50
17.0
46.8
146
360
11,000
 
22
October
1.70
5.50
8.23
13.0
25.0
74.0
134
254
2,890
 
22
November
13.0
15.0
19.0
25.0
48.0
115
276
459
2,650
 
22
December
15.0
23.0
27.0
49.0
97.0
171
304
472
2,420
 
22
 
       
Instantaneous minimum flow for period of record = 0.25 cubic feet per second.

The current daily value for 02/25/2017 is 31.0 cubic feet per second.

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

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