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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02032640 NORTH FORK RIVANNA RIVER NEAR EARLYSVILLE, VA
LOCATION.--Latitude 38°09'48", Longitude 78°25'30", 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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02032640 plot. NORTH FORK RIVANNA RIVER NEAR EARLYSVILLE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 33.61 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


                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
25.9
31.4
37.9
74.0
139
211
299
378
614
 
22
February
26.8
37.4
52.6
76.1
133
228
382
561
727
 
22
March
26.3
43.3
56.7
100
149
224
377
441
621
 
22
April
52.2
62.1
77.0
117
164
252
310
366
429
 
22
May
36.8
56.3
63.8
78.2
121
233
307
447
512
 
22
June
10.9
25.6
32.1
49.3
75.4
137
241
321
426
 
22
July
8.85
10.5
14.3
27.6
53.7
93.2
165
319
469
 
22
August
1.43
4.63
6.36
11.3
28.9
56.3
91.1
114
162
 
22
September
0.75
1.29
7.14
13.6
31.2
54.3
145
383
729
 
22
October
1.43
7.82
9.76
17.0
32.6
129
247
429
732
 
21
November
12.6
14.5
19.4
27.7
50.2
124
213
250
346
 
22
December
16.8
20.7
27.8
61.7
125
241
339
373
433
 
22
 
       

The current 28-day running-average value for 03/22/2017 is 33.61 cubic feet per second.

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

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