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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
02034000 RIVANNA RIVER AT PALMYRA, VA
LOCATION.--Latitude 3751'28", Longitude 7815'58", North American Datum of 1927,
                    Fluvanna County, VA, Hydrologic Unit 02080204.
DRAINAGE AREA.--663 square miles.
PERIOD OF RECORD.--October 1933 to current year. Monthly discharge only for some periods, published in WSP 1303.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--Diurnal fluctuation caused by reservoir operation. Diversion estimated 1.3 cfs.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
02034000 plot. 
RIVANNA RIVER AT PALMYRA, VA
Provisional Data Subject to Revision

                    

The current daily value for 02/25/2017 is 113.0 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


                02034000     RIVANNA RIVER AT PALMYRA, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
68.0
156
205
353
593
974
1,730
2,520
19,000
 
81
February
82.0
226
281
421
667
1,070
1,780
2,600
19,500
 
81
March
80.0
301
372
531
780
1,240
2,240
3,210
33,800
 
81
April
162
280
335
458
660
1,080
1,860
2,600
49,000
 
81
May
84.0
210
251
344
525
822
1,370
2,080
22,900
 
81
June
38.0
99.0
133
209
337
546
1,020
1,590
68,000
 
81
July
15.0
56.6
72.0
127
233
399
720
1,190
11,600
 
81
August
10.0
34.0
49.0
92.0
179
352
716
1,170
57,000
 
81
September
5.20
36.0
50.0
85.0
158
319
713
1,240
40,800
 
81
October
13.0
46.0
63.0
112
199
428
882
1,600
55,500
 
81
November
52.0
95.0
117
185
316
587
1,150
1,770
31,000
 
81
December
67.0
135
170
290
491
827
1,520
2,240
23,200
 
81
 
       
Instantaneous minimum flow for period of record = 5.20 cubic feet per second.

The current daily value for 02/25/2017 is 113.0 cubic feet per second.

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

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