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Statistics of monthly and annual mean discharges
[--, no data]
__________________________________________________________________________________________________________
Maximum Minimum Mean
______________________ ______________________ _____________________________________________
Water year Water year Standard Coeffi- Percentage
Month Discharge of Discharge of Discharge deviation cient of of annual
(ft3/s) occurrence (ft3/s) occurrence (ft3/s) (ft3/s) variation discharge
__________________________________________________________________________________________________________
October -- -- -- -- -- -- -- --
November -- -- -- -- -- -- -- --
December -- -- -- -- -- -- -- --
January -- -- -- -- -- -- -- --
February -- -- -- -- -- -- -- --
March -- -- -- -- -- -- -- --
April -- -- -- -- -- -- -- --
May -- -- -- -- -- -- -- --
June -- -- -- -- -- -- -- --
July -- -- -- -- -- -- -- --
August -- -- -- -- -- -- -- --
September -- -- -- -- -- -- -- --
Annual -- -- -- -- -- -- -- --
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Monthly and annual flow duration, in cubic feet per second [--, no data]
______________________________________________________________________________________________
Percentage
of days
discharge Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. Annual
equaled or
exceeded
______________________________________________________________________________________________
95 -- -- -- -- -- -- -- -- -- -- -- -- --
90 -- -- -- -- -- -- -- -- -- -- -- -- --
85 -- -- -- -- -- -- -- -- -- -- -- -- --
80 -- -- -- -- -- -- -- -- -- -- -- -- --
75 -- -- -- -- -- -- -- -- -- -- -- -- --
70 -- -- -- -- -- -- -- -- -- -- -- -- --
65 -- -- -- -- -- -- -- -- -- -- -- -- --
60 -- -- -- -- -- -- -- -- -- -- -- -- --
55 -- -- -- -- -- -- -- -- -- -- -- -- --
50 -- -- -- -- -- -- -- -- -- -- -- -- --
45 -- -- -- -- -- -- -- -- -- -- -- -- --
40 -- -- -- -- -- -- -- -- -- -- -- -- --
35 -- -- -- -- -- -- -- -- -- -- -- -- --
30 -- -- -- -- -- -- -- -- -- -- -- -- --
25 -- -- -- -- -- -- -- -- -- -- -- -- --
20 -- -- -- -- -- -- -- -- -- -- -- -- --
15 -- -- -- -- -- -- -- -- -- -- -- -- --
10 -- -- -- -- -- -- -- -- -- -- -- -- --
5 -- -- -- -- -- -- -- -- -- -- -- -- --
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Probability of annual high discharges
[--, no data]
__________________________________________________________________________________________________
Maximum average discharge
(ft3/s)
___________________________________________________________
Recurrence Maximum
Exceedance interval instantaneous 3-day period 7-day period 15-day period 30-day period
probability (years) (ft3/s)
__________________________________________________________________________________________________
0.99 1.01 18.1 -- -- -- --
0.95 1.05 54.9 -- -- -- --
0.90 1.11 95.9 -- -- -- --
0.80 1.25 183 -- -- -- --
0.50 2 574 -- -- -- --
0.20 5 1,600 -- -- -- --
0.10 10 2,620 -- -- -- --
0.04 25 4,290 -- -- -- --
0.02 50 5,790 -- -- -- --
0.01 100 7,500 -- -- -- --
0.005 200 9,410 -- -- -- --
0.002 500 12,200 -- -- -- --
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Annual peak discharge and corresponding gage height, period of record
_____________________________________________________________________________________
Gage Peak Gage Peak
Water Date height discharge Water Date height discharge
year (feet) (ft3/s) year (feet) (ft3/s)
_____________________________________________________________________________________
Annual peak discharge, by year, and corresponding gage height
1986 March 29 17.04 450 1992 March 7 15.80 205
1987 March 22 15.77 310 1993 March 29 17.50 880
1988 April 4 15.22 190 1994 July 8 19.25 1,340
1989 April 4 20.44 1,900 1995 March 27 18.25 1,260
1990 March 31 11.09 55.0 1996 April 15 18.94 1,950
1991 June 11 13.87 96.0 1997 April 15 22.63 3,000
Annual peak discharge, from highest to lowest, and corresponding gage height
1997 April 15 22.63 3,000 1986 March 29 17.04 450
1996 April 15 18.94 1,950 1987 March 22 15.77 310
1989 April 4 20.44 1,900 1992 March 7 15.80 205
1994 July 8 19.25 1,340 1988 April 4 15.22 190
1995 March 27 18.25 1,260 1991 June 11 13.87 96.0
1993 March 29 17.50 880 1990 March 31 11.09 55.0
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Monthly and annual mean discharges, in cubic feet per second--Continued[--, no data] --------------------------------------------------------------------------------------- Year Oct. Nov. Dec. Jan. Feb. March April May June July Aug. Sept. Annual --------------------------------------------------------------------------------------- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------------
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