----------------------------------------------------------------------------------------------------------
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 -- -- -- -- -- -- -- --
-----------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------------------------
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 -- -- -- -- -- -- -- -- -- -- -- -- --
------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------
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 ng -- -- -- --
0.95 1.05 ng -- -- -- --
0.90 1.11 153 -- -- -- --
0.80 1.25 244 -- -- -- --
0.50 2 536 -- -- -- --
0.20 5 1,030 -- -- -- --
0.10 10 1,370 -- -- -- --
0.04 25 1,800 -- -- -- --
0.02 50 2,110 -- -- -- --
0.01 100 2,400 -- -- -- --
0.005 200 2,680 -- -- -- --
0.002 500 3,030 -- -- -- --
------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------
Annual peak discharge and corresponding gage height, period of record
[--, no data]
_____________________________________________________________________________________
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
1979 April 12 13.43 838 1989 March 27 15.08 760
1980 June 5 10.47 214 1990 March 13 -- 5.00
1981 June 13 10.77 273 1991 September 8 14.86 765
1982 March 30 13.06 325 1992 June 17 10.10 79.0
1983 April 10 11.98 430 1993 March 30 14.06 720
1984 June 8 14.06 910 1994 March 23 15.37 1,020
1985 May 9 13.34 960 1995 March 14 13.70 765
1986 September 21 14.27 1,280 1996 April 11 14.01 560
1987 March 7 11.59 380 1997 April 5 15.76 1,640
1988 March1 11.23 120
Annual peak discharge, from highest to lowest, and corresponding gage height
1997 April 5 15.76 1,640 1996 April 11 14.01 560
1986 September 21 14.27 1,280 1983 April 10 11.98 430
1994 March 23 15.37 1,020 1987 March 7 11.59 380
1985 May 9 13.34 960 1982 March 30 13.06 325
1984 June 8 14.06 910 1981 June 13 10.77 273
1979 April 12 13.43 838 1980 June 5 10.47 214
1995 March 14 13.70 765 1988 March1 11.23 120
1991 September 8 14.86 765 1992 June 17 10.10 79.0
1989 March 27 15.08 760 1990 March 13 -- 5.00
1993 March 30 14.06 720
-----------------------------------------------------------------------------------
1 Day of month unknown.
---------------------------------------------------------------------------------------------------------------------------------
Monthly and annual mean discharges, in cubic feet per second
[Data were not rounded in accordance with U.S. Geological Survey publication standards; --, no data]
________________________________________________________________________________________
Year Oct. Nov. Dec. Jan. Feb. March April May June July Aug. Sept. Annual
________________________________________________________________________________________
-- -- -- -- -- -- -- -- -- -- -- -- -- --
--------------------------------------------------------------------------------------
|
U.S. Department of the Interior ||
U.S. Geological Survey Maintainer: Webmaster Last update: Tuesday, 24-Aug-2004 12:38:24 EDT Privacy || Disclaimer|| Accessibility || FOIA URL: http://nd.water.usgs.gov/pubs/ofr/ofr00344/htdocs/ff.05050700.html |