05056900 SHEYENNE RIVER TRIBUTARY NEAR COOPERSTOWN, ND


List Of Figures:

Annual mean discharge
Annual flow duration


LOCATION.--Lat 47°27'25'', long 98°00'25'', in NW1/ 4 NW1/4 NW1/4 sec.24, T.146 N., R.58 W., Griggs County, Hydrologic Unit 09020203, on county highway, 1.4 mi north of State Highway 200, and 5 mi east of Cooperstown.
DRAINAGE AREA.--15.2 mi2.
PERIOD OF RECORD.--Water year 1959-73, 1995 to current year.
GAGE.--Crest-stage gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,000 ft3/s, April 1969, gage height, 9.80 ft, backwater from ice; maximum gage height, 9.81 ft, March 1966, backwater from ice.

Annual mean discharge

Annual mean discharge for 05056900 SHEYENNE RIVER TRIBUTARY NEAR COOPERSTOWN, ND
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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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Annual flow duration

Annual flow duration for 05056900 SHEYENNE RIVER TRIBUTARY NEAR COOPERSTOWN, ND
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                              Monthly and annual flow duration, in cubic feet per second
                                             [ --, no data ]
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 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         ng           --             --            --             --
  0.95         1.05         ng           --             --            --             --
  0.90         1.11         69.4         --             --            --             --
  0.80         1.25         117          --             --            --             --
  0.50         2            283          --             --            --             --
  0.20         5            587          --             --            --             --
  0.10         10           813          --             --            --             --
  0.04         25           1,100        --             --            --             --
  0.02         50           1,320        --             --            --             --
  0.01         100          1,530        --             --            --             --
  0.005        200          1,730        --             --            --             --
  0.002        500          1,980        --             --            --             --

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           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

1959    April1      2.49     49.0       1968    June1       3.68     190
1960    May 25      7.14     445        1969    April1      9.80     1,000
1961    March 3     3.66     35.0       1970    April 7     7.10     700
1962    April1      5.94     350        1971    March 29    5.72     250
1963    July 11     3.95     140        1972    May 27      5.35     360
1964    June1       6.35     354        1973    March 5     3.50     5.00
1965    April 11    7.90     700        1995    March 13    5.80     385
1966    July1       4.77     375        1996    April 10    3.50     120
1967    May1        7.20     650        1997    April 2     4.88     250

Annual peak discharge, from highest to lowest, and corresponding gage height

1969    April1      9.80     1,000      1962    April1      5.94     350
1965    April 11    7.90     700        1971    March 29    5.72     250
1970    April 7     7.10     700        1997    April 2     4.88     250
1967    May1        7.20     650        1968    June1       3.68     190
1960    May 25      7.14     445        1963    July 11     3.95     140
1995    March 13    5.80     385        1996    April 10    3.50     120
1966    July1       4.77     375        1959    April1      2.49     49.0
1972    May 27      5.35     360        1961    March 3     3.66     35.0
1964    June1       6.35     354        1973    March 5     3.50     5.00

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1 Day of month unknown.
Monthly and annual mean discharges, in cubic feet per second Continued
                          [--, no data]
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Year  Oct.  Nov.  Dec.  Jan.  Feb.  March  April  May  June  July  Aug.  Sept.  Annual
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--    --    --    --    --    --    --     --     --   --    --    --    --     --

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