05086900 MIDDLE RIVER NEAR NEWFOLDEN, MN


List Of Figures:

Annual mean discharge
Annual flow duration


LOCATION.--Lat 4822'04'', long 9616'47'', in NE1/4NE1/4 sec.3, T.156 N., R.44 W., Marshall County, Hydrologic Unit 09020309, at bridge on township road and 2.0 mi northeast of Newfolden.
DRAINAGE AREA.--88.8 mi2.
PERIOD OF RECORD.--Water year 1979 to current year.
GAGE.--Crest-stage gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,300 ft3/s, May 18, 1996, gage height, 18.31 ft; maximum gage height, 18.71 ft, Apr. 19, 1997.

Annual mean discharge

Annual mean discharge 05086900 MIDDLE RIVER NEAR NEWFOLDEN, MN
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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 05086900 MIDDLE RIVER NEAR NEWFOLDEN, MN
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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         16.9         --             --            --             --
  0.95         1.05         38.7         --             --            --             --
  0.90         1.11         59.7         --             --            --             --
  0.80         1.25         101          --             --            --             --
  0.50         2            270          --             --            --             --
  0.20         5            710          --             --            --             --
  0.10         10           1,170        --             --            --             --
  0.04         25           1,980        --             --            --             --
  0.02         50           2,770        --             --            --             --
  0.01         100          3,740        --             --            --             --
  0.005        200          4,930        --             --            --             --
  0.002        500          6,850        --             --            --             --

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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

1979    April 25     17.10    1,000      1989    April 17     15.93    600
1980    April 6      14.32    270        1990    March 14     12.80    46.0
1981    June 28      13.46    55.0       1991    July 8       13.27    74.0
1982    April 15     15.29    270        1992    April 1      13.86    115
1983    March 7      15.87    225        1993    August 31    16.67    550
1984    June 10      15.02    360        1994    March 22     14.40    50.0
1985    June 27      16.16    610        1995    March 16     15.50    340
1986    May 1        14.37    282        1996    May 18       18.31    2,300
1987    March 25     14.59    215        1997    April 19     18.71    2,000
1988    April 4      13.64    100

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

1996    May 18       18.31    2,300      1982    April 15     15.29    270
1997    April 19     18.71    2,000      1983    March 7      15.87    225
1979    April 25     17.10    1,000      1987    March 25     14.59    215
1985    June 27      16.16    610        1992    April 1      13.86    115
1989    April 17     15.93    600        1988    April 4      13.64    100
1993    August 31    16.67    550        1991    July 8       13.27    74.0
1984    June 10      15.02    360        1981    June 28      13.46    55.0
1995    March 16     15.50    340        1994    March 22     14.40    50.0
1986    May 1        14.37    282        1990    March 14     12.80    46.0
1980    April 6      14.32    270

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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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