05061400 SPRING CREEK ABOVE DOWNER, MN

List Of Figures:

Annual mean discharge
Annual flow duration

LOCATION.--Lat 46°44'37'', long 96°25'12'', in NW1/4 NW1/4 sec.30, T.138 N., R.45 W., Clay County, Hydrologic Unit 09020106, at culvert on county road and 3.1 mi east of Downer.
DRAINAGE AREA.--7.93 mi2.
PERIOD OF RECORD.--Water year 1961 to current year.
GAGE.--Crest-stage gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,460 ft3/s, June 29, 1975, gage height, 13.52 ft; maximum gage height, 13.78 ft, June 17, 1986.

Annual mean discharge

Annual mean discharge 05061400 SPRING CREEK ABOVE DOWNER, MN 
----------------------------------------------------------------------------------------------------------
                              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 05061400 SPRING CREEK ABOVE DOWNER, MN 
----------------------------------------------------------------------------------------------------------------------
              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         3.50         --            --            --             --
  0.95         1.05         7.20         --            --            --             --
  0.90         1.11         10.7         --            --            --             --
  0.80         1.25         17.9         --            --            --             --
  0.50         2            50.4         --            --            --             --
  0.20         5            155          --            --            --             --
  0.10         10           290          --            --            --             --
  0.04         25           581          --            --            --             --
  0.02         50           923          --            --            --             --
  0.01         100          1,420        --            --            --             --
  0.005        200          2,110        --            --            --             --
  0.002        500          3,460        --            --            --             --

------------------------------------------------------------------------------------------------------------

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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

1961    March 3     6.96     21.0       1980    March 28    7.42     22.0
1962    June 8      13.46    860        1981    July 30     6.26     11.0
1963    May 26      7.78     69.0       1982    May 17      7.14     10.0
1964    April 15    6.90     41.0       1983    July 2      9.96     184
1965    April 10    7.47     103        1984    June 8      7.56     45.0
1966    June 5      6.64     53.0       1985    May 31      7.45     53.0
1967    June 14     6.26     12.0       1986    June 17     13.78    839
1968    June 10     6.30     35.0       1987    March 6     6.82     28.0
1969    April 9     8.08     117        1988    July 13     6.15     15.0
1970    April 8     5.96     15.0       1989    March 27    8.33     51.0
1971    June 29     7.38     84.0       1990    March 30    6.05     13.0
1972    March 17    7.38     84.0       1991    May 31      6.68     30.0
1973    April 14    7.39     84.0       1992    June 16     7.38     54.0
1974    July 13     5.85     11.0       1993    July 24     11.56    265
1975    June 29     13.52    1,460      1994    March 20    6.97     31.0
1976    March 23    6.75     5.80       1995    March 13    7.12     47.0
1977    July 5      7.02     31.0       1996    May 18      10.71    225
1978    March 31    9.18     74.0       1997    April 5     10.82    234
1979    June 30     7.39     46.0

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

1975    June 29     13.52    1,460      1979    June 30     7.39     46.0
1962    June 8      13.46    860        1984    June 8      7.56     45.0
1986    June 17     13.78    839        1964    April 15    6.90     41.0
1993    July 24     11.56    265        1968    June 10     6.30     35.0
1997    April 5     10.82    234        1977    July 5      7.02     31.0
1996    May 18      10.71    225        1994    March 20    6.97     31.0
1983    July 2      9.96     184        1991    May 31      6.68     30.0
1969    April 9     8.08     117        1987    March 6     6.82     28.0
1965    April 10    7.47     103        1980    March 28    7.42     22.0
1971    June 29     7.38     84.0       1961    March 3     6.96     21.0
1972    March 17    7.38     84.0       1970    April 8     5.96     15.0
1973    April 14    7.39     84.0       1988    July 13     6.15     15.0
1978    March 31    9.18     74.0       1990    March 30    6.05     13.0
1963    May 26      7.78     69.0       1967    June 14     6.26     12.0
1992    June 16     7.38     54.0       1974    July 13     5.85     11.0
1966    June 5      6.64     53.0       1981    July 30     6.26     11.0
1985    May 31      7.45     53.0       1982    May 17      7.14     10.0
1989    March 27    8.33     51.0       1976    March 23    6.75     5.80
1995    March 13    7.12     47.0

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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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