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Temperatures -30°F & below at Leech Lake Dam Minnesota

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  • npat1@juno.com
    Temperatures -30°F & below at Leech Lake Dam Minnesota Odds of having no -30°F & below minimum daily temperatures at Leech Lake Dam Minnesota for 1998-2002
    Message 1 of 1 , Jul 31, 2003
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      Temperatures -30�F & below at Leech Lake Dam Minnesota

      Odds of having no -30�F & below minimum daily temperatures at Leech Lake
      Dam Minnesota for 1998-2002 was less than 5 percent.

      But that's what happened. Other stations in the Upper Midwest also had
      few or no very cold minimums (-30 �F & below for 1998 to 2002).
      ----------------------------------------------

      Table 1: Temperatures -30�F & below at Leech Lake Dam Minnesota

      Frequency (Freq) = Number of days that daily minimum was -30�F
      or below (period of record = 1893 to 2002).

      5 yr sets : Freq
      1893-1897 : 50
      1898-1902 : 34
      1903-1907 : 40
      1908-1912 : 24
      1913-1917 : 31
      1918-1922 : 19
      1923-1927 : 15
      1928-1932 : 19
      1933-1937 : 47
      1938-1942 : 11
      1943-1947 : 6
      1948-1952 : 21
      1953-1957 : 8
      1958-1962 : 7
      1963-1967 : 22
      1968-1972 : 18
      1973-1977 : 14
      1978-1982 : 22
      1983-1987 : 12
      1988-1992 : 17
      1993-1997 : 32
      1998-2002 : 0
      2003 Jn-Jl: 0

      Average number of -30 �F & below for five year period based on
      period of record = 22.

      Odds less than 5 percent (1/21) for -30 �F & below for 1998 to 2002.

      Data obtained from Midwest Regional Climate Center.
      --------------------------------------
      Pat Neuman
      npat1@...

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