OCTOBER TEMPERATURE NORMALS AND EXTREMES DENVER, COLORADO www.ErwinandBecky.com Centennial, CO 80111 UPDATED: 11/12/2007 --------------------------------------------------------------------------------------- NORMAL RECORD YEAR HIGHEST YEAR NORMAL RECORD YEAR LOWEST YEAR DATE HIGH HIGH SET MIN TEMP SET LOW LOW SET MAX TEMP SET --------------------------------------------------------------------------------------- Oct 01 72 90# 1892 59 1887 42 27 1985 37 1959 Oct 02 72 88 2005 59 1884 41 30 1999^ 40 1902 Oct 03 72 88 2005 60 1954 41 31 1900 42 1986 Oct 04 71 87 1997 58 1922 41 28 1877 35 1969 Oct 05 71 86 1997^ 55 1920 40 20 1969 44 1969 Oct 06 71 87 1975 55 1947 40 26 1995 35 2000 Oct 07 70 87 1934 55 2006 40 23 1970 38 1970 Oct 08 70 85 1910 54 1954^ 39 22 1970 39 1990 Oct 09 69 87 1910 55 1954 39 25 1970 39 1993^ Oct 10 69 89 1910 56 1928 38 25 1905 34 2005 Oct 11 69 85 1996^ 57 1881 38 22 1946 33 1986 Oct 12 68 87 1991^ 55 1996 38 10 1969 24 1969 Oct 13 68 85 1962 56 1897 37 3 1969 26 1969 Oct 14 67 85 1962 56 1882 37 4 1969 36 1969 Oct 15 67 82 1938^ 54 1935 36 20 1970 35 1984 Oct 16 66 89 1991 54 1910 36 15 1969 33 1969 Oct 17 66 86 1926 56 1926 36 18 1969 37 1989 Oct 18 65 84 2003^ 54 1924 35 19 1916 34 1908 Oct 19 65 86 2003 52 1975^ 35 18 1916 31 1916 Oct 20 64 83 1950 50 1947^ 34 21 1995 32 1911 Oct 21 64 83 2003 54 1947 34 17 1911 26 1906 Oct 22 63 84 2003 52 1902 34 8 1873 27 1906 Oct 23 63 87 1973 49 2003 33 16 1873 30 2002 Oct 24 62 79 1999^ 49 1940^ 33 8 1887 24 1887 Oct 25 62 80 2007^ 50 1894 32 1 1873 21 1997^ Oct 26 61 83 1977 49 1927 32 3 1997 31 1923 Oct 27 61 80 1966^ 47 1933^ 31 11 1925 28 1911 Oct 28 60 80 1994^ 52 2001 31 9 1917 30 1925 Oct 29 60 84 1950 48 1981^ 30 -2* 1917 25 1993^ Oct 30 59 80 1950 49 1950 30 7 1991 18 2002 Oct 31 59 79 1950 51 1933 30 10 1991 19 2002 --------------------------------------------------------------------------------------- The Normal High and Low Temperatures are calculated from 1971-2000 data. The Temperature Extremes range from 1872-2007. ^ Also in previous years. # Highest Temperature of the Month: 90 degrees on 10/01/1892. * Lowest Temperature of the Month: - 2 degrees on 10/29/1917. - October Mean Temperature is 51.0 degrees (from 1971-2000 data). - Data collected at the Downtown City Office from 1872-December 1949, then at the Stapleton Airport Office January 1950-February 1995, then at Denver International Airport March 1995-Present.