Average Temperatures for October at Boise, Idaho for the 145-year period 1865 through 2011 (missing data for 1864, 1866, 1867) normal (1981-10) = 52.8 F degrees RANK RANK AMONG AMONG DATA YEAR COLDEST WARMEST 44.5 1883 1 145 44.9 1919 w 2 144 45.2 1946 w 3 143 45.5 1882 4 142 45.8 1881 5 141 45.9 1969 w 6 140 46.4 1949 7 139 46.6 1898 c 8 138 46.9 1984 9 137 47.1 1890 10 136 47.2 1893 11 135 47.4 1905 w+ 12 134 47.5 1970 c+ 13 133 47.8 1878 14 tie 47.8 1880 tie 131 48.0 1899 c- 16 tie 48.0 1913 w+ tie 129 48.2 1912 w- 18 128 48.4 1920 19 tie 48.4 1985 tie 126 48.5 2009 W 21 125 48.7 1916 c+ 22 tie 48.7 1981 tie 123 48.9 1886 24 122 49.0 1911 w+ 25 tie 49.0 1971 c+ tie 120 49.1 1961 c- 27 119 49.2 1951 w+ 28 tie 49.2 1995 tie 117 49.3 1873 30 116 49.4 1877 31 tie 49.4 1966 tie tie 49.4 2002 w- tie 113 49.5 1957 w 34 112 49.6 1908 c+ 35 tie 49.6 1930 tie tie 49.6 1959 c tie 109 49.7 1879 38 108 49.9 1897 39 107 50.0 1869 40 tie 50.0 1925 w+ tie 105 50.1 1956 c+ 42 104 50.2 1923 w+ 43 103 50.3 1994 w+ 44 102 50.5 1887 45 101 50.6 1900 w+ 46 100 50.7 1967 47 99 50.8 1976 48 98 50.9 1932 w- 49 tie 50.9 1941 w+ tie tie 50.9 1954 c- tie tie 50.9 1982 w+ tie 94 51.0 1990 w- 53 93 51.2 1892 54 tie 51.2 1989 c- tie tie 51.2 2006 w- tie 90 51.3 1884 57 89 51.5 1894 58 tie 51.5 1896 w+ tie 87 51.6 1980 w- 60 86 51.7 1972 w+ 61 tie 51.7 1998 tie 84 51.8 1991 w+ 63 83 51.9 1935 c 64 82 52.0 1997 w+ 65 tie 52.0 2007 c+ tie 80 52.2 1974 c+ 67 79 52.3 1939 w+ 68 tie 52.3 1948 tie tie 52.3 1975 c+ tie tie 52.3 2000 c tie 75 52.4 1870 72 tie 52.4 1871 tie tie 52.4 1968 tie tie 52.4 1973 c+ tie tie 52.4 1996 tie 70 52.6 1885 77 tie 52.6 1942 c tie tie 52.6 1986 w- tie 67 52.7 1960 c- 80 66 52.8 1924 c+ 81 tie 52.8 1928 c+ tie tie 52.8 1978 tie 63 52.9 1953 w 84 tie 52.9 1964 c+ tie 61 53.0 1895 86 60 53.1 1962 c+ 87 59 53.2 1888 88 tie 53.2 1909 c tie tie 53.2 1917 c+ tie tie 53.2 1977 w+ tie tie 53.2 1993 w tie 54 53.3 1955 c+ 93 53 53.5 1903 c 94 tie 53.5 1910 c+ tie tie 53.5 2001 tie tie 53.5 2004 w- tie tie 53.5 2008 tie 48 53.6 1918 w- 99 47 53.7 2005 100 46 53.8 1929 c 101 tie 53.8 1931 c- tie tie 53.8 1983 c- tie 43 53.9 1943 c 104 42 54.0 1891 105 tie 54.0 1906 c+ tie tie 54.0 1938 c+ tie 39 54.1 1927 w- 108 38 54.3 1868 109 tie 54.3 1902 w tie tie 54.3 1999 c tie 35 54.4 1914 w+ 112 tie 54.4 1915 w tie tie 54.4 1934 tie tie 54.4 1940 w+ tie tie 54.4 1979 tie tie 54.4 1992 w tie 29 54.6 1926 c- 118 tie 54.6 2011 c tie 27 54.9 1987 w 120 26 55.0 1936 w- 121 25 55.1 1904 w- 122 24 55.2 1937 123 tie 55.2 1945 c- tie tie 55.2 1947 c tie 21 55.3 1958 126 20 55.6 1921 c+ 127 19 55.8 1889 128 18 55.9 1865 129 17 56.1 1876 130 16 56.2 1922 c 131 15 56.4 1933 c- 132 tie 56.4 1965 w+ tie 13 56.8 1901 w+ 134 12 56.9 1872 135 tie 56.9 1950 c+ tie tie 56.9 1952 tie 9 57.0 2010 C+ 138 8 57.1 1875 139 7 57.8 1907 140 tie 57.8 1963 w+ tie 5 58.0 1944 w- 142 tie 58.0 2003 tie 3 59.7 1874 144 2 59.9 1988 c+ 145 1 11/1/2011 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ average october temperatures at boise, all sites.txt