Average Annual Temperatures at Boise, Idaho for the 145-year period 1865 through 2011 [missing data for 1864, 1866, 1867] normal (1981-10) = 52.4 F degrees RANK RANK AMONG AMONG DATA YEAR COLDEST WARMEST djf mam jja son 45.8 1985 1 145 c 47.9 1984 2 144 48.4 1893 3 143 48.5 1964 4 142 w c c+ c+ 48.6 1882 5 tie 48.6 1955 tie tie c c- c+ c+ 48.6 1982 tie 139 c w- w+ w+ 48.7 1883 8 tie 48.7 1993 tie 137 w+ w+ w+ w 48.9 1880 10 136 49.2 1948 11 135 w- 49.3 1890 12 tie 49.3 1892 tie tie 49.3 1898 tie 132 c c+ c c 49.4 1895 15 131 49.5 1891 16 tie 49.5 1912 tie 129 w+ w+ w w- 49.6 1916 18 tie c- c+ c+ 49.6 1942 tie 127 w+ w- c- c 49.7 1911 20 126 c w+ w+ 49.8 1944 21 125 w- w- w- 49.9 1913 22 tie w w w w+ 49.9 1976 tie 123 c+ c w+ 50.0 1881 24 tie 50.0 1884 tie tie 50.0 1899 tie tie c c- w c- 50.0 1929 tie tie c+ c 50.0 1951 tie tie c+ w w+ w+ 50.0 1957 tie 117 c- w w- w 50.1 1949 30 tie w- w 50.1 1989 tie 115 c+ c+ c c- 50.2 1922 32 tie c+ c 50.2 1930 tie tie c+ w- 50.2 1932 tie tie w- w- w- 50.2 1956 tie 111 c+ c+ c+ c+ 50.3 1962 36 tie c+ c- c- c+ 50.3 1979 tie 109 c 50.4 1868 38 tie 50.4 1935 tie tie c- c- c 50.4 1959 tie 106 w+ c w- c 50.5 1896 41 tie w w+ w+ 50.5 1920 tie tie w- c 50.5 1952 tie 103 w+ c- 50.6 1894 44 tie 50.6 1919 tie tie w+ w+ w+ w 50.6 1945 tie 100 c- c- c+ c- 50.7 1924 47 tie w- w- c+ c+ 50.7 1975 tie 98 c+ c+ c+ 50.8 1886 49 tie 50.8 1903 tie tie w c+ c- c 50.8 1917 tie tie c+ c+ c+ c+ 50.8 1946 tie tie w w+ w 50.8 1977 tie 93 w- w+ w+ w+ 50.9 1897 54 tie w+ w+ 50.9 1905 tie tie w+ w+ w+ w+ 50.9 1943 tie tie c+ c+ c 50.9 1950 tie tie c+ c+ c+ c+ 50.9 1972 tie tie c- w+ w+ w+ 50.9 1980 tie 87 w+ w- 51.0 1908 60 tie c- c+ 51.0 1947 tie tie w w- c c 51.0 1960 tie tie c- c c c- 51.0 1965 tie tie w w+ w+ 51.0 1978 tie 82 w+ w- c 51.1 1902 65 81 c c+ w- w 51.2 1923 66 tie c c w+ w+ 51.2 1983 tie tie w+ w+ w- c- 51.2 1991 tie 78 w+ w w+ 51.3 1954 69 77 c- c- c- 51.4 1879 70 tie 51.4 1887 tie tie 51.4 1927 tie tie c- c+ w- 51.4 1971 tie 73 c+ c+ c c+ 51.5 1906 74 tie w+ w- c+ c+ 51.5 1909 tie tie w- w c+ c 51.5 1953 tie 70 w w+ w+ w 51.6 1928 77 tie c+ c+ 51.6 1937 tie tie c- c- 51.6 1966 tie 67 w w+ 51.7 1933 80 tie w- c- c- 51.7 1969 tie tie w+ w w w 51.7 1981 tie tie w- c+ 51.7 1990 tie 63 w+ w- 51.8 1910 84 tie c+ c+ c+ c+ 51.8 1941 tie tie w+ w+ w+ w+ 51.8 1986 tie 60 w- 51.9 1865 87 tie 51.9 1918 tie tie c+ c+ w w- 51.9 1970 tie tie w c- c+ 51.9 1988 tie 56 w- c+ c+ 52.0 1888 91 tie 52.0 1907 tie tie c- w- w 52.0 1915 tie tie w+ w c w 52.0 1931 tie 52 c+ c+ c- 52.1 1885 95 tie 52.1 1914 tie tie w- w w+ w+ 52.1 1961 tie tie c- 52.1 1974 tie 48 c+ c+ c+ c+ 52.2 1889 99 tie 52.2 1921 tie tie c+ c+ c- c+ 52.2 1968 tie 45 c- c- c 52.3 1967 102 tie c+ c- 52.3 1995 tie tie w w+ 52.3 1996 tie 42 c- 52.4 1877 105 tie 52.4 1878 tie tie 52.4 1936 tie tie c+ w- 52.4 1994 tie tie w+ w+ w+ 52.4 2002 tie tie w- w w 52.4 2005 tie tie 52.4 2008 tie tie c+ c 52.4 2011 tie 34 c+ c- c 52.5 1900 113 tie w w+ c+ w+ 52.5 1901 tie tie c c+ w+ 52.5 1963 tie 31 c c w w+ 52.6 1870 116 tie 52.6 1875 tie tie 52.6 1876 tie tie 52.6 1999 tie tie c+ c+ c- c 52.6 2009 tie 26 w- w 52.7 1938 121 25 c c c+ c+ 52.8 1987 122 tie w+ w+ w+ w 52.8 2000 tie tie c+ c+ c+ c 52.8 2001 tie 22 52.9 1871 125 tie 52.9 1873 tie tie 52.9 1973 tie tie w+ c+ c+ 52.9 1997 tie 18 w w+ w+ 53.0 1904 129 tie c+ c+ w- w- 53.0 1925 tie tie c+ c+ w+ w+ 53.0 1940 tie 15 w w+ w+ w+ 53.1 1872 132 tie 53.1 1939 tie tie c+ c c- w+ 53.1 1958 tie tie w+ w- c- 53.1 2004 tie 11 w- w- 53.3 1992 136 tie w+ w+ w w 53.3 2010 tie 9 w w- c 53.4 1926 138 8 w+ w+ w- c- 53.7 1998 139 tie w+ w 53.7 2006 tie 6 54.2 2007 141 5 w c- 54.6 1869 142 tie 54.6 1874 tie 3 54.8 2003 144 2 55.8 1934 145 1 c w- 1/4/2012 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ average annual temperatures at boise, all sites.txt