Annual Precipitation Totals Boise ID, all locations for the 145-year period 1865-2011 (missing data for 1864, 1866, 1867) NORMAL PRECIPITATION (1981-2010) = 11.73 INCHES Rank Rank Among Among Data Year Driest Wettest el nino / la nina djf mam jja son 6.64 1966 1 145 w w+ 6.69 1868 2 144 6.96 2002 3 143 w- w w 7.43 1949 4 142 w- w 7.67 1992 5 141 w+ w+ w w 7.68 1967 6 140 c+ c- 7.90 1895 7 139 7.95 1933 8 138 w- c- c- 8.08 1939 9 137 c+ c c- w+ 8.09 2007 10 136 w c- 8.16 1954 11 135 c- c- c- 8.49 1987 12 134 w+ w+ w+ w 8.51 2001 13 133 8.59 1999 14 132 c+ c+ c- c 8.60 1914 15 131 w- w w+ w+ 8.66 1924 16 130 w- w- c+ c+ 8.83 1929 17 129 c+ c 8.85 1898 18 128 c c+ c c 9.02 1878 19 127 9.09 1935 20 126 c- c- c 9.18 1961 21 125 c- 9.22 1952 22 124 w+ c- 9.25 2008 23 123 c+ c 9.40 1994 24 122 w+ w+ w+ 9.41 1931 25 121 9.46 1974 26 120 c+ c+ c+ c+ 9.47 1991 27 119 w+ w w+ 9.53 1928 28 118 c+ c+ 9.55 1903 29 117 w c+ c- c 9.59 1901 30 116 c c+ w+ 9.77 1905 31 115 w+ w+ w+ w+ 9.79 1936 32 114 c+ w- 9.86 1946 33 113 w w+ w 9.92 1943 34 112 c+ c+ c 10.01 1959 35 111 w+ c w- c 10.08 1947 36 110 w w- c w- 10.11 2003 37 109 w- 10.44 1989 38 108 c+ c+ c c- 10.45 1944 39 107 w- c c- 10.49 2011 40 106 c+ c- - c 10.62 1934 41 105 c w- 10.66 1880 42 104 10.68 1962 43 103 c+ c- c- c+ 10.92 1960 44 102 c- c c c- 10.95 1889 45 101 10.97 1968 46 100 c- c c c- 11.08 1997 47 99 w w+ w+ 11.09 1888 48 98 11.12 1876 49 97 11.14 1985 50 96 c 11.30 1988 51 95 w- c+ c+ 11.31 1972 52 tie c- w+ w+ w+ 11.31 2009 tie 93 w- w 11.34 1887 54 92 11.37 1973 55 91 w+ c+ c+ 11.46 1919 56 90 w+ w+ w+ w 11.50 2004 57 89 w- w- 11.53 1865 58 88 11.65 1926 59 87 w+ w+ w- c- 11.75 1892 60 86 11.82 1956 61 85 c+ c+ c+ c+ 11.83 1978 62 84 w+ w- c 11.84 1971 63 83 c+ c+ c c+ 11.91 1948 64 82 w- 12.00 1922 65 81 c+ c 12.04 2000 66 80 c+ c+ c+ c 12.07 1910 67 tie c+ c+ c+ c+ 12.07 1921 tie tie c+ c+ c- c+ 12.07 1979 tie tie c- 12.07 1990 tie 76 w+ w- 12.10 2006 71 75 12.15 1902 72 74 c c+ w- w 12.19 1955 73 73 c c- c+ c+ 12.20 1976 74 tie c+ c w+ 12.20 1977 tie 71 w- w+ w+ 12.23 1886 76 70 12.31 1969 77 69 w+ w w w 12.33 1908 78 68 c- c+ 12.47 1923 79 67 c c w+ w+ 12.52 1965 80 66 w w+ w+ 12.53 1890 81 65 12.56 1885 82 64 12.59 1957 83 63 c- w w- w 12.60 1937 84 62 c- c- 12.73 1918 85 61 c+ c+ w w- 12.76 1993 86 60 w+ w+ w+ w 12.77 1900 87 59 w w+ c+ w+ 13.09 1932 88 58 w- w- w- 13.24 1984 89 57 13.25 1963 90 56 c c w w+ 13.31 1891 91 tie 13.31 1915 tie 54 w+ w c w 13.44 1945 93 53 c- c- c+ c- 13.56 1881 94 52 13.57 1920 95 51 w- c 13.63 2005 96 50 13.69 1951 97 tie c+ w w+ w+ 13.69 1975 tie 48 c+ c+ c+ 13.77 1940 99 47 w w+ w+ w+ 13.79 1925 100 46 c+ c+ w+ w+ 13.80 1877 101 tie 13.80 1953 tie 44 w w+ w+ w 13.81 1941 103 43 w+ w+ w+ w+ 13.83 1875 104 tie 13.83 1982 tie 41 c w- w+ w+ 13.92 1893 106 40 13.99 1950 107 39 c+ c+ c+ c+ 14.06 1995 108 38 w w+ 14.08 1904 109 37 c+ c+ w- w- 14.12 1894 110 tie 14.12 1996 tie 35 c- 14.18 1970 112 34 w c- c+ 14.19 1906 113 33 w+ w- c+ c+ 14.31 1986 114 32 w- 14.32 1958 115 31 w+ w- c- 14.43 1882 116 30 14.46 1930 117 29 c+ w- 14.48 1917 118 tie c+ c+ c+ c+ 14.48 1942 tie 27 w+ w- c- c 14.64 1916 120 26 c- c+ c+ c+ 14.81 1899 121 25 c c- w c- 14.97 1874 122 24 15.01 2010 123 23 w w- c+ 15.06 1909 124 22 w- w c+ c 15.17 1879 125 tie 15.17 1883 tie 20 15.21 1980 127 19 w+ w- 15.28 1981 128 18 w- c+ 15.35 1911 129 17 c w+ 15.41 1927 130 16 c- c+ w- 15.73 1869 131 15 15.77 1964 132 14 w c c+ c+ 15.92 1907 133 13 c- w- w 15.93 1870 134 12 16.04 1913 135 11 w w w w+ 16.40 1938 136 10 c c c+ c+ 16.75 1998 137 9 w+ w 16.98 1897 138 8 w+ w+ 17.33 1872 139 7 17.74 1873 140 6 18.10 1912 141 5 w+ w+ w w- 18.77 1983 142 4 w+ w+ w- c- 21.05 1884 143 3 22.95 1896 144 2 w w+ w+ 25.80 1871 145 1 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ no nino [blank] 1/4/2012 precip boise annual rank allsites.txt