Monthly Precipitation Totals for January Boise, Idaho for the 156-year period 1865-2020 normal (1981-10) = 1.24 inch Rank Rank Among Among Data Year Driest Wettest 0.12 1949 w- 1 156 0.19 2007 w- 2 155 0.20 1985 3 154 0.23 2005 w- 4 153 0.36 1992 w+ 5 152 0.40 1924 w- 6 151 0.41 1944 w- 7 150 0.42 1961 8 149 0.43 1968 c- 9 148 0.44 1877 10 tie 0.44 1889 tie 146 0.50 1947 w 12 145 0.57 1908 13 144 0.59 1975 14 143 0.62 1893 15 142 0.63 1902 c 16 141 0.65 1977 w- 17 140 0.66 1920 w- 18 139 0.70 1926 w+ 19 138 0.73 1987 w+ 20 137 0.76 1935 c- 21 136 0.80 1984 22 135 0.81 1948 23 tie 0.81 1966 w tie tie 0.81 2014 tie 132 0.83 1904 c+ 26 tie 0.83 2016 w+ tie 130 0.84 1990 w+ 28 tie 0.84 2015 w- tie 128 0.85 1919 w+ 30 127 0.87 2009 c- 31 126 0.88 1931 32 125 0.90 1880 33 tie 0.90 1922 c+ tie 123 0.94 2002 35 tie 0.94 2008 c+ tie 121 0.96 1991 37 120 0.98 1942 w+ 38 tie 0.98 1986 tie 118 1.00 1962 c+ 40 117 1.04 1957 c- 41 tie 1.04 2001 tie 115 1.06 1914 w- 43 tie 1.06 1915 w+ tie 113 1.08 1868 45 tie 1.08 1933 w- tie tie 1.08 2019 tie 110 1.09 1932 w- 48 tie 1.09 1945 c- tie tie 1.09 1954 tie 107 1.10 1917 c+ 51 106 1.13 1963 c 52 105 1.14 1973 w+ 53 tie 1.14 1989 c+ tie 103 1.15 1897 w+ 55 102 1.19 1939 c+ 56 101 1.20 1981 57 100 1.21 2013 58 99 1.23 1941 w+ 59 98 1.24 1952 w+ 60 97 1.26 1890 61 96 1.27 1943 c+ 62 95 1.28 1994 63 94 1.29 1934 c 64 93 1.30 1988 w- 65 92 1.32 1876 66 tie 1.32 1955 c tie 90 1.33 1959 w+ 68 tie 1.33 1960 c- tie tie 1.33 1996 w tie tie 1.33 2011 c+ tie 86 1.34 1913 w 72 85 1.35 1974 c+ 73 84 1.36 2018 C- 74 83 1.37 1946 75 tie 1.37 1958 w+ tie 81 1.38 2010 w+ 77 80 1.40 1898 c 78 tie 1.40 1999 c+ tie 78 1.42 1878 80 tie 1.42 1982 c tie 76 1.45 1907 c- 82 75 1.49 1967 c+ 83 tie 1.49 1976 c+ tie 73 1.50 1885 85 tie 1.50 1905 w+ tie 71 1.51 1938 c 87 tie 1.51 2000 c+ tie 69 1.53 1892 89 68 1.54 1888 90 tie 1.54 1900 w tie 66 1.55 1910 c+ 92 65 1.56 1901 93 tie 1.56 1980 tie tie 1.56 2003 w tie 62 1.57 1921 c+ 96 61 1.60 1937 c- 97 60 1.62 1882 98 tie 1.62 1923 c tie 58 1.65 1993 w+ 100 57 1.66 1951 c+ 101 56 1.67 1983 w+ 102 55 1.70 1865 103 54 1.75 1866 104 53 1.75 1884 tie tie 1.75 1891 tie 51 1.77 2006 c- 107 50 1.78 1869 108 49 1.84 1940 w 109 48 1.85 2004 110 47 1.89 1899 c 111 46 1.93 1916 c- 112 tie 1.93 1979 tie 44 1.96 1928 114 43 2.00 1925 c+ 115 42 2.02 1906 w+ 116 41 2.04 1971 c+ 117 40 2.10 1995 w 118 39 2.13 1936 119 38 2.15 1972 c- 120 37 2.17 1956 c+ 121 36 2.18 1930 c+ 122 35 2.27 1918 c+ 123 tie 2.27 1927 c- tie 33 2.29 2020 125 32 2.32 1911 c 126 31 2.35 1874 127 30 2.36 1879 128 29 2.37 1978 w+ 129 28 2.46 1964 w 130 27 2.48 1895 131 26 2.49 1929 c+ 132 25 2.52 1870 133 tie 2.52 1903 w tie 23 2.53 1912 w+ 135 tie 2.53 1950 c+ tie 21 2.72 2012 c- 137 20 2.73 1997 138 19 2.74 1998 w+ 139 18 2.88 1894 140 17 2.89 1887 141 tie 2.89 1965 tie 15 2.96 1886 143 tie 2.96 2017 c- tie 13 3.14 1867 145 12 3.22 1873 146 11 3.35 1953 w 147 10 3.50 1969 w+ 148 9 3.54 1871 149 8 3.62 1881 150 7 3.72 1896 151 6 3.77 1883 152 5 3.87 1970 w 153 4 4.00 1872 154 3 4.33 1909 w- 155 2 5.29 1875 156 1 3/2/2020 c = La Niņa w = El Niņo weak c- or w- moderate c or w strong c+ or w+ very strong c++ or w++ no niņo (blank) precip boise monthly rank allsites jan.txt