Seasonal Precipitation Totals for Spring (Mar,Apr,May) Boise, Idaho for the 158-season period 1864-2022 (missing data for Mar 1867) normal (1991-2020) = 4.01 inches Rank Rank Among Among Data Year Driest Wettest 0.56 1868 1 157 0.83 1992 w+ 2 156 0.89 1924 w- 3 155 1.23 1939 c 4 154 1.30 1949 5 153 1.44 1934 6 152 1.46 1968 c- 7 151 1.53 1966 w+ 8 150 1.57 1888 9 149 1.61 2007 10 148 1.79 1909 w 11 147 1.90 2002 12 146 2.05 1881 13 tie 2.05 1903 c+ tie 144 2.08 2013 15 143 2.09 1898 c+ 16 142 2.11 1969 w 17 141 2.12 1936 c+ 18 tie 2.12 2008 c tie 139 2.15 1961 20 tie 2.15 1971 c+ tie 137 2.27 1974 c+ 22 136 2.33 1967 23 135 2.39 1895 24 134 2.40 1872 25 133 2.43 1994 w+ 26 132 2.44 1972 w+ 27 131 2.46 1999 c+ 28 130 2.48 1925 c+ 29 129 2.53 1914 w 30 128 2.54 1865 31 tie 2.54 2001 tie 126 2.57 1946 w 33 tie 2.57 1954 c- tie tie 2.57 1982 w- tie 123 2.61 2015 w- 36 122 2.63 1901 c 37 121 2.68 2021 38 120 2.69 1926 w+ 39 119 2.70 1970 40 118 2.71 1963 c 41 117 2.78 1908 c- 42 tie 2.78 1976 c tie 115 2.79 1902 c+ 44 114 2.83 1929 45 113 2.85 1977 w+ 46 112 2.87 1933 c- 47 111 2.88 1973 48 110 2.93 1873 49 tie 2.93 1951 w tie 108 2.95 1959 c 51 107 2.96 2009 52 106 3.01 1883 53 105 3.02 2016 w+ 54 104 3.03 1960 c 55 103 3.07 1910 c+ 56 102 3.08 1919 w+ 57 tie 3.08 1987 w+ tie 100 3.09 1923 c 59 99 3.18 1941 w+ 60 98 3.24 2004 61 97 3.26 1885 62 tie 3.26 1928 c+ tie 95 3.28 1913 w 64 tie 3.28 1931 c+ tie 93 3.31 1878 66 tie 3.31 1916 tie 91 3.33 1891 68 90 3.36 1979 69 89 3.38 1887 70 tie 3.38 1947 w- tie 87 3.39 1985 c 72 86 3.46 1944 73 85 3.48 1918 c+ 74 84 3.53 2000 c+ 75 83 3.55 1997 w 76 82 3.57 1880 77 tie 3.57 1964 c tie 80 3.64 1927 c+ 79 79 3.67 1937 c- 80 78 3.70 1948 81 77 3.77 1920 82 tie 3.77 1991 w+ tie 75 3.79 1875 84 74 3.83 1950 c+ 85 73 3.85 1907 w- 86 72 3.86 1886 87 71 3.90 1864 88 70 3.92 1921 c+ 89 69 4.04 1965 w 90 68 4.11 1984 91 67 4.13 1978 w- 92 tie 4.13 1989 c+ tie 65 4.15 1940 w+ 94 64 4.19 1943 c+ 95 tie 4.19 1956 c+ tie 62 4.21 1882 97 tie 4.21 1952 tie 60 4.22 2003 99 59 4.26 1899 c- 100 58 4.30 1905 w+ 101 57 4.33 1975 c+ 102 56 4.44 1945 c- 103 55 4.48 1884 104 54 4.56 1958 w- 105 53 4.58 1988 106 52 4.60 1935 c- 107 51 4.66 1879 108 tie 4.66 1986 tie 49 4.70 1893 110 48 4.74 1911 111 47 4.77 1876 112 46 4.78 2018 113 45 4.82 1866 114 44 4.88 1897 w+ 115 43 4.90 1995 w+ 116 42 4.91 1955 c- 117 41 4.92 2020 118 40 4.98 1894 119 39 5.03 1900 w+ 120 tie 5.03 1953 w+ tie 37 5.09 1962 c- 122 tie 5.09 2014 tie 35 5.11 1996 124 34 5.21 2006 125 tie 5.21 2012 tie 32 5.31 1930 127 31 5.34 1874 128 30 5.43 1922 129 29 5.46 1890 130 tie 5.46 1993 w+ tie 27 5.51 1889 132 26 5.59 2011 c- 133 25 5.60 2010 w- 134 24 5.61 2017 135 23 5.64 1981 w- 136 22 5.80 1942 w- 137 21 6.09 1915 w 138 20 6.20 1892 139 19 6.21 1957 w 140 18 6.23 1998 141 17 6.32 2005 142 16 6.34 1906 w- 143 15 6.54 1912 w+ 144 14 6.60 1932 w- 145 13 6.73 1904 c+ 146 12 6.80 1938 c 147 11 6.92 1983 w+ 148 10 6.94 1917 c+ 149 9 6.98 1990 150 8 7.11 1980 w+ 151 7 7.18 1870 152 6 7.28 2019 w 153 5 7.64 1877 154 4 9.31 1869 155 3 10.03 1896 w 156 2 11.95 1871 157 1 6/3/2021 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ very strong c++ or w++ precip boise seasonal rank allsites spring.txt