Seasonal Precipitation Totals for Fall (Sep,Oct,Nov) Boise, Idaho (airport) for the 72-season period 1940-2011 normal (1981-2010) = 2.68 inches Rank Rank Among Among Data Year Driest Wettest 0.40 1952 1 72 0.85 1993 w 2 71 1.00 1987 w 3 70 1.06 2003 4 69 1.11 1999 c 5 68 1.25 1958 6 67 1.29 1957 w 7 66 1.44 1953 w 8 65 1.46 1954 c- 9 64 1.52 2001 10 63 1.56 1990 w- 11 62 1.57 2002 w 12 61 1.89 1967 13 60 1.90 1997 w+ 14 59 1.91 1969 w- 15 58 1.92 1943 c- 16 57 1.95 1978 17 56 1.99 1941 w+ 18 55 2.00 2006 w- 19 54 2.01 1948 20 53 2.08 1966 21 52 2.11 2009 W 22 51 2.12 1974 c+ 23 50 2.21 2011 c 24 49 2.29 1955 c+ 25 48 2.30 1968 26 47 2.34 1965 w+ 27 46 2,47 2005 28 45 2.48 2004 w- 29 44 2.57 1992 w 30 43 2.60 1960 c- 31 42 2.66 1994 w+ 32 41 2.68 1956 c+ 33 40 2.74 2007 c- 34 39 2.76 2010 c+ 35 38 2.77 1976 36 37 2.78 1975 c+ 37 36 2.79 1949 38 35 2.84 1979 39 tie 2.84 1995 tie 33 2.85 1996 41 32 2.86 1972 w+ 42 31 2.87 1950 c+ 43 30 2.88 1991 w+ 44 29 2.90 1942 c 45 28 3.03 1989 c- 46 27 3.04 1998 47 26 3.08 1983 c- 48 tie 3.08 2008 tie 24 3.12 1944 w- 50 23 3.15 1980 w- 51 22 3.24 1964 c+ 52 21 3.27 1977 w+ 53 20 3.29 1962 c+ 54 19 3.41 1951 w+ 55 18 3.49 1971 c+ 56 17 3.50 1961 c- 57 16 3.57 1981 58 15 3.60 1988 c+ 59 14 3.66 1959 c 60 13 3.84 1970 c+ 61 12 3.87 2000 c- 62 11 3.90 1984 63 10 4.02 1946 w 64 9 4.11 1947 c 65 8 4.15 1963 w+ 66 7 4.22 1982 w+ 67 6 4.26 1986 w- 68 5 4.37 1945 c- 69 4 4.41 1973 c+ 70 3 4.50 1985 71 2 5.01 1940 w+ 72 1 12/10/2011 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ precip boise seasonal rank airport fall.txt