Monthly Precipitation Totals for June Boise, Idaho (airport) for the 82-year period 1940 through 2021 normal (1981-10) = .69 inch Rank Rank Data Year Among Among Driest Wettest 0.01 1960 c 1 tie 0.01 1966 tie 81 0.04 2019 3 80 0.08 1940 w+ 4 tie 0.08 1989 c tie 78 0.11 1990 6 77 0.12 1962 c- 7 76 0.13 1946 w+ 8 75 0.14 2000 C+ 9 74 0.17 1983 w- 10 tie 0.17 2015 w tie 72 0.18 1979 c 12 tie 0.18 2003 tie tie 0.18 2016 tie 69 0.19 1973 c+ 15 tie 0.19 2002 w- tie tie 0.19 2012 tie 66 0.21 1996 18 65 0.24 1994 w+ 19 64 0.25 1957 w- 20 tie 0.25 2018 tie 62 0.26 2004 22 61 0.27 1959 w- 23 tie 0.27 2014 tie 59 0.32 2001 25 58 0.35 1982 w+ 26 tie 0.35 1986 tie 56 0.37 1949 w 28 tie 0.37 1985 tie 54 0.41 2013 30 53 0.46 2011 31 52 0.47 1988 c+ 32 51 0.47 1999 c+ 33 50 0.53 2008 34 49 0.55 1961 35 48 0.56 1978 c 36 47 0.58 1980 37 tie 0.58 1987 w+ tie 45 0.60 1968 c 39 tie 0.60 1974 c+ tie 43 0.62 1942 c- 41 42 0.63 1955 c+ 42 41 0.64 1991 w 43 40 0.70 1951 w+ 44 39 0.71 2021 45 38 0.77 1981 c+ 46 37 0.78 1945 c+ 47 tie 0.78 1975 c+ tie 35 0.80 1947 c 49 tie 0.80 1956 c+ tie 33 0.81 2010 51 32 0.82 2006 52 31 0.88 1995 53 30 0.90 1972 w+ 54 29 0.91 2005 55 28 0.92 1950 c+ 56 27 0.95 2007 57 26 1.07 1967 c- 58 25 1.09 1943 59 24 1.10 1952 c- 60 tie 1.10 1954 c- tie 22 1.20 1965 w+ 62 21 1.21 1998 w 63 20 1.22 1953 w+ 64 19 1.26 1977 w+ 65 18 1.35 1997 w 66 17 1.40 2017 67 16 1.47 1984 68 15 1.54 2009 w- 69 14 1.57 1948 w- 70 13 1.58 1971 c 71 12 1.66 1976 w+ 72 11 1.72 1970 c- 73 10 1.90 1963 w 74 9 2.00 1964 c+ 75 tie 2.00 1969 w tie 7 2.04 1944 w- 77 6 2.07 1992 w 78 5 2.10 1993 w+ 79 4 2.94 1958 c- 80 3 3.27 2020 81 2 3.41 1941 w+ 82 1 7/2/2021 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ precip boise monthly rank airport jun.txt