Contiguous U.S., Precipitation Rankings, October 2009 1901-2000 Inches 1 4.29 2.16 2.13 128 1 1952 2009 2008 2009 highest 2 6.83 4.65 2.18 126 3 1952 2018 2008 1941 top-tenth 3 9.52 7.27 2.25 126 3 1952 2018 2008 1941 top-tenth 4 12.59 10.05 2.54 126 3 1952 1941 2008 1941 top-tenth 5 15.60 12.97 2.63 125 4 1952 1941 2008 2004 top-tenth 6 18.91 15.88 3.03 124 5 1952 1941 2008 2004 top-tenth 7 21.74 18.40 3.34 126 3 1952 1941 2008 1941 top-tenth 8 24.44 20.91 3.53 127 2 1956 2019 2008 2009 top-tenth 9 25.99 23.04 2.95 121 8 1934 2019 2008 1975 top-tenth 10 27.59 25.36 2.23 113 16 1934 2019 2008 2004 top-third 11 30.43 27.70 2.73 115 13 1931 2019 2008 1998 top-tenth 12 32.38 29.93 2.45 111 17 1934 2019 2008 2004 top-third 18 49.09 45.83 3.26 102 26 1931 2019 2008 2005 top-third 24 63.20 59.90 3.30 99 28 1931 2019 2008 2005 top-third 36 93.04 89.86 3.18 91 35 1956 2019 2008 2006 top-third 48 122.34 119.78 2.56 84 41 1956 2019 2008 2007 top-third 60 153.27 149.66 3.61 87 37 1934 2019 2006 2008 top-third