Ohio Valley Climate Region, Precipitation Rankings, December 2005 1901-2000 Inches 1 1.82 3.11 -1.29 13 116 1958 1990 1989 2004 bottom-tenth 1939 2 5.27 6.23 -0.96 44 85 1976 2015 1999 2004 normal 1997 3 6.94 9.13 -2.19 20 109 1963 1990 1989 2004 bottom-third 4 10.01 12.60 -2.59 21 108 1963 1926 1999 2004 bottom-third 5 15.12 16.27 -1.15 46 83 1953 1926 2000 2004 normal 6 19.15 20.27 -1.12 39 90 1953 1926 2000 2004 bottom-third 7 22.06 24.52 -2.46 27 102 1953 2015 1999 2004 bottom-third 8 24.28 28.79 -4.51 18 111 1953 2015 1999 2004 bottom-third 9 28.21 32.70 -4.49 21 108 1930 2015 1999 2004 bottom-third 10 30.72 36.51 -5.79 9 120 1930 2011 1999 2004 bottom-tenth 11 33.17 39.19 -6.02 9 120 1930 2011 1999 2004 bottom-tenth 12 38.50 42.23 -3.73 23 106 1930 2019 1999 2004 bottom-third 18 63.41 62.51 0.90 61 67 1953 2019 2001 2004 normal 24 86.61 84.45 2.16 75 53 1953 2019 2001 2004 normal 36 134.34 126.69 7.65 94 33 1954 2020 2002 2004 top-third 48 179.30 168.95 10.35 96 30 1955 2021 2003 2004 top-third 60 222.74 211.20 11.54 92 33 1956 2021 2003 2004 top-third