Colorado, Precipitation Rankings, January 1986 1901-2000 Inches 1 0.34 1.06 -0.72 6 124 1919,1931 1916 1961 1985 bottom-tenth 2 1.23 2.13 -0.90 10 119 1931 1914 1981 1985 bottom-tenth 3 3.52 3.20 0.32 94 35 1904 1979 1985 1984 top-third 4 5.25 4.54 0.71 94 35 1977 1909 1983 1985 top-third 1949 5 7.63 5.96 1.67 113 16 1904 1942 1985 1973 top-third 6 8.48 7.98 0.50 79 50 1901 1942 1981 1985 normal 7 11.62 10.08 1.54 102 27 1901 2007 1984 1985 top-third 8 12.51 11.62 0.89 86 43 1901,1981 1942 1981 1985 top-third 9 14.66 13.64 1.02 83 46 1901 1942 1981 1985 normal 10 17.12 15.52 1.60 103 26 1940 1942 1983 1985 top-third 11 19.04 17.02 2.02 106 23 2021 1942 1983 1985 top-third 12 19.85 18.10 1.75 104 25 2003 1942 1983 1985 top-third 18 29.83 26.08 3.75 113 15 2003 1942 1983 1985 top-third 24 40.78 36.16 4.62 119 9 2003 1943 1983 1985 top-tenth 36 62.75 54.20 8.55 124 3 1977 1943 1985 1943 top-tenth 48 81.84 72.24 9.60 123 3 1957 1987 1985 1986 top-tenth 60 101.59 90.25 11.34 121 4 1957 2000 1985 1986 top-tenth