Colorado, Precipitation Rankings, April 2001 1901-2000 Inches 1 1.65 1.84 -0.19 66 63 2002 1900 2000 1999 normal 2 3.07 3.35 -0.28 56 73 2002 1906 1997 2000 normal 3 4.21 4.44 -0.23 61 68 2002 1905 1997 2000 normal 1917,1978 4 5.23 5.51 -0.28 59 70 2002 1905 1992 2000 normal 1962 5 6.05 6.58 -0.53 51 77 2002 1905 1994 2000 normal 2015 6 6.88 7.65 -0.77 43 85 1904 1984 1991 2000 normal 7 8.64 8.98 -0.34 58 70 2002 1942 2000 1999 normal 1971 8 9.99 10.41 -0.42 55 73 1902,2002 1942 2000 1999 normal 2004 9 12.00 12.42 -0.42 57 71 2002 1942 1996 2000 normal 10 13.63 14.52 -0.89 49 79 1902 1942 1996 2000 normal 11 14.63 16.07 -1.44 39 89 1981 1942 1989 2000 bottom-third 12 15.83 18.08 -2.25 26 102 2013 1942 1981 2000 bottom-third 18 23.24 25.76 -2.52 29 98 2013 1942 1978 2000 bottom-third 24 35.34 36.16 -0.82 52 75 1902 1942 1991 2000 normal 36 55.44 54.22 1.22 75 51 1955 1985 1992 2000 normal 48 77.42 72.24 5.18 107 18 1904 1986 1997 2000 top-third 60 97.62 90.24 7.38 114 10 1957 1987 1996 2000 top-tenth