YEAR Month Fort Collins Long term Pan Evaporation (In) 1966 5 1966 6 1966 7 7.12 1966 8 6.44 1966 9 4.7 1967 5 3.97 1967 6 2.81 1967 7 4.23 1967 8 5.14 1967 9 3.54 1968 5 1968 6 6.52 1968 7 6.3 1968 8 5.76 1968 9 4.57 1969 5 1969 6 4.68 1969 7 6.6 1969 8 6.6 1969 9 5 1970 5 1970 6 5.69 1970 7 6.76 1970 8 5.78 1970 9 4.7 1971 5 1971 6 5.74 1971 7 6.35 1971 8 6.54 1971 9 4.76 1972 5 5.13 1972 6 6.25 1972 7 6.2 1972 8 5.67 1972 9 4.66 1973 5 1973 6 1973 7 6.51 1973 8 6.83 1973 9 4.47 1974 5 7.92 1974 6 7.16 1974 7 7.84 1974 8 6.74 1974 9 4.67 1975 5 1975 6 6.96 1975 7 7.72 1975 8 7.4 1975 9 1976 5 1976 6 7.56 1976 7 7.95 1976 8 6.08 1976 9 4.22 1977 5 1977 6 8.53 1977 7 9.34 1977 8 6.06 1977 9 6.24 1978 5 6.75 1978 6 7.58 1978 7 7.63 1978 8 7.03 1978 9 6.07 1979 5 5.28 1979 6 5.5 1979 7 6.45 1979 8 5.26 1979 9 5.27 1981 5 1981 6 8.35 1981 7 8.9 1981 8 6.24 1981 9 5.49 1982 5 1982 6 7.78 1982 7 9.1 1982 8 7.55 1982 9 3.98 1983 5 1983 6 6.63 1983 7 7.82 1983 8 6.8 1983 9 5.41 1984 5 6.84 1984 6 6.08 1984 7 7.97 1984 8 6.41 1984 9 4.67 1985 5 6.64 1985 6 7.49 1985 7 6.37 1985 8 6.83 1985 9 4.7 1986 5 5.57 1986 6 7.45 1986 7 7.64 1986 8 6.39 1986 9 4.03 1987 5 5.34 1987 6 7.63 1987 7 9.72 1987 8 6.5 1987 9 4.53 1988 5 1988 6 8.24 1988 7 7.32 1988 8 6.33 1988 9 5.61 1989 5 6.98 1989 6 6.18 1989 7 8.44 1989 8 6.22 1989 9 4.73 1990 5 5.87 1990 6 8.19 1990 7 6.14 1990 8 6.32 1990 9 4.8 1991 5 6.56 1991 6 6.2 1991 7 7.34 1991 8 6.05 1991 9 4.77 1992 5 5.67 1992 6 6.01 1992 7 6.53 1992 8 5.47 1992 9 5.46 1993 5 5.53 1993 6 6.83 1993 7 7.32 1993 8 5.86 1993 9 4.35 1994 5 6.64 1994 6 8.17 1994 7 7.54 1994 8 5.84 1994 9 5.24 1995 5 3.86 1995 6 6.2 1995 7 7.98 1995 8 7.28 1995 9 4.11 1996 5 5.52 1996 6 6.77 1996 7 7.62 1996 8 6.58 1996 9 4.27 1997 5 5.72 1997 6 6.14 1997 7 7.41 1997 8 5.23 1997 9 3.99 1998 5 6.42 1998 6 7.15 1998 7 7.11 1998 8 6.57 1998 9 5.19 1999 5 6.1 1999 6 6.76 1999 7 7.59 1999 8 6.16 1999 9 4.37 2000 5 7.16 2000 6 7.26 2000 7 8.36 2000 8 6.75 2000 9 5.19 2001 5 5.67 2001 6 7.56 2001 7 8.25 2001 8 6.87 2001 9 5.25 2002 5 5.91 2002 6 8.57 2002 7 9.98 2002 8 7.47 2002 9 5.03 2003 5 5.83 2003 6 6.05 2003 7 8.9 2003 8 7.65 2003 9 5.41 2004 5 7.11 2004 6 5.82 2004 7 6.59 2004 8 5.93 2004 9 4.6 2005 5 5.74 2005 6 6.92 2005 7 7.93 2005 8 6.09 2005 9 5.11 2006 5 7.12 2006 6 8.43 2006 7 7.26 2006 8 6.61 2006 9 2007 5 5.64 2007 6 7.55 2007 7 8.49 2007 8 6.18 2007 9 4.93 2008 5 2008 6 7.47 2008 7 8.44 2008 8 6.51 2008 9 4.41 2009 5 5.72 2009 6 5.56 2009 7 6.48 2009 8 5.69 2009 9 4.67