YEAR Month John Martin Dam Long Term Pan Evaporation (In) 1966 5 1966 6 1966 7 13.95 1966 8 10.43 1966 9 7.05 1967 5 9.35 1967 6 9.96 1967 7 11.58 1967 8 10.2 1967 9 7.43 1968 5 9.4 1968 6 14.18 1968 7 13.03 1968 8 10.45 1968 9 9.71 1969 5 9.07 1969 6 10.54 1969 7 11.72 1969 8 11.18 1969 9 6.8 1970 5 11.43 1970 6 12.37 1970 7 12.02 1970 8 12.06 1970 9 8.46 1971 5 9.87 1971 6 12.23 1971 7 11.77 1971 8 10.25 1971 9 8.36 1972 5 9.72 1972 6 12.16 1972 7 12.33 1972 8 10.9 1972 9 7.83 1973 5 8.02 1973 6 1973 7 1973 8 11.7 1973 9 6.49 1974 5 11.15 1974 6 11.83 1974 7 16.38 1974 8 11.05 1974 9 8.03 1975 5 12 1975 6 11.74 1975 7 1975 8 12.46 1975 9 8.89 1976 5 9.58 1976 6 12.79 1976 7 13.08 1976 8 12.16 1976 9 7.7 1977 5 10.35 1977 6 10.41 1977 7 12.85 1977 8 9 1977 9 9.32 1978 5 9.51 1978 6 11.34 1978 7 12.92 1978 8 9.73 1978 9 9.68 2002 5 2002 6 2002 7 16.24 2002 8 14.2 2002 9 8.85 2003 5 9.71 2003 6 11.88 2003 7 17.45 2003 8 14.89 2003 9 9.83 2004 5 13.19 2004 6 11.46 2004 7 12.03 2004 8 10.65 2004 9 9.75 2005 5 9.66 2005 6 11.65 2005 7 15.37 2005 8 11.13 2005 9 10.75 2006 5 7.88 2006 6 13.93 2006 7 2006 8 9.89 2006 9 2007 5 8.8 2007 6 11.21 2007 7 13.08 2007 8 11.75 2007 9 9.41 2008 5 13.01 2008 6 12.78 2008 7 14.85 2008 8 10.33 2008 9 7.61 2009 5 10 2009 6 9.76 2009 7 12.58 2009 8 11.61 2009 9 7.03