YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC D-J-F M-A-M J-J-A S-O-N metANN 1939 999.9 999.9 999.9 18.7 999.9 999.9 10.2 11.3 15.4 17.6 19.6 24.5 999.9 999.9 10.9 17.5 999.90 1940 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.90 1941 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.90 1942 999.9 999.9 21.2 16.7 14.5 10.5 9.3 11.8 14.3 16.5 21.0 24.0 999.9 17.5 10.5 17.3 17.29 1943 24.9 23.1 22.9 16.9 13.8 11.8 8.4 10.7 14.7 17.8 20.7 23.6 24.0 17.9 10.3 17.7 17.47 1944 26.5 24.8 22.8 17.6 12.5 12.0 11.1 12.4 15.8 20.0 23.4 22.9 25.0 17.6 11.8 19.7 18.54 1945 25.0 23.9 23.1 22.0 15.6 13.3 10.4 12.7 14.8 18.3 21.4 24.7 23.9 20.2 12.1 18.2 18.62 1946 25.3 22.1 21.0 19.5 14.7 11.3 11.8 12.1 16.4 19.5 19.9 25.1 24.0 18.4 11.7 18.6 18.19 1947 26.3 25.6 21.9 17.9 15.1 13.4 10.5 11.6 14.6 16.7 20.2 24.3 25.7 18.3 11.8 17.2 18.24 1948 26.5 24.3 22.6 16.3 13.4 11.3 10.8 13.7 16.0 18.8 20.1 23.7 25.0 17.4 11.9 18.3 18.17 1949 25.1 23.1 21.4 19.2 13.5 12.0 13.2 14.1 14.8 17.0 20.4 25.3 24.0 18.0 13.1 17.4 18.12 1950 26.0 24.4 23.5 20.9 16.4 11.1 10.3 12.4 15.9 17.6 21.4 25.1 25.2 20.3 11.3 18.3 18.77 1951 25.9 25.1 24.2 17.9 13.2 12.2 9.8 9.8 15.8 18.6 23.2 23.9 25.4 18.4 10.6 19.2 18.40 1952 25.3 22.7 21.8 17.5 13.4 12.7 9.5 12.1 14.0 16.7 20.7 21.8 24.0 17.6 11.4 17.1 17.52 1953 25.3 25.0 24.9 19.8 14.9 11.2 10.1 10.4 14.3 17.4 20.2 23.9 24.0 19.9 10.6 17.3 17.94 1954 26.2 24.0 24.9 16.7 13.4 10.5 11.2 11.7 15.0 18.3 21.3 25.2 24.7 18.3 11.1 18.2 18.09 1955 25.0 26.1 22.5 17.2 12.5 10.0 10.0 12.1 14.4 15.7 20.2 22.5 25.4 17.4 10.7 16.8 17.57 1956 26.8 27.7 23.4 17.1 13.6 9.8 10.2 9.8 14.6 16.6 21.2 24.0 25.7 18.0 9.9 17.5 17.77 1957 26.4 23.8 22.6 18.6 15.2 13.9 8.9 12.4 15.0 19.7 24.0 25.4 24.7 18.8 11.7 19.6 18.71 1958 26.5 25.8 22.1 20.6 15.4 11.9 10.2 11.3 13.3 16.7 20.8 24.2 25.9 19.4 11.1 16.9 18.33 1959 27.1 24.0 23.7 20.1 17.1 13.0 11.9 13.1 15.2 18.8 21.8 21.6 25.1 20.3 12.7 18.6 19.17 1960 24.6 22.3 21.4 15.7 12.7 10.6 10.3 11.3 13.0 18.8 20.7 24.2 22.8 16.6 10.7 17.5 16.92 1961 27.1 25.4 24.6 17.5 14.9 12.1 9.9 12.2 16.9 19.5 21.7 24.9 25.6 19.0 11.4 19.4 18.83 1962 25.8 24.8 22.2 20.1 15.2 13.8 10.7 12.9 14.7 17.6 22.9 25.0 25.2 19.2 12.5 18.4 18.80 1963 24.2 24.4 21.9 18.0 14.8 11.2 10.7 11.2 15.1 20.0 21.3 24.1 24.5 18.2 11.0 18.8 18.15 1964 25.7 24.0 23.1 17.3 14.3 14.1 11.9 11.8 14.0 15.9 21.8 22.8 24.6 18.2 12.6 17.2 18.17 1965 26.5 27.4 23.5 20.3 14.4 12.6 10.8 11.0 14.9 19.7 21.0 25.0 25.6 19.4 11.5 18.5 18.74 1966 25.4 24.3 23.6 18.3 13.9 999.9 10.5 11.1 13.6 16.9 22.5 22.6 24.9 18.6 10.9 17.7 18.03 1967 24.1 22.9 20.5 20.5 14.8 12.5 10.4 10.7 16.1 20.3 21.7 24.2 23.2 18.6 11.2 19.4 18.09 1968 26.5 25.5 21.1 17.9 12.5 12.3 10.2 9.5 13.0 18.4 21.2 23.0 25.4 17.2 10.7 17.5 17.69 1969 27.2 25.4 22.0 19.6 14.2 11.7 10.8 12.8 13.9 20.1 23.1 23.5 25.2 18.6 11.8 19.0 18.65 1970 26.0 26.6 24.0 17.2 13.7 12.4 11.2 11.5 14.1 18.3 21.4 25.4 25.4 18.3 11.7 17.9 18.32 1971 27.0 25.7 23.0 18.7 13.8 11.8 11.0 11.5 14.3 18.0 19.3 23.2 26.0 18.5 11.4 17.2 18.29 1972 25.6 25.0 23.2 19.4 16.5 12.9 10.7 12.0 16.1 18.6 22.1 28.5 24.6 19.7 11.9 18.9 18.77 1973 25.5 26.1 23.2 19.3 15.7 10.5 11.3 11.4 13.6 18.0 20.2 24.3 26.7 19.4 11.1 17.3 18.61 1974 25.8 23.1 22.6 16.0 14.4 11.7 11.3 12.1 14.6 18.1 21.1 24.6 24.4 17.7 11.7 17.9 17.92 1975 24.5 25.5 20.5 18.3 13.6 11.1 11.3 10.9 14.3 15.7 21.9 24.3 24.9 17.5 11.1 17.3 17.68 1976 24.4 25.0 23.5 18.7 15.5 10.9 11.6 12.7 15.5 17.8 19.6 26.8 24.6 19.2 11.7 17.6 18.29 1977 27.2 26.5 22.1 19.0 13.2 12.5 12.2 13.9 14.8 19.6 22.0 27.2 26.8 18.1 12.9 18.8 19.15 1978 26.3 25.8 23.9 21.7 14.9 11.4 11.4 12.8 14.2 18.7 22.1 24.3 26.4 20.2 11.9 18.3 19.20 1979 26.7 25.4 24.6 19.4 13.1 11.8 11.6 11.4 13.9 19.3 23.4 25.8 25.5 19.0 11.6 18.9 18.74 1980 27.3 24.9 25.7 19.4 15.5 11.2 10.4 11.9 16.5 16.2 24.4 25.7 26.0 20.2 11.2 19.0 19.10 1981 25.0 22.7 22.7 22.4 14.7 9.7 10.1 11.6 17.7 20.0 19.5 22.7 24.5 19.9 10.5 19.1 18.48 1982 25.7 25.6 20.8 19.3 14.8 10.5 9.6 15.5 15.4 18.2 23.8 26.0 24.7 18.3 11.9 19.1 18.49 1983 26.9 26.9 22.3 18.4 16.1 13.4 10.2 14.0 17.0 19.4 20.8 24.1 26.6 18.9 12.5 19.1 19.28 1984 25.6 24.9 20.7 19.1 14.6 11.9 10.3 11.7 13.5 19.3 21.4 24.4 24.9 18.1 11.3 18.1 18.09 1985 26.7 27.2 24.4 18.9 13.7 13.0 11.7 11.7 15.6 17.9 22.1 23.0 26.1 19.0 12.1 18.5 18.94 1986 27.0 25.1 24.5 18.2 14.1 11.5 8.9 9.9 14.8 16.2 21.7 23.4 25.0 18.9 10.1 17.6 17.91 1987 25.5 23.7 22.3 20.3 12.9 12.4 11.2 11.8 16.1 19.2 20.0 25.2 24.2 18.5 11.8 18.4 18.23 1988 25.8 24.2 23.4 19.7 15.1 13.1 11.1 12.6 16.5 20.7 20.3 21.8 25.1 19.4 12.3 19.2 18.97 1989 24.5 26.1 22.3 18.9 14.6 10.8 9.8 11.2 15.8 17.8 22.4 25.2 24.1 18.6 10.6 18.7 18.00 1990 24.6 23.5 24.3 18.8 16.4 10.3 9.7 11.1 15.9 18.2 22.7 24.6 24.4 19.8 10.4 18.9 18.39 1991 27.1 27.1 23.3 20.4 15.9 13.1 11.6 12.2 16.0 20.9 21.0 24.7 26.3 19.9 12.3 19.3 19.43 1992 25.7 25.0 23.7 18.0 13.9 11.8 11.7 10.6 12.0 17.4 19.5 22.7 25.1 18.5 11.4 16.3 17.83 1993 27.9 23.7 21.7 20.1 13.5 10.7 10.7 11.8 14.7 17.1 22.5 22.9 24.8 18.4 11.1 18.1 18.09 1994 26.1 23.2 24.5 20.3 16.7 999.9 12.7 13.6 16.2 19.1 22.6 25.3 24.1 20.5 13.3 19.3 19.29 1995 26.1 24.0 20.8 16.6 12.9 11.1 11.0 13.0 16.0 19.3 21.5 22.7 25.1 16.8 11.7 18.9 18.13 1996 25.3 27.3 999.9 18.6 15.5 12.0 11.3 11.4 15.0 19.2 22.5 23.1 25.1 19.1 11.6 18.9 18.66 1997 25.7 27.4 21.6 19.8 13.7 11.7 10.2 11.2 15.1 18.7 21.2 25.5 25.4 18.4 11.0 18.3 18.28 1998 27.5 26.9 24.4 18.2 17.5 11.4 9.6 13.4 14.2 17.5 22.5 23.8 26.6 20.0 11.5 18.1 19.05 1999 27.0 25.6 21.8 999.9 15.5 999.9 11.9 999.9 999.9 999.9 999.9 22.9 25.5 18.7 999.9 999.9 999.90 2000 23.6 23.6 19.6 17.2 12.9 12.0 11.6 999.9 16.8 18.4 22.1 25.6 23.4 16.6 12.0 19.1 17.76 2001 28.4 21.6 20.9 20.2 15.8 12.5 12.0 999.9 999.9 16.2 20.3 21.6 25.2 19.0 12.5 16.6 18.31 2002 24.9 22.9 23.9 20.0 17.8 13.3 13.3 13.3 15.9 20.1 23.1 25.0 23.1 20.6 13.3 19.7 19.17 2003 25.5 26.0 24.3 20.7 15.9 11.8 11.6 12.1 15.1 18.1 21.9 25.4 25.5 20.3 11.8 18.4 19.00 2004 26.0 26.4 21.1 19.3 13.9 13.6 10.9 11.4 15.6 20.7 21.7 25.5 25.9 18.1 12.0 19.3 18.83 2005 25.9 27.0 25.0 20.9 17.3 12.4 11.5 12.4 15.1 17.9 21.5 24.7 26.1 21.1 12.1 18.2 19.37 2006 24.6 24.1 22.6 16.7 14.7 10.8 999.9 16.1 16.7 20.3 25.1 24.3 24.5 18.0 13.1 20.7 19.06 2007 25.5 27.9 22.1 20.3 14.0 12.1 13.4 13.8 16.4 19.2 24.1 22.6 25.9 18.8 13.1 19.9 19.42 2008 27.4 23.4 24.2 18.9 17.7 13.0 11.5 11.4 16.1 19.8 19.0 24.4 24.5 20.3 12.0 18.3 18.75 2009 27.8 25.5 22.8 19.0 14.4 12.1 10.8 13.9 999.9 20.9 23.6 25.9 25.9 18.7 12.3 20.6 19.38 2010 28.2 27.6 24.0 21.1 15.3 11.8 10.7 11.8 999.9 999.9 999.9 999.9 27.2 20.1 11.4 999.9 19.57