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 1944 31.0 29.3 27.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 30.9 999.9 30.6 999.9 999.9 999.9 999.90 1945 28.5 28.8 28.4 25.7 21.6 19.8 16.7 23.1 25.2 999.9 30.2 31.3 29.1 25.2 19.9 28.1 25.56 1946 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 31.5 999.9 999.9 999.9 999.9 999.90 1947 32.3 30.2 29.1 24.9 21.2 20.2 20.4 22.1 23.5 28.7 32.3 31.4 31.3 25.1 20.9 28.2 26.37 1948 31.2 30.4 27.4 26.9 999.9 999.9 19.0 999.9 999.9 999.9 999.9 999.9 31.0 25.6 999.9 999.9 999.90 1949 999.9 26.6 999.9 22.9 21.0 16.3 16.8 999.9 23.8 999.9 31.2 29.6 999.9 23.2 17.3 27.9 24.02 1950 30.2 29.9 29.0 25.5 24.4 19.4 17.4 21.2 25.5 27.0 29.7 28.6 29.9 26.3 19.3 27.4 25.73 1951 29.2 28.0 29.4 26.6 21.1 20.4 18.4 21.3 25.9 29.8 31.0 33.0 28.6 25.7 20.0 28.9 25.81 1952 31.1 31.2 31.2 28.4 24.5 19.5 20.9 20.4 26.5 29.9 31.1 32.3 31.8 28.0 20.3 29.2 27.31 1953 29.9 28.0 30.1 28.6 22.0 21.7 20.2 20.8 25.4 31.2 31.5 31.4 30.1 26.9 20.9 29.4 26.81 1954 31.9 31.3 31.9 27.9 23.7 19.5 19.9 21.8 25.2 29.5 31.6 31.1 31.5 27.8 20.4 28.8 27.13 1955 30.8 30.7 29.6 26.7 23.3 22.9 19.6 24.8 28.0 31.2 29.4 33.6 30.9 26.5 22.4 29.5 27.34 1956 31.5 27.5 28.4 27.5 22.9 22.2 20.5 21.1 24.9 29.6 31.4 32.6 30.9 26.3 21.3 28.6 26.76 1957 31.6 30.0 29.9 30.1 24.1 22.5 18.5 21.2 25.2 31.1 32.5 30.3 31.4 28.0 20.7 29.6 27.44 1958 31.1 32.5 31.7 28.6 26.4 21.6 22.4 23.6 24.8 30.4 31.5 31.7 31.3 28.9 22.5 28.9 27.91 1959 30.1 31.6 31.3 26.5 21.2 19.7 19.9 21.2 26.7 31.4 32.3 32.3 31.1 26.3 20.3 30.1 26.97 1960 29.9 29.4 28.7 27.4 20.8 19.3 19.7 21.2 26.2 30.2 29.9 31.6 30.5 25.6 20.1 28.8 26.25 1961 31.6 30.3 30.0 29.1 22.9 19.5 18.6 20.2 26.9 30.4 30.8 33.1 31.2 27.3 19.4 29.4 26.83 1962 29.2 28.7 28.3 26.1 22.3 21.6 20.5 21.1 25.6 30.0 31.9 32.4 30.3 25.6 21.1 29.2 26.53 1963 28.7 28.5 29.8 26.7 23.5 20.0 18.5 20.5 25.4 28.6 31.3 30.9 29.9 26.7 19.7 28.4 26.16 1964 29.6 31.2 30.9 28.6 24.3 20.1 19.7 22.4 27.5 29.0 31.3 31.3 30.6 27.9 20.7 29.3 27.12 1965 31.5 32.3 28.6 25.5 24.2 20.8 17.8 23.0 27.0 29.7 31.9 31.7 31.7 26.1 20.5 29.5 26.97 1966 29.7 29.5 29.2 28.1 21.8 21.6 20.0 20.3 26.5 27.3 29.9 30.2 30.3 26.4 20.6 27.9 26.30 1967 30.1 27.4 26.6 25.6 22.8 16.8 17.6 21.5 24.8 30.4 31.7 31.9 29.2 25.0 18.6 29.0 25.46 1968 30.7 28.3 28.3 26.9 21.9 21.0 17.7 21.6 26.1 28.9 31.1 30.5 30.3 25.7 20.1 28.7 26.20 1969 30.6 27.2 27.3 25.3 23.9 18.6 20.2 21.7 24.9 28.9 31.5 31.3 29.4 25.5 20.2 28.4 25.88 1970 32.8 31.6 29.9 27.2 24.1 22.6 19.0 21.9 26.7 30.6 31.0 31.0 31.9 27.1 21.2 29.4 27.39 1971 31.5 30.5 28.5 26.1 24.1 18.8 19.6 24.7 28.4 31.9 30.5 30.2 31.0 26.2 21.0 30.3 27.13 1972 31.3 30.4 27.6 26.6 22.4 21.3 19.8 24.7 26.8 30.6 32.4 33.0 30.6 25.5 21.9 29.9 27.01 1973 30.2 30.4 29.6 29.0 25.6 23.0 23.1 25.1 26.2 29.9 32.0 29.8 31.2 28.1 23.7 29.4 28.09 1974 27.1 28.3 27.5 25.0 22.2 18.0 20.1 22.7 25.0 28.6 29.5 30.9 28.4 24.9 20.3 27.7 25.32 1975 30.8 29.1 28.3 25.6 22.4 19.7 22.3 22.2 26.6 27.1 30.1 29.7 30.3 25.4 21.4 27.9 26.26 1976 28.9 28.1 27.3 25.9 20.8 18.9 19.3 20.9 25.3 29.3 31.9 31.4 28.9 24.7 19.7 28.8 25.53 1977 30.4 30.5 28.3 26.3 23.2 19.0 18.4 22.5 25.3 30.8 32.0 31.0 30.8 25.9 20.0 29.4 26.51 1978 29.9 29.3 30.1 26.9 24.2 19.9 18.4 21.3 23.6 28.8 30.9 31.6 30.1 27.1 19.9 27.8 26.19 1979 30.9 30.1 29.8 28.7 22.3 20.7 20.0 24.2 27.3 30.9 32.5 32.3 30.9 26.9 21.6 30.2 27.42 1980 31.2 28.7 30.1 27.7 25.0 22.2 20.8 23.1 27.3 30.7 31.7 31.5 30.7 27.6 22.0 29.9 27.57 1981 30.0 28.1 28.8 28.4 23.6 21.8 20.7 24.5 27.0 28.6 28.3 30.4 29.9 26.9 22.3 28.0 26.78 1982 29.2 27.7 26.5 25.2 21.8 19.2 19.0 21.5 26.1 27.8 30.4 31.1 29.1 24.5 19.9 28.1 25.40 1983 30.9 31.2 27.9 24.4 21.7 19.3 18.2 22.9 27.9 29.7 31.8 30.5 31.1 24.7 20.1 29.8 26.42 1984 27.5 29.9 27.5 26.7 24.6 19.5 18.2 22.9 25.8 29.5 32.3 31.9 29.3 26.3 20.2 29.2 26.24 1985 32.8 30.5 30.0 26.2 24.3 18.3 19.7 24.9 26.3 30.1 32.3 33.4 31.7 26.8 21.0 29.6 27.28 1986 29.7 31.5 30.6 27.6 25.1 21.5 19.5 21.1 26.9 30.2 32.2 34.2 31.5 27.8 20.7 29.8 27.44 1987 30.0 28.1 28.4 27.7 24.6 20.9 20.1 21.6 25.9 30.9 32.9 31.2 30.8 26.9 20.9 29.9 27.11 1988 31.5 30.4 30.9 27.5 26.4 22.2 21.3 22.8 27.7 32.3 31.1 29.9 31.0 28.3 22.1 30.4 27.94 1989 31.8 32.3 27.9 27.9 24.5 21.0 20.6 21.4 27.7 32.2 31.7 32.4 31.3 26.8 21.0 30.5 27.41 1990 30.7 29.9 31.2 27.2 22.2 20.0 22.0 23.3 25.3 31.3 34.0 31.9 31.0 26.9 21.8 30.2 27.46 1991 29.9 28.2 29.7 27.4 22.9 22.6 20.5 22.1 27.1 30.9 31.7 32.9 30.0 26.7 21.7 29.9 27.08 1992 31.9 31.7 31.3 29.7 25.5 21.7 20.6 24.2 28.5 29.8 32.1 33.5 32.2 28.8 22.2 30.1 28.33 1993 31.1 27.0 30.2 27.7 24.3 20.3 19.5 22.7 26.8 29.8 32.1 31.2 30.5 27.4 20.8 29.6 27.08 1994 30.8 29.4 27.3 26.1 22.6 999.9 19.5 20.7 26.7 30.4 32.3 30.9 30.5 25.3 19.9 29.8 26.36 1995 30.1 28.3 28.0 28.0 23.0 20.5 20.8 22.6 999.9 30.1 32.5 31.2 29.8 26.3 21.3 29.9 26.82 1996 33.0 30.5 27.7 26.2 23.0 24.1 22.0 23.9 26.6 30.0 30.9 29.8 31.6 25.6 23.3 29.2 27.43 1997 27.0 27.5 28.2 26.2 23.1 19.1 18.6 23.0 28.5 29.5 29.9 29.2 28.1 25.8 20.2 29.3 25.87 1998 30.2 30.5 31.1 28.1 24.3 22.2 21.5 24.5 27.6 31.7 30.3 28.7 30.0 27.8 22.7 29.9 27.60 1999 29.4 27.3 29.0 25.8 23.0 20.8 19.7 22.7 27.4 28.3 29.3 28.8 28.5 25.9 21.1 28.3 25.95 2000 27.2 27.4 26.4 25.6 19.9 17.2 20.1 22.1 26.5 27.6 30.8 28.7 27.8 24.0 19.8 28.3 24.97 2001 29.7 27.6 26.2 25.8 21.5 20.1 19.7 999.9 26.5 29.6 30.2 30.0 28.7 24.5 20.7 28.8 25.65 2002 30.3 27.6 29.1 28.4 24.2 18.9 18.8 21.5 27.4 31.3 31.5 30.4 29.3 27.2 19.7 30.1 26.58 2003 30.9 29.0 28.3 27.6 23.6 20.4 20.1 22.5 27.4 29.7 30.7 29.6 30.1 26.5 21.0 29.3 26.72 2004 28.9 26.6 27.9 26.5 22.9 20.1 20.3 22.3 25.0 31.3 30.9 32.3 28.4 25.8 20.9 29.1 26.03 2005 31.1 30.5 29.5 30.0 24.4 21.2 21.6 22.8 28.9 32.1 31.7 29.1 31.3 28.0 21.9 30.9 28.01 2006 27.7 28.7 27.5 26.6 21.3 17.9 18.2 22.1 26.4 30.0 32.5 30.0 28.5 25.1 19.4 29.6 25.67 2007 29.4 32.3 27.3 26.8 25.2 17.1 18.8 21.5 27.5 30.3 30.7 29.8 30.6 26.4 19.1 29.5 26.41 2008 31.3 28.8 29.1 26.2 22.5 19.9 19.3 20.8 27.7 30.4 31.9 30.4 30.0 25.9 20.0 30.0 26.48 2009 30.5 28.8 30.2 28.6 23.4 21.6 21.2 24.7 29.0 29.6 999.9 999.9 29.9 27.4 22.5 30.3 27.53