1870 2013 1870 27.78 26.93 27.28 27.50 27.73 27.71 27.79 27.82 28.25 28.17 28.00 27.78 1871 27.72 27.69 27.84 28.10 28.11 28.11 27.91 28.12 28.23 28.25 28.10 27.73 1872 27.50 27.59 27.90 27.82 28.20 28.03 28.03 27.55 27.54 27.77 27.88 27.62 1873 27.50 27.23 27.20 27.78 28.27 28.06 28.06 28.06 28.07 27.89 27.92 27.98 1874 27.66 27.42 27.31 27.86 28.20 28.15 27.94 27.80 27.48 27.40 27.40 27.49 1875 27.62 27.68 27.61 27.51 27.70 27.77 27.59 27.54 27.50 27.75 27.96 27.61 1876 27.26 27.14 27.53 27.63 28.10 28.23 28.11 28.20 28.30 28.41 28.40 28.34 1877 28.16 28.57 28.53 28.64 29.03 29.29 29.31 29.23 29.28 29.48 29.53 29.60 1878 29.32 29.28 29.00 29.01 29.18 29.46 28.75 28.37 28.18 28.06 28.14 27.99 1879 27.99 28.01 28.20 28.18 28.12 27.81 27.74 27.81 27.84 27.67 27.47 27.61 1880 27.69 27.75 27.88 28.07 28.21 28.10 28.12 28.05 28.13 28.38 28.59 28.51 1881 28.32 28.24 28.53 28.90 29.06 28.89 28.44 28.50 28.33 28.30 28.16 28.14 1882 27.91 27.68 27.92 28.57 28.86 28.66 28.43 28.54 28.08 28.11 27.81 27.74 1883 28.00 27.95 28.05 28.27 28.43 28.43 28.52 28.31 28.32 28.50 28.52 28.31 1884 28.21 28.26 28.43 28.72 29.35 28.61 28.83 28.69 28.64 28.57 28.45 28.40 1885 28.05 28.17 28.43 28.47 29.27 28.88 28.71 28.83 28.89 29.14 29.03 28.90 1886 28.47 28.29 28.63 28.54 28.32 28.09 27.84 27.69 27.59 27.73 27.57 27.20 1887 27.56 27.73 27.57 27.59 27.84 28.20 28.24 28.12 28.13 28.33 28.51 28.26 1888 28.02 28.45 28.60 28.77 28.95 28.86 28.90 28.96 28.41 29.44 29.83 29.24 1889 29.10 28.86 28.71 28.64 28.94 28.41 28.16 27.99 27.85 27.45 27.54 27.29 1890 26.32 26.50 27.40 27.71 28.06 27.76 27.70 27.14 27.16 27.41 27.50 27.73 1891 27.79 27.99 28.19 28.45 28.75 28.64 28.40 28.39 28.34 28.51 28.58 28.37 1892 27.75 27.80 27.73 27.76 28.31 28.20 28.01 27.80 27.46 27.22 27.22 27.68 1893 27.67 27.57 27.50 27.35 27.59 27.45 27.08 27.02 27.09 27.15 27.26 27.35 1894 27.07 26.85 27.19 27.49 27.82 27.83 27.81 27.83 27.41 27.69 27.64 27.85 1895 27.48 27.63 27.81 28.06 28.39 28.24 28.23 28.67 28.59 28.42 28.58 28.46 1896 28.09 27.94 28.29 28.35 28.74 28.36 28.92 29.17 29.16 29.08 29.17 29.06 1897 28.85 28.65 28.49 28.27 28.56 28.56 28.70 28.59 28.54 28.20 27.93 27.86 1898 27.54 27.60 27.74 28.14 28.33 28.36 28.17 27.83 28.01 28.21 27.91 27.61 1899 27.24 27.29 27.58 28.03 28.55 28.43 28.64 28.71 28.50 29.15 29.35 29.34 1900 28.89 28.67 28.76 28.87 29.09 28.99 29.00 28.94 28.86 28.93 28.80 29.00 1901 28.85 28.34 28.40 28.54 28.72 28.47 28.45 28.46 28.19 28.31 28.15 28.04 1902 27.72 27.85 27.87 28.69 29.30 29.25 29.34 29.11 29.46 29.33 29.24 28.91 1903 28.87 28.92 28.95 28.87 28.87 29.20 28.52 28.77 28.37 28.41 28.21 27.88 1904 27.30 27.55 27.82 28.11 28.20 28.55 28.79 28.73 28.56 29.10 28.28 28.91 1905 28.56 28.77 28.82 28.77 29.41 29.01 29.36 29.24 29.60 29.08 28.97 29.00 1906 28.37 28.48 29.10 28.74 28.78 28.78 28.64 28.75 27.87 27.85 28.44 28.12 1907 27.90 27.89 27.98 28.11 28.53 28.55 28.36 28.36 28.52 28.08 28.30 28.18 1908 27.82 28.03 27.89 28.22 28.64 28.27 28.11 28.14 28.15 28.10 27.80 27.56 1909 27.74 27.46 27.82 28.05 28.74 27.96 27.85 27.60 27.81 27.51 27.39 27.51 1910 27.17 27.35 27.39 27.30 27.69 27.59 27.67 27.60 27.26 27.48 27.65 27.61 1911 27.62 27.63 27.53 27.48 28.14 27.91 28.03 27.64 28.06 28.18 28.82 28.35 1912 28.70 28.54 28.75 28.90 28.57 28.53 28.65 28.34 28.46 28.30 28.41 27.95 1913 27.78 28.27 28.40 28.05 28.45 28.22 28.09 28.03 28.44 28.25 28.58 28.50 1914 28.15 28.54 28.45 28.91 28.91 28.72 28.84 29.01 28.81 28.73 28.66 28.68 1915 28.62 28.62 28.71 28.81 29.17 29.36 28.82 28.67 28.70 28.82 28.46 28.42 1916 28.15 27.84 28.06 28.39 28.97 28.76 28.03 27.52 27.43 27.65 27.34 27.43 1917 27.27 27.53 27.72 27.96 28.12 28.20 28.24 28.27 28.15 28.36 28.02 27.84 1918 27.56 27.49 27.68 27.95 28.37 28.69 28.44 28.56 28.80 29.04 29.06 28.94 1919 29.00 28.76 28.99 29.07 29.35 29.09 28.78 28.88 28.73 28.42 27.97 28.48 1920 28.28 28.21 28.42 28.34 28.77 28.95 28.88 28.72 28.72 29.10 28.37 27.92 1921 28.07 27.54 27.27 28.14 28.05 28.19 28.32 28.51 28.26 28.47 27.94 28.28 1922 27.79 28.14 28.33 28.10 28.82 28.35 28.66 28.25 28.27 28.19 28.33 27.79 1923 27.90 27.77 28.06 28.47 28.61 28.53 28.34 28.56 28.80 29.05 29.12 28.78 1924 28.37 28.29 28.54 28.43 28.29 28.49 28.22 27.92 27.90 27.95 27.54 27.97 1925 27.17 27.30 27.55 27.98 28.36 28.15 28.73 28.79 28.89 28.98 29.17 29.21 1926 28.76 28.85 28.98 28.91 29.33 29.17 28.94 28.71 28.66 28.29 28.09 28.09 1927 28.15 28.22 27.95 28.42 28.29 28.54 28.52 28.59 28.40 28.59 28.37 28.58 1928 28.52 28.34 28.29 28.53 28.85 28.72 28.53 28.52 28.40 28.41 28.46 28.06 1929 27.83 27.91 28.13 28.34 28.53 28.80 28.81 28.59 28.62 28.73 28.68 28.87 1930 28.66 28.62 28.73 28.90 28.72 28.89 29.00 28.75 29.14 29.10 29.42 28.96 1931 28.90 29.07 28.72 28.93 29.27 29.30 29.07 28.91 28.30 28.31 28.49 28.09 1932 27.79 27.81 28.36 28.37 28.74 28.63 28.27 28.49 28.47 28.54 28.45 28.00 1933 28.10 27.90 28.08 28.32 28.30 27.95 28.15 27.83 27.72 27.45 27.70 27.30 1934 27.13 27.19 27.23 27.91 28.12 28.25 28.12 27.90 27.96 28.09 28.20 28.07 1935 27.81 28.01 27.94 28.00 28.12 28.25 28.14 28.57 28.51 28.74 28.61 28.32 1936 28.32 28.31 28.31 28.71 29.15 28.57 28.49 28.44 28.49 28.77 28.35 28.74 1937 28.04 28.38 28.84 28.48 28.61 28.38 28.77 28.53 28.42 28.46 28.67 28.15 1938 28.00 28.03 28.26 28.27 28.29 28.07 28.11 27.85 28.32 27.83 27.98 27.86 1939 27.67 27.48 27.80 28.30 28.62 28.47 28.71 28.43 29.16 28.00 28.47 28.68 1940 28.76 28.80 28.94 28.87 29.07 29.25 29.09 28.87 28.65 28.98 29.15 29.22 1941 28.92 28.75 29.20 29.49 29.80 29.33 29.35 29.18 29.04 29.26 29.37 29.28 1942 28.74 28.54 28.35 28.99 28.66 28.53 28.45 28.16 27.96 27.90 27.83 27.54 1943 27.02 27.22 27.62 28.05 28.64 28.61 28.65 28.73 28.44 28.19 28.07 28.10 1944 27.98 27.92 28.20 28.48 28.90 28.75 28.80 28.73 28.60 28.58 28.62 28.40 1945 27.97 27.72 27.53 27.70 28.11 28.02 28.21 28.11 28.17 28.23 28.36 28.09 1946 27.92 27.95 28.05 28.33 28.79 29.14 28.88 28.60 28.86 28.76 28.64 28.90 1947 28.48 27.96 28.53 28.43 28.67 29.20 28.41 28.49 27.97 27.89 27.76 28.41 1948 28.26 27.91 28.58 28.60 29.27 29.20 28.59 28.43 28.46 28.38 28.33 28.28 1949 28.09 28.49 27.93 28.45 28.62 28.27 28.39 28.48 27.81 27.95 27.35 27.56 1950 27.58 27.00 27.37 27.74 28.02 28.19 27.80 27.69 27.73 27.62 27.20 27.66 1951 27.01 27.14 27.52 27.97 28.61 28.42 28.75 28.82 28.78 28.82 28.88 28.79 1952 28.50 28.22 28.19 28.75 28.85 28.52 28.36 28.33 28.69 28.55 28.29 28.17 1953 28.52 28.09 28.53 28.89 29.01 28.95 28.90 28.67 28.97 28.67 28.79 28.34 1954 28.44 28.19 28.30 28.54 28.69 28.34 28.09 27.95 27.87 27.92 27.70 27.89 1955 27.59 27.21 27.62 27.57 27.94 28.00 27.70 27.86 27.76 27.20 27.25 27.19 1956 27.26 27.13 27.43 27.91 28.20 27.87 27.92 27.93 27.66 27.81 27.87 27.98 1957 28.05 28.12 28.26 28.78 29.27 28.77 28.86 28.80 28.96 29.09 29.21 29.07 1958 29.33 29.27 29.26 28.95 29.38 29.09 28.82 28.96 28.49 28.73 28.77 28.86 1959 28.56 28.49 28.50 28.69 29.01 28.51 28.58 28.61 28.56 28.52 28.28 28.17 1960 27.85 27.66 27.93 28.42 28.66 28.39 28.41 28.26 28.36 28.42 28.29 28.54 1961 28.00 27.97 28.01 28.14 28.58 28.58 28.39 28.29 28.22 28.06 28.15 27.86 1962 27.50 27.67 27.81 28.24 28.40 28.58 28.40 28.33 28.17 28.27 28.31 28.02 1963 27.81 27.85 28.05 28.37 28.66 28.43 28.81 28.94 28.83 29.07 29.04 28.84 1964 28.55 28.43 28.08 28.32 28.43 28.16 28.07 27.78 27.46 27.48 27.46 27.48 1965 27.74 27.64 27.74 28.23 28.61 28.72 28.85 28.95 28.98 29.27 29.32 29.13 1966 28.85 28.67 29.10 28.86 29.06 29.03 29.17 28.91 28.82 28.69 28.50 28.37 1967 27.52 27.42 27.88 28.47 28.96 28.77 28.69 28.42 28.25 28.48 28.52 28.31 1968 28.01 28.06 27.87 28.09 28.45 28.70 28.67 28.65 28.43 28.86 29.14 28.93 1969 29.19 29.33 28.96 28.98 29.13 28.79 28.78 29.04 29.07 29.05 29.10 28.97 1970 28.64 28.50 28.55 28.65 29.04 28.74 28.54 28.18 28.11 27.99 28.07 27.48 1971 26.98 27.10 27.19 27.76 28.15 28.07 27.94 27.81 27.62 28.07 28.04 27.98 1972 27.86 28.07 28.28 28.83 29.28 29.16 29.07 28.87 28.91 29.39 29.23 29.34 1973 29.12 28.70 28.72 28.46 28.73 28.26 28.03 27.72 27.48 27.37 27.04 26.58 1974 26.54 26.95 27.14 27.56 28.05 28.01 27.87 27.94 27.80 27.72 27.60 27.55 1975 27.56 27.75 27.69 27.78 27.93 27.79 27.37 27.06 26.76 26.74 26.75 26.57 1976 26.85 27.13 27.70 27.99 28.29 28.36 28.29 28.22 28.63 28.83 28.93 28.50 1977 28.30 28.18 28.32 28.37 28.70 28.93 29.14 29.07 29.17 29.16 29.24 29.18 1978 28.74 28.47 28.31 28.42 28.75 28.48 28.53 28.31 28.24 28.37 28.46 28.35 1979 28.45 28.40 28.51 28.57 28.68 28.67 28.71 28.54 28.53 28.70 28.69 28.95 1980 28.70 28.70 28.69 28.80 29.16 29.05 28.95 28.59 28.59 28.78 28.89 28.58 1981 28.15 28.07 28.47 28.42 28.76 28.53 28.35 28.36 28.52 28.55 28.51 28.54 1982 28.13 28.04 28.47 28.87 29.33 29.43 29.00 28.93 29.06 29.53 29.24 29.11 1983 29.02 28.82 28.80 28.76 29.10 28.85 28.44 28.31 28.05 27.81 27.73 27.77 1984 27.57 27.45 27.53 27.65 27.96 28.03 28.27 28.11 28.34 27.98 27.72 27.34 1985 27.74 27.49 27.51 27.66 28.06 28.07 28.34 28.37 28.38 28.39 28.45 28.36 1986 27.89 27.87 27.96 28.23 28.59 28.86 28.92 29.00 29.18 29.23 29.28 29.02 1987 28.87 28.90 29.15 29.02 29.37 29.57 29.45 29.39 29.51 29.61 29.63 29.39 1988 28.94 28.54 28.60 28.24 28.23 28.04 27.86 27.78 27.66 27.09 26.97 26.86 1989 26.65 26.73 27.04 27.53 28.07 27.98 28.19 28.06 28.30 28.29 28.35 28.55 1990 28.49 28.52 28.73 28.79 29.05 28.91 29.05 29.03 28.95 29.10 28.99 29.09 1991 28.93 28.69 28.72 29.05 29.37 29.40 29.27 29.18 28.99 29.39 29.32 29.27 1992 28.92 28.97 29.15 29.27 29.53 29.20 29.16 28.83 28.79 28.70 28.73 28.74 1993 28.74 28.56 28.66 29.02 29.33 29.23 29.16 28.99 29.07 29.00 29.05 28.82 1994 28.46 28.13 28.39 28.75 29.08 29.18 29.37 29.47 29.26 29.46 29.56 29.36 1995 29.18 28.99 29.11 29.05 29.30 29.24 29.02 28.72 28.60 28.39 28.32 28.21 1996 27.91 27.79 28.09 28.32 28.59 28.78 28.59 28.39 28.43 28.49 28.54 28.48 1997 28.36 28.29 28.49 29.04 29.48 29.34 29.49 29.44 29.55 29.51 29.56 29.23 1998 29.17 28.94 28.80 28.73 29.00 28.55 28.33 28.04 27.99 27.66 27.52 27.21 1999 26.77 26.66 27.27 27.62 27.97 28.04 27.96 27.76 27.93 27.84 27.57 27.24 2000 26.91 26.71 26.95 27.40 27.89 28.14 28.20 28.24 28.29 28.19 28.10 27.65 2001 27.44 27.33 27.68 28.17 28.58 28.77 28.94 28.89 28.97 28.84 28.78 28.45 2002 28.54 28.35 28.55 28.87 29.18 29.41 29.36 29.30 29.30 29.48 29.57 29.29 2003 28.98 28.78 28.94 28.92 28.90 29.01 29.02 28.89 28.95 29.17 29.17 28.85 2004 28.67 28.42 28.36 28.73 29.10 29.12 29.26 29.23 29.40 29.42 29.35 29.20 2005 29.08 28.70 28.79 28.87 29.09 29.05 28.88 28.77 28.79 28.77 28.58 28.20 2006 27.72 27.43 27.81 28.28 28.81 28.98 28.99 29.12 29.26 29.34 29.38 29.26 2007 28.80 28.44 28.44 28.60 28.76 28.85 28.67 28.51 28.13 27.90 27.51 27.36 2008 26.88 26.64 27.06 27.55 27.96 28.15 28.32 28.31 28.23 28.27 28.10 27.73 2009 27.55 27.57 27.93 28.41 28.97 29.16 29.24 29.29 29.27 29.60 29.83 29.76 2010 29.47 29.05 29.19 29.21 28.91 28.56 28.17 27.55 27.41 27.27 27.21 27.07 2011 26.88 27.08 27.55 27.81 28.28 28.39 28.31 28.10 28.01 27.92 27.88 27.41 2012 27.25 27.37 27.73 28.19 28.53 28.66 28.72 28.96 28.97 29.00 28.98 28.55 2013 28.20 27.94 28.11 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 NINA4 5N-5S 160E-150W HadISST