year	temp
1854  49.15
1855  46.52
1871  48.80
1881  47.95
1882  47.31
1883  44.64
1884  45.93
1885  43.41
1890  48.09
1891  47.71
1892  46.13
1893  45.10
1894  48.32
1895  46.39
1896  47.70
1897  47.61
1898  48.89
1899  48.29
1900  48.79
1901  47.30
1902  47.69
1903  46.54
1904  44.61
1905  46.57
1906  48.42
1907  44.62
1908  47.50
1909  46.53
1910  46.93
1911  48.23
1912  45.22
1913  48.37
1914  46.58
1915  46.21
1916  46.58
1917  43.48
1918  46.88
1919  48.15
1920  46.09
1921  49.97
1922  48.37
1923  46.74
1924  45.21
1925  47.06
1926  45.33
1927  48.18
1928  47.28
1929  46.55
1930  48.92
1931  51.17
1932  48.55
1933  49.40
1934  48.66
1935  47.26
1936  47.55
1937  47.73
1938  50.08
1939  49.58
1940  46.71
1941  49.91
1942  48.29
1943  47.12
1944  48.83
1945  47.63
1946  49.45
1947  46.83
1948  48.17
1949  50.19
1951  47.58
1952  50.13
1953  50.88
1956  48.60
1957  48.49
1958  47.38
1959  48.79
1960  47.04
1962  48.21
1963  48.12
1964  49.66
1965  47.84
1966  48.61
1967  48.04
1968  49.09
1969  48.94
1970  49.15
1971  49.48
1972  47.34
1973  50.41
1974  48.10
1975  47.99
1976  46.50
1977  47.17
1978  45.75
1979  46.10
1980  46.43
1981  47.09
1982  47.07
1983  48.19
1984  47.94
1985  47.44
1986  48.16
1987  49.99
1988  48.11
1989  46.50
1990  49.49
1991  49.98
1992  47.01
1993  47.00
1994  47.86
1995  47.73
1996  46.44
1997  46.83
1998  51.89
1999  49.69
2000  48.22