year,observed temp

1880,287.3
1881,287.39
1882,287.41
1883,287.31
1884,287.23
1885,287.2
1886,287.21
1887,287.18
1888,287.3
1889,287.39
1890,287.14
1891,287.26
1892,287.24
1893,287.21
1894,287.2
1895,287.29
1896,287.36
1897,287.4
1898,287.23
1899,287.35
1900,287.42
1901,287.36
1902,287.24
1903,287.15
1904,287.06
1905,287.23
1906,287.29
1907,287.11
1908,287.08
1909,287.03
1910,287.08
1911,287.06
1912,287.16
1913,287.17
1914,287.35
1915,287.39
1916,287.16
1917,287.1
1918,287.25
1919,287.28
1920,287.24
1921,287.29
1922,287.23
1923,287.26
1924,287.22
1925,287.3
1926,287.41
1927,287.3
1928,287.29
1929,287.14
1930,287.36
1931,287.41
1932,287.34
1933,287.22
1934,287.36
1935,287.31
1936,287.35
1937,287.48
1938,287.48
1939,287.48
1940,287.58
1941,287.63
1942,287.6
1943,287.64
1944,287.76
1945,287.62
1946,287.47
1947,287.46
1948,287.41
1949,287.42
1950,287.33
1951,287.44
1952,287.51
1953,287.58
1954,287.38
1955,287.36
1956,287.3
1957,287.54
1958,287.56
1959,287.54
1960,287.47
1961,287.55
1962,287.52
1963,287.56
1964,287.3
1965,287.4
1966,287.45
1967,287.48
1968,287.43
1969,287.57
1970,287.53
1971,287.41
1972,287.51
1973,287.65
1974,287.42
1975,287.48
1976,287.38
1977,287.68
1978,287.57
1979,287.66
1980,287.77
1981,287.82
1982,287.63
1983,287.8
1984,287.65
1985,287.61
1986,287.69
1987,287.83
1988,287.9
1989,287.78
1990,287.93
1991,287.92
1992,287.72
1993,287.74
1994,287.81
1995,287.95
1996,287.84
1997,287.97
1998,288.13
1999,287.91
2000,287.92
2001,288.04
2002,288.12
2003,288.11
2004,288.04
2005,288.18
2006,288.13
2007,288.15
2008,288.03
2009,288.14
2010,288.21
2011,288.09
2012,288.13
2013,288.15
2014,288.24
2015,288.36