date,nw_annual_mean_temp_celsius,nw_5_yr_smooth_temp_celsius 1901,17.81,17.93 1902,17.72,17.79 1903,17.79,17.67 1904,17.59,17.57 1905,17.85,17.49 1906,17.43,17.46 1907,17.21,17.47 1908,17.68,17.53 1909,17.59,17.61 1910,17.28,17.69 1911,17.52,17.77 1912,17.98,17.82 1913,18.12,17.85 1914,18.24,17.86 1915,17.88,17.85 1916,17.92,17.84 1917,17.44,17.83 1918,17.58,17.84 1919,17.97,17.85 1920,18,17.86 1921,17.5,17.88 1922,18.32,17.9 1923,18.25,17.92 1924,17.58,17.94 1925,17.79,17.97 1926,18,18.01 1927,18.29,18.06 1928,18.22,18.12 1929,18.13,18.19 1930,17.86,18.26 1931,18.44,18.31 1932,18.59,18.35 1933,18.55,18.35 1934,18.51,18.32 1935,17.72,18.28 1936,18.03,18.24 1937,18.28,18.2 1938,18.37,18.18 1939,17.84,18.18 1940,18.47,18.2 1941,18.81,18.24 1942,18.44,18.31 1943,17.64,18.39 1944,18.53,18.49 1945,18.63,18.59 1946,18.77,18.66 1947,18.73,18.69 1948,18.35,18.66 1949,18.66,18.55 1950,18.48,18.4 1951,18.11,18.23 1952,18.66,18.09 1953,18,18.01 1954,17.99,18.01 1955,17.37,18.08 1956,18.13,18.18 1957,18.56,18.3 1958,18.69,18.39 1959,18.34,18.43 1960,18.21,18.41 1961,18.39,18.36 1962,18.58,18.3 1963,18.07,18.25 1964,18.23,18.24 1965,18.45,18.27 1966,18.69,18.32 1967,17.73,18.37 1968,17.9,18.41 1969,18.65,18.41 1970,18.86,18.37 1971,18.16,18.3 1972,18.44,18.22 1973,18.42,18.14 1974,17.77,18.08 1975,17.91,18.05 1976,17.51,18.05 1977,18.45,18.1 1978,18.33,18.18 1979,18.79,18.3 1980,18.23,18.47 1981,18.09,18.66 1982,18.77,18.85 1983,19.48,19.01 1984,19.27,19.11 1985,19.09,19.12 1986,19.02,19.06 1987,19.16,18.95 1988,18.46,18.83 1989,18.17,18.72 1990,18.81,18.67 1991,18.59,18.68 1992,19.58,18.73 1993,19.17,18.79 1994,18.28,18.85 1995,18.94,18.87 1996,18.26,18.84 1997,18.54,18.78 1998,19.21,18.71 1999,19.32,18.68 2000,18.19,18.71 2001,18.69,18.81 2002,18.86,18.97 2003,19.32,19.15 2004,19.49,19.31 2005,19.59,19.4 2006,18.79,19.41 2007,19.24,19.33 2008,19.45,19.21 2009,19.23,19.1 2010,19.5,19.03 2011,18.8,19.05 2012,19.12,19.16 2013,19.09,19.33 2014,19.24,19.52 2015,19.88,19.68 2016,19.94,19.77 2017,19.41,19.78 2018,19.69,19.72 2019,20.38,19.6 2020,19.37,19.44 2021,18.92,19.26