Year,Value,Canada (Country),Temp,May-Dec,(°F) 1948,34.54 1949,33.614 1950,32.815 1951,32.4 1952,35.452 1953,34.66 1954,34.9 1955,33.624 1956,31.741 1957,33.623 1958,33.393 1959,32.945 1960,34.31 1961,33.383 1962,33.975 1963,34.17 1964,32.588 1965,32.58 1966,33.151 1967,34.286 1968,33.623 1969,34.321 1970,32.988 1971,33.514 1972,30.685 1973,35.103 1974,33.357 1975,33.971 1976,33.512 1977,33.678 1978,31.83 1979,34.605 1980,33.521 1981,35.854 1982,33.039 1983,33.72 1984,33.061 1985,33.275 1986,32.763 1987,35.486 1988,34.524 1989,33.688 1990,32.719 1991,34.145 1992,32.397 1993,33.946 1994,36.013 1995,34.21 1996,33.778 1997,35.323 1998,37.661 1999,35.472 2000,33.829 2001,36.541 2002,35.273 2003,36.374 2004,33.486 2005,36.413 2006,37.146 2007,34.699 2008,35.223 2009,35.351 2010,37.274 2011,36.909 2012,36.351 2013,34.786 2014,35.727 2015,36.675 2016,37.06 2017,36.051 2018,34.548 2019,35.982 2020,36.061 2021,36.91 2022,36.771 2023,40.239 2024,38.956