Year,Value,US and Canada,Temp,Sep,(°F)
1940,54.155
1941,49.104
1942,50.511
1943,51.222
1944,52.166
1945,50.473
1946,51.338
1947,51.092
1948,52.699
1949,51.728
1950,51.378
1951,51.378
1952,51.486
1953,52.078
1954,52.233
1955,51.169
1956,49.711
1957,52.085
1958,51.549
1959,50.895
1960,51.83
1961,49.719
1962,50.732
1963,51.532
1964,50.096
1965,48.1
1966,52.4
1967,51.902
1968,51.757
1969,50.949
1970,50.144
1971,51.188
1972,48.203
1973,51.677
1974,49.072
1975,50.429
1976,51.623
1977,51.903
1978,51.099
1979,52.097
1980,50.078
1981,51.646
1982,51.108
1983,51.589
1984,49.213
1985,50.209
1986,49.895
1987,52.7
1988,51.54
1989,51.71
1990,52.383
1991,51.322
1992,48.828
1993,49.838
1994,52.52
1995,52.151
1996,51.033
1997,53.094
1998,54.777
1999,52.169
2000,50.917
2001,53.349
2002,53.3
2003,52.431
2004,51.628
2005,53.399
2006,52.646
2007,52.182
2008,51.899
2009,54.34
2010,52.997
2011,54.188
2012,54.359
2013,53.524
2014,52.076
2015,54.04
2016,53.804
2017,53.947
2018,51.363
2019,54.688
2020,52.854
2021,54.413
2022,55.361
2023,55.758
2024,56.588
2025,55.753