Year,Value,Canada (Country),Temp,May,(°F)
1948,36.284
1949,33.834
1950,35.377
1951,36.732
1952,38.997
1953,36.103
1954,35.413
1955,36.376
1956,31.795
1957,33.673
1958,36.743
1959,33.18
1960,37.149
1961,33.683
1962,33.129
1963,33.763
1964,35.096
1965,35.459
1966,34.407
1967,33.759
1968,34.834
1969,33.799
1970,33.112
1971,36.664
1972,34.586
1973,37.845
1974,33.267
1975,37.462
1976,36.539
1977,38.562
1978,34.891
1979,35.388
1980,39.355
1981,37.557
1982,35.635
1983,31.318
1984,36.394
1985,37.261
1986,37.508
1987,35.598
1988,36.838
1989,35.669
1990,35.622
1991,38.264
1992,34.169
1993,37.757
1994,37.269
1995,37.43
1996,33.679
1997,34.306
1998,41.074
1999,37.12
2000,35.235
2001,38.565
2002,32.613
2003,37.859
2004,32.645
2005,37.878
2006,40.186
2007,35.974
2008,38.136
2009,33.06
2010,37.931
2011,37.047
2012,38.925
2013,36.594
2014,37.856
2015,38.28
2016,40.032
2017,38.972
2018,36.68
2019,37.769
2020,35.405
2021,36.49
2022,37.142
2023,42.788
2024,39.63
2025,38.597