Year,Value,Canada (Country),Temp,Jan-Apr,(°F)
1948,-0.708
1949,0.954
1950,-2.232
1951,1.573
1952,3.082
1953,4.674
1954,0.48
1955,2.189
1956,1.808
1957,2.083
1958,5.91
1959,1.752
1960,3.534
1961,2.109
1962,1.601
1963,2.53
1964,1.73
1965,0.983
1966,1.952
1967,-1.952
1968,3.454
1969,3.659
1970,2.802
1971,2.806
1972,-2.32
1973,3.78
1974,-1.297
1975,1.208
1976,2.789
1977,7.526
1978,3.253
1979,-0.255
1980,5.127
1981,9.122
1982,-1.441
1983,3.216
1984,5.386
1985,3.267
1986,4.239
1987,7.16
1988,4.533
1989,1.563
1990,3.311
1991,4.011
1992,4.26
1993,4.152
1994,0.449
1995,4.601
1996,2.066
1997,2.453
1998,6.748
1999,7.261
2000,6.127
2001,6.204
2002,2.025
2003,2.811
2004,2.895
2005,5.724
2006,9.101
2007,4.906
2008,2.825
2009,3.52
2010,12.049
2011,3.528
2012,7.084
2013,4.62
2014,2.012
2015,3.298
2016,7.211
2017,6.201
2018,3.822
2019,4.175
2020,4.323
2021,6.962
2022,2.83
2023,5.453
2024,8.362
2025,6.782