Year,Value,Ontario Province (Territory),Precip,May,(cm)
1940,6.613
1941,5.309
1942,8.997
1943,6.835
1944,6.218
1945,8.258
1946,5.815
1947,7.962
1948,5.931
1949,6.988
1950,7.521
1951,5.147
1952,7.618
1953,6.906
1954,8.874
1955,7.295
1956,8.169
1957,5.633
1958,6.249
1959,9.928
1960,7.615
1961,5.729
1962,9.042
1963,7.096
1964,7.16
1965,7.682
1966,4.551
1967,5.28
1968,5.172
1969,7.599
1970,7.336
1971,5.644
1972,4.522
1973,6.194
1974,8.311
1975,6.161
1976,4.876
1977,4.428
1978,6.131
1979,8.22
1980,5.158
1981,4.943
1982,5.993
1983,7.276
1984,6.467
1985,7.403
1986,5.065
1987,5.912
1988,5.861
1989,7.331
1990,5.515
1991,6.587
1992,6.95
1993,6.088
1994,6.598
1995,6.524
1996,5.799
1997,5.139
1998,6.209
1999,7.486
2000,9.059
2001,8.802
2002,8.356
2003,5.462
2004,8.332
2005,5.756
2006,7.823
2007,7.418
2008,7.959
2009,9.009
2010,6.337
2011,7.089
2012,8.853
2013,7.351
2014,8.223
2015,8.357
2016,6.252
2017,8.563
2018,6.907
2019,6.551
2020,5.27
2021,6.034
2022,8.031
2023,4.821
2024,8.037
2025,4.008