Year,Value,ValueRank 1948,36.284,43 1949,33.834,63 1950,35.377,54 1951,36.732,35 1952,38.997,7 1953,36.103,44 1954,35.413,51 1955,36.376,42 1956,31.795,77 1957,33.673,69 1958,36.743,34 1959,33.18,71 1960,37.149,29 1961,33.683,67 1962,33.129,72 1963,33.763,65 1964,35.096,56 1965,35.459,50 1966,34.407,60 1967,33.759,66 1968,34.834,58 1969,33.799,64 1970,33.112,73 1971,36.664,37 1972,34.586,59 1973,37.845,20 1974,33.267,70 1975,37.462,25 1976,36.539,39 1977,38.562,12 1978,34.891,57 1979,35.388,53 1980,39.355,6 1981,37.557,23 1982,35.635,47 1983,31.318,78 1984,36.394,41 1985,37.261,28 1986,37.508,24 1987,35.598,49 1988,36.838,33 1989,35.669,46 1990,35.622,48 1991,38.264,14 1992,34.169,62 1993,37.757,22 1994,37.269,27 1995,37.43,26 1996,33.679,68 1997,34.306,61 1998,41.074,2 1999,37.12,31 2000,35.235,55 2001,38.565,11 2002,32.613,76 2003,37.859,18 2004,32.645,75 2005,37.878,17 2006,40.186,3 2007,35.974,45 2008,38.136,15 2009,33.06,74 2010,37.931,16 2011,37.047,32 2012,38.925,9 2013,36.594,38 2014,37.856,19 2015,38.28,13 2016,40.032,4 2017,38.972,8 2018,36.68,36 2019,37.769,21 2020,35.405,52 2021,36.49,40 2022,37.142,30 2023,42.788,1 2024,39.63,5 2025,38.597,10 Variable: Temperature Domain: Canada (Country) Month(s): May Average of all values: 36.282 Normal Period: 1991 to 2020 Normal Value = 36.957 Degrees F Trend Begin Value = 34.575 Degrees F Trend End Value = 37.989 Degrees F Total Trend (Change) = 3.413 Degrees F Total Trend (Change) per Decade = 0.438 Degrees F Trend Statistical Sig. (M-K Test): Increasing Trend P-value (M-K Test): 0.0