Year,Value,ValueRank
1940,-1.021,47
1941,-1.022,57
1942,-1.022,65
1943,-1.022,62
1944,-1.021,49
1945,-1.022,63
1946,-1.022,64
1947,-1.022,56
1948,-1.021,50
1949,-1.022,53
1950,-1.022,55
1951,-1.022,54
1952,-1.022,51
1953,-1.022,58
1954,-1.022,59
1955,-1.022,52
1956,-1.021,48
1957,-1.022,60
1958,-1.022,61
1959,-1.022,66
1960,0.197,27
1961,0.559,22
1962,-1.052,68
1963,-1.368,73
1964,0.921,16
1965,-1.43,75
1966,0.241,26
1967,-1.442,76
1968,-1.543,81
1969,0.84,17
1970,-1.495,79
1971,1.109,13
1972,-1.642,85
1973,1.141,12
1974,-0.359,40
1975,1.247,7
1976,0.368,25
1977,-1.282,72
1978,-1.183,71
1979,-1.53,80
1980,-0.812,45
1981,-0.475,41
1982,-0.526,43
1983,1.17,10
1984,-0.809,44
1985,-0.3,39
1986,-1.11,70
1987,1.185,9
1988,0.586,21
1989,-1.551,82
1990,0.675,20
1991,0.429,23
1992,0.757,18
1993,-0.085,36
1994,-1.492,78
1995,1.251,6
1996,-1.477,77
1997,-1.041,67
1998,1.287,1
1999,1.284,4
2000,1.286,3
2001,0.935,15
2002,1.287,2
2003,-1.594,83
2004,1.149,11
2005,1.079,14
2006,1.268,5
2007,1.242,8
2008,0.0,32
2009,0.0,33
2010,-0.0,34
2011,0.0,31
2012,0.08,29
2013,-0.001,35
2014,-1.673,86
2015,-1.633,84
2016,0.116,28
2017,0.368,24
2018,-0.974,46
2019,-1.413,74
2020,-0.51,42
2021,-0.28,38
2022,-1.091,69
2023,0.019,30
2024,0.678,19
2025,-0.168,37

Variable: SST
Domain: Lake Superior
Month(s): Mar

Average of all values: -0.338

Normal Period: 1991 to 2020
Normal Value = 0.064 Degrees C

Trend Begin Value = -0.897 Degrees C
Trend End Value = 0.222 Degrees C
Total Trend (Change) = 1.12 Degrees C
Total Trend (Change) per Decade = 0.13 Degrees C
Trend Statistical Sig. (M-K Test): Increasing
Trend P-value (M-K Test): 0.0195