The following graph shows how global temperatures have varied over the past 100 years. It displays temperatures based on how far they deviated from average. If a bar goes up from the zero axis, then the temperature that year was higher than average. If a bar goes down, then the temperature that year was lower than average

slightly below average approximately average slightly above average most above average

1936
1966
1977
2016

It appears that 1936 and 2016 were the years with the highest above average temperatures in the past 100 years. 1966 and 1977 had temperatures that were slightly above average.