may 2018 marked the 401st straight month of global temperatures exceeding the 20th century average.
may 2018 marked the 401st straight month of global temperatures exceeding the 20th century average.
20th century:6
20th century
the average global temperature on earth has increased by about 0.8° celsius (1.4° fahrenheit) since 1880; two-thirds of the warming has occurred since 1975, at a rate of roughly 0.15-0.20 °c per decade.