It’s not 40 data points, it’s 40 years of observations. Something that suggests that a phenomenon has consistently happened for 40 years and it didn’t this year

It’s not 40 data points, it’s 40 years of observations. Something that suggests that a phenomenon has consistently happened for 40 years and it didn’t this year. I think it merits investigation, especially when you have established with other data points that the phenomenon is consequential.