Considering some locations experience temperature swings of 30°F or more in a single day, warming of 1.8°F (1°C) might seem small, but Earth's annual temperatures are very stable when climate isn't changing.
Our global historical temperature records undergo rigorous quality control and independent peer review. Plus, the proof Earth is warming is practically everywhere you look.
With an analogy drawn from the gym, Michelle L'Heureux explains (again!) how weather (your workout) is not climate (your fitness).
In this week's Beyond the Data blog, NCEI's Deke Arndt explains how comparing a record-setting warm streak from 2015 to one in 1944 is like comparing the tallest player in the NBA to the tallest kid in 2nd grade.