Overall, the global mean temperature during March through May was 1.02 °C warmer than the 1951-1980 average. This made it the second warmest such period in records dating back to 1880. (Source: NASA GISS)

March through May — spring in the Northern Hemisphere — was the second warmest such period in records dating back to 1880, according to a new analysis out today from NASA.

On its own, the month of May was third warmest.

The map above shows how temperatures around the world varied fr