May 2017 was second warmest May on record - KXXV-TV News Channel 25 - Central Texas News and Weather for Waco, Temple, Killeen |

May 2017 was second warmest May on record

This past May was the second-warmest May in 137 years of modern record-keeping. (Source: WGN/KVLY/KXJB/CNN) This past May was the second-warmest May in 137 years of modern record-keeping. (Source: WGN/KVLY/KXJB/CNN)

(WGN/KVLY/KXJB/CNN) - If you thought last month seemed a little on the warm side, you're not alone.

NASA’s Goddard Institute for Space Studies says this past May was the second-warmest May in 137 years of modern record-keeping.

Only 2016 was hotter.

And last month was just a fraction of a degree higher than the third-warmest May, which happened in 2014.

The temperature average is determined by data from more than 6,000 weather stations and other instruments around the world.

Critics have suggested warmer-than-normal temperatures are a sign of climate change.

Copyright 2017 WGN, KVLY and KXJB via CNN. All rights reserved. 

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