According to measurements by NASA’s GISS global temperature monitoring service, April of 2017 was considerably warmer than all past Aprils in the climate record with the single exception of 2016.
The month came in at 0.88 degrees Celsius above NASA’s 20th Century baseline and fully 1.1 degrees Celsius above 1880s averages. This measure was just 0.01 C warmer than now third warmest 2010 and 0.18 C shy of last year’s record. All of the top ten hottest Aprils on record have occurred since 1998 and six of the top ten hottest Aprils have occurred since 2010.
(During April of 2017, and with only a few moderate exceptions, most of the world experienced above normal to considerably above normal surface temperatures. Image source: NASA GISS.)
The first four months of 2017 now average around 1.21 degrees Celsius warmer than 1880s ranges. This number is about tied with…
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