Daily Archives: April 28, 2015

Graphs by the Dozen

Quite a bit of attention was paid to the fact that in the global temperature data from NASA, and from NOAA, the year 2014 turned out to be the hottest on record. Even more attention ensued because so far this year has also been rather toasty world-wide, so much so that by February we set new record highs for average temperature over a 12-month period (sometimes called 12-month running means). Simply put, March 2014 through February 2015 was the hottest 12-month period on record in both NASA and NOAA data. Then when the numbers arrived for March of this year, it turns out we topped even that record; April 2014 through March 2015 became the new hottest 12-month period on record, for both NASA and NOAA data; here’s the NASA version (click the graph for a larger, clearer view):


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