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June through August of 2013 Ranks in the Top Ten Warmest

September 17, 2013; 3:11 PM ET

Two sources of global surface temperature measurement for land/ocean combined have confirmed that the combined months of June, July, August ranked in the top ten warmest on record globally.

NASA GISS temperatures

Globally, the June-August period of 2013 averaged 0.58 degrees C. (1.04 F.) above the 1951-1980 average, making it tied with 2010 for 6th warmest on record. Records go back to 1880.

The warmest June-August period on record came off of a strong El Nino in 1998. The second through sixth warmest June-August periods on record all occurred between 2005 and 2013.

Note the cool anomalies over the north polar region which helped reduce the amount of sea ice loss this season compared to last year's record minimum.

By the way, August 2013 ranked 5th warmest on record, according to GISS.


NOAA temperatures for June-August 2013

Globally, the combined June, July, August three-month period averaged 0.62 degrees C. (1.12 F.) above the 1981-2010 average, making the three-month period tied with 2009 for 5th warmest on record. Records go back to 1880.

NOAA also shows how these temperatures compared to normal with the image below....

The NOAA chart below shows the temperature anomalies of the June-August period going back to 1880.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or


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