The summer of 2012 was tied for the 2nd warmest on record in the northern Hemisphere, according to the Goddard Institute for Space Studies (GISS). The warmest on record occurred in 2010.
June/July/August 2012 temperature anomalies courtesy of GISS.
The northern Hemisphere summer, which covers the months of June, July and August, ended up averaging +0.74 degrees C. above the 1951-1980 average. Records go back to 1880.
For the month of August, the northern Hemisphere averaged 0.65 degrees C. above normal, putting the month tied for 5th warmest.
Globally, August 2012 was tied for 6th warmest on record, averaging 0.56 degrees C. above normal.
August 2012 temperature anomalies, courtesy of GISS.
For the months of June, July and August 2012 combined (summer north/winter south) the period averaged 0.53 degrees C. above normal, which makes it tied for 7th warmest.
Still waiting for the satellite data, which is running behind for some reason. The NCDC data should be released within a day or two.
Arctic sea ice clearly getting younger and thinner.
Hard to believe if you live in North America, but November 2013 was the warmest November on record globally.
Frequent logging and deforestation in high latitude regions where snowfall is common and timber activity is low may actually provide better climatic benefits...
A particular climate geoengineering effort to reduce the amount of sunlight might not work out.....
Understanding the climate model.
A look at the model projected long-term changes in global temperatures and precipitation based on a combination of four greenhouse gas emission scenarios.