The most recent 13 complete calendar years, from 2002 through 2014, have averaged 0.18 °C (about 0.33 °F) warmer than the 30 - year baseline average, while the global temperature trend during that span was a warming trend at the rate of +0.05 °C per decade — which is also statistically insignificant. (fabiusmaximus.com)
The solid blue line indicates 2013; the dashed green line shows 2012; and the thick solid gray line indicates the new NSIDC baseline average extent from 1981 to 2010. (searcharcticscience.org)
Last month was the hottest February on record worldwide, topping the 1998 record by nearly half a degree Celsius, and exceeding the monthly baseline average by 1.35 ˚C, a difference that is 0.21 ˚ greater than any monthly anomaly ever recorded. (climatesolutions.org)