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NCDC Releases April 2012 Global Monthly Climate Report: April Global Temperatures are Fifth Warmest

According to NCDC scientists, the April 2012 globally averaged temperature was the fifth warmest April temperature since record keeping began in 1880. April 2012 also marked the largest departure from the 20th century average temperature in more than a year. This was the 36th consecutive April with a global temperature above the 20th century average.

The combined average temperature over global land and ocean surfaces for April was 57.87°F, 1.17°F above the 20th century average of 56.7°F. The margin of error associated with this temperature is +/- 0.14°F. The global temperature departure from the 20th century average and monthly rank were the highest since November 2010, near the onset of the first of the back-to-back La Niñas in 2010.

La Niña, which is typically associated with cooler global temperatures, dissipated and transitioned to neutral conditions during April 2012, as sea surface temperatures continued to warm across the equatorial Pacific Ocean. According to NOAA’s Climate Prediction Center, neutral conditions are expected to continue through the Northern Hemisphere’s summer.

This monthly analysis from NOAA's National Climatic Data Center is part of the suite of climate services NOAA provides government, business, and community leaders so they can make informed decisions. Read the full report at