The year 2014 was the warmest across the globe in 134 years of records, according to a report released by the National Oceanic and Atmospheric Administration Friday.
NOAA said the average temperature across land and ocean surfaces in 2014 was 1.24 degrees Fahrenheit (0.69 degrees Celsius) above the 20th-century average, topping the previous warmest years of 2010 and 2005. Global temperature records kept by NOAA date to 1880.
Blended land and sea surface temperature percentiles from January to December 2014. (National Climatic Data Center)
Contributing heavily to the Earth’s record warm year were record warm ocean temperatures. Despite the lack of an El Nino—a periodic warming of central and eastern equatorial Pacific water—2014’s global sea-surface temperatures surpassed 1998, which featured a strong El Nino early in the year.
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Over land areas, parts of western and northern Europe, central South America, eastern and western coastal Australia and western North America were particularly warm in 2014.
Seven months of 2014 either tied or set global warm records for that respective month. Only February (21st, tie) and November (7th, tie) failed to chalk up a top five warmest respective month in 2014.
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Thirteen of the 15 globally warmest years on record have now occurred since the year 2000. The other two years were 1997 and 1998, during which the strong El Nino mentioned above was in place.
December 2014 was the 358th straight month with global temperatures above the 20th-century average. The last month colder than average on a global scale was February 1985.
Despite this, parts of the central and eastern United States experienced . Indianapolis, Ft. Wayne, Indiana, and Dubuque, Iowa, each shivered through their record coldest year.
Conversely, at least 16 cities in the western U.S. had their record warmest year, including Phoenix, Las Vegas, San Francisco, Sacramento, San Diego, Seattle, and Nome, Alaska.
The Ash Creek Fire seen here is one of some 27,000 fires which have destroyed nearly 2 million acres of the western U.S. since the start of 2012. Extremely dry conditions, stiff winds, unusually warm weather, and trees killed by outbreaks of pine bark beetles have provided ideal conditions for the blazes. (Credit: NASA)