2012 Was the Hottest Year on Record

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The Daily Banter Headline Grab. From The Huffington Post:

Even more astonishing is the imbalance between all-time records. According to data from NOAA's National Climatic Data Center, there were 356 all-time high temperature records set or tied in 2012, compared to four all-time low temperature records. All of the all-time record lows occurred in Hawaii.

As the climate has warmed during the past several decades, there has been a growing imbalance between record daily high temperatures in the contiguous U.S. and record daily lows. A study published in 2009 found that rather than a 1-to-1 ratio, as would be expected if the climate were not warming, the ratio has been closer to 2-to-1 in favor of warm temperature records during the past decade (2000-2009). This finding cannot be explained by natural climate variability alone, the study found, and is instead consistent with global warming.

Driven largely by the warm temperatures and the massive drought, one measure of extreme weather conditions, known as the Climate Extremes Index, shows that it was the second-most extreme year on record, second only to 1998. Studies show that in response to global warming, some extreme events, such as heat waves, are already becoming more likely to occur and more intense.

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