2012 is one of the most costliest years on record for weather disasters in the US. According to NOAA (National Oceanic and Atmospheric Administration) it was the second most costliest year for weather disasters behind 2005, which included Hurricane Katrina. In 2012, US insurance companies spent about 58 billion USD on natural disasters, with Hurricane Sandy (25 billion USD) accounting for 43 percent of the total cost. In comparison, damages caused by Hurricane Katrina cost 46.6 billion USD, according to Insurance Information Institute. Currently, large parts of the US continue to experience severe to exceptional levels of drought (see US Drought Monitor).
This video reviews extreme weather in the US for 2012.
References and Further Reading:
NOAA: 2012’s U.S. Billion-Dollar Extreme Weather Events ‘Impressive’. Insurance Journal
Eleven Billion-Dollar Weather Disasters in 2012. weather.com