Most of the southwestern United States is having a very dry winter. The northern parts of Arizona and New Mexico were clipped by a few drenching storms exiting California in December, but dry conditions are more the norm.
Weather in the Southeast this fall and winter is keeping up with the dry part of the typical La Niña pattern. Precipitation across most of the Southeast was "below" or "much below" normal for October-December.
The average global surface temperature in October 2010 was 58.07°F (14.54°C), which is 0.97°F (0.54°C) above the historical average, according to the monthly assessment from NOAA's National Climatic Data Center.
Facing the possibility of a massive coral bleaching event in the Caribbean Sea in late summer and early fall 2010, a USGS biologist based at U.S. Virgin Islands National Park hopes that the season won't have the same devastating outcome as a similar event in 2005.
Each of the last three decades was warmer than all earlier decades in the instrumental record, and each set a new and statistically significant record, culminating in the 2000s, which was the warmest decade of all.