Temperatures were well above the norm for the month, setting records and rising well above the long-term trends.
Image of the Day Heat Temperature Extremes
What a difference one year has made in the snow cover over North America.
Image of the Day Snow and Ice Temperature Extremes
Unseasonably warm temperatures broke records across the United States.
Image of the Day Heat Land Temperature Extremes
The Arctic Oscillation, La Niña, and North Atlantic Oscillation combine to steer winter's cold, snowy weather away from the United States.
Image of the Day Land Snow and Ice Temperature Extremes
Analysis of global temperatures shows that the year was the 9th hottest in the past 130 years. Nine of the ten warmest years have occurred since 2000.