A Project of The Annenberg Public Policy Center

December 22, 2009

Of the $410 million in sales by U.S. Christmas tree farmers in 2007, Oregon farmers led the nation with $109.3 million.
Source: Census Bureau/USDA

December 21, 2009

It rarely snows when the temperature drops below 0 degrees Fahrenheit, not because it is too cold but because the atmosphere is too stable. Snow occurs when there is enough lifting of saturated air.
Source: NOAA’s National Severe Storms Laboratory

December 20, 2009

On average, 13 inches of snow equals 1 inch of rain. The ratio depends on the type of snow, however. Only 2 inches of sleet but nearly 50 inches of powdery snow can equal 1 inch of rain.
Source: NOAA’s National Severe Storms Laboratory

December 19, 2009

When lightning occurs in a snowstorm, it is called thundersnow. This can occur when there is strong instability and abundant moisture above the surface, such as above a warm front. 
Source: NOAA’s National Severe Storms Laboratory

December 18, 2009

As of 2008, the city of North Pole, Alaska, had a population of 2,212.
Source: Census Bureau

December 17, 2009

Fourteen percent of department store sales and 18 percent of jewelry store sales in 2008 occurred in December.

Source: Census Bureau

December 16, 2009

Last December, retail sales by online shopping and mail-order houses totaled $24 billion, the highest total for any month of the year.
Source: Census Bureau

December 15, 2009

The new United States of America ratified the Bill of Rights on Dec. 15, 1791.
Source: Library of Congress

December 14, 2009

A little more than half of the United States’ potatoes were produced in Idaho and Washington in 2008.
Source: Census Bureau/National Agriculture Statistics Service

December 13, 2009

In 1997 a massive menorah was built in Latrun, Israel. It was more than 60 feet tall, requiring a rabbi to be lifted in a crane each night of Hanukkah to light the candles. 
Source: History Channel