Dreaming of a white Christmas? Here's where you have the best chances of snow on the big day based on historical data.

Several major metropolitan areas, including New York City, could get hit by snow this weekend as Christmas travel begins.

The researchers examined the aggregate click-through-rate (CTR) for every state and 100 major cities; each location was assigned an a click-through index score between 1 (least likely to click on ads) ...