February 10, 2016; 4:47 AM ET
Rounds of snow and slippery travel this week around Philadelphia will be followed by the coldest air of the winter during the Valentine's Day weekend. more >
Rises at 6:32 AM with 11:28 of sunlight, then sets at 6:00 PM
Rises at 3:08 AM with 10:15 of moolight, then sets at 1:23 PM
Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.