February 11, 2016; 8:38 AM ET
The coldest air of the winter and perhaps during all of last winter will plunge across the Philadelphia area during Valentine's Day weekend. more >
Rises at 6:54 AM with 10:39 of sunlight, then sets at 5:33 PM
Rises at 10:41 AM with 14:04 of moolight, then sets at 12:45 AM
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.