Much colder with clouds breaking for some sun
Clear and frigid; extreme cold can be dangerous for outdoor activities late
Rises at 7:41 AM with 10:17 of sunlight, then sets at 5:58 PM
Rises at 7:54 PM with 12:51 of moolight, then sets at 8:45 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.