Some sun, then turning cloudy and frigid
Partly cloudy and frigid; extreme cold can be dangerous for outdoor activities late
Rises at 6:36 AM with 11:01 of sunlight, then sets at 5:37 PM
Rises at 11:29 AM with 15:00 of moolight, then sets at 2:29 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.