Winter Play

The most recent USGA Green Section Record contains what I believe to be the best ever written article regarding "winter play" on golf courses, and believe me, I've read and analyzed more than my fair share of them over the years! 

very heavy frost conditions

frost slow to melt away due to shade from trees

It covers all aspects of the conditions that affect winter play decision making, from frosty and frozen turf to saturated turf conditions.

Please take the time to read it here: "Winter Play - When to Go and When to Say No"