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The ski area initially planned to stay open until early June. It says it's moving up closing day to Sunday due to unseasonably warm weather and a lack of snowfall. It reported a base of 32 inches of snow at mid-mountain Tuesday.

Arapahoe Basin is the only Colorado ski resort to stay open until May this season.

Last year, A-Basin got so much spring snow that it was operating daily until early June and kept its lifts running on weekends until July 4. A year ago, A-Basin still had a 62-inch base in mid-June.