How often dO Locations across northern Arizona have snow for ChRISTMAS DAY?

Most people think of white snowy scenes with snow gently falling from the sky when picturing the typical weather during Christmas. But how often does this occur in reality? Over the thirty year period from 1981 to 2010, Flagstaff has recorded at least 1 inch of snow on the ground on Christmas 65% of the time. Measurable snowfall only occurred on Christmas 17% of the time.

The table below shows the historical probability of snow on the ground on Christmas Day at many cities in the United States as compiled over the same thirty year period (1981-2010) using data from the National Centers for Environmental Information.

What AbOUT OTHER holidays IN Flagstaff?