First snow of the season

Williams, Arizona received about 1/4" of snow, as of this writing. Snow started about 8:30-10 a.m., then light during the day until about 3:30-5 p.m. Now it is back to off-and-on light snow. Temp hovered around 34 most of the day and is 32 right now. Can you tell which drivers know what they are doing?