Sea level. Mean sea level (MSL) (abbreviated simply sea level) is an average level of the surface of one or more of Earth's oceans from which heights such as elevations may be measured.
Dates: September - October. Weather: Autumn in Wyoming is a delight. Many locations will see snow in mid-September, but it doesnât get to be real winter until late November. During October and November youâll discover a warm Indian Summer, with cool nights and beautiful changing colors. Early freezes in the fall are common.
Snowfall is 52 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 75. On average, there are 220 sunny days per year in Casper, Wyoming. The July high is around 89 degrees. The January low is 15. Our comfort index, which is based on humidity during the hot months, is a 67 out of 100, where higher is more comfortable. The US average on the comfort index is 44.