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.
Despite the so-called winter, November still reaches an average temperature of 26Â°C, with a high of 29Â°C. It may be marginally easier to sleep at night now, as the low temperature reaches an average of 23Â°C.