Complex sentence: Owing to its elevation of 2,000 feet, Las Vegas experiences markedly cooler evenings than other areas of the Mojave Desert that are closer to sea level, and the city records an average of 16 freezing temperatures per winter.
Split into simpler sentences: Owing to its elevation of 2,000 feet, Las Vegas experiences markedly cooler evenings than other areas of the Mojave Desert that are closer to sea level. Whereas lower-elevation cities like Palm Springs may fail to record a single freezing temperature in any given winter, Las Vegas records an average of 16 freezing temperatures per winter.