West Facts Average winter 29 6 F 1 3 C Average summer 66 2 F 19 C Lowest point 282 feet 85 9 m Badwater Basin in Death Valley California Highest point 14,505 feet 4,421 m Mount Whitney California Smallest state Washington 71,297 square miles 184,658 sq km 6 7 water 93 2 land Largest state California 163,694 square miles 423,965 5 sq km 4 8 water 95 1 land 5 Midwest Northeast Southeast Southwest West