Titlebook: Lewis and Clark; Weather and Climate Vernon Preston Book 2007 American Meteorological Society 2007 Corps of Discovery.Meriwether Lewis.Met

提名的名單

morale

Ascending the Missouri Rivererienced their first snows near present-day Bismarck, North Dakota, and established winter quarters at Camp Mandan on November 2. Here they would endure the rigors of prairie winter, including the coldest temperature of the year.

Explosive

Fort MandanAs spring neared, the party moved quickly to free the keelboat and pirogues from the icy barrier of the Missouri River before breakup. By late March, the ice was flowing and temperatures were warming.