census-designated place
A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only.
CDPs have been used in each decennial census since 1980 as the count ...
(CDP) in
Ravalli County
Ravalli County is a county in the southwestern part of the U.S. state of Montana. As of the 2020 census, the population was 44,174. Its county seat is Hamilton.
Ravalli County is part of a north–south mountain valley bordered by the Sapphir ...
,
Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
, United States. The population was 37 at the 2010 census.
The area was originally called Ross's Hole from Alexander Ross, a
Hudson’s Bay Company
The Hudson's Bay Company (HBC; french: Compagnie de la Baie d'Hudson) is a Canadian retail business group. A fur trading business for much of its existence, HBC now owns and operates retail stores in Canada. The company's namesake business div ...
fur trader who had traveled through the area in spring 1824. In 1889, settlers named the post office after Ursula (Sula for short) Thompson, purportedly the first non-Indian child born in Ross’s Hole.
Geography
Sula is located at , along U.S. Route 93 in southern Ravalli County. It lies along the East Fork of the Bitterroot River at the west end of Ross' Hole, a wide valley surrounded by mountains. It is north along U.S. 93 to Hamilton, the county seat, and south over Lost Trail Pass to
Salmon, Idaho
Salmon is a city in Lemhi County, Idaho. The population was 3,112 at the 2010 census. The city is the county seat of Lemhi County.
Located in the Lemhi River valley, Salmon is home to the Sacajawea Interpretive, Cultural and Education Center, wh ...
.
According to the
United States Census Bureau
The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of t ...
, the CDP has a total area of , of which is land and , or 1.09%, is water.
Climate
This
climatic
Climate is the long-term weather pattern in an area, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorological ...
region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the
Köppen Climate Classification
The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
system, Sula has a
humid continental climate
A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...