El Capitan (Montana)

El Capitan
El Capitan reflected in Little Rock Creek Lake
Highest point
Elevation9,984 ft (3,043 m)[1]
Prominence1,978 ft (603 m)[1]
Coordinates46°00′27″N 114°23′48″W / 46.0074198°N 114.3967588°W / 46.0074198; -114.3967588[2]
Geography
El Capitan is located in Montana
El Capitan
El Capitan
Location in Montana
El Capitan is located in the United States
El Capitan
El Capitan
El Capitan (the United States)
LocationRavalli County, Montana, U.S.
Parent rangeBitterroot Range
Topo map(s)USGS El Capitan, MT

El Capitan is a mountain summit in the Bitterroot Range of Montana. The peak is located in the Selway-Bitterroot Wilderness on land managed by the Bitterroot National Forest. The summit lies 12 miles west of the town of Darby, Montana, and three miles east of the Idaho–Montana border. The highest point of the Central Bitterroot Range is line parent Trapper Peak, 9.3 miles south-southeast.

Climate

Based on the Köppen climate classification, the peak is located in a subarctic climate zone characterized by long, usually very cold winters, and mild summers.[3] Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.

Climate data for El Capitan (MT) 46.0083 N, 114.3974 W, Elevation: 9,236 ft (2,815 m) (1991–2020 normals)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °F (°C) 24.0
(−4.4) 		23.8
(−4.6) 		28.4
(−2.0) 		34.0
(1.1) 		43.3
(6.3) 		52.1
(11.2) 		64.0
(17.8) 		64.0
(17.8) 		54.6
(12.6) 		40.7
(4.8) 		28.3
(−2.1) 		22.7
(−5.2) 		40.0
(4.4)
Daily mean °F (°C) 17.5
(−8.1) 		16.0
(−8.9) 		19.3
(−7.1) 		23.9
(−4.5) 		32.6
(0.3) 		40.5
(4.7) 		51.0
(10.6) 		50.9
(10.5) 		42.4
(5.8) 		31.0
(−0.6) 		21.7
(−5.7) 		16.4
(−8.7) 		30.3
(−1.0)
Mean daily minimum °F (°C) 10.9
(−11.7) 		8.3
(−13.2) 		10.2
(−12.1) 		13.9
(−10.1) 		21.8
(−5.7) 		29.0
(−1.7) 		37.9
(3.3) 		37.7
(3.2) 		30.3
(−0.9) 		21.2
(−6.0) 		15.0
(−9.4) 		10.1
(−12.2) 		20.5
(−6.4)
Average precipitation inches (mm) 9.25
(235) 		8.91
(226) 		7.75
(197) 		6.96
(177) 		5.53
(140) 		5.63
(143) 		2.22
(56) 		1.76
(45) 		3.39
(86) 		5.91
(150) 		9.63
(245) 		9.92
(252) 		76.86
(1,952)
Source: PRISM Climate Group[4]

References

  1. ^ a b "El Capitan". Bivouac.com.
  2. ^ "Trapper Peak". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  3. ^ Peel, M. C.; Finlayson, B. L.; McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11: 1633–1644. ISSN 1027-5606.
  4. ^ "PRISM Climate Group, Oregon State University". PRISM Climate Group, Oregon State University. Retrieved October 16, 2023. To find the table data on the PRISM website, start by clicking Coordinates (under Location); copy Latitude and Longitude figures from top of table; click Zoom to location; click Precipitation, Minimum temp, Mean temp, Maximum temp; click 30-year normals, 1991-2020; click 800m; click Retrieve Time Series button.
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