Shell, Wyoming

Shell is a census-designated place (CDP) in Big Horn County, Wyoming, United States. The population was 83 at the 2010 Census.

Shell
CDP
Sign in Shell
Sign in Shell
Shell is located in Wyoming
Shell
Shell
Location within the state of Wyoming
Coordinates: 44°32′8″N 107°46′45″W
CountryUnited States
StateWyoming
CountyBig Horn
Area
 • Total1.14 sq mi (2.96 km2)
 • Land1.14 sq mi (2.96 km2)
 • Water0 sq mi (0 km2)
Elevation
4,219 ft (1,286 m)
Population
 (2010)[1]
 • Total83
 • Density73/sq mi (28/km2)
Time zoneUTC-7 (Mountain (MST))
 • Summer (DST)UTC-6 (MDT)
ZIP codes
82441

The community is named for the abundance of fossil shells located in the area. Nearby exposed formations such as the Cloverly Formation and the Morrison Formation have yielded numerous fossils of dinosaurs and other animals. Located to the west of the town is the Red Gulch Dinosaur Tracksite, a rare collection of dinosaur tracks from the Jurassic period.

Shell is home to the Iowa State University geology field station.[2]

Geography

According to the United States Census Bureau, in 2010 the CDP has a total area of 1.1 square miles (2.96 km2), all land.[3]

Shell is located at the base of the Big Horn Mountains, at the mouth of Shell Canyon. Nearby Shell Creek rises in the Big Horn Mountains and joins the Big Horn River just north of Greybull.

Climate

According to the Köppen Climate Classification system, Shell has a cold semi-arid climate, abbreviated "BSk" on climate maps. The hottest temperature recorded in Shell was 106 °F (41 °C) on July 14, 2002, and June 14, 2021, while the coldest temperature recorded was −43 °F (−42 °C) on December 21, 1983.[4]

Climate data for Shell, Wyoming, 1991–2020 normals, extremes 1972–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 61
(16)		 67
(19)		 78
(26)		 88
(31)		 93
(34)		 106
(41)		 106
(41)		 104
(40)		 98
(37)		 90
(32)		 78
(26)		 75
(24)		 106
(41)
Mean maximum °F (°C) 50.7
(10.4)		 54.4
(12.4)		 68.9
(20.5)		 78.7
(25.9)		 86.0
(30.0)		 94.5
(34.7)		 99.2
(37.3)		 97.4
(36.3)		 92.5
(33.6)		 81.3
(27.4)		 65.5
(18.6)		 55.1
(12.8)		 99.6
(37.6)
Average high °F (°C) 32.7
(0.4)		 37.4
(3.0)		 49.9
(9.9)		 58.7
(14.8)		 68.7
(20.4)		 79.3
(26.3)		 89.1
(31.7)		 86.9
(30.5)		 75.8
(24.3)		 60.2
(15.7)		 45.
(7)		 33.7
(0.9)		 59.8
(15.4)
Daily mean °F (°C) 19.5
(−6.9)		 24.1
(−4.4)		 36.0
(2.2)		 44.0
(6.7)		 53.9
(12.2)		 63.2
(17.3)		 71.3
(21.8)		 68.9
(20.5)		 58.7
(14.8)		 44.9
(7.2)		 31.7
(−0.2)		 20.8
(−6.2)		 44.7
(7.1)
Average low °F (°C) 6.4
(−14.2)		 10.8
(−11.8)		 22.2
(−5.4)		 29.3
(−1.5)		 39.1
(3.9)		 47.0
(8.3)		 53.5
(11.9)		 51.0
(10.6)		 41.7
(5.4)		 29.7
(−1.3)		 18.2
(−7.7)		 7.8
(−13.4)		 29.7
(−1.3)
Mean minimum °F (°C) −17.3
(−27.4)		 −8.5
(−22.5)		 1.8
(−16.8)		 17.1
(−8.3)		 26.2
(−3.2)		 35.8
(2.1)		 44.1
(6.7)		 40.5
(4.7)		 29.3
(−1.5)		 13.7
(−10.2)		 −2.5
(−19.2)		 −9.9
(−23.3)		 −19.5
(−28.6)
Record low °F (°C) −36
(−38)		 −36
(−38)		 −23
(−31)		 −1
(−18)		 12
(−11)		 28
(−2)		 27
(−3)		 31
(−1)		 12
(−11)		 −7
(−22)		 −22
(−30)		 −43
(−42)		 −43
(−42)
Average precipitation inches (mm) 0.47
(12)		 0.50
(13)		 0.49
(12)		 1.05
(27)		 1.88
(48)		 1.35
(34)		 0.72
(18)		 0.46
(12)		 1.07
(27)		 0.99
(25)		 0.68
(17)		 0.44
(11)		 10.10
(257)
Average snowfall inches (cm) 7.3
(19)		 6.4
(16)		 2.7
(6.9)		 1.4
(3.6)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.9
(2.3)		 3.9
(9.9)		 5.6
(14)		 28.2
(71.7)
Average precipitation days (≥ 0.01 in) 4.8 4.2 3.9 6.3 9.5 7.4 4.2 3.8 5.4 5.6 4.6 3.6 63.3
Average snowy days (≥ 0.1 in) 4.0 3.5 1.7 0.7 0.0 0.0 0.0 0.0 0.0 0.5 1.9 3.0 15.3
Source 1: NOAA[5]
Source 2: National Weather Service[4]

References
  1. "2010 City Population and Housing Occupancy Status". U.S. Census Bureau. Retrieved July 13, 2012.
  2. "Home". camp.ge-at.iastate.edu. Retrieved June 9, 2021.
  3. "2010 Wyoming Place Names". U.S. Census Bureau. Archived from the original on April 11, 2011. Retrieved July 13, 2012.
  4. "NOAA Online Weather Data". National Weather Service. Retrieved August 20, 2022.
  5. "U.S. Climate Normals Quick Access". National Oceanic and Atmospheric Administration. Retrieved August 20, 2022.
Old Shell Lodge in 2007
Brightly colored strata in the upper part of the Cloverly Formation near Shell.
Lower Shell Schoolhouse


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