Boysen State Park
Picnic area beneath mountains
Boysen State Park is located in Wyoming
Boysen State Park
Boysen State Park
Location in Wyoming
LocationFremont County, Wyoming, United States
Coordinates43°19′8″N 108°11′2″W / 43.31889°N 108.18389°W / 43.31889; -108.18389[1]
Area35,952 acres (14,549 ha)[2]
Elevation4,728 ft (1,441 m)[1]
Established1956
Administered byWyoming State Parks, Historic Sites & Trails
DesignationWyoming state park
Named forAsmus Boysen
WebsiteOfficial website Edit this at Wikidata

Boysen State Park is a public recreation area surrounding the Boysen Reservoir, an impoundment of the north-flowing Wind River, in Fremont County, Wyoming. The state park covers more than 35,000 acres (14,000 ha) at the south end of the Owl Creek Mountains at the mouth of the Wind River Canyon.[3]

History

The park was established in 1956 following completion of the Boysen Dam in 1951. It is named for Asmus Boysen, who built the site's first dam in 1908. Part of the original dam can still be seen.[3]

Climate

According to the Köppen Climate Classification system, Boysen Dam has a cold semi-arid climate, abbreviated "BSk" on climate maps. The hottest temperature recorded at Boysen Dam was 108 °F (42 °C) on July 4, 1954, while the coldest temperature recorded was −39 °F (−39 °C) on January 31, 1979.[4]

Climate data for Boysen Dam, Wyoming, 1991–2020 normals, extremes 1948–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 70
(21)		 69
(21)		 77
(25)		 88
(31)		 97
(36)		 103
(39)		 108
(42)		 104
(40)		 100
(38)		 89
(32)		 71
(22)		 65
(18)		 108
(42)
Mean maximum °F (°C) 48.9
(9.4)		 55.5
(13.1)		 67.8
(19.9)		 77.9
(25.5)		 86.2
(30.1)		 94.3
(34.6)		 100.1
(37.8)		 97.8
(36.6)		 92.4
(33.6)		 80.3
(26.8)		 63.6
(17.6)		 52.0
(11.1)		 100.4
(38.0)
Mean daily maximum °F (°C) 29.7
(−1.3)		 37.2
(2.9)		 50.4
(10.2)		 58.7
(14.8)		 68.7
(20.4)		 80.8
(27.1)		 90.5
(32.5)		 88.5
(31.4)		 76.5
(24.7)		 60.4
(15.8)		 44.4
(6.9)		 31.3
(−0.4)		 59.8
(15.4)
Daily mean °F (°C) 17.5
(−8.1)		 24.0
(−4.4)		 36.8
(2.7)		 45.7
(7.6)		 55.7
(13.2)		 66.3
(19.1)		 75.1
(23.9)		 73.0
(22.8)		 61.8
(16.6)		 47.5
(8.6)		 33.2
(0.7)		 20.1
(−6.6)		 46.4
(8.0)
Mean daily minimum °F (°C) 5.4
(−14.8)		 10.7
(−11.8)		 23.3
(−4.8)		 32.7
(0.4)		 42.7
(5.9)		 51.8
(11.0)		 59.7
(15.4)		 57.4
(14.1)		 47.1
(8.4)		 34.5
(1.4)		 22.1
(−5.5)		 8.9
(−12.8)		 33.0
(0.6)
Mean minimum °F (°C) −11.7
(−24.3)		 −8.1
(−22.3)		 −5.3
(−20.7)		 19.2
(−7.1)		 30.2
(−1.0)		 40.7
(4.8)		 51.2
(10.7)		 48.0
(8.9)		 35.3
(1.8)		 20.4
(−6.4)		 6.6
(−14.1)		 −8.1
(−22.3)		 −16.4
(−26.9)
Record low °F (°C) −39
(−39)		 −36
(−38)		 −21
(−29)		 2
(−17)		 20
(−7)		 27
(−3)		 41
(5)		 38
(3)		 16
(−9)		 −3
(−19)		 −15
(−26)		 −36
(−38)		 −39
(−39)
Average precipitation inches (mm) 0.22
(5.6)		 0.32
(8.1)		 0.57
(14)		 1.10
(28)		 2.08
(53)		 1.01
(26)		 0.75
(19)		 0.46
(12)		 0.96
(24)		 0.90
(23)		 0.28
(7.1)		 0.37
(9.4)		 9.02
(229.2)
Average snowfall inches (cm) 2.8
(7.1)		 3.2
(8.1)		 3.8
(9.7)		 1.3
(3.3)		 0.1
(0.25)		 0.0
(0.0)		 0.0
(0.0)		 0.0
(0.0)		 0.1
(0.25)		 0.8
(2.0)		 1.8
(4.6)		 2.2
(5.6)		 16.1
(40.9)
Average precipitation days (≥ 0.01 in) 2.9 3.5 4.1 5.9 8.1 5.9 5.0 4.1 4.8 4.3 3.3 3.7 55.6
Average snowy days (≥ 0.1 in) 1.8 2.1 2.0 0.9 0.1 0.0 0.0 0.0 0.1 0.8 1.3 2.0 11.1
Source 1: NOAA[5]
Source 2: National Weather Service[4]

Activities and amenities

The park offers multiple campgrounds, boat launches, and a privately operated marina. Game fish found in the reservoir include walleye, sauger, perch, crappie, ling, rainbow, cutthroat, and brown trout.[3]

References

  1. 1 2 "Boysen Reservoir". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  2. ↑ "Table 1. Facilities managed by Wyoming State Parks, Historic Sites and Trails" (PDF). SOAR 2021. Wyoming Department of State Parks and Cultural Resources. p. 12. Retrieved March 15, 2017.
  3. 1 2 3 "Boysen State Park". Wyoming State Parks, Historic Sites & Trails. State of Wyoming. Retrieved January 22, 2023.
  4. 1 2 "NOAA Online Weather Data". National Weather Service. Retrieved August 17, 2022.
  5. ↑ "U.S. Climate Normals Quick Access". National Oceanic and Atmospheric Administration. Retrieved August 17, 2022.
Wikimedia Commons has media related to
Boysen State Park.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.