Powder River Pass (el. 9,666 ft or 2,946 m) is a mountain pass in the Bighorn Mountains in Wyoming traversed by U.S. Highway 16 (US 16).[1] Also known as Muddy Pass, it is the highest point on US 16.[1] It is between the towns of Buffalo and Ten Sleep.[2]
Powder River Pass has a subarctic climate (Köppen Dfc).
| Climate data for Powder River Pass, Wyoming, 1991–2020 normals: 9480ft (2890m) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 25.6 (−3.6) |
26.9 (−2.8) |
34.5 (1.4) |
39.9 (4.4) |
48.1 (8.9) |
57.7 (14.3) |
66.9 (19.4) |
65.5 (18.6) |
55.3 (12.9) |
42.0 (5.6) |
31.6 (−0.2) |
24.6 (−4.1) |
43.2 (6.2) |
| Daily mean °F (°C) | 17.1 (−8.3) |
17.4 (−8.1) |
24.1 (−4.4) |
29.5 (−1.4) |
38.3 (3.5) |
46.9 (8.3) |
55.0 (12.8) |
53.8 (12.1) |
45.1 (7.3) |
33.3 (0.7) |
23.2 (−4.9) |
16.4 (−8.7) |
33.3 (0.7) |
| Mean daily minimum °F (°C) | 8.7 (−12.9) |
7.8 (−13.4) |
13.7 (−10.2) |
19.0 (−7.2) |
28.4 (−2.0) |
36.2 (2.3) |
43.1 (6.2) |
42.2 (5.7) |
34.9 (1.6) |
24.5 (−4.2) |
14.8 (−9.6) |
8.3 (−13.2) |
23.5 (−4.7) |
| Average precipitation inches (mm) | 1.92 (49) |
2.04 (52) |
2.37 (60) |
3.36 (85) |
3.81 (97) |
3.13 (80) |
1.53 (39) |
1.26 (32) |
1.99 (51) |
2.34 (59) |
1.83 (46) |
1.69 (43) |
27.27 (693) |
| Source 1: XMACIS2[3] | |||||||||||||
| Source 2: NOAA (Precipitation)[4] | |||||||||||||
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