Powder River Pass
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). Also known as Muddy Pass, it is the highest point on US 16. It is between the towns of Buffalo and Ten Sleep.
Climate
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 | |||||||||||||
| Source 2: NOAA (Precipitation) | |||||||||||||