Facility · California ·
Managed by the Smithsonian Institution Affiliations Program

33.86690, -118.06400 · 33°52'0.8"N 118°3'50.4"W
Typically 87°F in Aug, down to 68°F in Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 69 | 69 | 71 | 74 | 76 | 79 | 84 | 87 | 85 | 80 | 74 | 68 |
| Low °F | 46 | 48 | 52 | 54 | 58 | 63 | 66 | 66 | 65 | 58 | 51 | 46 |
| Precip in | 2.9 | 3.0 | 1.7 | 0.6 | 0.3 | 0.1 | 0.0 | 0.0 | 0.1 | 0.5 | 0.7 | 1.9 |
1991–2020 averages from the nearest NOAA station, 4.9 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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