| Highest temperature: | 119 F | Pendleton | July 29, 1898 |
| Lowest temperature: | -54 F | Ukiah Seneca | Feb 9, 1933 Feb 10, 1933 |
| Wettest day: | 11.65 inches | Port Orford 5E** | Nov 19, 1996 |
| Wettest month: | 52.78 inches | Glenora | Dec 1917 |
| Wettest year: | 204.12 inches | Laurel Mountain | 1996 |
| Driest year: | 3.33 inches | Warm Springs Reservoir | 1939 |
| Greatest 1-day snowfall: | 39 inches | Bonneville Dam | Jan 1980 |
| Greatest 1-month snowfall: | 313 inches | Crater Lake | Jan 1950 |
| Greatest annual snowfall: | 903 inches | Crater Lake | 1950 |
| Highest wind speed: | 131 mph | Mt. Hebo | Oct 12, 1962 |
| Lowest pressure: | 28.51 inches | Astoria | Dec 12, 1995 |
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