Santiam Pass Threshold Days by Year (USC00357559)
14 fixed thresholds counted per year at Santiam Pass (USC00357559): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Santiam Pass Thresholds
- Santiam Pass: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1982 with 69.
- Santiam Pass: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1984 with 232.
- Santiam Pass: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 1978 with 36.
- Santiam Pass: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1970 with 82.
- 14 fixed thresholds have at least one qualifying day at Santiam Pass.
Days at or above 30 C (86 F)
19 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 3 | 4.3 |
| 1965 | 3 | 4.3 |
| 1966 | 2 | 4.3 |
| 1967 | 9 | 4.3 |
| 1968 | 7 | 4.3 |
| 1969 | 2 | 4.3 |
| 1970 | 7 | 5.9 |
| 1972 | 11 | 5.9 |
| 1973 | 2 | 5.9 |
| 1974 | 5 | 5.9 |
| 1975 | 2 | 5.9 |
| 1977 | 9 | 5.9 |
| 1978 | 7 | 5.9 |
| 1979 | 4 | 5.9 |
| 1980 | 5 | 4.2 |
| 1981 | 11 | 4.2 |
| 1982 | 1 | 4.2 |
| 1983 | 1 | 4.2 |
| 1984 | 3 | 4.2 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-07-11 | 1964-07-27 |
| 1965 | 1965-07-29 | 1965-07-31 |
| 1966 | 1966-07-29 | 1966-08-02 |
| 1967 | 1967-07-01 | 1967-08-19 |
| 1968 | 1968-07-03 | 1968-07-28 |
| 1969 | 1969-06-04 | 1969-07-23 |
| 1970 | 1970-06-02 | 1970-08-16 |
| 1972 | 1972-07-04 | 1972-08-28 |
| 1973 | 1973-07-27 | 1973-07-28 |
| 1974 | 1974-07-28 | 1974-08-04 |
| 1975 | 1975-07-09 | 1975-07-26 |
| 1977 | 1977-07-31 | 1977-08-20 |
| 1978 | 1978-07-22 | 1978-08-08 |
| 1979 | 1979-07-16 | 1979-07-19 |
| 1980 | 1980-07-21 | 1980-09-09 |
| 1981 | 1981-07-03 | 1981-09-18 |
| 1982 | 1982-07-30 | 1982-07-30 |
| 1983 | 1983-08-07 | 1983-08-07 |
| 1984 | 1984-07-17 | 1984-08-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 19 | 11 | 1972 | 3 |
| 35 C (95 F): Days | 1 | 2 | 1972 | 2 |
| 90 F (32.2 C): Days | 7 | 6 | 1967 | 4 |
| 0 C (32 F): Ice days (max | 21 | 69 | 1982 | 44 |
| 0 C (32 F): Frost days (min | 21 | 232 | 1984 | 232 |
| -10 C (14 F): Days with min | 21 | 36 | 1978 | 21 |
| -20 C (-4 F): Days with min | 12 | 7 | 1972 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 21 | 82 | 1970 | 80 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 40 | 1970 | 26 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 11 | 1964 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 21 | 56 | 1964 | 51 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 21 | 24 | 1964 | 14 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 14 | 7 | 1964 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).