Timpanogos Cave Threshold Days by Year (USC00428733)
15 fixed thresholds counted per year at Timpanogos Cave (USC00428733): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Timpanogos Cave Thresholds
- Timpanogos Cave: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1982 with 40.
- Timpanogos Cave: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 2017 with 12.
- Timpanogos Cave: nights with a minimum temperature at or below 0 C (32 F) in 53 years, most in 1979 with 170.
- Timpanogos Cave: nights with a minimum temperature at or below -10 C (14 F) in 53 years, most in 1949 with 43.
- 15 fixed thresholds have at least one qualifying day at Timpanogos Cave.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1947 | 38 | 43.3 |
| 1948 | 50 | 43.3 |
| 1949 | 42 | 43.3 |
| 1950 | 33 | 49 |
| 1951 | 33 | 49 |
| 1952 | 45 | 49 |
| 1953 | 51 | 49 |
| 1954 | 43 | 49 |
| 1955 | 49 | 49 |
| 1956 | 58 | 49 |
| 1957 | 49 | 49 |
| 1958 | 69 | 49 |
| 1959 | 60 | 49 |
| 1960 | 55 | 53.2 |
| 1961 | 54 | 53.2 |
| 1962 | 42 | 53.2 |
| 1963 | 52 | 53.2 |
| 1964 | 44 | 53.2 |
| 1965 | 26 | 53.2 |
| 1966 | 48 | 53.2 |
| 1967 | 71 | 53.2 |
| 1968 | 58 | 53.2 |
| 1969 | 82 | 53.2 |
| 1970 | 71 | 75.3 |
| 1971 | 78 | 75.3 |
| 1972 | 74 | 75.3 |
| 1973 | 69 | 75.3 |
| 1974 | 100 | 75.3 |
| 1975 | 48 | 75.3 |
| 1976 | 73 | 75.3 |
| 1977 | 84 | 75.3 |
| 1978 | 68 | 75.3 |
| 1979 | 88 | 75.3 |
| 1981 | 82 | 68.3 |
| 1982 | 64 | 68.3 |
| 1984 | 54 | 68.3 |
| 1985 | 68 | 68.3 |
| 1986 | 60 | 68.3 |
| 1987 | 62 | 68.3 |
| 1988 | 87 | 68.3 |
| 1989 | 69 | 68.3 |
| 1990 | 83 | 77 |
| 1991 | 58 | 77 |
| 1992 | 61 | 77 |
| 1994 | 101 | 77 |
| 1995 | 72 | 77 |
| 1996 | 87 | 77 |
| 2007 | 67 | 67 |
| 2016 | 57 | 60.3 |
| 2017 | 61 | 60.3 |
| 2018 | 63 | 60.3 |
| Year | First date | Last date |
|---|---|---|
| 1947 | 1947-05-02 | 1947-09-25 |
| 1948 | 1948-05-16 | 1948-09-14 |
| 1949 | 1949-06-21 | 1949-09-27 |
| 1950 | 1950-06-21 | 1950-09-06 |
| 1951 | 1951-05-27 | 1951-09-06 |
| 1952 | 1952-06-06 | 1952-09-07 |
| 1953 | 1953-06-10 | 1953-09-14 |
| 1954 | 1954-05-19 | 1954-09-05 |
| 1955 | 1955-06-20 | 1955-09-14 |
| 1956 | 1956-05-31 | 1956-09-19 |
| 1957 | 1957-06-04 | 1957-09-29 |
| 1958 | 1958-05-19 | 1958-09-11 |
| 1959 | 1959-06-05 | 1959-09-10 |
| 1960 | 1960-06-06 | 1960-09-12 |
| 1961 | 1961-06-08 | 1961-08-28 |
| 1962 | 1962-06-19 | 1962-09-19 |
| 1963 | 1963-06-27 | 1963-09-12 |
| 1964 | 1964-06-25 | 1964-08-25 |
| 1965 | 1965-06-22 | 1965-08-28 |
| 1966 | 1966-06-18 | 1966-09-23 |
| 1967 | 1967-05-22 | 1967-09-21 |
| 1968 | 1968-05-29 | 1968-09-10 |
| 1969 | 1969-05-23 | 1969-09-28 |
| 1970 | 1970-05-17 | 1970-09-04 |
| 1971 | 1971-05-02 | 1971-09-13 |
| 1972 | 1972-05-15 | 1972-09-17 |
| 1973 | 1973-05-18 | 1973-09-06 |
| 1974 | 1974-05-09 | 1974-09-26 |
| 1975 | 1975-06-06 | 1975-09-09 |
| 1976 | 1976-05-14 | 1976-09-06 |
| 1977 | 1977-05-31 | 1977-09-10 |
| 1978 | 1978-06-12 | 1978-09-07 |
| 1979 | 1979-06-04 | 1979-10-08 |
| 1981 | 1981-05-01 | 1981-09-18 |
| 1982 | 1982-06-21 | 1982-09-09 |
| 1984 | 1984-05-13 | 1984-09-19 |
| 1985 | 1985-06-07 | 1985-09-02 |
| 1986 | 1986-05-31 | 1986-09-07 |
| 1987 | 1987-06-04 | 1987-09-25 |
| 1988 | 1988-05-15 | 1988-09-09 |
| 1989 | 1989-05-07 | 1989-10-09 |
| 1990 | 1990-06-04 | 1990-09-16 |
| 1991 | 1991-06-10 | 1991-09-05 |
| 1992 | 1992-05-05 | 1992-10-01 |
| 1994 | 1994-05-30 | 1994-09-29 |
| 1995 | 1995-06-12 | 1995-09-16 |
| 1996 | 1996-05-12 | 1996-09-09 |
| 2007 | 2007-06-04 | 2007-09-04 |
| 2016 | 2016-06-05 | 2016-09-19 |
| 2017 | 2017-06-04 | 2017-09-11 |
| 2018 | 2018-06-04 | 2018-09-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 101 | 1994 | 63 |
| 35 C (95 F): Days | 45 | 43 | 1974 | 7 |
| 40 C (104 F): Days | 5 | 3 | 1996 | 3 |
| 90 F (32.2 C): Days | 51 | 83 | 1974 | 38 |
| 100 F (37.8 C): Days | 20 | 12 | 1994 | 7 |
| 0 C (32 F): Ice days (max | 51 | 60 | 1985 | 26 |
| 0 C (32 F): Frost days (min | 53 | 170 | 1979 | 131 |
| -10 C (14 F): Days with min | 53 | 43 | 1949 | 15 |
| -20 C (-4 F): Days with min | 16 | 6 | 1949 | 5 |
| 20 C (68 F): Tropical nights (min | 16 | 5 | 2018 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 40 | 1982 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 12 | 2017 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 2 | 1949 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 50 | 19 | 1949 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 28 | 4 | 1967 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.
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).