Audubon Threshold Days by Year (USC00280346)
18 fixed thresholds counted per year at Audubon (USC00280346): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Audubon Thresholds
- Audubon: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1958 with 48.
- Audubon: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1962 with 21.
- Audubon: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1959 with 90.
- Audubon: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1959 with 51.
- 18 fixed thresholds have at least one qualifying day at Audubon.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1954 | 57 | 63.3 |
| 1955 | 58 | 63.3 |
| 1956 | 50 | 63.3 |
| 1957 | 74 | 63.3 |
| 1958 | 51 | 63.3 |
| 1959 | 90 | 63.3 |
| 1960 | 51 | 58.9 |
| 1961 | 63 | 58.9 |
| 1962 | 56 | 58.9 |
| 1963 | 56 | 58.9 |
| 1964 | 48 | 58.9 |
| 1965 | 66 | 58.9 |
| 1966 | 73 | 58.9 |
| 1967 | 51 | 58.9 |
| 1968 | 65 | 58.9 |
| 1969 | 60 | 58.9 |
| 1970 | 75 | 55.5 |
| 1971 | 68 | 55.5 |
| 1972 | 45 | 55.5 |
| 1973 | 62 | 55.5 |
| 1974 | 56 | 55.5 |
| 1975 | 54 | 55.5 |
| 1976 | 54 | 55.5 |
| 1977 | 57 | 55.5 |
| 1978 | 47 | 55.5 |
| 1979 | 37 | 55.5 |
| 1980 | 70 | 51.1 |
| 1981 | 35 | 51.1 |
| 1982 | 39 | 51.1 |
| 1983 | 70 | 51.1 |
| 1984 | 42 | 51.1 |
| 1985 | 45 | 51.1 |
| 1986 | 57 | 51.1 |
| 1987 | 58 | 51.1 |
| 1988 | 59 | 51.1 |
| 1989 | 36 | 51.1 |
| Year | First date | Last date |
|---|---|---|
| 1954 | 1954-05-31 | 1954-10-13 |
| 1955 | 1955-05-05 | 1955-08-30 |
| 1956 | 1956-05-13 | 1956-09-23 |
| 1957 | 1957-04-21 | 1957-09-22 |
| 1958 | 1958-05-31 | 1958-10-10 |
| 1959 | 1959-04-09 | 1959-10-09 |
| 1960 | 1960-04-23 | 1960-09-09 |
| 1961 | 1961-04-25 | 1961-09-25 |
| 1962 | 1962-04-26 | 1962-10-12 |
| 1963 | 1963-04-03 | 1963-09-20 |
| 1964 | 1964-05-08 | 1964-09-23 |
| 1965 | 1965-05-03 | 1965-09-24 |
| 1966 | 1966-05-21 | 1966-09-11 |
| 1967 | 1967-06-02 | 1967-10-05 |
| 1968 | 1968-06-06 | 1968-10-03 |
| 1969 | 1969-04-27 | 1969-09-17 |
| 1970 | 1970-04-29 | 1970-09-26 |
| 1971 | 1971-05-19 | 1971-09-16 |
| 1972 | 1972-05-24 | 1972-09-26 |
| 1973 | 1973-06-04 | 1973-09-07 |
| 1974 | 1974-04-29 | 1974-09-13 |
| 1975 | 1975-05-20 | 1975-08-29 |
| 1976 | 1976-04-16 | 1976-09-14 |
| 1977 | 1977-04-12 | 1977-09-19 |
| 1978 | 1978-05-20 | 1978-09-12 |
| 1979 | 1979-05-09 | 1979-09-04 |
| 1980 | 1980-05-05 | 1980-09-23 |
| 1981 | 1981-05-25 | 1981-09-14 |
| 1982 | 1982-06-16 | 1982-09-12 |
| 1983 | 1983-04-28 | 1983-09-20 |
| 1984 | 1984-05-22 | 1984-09-24 |
| 1985 | 1985-04-19 | 1985-09-20 |
| 1986 | 1986-05-06 | 1986-10-01 |
| 1987 | 1987-05-10 | 1987-09-11 |
| 1988 | 1988-05-23 | 1988-08-28 |
| 1989 | 1989-05-19 | 1989-09-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 90 | 1959 | 36 |
| 35 C (95 F): Days | 29 | 19 | 1955 | 15 |
| 40 C (104 F): Days | 1 | 1 | 1966 | 1 |
| 90 F (32.2 C): Days | 36 | 51 | 1959 | 15 |
| 100 F (37.8 C): Days | 9 | 4 | 1955 | 2 |
| 0 C (32 F): Ice days (max | 36 | 27 | 1958 | 17 |
| 0 C (32 F): Frost days (min | 36 | 114 | 1960 | 95 |
| -10 C (14 F): Days with min | 35 | 22 | 1963 | 12 |
| -20 C (-4 F): Days with min | 3 | 1 | 1979 | 1 |
| 20 C (68 F): Tropical nights (min | 36 | 52 | 1987 | 51 |
| 25 C (77 F): Days with min | 11 | 4 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 48 | 1958 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 21 | 1962 | 17 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 6 | 1966 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 2 | 1962 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 36 | 6 | 1969 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 2 | 1958 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1983 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.
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).