Jackson Threshold Days by Year
15 fixed thresholds counted per year at Jackson (USC00154196): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jackson Thresholds
- Jackson: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1975 with 56.
- Jackson: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1942 with 19.
- Jackson: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1938 with 5.
- Jackson: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1905 with 105.
- 15 fixed thresholds have at least one qualifying day at Jackson.
Days at or above 30 C (86 F)
27 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1903 | 58 | 82.3 |
| 1904 | 66 | 82.3 |
| 1905 | 105 | 82.3 |
| 1906 | 100 | 82.3 |
| 1923 | 49 | 49 |
| 1962 | 71 | 65.1 |
| 1963 | 51 | 65.1 |
| 1964 | 73 | 65.1 |
| 1965 | 76 | 65.1 |
| 1966 | 70 | 65.1 |
| 1967 | 38 | 65.1 |
| 1968 | 61 | 65.1 |
| 1969 | 81 | 65.1 |
| 1970 | 98 | 82.9 |
| 1971 | 90 | 82.9 |
| 1972 | 73 | 82.9 |
| 1973 | 84 | 82.9 |
| 1974 | 73 | 82.9 |
| 1975 | 87 | 82.9 |
| 1976 | 67 | 82.9 |
| 1977 | 96 | 82.9 |
| 1978 | 88 | 82.9 |
| 1979 | 73 | 82.9 |
| 1980 | 98 | 92 |
| 1981 | 94 | 92 |
| 1982 | 86 | 92 |
| 1983 | 90 | 92 |
| Year | First date | Last date |
|---|---|---|
| 1903 | 1903-05-16 | 1903-10-04 |
| 1904 | 1904-05-25 | 1904-10-19 |
| 1905 | 1905-04-02 | 1905-10-10 |
| 1906 | 1906-04-12 | 1906-10-23 |
| 1923 | 1923-05-15 | 1923-09-26 |
| 1962 | 1962-05-01 | 1962-09-14 |
| 1963 | 1963-04-02 | 1963-10-25 |
| 1964 | 1964-04-18 | 1964-09-17 |
| 1965 | 1965-04-12 | 1965-09-23 |
| 1966 | 1966-05-09 | 1966-09-05 |
| 1967 | 1967-03-14 | 1967-09-21 |
| 1968 | 1968-06-06 | 1968-09-25 |
| 1969 | 1969-04-18 | 1969-10-14 |
| 1970 | 1970-04-20 | 1970-10-14 |
| 1971 | 1971-04-19 | 1971-10-31 |
| 1972 | 1972-04-19 | 1972-09-26 |
| 1973 | 1973-03-15 | 1973-10-05 |
| 1974 | 1974-04-02 | 1974-09-14 |
| 1975 | 1975-05-07 | 1975-10-15 |
| 1976 | 1976-03-05 | 1976-09-14 |
| 1977 | 1977-04-11 | 1977-11-05 |
| 1978 | 1978-04-03 | 1978-09-22 |
| 1979 | 1979-04-21 | 1979-10-23 |
| 1980 | 1980-04-23 | 1980-10-11 |
| 1981 | 1981-04-01 | 1981-10-02 |
| 1982 | 1982-03-19 | 1982-10-09 |
| 1983 | 1983-05-08 | 1983-10-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 27 | 105 | 1905 | 90 |
| 35 C (95 F): Days | 22 | 28 | 1980 | 23 |
| 90 F (32.2 C): Days | 27 | 72 | 1980 | 70 |
| 100 F (37.8 C): Days | 3 | 4 | 1983 | 4 |
| 0 C (32 F): Ice days (max | 27 | 29 | 1977 | 11 |
| 0 C (32 F): Frost days (min | 27 | 141 | 1976 | 102 |
| -10 C (14 F): Days with min | 27 | 41 | 1968 | 9 |
| -20 C (-4 F): Days with min | 15 | 6 | 1970 | 2 |
| 20 C (68 F): Tropical nights (min | 27 | 56 | 1906 | 33 |
| 25 C (77 F): Days with min | 2 | 5 | 1905 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 56 | 1975 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 19 | 1942 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 41 | 5 | 1938 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1923 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 10 | 4 | 1966 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.
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).