Lucas Heights (Ansto) Threshold Days by Year
13 fixed thresholds counted per year at Lucas Heights (Ansto) (ASN00066078): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Lucas Heights (Ansto) Thresholds
- Lucas Heights (Ansto): days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 2022 with 60.
- Lucas Heights (Ansto): days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 2022 with 25.
- Lucas Heights (Ansto): days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1974 with 11.
- Lucas Heights (Ansto): days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 1975 with 3.
- 13 fixed thresholds have at least one qualifying day at Lucas Heights (Ansto).
Days at or above 30 C (86 F)
19 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1962 | 9 | 24.3 |
| 1963 | 21 | 24.3 |
| 1964 | 31 | 24.3 |
| 1965 | 32 | 24.3 |
| 1966 | 27 | 24.3 |
| 1967 | 26 | 24.3 |
| 1970 | 22 | 21.9 |
| 1971 | 15 | 21.9 |
| 1972 | 18 | 21.9 |
| 1973 | 22 | 21.9 |
| 1974 | 13 | 21.9 |
| 1975 | 23 | 21.9 |
| 1976 | 14 | 21.9 |
| 1977 | 38 | 21.9 |
| 1978 | 25 | 21.9 |
| 1979 | 29 | 21.9 |
| 1980 | 36 | 29 |
| 1981 | 23 | 29 |
| 1982 | 28 | 29 |
| Year | First date | Last date |
|---|---|---|
| 1962 | 1962-02-07 | 1962-12-11 |
| 1963 | 1963-01-03 | 1963-12-29 |
| 1964 | 1964-01-03 | 1964-12-28 |
| 1965 | 1965-01-02 | 1965-12-31 |
| 1966 | 1966-01-11 | 1966-12-26 |
| 1967 | 1967-01-09 | 1967-12-30 |
| 1970 | 1970-01-11 | 1970-12-23 |
| 1971 | 1971-01-09 | 1971-12-30 |
| 1972 | 1972-01-12 | 1972-12-30 |
| 1973 | 1973-01-03 | 1973-12-28 |
| 1974 | 1974-01-21 | 1974-12-28 |
| 1975 | 1975-01-02 | 1975-12-29 |
| 1976 | 1976-01-30 | 1976-12-29 |
| 1977 | 1977-01-01 | 1977-12-27 |
| 1978 | 1978-01-06 | 1978-12-22 |
| 1979 | 1979-01-01 | 1979-12-23 |
| 1980 | 1980-01-11 | 1980-12-21 |
| 1981 | 1981-01-01 | 1981-12-19 |
| 1982 | 1982-01-01 | 1982-12-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 19 | 38 | 1977 | 28 |
| 35 C (95 F): Days | 18 | 12 | 1979 | 7 |
| 40 C (104 F): Days | 5 | 3 | 1979 | 2 |
| 90 F (32.2 C): Days | 19 | 25 | 1980 | 16 |
| 100 F (37.8 C): Days | 12 | 6 | 1979 | 3 |
| 0 C (32 F): Frost days (min | 1 | 1 | 1978 | 1 |
| 20 C (68 F): Tropical nights (min | 19 | 23 | 1981 | 20 |
| 25 C (77 F): Days with min | 2 | 1 | 1973 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 54 | 60 | 2022 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 54 | 25 | 2022 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 50 | 11 | 1974 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 29 | 3 | 1975 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1991 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-16).