Haleakala Rs 338 Threshold Days by Year
6 fixed thresholds counted per year at Haleakala Rs 338 (USC00511004): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Haleakala Rs 338 Thresholds
- Haleakala Rs 338: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1982 with 55.
- Haleakala Rs 338: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1990 with 29.
- Haleakala Rs 338: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1982 with 18.
- Haleakala Rs 338: days with 100 mm (3.94 in) or more of precipitation in 49 years, most in 1980 with 6.
- 6 fixed thresholds have at least one qualifying day at Haleakala Rs 338.
Nights at or below 0 C (32 F)
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 1 | 4.3 |
| 1947 | 8 | 4.3 |
| 1949 | 4 | 4.3 |
| 1952 | 1 | 2.3 |
| 1954 | 2 | 2.3 |
| 1955 | 4 | 2.3 |
| 1958 | 2 | 2.3 |
| 1962 | 4 | 3.3 |
| 1963 | 2 | 3.3 |
| 1964 | 1 | 3.3 |
| 1965 | 7 | 3.3 |
| 1966 | 3 | 3.3 |
| 1967 | 1 | 3.3 |
| 1968 | 1 | 3.3 |
| 1969 | 7 | 3.3 |
| 1971 | 2 | 2.3 |
| 1972 | 2 | 2.3 |
| 1973 | 4 | 2.3 |
| 1974 | 1 | 2.3 |
| 1975 | 3 | 2.3 |
| 1976 | 3 | 2.3 |
| 1978 | 1 | 2.3 |
| 1979 | 2 | 2.3 |
| 1980 | 2 | 3.4 |
| 1981 | 2 | 3.4 |
| 1982 | 4 | 3.4 |
| 1983 | 2 | 3.4 |
| 1985 | 7 | 3.4 |
| 1990 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-02-22 | 1944-02-22 |
| 1947 | 1947-01-01 | 1947-12-14 |
| 1949 | 1949-01-31 | 1949-11-16 |
| 1952 | 1952-02-20 | 1952-02-20 |
| 1954 | 1954-03-06 | 1954-12-17 |
| 1955 | 1955-02-09 | 1955-03-07 |
| 1958 | 1958-03-14 | 1958-04-25 |
| 1962 | 1962-02-18 | 1962-12-22 |
| 1963 | 1963-10-10 | 1963-12-30 |
| 1964 | 1964-02-18 | 1964-02-18 |
| 1965 | 1965-01-30 | 1965-03-25 |
| 1966 | 1966-01-28 | 1966-04-02 |
| 1967 | 1967-01-07 | 1967-01-07 |
| 1968 | 1968-12-26 | 1968-12-26 |
| 1969 | 1969-01-16 | 1969-01-25 |
| 1971 | 1971-01-08 | 1971-01-30 |
| 1972 | 1972-02-01 | 1972-02-20 |
| 1973 | 1973-02-02 | 1973-04-05 |
| 1974 | 1974-11-15 | 1974-11-15 |
| 1975 | 1975-01-28 | 1975-07-27 |
| 1976 | 1976-02-01 | 1976-11-08 |
| 1978 | 1978-12-16 | 1978-12-16 |
| 1979 | 1979-02-12 | 1979-03-24 |
| 1980 | 1980-01-23 | 1980-01-24 |
| 1981 | 1981-02-09 | 1981-05-02 |
| 1982 | 1982-01-20 | 1982-12-08 |
| 1983 | 1983-02-03 | 1983-12-08 |
| 1985 | 1985-01-15 | 1985-11-27 |
| 1990 | 1990-02-19 | 1990-02-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Frost days (min | 29 | 8 | 1947 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 71 | 55 | 1982 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 71 | 29 | 1990 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 67 | 18 | 1982 | 10 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 49 | 6 | 1980 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 14 | 4 | 1980 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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 (2026-10-12).