Opaeula 870 Threshold Days by Year
9 fixed thresholds counted per year at Opaeula 870 (USC00517150): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Opaeula 870 Thresholds
- Opaeula 870: nights with a minimum temperature at or above 20 C (68 F) in 30 years, most in 1980 with 122.
- Opaeula 870: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1968 with 57.
- Opaeula 870: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1954 with 43.
- Opaeula 870: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1951 with 17.
- 9 fixed thresholds have at least one qualifying day at Opaeula 870.
Days at or above 30 C (86 F)
26 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1950 | 1 | 2.6 |
| 1951 | 5 | 2.6 |
| 1954 | 2 | 2.6 |
| 1955 | 1 | 2.6 |
| 1956 | 1 | 2.6 |
| 1957 | 6 | 2.6 |
| 1959 | 2 | 2.6 |
| 1960 | 3 | 12.1 |
| 1961 | 2 | 12.1 |
| 1962 | 3 | 12.1 |
| 1963 | 1 | 12.1 |
| 1964 | 3 | 12.1 |
| 1965 | 7 | 12.1 |
| 1966 | 9 | 12.1 |
| 1967 | 20 | 12.1 |
| 1968 | 57 | 12.1 |
| 1969 | 16 | 12.1 |
| 1970 | 7 | 13.8 |
| 1971 | 4 | 13.8 |
| 1972 | 3 | 13.8 |
| 1973 | 36 | 13.8 |
| 1978 | 5 | 13.8 |
| 1979 | 28 | 13.8 |
| 1980 | 44 | 23.7 |
| 1981 | 24 | 23.7 |
| 1985 | 3 | 23.7 |
| Year | First date | Last date |
|---|---|---|
| 1950 | 1950-09-28 | 1950-09-28 |
| 1951 | 1951-06-21 | 1951-09-17 |
| 1954 | 1954-09-23 | 1954-10-03 |
| 1955 | 1955-10-18 | 1955-10-18 |
| 1956 | 1956-10-21 | 1956-10-21 |
| 1957 | 1957-08-12 | 1957-10-28 |
| 1959 | 1959-07-26 | 1959-10-05 |
| 1960 | 1960-08-12 | 1960-10-03 |
| 1961 | 1961-09-07 | 1961-09-18 |
| 1962 | 1962-06-24 | 1962-10-31 |
| 1963 | 1963-09-23 | 1963-09-23 |
| 1964 | 1964-06-01 | 1964-09-05 |
| 1965 | 1965-09-06 | 1965-10-07 |
| 1966 | 1966-05-15 | 1966-11-19 |
| 1967 | 1967-05-17 | 1967-11-18 |
| 1968 | 1968-06-01 | 1968-12-08 |
| 1969 | 1969-06-08 | 1969-11-03 |
| 1970 | 1970-03-12 | 1970-10-15 |
| 1971 | 1971-08-02 | 1971-09-06 |
| 1972 | 1972-01-17 | 1972-10-15 |
| 1973 | 1973-08-14 | 1973-12-23 |
| 1978 | 1978-01-04 | 1978-10-29 |
| 1979 | 1979-05-30 | 1979-10-26 |
| 1980 | 1980-02-09 | 1980-12-12 |
| 1981 | 1981-01-07 | 1981-11-04 |
| 1985 | 1985-08-19 | 1985-08-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 26 | 57 | 1968 | 3 |
| 90 F (32.2 C): Days | 8 | 14 | 1980 | 1 |
| 20 C (68 F): Tropical nights (min | 30 | 122 | 1980 | 45 |
| 25 C (77 F): Days with min | 1 | 1 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 12 | 43 | 1954 | 34 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 12 | 17 | 1951 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 10 | 1963 | 10 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 4 | 1955 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1956 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.
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 (2025-12-31).