Duki Threshold Days by Year (RSM00031482)
12 fixed thresholds counted per year at Duki (RSM00031482): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Duki Thresholds
- Duki: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1972 with 33.
- Duki: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1984 with 9.
- Duki: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1980 with 31.
- Duki: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 1981 with 155.
- 12 fixed thresholds have at least one qualifying day at Duki.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1969 | 8 | 8 |
| 1970 | 15 | 10.7 |
| 1973 | 7 | 10.7 |
| 1975 | 15 | 10.7 |
| 1976 | 4 | 10.7 |
| 1977 | 13 | 10.7 |
| 1978 | 14 | 10.7 |
| 1979 | 7 | 10.7 |
| 1980 | 31 | 14.7 |
| 1981 | 7 | 14.7 |
| 1982 | 16 | 14.7 |
| 1983 | 15 | 14.7 |
| 1984 | 10 | 14.7 |
| 1985 | 5 | 14.7 |
| 1986 | 17 | 14.7 |
| 1987 | 9 | 14.7 |
| 1988 | 24 | 14.7 |
| 1989 | 13 | 14.7 |
| 1990 | 16 | 10 |
| 1991 | 4 | 10 |
| Year | First date | Last date |
|---|---|---|
| 1969 | 1969-06-22 | 1969-07-20 |
| 1970 | 1970-07-02 | 1970-08-24 |
| 1973 | 1973-05-24 | 1973-08-07 |
| 1975 | 1975-05-27 | 1975-08-20 |
| 1976 | 1976-07-18 | 1976-07-21 |
| 1977 | 1977-05-12 | 1977-08-30 |
| 1978 | 1978-06-07 | 1978-08-18 |
| 1979 | 1979-05-23 | 1979-08-11 |
| 1980 | 1980-06-19 | 1980-08-07 |
| 1981 | 1981-05-20 | 1981-07-24 |
| 1982 | 1982-06-21 | 1982-08-26 |
| 1983 | 1983-07-04 | 1983-08-16 |
| 1984 | 1984-05-21 | 1984-08-07 |
| 1985 | 1985-07-01 | 1985-08-01 |
| 1986 | 1986-06-04 | 1986-08-22 |
| 1987 | 1987-06-01 | 1987-08-17 |
| 1988 | 1988-06-24 | 1988-08-12 |
| 1989 | 1989-06-01 | 1989-08-11 |
| 1990 | 1990-05-18 | 1990-07-21 |
| 1991 | 1991-05-20 | 1991-08-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 31 | 1980 | 4 |
| 35 C (95 F): Days | 7 | 5 | 1980 | 1 |
| 90 F (32.2 C): Days | 18 | 13 | 1980 | 10 |
| 0 C (32 F): Ice days (max | 20 | 155 | 1981 | 134 |
| 0 C (32 F): Frost days (min | 7 | 233 | 1976 | 222 |
| -10 C (14 F): Days with min | 7 | 158 | 1970 | 151 |
| -20 C (-4 F): Days with min | 7 | 126 | 1983 | 126 |
| -30 C (-22 F): Days with min | 7 | 97 | 1969 | 75 |
| -40 C (-40 F): Days with min | 7 | 45 | 1969 | 14 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 32 | 33 | 1972 | 19 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 9 | 1984 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 3 | 1975 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.
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).