Dora 2 W Threshold Days by Year (USC00352370)
14 fixed thresholds counted per year at Dora 2 W (USC00352370): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dora 2 W Thresholds
- Dora 2 W: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1983 with 79.
- Dora 2 W: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1983 with 23.
- Dora 2 W: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 1985 with 89.
- Dora 2 W: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1971 with 5.
- 14 fixed thresholds have at least one qualifying day at Dora 2 W.
Days at or above 30 C (86 F)
18 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 15 | 17.1 |
| 1971 | 12 | 17.1 |
| 1972 | 28 | 17.1 |
| 1973 | 12 | 17.1 |
| 1974 | 21 | 17.1 |
| 1975 | 17 | 17.1 |
| 1976 | 13 | 17.1 |
| 1977 | 13 | 17.1 |
| 1978 | 22 | 17.1 |
| 1979 | 18 | 17.1 |
| 1980 | 10 | 16.1 |
| 1981 | 15 | 16.1 |
| 1982 | 13 | 16.1 |
| 1983 | 8 | 16.1 |
| 1984 | 17 | 16.1 |
| 1985 | 24 | 16.1 |
| 1986 | 19 | 16.1 |
| 1988 | 23 | 16.1 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-06-01 | 1970-10-02 |
| 1971 | 1971-07-18 | 1971-10-04 |
| 1972 | 1972-05-12 | 1972-09-15 |
| 1973 | 1973-05-28 | 1973-09-27 |
| 1974 | 1974-06-11 | 1974-10-15 |
| 1975 | 1975-05-13 | 1975-09-29 |
| 1976 | 1976-05-12 | 1976-10-13 |
| 1977 | 1977-06-28 | 1977-08-16 |
| 1978 | 1978-05-19 | 1978-10-18 |
| 1979 | 1979-05-25 | 1979-10-09 |
| 1980 | 1980-07-27 | 1980-10-10 |
| 1981 | 1981-04-29 | 1981-09-15 |
| 1982 | 1982-05-24 | 1982-10-13 |
| 1983 | 1983-05-22 | 1983-09-21 |
| 1984 | 1984-05-28 | 1984-10-07 |
| 1985 | 1985-06-16 | 1985-10-05 |
| 1986 | 1986-05-30 | 1986-10-07 |
| 1988 | 1988-05-11 | 1988-10-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 18 | 28 | 1972 | 23 |
| 35 C (95 F): Days | 14 | 5 | 1972 | 3 |
| 40 C (104 F): Days | 2 | 1 | 1973 | 1 |
| 90 F (32.2 C): Days | 18 | 13 | 1972 | 10 |
| 100 F (37.8 C): Days | 7 | 3 | 1978 | 1 |
| 0 C (32 F): Ice days (max | 2 | 2 | 1972 | 1 |
| 0 C (32 F): Frost days (min | 20 | 89 | 1985 | 57 |
| -10 C (14 F): Days with min | 5 | 3 | 1972 | 2 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 21 | 79 | 1983 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 23 | 1983 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 5 | 1971 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1972 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 2 | 2 | 1971 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).