Birr Threshold Days by Year (EI000003965)
7 fixed thresholds counted per year at Birr (EI000003965): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Birr Thresholds
- Birr: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1955 with 82.
- Birr: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1958 with 31.
- Birr: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1968 with 5.
- Birr: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 1982 with 4.
- 7 fixed thresholds have at least one qualifying day at Birr.
Days at or above 30 C (86 F)
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1976 | 3 | 3 |
| 1983 | 1 | 1 |
| 2006 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1976 | 1976-06-29 | 1976-07-02 |
| 1983 | 1983-07-13 | 1983-07-13 |
| 2006 | 2006-07-18 | 2006-07-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 3 | 3 | 1976 | 1 |
| 0 C (32 F): Ice days (max | 18 | 4 | 1982 | 2 |
| 0 C (32 F): Frost days (min | 54 | 82 | 1955 | 45 |
| -10 C (14 F): Days with min | 5 | 3 | 1979 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 50 | 31 | 1958 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 5 | 1968 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1984 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.
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).