Oulu Linnanmaa Threshold Days by Year (FIE00145637)
12 fixed thresholds counted per year at Oulu Linnanmaa (FIE00145637): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Oulu Linnanmaa Thresholds
- Oulu Linnanmaa: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1968 with 222.
- Oulu Linnanmaa: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1985 with 115.
- Oulu Linnanmaa: nights with a minimum temperature at or below -20 C (-4 F) in 37 years, most in 1985 with 72.
- Oulu Linnanmaa: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1981 with 17.
- 12 fixed thresholds have at least one qualifying day at Oulu Linnanmaa.
Days at or above 30 C (86 F)
5 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1967 | 1 | 1 |
| 1970 | 1 | 5.5 |
| 1972 | 10 | 5.5 |
| 1988 | 5 | 5 |
| 1994 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1967 | 1967-08-04 | 1967-08-04 |
| 1970 | 1970-07-20 | 1970-07-20 |
| 1972 | 1972-06-27 | 1972-07-13 |
| 1988 | 1988-06-29 | 1988-07-19 |
| 1994 | 1994-07-28 | 1994-07-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 5 | 10 | 1972 | 1 |
| 90 F (32.2 C): Days | 1 | 1 | 1970 | 1 |
| 0 C (32 F): Ice days (max | 36 | 131 | 1980 | 77 |
| 0 C (32 F): Frost days (min | 37 | 222 | 1968 | 185 |
| -10 C (14 F): Days with min | 37 | 115 | 1985 | 70 |
| -20 C (-4 F): Days with min | 37 | 72 | 1985 | 24 |
| -30 C (-22 F): Days with min | 25 | 17 | 1985 | 5 |
| -40 C (-40 F): Days with min | 1 | 1 | 1966 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 2 | 1972 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 37 | 17 | 1981 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 20 | 4 | 1983 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1992 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.
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).