Jamsa Halli Lentokentta Threshold Days by Year (FIE00143586)
12 fixed thresholds counted per year at Jamsa Halli Lentokentta (FIE00143586): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jamsa Halli Lentokentta Thresholds
- Jamsa Halli Lentokentta: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1976 with 210.
- Jamsa Halli Lentokentta: nights with a minimum temperature at or below -10 C (14 F) in 62 years, most in 2010 with 93.
- Jamsa Halli Lentokentta: days with a maximum temperature at or below 0 C (32 F) in 61 years, most in 1968 with 118.
- Jamsa Halli Lentokentta: nights with a minimum temperature at or below -20 C (-4 F) in 60 years, most in 1985 with 52.
- 12 fixed thresholds have at least one qualifying day at Jamsa Halli Lentokentta.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1972 | 1 | 2 |
| 1977 | 3 | 2 |
| 1988 | 3 | 3 |
| 1992 | 1 | 3.7 |
| 1994 | 7 | 3.7 |
| 1999 | 3 | 3.7 |
| 2001 | 1 | 2.3 |
| 2003 | 4 | 2.3 |
| 2006 | 2 | 2.3 |
| 2010 | 7 | 4.4 |
| 2011 | 3 | 4.4 |
| 2014 | 2 | 4.4 |
| 2018 | 6 | 4.4 |
| 2019 | 4 | 4.4 |
| 2020 | 3 | 3 |
| 2021 | 5 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 3 |
| 2025 | 6 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1972 | 1972-06-28 | 1972-06-28 |
| 1977 | 1977-06-13 | 1977-06-15 |
| 1988 | 1988-06-27 | 1988-07-18 |
| 1992 | 1992-08-11 | 1992-08-11 |
| 1994 | 1994-07-13 | 1994-07-30 |
| 1999 | 1999-06-26 | 1999-07-14 |
| 2001 | 2001-07-05 | 2001-07-05 |
| 2003 | 2003-07-15 | 2003-07-31 |
| 2006 | 2006-07-07 | 2006-07-08 |
| 2010 | 2010-07-12 | 2010-08-08 |
| 2011 | 2011-06-10 | 2011-07-01 |
| 2014 | 2014-07-25 | 2014-07-26 |
| 2018 | 2018-07-16 | 2018-08-02 |
| 2019 | 2019-06-06 | 2019-07-27 |
| 2020 | 2020-06-24 | 2020-06-26 |
| 2021 | 2021-06-20 | 2021-07-27 |
| 2022 | 2022-06-27 | 2022-07-02 |
| 2023 | 2023-08-07 | 2023-08-07 |
| 2024 | 2024-06-28 | 2024-06-28 |
| 2025 | 2025-07-14 | 2025-07-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 7 | 1994 | 6 |
| 90 F (32.2 C): Days | 2 | 1 | 2010 | 1 |
| 0 C (32 F): Ice days (max | 61 | 118 | 1968 | 54 |
| 0 C (32 F): Frost days (min | 62 | 210 | 1976 | 105 |
| -10 C (14 F): Days with min | 62 | 93 | 2010 | 44 |
| -20 C (-4 F): Days with min | 60 | 52 | 1985 | 19 |
| -30 C (-22 F): Days with min | 33 | 12 | 1987 | 1 |
| -40 C (-40 F): Days with min | 1 | 1 | 1966 | 1 |
| 20 C (68 F): Tropical nights (min | 3 | 2 | 2010 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 30 | 2008 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 3 | 2001 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1972 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.
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 (2026-10-12).