Heinola Asemantaus Threshold Days by Year (FIE00143066)
11 fixed thresholds counted per year at Heinola Asemantaus (FIE00143066): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Heinola Asemantaus Thresholds
- Heinola Asemantaus: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1976 with 193.
- Heinola Asemantaus: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1963 with 92.
- Heinola Asemantaus: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1968 with 115.
- Heinola Asemantaus: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 2008 with 24.
- 11 fixed thresholds have at least one qualifying day at Heinola Asemantaus.
Days at or above 30 C (86 F)
21 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 1 | 2.5 |
| 1972 | 4 | 2.5 |
| 1988 | 2 | 2 |
| 1994 | 6 | 4.5 |
| 1999 | 3 | 4.5 |
| 2003 | 5 | 2.7 |
| 2005 | 1 | 2.7 |
| 2006 | 2 | 2.7 |
| 2010 | 10 | 6 |
| 2011 | 5 | 6 |
| 2013 | 1 | 6 |
| 2014 | 10 | 6 |
| 2015 | 1 | 6 |
| 2018 | 12 | 6 |
| 2019 | 3 | 6 |
| 2020 | 3 | 6.2 |
| 2021 | 13 | 6.2 |
| 2022 | 10 | 6.2 |
| 2023 | 2 | 6.2 |
| 2024 | 2 | 6.2 |
| 2025 | 7 | 6.2 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-07-19 | 1970-07-19 |
| 1972 | 1972-06-27 | 1972-07-01 |
| 1988 | 1988-06-28 | 1988-07-18 |
| 1994 | 1994-07-13 | 1994-07-30 |
| 1999 | 1999-06-26 | 1999-07-14 |
| 2003 | 2003-07-15 | 2003-08-01 |
| 2005 | 2005-07-10 | 2005-07-10 |
| 2006 | 2006-07-07 | 2006-07-08 |
| 2010 | 2010-07-12 | 2010-08-08 |
| 2011 | 2011-06-10 | 2011-07-22 |
| 2013 | 2013-06-26 | 2013-06-26 |
| 2014 | 2014-05-19 | 2014-08-07 |
| 2015 | 2015-07-03 | 2015-07-03 |
| 2018 | 2018-07-16 | 2018-08-10 |
| 2019 | 2019-06-06 | 2019-07-27 |
| 2020 | 2020-06-24 | 2020-06-27 |
| 2021 | 2021-06-19 | 2021-07-27 |
| 2022 | 2022-06-26 | 2022-08-19 |
| 2023 | 2023-06-21 | 2023-08-07 |
| 2024 | 2024-06-01 | 2024-06-28 |
| 2025 | 2025-07-13 | 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 | 21 | 13 | 2021 | 7 |
| 90 F (32.2 C): Days | 4 | 8 | 2010 | 1 |
| 0 C (32 F): Ice days (max | 67 | 115 | 1968 | 54 |
| 0 C (32 F): Frost days (min | 68 | 193 | 1976 | 95 |
| -10 C (14 F): Days with min | 68 | 92 | 1963 | 41 |
| -20 C (-4 F): Days with min | 63 | 43 | 1985 | 17 |
| -30 C (-22 F): Days with min | 23 | 12 | 1987 | 1 |
| 20 C (68 F): Tropical nights (min | 7 | 6 | 2010 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 67 | 24 | 2008 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 4 | 2004 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 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 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 (2026-10-17).