Siikajoki Revonlahti Threshold Days by Year (FIE00145627)
12 fixed thresholds counted per year at Siikajoki Revonlahti (FIE00145627): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Siikajoki Revonlahti Thresholds
- Siikajoki Revonlahti: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1976 with 227.
- Siikajoki Revonlahti: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1985 with 110.
- Siikajoki Revonlahti: nights with a minimum temperature at or below -20 C (-4 F) in 68 years, most in 1985 with 61.
- Siikajoki Revonlahti: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 2020 with 18.
- 12 fixed thresholds have at least one qualifying day at Siikajoki Revonlahti.
Days at or above 30 C (86 F)
18 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 1 | 1 |
| 1963 | 1 | 1 |
| 1970 | 1 | 1 |
| 1972 | 1 | 1 |
| 1988 | 1 | 1 |
| 1994 | 2 | 1.5 |
| 1999 | 1 | 1.5 |
| 2000 | 2 | 2 |
| 2003 | 3 | 2 |
| 2006 | 1 | 2 |
| 2010 | 2 | 2.8 |
| 2011 | 3 | 2.8 |
| 2014 | 1 | 2.8 |
| 2018 | 6 | 2.8 |
| 2019 | 2 | 2.8 |
| 2021 | 3 | 2 |
| 2022 | 2 | 2 |
| 2025 | 1 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-07-28 | 1960-07-28 |
| 1963 | 1963-08-02 | 1963-08-02 |
| 1970 | 1970-07-20 | 1970-07-20 |
| 1972 | 1972-07-02 | 1972-07-02 |
| 1988 | 1988-07-19 | 1988-07-19 |
| 1994 | 1994-07-27 | 1994-07-28 |
| 1999 | 1999-07-15 | 1999-07-15 |
| 2000 | 2000-06-29 | 2000-06-30 |
| 2003 | 2003-07-17 | 2003-08-01 |
| 2006 | 2006-06-13 | 2006-06-13 |
| 2010 | 2010-07-13 | 2010-07-29 |
| 2011 | 2011-06-08 | 2011-06-10 |
| 2014 | 2014-07-14 | 2014-07-14 |
| 2018 | 2018-07-17 | 2018-08-01 |
| 2019 | 2019-06-07 | 2019-07-26 |
| 2021 | 2021-07-04 | 2021-07-11 |
| 2022 | 2022-06-30 | 2022-07-01 |
| 2025 | 2025-07-31 | 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 | 18 | 6 | 2018 | 1 |
| 90 F (32.2 C): Days | 1 | 1 | 2010 | 1 |
| 0 C (32 F): Ice days (max | 67 | 135 | 2010 | 58 |
| 0 C (32 F): Frost days (min | 68 | 227 | 1976 | 112 |
| -10 C (14 F): Days with min | 68 | 110 | 1985 | 53 |
| -20 C (-4 F): Days with min | 68 | 61 | 1985 | 27 |
| -30 C (-22 F): Days with min | 41 | 22 | 1985 | 11 |
| -40 C (-40 F): Days with min | 1 | 2 | 1966 | 2 |
| 20 C (68 F): Tropical nights (min | 3 | 1 | 2010 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 68 | 18 | 2020 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 4 | 1992 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 1 | 2012 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).