Lohja Porla Threshold Days by Year (FIE00142106)
10 fixed thresholds counted per year at Lohja Porla (FIE00142106): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Lohja Porla Thresholds
- Lohja Porla: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1976 with 172.
- Lohja Porla: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1981 with 31.
- Lohja Porla: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 2010 with 112.
- Lohja Porla: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1963 with 79.
- 10 fixed thresholds have at least one qualifying day at Lohja Porla.
Days at or above 30 C (86 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1973 | 1 | 1 |
| 1988 | 1 | 1 |
| 1992 | 1 | 2 |
| 1994 | 4 | 2 |
| 1999 | 1 | 2 |
| 2003 | 3 | 3 |
| 2010 | 3 | 2.3 |
| 2018 | 2 | 2.3 |
| 2019 | 2 | 2.3 |
| 2021 | 6 | 3.5 |
| 2022 | 1 | 3.5 |
| Year | First date | Last date |
|---|---|---|
| 1973 | 1973-07-06 | 1973-07-06 |
| 1988 | 1988-06-28 | 1988-06-28 |
| 1992 | 1992-08-11 | 1992-08-11 |
| 1994 | 1994-07-14 | 1994-07-30 |
| 1999 | 1999-07-14 | 1999-07-14 |
| 2003 | 2003-07-15 | 2003-07-31 |
| 2010 | 2010-07-11 | 2010-07-13 |
| 2018 | 2018-07-17 | 2018-08-01 |
| 2019 | 2019-07-27 | 2019-07-28 |
| 2021 | 2021-06-20 | 2021-07-15 |
| 2022 | 2022-06-27 | 2022-06-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 11 | 6 | 2021 | 1 |
| 0 C (32 F): Ice days (max | 67 | 112 | 2010 | 53 |
| 0 C (32 F): Frost days (min | 68 | 172 | 1976 | 82 |
| -10 C (14 F): Days with min | 67 | 79 | 1963 | 34 |
| -20 C (-4 F): Days with min | 59 | 35 | 1985 | 11 |
| -30 C (-22 F): Days with min | 12 | 7 | 1987 | 7 |
| 20 C (68 F): Tropical nights (min | 10 | 6 | 2018 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 68 | 31 | 1981 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 6 | 2004 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1970 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.
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).