Simonstorp Threshold Days by Year (SWE00138358)
10 fixed thresholds counted per year at Simonstorp (SWE00138358): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Simonstorp Thresholds
- Simonstorp: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1969 with 87.
- Simonstorp: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1980 with 179.
- Simonstorp: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 1970 with 62.
- Simonstorp: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1977 with 28.
- 10 fixed thresholds have at least one qualifying day at Simonstorp.
Days at or above 30 C (86 F)
8 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1969 | 3 | 3 |
| 1970 | 1 | 3.3 |
| 1975 | 8 | 3.3 |
| 1979 | 1 | 3.3 |
| 1982 | 8 | 5 |
| 1989 | 2 | 5 |
| 1994 | 6 | 6 |
| 2001 | 3 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1969 | 1969-07-30 | 1969-08-01 |
| 1970 | 1970-06-19 | 1970-06-19 |
| 1975 | 1975-08-04 | 1975-08-11 |
| 1979 | 1979-06-01 | 1979-06-01 |
| 1982 | 1982-08-01 | 1982-08-08 |
| 1989 | 1989-07-07 | 1989-07-08 |
| 1994 | 1994-07-13 | 1994-07-29 |
| 2001 | 2001-07-07 | 2001-08-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 8 | 8 | 1975 | 3 |
| 90 F (32.2 C): Days | 1 | 4 | 1975 | 4 |
| 0 C (32 F): Ice days (max | 45 | 87 | 1969 | 32 |
| 0 C (32 F): Frost days (min | 45 | 179 | 1980 | 133 |
| -10 C (14 F): Days with min | 45 | 62 | 1970 | 18 |
| -20 C (-4 F): Days with min | 36 | 21 | 1985 | 1 |
| -30 C (-22 F): Days with min | 2 | 3 | 1966 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 28 | 1977 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 4 | 1998 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 2 | 1988 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.
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).