Gunnarn Threshold Days by Year
10 fixed thresholds counted per year at Gunnarn (SW000021280): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Gunnarn Thresholds
- Gunnarn: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 2000 with 29.
- Gunnarn: days with a maximum temperature at or below 0 C (32 F) in 62 years, most in 1952 with 154.
- Gunnarn: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1952 with 250.
- Gunnarn: nights with a minimum temperature at or below -10 C (14 F) in 60 years, most in 1966 with 128.
- 10 fixed thresholds have at least one qualifying day at Gunnarn.
Days at or above 30 C (86 F)
7 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1952 | 1 | 1 |
| 1958 | 1 | 1 |
| 1966 | 2 | 1.5 |
| 1968 | 1 | 1.5 |
| 1986 | 1 | 2 |
| 1988 | 3 | 2 |
| 1991 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1952 | 1952-07-09 | 1952-07-09 |
| 1958 | 1958-07-02 | 1958-07-02 |
| 1966 | 1966-06-18 | 1966-06-19 |
| 1968 | 1968-07-03 | 1968-07-03 |
| 1986 | 1986-06-17 | 1986-06-17 |
| 1988 | 1988-06-26 | 1988-07-19 |
| 1991 | 1991-07-09 | 1991-07-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 7 | 3 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 62 | 154 | 1952 | 114 |
| 0 C (32 F): Frost days (min | 60 | 250 | 1952 | 217 |
| -10 C (14 F): Days with min | 60 | 128 | 1966 | 92 |
| -20 C (-4 F): Days with min | 60 | 85 | 1980 | 32 |
| -30 C (-22 F): Days with min | 57 | 39 | 1985 | 6 |
| -40 C (-40 F): Days with min | 11 | 7 | 1966 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 68 | 29 | 2000 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 4 | 1954 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 1 | 1947 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).