Umea Threshold Days by Year (SWE00140186)
10 fixed thresholds counted per year at Umea (SWE00140186): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Umea Thresholds
- Umea: days with 10 mm (0.39 in) or more of precipitation in 120 years, most in 1966 with 29.
- Umea: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1867 with 8.
- Umea: days with a maximum temperature at or below 0 C (32 F) in 97 years, most in 1915 with 142.
- Umea: nights with a minimum temperature at or below 0 C (32 F) in 96 years, most in 1888 with 239.
- 10 fixed thresholds have at least one qualifying day at Umea.
Days at or above 30 C (86 F)
6 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1882 | 3 | 2 |
| 1883 | 1 | 2 |
| 1891 | 1 | 1 |
| 1897 | 1 | 1 |
| 1941 | 1 | 1 |
| 1945 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1882 | 1882-06-27 | 1882-07-31 |
| 1883 | 1883-06-30 | 1883-06-30 |
| 1891 | 1891-06-25 | 1891-06-25 |
| 1897 | 1897-07-16 | 1897-07-16 |
| 1941 | 1941-07-31 | 1941-07-31 |
| 1945 | 1945-07-18 | 1945-07-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 6 | 3 | 1882 | 1 |
| 90 F (32.2 C): Days | 1 | 1 | 1882 | 1 |
| 0 C (32 F): Ice days (max | 97 | 142 | 1915 | 98 |
| 0 C (32 F): Frost days (min | 96 | 239 | 1888 | 208 |
| -10 C (14 F): Days with min | 96 | 121 | 1888 | 85 |
| -20 C (-4 F): Days with min | 95 | 42 | 1966 | 32 |
| -30 C (-22 F): Days with min | 28 | 10 | 1966 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 120 | 29 | 1966 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 100 | 8 | 1867 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 2 | 1864 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1882.
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).