Tarnaby Threshold Days by Year (SWE00140594)
10 fixed thresholds counted per year at Tarnaby (SWE00140594): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tarnaby Thresholds
- Tarnaby: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1961 with 30.
- Tarnaby: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1952 with 256.
- Tarnaby: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1966 with 134.
- Tarnaby: nights with a minimum temperature at or below -20 C (-4 F) in 79 years, most in 1969 with 80.
- 10 fixed thresholds have at least one qualifying day at Tarnaby.
Days at or above 30 C (86 F)
3 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1933 | 2 | 1.5 |
| 1937 | 1 | 1.5 |
| 1941 | 2 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1933 | 1933-07-09 | 1933-07-10 |
| 1937 | 1937-07-05 | 1937-07-05 |
| 1941 | 1941-07-12 | 1941-07-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 3 | 2 | 1933 | 2 |
| 0 C (32 F): Ice days (max | 55 | 159 | 1919 | 112 |
| 0 C (32 F): Frost days (min | 79 | 256 | 1952 | 233 |
| -10 C (14 F): Days with min | 79 | 134 | 1966 | 91 |
| -20 C (-4 F): Days with min | 79 | 80 | 1969 | 40 |
| -30 C (-22 F): Days with min | 76 | 30 | 1967 | 3 |
| -40 C (-40 F): Days with min | 15 | 3 | 1948 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 85 | 30 | 1961 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 48 | 5 | 1972 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1913 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.
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).