Truro Threshold Days by Year (CA008205988)
13 fixed thresholds counted per year at Truro (CA008205988): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Truro Thresholds
- Truro: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1885 with 51.
- Truro: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1872 with 13.
- Truro: days with 10 cm (3.9 in) or more of snowfall in 40 years, most in 1875 with 13.
- Truro: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1904 with 198.
- 13 fixed thresholds have at least one qualifying day at Truro.
Days at or above 30 C (86 F)
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1873 | 4 | 3 |
| 1878 | 2 | 3 |
| 1880 | 4 | 2.1 |
| 1881 | 2 | 2.1 |
| 1882 | 1 | 2.1 |
| 1884 | 1 | 2.1 |
| 1885 | 1 | 2.1 |
| 1887 | 5 | 2.1 |
| 1889 | 1 | 2.1 |
| 1891 | 3 | 3 |
| 1892 | 4 | 3 |
| 1893 | 1 | 3 |
| 1894 | 5 | 3 |
| 1895 | 4 | 3 |
| 1896 | 2 | 3 |
| 1897 | 4 | 3 |
| 1898 | 2 | 3 |
| 1899 | 2 | 3 |
| 1900 | 2 | 3.6 |
| 1901 | 5 | 3.6 |
| 1902 | 4 | 3.6 |
| 1904 | 6 | 3.6 |
| 1906 | 6 | 3.6 |
| 1907 | 1 | 3.6 |
| 1908 | 4 | 3.6 |
| 1909 | 1 | 3.6 |
| 1910 | 3 | 2.8 |
| 1912 | 3 | 2.8 |
| 1913 | 2 | 2.8 |
| 1914 | 3 | 2.8 |
| Year | First date | Last date |
|---|---|---|
| 1873 | 1873-06-30 | 1873-08-03 |
| 1878 | 1878-06-22 | 1878-07-10 |
| 1880 | 1880-06-30 | 1880-08-02 |
| 1881 | 1881-07-09 | 1881-08-02 |
| 1882 | 1882-08-07 | 1882-08-07 |
| 1884 | 1884-07-29 | 1884-07-29 |
| 1885 | 1885-07-09 | 1885-07-09 |
| 1887 | 1887-06-30 | 1887-08-02 |
| 1889 | 1889-05-19 | 1889-05-19 |
| 1891 | 1891-08-23 | 1891-08-28 |
| 1892 | 1892-07-12 | 1892-07-27 |
| 1893 | 1893-08-12 | 1893-08-12 |
| 1894 | 1894-06-18 | 1894-08-08 |
| 1895 | 1895-05-08 | 1895-09-23 |
| 1896 | 1896-07-02 | 1896-08-12 |
| 1897 | 1897-07-13 | 1897-07-24 |
| 1898 | 1898-07-04 | 1898-07-30 |
| 1899 | 1899-07-02 | 1899-08-03 |
| 1900 | 1900-07-09 | 1900-07-24 |
| 1901 | 1901-07-18 | 1901-08-24 |
| 1902 | 1902-07-15 | 1902-08-01 |
| 1904 | 1904-07-12 | 1904-08-08 |
| 1906 | 1906-07-16 | 1906-08-20 |
| 1907 | 1907-07-20 | 1907-07-20 |
| 1908 | 1908-07-04 | 1908-07-10 |
| 1909 | 1909-07-29 | 1909-07-29 |
| 1910 | 1910-07-10 | 1910-07-15 |
| 1912 | 1912-07-09 | 1912-07-16 |
| 1913 | 1913-07-02 | 1913-08-03 |
| 1914 | 1914-08-11 | 1914-09-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 30 | 6 | 1904 | 3 |
| 90 F (32.2 C): Days | 11 | 1 | 1880 | 1 |
| 0 C (32 F): Ice days (max | 37 | 91 | 1875 | 72 |
| 0 C (32 F): Frost days (min | 38 | 198 | 1904 | 193 |
| -10 C (14 F): Days with min | 38 | 93 | 1875 | 68 |
| -20 C (-4 F): Days with min | 38 | 32 | 1904 | 22 |
| -30 C (-22 F): Days with min | 17 | 6 | 1914 | 6 |
| 20 C (68 F): Tropical nights (min | 15 | 5 | 1889 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 51 | 1885 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 13 | 1872 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 3 | 1889 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 13 | 1875 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 3 | 1882 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1873.
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).