Port Arthur Threshold Days by Year (CA006046588)
18 fixed thresholds counted per year at Port Arthur (CA006046588): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Port Arthur Thresholds
- Port Arthur: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1936 with 132.
- Port Arthur: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1883 with 227.
- Port Arthur: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1883 with 136.
- Port Arthur: nights with a minimum temperature at or below -20 C (-4 F) in 63 years, most in 1883 with 81.
- 18 fixed thresholds have at least one qualifying day at Port Arthur.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1878 | 10 | 5.5 |
| 1879 | 1 | 5.5 |
| 1880 | 1 | 2.3 |
| 1881 | 5 | 2.3 |
| 1882 | 2 | 2.3 |
| 1883 | 1 | 2.3 |
| 1884 | 2 | 2.3 |
| 1885 | 1 | 2.3 |
| 1886 | 3 | 2.3 |
| 1887 | 3 | 2.3 |
| 1888 | 3 | 2.3 |
| 1890 | 2 | 3.6 |
| 1891 | 2 | 3.6 |
| 1892 | 3 | 3.6 |
| 1893 | 7 | 3.6 |
| 1894 | 4 | 3.6 |
| 1896 | 7 | 3.6 |
| 1897 | 3 | 3.6 |
| 1899 | 1 | 3.6 |
| 1900 | 2 | 1.6 |
| 1901 | 1 | 1.6 |
| 1903 | 1 | 1.6 |
| 1907 | 1 | 1.6 |
| 1908 | 3 | 1.6 |
| 1910 | 8 | 3.8 |
| 1911 | 3 | 3.8 |
| 1912 | 1 | 3.8 |
| 1913 | 4 | 3.8 |
| 1914 | 2 | 3.8 |
| 1915 | 2 | 3.8 |
| 1916 | 10 | 3.8 |
| 1917 | 1 | 3.8 |
| 1918 | 1 | 3.8 |
| 1919 | 6 | 3.8 |
| 1920 | 1 | 4.3 |
| 1921 | 10 | 4.3 |
| 1922 | 7 | 4.3 |
| 1923 | 7 | 4.3 |
| 1924 | 1 | 4.3 |
| 1925 | 3 | 4.3 |
| 1926 | 2 | 4.3 |
| 1927 | 4 | 4.3 |
| 1928 | 1 | 4.3 |
| 1929 | 7 | 4.3 |
| 1930 | 7 | 5.2 |
| 1931 | 11 | 5.2 |
| 1932 | 3 | 5.2 |
| 1933 | 5 | 5.2 |
| 1934 | 3 | 5.2 |
| 1935 | 6 | 5.2 |
| 1936 | 4 | 5.2 |
| 1937 | 7 | 5.2 |
| 1938 | 1 | 5.2 |
| 1940 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1878 | 1878-07-13 | 1878-08-08 |
| 1879 | 1879-07-20 | 1879-07-20 |
| 1880 | 1880-07-09 | 1880-07-09 |
| 1881 | 1881-07-13 | 1881-08-10 |
| 1882 | 1882-07-24 | 1882-08-04 |
| 1883 | 1883-07-01 | 1883-07-01 |
| 1884 | 1884-06-29 | 1884-08-27 |
| 1885 | 1885-07-30 | 1885-07-30 |
| 1886 | 1886-06-29 | 1886-07-06 |
| 1887 | 1887-07-06 | 1887-08-08 |
| 1888 | 1888-07-30 | 1888-08-23 |
| 1890 | 1890-06-08 | 1890-06-24 |
| 1891 | 1891-05-08 | 1891-06-14 |
| 1892 | 1892-07-21 | 1892-08-14 |
| 1893 | 1893-07-13 | 1893-08-04 |
| 1894 | 1894-06-02 | 1894-08-19 |
| 1896 | 1896-05-07 | 1896-08-03 |
| 1897 | 1897-06-14 | 1897-09-09 |
| 1899 | 1899-07-24 | 1899-07-24 |
| 1900 | 1900-06-24 | 1900-07-30 |
| 1901 | 1901-07-20 | 1901-07-20 |
| 1903 | 1903-07-24 | 1903-07-24 |
| 1907 | 1907-06-27 | 1907-06-27 |
| 1908 | 1908-07-10 | 1908-09-05 |
| 1910 | 1910-06-13 | 1910-07-20 |
| 1911 | 1911-07-02 | 1911-07-09 |
| 1912 | 1912-06-22 | 1912-06-22 |
| 1913 | 1913-06-12 | 1913-06-30 |
| 1914 | 1914-05-26 | 1914-07-20 |
| 1915 | 1915-08-12 | 1915-08-13 |
| 1916 | 1916-07-01 | 1916-07-30 |
| 1917 | 1917-07-30 | 1917-07-30 |
| 1918 | 1918-08-25 | 1918-08-25 |
| 1919 | 1919-06-14 | 1919-07-23 |
| 1920 | 1920-08-15 | 1920-08-15 |
| 1921 | 1921-06-10 | 1921-09-01 |
| 1922 | 1922-06-04 | 1922-08-17 |
| 1923 | 1923-06-16 | 1923-07-20 |
| 1924 | 1924-07-11 | 1924-07-11 |
| 1925 | 1925-07-11 | 1925-09-03 |
| 1926 | 1926-06-28 | 1926-08-02 |
| 1927 | 1927-06-07 | 1927-09-15 |
| 1928 | 1928-07-15 | 1928-07-15 |
| 1929 | 1929-07-16 | 1929-09-01 |
| 1930 | 1930-06-20 | 1930-08-13 |
| 1931 | 1931-05-15 | 1931-08-15 |
| 1932 | 1932-07-16 | 1932-07-30 |
| 1933 | 1933-06-02 | 1933-07-21 |
| 1934 | 1934-05-28 | 1934-08-09 |
| 1935 | 1935-07-04 | 1935-08-19 |
| 1936 | 1936-07-08 | 1936-07-13 |
| 1937 | 1937-05-30 | 1937-08-26 |
| 1938 | 1938-08-14 | 1938-08-14 |
| 1940 | 1940-08-12 | 1940-08-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 11 | 1931 | 1 |
| 35 C (95 F): Days | 8 | 2 | 1893 | 2 |
| 40 C (104 F): Days | 1 | 1 | 1936 | 1 |
| 90 F (32.2 C): Days | 27 | 5 | 1931 | 2 |
| 100 F (37.8 C): Days | 1 | 1 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 63 | 132 | 1936 | 124 |
| 0 C (32 F): Frost days (min | 63 | 227 | 1883 | 209 |
| -10 C (14 F): Days with min | 63 | 136 | 1883 | 112 |
| -20 C (-4 F): Days with min | 63 | 81 | 1883 | 40 |
| -30 C (-22 F): Days with min | 60 | 27 | 1885 | 5 |
| -40 C (-40 F): Days with min | 1 | 1 | 1885 | 1 |
| 20 C (68 F): Tropical nights (min | 3 | 2 | 1936 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 63 | 31 | 1937 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 63 | 8 | 1937 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 2 | 1913 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1887 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 44 | 11 | 1937 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 2 | 1940 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1878.
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 (2026-10-17).