Alexandria 4 WSW Threshold Days by Year (USC00330083)
17 fixed thresholds counted per year at Alexandria 4 WSW (USC00330083): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Alexandria 4 WSW Thresholds
- Alexandria 4 WSW: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1921 with 50.
- Alexandria 4 WSW: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1979 with 16.
- Alexandria 4 WSW: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1924 with 3.
- Alexandria 4 WSW: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1895 with 86.
- 17 fixed thresholds have at least one qualifying day at Alexandria 4 WSW.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1893 | 57 | 67.7 |
| 1894 | 73 | 67.7 |
| 1895 | 86 | 67.7 |
| 1896 | 49 | 67.7 |
| 1897 | 67 | 67.7 |
| 1898 | 71 | 67.7 |
| 1899 | 71 | 67.7 |
| 1900 | 83 | 41.8 |
| 1901 | 47 | 41.8 |
| 1902 | 41 | 41.8 |
| 1903 | 46 | 41.8 |
| 1904 | 24 | 41.8 |
| 1905 | 31 | 41.8 |
| 1906 | 37 | 41.8 |
| 1907 | 27 | 41.8 |
| 1908 | 59 | 41.8 |
| 1909 | 23 | 41.8 |
| 1910 | 41 | 45.9 |
| 1911 | 61 | 45.9 |
| 1912 | 26 | 45.9 |
| 1913 | 57 | 45.9 |
| 1914 | 60 | 45.9 |
| 1915 | 20 | 45.9 |
| 1916 | 49 | 45.9 |
| 1917 | 30 | 45.9 |
| 1918 | 54 | 45.9 |
| 1919 | 61 | 45.9 |
| 1920 | 19 | 35.7 |
| 1921 | 63 | 35.7 |
| 1922 | 41 | 35.7 |
| 1923 | 48 | 35.7 |
| 1924 | 34 | 35.7 |
| 1925 | 57 | 35.7 |
| 1926 | 40 | 35.7 |
| 1927 | 37 | 35.7 |
| 1928 | 11 | 35.7 |
| 1929 | 7 | 35.7 |
| Year | First date | Last date |
|---|---|---|
| 1893 | 1893-04-07 | 1893-10-11 |
| 1894 | 1894-05-10 | 1894-09-15 |
| 1895 | 1895-05-04 | 1895-09-22 |
| 1896 | 1896-04-12 | 1896-09-14 |
| 1897 | 1897-06-11 | 1897-10-16 |
| 1898 | 1898-05-01 | 1898-10-03 |
| 1899 | 1899-04-22 | 1899-10-15 |
| 1900 | 1900-05-14 | 1900-10-05 |
| 1901 | 1901-06-11 | 1901-09-07 |
| 1902 | 1902-05-04 | 1902-09-22 |
| 1903 | 1903-05-17 | 1903-10-04 |
| 1904 | 1904-05-25 | 1904-09-29 |
| 1905 | 1905-05-04 | 1905-09-19 |
| 1906 | 1906-05-15 | 1906-09-18 |
| 1907 | 1907-06-17 | 1907-09-20 |
| 1908 | 1908-05-25 | 1908-09-26 |
| 1909 | 1909-06-20 | 1909-09-14 |
| 1910 | 1910-06-16 | 1910-10-03 |
| 1911 | 1911-05-11 | 1911-09-02 |
| 1912 | 1912-06-26 | 1912-09-11 |
| 1913 | 1913-05-05 | 1913-09-07 |
| 1914 | 1914-05-25 | 1914-09-22 |
| 1915 | 1915-04-25 | 1915-09-16 |
| 1916 | 1916-05-14 | 1916-10-08 |
| 1917 | 1917-06-13 | 1917-09-15 |
| 1918 | 1918-05-25 | 1918-08-25 |
| 1919 | 1919-05-30 | 1919-10-04 |
| 1920 | 1920-06-10 | 1920-09-26 |
| 1921 | 1921-05-23 | 1921-09-17 |
| 1922 | 1922-05-09 | 1922-10-05 |
| 1923 | 1923-05-31 | 1923-09-27 |
| 1924 | 1924-06-19 | 1924-09-12 |
| 1925 | 1925-04-23 | 1925-09-20 |
| 1926 | 1926-05-01 | 1926-10-04 |
| 1927 | 1927-05-09 | 1927-10-06 |
| 1928 | 1928-05-04 | 1928-08-29 |
| 1929 | 1929-05-29 | 1929-07-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 86 | 1895 | 7 |
| 35 C (95 F): Days | 24 | 20 | 1895 | 4 |
| 40 C (104 F): Days | 1 | 1 | 1918 | 1 |
| 90 F (32.2 C): Days | 35 | 65 | 1895 | 18 |
| 100 F (37.8 C): Days | 7 | 4 | 1898 | 3 |
| 0 C (32 F): Ice days (max | 37 | 46 | 1912 | 40 |
| 0 C (32 F): Frost days (min | 37 | 156 | 1926 | 113 |
| -10 C (14 F): Days with min | 37 | 48 | 1904 | 34 |
| -20 C (-4 F): Days with min | 32 | 14 | 1917 | 6 |
| -30 C (-22 F): Days with min | 1 | 1 | 1899 | 1 |
| 20 C (68 F): Tropical nights (min | 37 | 24 | 1898 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 68 | 50 | 1921 | 21 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 68 | 16 | 1979 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 39 | 3 | 1924 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1899 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 27 | 5 | 1951 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1971 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.
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).