Fort National Threshold Days by Year
15 fixed thresholds counted per year at Fort National (AGE00147709): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Fort National Thresholds
- Fort National: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1908 with 49.
- Fort National: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1898 with 19.
- Fort National: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1924 with 79.
- Fort National: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 1931 with 48.
- 15 fixed thresholds have at least one qualifying day at Fort National.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1885 | 46 | 42.8 |
| 1886 | 31 | 42.8 |
| 1887 | 58 | 42.8 |
| 1888 | 32 | 42.8 |
| 1889 | 47 | 42.8 |
| 1890 | 40 | 43.1 |
| 1892 | 59 | 43.1 |
| 1893 | 52 | 43.1 |
| 1895 | 42 | 43.1 |
| 1897 | 41 | 43.1 |
| 1898 | 32 | 43.1 |
| 1899 | 36 | 43.1 |
| 1900 | 36 | 41.6 |
| 1901 | 32 | 41.6 |
| 1902 | 44 | 41.6 |
| 1903 | 39 | 41.6 |
| 1904 | 58 | 41.6 |
| 1905 | 60 | 41.6 |
| 1906 | 46 | 41.6 |
| 1907 | 39 | 41.6 |
| 1908 | 41 | 41.6 |
| 1909 | 21 | 41.6 |
| 1910 | 29 | 35.7 |
| 1911 | 32 | 35.7 |
| 1912 | 21 | 35.7 |
| 1913 | 37 | 35.7 |
| 1914 | 23 | 35.7 |
| 1915 | 39 | 35.7 |
| 1916 | 49 | 35.7 |
| 1917 | 54 | 35.7 |
| 1919 | 37 | 35.7 |
| 1921 | 56 | 61.6 |
| 1922 | 59 | 61.6 |
| 1923 | 62 | 61.6 |
| 1924 | 79 | 61.6 |
| 1925 | 48 | 61.6 |
| 1926 | 66 | 61.6 |
| 1927 | 64 | 61.6 |
| 1928 | 75 | 61.6 |
| 1929 | 45 | 61.6 |
| 1930 | 56 | 60.9 |
| 1931 | 71 | 60.9 |
| 1932 | 52 | 60.9 |
| 1933 | 60 | 60.9 |
| 1934 | 53 | 60.9 |
| 1935 | 71 | 60.9 |
| 1938 | 63 | 60.9 |
| Year | First date | Last date |
|---|---|---|
| 1885 | 1885-06-27 | 1885-09-23 |
| 1886 | 1886-06-19 | 1886-09-07 |
| 1887 | 1887-05-29 | 1887-09-09 |
| 1888 | 1888-04-30 | 1888-10-02 |
| 1889 | 1889-06-18 | 1889-09-27 |
| 1890 | 1890-06-10 | 1890-09-22 |
| 1892 | 1892-05-22 | 1892-09-27 |
| 1893 | 1893-06-12 | 1893-09-30 |
| 1895 | 1895-05-20 | 1895-10-02 |
| 1897 | 1897-06-25 | 1897-09-03 |
| 1898 | 1898-06-05 | 1898-09-10 |
| 1899 | 1899-04-28 | 1899-09-16 |
| 1900 | 1900-05-30 | 1900-09-28 |
| 1901 | 1901-06-26 | 1901-09-06 |
| 1902 | 1902-06-27 | 1902-09-10 |
| 1903 | 1903-06-30 | 1903-10-16 |
| 1904 | 1904-05-16 | 1904-09-18 |
| 1905 | 1905-06-26 | 1905-09-17 |
| 1906 | 1906-05-31 | 1906-09-23 |
| 1907 | 1907-05-31 | 1907-09-08 |
| 1908 | 1908-05-04 | 1908-09-21 |
| 1909 | 1909-06-13 | 1909-09-08 |
| 1910 | 1910-06-23 | 1910-10-15 |
| 1911 | 1911-06-17 | 1911-10-08 |
| 1912 | 1912-05-13 | 1912-09-17 |
| 1913 | 1913-06-23 | 1913-09-28 |
| 1914 | 1914-04-12 | 1914-09-19 |
| 1915 | 1915-07-06 | 1915-09-19 |
| 1916 | 1916-04-28 | 1916-09-26 |
| 1917 | 1917-05-11 | 1917-10-27 |
| 1919 | 1919-06-20 | 1919-09-26 |
| 1921 | 1921-06-27 | 1921-10-08 |
| 1922 | 1922-04-15 | 1922-10-07 |
| 1923 | 1923-06-21 | 1923-10-27 |
| 1924 | 1924-04-26 | 1924-09-23 |
| 1925 | 1925-05-28 | 1925-09-20 |
| 1926 | 1926-05-29 | 1926-10-30 |
| 1927 | 1927-05-21 | 1927-09-24 |
| 1928 | 1928-06-02 | 1928-10-03 |
| 1929 | 1929-05-07 | 1929-10-17 |
| 1930 | 1930-04-12 | 1930-10-18 |
| 1931 | 1931-05-23 | 1931-10-10 |
| 1932 | 1932-05-14 | 1932-10-01 |
| 1933 | 1933-04-29 | 1933-10-21 |
| 1934 | 1934-05-26 | 1934-09-29 |
| 1935 | 1935-06-04 | 1935-10-01 |
| 1938 | 1938-05-14 | 1938-10-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 79 | 1924 | 63 |
| 35 C (95 F): Days | 46 | 39 | 1938 | 39 |
| 40 C (104 F): Days | 22 | 10 | 1938 | 10 |
| 45 C (113 F): Days | 1 | 1 | 1925 | 1 |
| 90 F (32.2 C): Days | 47 | 48 | 1931 | 46 |
| 100 F (37.8 C): Days | 36 | 19 | 1938 | 19 |
| 110 F (43.3 C): Days | 2 | 1 | 1925 | 1 |
| 0 C (32 F): Ice days (max | 7 | 2 | 1893 | 1 |
| 0 C (32 F): Frost days (min | 47 | 39 | 1906 | 20 |
| 20 C (68 F): Tropical nights (min | 47 | 59 | 1917 | 43 |
| 25 C (77 F): Days with min | 44 | 20 | 1902 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 49 | 1908 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 19 | 1898 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 41 | 5 | 1898 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1923 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-14).