Decatur 1 N Threshold Days by Year (USC00402385)
17 fixed thresholds counted per year at Decatur 1 N (USC00402385): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Decatur 1 N Thresholds
- Decatur 1 N: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1920 with 55.
- Decatur 1 N: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1903 with 26.
- Decatur 1 N: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1911 with 132.
- Decatur 1 N: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 1925 with 108.
- 17 fixed thresholds have at least one qualifying day at Decatur 1 N.
Days at or above 30 C (86 F)
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 99 | 99.8 |
| 1897 | 85 | 99.8 |
| 1898 | 112 | 99.8 |
| 1899 | 103 | 99.8 |
| 1901 | 87 | 88.9 |
| 1902 | 102 | 88.9 |
| 1903 | 89 | 88.9 |
| 1904 | 72 | 88.9 |
| 1905 | 78 | 88.9 |
| 1908 | 100 | 88.9 |
| 1909 | 94 | 88.9 |
| 1910 | 91 | 100.9 |
| 1911 | 132 | 100.9 |
| 1912 | 96 | 100.9 |
| 1913 | 108 | 100.9 |
| 1914 | 112 | 100.9 |
| 1915 | 99 | 100.9 |
| 1916 | 95 | 100.9 |
| 1917 | 85 | 100.9 |
| 1918 | 91 | 100.9 |
| 1919 | 100 | 100.9 |
| 1920 | 70 | 91.9 |
| 1921 | 115 | 91.9 |
| 1922 | 96 | 91.9 |
| 1923 | 85 | 91.9 |
| 1924 | 73 | 91.9 |
| 1925 | 128 | 91.9 |
| 1926 | 97 | 91.9 |
| 1927 | 90 | 91.9 |
| 1928 | 69 | 91.9 |
| 1929 | 96 | 91.9 |
| 1930 | 104 | 105.4 |
| 1931 | 117 | 105.4 |
| 1932 | 103 | 105.4 |
| 1933 | 109 | 105.4 |
| 1934 | 103 | 105.4 |
| 1935 | 101 | 105.4 |
| 1936 | 129 | 105.4 |
| 1937 | 100 | 105.4 |
| 1938 | 85 | 105.4 |
| 1939 | 103 | 105.4 |
| 1940 | 83 | 77.9 |
| 1941 | 105 | 77.9 |
| 1942 | 68 | 77.9 |
| 1943 | 92 | 77.9 |
| 1944 | 98 | 77.9 |
| 1945 | 86 | 77.9 |
| 1946 | 36 | 77.9 |
| 1947 | 55 | 77.9 |
| 1954 | 102 | 102 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-04-16 | 1896-09-19 |
| 1897 | 1897-05-08 | 1897-10-17 |
| 1898 | 1898-05-01 | 1898-10-05 |
| 1899 | 1899-04-27 | 1899-09-10 |
| 1901 | 1901-04-30 | 1901-09-16 |
| 1902 | 1902-04-21 | 1902-09-23 |
| 1903 | 1903-05-16 | 1903-10-06 |
| 1904 | 1904-05-23 | 1904-10-10 |
| 1905 | 1905-04-10 | 1905-09-17 |
| 1908 | 1908-03-18 | 1908-10-19 |
| 1909 | 1909-04-17 | 1909-10-04 |
| 1910 | 1910-03-24 | 1910-10-05 |
| 1911 | 1911-05-09 | 1911-10-15 |
| 1912 | 1912-05-08 | 1912-10-10 |
| 1913 | 1913-04-18 | 1913-10-10 |
| 1914 | 1914-04-27 | 1914-10-08 |
| 1915 | 1915-04-20 | 1915-10-17 |
| 1916 | 1916-04-13 | 1916-10-07 |
| 1917 | 1917-04-18 | 1917-10-17 |
| 1918 | 1918-05-08 | 1918-10-06 |
| 1919 | 1919-04-09 | 1919-10-26 |
| 1920 | 1920-05-23 | 1920-10-23 |
| 1921 | 1921-03-21 | 1921-09-29 |
| 1922 | 1922-05-09 | 1922-10-31 |
| 1923 | 1923-04-23 | 1923-09-29 |
| 1924 | 1924-05-05 | 1924-09-19 |
| 1925 | 1925-04-15 | 1925-10-01 |
| 1926 | 1926-05-01 | 1926-10-19 |
| 1927 | 1927-04-18 | 1927-10-23 |
| 1928 | 1928-05-03 | 1928-10-15 |
| 1929 | 1929-03-24 | 1929-09-29 |
| 1930 | 1930-04-11 | 1930-09-24 |
| 1931 | 1931-04-17 | 1931-10-25 |
| 1932 | 1932-05-04 | 1932-09-19 |
| 1933 | 1933-05-06 | 1933-10-01 |
| 1934 | 1934-04-04 | 1934-09-28 |
| 1935 | 1935-04-26 | 1935-10-16 |
| 1936 | 1936-04-15 | 1936-09-28 |
| 1937 | 1937-04-18 | 1937-10-06 |
| 1938 | 1938-05-02 | 1938-10-19 |
| 1939 | 1939-05-11 | 1939-10-24 |
| 1940 | 1940-04-02 | 1940-10-27 |
| 1941 | 1941-04-19 | 1941-10-20 |
| 1942 | 1942-04-25 | 1942-09-20 |
| 1943 | 1943-05-06 | 1943-09-15 |
| 1944 | 1944-05-11 | 1944-09-20 |
| 1945 | 1945-04-15 | 1945-09-30 |
| 1946 | 1946-04-03 | 1946-08-23 |
| 1947 | 1947-06-07 | 1947-09-22 |
| 1954 | 1954-04-16 | 1954-10-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 50 | 132 | 1911 | 102 |
| 35 C (95 F): Days | 48 | 63 | 1925 | 34 |
| 40 C (104 F): Days | 7 | 8 | 1930 | 3 |
| 90 F (32.2 C): Days | 50 | 108 | 1925 | 80 |
| 100 F (37.8 C): Days | 22 | 23 | 1930 | 6 |
| 0 C (32 F): Ice days (max | 39 | 12 | 1899 | 1 |
| 0 C (32 F): Frost days (min | 49 | 109 | 1912 | 90 |
| -10 C (14 F): Days with min | 47 | 19 | 1917 | 2 |
| -20 C (-4 F): Days with min | 5 | 7 | 1940 | 7 |
| 20 C (68 F): Tropical nights (min | 49 | 52 | 1934 | 10 |
| 25 C (77 F): Days with min | 6 | 1 | 1896 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 54 | 55 | 1920 | 38 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 54 | 26 | 1903 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 50 | 8 | 1901 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1901 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1920 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 9 | 3 | 1935 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).