Huntsville Threshold Days by Year (CA006113660)
18 fixed thresholds counted per year at Huntsville (CA006113660): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Huntsville Thresholds
- Huntsville: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1925 with 209.
- Huntsville: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1926 with 101.
- Huntsville: nights with a minimum temperature at or below -20 C (-4 F) in 47 years, most in 1917 with 47.
- Huntsville: nights with a minimum temperature at or below -30 C (-22 F) in 44 years, most in 1917 with 20.
- 18 fixed thresholds have at least one qualifying day at Huntsville.
Days at or above 30 C (86 F)
38 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1911 | 14 | 13.9 |
| 1912 | 7 | 13.9 |
| 1913 | 16 | 13.9 |
| 1914 | 13 | 13.9 |
| 1915 | 2 | 13.9 |
| 1916 | 22 | 13.9 |
| 1917 | 10 | 13.9 |
| 1918 | 13 | 13.9 |
| 1919 | 28 | 13.9 |
| 1920 | 8 | 6.2 |
| 1921 | 23 | 6.2 |
| 1922 | 6 | 6.2 |
| 1924 | 1 | 6.2 |
| 1925 | 5 | 6.2 |
| 1926 | 1 | 6.2 |
| 1927 | 2 | 6.2 |
| 1928 | 1 | 6.2 |
| 1929 | 9 | 6.2 |
| 1930 | 3 | 12.8 |
| 1931 | 24 | 12.8 |
| 1932 | 2 | 12.8 |
| 1933 | 21 | 12.8 |
| 1934 | 17 | 12.8 |
| 1935 | 12 | 12.8 |
| 1936 | 9 | 12.8 |
| 1937 | 21 | 12.8 |
| 1938 | 11 | 12.8 |
| 1939 | 8 | 12.8 |
| 1940 | 5 | 11.8 |
| 1941 | 16 | 11.8 |
| 1942 | 3 | 11.8 |
| 1943 | 6 | 11.8 |
| 1944 | 22 | 11.8 |
| 1945 | 11 | 11.8 |
| 1946 | 12 | 11.8 |
| 1947 | 19 | 11.8 |
| 1955 | 25 | 13.5 |
| 1957 | 2 | 13.5 |
| Year | First date | Last date |
|---|---|---|
| 1911 | 1911-05-20 | 1911-08-07 |
| 1912 | 1912-07-03 | 1912-07-10 |
| 1913 | 1913-06-24 | 1913-09-07 |
| 1914 | 1914-06-08 | 1914-09-22 |
| 1915 | 1915-09-03 | 1915-09-14 |
| 1916 | 1916-07-11 | 1916-08-22 |
| 1917 | 1917-07-21 | 1917-08-01 |
| 1918 | 1918-07-21 | 1918-08-13 |
| 1919 | 1919-05-29 | 1919-08-07 |
| 1920 | 1920-06-10 | 1920-09-26 |
| 1921 | 1921-04-26 | 1921-09-02 |
| 1922 | 1922-06-24 | 1922-09-05 |
| 1924 | 1924-08-30 | 1924-08-30 |
| 1925 | 1925-06-07 | 1925-08-30 |
| 1926 | 1926-07-20 | 1926-07-20 |
| 1927 | 1927-06-29 | 1927-07-01 |
| 1928 | 1928-07-07 | 1928-07-07 |
| 1929 | 1929-05-30 | 1929-09-05 |
| 1930 | 1930-06-14 | 1930-07-28 |
| 1931 | 1931-06-19 | 1931-09-13 |
| 1932 | 1932-08-31 | 1932-09-01 |
| 1933 | 1933-06-08 | 1933-09-03 |
| 1934 | 1934-06-02 | 1934-08-10 |
| 1935 | 1935-07-05 | 1935-08-20 |
| 1936 | 1936-07-06 | 1936-09-15 |
| 1937 | 1937-05-31 | 1937-09-02 |
| 1938 | 1938-06-20 | 1938-08-17 |
| 1939 | 1939-07-05 | 1939-09-16 |
| 1940 | 1940-07-22 | 1940-07-26 |
| 1941 | 1941-06-21 | 1941-07-28 |
| 1942 | 1942-07-18 | 1942-08-22 |
| 1943 | 1943-06-25 | 1943-09-01 |
| 1944 | 1944-05-03 | 1944-08-16 |
| 1945 | 1945-06-23 | 1945-09-08 |
| 1946 | 1946-06-25 | 1946-09-19 |
| 1947 | 1947-06-10 | 1947-09-11 |
| 1955 | 1955-06-06 | 1955-09-18 |
| 1957 | 1957-06-17 | 1957-06-18 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 38 | 28 | 1919 | 2 |
| 35 C (95 F): Days | 7 | 6 | 1921 | 1 |
| 90 F (32.2 C): Days | 24 | 13 | 1916 | 8 |
| 100 F (37.8 C): Days | 1 | 1 | 1931 | 1 |
| 0 C (32 F): Ice days (max | 38 | 107 | 1926 | 68 |
| 0 C (32 F): Frost days (min | 47 | 209 | 1925 | 175 |
| -10 C (14 F): Days with min | 47 | 101 | 1926 | 81 |
| -20 C (-4 F): Days with min | 47 | 47 | 1917 | 27 |
| -30 C (-22 F): Days with min | 44 | 20 | 1917 | 5 |
| -40 C (-40 F): Days with min | 8 | 3 | 1914 | 1 |
| 20 C (68 F): Tropical nights (min | 32 | 6 | 1938 | 8 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 33 | 40 | 1937 | 29 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 11 | 1899 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 3 | 1906 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1942 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 36 | 18 | 1943 | 10 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 17 | 3 | 1936 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1930 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.
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).