Adel Threshold Days by Year (USC00240056)
18 fixed thresholds counted per year at Adel (USC00240056): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Adel Thresholds
- Adel: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1927 with 38.
- Adel: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 2019 with 83.
- Adel: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1936 with 51.
- Adel: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1924 with 252.
- 18 fixed thresholds have at least one qualifying day at Adel.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1899 | 4 | 4 |
| 1901 | 9 | 9 |
| 1904 | 7 | 9 |
| 1906 | 11 | 9 |
| 1908 | 8 | 9 |
| 1909 | 10 | 9 |
| 1910 | 21 | 13.9 |
| 1911 | 1 | 13.9 |
| 1912 | 4 | 13.9 |
| 1913 | 6 | 13.9 |
| 1914 | 16 | 13.9 |
| 1915 | 4 | 13.9 |
| 1916 | 9 | 13.9 |
| 1917 | 26 | 13.9 |
| 1918 | 11 | 13.9 |
| 1919 | 41 | 13.9 |
| 1920 | 16 | 10.2 |
| 1921 | 9 | 10.2 |
| 1922 | 14 | 10.2 |
| 1923 | 8 | 10.2 |
| 1924 | 9 | 10.2 |
| 1925 | 18 | 10.2 |
| 1926 | 14 | 10.2 |
| 1927 | 1 | 10.2 |
| 1928 | 3 | 10.2 |
| 1932 | 18 | 28 |
| 1935 | 33 | 28 |
| 1936 | 51 | 28 |
| 1937 | 25 | 28 |
| 1938 | 14 | 28 |
| 1939 | 27 | 28 |
| 1940 | 35 | 23.3 |
| 1941 | 15 | 23.3 |
| 1942 | 26 | 23.3 |
| 1944 | 4 | 23.3 |
| 1945 | 30 | 23.3 |
| 1946 | 25 | 23.3 |
| 1947 | 28 | 23.3 |
| 2014 | 4 | 11.5 |
| 2015 | 15 | 11.5 |
| 2016 | 8 | 11.5 |
| 2017 | 22 | 11.5 |
| 2018 | 16 | 11.5 |
| 2019 | 4 | 11.5 |
| 2020 | 9 | 19 |
| 2021 | 29 | 19 |
| 2022 | 26 | 19 |
| 2023 | 12 | 19 |
| 2024 | 23 | 19 |
| 2025 | 15 | 19 |
| 2026 | 19 | 19 |
| Year | First date | Last date |
|---|---|---|
| 1899 | 1899-07-10 | 1899-07-19 |
| 1901 | 1901-07-18 | 1901-08-25 |
| 1904 | 1904-06-30 | 1904-09-08 |
| 1906 | 1906-07-22 | 1906-09-07 |
| 1908 | 1908-07-08 | 1908-09-06 |
| 1909 | 1909-06-30 | 1909-08-30 |
| 1910 | 1910-06-26 | 1910-08-19 |
| 1911 | 1911-07-25 | 1911-07-25 |
| 1912 | 1912-06-24 | 1912-07-30 |
| 1913 | 1913-07-09 | 1913-08-28 |
| 1914 | 1914-06-01 | 1914-09-03 |
| 1915 | 1915-08-06 | 1915-08-31 |
| 1916 | 1916-07-12 | 1916-09-02 |
| 1917 | 1917-07-08 | 1917-09-21 |
| 1918 | 1918-06-09 | 1918-09-21 |
| 1919 | 1919-05-19 | 1919-09-11 |
| 1920 | 1920-07-15 | 1920-08-23 |
| 1921 | 1921-06-29 | 1921-08-30 |
| 1922 | 1922-06-21 | 1922-09-26 |
| 1923 | 1923-05-09 | 1923-08-18 |
| 1924 | 1924-07-03 | 1924-09-16 |
| 1925 | 1925-06-20 | 1925-09-03 |
| 1926 | 1926-06-26 | 1926-08-26 |
| 1927 | 1927-07-20 | 1927-07-20 |
| 1928 | 1928-07-24 | 1928-08-10 |
| 1932 | 1932-06-22 | 1932-09-06 |
| 1935 | 1935-06-28 | 1935-09-22 |
| 1936 | 1936-05-26 | 1936-09-22 |
| 1937 | 1937-06-21 | 1937-08-27 |
| 1938 | 1938-07-11 | 1938-09-24 |
| 1939 | 1939-07-09 | 1939-09-01 |
| 1940 | 1940-06-12 | 1940-09-11 |
| 1941 | 1941-06-22 | 1941-08-11 |
| 1942 | 1942-07-02 | 1942-08-24 |
| 1944 | 1944-06-30 | 1944-09-13 |
| 1945 | 1945-06-21 | 1945-09-04 |
| 1946 | 1946-07-11 | 1946-09-14 |
| 1947 | 1947-07-02 | 1947-09-04 |
| 2014 | 2014-07-04 | 2014-08-13 |
| 2015 | 2015-06-27 | 2015-08-27 |
| 2016 | 2016-07-20 | 2016-09-01 |
| 2017 | 2017-06-27 | 2017-09-04 |
| 2018 | 2018-07-07 | 2018-08-17 |
| 2019 | 2019-07-23 | 2019-08-22 |
| 2020 | 2020-07-22 | 2020-09-06 |
| 2021 | 2021-06-03 | 2021-09-08 |
| 2022 | 2022-06-17 | 2022-09-07 |
| 2023 | 2023-07-22 | 2023-08-28 |
| 2024 | 2024-07-09 | 2024-09-07 |
| 2025 | 2025-06-30 | 2025-09-02 |
| 2026 | 2026-07-10 | 2026-08-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 51 | 1936 | 19 |
| 35 C (95 F): Days | 11 | 19 | 1936 | 2 |
| 40 C (104 F): Days | 1 | 1 | 1936 | 1 |
| 90 F (32.2 C): Days | 40 | 40 | 1936 | 6 |
| 100 F (37.8 C): Days | 2 | 6 | 1936 | 2 |
| 0 C (32 F): Ice days (max | 52 | 83 | 2019 | 18 |
| 0 C (32 F): Frost days (min | 51 | 252 | 1924 | 95 |
| -10 C (14 F): Days with min | 51 | 96 | 1927 | 19 |
| -20 C (-4 F): Days with min | 51 | 46 | 1936 | 7 |
| -30 C (-22 F): Days with min | 44 | 15 | 1916 | 1 |
| -40 C (-40 F): Days with min | 8 | 6 | 1936 | 1 |
| 20 C (68 F): Tropical nights (min | 9 | 4 | 1921 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 38 | 1927 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 9 | 1908 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 2 | 1909 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 34 | 22 | 1924 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 24 | 4 | 1924 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 8 | 1 | 1908 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.
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 (2026-10-12).