Dwight Threshold Days by Year (USC00112497)
18 fixed thresholds counted per year at Dwight (USC00112497): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dwight Thresholds
- Dwight: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1927 with 42.
- Dwight: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1927 with 17.
- Dwight: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1921 with 81.
- Dwight: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1921 with 54.
- 18 fixed thresholds have at least one qualifying day at Dwight.
Days at or above 30 C (86 F)
36 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1897 | 71 | 66 |
| 1898 | 61 | 66 |
| 1900 | 61 | 59 |
| 1901 | 76 | 59 |
| 1902 | 44 | 59 |
| 1906 | 61 | 59 |
| 1907 | 40 | 59 |
| 1908 | 74 | 59 |
| 1909 | 57 | 59 |
| 1910 | 59 | 58 |
| 1911 | 69 | 58 |
| 1912 | 55 | 58 |
| 1913 | 71 | 58 |
| 1914 | 73 | 58 |
| 1915 | 28 | 58 |
| 1916 | 68 | 58 |
| 1917 | 37 | 58 |
| 1918 | 51 | 58 |
| 1919 | 69 | 58 |
| 1920 | 58 | 54.1 |
| 1921 | 81 | 54.1 |
| 1922 | 70 | 54.1 |
| 1923 | 49 | 54.1 |
| 1924 | 26 | 54.1 |
| 1925 | 71 | 54.1 |
| 1926 | 42 | 54.1 |
| 1927 | 36 | 54.1 |
| 1939 | 30 | 30 |
| 1940 | 40 | 29.4 |
| 1941 | 40 | 29.4 |
| 1942 | 27 | 29.4 |
| 1943 | 31 | 29.4 |
| 1944 | 35 | 29.4 |
| 1945 | 17 | 29.4 |
| 1946 | 11 | 29.4 |
| 1947 | 34 | 29.4 |
| Year | First date | Last date |
|---|---|---|
| 1897 | 1897-05-07 | 1897-10-15 |
| 1898 | 1898-05-24 | 1898-09-29 |
| 1900 | 1900-05-13 | 1900-09-26 |
| 1901 | 1901-04-30 | 1901-10-01 |
| 1902 | 1902-04-21 | 1902-08-30 |
| 1906 | 1906-05-14 | 1906-09-21 |
| 1907 | 1907-06-15 | 1907-10-02 |
| 1908 | 1908-05-16 | 1908-09-26 |
| 1909 | 1909-05-05 | 1909-09-20 |
| 1910 | 1910-04-29 | 1910-10-17 |
| 1911 | 1911-05-09 | 1911-09-14 |
| 1912 | 1912-05-20 | 1912-10-06 |
| 1913 | 1913-05-02 | 1913-10-10 |
| 1914 | 1914-05-10 | 1914-09-21 |
| 1915 | 1915-04-25 | 1915-09-16 |
| 1916 | 1916-05-25 | 1916-10-08 |
| 1917 | 1917-05-17 | 1917-09-05 |
| 1918 | 1918-05-04 | 1918-08-28 |
| 1919 | 1919-05-29 | 1919-10-03 |
| 1920 | 1920-06-08 | 1920-10-11 |
| 1921 | 1921-05-18 | 1921-09-29 |
| 1922 | 1922-05-10 | 1922-10-05 |
| 1923 | 1923-06-03 | 1923-08-31 |
| 1924 | 1924-05-05 | 1924-09-21 |
| 1925 | 1925-04-18 | 1925-09-19 |
| 1926 | 1926-04-30 | 1926-10-03 |
| 1927 | 1927-05-21 | 1927-09-17 |
| 1939 | 1939-05-24 | 1939-09-24 |
| 1940 | 1940-06-04 | 1940-09-21 |
| 1941 | 1941-05-27 | 1941-09-04 |
| 1942 | 1942-04-30 | 1942-08-22 |
| 1943 | 1943-06-12 | 1943-08-31 |
| 1944 | 1944-06-02 | 1944-09-03 |
| 1945 | 1945-06-24 | 1945-09-09 |
| 1946 | 1946-06-16 | 1946-09-06 |
| 1947 | 1947-07-12 | 1947-09-11 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 36 | 81 | 1921 | 34 |
| 35 C (95 F): Days | 29 | 29 | 1916 | 8 |
| 40 C (104 F): Days | 5 | 5 | 1916 | 1 |
| 90 F (32.2 C): Days | 36 | 54 | 1921 | 18 |
| 100 F (37.8 C): Days | 15 | 17 | 1916 | 1 |
| 0 C (32 F): Ice days (max | 36 | 60 | 1912 | 46 |
| 0 C (32 F): Frost days (min | 36 | 160 | 1901 | 135 |
| -10 C (14 F): Days with min | 36 | 52 | 1912 | 30 |
| -20 C (-4 F): Days with min | 30 | 18 | 1917 | 6 |
| -30 C (-22 F): Days with min | 2 | 1 | 1924 | 1 |
| 20 C (68 F): Tropical nights (min | 36 | 42 | 1943 | 28 |
| 25 C (77 F): Days with min | 6 | 3 | 1901 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 44 | 42 | 1927 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 44 | 17 | 1927 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 28 | 3 | 1923 | 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 | 16 | 4 | 1950 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1920 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.
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).