Wilbur Threshold Days by Year (USC00459238)

16 fixed thresholds counted per year at Wilbur (USC00459238): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilbur Thresholds

Wilbur: days with a maximum temperature at or above 30 C (86 F) in 114 years, most in 1922 with 75.
Wilbur: days with a maximum temperature at or above 90 F (32.2 C) in 114 years, most in 1938 with 47.
Wilbur: days with a maximum temperature at or below 0 C (32 F) in 114 years, most in 1985 with 86.
Wilbur: nights with a minimum temperature at or below 0 C (32 F) in 112 years, most in 1916 with 210.
16 fixed thresholds have at least one qualifying day at Wilbur.

Days at or above 30 C (86 F)

114 years with a qualifying day

Days per year at Wilbur with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 1922.

Days at or above 30 C (86 F) per year at Wilbur
Year	Days	Decade average
1901	39	30.2
1902	25	30.2
1903	26	30.2
1904	40	30.2
1905	23	30.2
1906	36	30.2
1907	16	30.2
1908	47	30.2
1909	20	30.2
1910	34	38.7
1911	43	38.7
1912	30	38.7
1913	37	38.7
1914	40	38.7
1915	46	38.7
1916	18	38.7
1917	50	38.7
1919	50	38.7
1920	45	48.6
1922	75	48.6
1923	38	48.6
1924	50	48.6
1925	56	48.6
1926	49	48.6
1927	38	48.6
1928	45	48.6
1929	41	48.6
1930	45	48.2
1931	46	48.2
1932	32	48.2
1933	39	48.2
1934	44	48.2
1935	41	48.2
1936	73	48.2
1937	53	48.2
1938	75	48.2
1939	34	48.2
1940	35	31.9
1941	31	31.9
1942	32	31.9
1943	29	31.9
1944	36	31.9
1945	31	31.9
1946	31	31.9
1947	30	31.9
1950	22	32.9
1951	20	32.9
1952	41	32.9
1953	31	32.9
1954	18	32.9
1955	35	32.9
1956	38	32.9
1957	27	32.9
1958	66	32.9
1959	31	32.9
1960	43	41.7
1961	57	41.7
1962	28	41.7
1963	42	41.7
1964	27	41.7
1965	40	41.7
1967	67	41.7
1968	31	41.7
1969	40	41.7
1971	39	37.1
1972	36	37.1
1973	44	37.1
1974	42	37.1
1975	28	37.1
1976	21	37.1
1977	47	37.1
1978	30	37.1
1979	47	37.1
1980	21	33.9
1981	38	33.9
1982	39	33.9
1983	27	33.9
1984	31	33.9
1985	35	33.9
1986	45	33.9
1987	42	33.9
1988	40	33.9
1989	21	33.9
1991	34	36.6
1992	43	36.6
1993	19	36.6
1994	45	36.6
1996	41	36.6
1997	32	36.6
1999	42	36.6
2000	34	46.6
2001	45	46.6
2002	48	46.6
2003	56	46.6
2004	47	46.6
2005	42	46.6
2006	63	46.6
2007	43	46.6
2008	44	46.6
2009	44	46.6
2010	29	36
2011	36	36
2014	37	36
2015	46	36
2016	32	36
2017	51	36
2018	32	36
2019	25	36
2020	38	45.2
2021	55	45.2
2022	46	45.2
2024	45	45.2
2025	49	45.2
2026	38	45.2

For each year, a bar from the first to the last day at Wilbur meeting 30 C (86 F).

First to last qualifying date each year at Wilbur
Year	First date	Last date
1901	1901-05-27	1901-08-31
1902	1902-05-27	1902-09-09
1903	1903-05-31	1903-09-22
1904	1904-06-27	1904-09-07
1905	1905-07-08	1905-08-11
1906	1906-05-10	1906-09-19
1907	1907-06-25	1907-09-10
1908	1908-05-06	1908-09-13
1909	1909-06-01	1909-09-07
1910	1910-04-24	1910-09-19
1911	1911-05-30	1911-09-11
1912	1912-06-07	1912-09-12
1913	1913-05-31	1913-09-17
1914	1914-05-31	1914-08-29
1915	1915-06-22	1915-09-05
1916	1916-06-14	1916-08-24
1917	1917-06-14	1917-09-20
1919	1919-05-21	1919-09-24
1920	1920-06-21	1920-09-04
1922	1922-05-15	1922-09-19
1923	1923-06-28	1923-09-14
1924	1924-05-10	1924-09-15
1925	1925-04-30	1925-09-22
1926	1926-04-26	1926-09-05
1927	1927-06-06	1927-08-23
1928	1928-05-20	1928-09-05
1929	1929-05-21	1929-09-17
1930	1930-06-06	1930-09-19
1931	1931-05-13	1931-09-03
1932	1932-06-12	1932-09-07
1933	1933-06-13	1933-08-29
1934	1934-05-25	1934-09-07
1935	1935-06-05	1935-10-02
1936	1936-04-17	1936-10-09
1937	1937-05-02	1937-09-19
1938	1938-05-23	1938-09-24
1939	1939-05-15	1939-09-21
1940	1940-05-24	1940-09-12
1941	1941-06-12	1941-08-23
1942	1942-06-30	1942-09-04
1943	1943-06-30	1943-09-25
1944	1944-06-11	1944-09-13
1945	1945-06-21	1945-08-31
1946	1946-06-21	1946-08-30
1947	1947-05-25	1947-09-02
1950	1950-06-29	1950-09-03
1951	1951-07-02	1951-08-10
1952	1952-06-09	1952-09-26
1953	1953-07-06	1953-09-15
1954	1954-05-15	1954-08-30
1955	1955-06-10	1955-09-10
1956	1956-05-17	1956-09-18
1957	1957-05-30	1957-09-24
1958	1958-05-20	1958-09-09
1959	1959-06-02	1959-09-13
1960	1960-06-28	1960-09-14
1961	1961-06-02	1961-08-29
1962	1962-06-24	1962-09-25
1963	1963-05-30	1963-09-29
1964	1964-06-26	1964-08-23
1965	1965-06-09	1965-08-19
1967	1967-06-15	1967-09-28
1968	1968-06-18	1968-09-09
1969	1969-05-23	1969-09-12
1971	1971-06-23	1971-08-31
1972	1972-05-30	1972-09-05
1973	1973-05-15	1973-09-12
1974	1974-06-12	1974-09-25
1975	1975-07-03	1975-09-16
1976	1976-07-09	1976-09-11
1977	1977-04-23	1977-08-22
1978	1978-06-03	1978-08-10
1979	1979-06-02	1979-09-20
1980	1980-07-07	1980-08-14
1981	1981-06-26	1981-09-19
1982	1982-06-11	1982-09-03
1983	1983-05-24	1983-08-31
1984	1984-07-11	1984-09-18
1985	1985-05-23	1985-08-26
1986	1986-05-25	1986-09-04
1987	1987-04-27	1987-09-24
1988	1988-05-12	1988-09-05
1989	1989-06-12	1989-09-24
1991	1991-07-01	1991-09-27
1992	1992-05-05	1992-09-30
1993	1993-05-11	1993-09-10
1994	1994-06-21	1994-09-27
1996	1996-06-07	1996-09-11
1997	1997-05-14	1997-09-26
1999	1999-05-24	1999-09-22
2000	2000-06-27	2000-09-14
2001	2001-05-22	2001-09-24
2002	2002-06-13	2002-09-15
2003	2003-05-24	2003-09-06
2004	2004-06-04	2004-09-01
2005	2005-05-28	2005-08-27
2006	2006-05-15	2006-09-08
2007	2007-05-31	2007-09-11
2008	2008-05-16	2008-10-01
2009	2009-05-29	2009-09-24
2010	2010-07-07	2010-08-26
2011	2011-06-28	2011-09-24
2014	2014-06-24	2014-09-22
2015	2015-06-07	2015-09-13
2016	2016-06-05	2016-08-31
2017	2017-05-31	2017-09-13
2018	2018-07-06	2018-09-07
2019	2019-06-13	2019-09-06
2020	2020-06-24	2020-09-12
2021	2021-06-02	2021-09-08
2022	2022-06-28	2022-09-28
2024	2024-06-23	2024-09-25
2025	2025-05-29	2025-09-18
2026	2026-05-29	2026-08-27

Every Fixed Threshold

Fixed thresholds at Wilbur
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	114	75	1922	38
35 C (95 F): Days	108	22	1922	5
40 C (104 F): Days	17	4	1922	1
90 F (32.2 C): Days	114	47	1938	20
100 F (37.8 C): Days	65	7	1938	2
110 F (43.3 C): Days	2	1	1922	1
0 C (32 F): Ice days (max	114	86	1985	12
0 C (32 F): Frost days (min	112	210	1916	106
-10 C (14 F): Days with min	111	63	1916	6
-20 C (-4 F): Days with min	77	23	1922	5
-30 C (-22 F): Days with min	11	3	1909	1
20 C (68 F): Tropical nights (min	24	4	2021	1
10 mm (0.39 in): Days with 10 mm or more rain	108	16	1906	2
25 mm (0.98 in): Days with 25 mm or more rain	33	3	1920	1
10 cm (3.9 in): Days with 10 cm or more snowfall	71	10	1950	3
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Wilbur threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Wilbur Threshold Days by Year (USC00459238)

Key Facts for Wilbur Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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