Audubon Threshold Days by Year (USC00130385)

21 fixed thresholds counted per year at Audubon (USC00130385): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Audubon Thresholds

Audubon: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 2022 with 181.
Audubon: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1893 with 85.
Audubon: nights with a minimum temperature at or above 20 C (68 F) in 121 years, most in 1936 with 41.
Audubon: days with a maximum temperature at or above 30 C (86 F) in 120 years, most in 1936 with 94.
21 fixed thresholds have at least one qualifying day at Audubon.

Days at or above 30 C (86 F)

120 years with a qualifying day

Days per year at Audubon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1936.

Days at or above 30 C (86 F) per year at Audubon
Year	Days	Decade average
1893	69	52.3
1894	76	52.3
1895	46	52.3
1896	33	52.3
1897	67	52.3
1898	38	52.3
1899	37	52.3
1904	28	43.3
1905	41	43.3
1906	51	43.3
1907	51	43.3
1908	46	43.3
1909	43	43.3
1910	38	50
1911	68	50
1912	32	50
1913	63	50
1914	52	50
1916	55	50
1917	42	50
1921	74	44.3
1922	52	44.3
1923	42	44.3
1924	22	44.3
1925	55	44.3
1926	52	44.3
1928	31	44.3
1929	26	44.3
1930	61	71.1
1931	71	71.1
1932	48	71.1
1933	70	71.1
1934	86	71.1
1935	62	71.1
1936	94	71.1
1937	80	71.1
1938	66	71.1
1939	73	71.1
1940	49	45.1
1941	54	45.1
1942	43	45.1
1943	52	45.1
1944	46	45.1
1945	28	45.1
1946	38	45.1
1947	58	45.1
1948	42	45.1
1949	41	45.1
1950	12	42.4
1951	14	42.4
1955	74	42.4
1956	65	42.4
1957	44	42.4
1958	34	42.4
1959	54	42.4
1960	41	50.3
1961	44	50.3
1962	49	50.3
1963	63	50.3
1964	56	50.3
1965	50	50.3
1966	46	50.3
1967	41	50.3
1968	67	50.3
1969	46	50.3
1970	71	54.1
1971	62	54.1
1972	46	54.1
1973	51	54.1
1974	48	54.1
1975	62	54.1
1976	51	54.1
1977	45	54.1
1978	62	54.1
1979	43	54.1
1980	72	57.5
1981	57	57.5
1982	44	57.5
1983	82	57.5
1984	58	57.5
1985	54	57.5
1986	42	57.5
1987	65	57.5
1988	65	57.5
1989	36	57.5
1990	44	32.7
1991	49	32.7
1992	16	32.7
1993	21	32.7
1994	30	32.7
1995	40	32.7
1996	24	32.7
1997	40	32.7
1998	33	32.7
1999	30	32.7
2000	37	32.6
2002	54	32.6
2003	32	32.6
2004	16	32.6
2005	52	32.6
2006	41	32.6
2008	19	32.6
2009	10	32.6
2010	26	31
2011	31	31
2012	65	31
2013	34	31
2014	8	31
2015	16	31
2016	34	31
2017	31	31
2018	40	31
2019	25	31
2020	50	39.9
2021	43	39.9
2022	39	39.9
2023	39	39.9
2024	32	39.9
2025	30	39.9
2026	46	39.9

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

First to last qualifying date each year at Audubon
Year	First date	Last date
1893	1893-05-13	1893-09-18
1894	1894-04-28	1894-09-07
1895	1895-05-08	1895-09-21
1896	1896-05-24	1896-08-21
1897	1897-06-10	1897-10-14
1898	1898-04-16	1898-09-28
1899	1899-06-12	1899-10-12
1904	1904-05-22	1904-10-04
1905	1905-06-01	1905-09-27
1906	1906-04-24	1906-09-16
1907	1907-03-25	1907-09-19
1908	1908-05-16	1908-09-23
1909	1909-05-05	1909-08-27
1910	1910-06-15	1910-09-21
1911	1911-05-09	1911-09-17
1912	1912-06-25	1912-09-09
1913	1913-05-29	1913-09-07
1914	1914-05-24	1914-09-06
1916	1916-05-06	1916-10-07
1917	1917-05-17	1917-09-16
1921	1921-05-20	1921-09-23
1922	1922-06-07	1922-10-06
1923	1923-06-01	1923-09-05
1924	1924-05-05	1924-10-11
1925	1925-04-22	1925-09-19
1926	1926-04-29	1926-09-17
1928	1928-05-09	1928-09-09
1929	1929-04-04	1929-08-30
1930	1930-05-21	1930-10-10
1931	1931-04-08	1931-09-20
1932	1932-05-13	1932-09-18
1933	1933-05-18	1933-09-25
1934	1934-05-05	1934-09-13
1935	1935-06-12	1935-09-24
1936	1936-05-05	1936-09-22
1937	1937-05-20	1937-10-29
1938	1938-06-05	1938-10-15
1939	1939-05-16	1939-10-06
1940	1940-05-13	1940-09-22
1941	1941-05-14	1941-09-20
1942	1942-05-28	1942-09-16
1943	1943-05-28	1943-09-05
1944	1944-05-11	1944-09-02
1945	1945-05-20	1945-09-07
1946	1946-04-19	1946-09-26
1947	1947-06-09	1947-10-21
1948	1948-04-18	1948-09-19
1949	1949-04-25	1949-08-26
1950	1950-04-22	1950-08-23
1951	1951-07-07	1951-08-30
1955	1955-05-02	1955-10-10
1956	1956-04-02	1956-10-12
1957	1957-06-04	1957-08-31
1958	1958-05-11	1958-09-24
1959	1959-05-01	1959-09-08
1960	1960-04-22	1960-10-11
1961	1961-06-10	1961-09-10
1962	1962-05-05	1962-09-15
1963	1963-05-08	1963-10-14
1964	1964-04-16	1964-09-09
1965	1965-04-29	1965-08-27
1966	1966-05-05	1966-08-31
1967	1967-05-18	1967-09-25
1968	1968-03-30	1968-09-02
1969	1969-05-26	1969-10-03
1970	1970-04-28	1970-09-29
1971	1971-06-03	1971-09-30
1972	1972-04-06	1972-09-19
1973	1973-05-21	1973-09-04
1974	1974-06-03	1974-09-18
1975	1975-05-18	1975-10-13
1976	1976-05-20	1976-10-03
1977	1977-04-09	1977-08-26
1978	1978-05-19	1978-09-18
1979	1979-05-17	1979-09-10
1980	1980-04-20	1980-09-21
1981	1981-04-25	1981-09-30
1982	1982-06-24	1982-09-11
1983	1983-05-24	1983-09-26
1984	1984-05-17	1984-09-19
1985	1985-04-18	1985-09-20
1986	1986-03-29	1986-09-21
1987	1987-04-19	1987-09-04
1988	1988-05-14	1988-09-18
1989	1989-04-24	1989-09-01
1990	1990-06-11	1990-09-26
1991	1991-04-06	1991-09-13
1992	1992-04-30	1992-08-09
1993	1993-05-27	1993-09-13
1994	1994-04-18	1994-09-30
1995	1995-06-07	1995-08-30
1996	1996-04-11	1996-08-07
1997	1997-05-18	1997-10-08
1998	1998-05-19	1998-09-30
1999	1999-06-06	1999-09-08
2000	2000-05-12	2000-09-19
2002	2002-04-19	2002-10-01
2003	2003-04-02	2003-10-20
2004	2004-04-17	2004-09-20
2005	2005-06-07	2005-10-05
2006	2006-04-14	2006-10-04
2008	2008-05-26	2008-09-24
2009	2009-04-25	2009-08-13
2010	2010-05-25	2010-10-09
2011	2011-05-10	2011-09-02
2012	2012-04-02	2012-09-05
2013	2013-05-15	2013-09-19
2014	2014-05-08	2014-09-05
2015	2015-06-10	2015-09-07
2016	2016-06-10	2016-09-25
2017	2017-05-16	2017-09-25
2018	2018-05-24	2018-10-04
2019	2019-05-17	2019-10-01
2020	2020-06-02	2020-09-27
2021	2021-04-27	2021-09-29
2022	2022-05-10	2022-09-21
2023	2023-05-31	2023-10-03
2024	2024-06-12	2024-10-06
2025	2025-06-03	2025-10-04
2026	2026-03-22	2026-10-12

Every Fixed Threshold

Fixed thresholds at Audubon
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	120	94	1936	46
35 C (95 F): Days	94	51	1936	2
40 C (104 F): Days	10	21	1936	2
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	119	74	1936	14
100 F (37.8 C): Days	34	33	1936	1
110 F (43.3 C): Days	2	2	1936	2
0 C (32 F): Ice days (max	120	84	2010	28
0 C (32 F): Frost days (min	121	181	2022	89
-10 C (14 F): Days with min	121	85	1893	35
-20 C (-4 F): Days with min	119	38	1963	8
-30 C (-22 F): Days with min	31	8	1905	2
20 C (68 F): Tropical nights (min	121	41	1936	19
25 C (77 F): Days with min	17	7	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	120	41	1909	29
25 mm (0.98 in): Days with 25 mm or more rain	120	18	2018	11
50 mm (1.97 in): Days with 50 mm or more rain	98	5	1946	2
100 mm (3.94 in): Days with 100 mm or more rain	11	1	1895	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1958	1
10 cm (3.9 in): Days with 10 cm or more snowfall	85	6	1932	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	2005	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Audubon 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).

Audubon Threshold Days by Year (USC00130385)

Key Facts for Audubon Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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