Allison Threshold Days by Year (USC00130157)

18 fixed thresholds counted per year at Allison (USC00130157): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allison Thresholds

Allison: days with a maximum temperature at or above 30 C (86 F) in 106 years, most in 1988 with 77.
Allison: days with a maximum temperature at or below 0 C (32 F) in 106 years, most in 1978 with 94.
Allison: nights with a minimum temperature at or below 0 C (32 F) in 106 years, most in 2013 with 178.
Allison: nights with a minimum temperature at or below -10 C (14 F) in 106 years, most in 2014 with 85.
18 fixed thresholds have at least one qualifying day at Allison.

Days at or above 30 C (86 F)

106 years with a qualifying day

Days per year at Allison with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1988.

Days at or above 30 C (86 F) per year at Allison
Year	Days	Decade average
1914	57	38.5
1915	9	38.5
1916	47	38.5
1917	26	38.5
1918	34	38.5
1919	58	38.5
1920	35	40.6
1921	67	40.6
1922	47	40.6
1923	48	40.6
1924	15	40.6
1925	47	40.6
1926	39	40.6
1927	37	40.6
1928	30	40.6
1931	74	57
1932	37	57
1933	67	57
1934	53	57
1935	47	57
1936	70	57
1937	60	57
1938	49	57
1939	56	57
1940	33	43.6
1941	49	43.6
1942	25	43.6
1943	47	43.6
1944	43	43.6
1945	32	43.6
1947	63	43.6
1949	57	43.6
1950	21	39.7
1951	13	39.7
1952	49	39.7
1953	42	39.7
1954	38	39.7
1955	63	39.7
1956	55	39.7
1957	40	39.7
1958	27	39.7
1959	49	39.7
1960	37	36.3
1961	45	36.3
1962	31	36.3
1963	47	36.3
1964	56	36.3
1965	21	36.3
1966	40	36.3
1967	18	36.3
1968	37	36.3
1969	31	36.3
1970	53	44.1
1971	55	44.1
1972	43	44.1
1973	46	44.1
1974	37	44.1
1975	59	44.1
1978	39	44.1
1979	21	44.1
1980	47	40.8
1981	24	40.8
1982	16	40.8
1983	54	40.8
1984	32	40.8
1985	32	40.8
1986	33	40.8
1987	54	40.8
1988	77	40.8
1989	39	40.8
1990	32	28.9
1991	44	28.9
1992	12	28.9
1993	18	28.9
1994	24	28.9
1995	32	28.9
1996	22	28.9
1997	33	28.9
1998	37	28.9
1999	35	28.9
2000	28	31.2
2001	43	31.2
2002	49	31.2
2003	32	31.2
2004	12	31.2
2005	41	31.2
2006	36	31.2
2007	37	31.2
2008	20	31.2
2009	14	31.2
2010	48	32.9
2011	42	32.9
2012	58	32.9
2013	39	32.9
2014	18	32.9
2015	19	32.9
2016	23	32.9
2017	26	32.9
2018	30	32.9
2019	26	32.9
2020	39	36
2021	52	36
2022	26	36
2023	37	36
2024	35	36
2026	27	36

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

First to last qualifying date each year at Allison
Year	First date	Last date
1914	1914-05-25	1914-09-05
1915	1915-06-27	1915-09-05
1916	1916-06-29	1916-09-06
1917	1917-05-17	1917-09-05
1918	1918-05-03	1918-10-12
1919	1919-05-28	1919-10-02
1920	1920-06-07	1920-10-11
1921	1921-05-20	1921-09-03
1922	1922-05-10	1922-10-05
1923	1923-06-01	1923-09-05
1924	1924-05-05	1924-08-30
1925	1925-04-22	1925-09-19
1926	1926-04-30	1926-09-21
1927	1927-06-28	1927-09-17
1928	1928-05-09	1928-10-10
1931	1931-04-08	1931-09-20
1932	1932-05-13	1932-08-31
1933	1933-06-01	1933-09-25
1934	1934-05-05	1934-09-13
1935	1935-06-12	1935-09-24
1936	1936-05-06	1936-09-22
1937	1937-05-29	1937-09-30
1938	1938-06-14	1938-10-09
1939	1939-04-24	1939-09-28
1940	1940-05-13	1940-09-21
1941	1941-05-19	1941-09-21
1942	1942-05-28	1942-09-01
1943	1943-05-28	1943-08-31
1944	1944-05-14	1944-09-17
1945	1945-06-22	1945-09-07
1947	1947-06-09	1947-10-22
1949	1949-04-25	1949-08-26
1950	1950-06-06	1950-09-18
1951	1951-07-07	1951-08-30
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-18
1954	1954-06-11	1954-09-18
1955	1955-04-18	1955-09-18
1956	1956-05-13	1956-10-12
1957	1957-06-04	1957-09-01
1958	1958-06-04	1958-10-15
1959	1959-05-02	1959-09-08
1960	1960-04-23	1960-09-07
1961	1961-05-12	1961-09-10
1962	1962-05-05	1962-09-12
1963	1963-05-08	1963-10-06
1964	1964-04-16	1964-09-09
1965	1965-05-01	1965-08-25
1966	1966-05-26	1966-09-01
1967	1967-05-18	1967-08-16
1968	1968-05-02	1968-09-03
1969	1969-05-27	1969-08-30
1970	1970-04-27	1970-09-20
1971	1971-05-15	1971-09-30
1972	1972-05-17	1972-09-18
1973	1973-06-07	1973-09-01
1974	1974-06-03	1974-09-26
1975	1975-05-18	1975-10-13
1978	1978-05-25	1978-09-12
1979	1979-05-30	1979-09-10
1980	1980-04-21	1980-09-12
1981	1981-04-27	1981-09-11
1982	1982-06-24	1982-08-19
1983	1983-06-21	1983-09-09
1984	1984-06-22	1984-09-19
1985	1985-04-18	1985-09-19
1986	1986-05-31	1986-09-26
1987	1987-04-20	1987-08-21
1988	1988-05-14	1988-09-19
1989	1989-05-29	1989-08-23
1990	1990-06-10	1990-10-05
1991	1991-04-06	1991-09-07
1992	1992-05-01	1992-08-10
1993	1993-06-17	1993-10-07
1994	1994-04-18	1994-09-15
1995	1995-06-15	1995-09-13
1996	1996-05-17	1996-08-21
1997	1997-06-13	1997-10-06
1998	1998-05-14	1998-09-27
1999	1999-05-27	1999-09-04
2000	2000-06-01	2000-09-18
2001	2001-05-15	2001-08-26
2002	2002-04-15	2002-09-30
2003	2003-04-14	2003-09-11
2004	2004-04-16	2004-07-22
2005	2005-06-06	2005-10-04
2006	2006-04-13	2006-10-03
2007	2007-04-30	2007-10-07
2008	2008-06-08	2008-09-03
2009	2009-04-25	2009-08-15
2010	2010-05-24	2010-10-10
2011	2011-04-11	2011-09-12
2012	2012-05-16	2012-09-12
2013	2013-05-15	2013-09-19
2014	2014-05-08	2014-09-05
2015	2015-06-10	2015-09-17
2016	2016-05-07	2016-09-07
2017	2017-05-17	2017-09-25
2018	2018-05-25	2018-09-21
2019	2019-05-17	2019-10-01
2020	2020-06-02	2020-09-07
2021	2021-05-02	2021-09-30
2022	2022-05-10	2022-09-21
2023	2023-04-14	2023-10-03
2024	2024-05-18	2024-10-06
2026	2026-05-16	2026-09-01

Every Fixed Threshold

Fixed thresholds at Allison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	106	77	1988	27
35 C (95 F): Days	76	32	1936	2
40 C (104 F): Days	5	10	1936	1
90 F (32.2 C): Days	105	56	1936	7
100 F (37.8 C): Days	24	18	1936	1
0 C (32 F): Ice days (max	106	94	1978	37
0 C (32 F): Frost days (min	106	178	2013	85
-10 C (14 F): Days with min	106	85	2014	32
-20 C (-4 F): Days with min	106	39	1978	7
-30 C (-22 F): Days with min	28	6	1936	3
20 C (68 F): Tropical nights (min	105	30	2001	16
25 C (77 F): Days with min	18	2	1987	1
10 mm (0.39 in): Days with 10 mm or more rain	99	46	1951	38
25 mm (0.98 in): Days with 25 mm or more rain	99	17	2018	16
50 mm (1.97 in): Days with 50 mm or more rain	82	5	2018	5
100 mm (3.94 in): Days with 100 mm or more rain	12	1	1922	1
10 cm (3.9 in): Days with 10 cm or more snowfall	85	10	1951	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	1	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Allison 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).

Allison Threshold Days by Year (USC00130157)

Key Facts for Allison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related