Hays 1 S Threshold Days by Year (USC00143527)

20 fixed thresholds counted per year at Hays 1 S (USC00143527): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hays 1 S Thresholds

Hays 1 S: days with a maximum temperature at or above 30 C (86 F) in 133 years, most in 1939 with 128.
Hays 1 S: days with a maximum temperature at or above 35 C (95 F) in 133 years, most in 1936 with 74.
Hays 1 S: days with a maximum temperature at or above 90 F (32.2 C) in 133 years, most in 1956 with 97.
Hays 1 S: days with a maximum temperature at or below 0 C (32 F) in 133 years, most in 1978 with 53.
20 fixed thresholds have at least one qualifying day at Hays 1 S.

Days at or above 30 C (86 F)

133 years with a qualifying day

Days per year at Hays 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 1939.

Days at or above 30 C (86 F) per year at Hays 1 S
Year	Days	Decade average
1893	102	98.4
1894	103	98.4
1895	92	98.4
1896	102	98.4
1897	108	98.4
1898	84	98.4
1899	98	98.4
1900	101	86.9
1901	102	86.9
1902	76	86.9
1903	66	86.9
1905	84	86.9
1906	84	86.9
1907	96	86.9
1908	84	86.9
1909	89	86.9
1910	91	85.1
1911	107	85.1
1912	77	85.1
1913	93	85.1
1914	99	85.1
1915	34	85.1
1916	85	85.1
1917	76	85.1
1918	96	85.1
1919	93	85.1
1920	91	88.4
1921	108	88.4
1922	103	88.4
1923	80	88.4
1924	82	88.4
1925	89	88.4
1926	106	88.4
1927	83	88.4
1928	66	88.4
1929	76	88.4
1930	85	106.4
1931	116	106.4
1932	97	106.4
1933	109	106.4
1934	116	106.4
1935	84	106.4
1936	108	106.4
1937	112	106.4
1938	109	106.4
1939	128	106.4
1940	95	88.2
1941	86	88.2
1942	93	88.2
1943	104	88.2
1944	79	88.2
1945	88	88.2
1946	89	88.2
1947	92	88.2
1948	84	88.2
1949	72	88.2
1950	55	87.1
1951	53	87.1
1952	105	87.1
1953	103	87.1
1954	111	87.1
1955	96	87.1
1956	122	87.1
1957	70	87.1
1958	68	87.1
1959	88	87.1
1960	82	80.7
1961	66	80.7
1962	76	80.7
1963	104	80.7
1964	96	80.7
1965	71	80.7
1966	90	80.7
1967	66	80.7
1968	91	80.7
1969	65	80.7
1970	102	86.1
1971	86	86.1
1972	82	86.1
1973	79	86.1
1974	64	86.1
1975	85	86.1
1976	86	86.1
1977	87	86.1
1978	92	86.1
1979	98	86.1
1980	101	87.3
1981	83	87.3
1982	72	87.3
1983	97	87.3
1984	94	87.3
1985	64	87.3
1986	89	87.3
1987	87	87.3
1988	101	87.3
1989	85	87.3
1990	88	82.3
1991	110	82.3
1992	57	82.3
1993	63	82.3
1994	98	82.3
1995	84	82.3
1996	70	82.3
1997	78	82.3
1998	102	82.3
1999	73	82.3
2000	97	87.9
2001	98	87.9
2002	103	87.9
2003	88	87.9
2004	79	87.9
2005	94	87.9
2006	100	87.9
2007	84	87.9
2008	68	87.9
2009	68	87.9
2010	94	98.4
2011	105	98.4
2012	114	98.4
2013	94	98.4
2014	98	98.4
2015	104	98.4
2016	94	98.4
2017	89	98.4
2018	101	98.4
2019	91	98.4
2020	91	99.4
2021	93	99.4
2022	112	99.4
2023	99	99.4
2024	102	99.4
2025	87	99.4
2026	112	99.4

For each year, a bar from the first to the last day at Hays 1 S meeting 30 C (86 F).

First to last qualifying date each year at Hays 1 S
Year	First date	Last date
1893	1893-03-30	1893-10-09
1894	1894-04-07	1894-10-24
1895	1895-03-27	1895-09-25
1896	1896-03-27	1896-10-04
1897	1897-04-18	1897-10-26
1898	1898-04-15	1898-10-01
1899	1899-04-11	1899-10-22
1900	1900-05-05	1900-10-28
1901	1901-03-03	1901-09-28
1902	1902-04-21	1902-09-17
1903	1903-04-24	1903-10-20
1905	1905-04-08	1905-10-07
1906	1906-04-11	1906-10-12
1907	1907-03-19	1907-10-14
1908	1908-04-06	1908-10-16
1909	1909-04-17	1909-10-06
1910	1910-03-21	1910-10-16
1911	1911-04-29	1911-10-14
1912	1912-04-06	1912-10-28
1913	1913-04-30	1913-10-14
1914	1914-04-17	1914-10-17
1915	1915-05-13	1915-10-29
1916	1916-03-17	1916-10-07
1917	1917-03-30	1917-10-01
1918	1918-05-15	1918-10-16
1919	1919-06-07	1919-10-02
1920	1920-05-22	1920-10-11
1921	1921-03-18	1921-10-24
1922	1922-05-05	1922-10-28
1923	1923-05-31	1923-09-27
1924	1924-04-15	1924-10-01
1925	1925-03-23	1925-09-29
1926	1926-04-17	1926-10-27
1927	1927-04-26	1927-10-27
1928	1928-04-02	1928-10-10
1929	1929-04-03	1929-10-16
1930	1930-04-09	1930-09-28
1931	1931-04-07	1931-11-07
1932	1932-04-01	1932-10-12
1933	1933-04-18	1933-09-29
1934	1934-04-10	1934-10-26
1935	1935-03-15	1935-09-25
1936	1936-04-12	1936-10-19
1937	1937-04-16	1937-10-29
1938	1938-04-18	1938-10-31
1939	1939-04-22	1939-10-26
1940	1940-04-01	1940-10-25
1941	1941-05-13	1941-09-27
1942	1942-04-04	1942-10-08
1943	1943-03-29	1943-10-19
1944	1944-05-15	1944-09-23
1945	1945-04-09	1945-11-05
1946	1946-03-31	1946-09-27
1947	1947-05-04	1947-10-22
1948	1948-04-11	1948-10-16
1949	1949-04-23	1949-10-08
1950	1950-03-26	1950-11-01
1951	1951-04-29	1951-10-04
1952	1952-04-09	1952-10-26
1953	1953-04-22	1953-10-12
1954	1954-04-07	1954-10-10
1955	1955-04-16	1955-10-12
1956	1956-03-26	1956-10-14
1957	1957-04-20	1957-10-07
1958	1958-05-27	1958-10-20
1959	1959-04-03	1959-10-26
1960	1960-04-22	1960-10-11
1961	1961-04-20	1961-10-18
1962	1962-04-21	1962-10-15
1963	1963-03-29	1963-10-11
1964	1964-04-02	1964-10-08
1965	1965-04-21	1965-10-11
1966	1966-04-01	1966-10-14
1967	1967-03-24	1967-10-13
1968	1968-03-29	1968-10-31
1969	1969-05-27	1969-10-04
1970	1970-02-18	1970-10-05
1971	1971-04-01	1971-10-11
1972	1972-03-01	1972-10-11
1973	1973-05-19	1973-10-24
1974	1974-05-11	1974-10-11
1975	1975-04-18	1975-10-23
1976	1976-03-26	1976-10-15
1977	1977-04-09	1977-10-21
1978	1978-04-01	1978-10-21
1979	1979-05-07	1979-10-20
1980	1980-04-21	1980-11-07
1981	1981-04-11	1981-10-04
1982	1982-04-13	1982-10-06
1983	1983-05-25	1983-10-06
1984	1984-04-26	1984-09-24
1985	1985-04-19	1985-10-08
1986	1986-03-29	1986-09-29
1987	1987-04-18	1987-10-05
1988	1988-03-22	1988-10-16
1989	1989-04-17	1989-10-15
1990	1990-04-23	1990-10-27
1991	1991-04-06	1991-10-23
1992	1992-04-11	1992-10-05
1993	1993-05-15	1993-10-07
1994	1994-03-23	1994-10-01
1995	1995-03-22	1995-10-17
1996	1996-04-03	1996-09-12
1997	1997-03-21	1997-10-07
1998	1998-05-12	1998-10-15
1999	1999-05-31	1999-10-15
2000	2000-04-06	2000-09-30
2001	2001-04-20	2001-10-09
2002	2002-04-02	2002-10-02
2003	2003-04-02	2003-10-23
2004	2004-04-17	2004-09-21
2005	2005-05-11	2005-10-19
2006	2006-04-12	2006-11-09
2007	2007-04-30	2007-10-21
2008	2008-05-01	2008-09-29
2009	2009-04-25	2009-10-01
2010	2010-04-06	2010-10-09
2011	2011-04-04	2011-10-25
2012	2012-03-14	2012-09-20
2013	2013-03-16	2013-10-04
2014	2014-04-10	2014-10-26
2015	2015-01-28	2015-10-21
2016	2016-02-19	2016-11-01
2017	2017-03-20	2017-09-24
2018	2018-04-13	2018-10-04
2019	2019-04-09	2019-10-01
2020	2020-04-07	2020-10-12
2021	2021-04-05	2021-09-29
2022	2022-03-30	2022-10-24
2023	2023-04-13	2023-10-24
2024	2024-04-14	2024-10-12
2025	2025-03-11	2025-10-12
2026	2026-03-20	2026-09-20

Every Fixed Threshold

Fixed thresholds at Hays 1 S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	133	128	1939	112
35 C (95 F): Days	133	74	1936	47
40 C (104 F): Days	109	35	1934	10
45 C (113 F): Days	8	6	1936	2
90 F (32.2 C): Days	133	97	1956	89
100 F (37.8 C): Days	128	54	1936	25
110 F (43.3 C): Days	32	11	1936	3
0 C (32 F): Ice days (max	133	53	1978	9
0 C (32 F): Frost days (min	130	163	1917	70
-10 C (14 F): Days with min	130	75	1895	13
-20 C (-4 F): Days with min	109	16	1895	4
-30 C (-22 F): Days with min	8	2	1905	1
20 C (68 F): Tropical nights (min	130	55	1936	50
25 C (77 F): Days with min	65	13	1936	3
10 mm (0.39 in): Days with 10 mm or more rain	129	34	1951	14
25 mm (0.98 in): Days with 25 mm or more rain	126	14	1951	8
50 mm (1.97 in): Days with 50 mm or more rain	86	4	1898	1
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1902	1
10 cm (3.9 in): Days with 10 cm or more snowfall	85	6	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1901	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 Hays 1 S 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).

Hays 1 S Threshold Days by Year (USC00143527)

Key Facts for Hays 1 S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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