Clay Ctr Threshold Days by Year (USC00141559)

20 fixed thresholds counted per year at Clay Ctr (USC00141559): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clay Ctr Thresholds

Clay Ctr: days with a maximum temperature at or above 30 C (86 F) in 120 years, most in 1956 with 130.
Clay Ctr: days with a maximum temperature at or above 35 C (95 F) in 120 years, most in 1913 with 83.
Clay Ctr: days with a maximum temperature at or above 90 F (32.2 C) in 120 years, most in 1911 with 101.
Clay Ctr: days with a maximum temperature at or below 0 C (32 F) in 120 years, most in 1978 with 54.
20 fixed thresholds have at least one qualifying day at Clay Ctr.

Days at or above 30 C (86 F)

120 years with a qualifying day

Days per year at Clay Ctr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 1956.

Days at or above 30 C (86 F) per year at Clay Ctr
Year	Days	Decade average
1903	64	82.4
1904	61	82.4
1905	87	82.4
1906	79	82.4
1907	92	82.4
1908	87	82.4
1909	107	82.4
1910	98	99.5
1911	122	99.5
1912	103	99.5
1913	108	99.5
1914	105	99.5
1915	57	99.5
1916	100	99.5
1917	88	99.5
1918	115	99.5
1919	99	99.5
1920	86	91.8
1921	123	91.8
1922	110	91.8
1925	104	91.8
1926	106	91.8
1927	69	91.8
1928	57	91.8
1929	79	91.8
1930	87	98.3
1931	105	98.3
1932	81	98.3
1933	95	98.3
1934	110	98.3
1935	75	98.3
1936	108	98.3
1937	104	98.3
1938	113	98.3
1939	105	98.3
1940	103	87.9
1941	94	87.9
1942	93	87.9
1943	98	87.9
1944	95	87.9
1945	69	87.9
1946	81	87.9
1947	100	87.9
1948	75	87.9
1949	71	87.9
1950	46	90.2
1951	41	90.2
1952	103	90.2
1953	113	90.2
1954	115	90.2
1955	104	90.2
1956	130	90.2
1957	72	90.2
1958	81	90.2
1959	97	90.2
1960	81	87.7
1961	77	87.7
1962	97	87.7
1963	111	87.7
1964	90	87.7
1965	82	87.7
1966	97	87.7
1967	76	87.7
1968	85	87.7
1969	81	87.7
1970	102	90.9
1971	90	90.9
1972	87	90.9
1973	84	90.9
1974	72	90.9
1975	94	90.9
1976	93	90.9
1977	89	90.9
1978	100	90.9
1979	98	90.9
1980	116	95.8
1981	85	95.8
1982	78	95.8
1983	102	95.8
1984	101	95.8
1985	86	95.8
1986	88	95.8
1987	108	95.8
1988	104	95.8
1989	90	95.8
1990	93	80.6
1991	102	80.6
1992	57	80.6
1993	67	80.6
1994	86	80.6
1995	77	80.6
1996	74	80.6
1997	83	80.6
1998	97	80.6
1999	70	80.6
2000	98	79.9
2001	93	79.9
2002	101	79.9
2003	80	79.9
2004	68	79.9
2007	82	79.9
2008	58	79.9
2009	59	79.9
2010	90	83.4
2011	87	83.4
2012	98	83.4
2013	77	83.4
2014	75	83.4
2015	71	83.4
2016	86	83.4
2017	75	83.4
2018	97	83.4
2019	78	83.4
2020	83	90.4
2021	83	90.4
2022	96	90.4
2023	98	90.4
2024	91	90.4
2025	79	90.4
2026	103	90.4

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

First to last qualifying date each year at Clay Ctr
Year	First date	Last date
1903	1903-04-10	1903-09-25
1904	1904-05-24	1904-10-05
1905	1905-04-08	1905-10-05
1906	1906-04-23	1906-09-25
1907	1907-03-21	1907-10-02
1908	1908-03-25	1908-10-15
1909	1909-04-17	1909-11-04
1910	1910-03-21	1910-10-16
1911	1911-04-02	1911-09-30
1912	1912-04-05	1912-10-05
1913	1913-04-02	1913-10-02
1914	1914-04-24	1914-09-29
1915	1915-04-28	1915-09-19
1916	1916-03-21	1916-10-07
1917	1917-04-17	1917-10-04
1918	1918-05-06	1918-10-12
1919	1919-04-22	1919-10-03
1920	1920-05-22	1920-10-11
1921	1921-03-18	1921-10-24
1922	1922-06-04	1922-10-27
1925	1925-04-11	1925-10-03
1926	1926-04-17	1926-09-23
1927	1927-04-26	1927-10-27
1928	1928-03-22	1928-10-10
1929	1929-03-24	1929-09-27
1930	1930-04-09	1930-10-10
1931	1931-04-07	1931-10-11
1932	1932-05-13	1932-09-19
1933	1933-05-16	1933-09-25
1934	1934-04-10	1934-10-08
1935	1935-04-14	1935-09-24
1936	1936-04-13	1936-09-22
1937	1937-04-16	1937-10-29
1938	1938-03-21	1938-10-25
1939	1939-04-23	1939-10-26
1940	1940-03-31	1940-10-25
1941	1941-05-14	1941-10-13
1942	1942-04-04	1942-10-01
1943	1943-03-29	1943-10-10
1944	1944-05-12	1944-10-23
1945	1945-05-20	1945-10-18
1946	1946-03-31	1946-09-27
1947	1947-05-03	1947-10-22
1948	1948-04-15	1948-09-22
1949	1949-04-25	1949-10-08
1950	1950-04-22	1950-10-31
1951	1951-04-28	1951-10-03
1952	1952-04-08	1952-10-25
1953	1953-04-21	1953-10-18
1954	1954-04-06	1954-10-10
1955	1955-04-18	1955-09-21
1956	1956-04-01	1956-10-12
1957	1957-06-05	1957-09-24
1958	1958-05-11	1958-10-16
1959	1959-04-30	1959-09-21
1960	1960-04-22	1960-10-11
1961	1961-04-19	1961-09-29
1962	1962-04-20	1962-10-11
1963	1963-03-28	1963-10-19
1964	1964-04-16	1964-09-19
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-13
1967	1967-03-23	1967-10-04
1968	1968-03-30	1968-10-15
1969	1969-05-27	1969-10-04
1970	1970-04-27	1970-10-01
1971	1971-05-17	1971-09-30
1972	1972-03-11	1972-10-01
1973	1973-05-18	1973-10-08
1974	1974-05-13	1974-09-29
1975	1975-04-17	1975-10-21
1976	1976-06-08	1976-10-11
1977	1977-04-08	1977-09-26
1978	1978-03-31	1978-10-21
1979	1979-05-27	1979-10-20
1980	1980-04-20	1980-10-13
1981	1981-04-10	1981-09-30
1982	1982-04-12	1982-10-05
1983	1983-05-06	1983-10-02
1984	1984-05-17	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-28	1986-09-28
1987	1987-04-17	1987-10-01
1988	1988-05-12	1988-09-27
1989	1989-04-21	1989-10-15
1990	1990-04-22	1990-10-16
1991	1991-04-05	1991-10-23
1992	1992-04-14	1992-09-18
1993	1993-05-27	1993-10-06
1994	1994-04-17	1994-10-01
1995	1995-03-22	1995-10-16
1996	1996-04-11	1996-09-11
1997	1997-04-18	1997-10-06
1998	1998-05-13	1998-09-28
1999	1999-05-09	1999-10-12
2000	2000-04-05	2000-10-01
2001	2001-04-08	2001-09-13
2002	2002-04-15	2002-10-02
2003	2003-04-15	2003-10-23
2004	2004-04-17	2004-09-21
2007	2007-04-29	2007-10-07
2008	2008-05-20	2008-09-29
2009	2009-04-25	2009-09-28
2010	2010-04-06	2010-10-09
2011	2011-04-04	2011-10-05
2012	2012-04-01	2012-09-20
2013	2013-05-01	2013-10-05
2014	2014-04-13	2014-10-27
2015	2015-05-04	2015-10-12
2016	2016-05-08	2016-10-18
2017	2017-03-20	2017-10-03
2018	2018-04-13	2018-10-04
2019	2019-05-15	2019-10-02
2020	2020-04-08	2020-10-12
2021	2021-04-27	2021-10-10
2022	2022-04-13	2022-10-24
2023	2023-04-05	2023-10-21
2024	2024-04-14	2024-10-25
2025	2025-04-18	2025-10-13
2026	2026-03-21	2026-10-13

Every Fixed Threshold

Fixed thresholds at Clay Ctr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	120	130	1956	103
35 C (95 F): Days	120	83	1913	26
40 C (104 F): Days	77	42	1913	2
45 C (113 F): Days	5	5	1936	1
90 F (32.2 C): Days	120	101	1911	66
100 F (37.8 C): Days	113	67	1913	13
110 F (43.3 C): Days	19	18	1913	1
0 C (32 F): Ice days (max	120	54	1978	12
0 C (32 F): Frost days (min	119	158	2013	66
-10 C (14 F): Days with min	119	53	1978	16
-20 C (-4 F): Days with min	94	19	1905	5
-30 C (-22 F): Days with min	3	3	1905	2
20 C (68 F): Tropical nights (min	119	75	2002	58
25 C (77 F): Days with min	91	33	1934	8
10 mm (0.39 in): Days with 10 mm or more rain	119	42	1993	19
25 mm (0.98 in): Days with 25 mm or more rain	119	14	1915	8
50 mm (1.97 in): Days with 50 mm or more rain	95	5	1938	2
100 mm (3.94 in): Days with 100 mm or more rain	11	2	1972	1
10 cm (3.9 in): Days with 10 cm or more snowfall	66	7	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Clay Ctr 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).

Clay Ctr Threshold Days by Year (USC00141559)

Key Facts for Clay Ctr Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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