Key W Intl AP Threshold Days by Year (USW00012836)

10 fixed thresholds counted per year at Key W Intl AP (USW00012836): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Key W Intl AP Thresholds

Key W Intl AP: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 2019 with 188.
Key W Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 74 years, most in 2023 with 102.
Key W Intl AP: nights with a minimum temperature at or above 20 C (68 F) in 74 years, most in 1967 with 331.
Key W Intl AP: nights with a minimum temperature at or above 25 C (77 F) in 74 years, most in 2015 with 205.
10 fixed thresholds have at least one qualifying day at Key W Intl AP.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Key W Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 188 in 2019.

Days at or above 30 C (86 F) per year at Key W Intl AP
Year	Days	Decade average
1948	162	161
1949	160	161
1950	152	144
1951	150	144
1952	146	144
1958	127	144
1959	145	144
1960	147	143.2
1961	147	143.2
1962	145	143.2
1963	140	143.2
1964	151	143.2
1965	159	143.2
1966	124	143.2
1967	153	143.2
1968	129	143.2
1969	137	143.2
1970	105	143.2
1971	155	143.2
1972	149	143.2
1973	139	143.2
1974	127	143.2
1975	169	143.2
1976	131	143.2
1977	129	143.2
1978	166	143.2
1979	162	143.2
1980	162	142.9
1981	150	142.9
1982	148	142.9
1983	122	142.9
1984	91	142.9
1985	157	142.9
1986	151	142.9
1987	134	142.9
1988	144	142.9
1989	170	142.9
1990	167	157.7
1991	175	157.7
1992	148	157.7
1993	145	157.7
1994	171	157.7
1995	181	157.7
1996	131	157.7
1997	152	157.7
1998	147	157.7
1999	160	157.7
2000	148	148.8
2001	129	148.8
2002	168	148.8
2003	172	148.8
2004	137	148.8
2005	138	148.8
2006	140	148.8
2007	159	148.8
2008	136	148.8
2009	161	148.8
2010	147	155.2
2011	155	155.2
2012	122	155.2
2013	146	155.2
2014	153	155.2
2015	169	155.2
2016	148	155.2
2017	157	155.2
2018	167	155.2
2019	188	155.2
2020	172	163.7
2021	152	163.7
2022	154	163.7
2023	176	163.7
2024	165	163.7
2025	160	163.7
2026	167	163.7

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

First to last qualifying date each year at Key W Intl AP
Year	First date	Last date
1948	1948-03-04	1948-12-22
1949	1949-03-23	1949-10-31
1950	1950-05-02	1950-11-03
1951	1951-04-18	1951-11-14
1952	1952-03-26	1952-10-20
1958	1958-04-11	1958-11-28
1959	1959-04-20	1959-10-31
1960	1960-03-31	1960-10-31
1961	1961-03-31	1961-10-14
1962	1962-05-04	1962-10-23
1963	1963-03-20	1963-10-28
1964	1964-03-15	1964-11-21
1965	1965-04-09	1965-11-13
1966	1966-05-19	1966-10-15
1967	1967-03-08	1967-10-26
1968	1968-04-25	1968-10-20
1969	1969-04-19	1969-10-24
1970	1970-06-12	1970-10-12
1971	1971-04-25	1971-10-18
1972	1972-05-05	1972-11-13
1973	1973-05-09	1973-11-02
1974	1974-05-06	1974-10-15
1975	1975-04-03	1975-10-28
1976	1976-05-04	1976-10-20
1977	1977-03-22	1977-10-25
1978	1978-04-20	1978-12-06
1979	1979-04-10	1979-11-12
1980	1980-04-02	1980-10-31
1981	1981-04-26	1981-10-27
1982	1982-03-19	1982-10-14
1983	1983-05-28	1983-10-24
1984	1984-04-23	1984-10-15
1985	1985-05-03	1985-11-03
1986	1986-04-29	1986-11-20
1987	1987-05-05	1987-11-10
1988	1988-04-19	1988-11-06
1989	1989-04-05	1989-11-09
1990	1990-04-07	1990-11-09
1991	1991-01-29	1991-10-22
1992	1992-04-11	1992-11-24
1993	1993-04-04	1993-11-09
1994	1994-03-20	1994-12-05
1995	1995-04-01	1995-11-11
1996	1996-05-02	1996-10-03
1997	1997-04-23	1997-11-02
1998	1998-05-07	1998-10-21
1999	1999-04-10	1999-10-21
2000	2000-03-30	2000-10-08
2001	2001-04-12	2001-10-25
2002	2002-04-24	2002-11-12
2003	2003-03-06	2003-11-04
2004	2004-05-29	2004-11-05
2005	2005-05-02	2005-10-19
2006	2006-05-11	2006-10-23
2007	2007-04-14	2007-11-02
2008	2008-05-09	2008-10-14
2009	2009-04-03	2009-11-02
2010	2010-05-01	2010-10-31
2011	2011-04-19	2011-10-13
2012	2012-05-12	2012-10-24
2013	2013-04-13	2013-10-23
2014	2014-04-25	2014-10-19
2015	2015-04-21	2015-11-13
2016	2016-05-13	2016-10-19
2017	2017-03-02	2017-11-13
2018	2018-04-10	2018-12-04
2019	2019-04-14	2019-11-08
2020	2020-04-06	2020-11-01
2021	2021-04-01	2021-10-28
2022	2022-04-03	2022-11-13
2023	2023-02-17	2023-10-31
2024	2024-04-22	2024-11-04
2025	2025-05-06	2025-11-09
2026	2026-03-13	2026-10-14

Every Fixed Threshold

Fixed thresholds at Key W Intl AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	188	2019	167
35 C (95 F): Days	6	6	2023	2
90 F (32.2 C): Days	74	102	2023	80
20 C (68 F): Tropical nights (min	74	331	1967	242
25 C (77 F): Days with min	74	205	2015	169
10 mm (0.39 in): Days with 10 mm or more rain	74	42	1966	23
25 mm (0.98 in): Days with 25 mm or more rain	74	23	1969	3
50 mm (1.97 in): Days with 50 mm or more rain	72	10	1969	2
100 mm (3.94 in): Days with 100 mm or more rain	32	3	1963	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1980	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

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Data for Key W Intl AP 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).

Key W Intl AP Threshold Days by Year (USW00012836)

Key Facts for Key W Intl AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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