Kahului AP Threshold Days by Year (USW00022516)

9 fixed thresholds counted per year at Kahului AP (USW00022516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kahului AP Thresholds

Kahului AP: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1918 with 28.
Kahului AP: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1996 with 13.
Kahului AP: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 2019 with 251.
Kahului AP: days with a maximum temperature at or above 90 F (32.2 C) in 71 years, most in 2019 with 162.
9 fixed thresholds have at least one qualifying day at Kahului AP.

Days at or above 30 C (86 F)

72 years with a qualifying day

Days per year at Kahului AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 251 in 2019.

Days at or above 30 C (86 F) per year at Kahului AP
Year	Days	Decade average
1955	16	53.4
1956	44	53.4
1957	47	53.4
1958	27	53.4
1959	133	53.4
1960	115	123.4
1961	135	123.4
1962	121	123.4
1963	110	123.4
1964	50	123.4
1965	94	123.4
1966	136	123.4
1967	121	123.4
1968	194	123.4
1969	158	123.4
1970	178	137.6
1971	175	137.6
1972	149	137.6
1973	81	137.6
1974	150	137.6
1975	35	137.6
1976	127	137.6
1977	125	137.6
1978	184	137.6
1979	172	137.6
1980	214	154.8
1981	215	154.8
1982	157	154.8
1983	125	154.8
1984	246	154.8
1985	91	154.8
1986	136	154.8
1987	113	154.8
1988	143	154.8
1989	108	154.8
1990	131	156.9
1991	156	156.9
1992	173	156.9
1993	146	156.9
1994	149	156.9
1995	193	156.9
1996	209	156.9
1997	171	156.9
1998	107	156.9
1999	134	156.9
2000	141	157.3
2001	121	157.3
2002	139	157.3
2003	185	157.3
2004	182	157.3
2005	139	157.3
2006	168	157.3
2007	174	157.3
2008	177	157.3
2009	147	157.3
2010	167	184.5
2011	150	184.5
2012	131	184.5
2013	212	184.5
2014	192	184.5
2015	171	184.5
2016	186	184.5
2017	205	184.5
2018	180	184.5
2019	251	184.5
2020	233	193.9
2021	198	193.9
2022	239	193.9
2023	215	193.9
2024	147	193.9
2025	208	193.9
2026	117	193.9

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

First to last qualifying date each year at Kahului AP
Year	First date	Last date
1955	1955-01-06	1955-12-23
1956	1956-01-02	1956-12-12
1957	1957-01-03	1957-12-07
1958	1958-02-10	1958-12-28
1959	1959-01-02	1959-11-09
1960	1960-04-01	1960-12-26
1961	1961-02-05	1961-12-22
1962	1962-03-17	1962-11-20
1963	1963-03-02	1963-11-23
1964	1964-01-29	1964-10-17
1965	1965-04-22	1965-11-06
1966	1966-03-16	1966-12-01
1967	1967-04-23	1967-12-17
1968	1968-04-06	1968-12-10
1969	1969-04-24	1969-12-01
1970	1970-03-16	1970-12-15
1971	1971-02-16	1971-12-18
1972	1972-03-18	1972-11-25
1973	1973-03-12	1973-11-19
1974	1974-02-18	1974-11-04
1975	1975-03-24	1975-11-26
1976	1976-04-12	1976-12-22
1977	1977-01-11	1977-12-09
1978	1978-02-16	1978-12-04
1979	1979-05-06	1979-12-22
1980	1980-01-16	1980-12-20
1981	1981-01-03	1981-12-24
1982	1982-03-15	1982-11-30
1983	1983-03-05	1983-12-09
1984	1984-01-19	1984-12-17
1985	1985-01-14	1985-11-14
1986	1986-03-06	1986-11-23
1987	1987-03-24	1987-12-23
1988	1988-03-28	1988-12-08
1989	1989-03-25	1989-12-07
1990	1990-01-13	1990-11-22
1991	1991-01-12	1991-12-14
1992	1992-01-05	1992-12-29
1993	1993-03-21	1993-12-01
1994	1994-01-07	1994-11-17
1995	1995-02-18	1995-12-30
1996	1996-01-09	1996-12-19
1997	1997-02-07	1997-12-20
1998	1998-01-21	1998-12-15
1999	1999-03-08	1999-11-24
2000	2000-02-17	2000-12-21
2001	2001-01-10	2001-11-28
2002	2002-03-11	2002-11-21
2003	2003-02-26	2003-11-26
2004	2004-02-26	2004-12-26
2005	2005-02-06	2005-12-28
2006	2006-01-14	2006-11-27
2007	2007-04-11	2007-11-27
2008	2008-04-16	2008-12-15
2009	2009-05-03	2009-11-13
2010	2010-02-26	2010-12-14
2011	2011-01-20	2011-11-01
2012	2012-01-04	2012-12-06
2013	2013-01-25	2013-12-21
2014	2014-01-12	2014-12-20
2015	2015-02-26	2015-12-11
2016	2016-01-24	2016-12-23
2017	2017-01-11	2017-11-09
2018	2018-01-19	2018-12-30
2019	2019-01-08	2019-12-30
2020	2020-01-27	2020-12-30
2021	2021-01-04	2021-12-15
2022	2022-01-19	2022-12-14
2023	2023-01-15	2023-12-11
2024	2024-01-04	2024-12-26
2025	2025-02-15	2025-12-22
2026	2026-03-05	2026-10-14

Every Fixed Threshold

Fixed thresholds at Kahului AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	72	251	2019	117
35 C (95 F): Days	17	18	2019	8
90 F (32.2 C): Days	71	162	2019	16
20 C (68 F): Tropical nights (min	71	263	1980	199
25 C (77 F): Days with min	24	28	2020	9
10 mm (0.39 in): Days with 10 mm or more rain	84	28	1918	14
25 mm (0.98 in): Days with 25 mm or more rain	76	13	1996	4
50 mm (1.97 in): Days with 50 mm or more rain	51	6	1968	3
100 mm (3.94 in): Days with 100 mm or more rain	16	3	1988	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Kahului 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).

Kahului AP Threshold Days by Year (USW00022516)

Key Facts for Kahului AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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