Aburatsu Threshold Days by Year (JA000047835)

12 fixed thresholds counted per year at Aburatsu (JA000047835): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aburatsu Thresholds

Aburatsu: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 2016 with 77.
Aburatsu: days with a maximum temperature at or above 90 F (32.2 C) in 55 years, most in 2013 with 54.
Aburatsu: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2015 with 91.
Aburatsu: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 2015 with 53.
12 fixed thresholds have at least one qualifying day at Aburatsu.

Days at or above 30 C (86 F)

55 years with a qualifying day

Days per year at Aburatsu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 2016.

Days at or above 30 C (86 F) per year at Aburatsu
Year	Days	Decade average
1953	52	56.3
1954	41	56.3
1955	46	56.3
1956	70	56.3
1957	46	56.3
1958	70	56.3
1959	69	56.3
1960	68	64.8
1962	61	64.8
1963	64	64.8
1964	66	64.8
1973	36	41.4
1974	43	41.4
1975	47	41.4
1976	22	41.4
1977	44	41.4
1978	56	41.4
1979	42	41.4
1980	45	49.3
1981	62	49.3
1982	27	49.3
1983	51	49.3
1984	57	49.3
1985	57	49.3
1986	56	49.3
1987	51	49.3
1988	43	49.3
1989	44	49.3
1995	65	60.3
1996	56	60.3
1997	47	60.3
1998	73	60.3
2000	52	64
2002	54	64
2003	61	64
2004	60	64
2005	71	64
2006	74	64
2007	75	64
2008	66	64
2009	63	64
2010	73	61
2011	70	61
2012	64	61
2013	75	61
2014	47	61
2015	39	61
2016	77	61
2017	64	61
2018	53	61
2019	48	61
2021	58	65.8
2022	73	65.8
2025	76	65.8
2026	56	65.8

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

First to last qualifying date each year at Aburatsu
Year	First date	Last date
1953	1953-06-21	1953-09-25
1954	1954-07-04	1954-10-07
1955	1955-06-25	1955-09-18
1956	1956-06-03	1956-09-22
1957	1957-06-20	1957-08-31
1958	1958-06-26	1958-09-18
1959	1959-07-01	1959-10-07
1960	1960-06-28	1960-10-01
1962	1962-06-18	1962-10-03
1963	1963-05-22	1963-09-11
1964	1964-07-02	1964-10-06
1973	1973-06-28	1973-09-01
1974	1974-07-07	1974-10-03
1975	1975-07-07	1975-10-05
1976	1976-07-13	1976-09-09
1977	1977-06-29	1977-09-19
1978	1978-06-27	1978-09-16
1979	1979-06-26	1979-09-15
1980	1980-06-16	1980-09-10
1981	1981-05-25	1981-09-09
1982	1982-07-09	1982-10-02
1983	1983-07-03	1983-09-27
1984	1984-06-17	1984-10-03
1985	1985-06-24	1985-09-24
1986	1986-06-23	1986-09-11
1987	1987-06-03	1987-09-09
1988	1988-06-24	1988-09-12
1989	1989-06-15	1989-09-27
1995	1995-06-20	1995-10-02
1996	1996-06-10	1996-09-19
1997	1997-05-05	1997-09-10
1998	1998-06-26	1998-09-22
2000	2000-06-20	2000-09-09
2002	2002-06-18	2002-10-04
2003	2003-06-13	2003-10-02
2004	2004-04-22	2004-09-26
2005	2005-06-26	2005-10-04
2006	2006-05-20	2006-09-18
2007	2007-05-09	2007-10-08
2008	2008-07-02	2008-09-26
2009	2009-05-12	2009-09-28
2010	2010-06-27	2010-09-22
2011	2011-06-09	2011-09-30
2012	2012-05-05	2012-09-18
2013	2013-05-29	2013-10-11
2014	2014-05-21	2014-09-25
2015	2015-06-12	2015-10-01
2016	2016-06-23	2016-10-08
2017	2017-05-11	2017-10-12
2018	2018-06-26	2018-09-22
2019	2019-05-24	2019-10-19
2021	2021-05-09	2021-10-16
2022	2022-05-27	2022-10-05
2025	2025-06-04	2025-10-16
2026	2026-05-28	2026-09-27

Every Fixed Threshold

Fixed thresholds at Aburatsu
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	55	77	2016	56
35 C (95 F): Days	29	13	2013	4
90 F (32.2 C): Days	55	54	2013	19
100 F (37.8 C): Days	1	1	2013	1
0 C (32 F): Frost days (min	19	19	1984	2
20 C (68 F): Tropical nights (min	19	134	2025	133
25 C (77 F): Days with min	19	55	2025	57
10 mm (0.39 in): Days with 10 mm or more rain	53	91	2015	31
25 mm (0.98 in): Days with 25 mm or more rain	53	53	2015	18
50 mm (1.97 in): Days with 50 mm or more rain	53	23	1954	13
100 mm (3.94 in): Days with 100 mm or more rain	51	9	1954	7
200 mm (7.87 in): Days with 200 mm or more rain	13	2	2017	5

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Aburatsu 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).

Aburatsu Threshold Days by Year (JA000047835)

Key Facts for Aburatsu Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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