Shirakawa Threshold Days by Year (JA000047597)

13 fixed thresholds counted per year at Shirakawa (JA000047597): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shirakawa Thresholds

Shirakawa: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 2012 with 48.
Shirakawa: days with a maximum temperature at or below 0 C (32 F) in 60 years, most in 1984 with 22.
Shirakawa: days with a maximum temperature at or above 90 F (32.2 C) in 56 years, most in 2010 with 28.
Shirakawa: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1956 with 61.
13 fixed thresholds have at least one qualifying day at Shirakawa.

Days at or above 30 C (86 F)

67 years with a qualifying day

Days per year at Shirakawa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 2012.

Days at or above 30 C (86 F) per year at Shirakawa
Year	Days	Decade average
1951	24	14.1
1952	10	14.1
1953	10	14.1
1954	7	14.1
1955	17	14.1
1956	15	14.1
1957	9	14.1
1958	14	14.1
1959	21	14.1
1960	20	20.2
1961	30	20.2
1962	26	20.2
1963	14	20.2
1964	26	20.2
1965	13	20.2
1966	18	20.2
1967	27	20.2
1968	13	20.2
1969	15	20.2
1970	19	18.4
1971	19	18.4
1972	16	18.4
1973	33	18.4
1974	11	18.4
1975	20	18.4
1976	5	18.4
1977	11	18.4
1978	32	18.4
1979	18	18.4
1980	3	15.2
1981	18	15.2
1982	5	15.2
1983	15	15.2
1984	29	15.2
1985	34	15.2
1986	11	15.2
1987	21	15.2
1988	7	15.2
1989	9	15.2
1993	3	21.4
1994	46	21.4
1995	27	21.4
1996	18	21.4
1998	13	21.4
2000	34	24.3
2002	33	24.3
2003	15	24.3
2004	26	24.3
2005	28	24.3
2006	22	24.3
2007	31	24.3
2008	19	24.3
2009	11	24.3
2010	47	34.2
2011	39	34.2
2012	48	34.2
2013	31	34.2
2014	29	34.2
2015	30	34.2
2016	25	34.2
2017	22	34.2
2018	42	34.2
2019	29	34.2
2021	30	31.3
2022	33	31.3
2025	47	31.3
2026	15	31.3

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

First to last qualifying date each year at Shirakawa
Year	First date	Last date
1951	1951-05-30	1951-08-27
1952	1952-07-23	1952-08-28
1953	1953-07-26	1953-08-21
1954	1954-08-09	1954-08-23
1955	1955-07-02	1955-08-11
1956	1956-07-21	1956-09-09
1957	1957-07-29	1957-08-27
1958	1958-05-30	1958-09-06
1959	1959-07-07	1959-09-02
1960	1960-07-02	1960-09-02
1961	1961-05-27	1961-09-06
1962	1962-07-22	1962-08-28
1963	1963-06-29	1963-08-26
1964	1964-07-24	1964-08-26
1965	1965-07-16	1965-08-24
1966	1966-07-20	1966-08-30
1967	1967-07-15	1967-09-03
1968	1968-07-18	1968-08-19
1969	1969-05-10	1969-09-01
1970	1970-07-18	1970-09-09
1971	1971-07-04	1971-08-28
1972	1972-07-30	1972-09-06
1973	1973-07-05	1973-09-02
1974	1974-05-18	1974-08-20
1975	1975-07-16	1975-09-12
1976	1976-07-31	1976-08-23
1977	1977-07-22	1977-09-12
1978	1978-06-20	1978-08-30
1979	1979-06-18	1979-08-27
1980	1980-05-29	1980-07-22
1981	1981-07-10	1981-08-31
1982	1982-07-12	1982-08-29
1983	1983-07-27	1983-09-06
1984	1984-07-03	1984-09-03
1985	1985-06-06	1985-09-05
1986	1986-07-28	1986-09-04
1987	1987-06-05	1987-08-31
1988	1988-08-01	1988-08-24
1989	1989-07-23	1989-08-22
1993	1993-05-13	1993-07-31
1994	1994-06-27	1994-09-11
1995	1995-07-10	1995-08-27
1996	1996-07-16	1996-08-19
1998	1998-06-28	1998-08-25
2000	2000-07-01	2000-09-02
2002	2002-07-04	2002-09-03
2003	2003-06-22	2003-09-12
2004	2004-05-30	2004-09-21
2005	2005-06-21	2005-09-13
2006	2006-07-14	2006-09-10
2007	2007-06-19	2007-09-22
2008	2008-07-05	2008-09-06
2009	2009-05-10	2009-08-16
2010	2010-06-25	2010-09-11
2011	2011-06-22	2011-09-18
2012	2012-07-04	2012-09-18
2013	2013-06-14	2013-09-01
2014	2014-05-30	2014-08-23
2015	2015-05-30	2015-08-18
2016	2016-07-11	2016-09-06
2017	2017-05-21	2017-08-24
2018	2018-06-25	2018-08-26
2019	2019-05-25	2019-09-10
2021	2021-07-10	2021-08-30
2022	2022-06-25	2022-09-14
2025	2025-06-17	2025-09-17
2026	2026-06-01	2026-08-26

Every Fixed Threshold

Fixed thresholds at Shirakawa
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	67	48	2012	15
35 C (95 F): Days	12	4	2015	1
90 F (32.2 C): Days	56	28	2010	4
0 C (32 F): Ice days (max	60	22	1984	4
0 C (32 F): Frost days (min	41	136	1984	55
-10 C (14 F): Days with min	25	10	1984	1
20 C (68 F): Tropical nights (min	41	79	2025	50
25 C (77 F): Days with min	2	1	1952	3
10 mm (0.39 in): Days with 10 mm or more rain	53	61	1956	27
25 mm (0.98 in): Days with 25 mm or more rain	53	26	1976	20
50 mm (1.97 in): Days with 50 mm or more rain	49	9	2019	15
100 mm (3.94 in): Days with 100 mm or more rain	15	3	1958	8
200 mm (7.87 in): Days with 200 mm or more rain	3	1	2011	4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Shirakawa 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).

Shirakawa Threshold Days by Year (JA000047597)

Key Facts for Shirakawa Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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