Chaoyang Threshold Days by Year (CHM00054324)

18 fixed thresholds counted per year at Chaoyang (CHM00054324): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chaoyang Thresholds

Chaoyang: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 2020 with 84.
Chaoyang: days with a maximum temperature at or above 90 F (32.2 C) in 72 years, most in 2020 with 59.
Chaoyang: days with a maximum temperature at or below 0 C (32 F) in 72 years, most in 1956 with 95.
Chaoyang: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1953 with 171.
18 fixed thresholds have at least one qualifying day at Chaoyang.

Days at or above 30 C (86 F)

72 years with a qualifying day

Days per year at Chaoyang with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2020.

Days at or above 30 C (86 F) per year at Chaoyang
Year	Days	Decade average
1952	64	51.1
1953	38	51.1
1954	24	51.1
1955	67	51.1
1956	48	51.1
1957	45	51.1
1958	67	51.1
1959	56	51.1
1960	61	57
1961	74	57
1962	56	57
1963	75	57
1964	40	57
1965	59	57
1966	51	57
1967	56	57
1968	55	57
1969	43	57
1970	45	42.6
1971	51	42.6
1972	51	42.6
1973	40	42.6
1974	40	42.6
1975	53	42.6
1976	24	42.6
1977	45	42.6
1978	42	42.6
1979	35	42.6
1980	63	50.7
1981	78	50.7
1982	56	50.7
1983	57	50.7
1984	47	50.7
1985	26	50.7
1986	34	50.7
1987	44	50.7
1988	53	50.7
1989	49	50.7
1990	32	50.2
1991	53	50.2
1992	49	50.2
1993	38	50.2
1994	63	50.2
1995	36	50.2
1996	41	50.2
1997	74	50.2
1998	46	50.2
1999	70	50.2
2000	80	61.7
2001	77	61.7
2002	56	61.7
2003	54	61.7
2004	52	61.7
2005	45	61.7
2006	61	61.7
2007	65	61.7
2008	50	61.7
2009	77	61.7
2010	49	60
2011	36	60
2012	41	60
2013	63	60
2014	68	60
2015	75	60
2016	63	60
2017	70	60
2018	61	60
2019	74	60
2020	84	76.5
2021	63	76.5
2022	81	76.5
2025	78	76.5

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

First to last qualifying date each year at Chaoyang
Year	First date	Last date
1952	1952-05-05	1952-09-05
1953	1953-05-26	1953-09-16
1954	1954-05-09	1954-08-30
1955	1955-05-13	1955-09-29
1956	1956-05-16	1956-09-23
1957	1957-05-14	1957-10-13
1958	1958-05-17	1958-09-12
1959	1959-05-01	1959-09-13
1960	1960-05-21	1960-09-21
1961	1961-04-19	1961-09-26
1962	1962-04-21	1962-09-15
1963	1963-05-09	1963-09-09
1964	1964-05-06	1964-09-02
1965	1965-04-15	1965-09-24
1966	1966-05-11	1966-09-30
1967	1967-05-05	1967-09-08
1968	1968-05-11	1968-09-16
1969	1969-05-01	1969-09-13
1970	1970-05-03	1970-09-02
1971	1971-04-20	1971-09-06
1972	1972-04-29	1972-09-09
1973	1973-04-29	1973-08-26
1974	1974-05-16	1974-08-25
1975	1975-05-21	1975-09-24
1976	1976-05-14	1976-08-11
1977	1977-04-22	1977-09-24
1978	1978-05-12	1978-09-30
1979	1979-05-20	1979-08-29
1980	1980-05-09	1980-08-23
1981	1981-04-22	1981-09-25
1982	1982-05-26	1982-09-19
1983	1983-04-24	1983-09-17
1984	1984-05-17	1984-08-27
1985	1985-06-04	1985-09-07
1986	1986-05-03	1986-08-26
1987	1987-04-08	1987-10-04
1988	1988-04-27	1988-09-13
1989	1989-05-01	1989-08-30
1990	1990-06-15	1990-08-31
1991	1991-05-19	1991-09-09
1992	1992-04-26	1992-09-04
1993	1993-05-17	1993-09-15
1994	1994-05-15	1994-09-07
1995	1995-04-28	1995-08-30
1996	1996-05-15	1996-09-23
1997	1997-05-09	1997-09-08
1998	1998-04-20	1998-09-30
1999	1999-05-06	1999-09-12
2000	2000-05-06	2000-09-19
2001	2001-04-18	2001-09-15
2002	2002-05-13	2002-09-25
2003	2003-05-01	2003-09-03
2004	2004-04-18	2004-09-24
2005	2005-04-05	2005-09-14
2006	2006-05-07	2006-10-02
2007	2007-04-29	2007-09-12
2008	2008-04-18	2008-09-21
2009	2009-05-03	2009-09-19
2010	2010-05-20	2010-09-15
2011	2011-05-23	2011-08-31
2012	2012-05-03	2012-09-01
2013	2013-05-05	2013-09-14
2014	2014-04-14	2014-09-18
2015	2015-04-25	2015-10-06
2016	2016-05-01	2016-08-24
2017	2017-04-29	2017-09-07
2018	2018-04-20	2018-09-13
2019	2019-04-22	2019-10-02
2020	2020-04-28	2020-09-02
2021	2021-05-17	2021-09-09
2022	2022-05-03	2022-09-30
2025	2025-04-29	2025-08-23

Every Fixed Threshold

Fixed thresholds at Chaoyang
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	72	84	2020	78
35 C (95 F): Days	64	31	2020	6
40 C (104 F): Days	7	4	1972	4
90 F (32.2 C): Days	72	59	2020	43
100 F (37.8 C): Days	27	10	2000	2
110 F (43.3 C): Days	1	1	2000	1
0 C (32 F): Ice days (max	72	95	1956	20
0 C (32 F): Frost days (min	65	171	1953	85
-10 C (14 F): Days with min	65	121	1969	53
-20 C (-4 F): Days with min	58	44	1984	5
-30 C (-22 F): Days with min	4	1	1953	1
20 C (68 F): Tropical nights (min	65	55	1994	36
25 C (77 F): Days with min	26	8	1997	1
10 mm (0.39 in): Days with 10 mm or more rain	65	26	2010	14
25 mm (0.98 in): Days with 25 mm or more rain	65	10	1998	4
50 mm (1.97 in): Days with 50 mm or more rain	41	3	1954	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1963	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Chaoyang 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Chaoyang Threshold Days by Year (CHM00054324)

Key Facts for Chaoyang Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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