Huailai Threshold Days by Year (CHM00054405)

15 fixed thresholds counted per year at Huailai (CHM00054405): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Huailai Thresholds

Huailai: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 2022 with 86.
Huailai: days with a maximum temperature at or above 90 F (32.2 C) in 73 years, most in 2024 with 57.
Huailai: days with a maximum temperature at or below 0 C (32 F) in 73 years, most in 1957 with 81.
Huailai: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1957 with 166.
15 fixed thresholds have at least one qualifying day at Huailai.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Huailai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2022.

Days at or above 30 C (86 F) per year at Huailai
Year	Days	Decade average
1954	13	33.8
1955	56	33.8
1956	28	33.8
1957	28	33.8
1958	47	33.8
1959	31	33.8
1960	53	50.1
1961	53	50.1
1962	63	50.1
1963	61	50.1
1964	34	50.1
1965	67	50.1
1966	38	50.1
1967	45	50.1
1968	56	50.1
1969	31	50.1
1970	34	41.6
1971	46	41.6
1972	64	41.6
1973	32	41.6
1974	40	41.6
1975	54	41.6
1976	25	41.6
1977	37	41.6
1978	52	41.6
1979	32	41.6
1980	62	50.7
1981	63	50.7
1982	36	50.7
1983	56	50.7
1984	55	50.7
1985	53	50.7
1986	38	50.7
1987	49	50.7
1988	43	50.7
1989	52	50.7
1990	44	54.7
1991	58	54.7
1992	45	54.7
1993	67	54.7
1994	66	54.7
1995	28	54.7
1996	41	54.7
1997	73	54.7
1998	58	54.7
1999	67	54.7
2000	70	60
2001	80	60
2002	66	60
2003	58	60
2004	44	60
2005	61	60
2006	50	60
2007	73	60
2008	42	60
2009	56	60
2010	47	52.7
2011	49	52.7
2012	49	52.7
2013	45	52.7
2014	58	52.7
2015	41	52.7
2016	45	52.7
2017	62	52.7
2018	67	52.7
2019	64	52.7
2020	76	62.3
2021	61	62.3
2022	86	62.3
2023	73	62.3
2024	81	62.3
2025	39	62.3
2026	20	62.3

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

First to last qualifying date each year at Huailai
Year	First date	Last date
1954	1954-06-03	1954-09-15
1955	1955-05-07	1955-09-05
1956	1956-05-17	1956-08-08
1957	1957-05-20	1957-08-22
1958	1958-05-20	1958-08-21
1959	1959-05-01	1959-08-28
1960	1960-04-24	1960-09-21
1961	1961-05-13	1961-08-07
1962	1962-05-19	1962-09-14
1963	1963-05-15	1963-08-30
1964	1964-05-05	1964-08-15
1965	1965-04-15	1965-09-21
1966	1966-05-03	1966-08-30
1967	1967-05-10	1967-08-24
1968	1968-05-13	1968-09-15
1969	1969-05-07	1969-09-16
1970	1970-05-16	1970-09-02
1971	1971-04-21	1971-08-31
1972	1972-04-29	1972-09-18
1973	1973-04-28	1973-08-11
1974	1974-05-15	1974-09-03
1975	1975-05-21	1975-09-07
1976	1976-05-14	1976-08-31
1977	1977-05-09	1977-09-28
1978	1978-05-12	1978-08-25
1979	1979-05-20	1979-08-10
1980	1980-05-10	1980-08-24
1981	1981-04-30	1981-09-25
1982	1982-05-16	1982-09-12
1983	1983-05-09	1983-08-20
1984	1984-05-05	1984-08-26
1985	1985-05-08	1985-09-06
1986	1986-05-06	1986-08-30
1987	1987-04-28	1987-09-19
1988	1988-04-27	1988-09-05
1989	1989-05-02	1989-08-28
1990	1990-05-08	1990-09-11
1991	1991-05-17	1991-09-09
1992	1992-04-26	1992-09-02
1993	1993-05-21	1993-09-20
1994	1994-05-09	1994-09-07
1995	1995-04-28	1995-08-25
1996	1996-05-21	1996-09-23
1997	1997-05-14	1997-09-08
1998	1998-04-20	1998-09-30
1999	1999-05-11	1999-09-12
2000	2000-05-07	2000-09-19
2001	2001-04-18	2001-09-02
2002	2002-05-19	2002-09-09
2003	2003-04-30	2003-09-13
2004	2004-04-17	2004-08-10
2005	2005-04-27	2005-09-11
2006	2006-04-30	2006-09-18
2007	2007-04-29	2007-09-11
2008	2008-04-29	2008-08-23
2009	2009-05-07	2009-09-17
2010	2010-05-20	2010-09-13
2011	2011-05-23	2011-08-22
2012	2012-05-03	2012-08-30
2013	2013-05-06	2013-08-26
2014	2014-05-20	2014-09-04
2015	2015-04-26	2015-08-17
2016	2016-05-01	2016-09-16
2017	2017-04-29	2017-09-18
2018	2018-04-02	2018-09-05
2019	2019-04-17	2019-09-08
2020	2020-04-28	2020-09-07
2021	2021-05-19	2021-09-12
2022	2022-05-03	2022-10-01
2023	2023-05-14	2023-09-08
2024	2024-04-25	2024-08-31
2025	2025-05-19	2025-08-22
2026	2026-05-13	2026-09-16

Every Fixed Threshold

Fixed thresholds at Huailai
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	86	2022	20
35 C (95 F): Days	61	24	2023	1
40 C (104 F): Days	3	2	1955	1
90 F (32.2 C): Days	73	57	2024	10
100 F (37.8 C): Days	20	8	2023	2
0 C (32 F): Ice days (max	73	81	1957	20
0 C (32 F): Frost days (min	66	166	1957	69
-10 C (14 F): Days with min	66	96	1956	14
-20 C (-4 F): Days with min	24	6	1956	6
20 C (68 F): Tropical nights (min	66	51	2025	15
25 C (77 F): Days with min	8	3	1999	3
10 mm (0.39 in): Days with 10 mm or more rain	65	21	1969	8
25 mm (0.98 in): Days with 25 mm or more rain	59	6	1957	3
50 mm (1.97 in): Days with 50 mm or more rain	20	2	1961	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

Data for Huailai 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).

Huailai Threshold Days by Year (CHM00054405)

Key Facts for Huailai Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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