Hailun Threshold Days by Year (CHM00050756)

16 fixed thresholds counted per year at Hailun (CHM00050756): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hailun Thresholds

Hailun: days with a maximum temperature at or above 30 C (86 F) in 69 years, most in 1982 with 41.
Hailun: days with a maximum temperature at or below 0 C (32 F) in 69 years, most in 1974 with 142.
Hailun: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1956 with 204.
Hailun: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1974 with 144.
16 fixed thresholds have at least one qualifying day at Hailun.

Days at or above 30 C (86 F)

69 years with a qualifying day

Days per year at Hailun with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 41 in 1982.

Days at or above 30 C (86 F) per year at Hailun
Year	Days	Decade average
1952	16	12
1953	10	12
1954	23	12
1955	15	12
1956	7	12
1957	3	12
1958	16	12
1959	6	12
1960	4	9.5
1961	8	9.5
1962	8	9.5
1963	7	9.5
1964	10	9.5
1965	18	9.5
1966	3	9.5
1967	5	9.5
1968	24	9.5
1969	8	9.5
1970	8	9
1971	8	9
1972	6	9
1973	11	9
1974	8	9
1975	7	9
1976	12	9
1977	9	9
1978	11	9
1979	10	9
1980	19	11.7
1981	11	11.7
1982	41	11.7
1983	3	11.7
1984	2	11.7
1985	6	11.7
1986	5	11.7
1987	8	11.7
1988	11	11.7
1989	11	11.7
1990	4	9.2
1991	5	9.2
1992	8	9.2
1993	1	9.2
1994	14	9.2
1995	10	9.2
1996	13	9.2
1997	16	9.2
1998	7	9.2
1999	14	9.2
2000	26	13.9
2001	24	13.9
2002	11	13.9
2003	6	13.9
2004	13	13.9
2005	6	13.9
2006	10	13.9
2007	23	13.9
2008	11	13.9
2009	9	13.9
2010	22	12.5
2011	11	12.5
2012	10	12.5
2014	7	12.5
2020	19	11.7
2021	21	11.7
2022	12	11.7
2023	8	11.7
2024	12	11.7
2025	9	11.7
2026	1	11.7

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

First to last qualifying date each year at Hailun
Year	First date	Last date
1952	1952-05-13	1952-08-13
1953	1953-06-15	1953-08-08
1954	1954-06-27	1954-08-31
1955	1955-06-06	1955-08-24
1956	1956-05-28	1956-08-05
1957	1957-06-15	1957-07-10
1958	1958-05-28	1958-08-07
1959	1959-05-14	1959-08-12
1960	1960-06-17	1960-07-15
1961	1961-06-01	1961-07-12
1962	1962-05-19	1962-07-05
1963	1963-06-16	1963-08-03
1964	1964-05-13	1964-08-03
1965	1965-05-27	1965-08-26
1966	1966-05-17	1966-05-19
1967	1967-06-14	1967-07-24
1968	1968-06-13	1968-08-15
1969	1969-05-02	1969-07-10
1970	1970-06-26	1970-08-11
1971	1971-06-19	1971-07-30
1972	1972-05-24	1972-07-18
1973	1973-05-24	1973-08-08
1974	1974-05-17	1974-08-18
1975	1975-06-10	1975-08-21
1976	1976-05-27	1976-07-19
1977	1977-05-09	1977-08-29
1978	1978-05-20	1978-08-14
1979	1979-05-20	1979-07-05
1980	1980-06-05	1980-08-21
1981	1981-05-20	1981-07-27
1982	1982-05-26	1982-08-15
1983	1983-07-06	1983-08-12
1984	1984-07-29	1984-07-31
1985	1985-05-23	1985-07-04
1986	1986-05-05	1986-06-13
1987	1987-05-28	1987-07-28
1988	1988-06-09	1988-08-11
1989	1989-06-23	1989-08-25
1990	1990-05-17	1990-07-22
1991	1991-05-20	1991-08-06
1992	1992-05-30	1992-07-15
1993	1993-07-15	1993-07-15
1994	1994-06-10	1994-08-31
1995	1995-06-05	1995-07-18
1996	1996-05-15	1996-07-17
1997	1997-05-13	1997-07-22
1998	1998-05-14	1998-06-27
1999	1999-05-21	1999-08-08
2000	2000-06-03	2000-09-03
2001	2001-05-12	2001-08-17
2002	2002-05-20	2002-07-29
2003	2003-05-21	2003-07-02
2004	2004-06-13	2004-08-23
2005	2005-06-22	2005-08-13
2006	2006-05-16	2006-08-08
2007	2007-06-10	2007-08-06
2008	2008-06-12	2008-07-27
2009	2009-05-20	2009-08-09
2010	2010-05-23	2010-09-14
2011	2011-06-16	2011-07-25
2012	2012-05-21	2012-07-18
2014	2014-05-31	2014-06-30
2020	2020-05-30	2020-08-27
2021	2021-05-21	2021-07-25
2022	2022-05-20	2022-08-04
2023	2023-05-24	2023-08-02
2024	2024-07-03	2024-08-08
2025	2025-05-29	2025-07-22
2026	2026-05-31	2026-05-31

Every Fixed Threshold

Fixed thresholds at Hailun
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	69	41	1982	1
35 C (95 F): Days	15	5	2010	1
90 F (32.2 C): Days	50	16	1982	1
100 F (37.8 C): Days	1	1	2001	1
0 C (32 F): Ice days (max	69	142	1974	71
0 C (32 F): Frost days (min	68	204	1956	96
-10 C (14 F): Days with min	68	144	1974	68
-20 C (-4 F): Days with min	68	110	1956	44
-30 C (-22 F): Days with min	64	47	2021	6
-40 C (-40 F): Days with min	1	1	1980	1
20 C (68 F): Tropical nights (min	63	26	2025	11
25 C (77 F): Days with min	1	1	2001	1
10 mm (0.39 in): Days with 10 mm or more rain	67	27	1962	14
25 mm (0.98 in): Days with 25 mm or more rain	66	13	1962	7
50 mm (1.97 in): Days with 50 mm or more rain	33	5	1991	3
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1975	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.

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Data for Hailun 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).

Hailun Threshold Days by Year (CHM00050756)

Key Facts for Hailun Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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