Boxian Threshold Days by Year (CHM00058102)

16 fixed thresholds counted per year at Boxian (CHM00058102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boxian Thresholds

Boxian: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2022 with 127.
Boxian: days with a maximum temperature at or above 35 C (95 F) in 66 years, most in 2022 with 66.
Boxian: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 2024 with 100.
Boxian: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1969 with 108.
16 fixed thresholds have at least one qualifying day at Boxian.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Boxian with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2022.

Days at or above 30 C (86 F) per year at Boxian
Year	Days	Decade average
1953	108	86.3
1955	90	86.3
1956	64	86.3
1957	77	86.3
1958	75	86.3
1959	104	86.3
1960	87	88.5
1961	93	88.5
1962	98	88.5
1963	65	88.5
1964	76	88.5
1965	89	88.5
1966	97	88.5
1967	98	88.5
1968	89	88.5
1969	93	88.5
1970	81	82.4
1971	85	82.4
1972	76	82.4
1973	72	82.4
1974	83	82.4
1975	89	82.4
1976	64	82.4
1977	84	82.4
1978	106	82.4
1979	84	82.4
1980	62	74.4
1981	93	74.4
1982	77	74.4
1983	83	74.4
1984	69	74.4
1985	72	74.4
1986	75	74.4
1987	80	74.4
1988	76	74.4
1989	57	74.4
1990	86	85.5
1991	68	85.5
1992	74	85.5
1993	76	85.5
1994	99	85.5
1995	93	85.5
1996	83	85.5
1997	105	85.5
1998	88	85.5
1999	83	85.5
2000	87	81.2
2001	95	81.2
2002	94	81.2
2003	55	81.2
2004	74	81.2
2005	83	81.2
2006	85	81.2
2007	81	81.2
2008	79	81.2
2009	79	81.2
2010	80	73.5
2011	70	73.5
2012	73	73.5
2014	71	73.5
2020	108	114.5
2021	115	114.5
2022	127	114.5
2023	104	114.5
2024	127	114.5
2025	106	114.5

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

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

Every Fixed Threshold

Fixed thresholds at Boxian
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	127	2022	106
35 C (95 F): Days	66	66	2022	63
40 C (104 F): Days	14	4	1959	2
90 F (32.2 C): Days	66	100	2024	83
100 F (37.8 C): Days	47	18	1966	12
0 C (32 F): Ice days (max	53	26	1969	7
0 C (32 F): Frost days (min	66	108	1969	47
-10 C (14 F): Days with min	42	15	1955	1
-20 C (-4 F): Days with min	1	1	1969	1
20 C (68 F): Tropical nights (min	66	121	2024	88
25 C (77 F): Days with min	66	40	2024	53
10 mm (0.39 in): Days with 10 mm or more rain	66	36	1963	13
25 mm (0.98 in): Days with 25 mm or more rain	66	18	1963	5
50 mm (1.97 in): Days with 50 mm or more rain	64	8	1963	2
100 mm (3.94 in): Days with 100 mm or more rain	25	3	2000	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1997	1

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 Boxian 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).

Boxian Threshold Days by Year (CHM00058102)

Key Facts for Boxian Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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