Havre AP ASOS Threshold Days by Year (USW00094012)

19 fixed thresholds counted per year at Havre AP ASOS (USW00094012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Havre AP ASOS Thresholds

Havre AP ASOS: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2001 with 72.
Havre AP ASOS: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 2001 with 60.
Havre AP ASOS: days with a maximum temperature at or below 0 C (32 F) in 66 years, most in 1978 with 99.
Havre AP ASOS: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 2002 with 206.
19 fixed thresholds have at least one qualifying day at Havre AP ASOS.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Havre AP ASOS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 2001.

Days at or above 30 C (86 F) per year at Havre AP ASOS
Year	Days	Decade average
1961	61	44
1962	37	44
1963	54	44
1964	36	44
1965	22	44
1966	46	44
1967	57	44
1968	31	44
1969	52	44
1970	53	44.5
1971	50	44.5
1972	48	44.5
1973	48	44.5
1974	43	44.5
1975	28	44.5
1976	53	44.5
1977	36	44.5
1978	29	44.5
1979	57	44.5
1980	32	37.8
1981	41	37.8
1982	23	37.8
1983	40	37.8
1984	52	37.8
1985	37	37.8
1986	28	37.8
1987	34	37.8
1988	60	37.8
1989	31	37.8
1990	49	38.4
1991	39	38.4
1992	30	38.4
1993	12	38.4
1994	48	38.4
1995	24	38.4
1996	40	38.4
1997	45	38.4
1998	62	38.4
1999	35	38.4
2000	46	47.5
2001	72	47.5
2002	31	47.5
2003	56	47.5
2004	28	47.5
2005	39	47.5
2006	67	47.5
2007	51	47.5
2008	38	47.5
2009	47	47.5
2010	27	43.5
2011	52	43.5
2012	57	43.5
2013	46	43.5
2014	39	43.5
2015	44	43.5
2016	34	43.5
2017	60	43.5
2018	41	43.5
2019	35	43.5
2020	47	50.7
2021	64	50.7
2022	63	50.7
2023	48	50.7
2024	49	50.7
2025	35	50.7
2026	49	50.7

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

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

Every Fixed Threshold

Fixed thresholds at Havre AP ASOS
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	72	2001	49
35 C (95 F): Days	65	30	2001	15
40 C (104 F): Days	18	3	1971	3
90 F (32.2 C): Days	66	60	2001	30
100 F (37.8 C): Days	51	13	2001	5
110 F (43.3 C): Days	2	1	1961	1
0 C (32 F): Ice days (max	66	99	1978	20
0 C (32 F): Frost days (min	66	206	2002	117
-10 C (14 F): Days with min	66	107	1969	30
-20 C (-4 F): Days with min	66	55	1969	10
-30 C (-22 F): Days with min	58	23	1996	10
-40 C (-40 F): Days with min	11	4	1969	2
20 C (68 F): Tropical nights (min	17	3	2021	3
10 mm (0.39 in): Days with 10 mm or more rain	66	15	2016	5
25 mm (0.98 in): Days with 25 mm or more rain	40	4	1965	1
50 mm (1.97 in): Days with 50 mm or more rain	4	2	1983	1
10 cm (3.9 in): Days with 10 cm or more snowfall	49	6	1975	2
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1967	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

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Data for Havre AP ASOS 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).

Havre AP ASOS Threshold Days by Year (USW00094012)

Key Facts for Havre AP ASOS Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

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