Garrison Threshold Days by Year

18 fixed thresholds counted per year at Garrison (USC00323376): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Garrison Thresholds

Garrison: nights with a minimum temperature at or below 0 C (32 F) in 69 years, most in 2002 with 221.
Garrison: nights with a minimum temperature at or below -10 C (14 F) in 69 years, most in 1955 with 125.
Garrison: nights with a minimum temperature at or below -20 C (-4 F) in 69 years, most in 1978 with 67.
Garrison: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 2021 with 58.
18 fixed thresholds have at least one qualifying day at Garrison.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Garrison with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2021.

Days at or above 30 C (86 F) per year at Garrison
Year	Days	Decade average
1949	50	50
1950	23	27.6
1951	16	27.6
1952	33	27.6
1953	26	27.6
1954	22	27.6
1955	32	27.6
1956	17	27.6
1957	27	27.6
1958	37	27.6
1959	43	27.6
1960	38	31.5
1961	54	31.5
1962	17	31.5
1963	31	31.5
1964	27	31.5
1965	18	31.5
1966	36	31.5
1967	31	31.5
1971	27	27.3
1972	25	27.3
1973	27	27.3
1974	35	27.3
1975	22	27.3
1976	39	27.3
1977	24	27.3
1978	24	27.3
1979	23	27.3
1980	29	33.3
1982	27	33.3
1983	46	33.3
1986	21	33.3
1987	27	33.3
1988	43	33.3
1989	40	33.3
1990	29	20.9
1991	24	20.9
1993	5	20.9
1994	20	20.9
1995	18	20.9
1996	17	20.9
1997	28	20.9
1998	31	20.9
1999	16	20.9
2000	16	29.9
2001	34	29.9
2002	33	29.9
2003	37	29.9
2004	13	29.9
2006	43	29.9
2007	33	29.9
2010	22	26.6
2011	21	26.6
2012	37	26.6
2013	23	26.6
2014	12	26.6
2015	30	26.6
2016	30	26.6
2017	36	26.6
2018	31	26.6
2019	24	26.6
2020	36	37.9
2021	58	37.9
2022	36	37.9
2023	37	37.9
2024	31	37.9
2025	28	37.9
2026	39	37.9

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

First to last qualifying date each year at Garrison
Year	First date	Last date
1949	1949-04-28	1949-09-24
1950	1950-06-05	1950-09-06
1951	1951-05-23	1951-08-23
1952	1952-04-26	1952-09-27
1953	1953-06-12	1953-10-02
1954	1954-05-21	1954-09-05
1955	1955-05-03	1955-09-06
1956	1956-05-22	1956-09-27
1957	1957-07-02	1957-10-03
1958	1958-05-12	1958-09-13
1959	1959-05-25	1959-09-14
1960	1960-06-26	1960-09-21
1961	1961-05-30	1961-09-01
1962	1962-04-25	1962-08-27
1963	1963-05-31	1963-10-05
1964	1964-06-06	1964-09-02
1965	1965-05-14	1965-08-17
1966	1966-05-22	1966-09-13
1967	1967-05-25	1967-09-12
1971	1971-07-07	1971-09-03
1972	1972-05-16	1972-09-20
1973	1973-05-18	1973-09-01
1974	1974-06-04	1974-08-25
1975	1975-06-25	1975-08-29
1976	1976-06-03	1976-10-01
1977	1977-04-10	1977-08-10
1978	1978-06-10	1978-09-11
1979	1979-05-17	1979-09-17
1980	1980-04-21	1980-10-07
1982	1982-07-04	1982-09-11
1983	1983-05-27	1983-09-08
1986	1986-05-05	1986-08-25
1987	1987-04-19	1987-08-11
1988	1988-05-28	1988-08-25
1989	1989-04-23	1989-10-01
1990	1990-04-22	1990-09-26
1991	1991-07-15	1991-09-08
1993	1993-05-14	1993-08-10
1994	1994-05-18	1994-09-10
1995	1995-06-14	1995-09-05
1996	1996-06-10	1996-09-06
1997	1997-05-18	1997-10-03
1998	1998-06-26	1998-09-18
1999	1999-05-29	1999-09-01
2000	2000-06-08	2000-09-18
2001	2001-04-29	2001-09-06
2002	2002-05-29	2002-09-18
2003	2003-04-14	2003-09-09
2004	2004-06-30	2004-09-02
2006	2006-05-19	2006-09-14
2007	2007-05-19	2007-09-30
2010	2010-07-01	2010-08-28
2011	2011-06-03	2011-10-04
2012	2012-04-25	2012-10-01
2013	2013-05-14	2013-09-07
2014	2014-05-24	2014-09-27
2015	2015-06-09	2015-09-14
2016	2016-05-06	2016-09-02
2017	2017-06-02	2017-09-13
2018	2018-05-17	2018-08-31
2019	2019-05-31	2019-09-17
2020	2020-06-02	2020-09-23
2021	2021-06-03	2021-10-06
2022	2022-06-19	2022-09-20
2023	2023-05-24	2023-09-20
2024	2024-06-16	2024-09-30
2025	2025-05-09	2025-10-04
2026	2026-05-26	2026-08-25

Every Fixed Threshold

Fixed thresholds at Garrison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	58	2021	39
35 C (95 F): Days	62	19	1988	10
40 C (104 F): Days	7	2	1949	1
90 F (32.2 C): Days	68	38	1961	24
100 F (37.8 C): Days	30	6	1983	4
0 C (32 F): Ice days (max	68	119	1951	43
0 C (32 F): Frost days (min	69	221	2002	114
-10 C (14 F): Days with min	69	125	1955	46
-20 C (-4 F): Days with min	69	67	1978	16
-30 C (-22 F): Days with min	65	27	1982	4
-40 C (-40 F): Days with min	1	2	1983	2
20 C (68 F): Tropical nights (min	37	6	2021	4
10 mm (0.39 in): Days with 10 mm or more rain	68	23	2013	10
25 mm (0.98 in): Days with 25 mm or more rain	61	8	2010	5
50 mm (1.97 in): Days with 50 mm or more rain	17	2	1987	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	7	1996	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Garrison 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Garrison Threshold Days by Year

Key Facts for Garrison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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