Andrews Threshold Days by Year (USC00380184)

16 fixed thresholds counted per year at Andrews (USC00380184): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Andrews Thresholds

Andrews: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1977 with 127.
Andrews: days with a maximum temperature at or above 35 C (95 F) in 48 years, most in 1980 with 44.
Andrews: days with a maximum temperature at or above 90 F (32.2 C) in 48 years, most in 1980 with 98.
Andrews: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 2018 with 53.
16 fixed thresholds have at least one qualifying day at Andrews.

Days at or above 30 C (86 F)

48 years with a qualifying day

Days per year at Andrews with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 1977.

Days at or above 30 C (86 F) per year at Andrews
Year	Days	Decade average
1965	111	103.5
1966	94	103.5
1967	99	103.5
1968	110	103.5
1976	84	108.7
1977	127	108.7
1978	115	108.7
1980	121	111.4
1981	117	111.4
1984	116	111.4
1985	112	111.4
1986	112	111.4
1987	103	111.4
1989	99	111.4
1990	118	99.1
1991	105	99.1
1992	86	99.1
1993	115	99.1
1994	92	99.1
1995	91	99.1
1996	96	99.1
1997	74	99.1
1998	122	99.1
1999	92	99.1
2000	94	101.4
2001	108	101.4
2003	102	101.4
2004	101	101.4
2006	100	101.4
2007	114	101.4
2008	96	101.4
2009	96	101.4
2010	123	107.4
2011	122	107.4
2012	97	107.4
2013	69	107.4
2015	100	107.4
2016	110	107.4
2017	104	107.4
2018	122	107.4
2019	120	107.4
2020	83	99.6
2021	89	99.6
2022	114	99.6
2023	90	99.6
2024	100	99.6
2025	92	99.6
2026	129	99.6

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

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

Every Fixed Threshold

Fixed thresholds at Andrews
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	48	127	1977	129
35 C (95 F): Days	48	44	1980	44
40 C (104 F): Days	1	1	1981	1
90 F (32.2 C): Days	48	98	1980	84
100 F (37.8 C): Days	20	12	1980	10
0 C (32 F): Ice days (max	13	3	2018	1
0 C (32 F): Frost days (min	47	78	1968	38
-10 C (14 F): Days with min	7	4	1985	4
20 C (68 F): Tropical nights (min	47	112	2018	95
25 C (77 F): Days with min	23	8	1986	1
10 mm (0.39 in): Days with 10 mm or more rain	48	53	2018	21
25 mm (0.98 in): Days with 25 mm or more rain	48	28	1997	5
50 mm (1.97 in): Days with 50 mm or more rain	46	11	1999	3
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1987	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2015	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	1	1989	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

Data for Andrews 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).

Andrews Threshold Days by Year (USC00380184)

Key Facts for Andrews Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related