Galliano Threshold Days by Year (USC00163433)

14 fixed thresholds counted per year at Galliano (USC00163433): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Galliano Thresholds

Galliano: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1971 with 64.
Galliano: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1992 with 34.
Galliano: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1992 with 15.
Galliano: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 2019 with 144.
14 fixed thresholds have at least one qualifying day at Galliano.

Days at or above 30 C (86 F)

49 years with a qualifying day

Days per year at Galliano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 144 in 2019.

Days at or above 30 C (86 F) per year at Galliano
Year	Days	Decade average
1969	119	119
1970	120	120.7
1971	126	120.7
1972	141	120.7
1973	132	120.7
1974	108	120.7
1975	108	120.7
1976	112	120.7
1977	125	120.7
1978	132	120.7
1979	103	120.7
1980	125	109.4
1983	106	109.4
1984	99	109.4
1985	128	109.4
1986	123	109.4
1987	95	109.4
1988	93	109.4
1989	106	109.4
1990	119	106.1
1991	93	106.1
1992	84	106.1
1993	90	106.1
1994	84	106.1
1995	121	106.1
1996	118	106.1
1997	109	106.1
1998	124	106.1
1999	119	106.1
2000	125	111.6
2001	97	111.6
2002	115	111.6
2003	102	111.6
2004	111	111.6
2005	126	111.6
2006	125	111.6
2007	120	111.6
2008	80	111.6
2009	115	111.6
2010	116	112
2011	119	112
2012	100	112
2013	103	112
2014	102	112
2015	110	112
2016	100	112
2017	91	112
2018	135	112
2019	144	112

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

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

Every Fixed Threshold

Fixed thresholds at Galliano
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	49	144	2019	144
35 C (95 F): Days	35	22	1980	18
90 F (32.2 C): Days	49	95	1972	86
100 F (37.8 C): Days	2	1	1971	1
0 C (32 F): Ice days (max	3	1	1983	1
0 C (32 F): Frost days (min	47	24	1985	2
-10 C (14 F): Days with min	3	3	1989	1
20 C (68 F): Tropical nights (min	48	176	2015	176
25 C (77 F): Days with min	47	68	2019	68
10 mm (0.39 in): Days with 10 mm or more rain	50	64	1971	44
25 mm (0.98 in): Days with 25 mm or more rain	50	34	1992	20
50 mm (1.97 in): Days with 50 mm or more rain	50	15	1992	5
100 mm (3.94 in): Days with 100 mm or more rain	39	4	1980	3
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

Data for Galliano 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).

Galliano Threshold Days by Year (USC00163433)

Key Facts for Galliano Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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