Seychelles Internat Threshold Days by Year (SE000063980)

9 fixed thresholds counted per year at Seychelles Internat (SE000063980): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seychelles Internat Thresholds

Seychelles Internat: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1997 with 88.
Seychelles Internat: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1997 with 44.
Seychelles Internat: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1997 with 20.
Seychelles Internat: days with 100 mm (3.94 in) or more of precipitation in 39 years, most in 1995 with 6.
9 fixed thresholds have at least one qualifying day at Seychelles Internat.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Seychelles Internat with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 221 in 1998.

Days at or above 30 C (86 F) per year at Seychelles Internat
Year	Days	Decade average
1972	118	167.1
1973	210	167.1
1974	145	167.1
1975	160	167.1
1976	159	167.1
1977	172	167.1
1978	181	167.1
1979	192	167.1
1980	181	179.1
1981	155	179.1
1982	200	179.1
1983	212	179.1
1984	120	179.1
1985	141	179.1
1986	192	179.1
1987	218	179.1
1988	200	179.1
1989	172	179.1
1990	212	192.4
1991	212	192.4
1992	175	192.4
1993	175	192.4
1994	199	192.4
1995	197	192.4
1996	154	192.4
1997	202	192.4
1998	221	192.4
1999	177	192.4
2000	180	200.3
2001	221	200.3
2002	193	200.3
2003	207	200.3
2025	111	111

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

First to last qualifying date each year at Seychelles Internat
Year	First date	Last date
1972	1972-01-03	1972-12-31
1973	1973-01-01	1973-12-26
1974	1974-01-03	1974-12-30
1975	1975-01-01	1975-12-29
1976	1976-01-05	1976-12-31
1977	1977-01-01	1977-12-27
1978	1978-01-02	1978-12-28
1979	1979-01-03	1979-12-31
1980	1980-01-01	1980-12-29
1981	1981-01-02	1981-12-26
1982	1982-01-07	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-02	1984-12-26
1985	1985-01-09	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-02	1987-12-31
1988	1988-01-02	1988-12-31
1989	1989-01-02	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-29
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-30
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-30
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-27
2001	2001-01-03	2001-12-31
2002	2002-01-01	2002-12-30
2003	2003-01-01	2003-12-31
2025	2025-02-12	2025-06-26

Every Fixed Threshold

Fixed thresholds at Seychelles Internat
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	221	1998	111
90 F (32.2 C): Days	31	53	1998	22
20 C (68 F): Tropical nights (min	33	366	1972	121
25 C (77 F): Days with min	33	214	1998	92
10 mm (0.39 in): Days with 10 mm or more rain	46	88	1997	17
25 mm (0.98 in): Days with 25 mm or more rain	46	44	1997	7
50 mm (1.97 in): Days with 50 mm or more rain	46	20	1997	3
100 mm (3.94 in): Days with 100 mm or more rain	39	6	1995	1
200 mm (7.87 in): Days with 200 mm or more rain	7	2	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 1972.

Download the Data

Data for Seychelles Internat 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).

Seychelles Internat Threshold Days by Year (SE000063980)

Key Facts for Seychelles Internat Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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