San Nicolas Threshold Days by Year (MXN00028094)

15 fixed thresholds counted per year at San Nicolas (MXN00028094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Nicolas Thresholds

San Nicolas: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1990 with 225.
San Nicolas: days with a maximum temperature at or above 35 C (95 F) in 44 years, most in 1996 with 83.
San Nicolas: days with a maximum temperature at or above 90 F (32.2 C) in 44 years, most in 2006 with 137.
San Nicolas: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1981 with 33.
15 fixed thresholds have at least one qualifying day at San Nicolas.

Days at or above 30 C (86 F)

44 years with a qualifying day

Days per year at San Nicolas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 225 in 1990.

Days at or above 30 C (86 F) per year at San Nicolas
Year	Days	Decade average
1965	189	144.6
1966	133	144.6
1967	149	144.6
1968	120	144.6
1969	132	144.6
1970	143	127.8
1971	149	127.8
1972	118	127.8
1973	108	127.8
1974	117	127.8
1975	139	127.8
1976	97	127.8
1977	137	127.8
1978	153	127.8
1979	117	127.8
1980	165	151.4
1981	123	151.4
1982	169	151.4
1983	143	151.4
1984	127	151.4
1985	145	151.4
1986	177	151.4
1987	132	151.4
1988	146	151.4
1989	187	151.4
1990	225	185.1
1991	170	185.1
1992	112	185.1
1994	224	185.1
1995	204	185.1
1996	203	185.1
1997	168	185.1
1998	153	185.1
1999	207	185.1
2000	169	164.8
2001	168	164.8
2002	187	164.8
2003	145	164.8
2004	137	164.8
2005	166	164.8
2006	197	164.8
2007	147	164.8
2008	156	164.8
2009	176	164.8

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

First to last qualifying date each year at San Nicolas
Year	First date	Last date
1965	1965-02-07	1965-11-27
1966	1966-03-02	1966-11-10
1967	1967-02-21	1967-11-25
1968	1968-01-03	1968-10-16
1969	1969-01-24	1969-11-16
1970	1970-01-23	1970-11-19
1971	1971-01-30	1971-11-22
1972	1972-01-13	1972-12-23
1973	1973-03-03	1973-12-31
1974	1974-02-02	1974-09-30
1975	1975-01-26	1975-11-30
1976	1976-01-01	1976-09-26
1977	1977-02-25	1977-12-19
1978	1978-02-28	1978-12-06
1979	1979-01-13	1979-10-30
1980	1980-02-15	1980-11-09
1981	1981-03-29	1981-12-27
1982	1982-01-02	1982-10-09
1983	1983-03-03	1983-12-05
1984	1984-02-15	1984-12-13
1985	1985-03-11	1985-11-12
1986	1986-01-28	1986-11-18
1987	1987-04-11	1987-12-11
1988	1988-03-11	1988-12-19
1989	1989-01-07	1989-11-28
1990	1990-02-02	1990-12-30
1991	1991-02-24	1991-11-26
1992	1992-03-09	1992-10-15
1994	1994-01-06	1994-12-18
1995	1995-01-06	1995-12-05
1996	1996-01-15	1996-12-07
1997	1997-01-04	1997-12-08
1998	1998-01-02	1998-11-01
1999	1999-01-17	1999-11-08
2000	2000-02-10	2000-11-15
2001	2001-01-10	2001-12-20
2002	2002-01-13	2002-11-10
2003	2003-01-20	2003-11-23
2004	2004-04-10	2004-12-01
2005	2005-01-26	2005-10-11
2006	2006-01-01	2006-11-10
2007	2007-02-24	2007-11-21
2008	2008-01-29	2008-12-20
2009	2009-02-14	2009-10-15

Every Fixed Threshold

Fixed thresholds at San Nicolas
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	44	225	1990	176
35 C (95 F): Days	44	83	1996	50
40 C (104 F): Days	21	27	1991	1
45 C (113 F): Days	1	6	1991	6
90 F (32.2 C): Days	44	137	2006	94
100 F (37.8 C): Days	36	37	1991	7
110 F (43.3 C): Days	1	9	1991	9
0 C (32 F): Frost days (min	36	13	1973	3
20 C (68 F): Tropical nights (min	43	155	1986	106
25 C (77 F): Days with min	3	3	1965	1
10 mm (0.39 in): Days with 10 mm or more rain	44	33	1981	20
25 mm (0.98 in): Days with 25 mm or more rain	43	17	2008	6
50 mm (1.97 in): Days with 50 mm or more rain	36	6	1967	3
100 mm (3.94 in): Days with 100 mm or more rain	14	3	2005	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1988	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 San Nicolas 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).

San Nicolas Threshold Days by Year (MXN00028094)

Key Facts for San Nicolas Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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