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Built 2026-10-19 (19 October 2026)

San Nicolas Threshold Days by Year (MXN00003129)

13 fixed thresholds counted per year at San Nicolas (MXN00003129): 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 31 years, most in 1987 with 301.
  • San Nicolas: days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 1987 with 187.
  • San Nicolas: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1987 with 264.
  • San Nicolas: days with a maximum temperature at or above 100 F (37.8 C) in 31 years, most in 1987 with 115.
  • 13 fixed thresholds have at least one qualifying day at San Nicolas.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at San Nicolas 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 301 in 1987. 01002003004001980: 1771981: 1951982: 1741983: 1781984: 1671985: 2001986: 2921987: 3011988: 2101989: 2141991: 1901992: 2071993: 2021994: 2091995: 2141996: 2081997: 2171998: 2001999: 2092000: 1722001: 1912002: 2122003: 2072004: 2132006: 2112007: 2052008: 2022009: 2132010: 1922011: 1942012: 20119801984198819931997200120062010
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 301 in 1987.
Days at or above 30 C (86 F) per year at San Nicolas
YearDaysDecade average
1980177210.8
1981195210.8
1982174210.8
1983178210.8
1984167210.8
1985200210.8
1986292210.8
1987301210.8
1988210210.8
1989214210.8
1991190206.2
1992207206.2
1993202206.2
1994209206.2
1995214206.2
1996208206.2
1997217206.2
1998200206.2
1999209206.2
2000172202.9
2001191202.9
2002212202.9
2003207202.9
2004213202.9
2006211202.9
2007205202.9
2008202202.9
2009213202.9
2010192195.7
2011194195.7
2012201195.7
First to last qualifying date each year at San Nicolas For each year, a bar from the first to the last day at San Nicolas meeting 30 C (86 F). 1980: 8 April 1980 to 25 November 19801981: 1 March 1981 to 18 November 19811982: 24 February 1982 to 17 November 19821983: 1 March 1983 to 18 November 19831984: 27 March 1984 to 13 November 19841985: 3 April 1985 to 17 November 19851986: 25 February 1986 to 27 December 19861987: 30 January 1987 to 30 November 19871988: 24 March 1988 to 24 November 19881989: 25 February 1989 to 6 December 19891991: 14 February 1991 to 28 November 19911992: 16 March 1992 to 20 November 19921993: 10 February 1993 to 15 November 19931994: 6 January 1994 to 12 November 19941995: 14 January 1995 to 7 December 19951996: 6 February 1996 to 9 December 19961997: 3 January 1997 to 18 December 19971998: 2 January 1998 to 28 November 19981999: 16 January 1999 to 1 December 19992000: 19 January 2000 to 27 October 20002001: 16 March 2001 to 25 November 20012002: 15 January 2002 to 25 November 20022003: 5 January 2003 to 12 November 20032004: 9 March 2004 to 7 November 20042006: 28 February 2006 to 27 December 20062007: 7 March 2007 to 10 November 20072008: 13 March 2008 to 21 November 20082009: 23 February 2009 to 28 November 20092010: 27 February 2010 to 8 November 20102011: 8 February 2011 to 29 November 20112012: 11 February 2012 to 6 December 201219801984198819931997200120062010JanFebMarAprMayJunJulAugSepOctNovDec
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
YearFirst dateLast date
19801980-04-081980-11-25
19811981-03-011981-11-18
19821982-02-241982-11-17
19831983-03-011983-11-18
19841984-03-271984-11-13
19851985-04-031985-11-17
19861986-02-251986-12-27
19871987-01-301987-11-30
19881988-03-241988-11-24
19891989-02-251989-12-06
19911991-02-141991-11-28
19921992-03-161992-11-20
19931993-02-101993-11-15
19941994-01-061994-11-12
19951995-01-141995-12-07
19961996-02-061996-12-09
19971997-01-031997-12-18
19981998-01-021998-11-28
19991999-01-161999-12-01
20002000-01-192000-10-27
20012001-03-162001-11-25
20022002-01-152002-11-25
20032003-01-052003-11-12
20042004-03-092004-11-07
20062006-02-282006-12-27
20072007-03-072007-11-10
20082008-03-132008-11-21
20092009-02-232009-11-28
20102010-02-272010-11-08
20112011-02-082011-11-29
20122012-02-112012-12-06

Every Fixed Threshold

Fixed thresholds at San Nicolas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days313011987201
35 C (95 F): Days311871987109
40 C (104 F): Days309219874
90 F (32.2 C): Days312641987150
100 F (37.8 C): Days31115198730
110 F (43.3 C): Days1119981
20 C (68 F): Tropical nights (min311541980134
25 C (77 F): Days with min3179200875
10 mm (0.39 in): Days with 10 mm or more rain31820128
25 mm (0.98 in): Days with 25 mm or more rain22419844
50 mm (1.97 in): Days with 50 mm or more rain10219831
100 mm (3.94 in): Days with 100 mm or more rain5119971
200 mm (7.87 in): Days with 200 mm or more rain1120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

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 . Last revised (2025-12-31).