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Built 2026-10-19 (19 October 2026)

Santiago Tulantepec Threshold Days by Year (MXN00013031)

8 fixed thresholds counted per year at Santiago Tulantepec (MXN00013031): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santiago Tulantepec Thresholds

  • Santiago Tulantepec: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1976 with 27.
  • Santiago Tulantepec: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1991 with 55.
  • Santiago Tulantepec: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2000 with 66.
  • Santiago Tulantepec: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1998 with 9.
  • 8 fixed thresholds have at least one qualifying day at Santiago Tulantepec.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Santiago Tulantepec Days per year at Santiago Tulantepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1991. 02040601969: 171970: 331971: 211972: 231973: 431974: 151975: 281976: 31977: 211978: 241979: 231980: 191981: 171982: 301983: 451984: 291985: 71986: 171987: 91990: 171991: 551993: 121997: 81998: 101999: 22000: 82005: 422007: 242008: 262011: 202012: 1019691973197719811985199119992008
Days per year at Santiago Tulantepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1991.
Days at or above 30 C (86 F) per year at Santiago Tulantepec
YearDaysDecade average
19691717
19703323.4
19712123.4
19722323.4
19734323.4
19741523.4
19752823.4
1976323.4
19772123.4
19782423.4
19792323.4
19801921.6
19811721.6
19823021.6
19834521.6
19842921.6
1985721.6
19861721.6
1987921.6
19901717.3
19915517.3
19931217.3
1997817.3
19981017.3
1999217.3
2000825
20054225
20072425
20082625
20112015
20121015
First to last qualifying date each year at Santiago Tulantepec For each year, a bar from the first to the last day at Santiago Tulantepec meeting 30 C (86 F). 1969: 14 March 1969 to 12 June 19691970: 20 March 1970 to 12 June 19701971: 19 April 1971 to 24 May 19711972: 29 March 1972 to 24 May 19721973: 22 February 1973 to 2 July 19731974: 20 March 1974 to 9 June 19741975: 12 March 1975 to 7 May 19751976: 24 May 1976 to 26 May 19761977: 4 March 1977 to 21 May 19771978: 27 February 1978 to 14 May 19781979: 24 March 1979 to 10 July 19791980: 10 February 1980 to 17 May 19801981: 29 March 1981 to 5 June 19811982: 13 March 1982 to 7 July 19821983: 19 March 1983 to 13 June 19831984: 26 March 1984 to 7 May 19841985: 28 March 1985 to 14 May 19851986: 17 March 1986 to 16 May 19861987: 18 January 1987 to 26 September 19871990: 14 March 1990 to 5 June 19901991: 17 February 1991 to 8 June 19911993: 25 February 1993 to 7 June 19931997: 28 February 1997 to 2 May 19971998: 5 April 1998 to 15 June 19981999: 9 April 1999 to 29 April 19992000: 10 February 2000 to 25 February 20002005: 24 March 2005 to 13 June 20052007: 13 April 2007 to 7 June 20072008: 16 March 2008 to 12 August 20082011: 10 April 2011 to 29 May 20112012: 29 April 2012 to 1 June 201219691973197719811985199119992008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santiago Tulantepec meeting 30 C (86 F).
First to last qualifying date each year at Santiago Tulantepec
YearFirst dateLast date
19691969-03-141969-06-12
19701970-03-201970-06-12
19711971-04-191971-05-24
19721972-03-291972-05-24
19731973-02-221973-07-02
19741974-03-201974-06-09
19751975-03-121975-05-07
19761976-05-241976-05-26
19771977-03-041977-05-21
19781978-02-271978-05-14
19791979-03-241979-07-10
19801980-02-101980-05-17
19811981-03-291981-06-05
19821982-03-131982-07-07
19831983-03-191983-06-13
19841984-03-261984-05-07
19851985-03-281985-05-14
19861986-03-171986-05-16
19871987-01-181987-09-26
19901990-03-141990-06-05
19911991-02-171991-06-08
19931993-02-251993-06-07
19971997-02-281997-05-02
19981998-04-051998-06-15
19991999-04-091999-04-29
20002000-02-102000-02-25
20052005-03-242005-06-13
20072007-04-132007-06-07
20082008-03-162008-08-12
20112011-04-102011-05-29
20122012-04-292012-06-01

Every Fixed Threshold

Fixed thresholds at Santiago Tulantepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3155199110
35 C (95 F): Days2319833
90 F (32.2 C): Days161219832
0 C (32 F): Frost days (min3066200031
20 C (68 F): Tropical nights (min1119831
10 mm (0.39 in): Days with 10 mm or more rain3227197621
25 mm (0.98 in): Days with 25 mm or more rain27919984
50 mm (1.97 in): Days with 50 mm or more rain12320051

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 Santiago Tulantepec 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).