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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Chiepetepec Threshold Days by Year (MXN00012178)

9 fixed thresholds counted per year at Chiepetepec (MXN00012178): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chiepetepec Thresholds

  • Chiepetepec: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1995 with 46.
  • Chiepetepec: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2004 with 15.
  • Chiepetepec: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1993 with 268.
  • Chiepetepec: days with a maximum temperature at or above 90 F (32.2 C) in 16 years, most in 2011 with 125.
  • 9 fixed thresholds have at least one qualifying day at Chiepetepec.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Chiepetepec Days per year at Chiepetepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 268 in 1993. 01002003001981: 221982: 441983: 101984: 51985: 661989: 1311993: 2681997: 261998: 882002: 732003: 692004: 482005: 862006: 302007: 462008: 822009: 1922011: 2202012: 1961981198319851993199820032005200720092012
Days per year at Chiepetepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 268 in 1993.
Days at or above 30 C (86 F) per year at Chiepetepec
YearDaysDecade average
19812246.3
19824446.3
19831046.3
1984546.3
19856646.3
198913146.3
1993268127.3
199726127.3
199888127.3
20027378.3
20036978.3
20044878.3
20058678.3
20063078.3
20074678.3
20088278.3
200919278.3
2011220208
2012196208
First to last qualifying date each year at Chiepetepec For each year, a bar from the first to the last day at Chiepetepec meeting 30 C (86 F). 1981: 22 March 1981 to 24 May 19811982: 28 February 1982 to 18 June 19821983: 3 May 1983 to 9 June 19831984: 26 March 1984 to 31 March 19841985: 31 January 1985 to 24 August 19851989: 1 July 1989 to 31 December 19891993: 1 January 1993 to 31 December 19931997: 20 February 1997 to 9 December 19971998: 17 February 1998 to 2 August 19982002: 26 January 2002 to 30 May 20022003: 24 February 2003 to 23 May 20032004: 3 March 2004 to 30 May 20042005: 2 March 2005 to 18 June 20052006: 3 February 2006 to 13 May 20062007: 21 February 2007 to 3 June 20072008: 24 February 2008 to 28 December 20082009: 4 January 2009 to 31 December 20092011: 4 January 2011 to 31 December 20112012: 7 January 2012 to 30 November 20121981198419932002200520082012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chiepetepec meeting 30 C (86 F).
First to last qualifying date each year at Chiepetepec
YearFirst dateLast date
19811981-03-221981-05-24
19821982-02-281982-06-18
19831983-05-031983-06-09
19841984-03-261984-03-31
19851985-01-311985-08-24
19891989-07-011989-12-31
19931993-01-011993-12-31
19971997-02-201997-12-09
19981998-02-171998-08-02
20022002-01-262002-05-30
20032003-02-242003-05-23
20042004-03-032004-05-30
20052005-03-022005-06-18
20062006-02-032006-05-13
20072007-02-212007-06-03
20082008-02-242008-12-28
20092009-01-042009-12-31
20112011-01-042011-12-31
20122012-01-072012-11-30

Every Fixed Threshold

Fixed thresholds at Chiepetepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days192681993196
35 C (95 F): Days1283201125
40 C (104 F): Days1220112
90 F (32.2 C): Days16125201192
100 F (37.8 C): Days520201120
20 C (68 F): Tropical nights (min52320031
10 mm (0.39 in): Days with 10 mm or more rain2646199526
25 mm (0.98 in): Days with 25 mm or more rain2315200410
50 mm (1.97 in): Days with 50 mm or more rain14420124

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Chiepetepec 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).