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Built 2026-10-19 (19 October 2026)

Jilotepec Threshold Days by Year (MXN00015225)

8 fixed thresholds counted per year at Jilotepec (MXN00015225): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jilotepec Thresholds

  • Jilotepec: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1983 with 36.
  • Jilotepec: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 2008 with 15.
  • Jilotepec: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1998 with 76.
  • Jilotepec: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 1998 with 35.
  • 8 fixed thresholds have at least one qualifying day at Jilotepec.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Jilotepec Days per year at Jilotepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1998. 0204060801977: 241978: 281979: 311980: 221981: 181982: 431983: 681986: 331987: 211988: 431993: 191994: 251995: 531996: 331998: 761999: 352000: 132001: 192004: 52005: 412006: 162008: 292009: 442010: 502011: 52197719801983198819951999200420082011
Days per year at Jilotepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1998.
Days at or above 30 C (86 F) per year at Jilotepec
YearDaysDecade average
19772427.7
19782827.7
19793127.7
19802235.4
19811835.4
19824335.4
19836835.4
19863335.4
19872135.4
19884335.4
19931940.2
19942540.2
19955340.2
19963340.2
19987640.2
19993540.2
20001323.9
20011923.9
2004523.9
20054123.9
20061623.9
20082923.9
20094423.9
20105051
20115251
First to last qualifying date each year at Jilotepec For each year, a bar from the first to the last day at Jilotepec meeting 30 C (86 F). 1977: 4 March 1977 to 23 October 19771978: 1 January 1978 to 18 May 19781979: 23 March 1979 to 2 December 19791980: 9 March 1980 to 1 June 19801981: 29 March 1981 to 10 September 19811982: 22 January 1982 to 8 August 19821983: 20 March 1983 to 29 June 19831986: 16 March 1986 to 1 June 19861987: 18 March 1987 to 18 September 19871988: 19 February 1988 to 4 June 19881993: 31 March 1993 to 7 June 19931994: 7 March 1994 to 26 May 19941995: 14 February 1995 to 10 June 19951996: 27 February 1996 to 29 May 19961998: 5 March 1998 to 13 July 19981999: 8 March 1999 to 5 June 19992000: 28 March 2000 to 26 May 20002001: 18 March 2001 to 20 May 20012004: 21 April 2004 to 27 May 20042005: 22 March 2005 to 14 June 20052006: 11 March 2006 to 10 May 20062008: 31 March 2008 to 6 June 20082009: 31 March 2009 to 15 June 20092010: 14 March 2010 to 13 June 20102011: 24 March 2011 to 20 June 20111977198119871995200020062011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jilotepec meeting 30 C (86 F).
First to last qualifying date each year at Jilotepec
YearFirst dateLast date
19771977-03-041977-10-23
19781978-01-011978-05-18
19791979-03-231979-12-02
19801980-03-091980-06-01
19811981-03-291981-09-10
19821982-01-221982-08-08
19831983-03-201983-06-29
19861986-03-161986-06-01
19871987-03-181987-09-18
19881988-02-191988-06-04
19931993-03-311993-06-07
19941994-03-071994-05-26
19951995-02-141995-06-10
19961996-02-271996-05-29
19981998-03-051998-07-13
19991999-03-081999-06-05
20002000-03-282000-05-26
20012001-03-182001-05-20
20042004-04-212004-05-27
20052005-03-222005-06-14
20062006-03-112006-05-10
20082008-03-312008-06-06
20092009-03-312009-06-15
20102010-03-142010-06-13
20112011-03-242011-06-20

Every Fixed Threshold

Fixed thresholds at Jilotepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2576199852
35 C (95 F): Days4619981
90 F (32.2 C): Days193519982
0 C (32 F): Frost days (min8319773
10 mm (0.39 in): Days with 10 mm or more rain2836198323
25 mm (0.98 in): Days with 25 mm or more rain281520084
50 mm (1.97 in): Days with 50 mm or more rain13519792
100 mm (3.94 in): Days with 100 mm or more rain1219802

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Jilotepec 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).