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Built 2026-10-19 (19 October 2026)

Guichixu Threshold Days by Year (MXN00020330)

10 fixed thresholds counted per year at Guichixu (MXN00020330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guichixu Thresholds

  • Guichixu: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1994 with 365.
  • Guichixu: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 2009 with 299.
  • Guichixu: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 2009 with 351.
  • Guichixu: nights with a minimum temperature at or above 20 C (68 F) in 21 years, most in 1999 with 283.
  • 10 fixed thresholds have at least one qualifying day at Guichixu.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Guichixu Days per year at Guichixu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1994. 01002003004001981: 3151982: 3111983: 3451984: 3421986: 2841991: 3631992: 3641994: 3651995: 3641996: 3591997: 3341998: 3241999: 3582000: 2542003: 3022004: 3482005: 3642006: 3652007: 3602008: 3472009: 3621981198419921996199920042007
Days per year at Guichixu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1994.
Days at or above 30 C (86 F) per year at Guichixu
YearDaysDecade average
1981315319.4
1982311319.4
1983345319.4
1984342319.4
1986284319.4
1991363353.9
1992364353.9
1994365353.9
1995364353.9
1996359353.9
1997334353.9
1998324353.9
1999358353.9
2000254337.8
2003302337.8
2004348337.8
2005364337.8
2006365337.8
2007360337.8
2008347337.8
2009362337.8
First to last qualifying date each year at Guichixu For each year, a bar from the first to the last day at Guichixu meeting 30 C (86 F). 1981: 6 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841986: 1 January 1986 to 30 November 19861991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 28 December 19961997: 1 January 1997 to 31 December 19971998: 5 January 1998 to 31 December 19981999: 1 January 1999 to 25 December 19992000: 1 January 2000 to 31 December 20002003: 23 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20091981198419921996199920042007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Guichixu meeting 30 C (86 F).
First to last qualifying date each year at Guichixu
YearFirst dateLast date
19811981-01-061981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19861986-01-011986-11-30
19911991-01-011991-12-31
19921992-01-011992-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-28
19971997-01-011997-12-31
19981998-01-051998-12-31
19991999-01-011999-12-25
20002000-01-012000-12-31
20032003-01-232003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31

Every Fixed Threshold

Fixed thresholds at Guichixu
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days213651994362
35 C (95 F): Days212992009299
40 C (104 F): Days113019991
90 F (32.2 C): Days213512009351
100 F (37.8 C): Days1989199625
20 C (68 F): Tropical nights (min212831999144
25 C (77 F): Days with min104419993
10 mm (0.39 in): Days with 10 mm or more rain1031200820
25 mm (0.98 in): Days with 25 mm or more rain91520088
50 mm (1.97 in): Days with 50 mm or more rain8520082

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 Guichixu 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).