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Built 2026-10-19 (19 October 2026)

Calvillito Threshold Days by Year (MXN00001096)

11 fixed thresholds counted per year at Calvillito (MXN00001096): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Calvillito Thresholds

  • Calvillito: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2002 with 26.
  • Calvillito: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1996 with 175.
  • Calvillito: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 2008 with 9.
  • Calvillito: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1996 with 59.
  • 11 fixed thresholds have at least one qualifying day at Calvillito.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Calvillito Days per year at Calvillito with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 1996. 0501001502001984: 411987: 371988: 621989: 771990: 551991: 801992: 1001993: 731994: 821995: 1381996: 1751997: 1751998: 381999: 462000: 242001: 472002: 662003: 662004: 302005: 632006: 492007: 382008: 392009: 462010: 392011: 572012: 24198419891992199519982001200420072010
Days per year at Calvillito with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 1996.
Days at or above 30 C (86 F) per year at Calvillito
YearDaysDecade average
19844154.3
19873754.3
19886254.3
19897754.3
19905596.2
19918096.2
199210096.2
19937396.2
19948296.2
199513896.2
199617596.2
199717596.2
19983896.2
19994696.2
20002446.8
20014746.8
20026646.8
20036646.8
20043046.8
20056346.8
20064946.8
20073846.8
20083946.8
20094646.8
20103940
20115740
20122440
First to last qualifying date each year at Calvillito For each year, a bar from the first to the last day at Calvillito meeting 30 C (86 F). 1984: 25 March 1984 to 28 October 19841987: 15 April 1987 to 18 September 19871988: 23 March 1988 to 16 November 19881989: 1 March 1989 to 8 November 19891990: 12 March 1990 to 20 June 19901991: 5 March 1991 to 23 June 19911992: 6 March 1992 to 29 December 19921993: 18 March 1993 to 16 September 19931994: 5 March 1994 to 31 October 19941995: 13 February 1995 to 30 September 19951996: 1 March 1996 to 23 November 19961997: 7 February 1997 to 30 September 19971998: 4 April 1998 to 25 June 19981999: 6 April 1999 to 11 September 19992000: 18 April 2000 to 20 August 20002001: 4 April 2001 to 22 August 20012002: 13 March 2002 to 28 June 20022003: 7 March 2003 to 22 July 20032004: 19 March 2004 to 20 October 20042005: 28 March 2005 to 20 October 20052006: 14 March 2006 to 19 July 20062007: 17 April 2007 to 22 September 20072008: 24 February 2008 to 20 June 20082009: 26 February 2009 to 16 August 20092010: 9 April 2010 to 28 June 20102011: 6 April 2011 to 20 June 20112012: 27 April 2012 to 18 June 20121984199019941998200220062010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Calvillito meeting 30 C (86 F).
First to last qualifying date each year at Calvillito
YearFirst dateLast date
19841984-03-251984-10-28
19871987-04-151987-09-18
19881988-03-231988-11-16
19891989-03-011989-11-08
19901990-03-121990-06-20
19911991-03-051991-06-23
19921992-03-061992-12-29
19931993-03-181993-09-16
19941994-03-051994-10-31
19951995-02-131995-09-30
19961996-03-011996-11-23
19971997-02-071997-09-30
19981998-04-041998-06-25
19991999-04-061999-09-11
20002000-04-182000-08-20
20012001-04-042001-08-22
20022002-03-132002-06-28
20032003-03-072003-07-22
20042004-03-192004-10-20
20052005-03-282005-10-20
20062006-03-142006-07-19
20072007-04-172007-09-22
20082008-02-242008-06-20
20092009-02-262009-08-16
20102010-04-092010-06-28
20112011-04-062011-06-20
20122012-04-272012-06-18

Every Fixed Threshold

Fixed thresholds at Calvillito
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27175199624
35 C (95 F): Days153319952
90 F (32.2 C): Days265919962
100 F (37.8 C): Days3919951
0 C (32 F): Frost days (min26121200847
-10 C (14 F): Days with min1120031
20 C (68 F): Tropical nights (min2419951
10 mm (0.39 in): Days with 10 mm or more rain2926200213
25 mm (0.98 in): Days with 25 mm or more rain27920089
50 mm (1.97 in): Days with 50 mm or more rain12219941
100 mm (3.94 in): Days with 100 mm or more rain1120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

  • Data for Calvillito 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).