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Built 2026-10-19 (19 October 2026)

Alfredo V. Bonfil Threshold Days by Year (MXN00003110)

11 fixed thresholds counted per year at Alfredo V. Bonfil (MXN00003110): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alfredo V. Bonfil Thresholds

  • Alfredo V. Bonfil: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1989 with 240.
  • Alfredo V. Bonfil: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 1989 with 178.
  • Alfredo V. Bonfil: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 1986 with 186.
  • Alfredo V. Bonfil: nights with a minimum temperature at or above 25 C (77 F) in 32 years, most in 1997 with 83.
  • 11 fixed thresholds have at least one qualifying day at Alfredo V. Bonfil.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Alfredo V. Bonfil Days per year at Alfredo V. Bonfil with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1989. 01002003001978: 1931979: 1811980: 1931981: 2011982: 1971983: 2051984: 2101985: 2091986: 2331987: 2151988: 2091989: 2401990: 2271991: 2071993: 2321994: 1951995: 1991996: 2241997: 1281998: 1581999: 742000: 1012002: 462003: 282004: 1522005: 862006: 902007: 752008: 832010: 612011: 972012: 9819781982198619901995199920042008
Days per year at Alfredo V. Bonfil with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1989.
Days at or above 30 C (86 F) per year at Alfredo V. Bonfil
YearDaysDecade average
1978193187
1979181187
1980193211.2
1981201211.2
1982197211.2
1983205211.2
1984210211.2
1985209211.2
1986233211.2
1987215211.2
1988209211.2
1989240211.2
1990227182.7
1991207182.7
1993232182.7
1994195182.7
1995199182.7
1996224182.7
1997128182.7
1998158182.7
199974182.7
200010182.6
20024682.6
20032882.6
200415282.6
20058682.6
20069082.6
20077582.6
20088382.6
20106185.3
20119785.3
20129885.3
First to last qualifying date each year at Alfredo V. Bonfil For each year, a bar from the first to the last day at Alfredo V. Bonfil meeting 30 C (86 F). 1978: 21 March 1978 to 24 November 19781979: 8 April 1979 to 27 November 19791980: 6 February 1980 to 4 December 19801981: 18 March 1981 to 21 December 19811982: 4 January 1982 to 16 November 19821983: 19 February 1983 to 25 December 19831984: 10 February 1984 to 13 November 19841985: 19 February 1985 to 9 December 19851986: 24 January 1986 to 19 November 19861987: 29 January 1987 to 5 December 19871988: 26 February 1988 to 24 November 19881989: 25 February 1989 to 13 December 19891990: 2 March 1990 to 19 November 19901991: 16 February 1991 to 2 December 19911993: 1 March 1993 to 24 November 19931994: 17 March 1994 to 26 November 19941995: 8 February 1995 to 7 December 19951996: 10 March 1996 to 30 November 19961997: 7 February 1997 to 31 October 19971998: 17 June 1998 to 30 November 19981999: 25 May 1999 to 19 October 19992000: 28 April 2000 to 8 November 20002002: 24 April 2002 to 8 October 20022003: 2 June 2003 to 16 September 20032004: 9 January 2004 to 12 December 20042005: 12 June 2005 to 31 October 20052006: 7 March 2006 to 7 November 20062007: 26 May 2007 to 10 October 20072008: 4 June 2008 to 1 November 20082010: 22 February 2010 to 2 October 20102011: 5 June 2011 to 31 October 20112012: 11 June 2012 to 30 November 201219781982198619901995199920042008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alfredo V. Bonfil meeting 30 C (86 F).
First to last qualifying date each year at Alfredo V. Bonfil
YearFirst dateLast date
19781978-03-211978-11-24
19791979-04-081979-11-27
19801980-02-061980-12-04
19811981-03-181981-12-21
19821982-01-041982-11-16
19831983-02-191983-12-25
19841984-02-101984-11-13
19851985-02-191985-12-09
19861986-01-241986-11-19
19871987-01-291987-12-05
19881988-02-261988-11-24
19891989-02-251989-12-13
19901990-03-021990-11-19
19911991-02-161991-12-02
19931993-03-011993-11-24
19941994-03-171994-11-26
19951995-02-081995-12-07
19961996-03-101996-11-30
19971997-02-071997-10-31
19981998-06-171998-11-30
19991999-05-251999-10-19
20002000-04-282000-11-08
20022002-04-242002-10-08
20032003-06-022003-09-16
20042004-01-092004-12-12
20052005-06-122005-10-31
20062006-03-072006-11-07
20072007-05-262007-10-10
20082008-06-042008-11-01
20102010-02-222010-10-02
20112011-06-052011-10-31
20122012-06-112012-11-30

Every Fixed Threshold

Fixed thresholds at Alfredo V. Bonfil
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32240198998
35 C (95 F): Days31141199635
40 C (104 F): Days13919832
90 F (32.2 C): Days32178198956
100 F (37.8 C): Days275219916
20 C (68 F): Tropical nights (min321861986138
25 C (77 F): Days with min3283199764
10 mm (0.39 in): Days with 10 mm or more rain311119838
25 mm (0.98 in): Days with 25 mm or more rain23420124
50 mm (1.97 in): Days with 50 mm or more rain12219981
100 mm (3.94 in): Days with 100 mm or more rain5119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Alfredo V. Bonfil 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).