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Built 2026-10-19 (19 October 2026)

Acahuato Threshold Days by Year (MXN00016228)

10 fixed thresholds counted per year at Acahuato (MXN00016228): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Acahuato Thresholds

  • Acahuato: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1985 with 38.
  • Acahuato: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 2008 with 19.
  • Acahuato: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 2010 with 9.
  • Acahuato: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1999 with 267.
  • 10 fixed thresholds have at least one qualifying day at Acahuato.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Acahuato Days per year at Acahuato with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 267 in 1999. 01002003001981: 1121982: 1811983: 1071984: 1251985: 1621986: 1411987: 1581988: 1481989: 1431990: 1411991: 1861992: 1281993: 1511994: 1411996: 911997: 1371998: 1371999: 2672000: 1702001: 1942002: 1232003: 1252004: 1732005: 1922006: 1872007: 2042008: 1892009: 1952010: 1202011: 1511981198419871990199319972000200320062009
Days per year at Acahuato with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 267 in 1999.
Days at or above 30 C (86 F) per year at Acahuato
YearDaysDecade average
1981112141.9
1982181141.9
1983107141.9
1984125141.9
1985162141.9
1986141141.9
1987158141.9
1988148141.9
1989143141.9
1990141153.2
1991186153.2
1992128153.2
1993151153.2
1994141153.2
199691153.2
1997137153.2
1998137153.2
1999267153.2
2000170175.2
2001194175.2
2002123175.2
2003125175.2
2004173175.2
2005192175.2
2006187175.2
2007204175.2
2008189175.2
2009195175.2
2010120135.5
2011151135.5
First to last qualifying date each year at Acahuato For each year, a bar from the first to the last day at Acahuato meeting 30 C (86 F). 1981: 7 February 1981 to 2 August 19811982: 18 January 1982 to 21 November 19821983: 6 January 1983 to 24 December 19831984: 20 January 1984 to 28 December 19841985: 1 January 1985 to 17 December 19851986: 15 January 1986 to 18 December 19861987: 6 January 1987 to 25 December 19871988: 3 January 1988 to 15 December 19881989: 3 January 1989 to 29 November 19891990: 2 February 1990 to 31 December 19901991: 1 January 1991 to 30 December 19911992: 4 January 1992 to 30 December 19921993: 16 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941996: 21 February 1996 to 18 June 19961997: 14 February 1997 to 31 December 19971998: 1 January 1998 to 25 December 19981999: 2 January 1999 to 31 December 19992000: 1 January 2000 to 30 December 20002001: 1 January 2001 to 21 August 20012002: 6 February 2002 to 29 August 20022003: 8 February 2003 to 20 November 20032004: 9 February 2004 to 30 November 20042005: 5 January 2005 to 31 December 20052006: 15 January 2006 to 12 October 20062007: 17 January 2007 to 17 October 20072008: 25 January 2008 to 26 September 20082009: 9 February 2009 to 24 October 20092010: 17 March 2010 to 14 September 20102011: 14 February 2011 to 14 September 201119811985198919931998200220062010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Acahuato meeting 30 C (86 F).
First to last qualifying date each year at Acahuato
YearFirst dateLast date
19811981-02-071981-08-02
19821982-01-181982-11-21
19831983-01-061983-12-24
19841984-01-201984-12-28
19851985-01-011985-12-17
19861986-01-151986-12-18
19871987-01-061987-12-25
19881988-01-031988-12-15
19891989-01-031989-11-29
19901990-02-021990-12-31
19911991-01-011991-12-30
19921992-01-041992-12-30
19931993-01-161993-12-31
19941994-01-011994-12-31
19961996-02-211996-06-18
19971997-02-141997-12-31
19981998-01-011998-12-25
19991999-01-021999-12-31
20002000-01-012000-12-30
20012001-01-012001-08-21
20022002-02-062002-08-29
20032003-02-082003-11-20
20042004-02-092004-11-30
20052005-01-052005-12-31
20062006-01-152006-10-12
20072007-01-172007-10-17
20082008-01-252008-09-26
20092009-02-092009-10-24
20102010-03-172010-09-14
20112011-02-142011-09-14

Every Fixed Threshold

Fixed thresholds at Acahuato
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days302671999151
35 C (95 F): Days28103200754
40 C (104 F): Days61120071
90 F (32.2 C): Days30141200790
100 F (37.8 C): Days1052200718
20 C (68 F): Tropical nights (min239019981
10 mm (0.39 in): Days with 10 mm or more rain3138198526
25 mm (0.98 in): Days with 25 mm or more rain3119200814
50 mm (1.97 in): Days with 50 mm or more rain31920107
100 mm (3.94 in): Days with 100 mm or more rain6320103

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 Acahuato 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).