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Built 2026-10-19 (19 October 2026)

Acala Threshold Days by Year (MXN00007003)

13 fixed thresholds counted per year at Acala (MXN00007003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Acala Thresholds

  • Acala: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1995 with 41.
  • Acala: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1984 with 20.
  • Acala: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1976 with 8.
  • Acala: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1969 with 358.
  • 13 fixed thresholds have at least one qualifying day at Acala.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Acala Days per year at Acala with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1969. 01002003004001963: 3221964: 3271965: 3451966: 3501967: 3521968: 3521969: 3581970: 3471972: 3531973: 3481974: 3171975: 2441976: 671983: 3531984: 2911985: 3271986: 3551987: 3221988: 3151989: 3061990: 3211991: 3381992: 3301993: 3261994: 3331995: 3221996: 3321997: 2851998: 2801999: 2762000: 3012001: 2962007: 3142008: 2862009: 324196319671972197619861990199419982007
Days per year at Acala with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1969.
Days at or above 30 C (86 F) per year at Acala
YearDaysDecade average
1963322343.7
1964327343.7
1965345343.7
1966350343.7
1967352343.7
1968352343.7
1969358343.7
1970347279.3
1972353279.3
1973348279.3
1974317279.3
1975244279.3
197667279.3
1983353324.1
1984291324.1
1985327324.1
1986355324.1
1987322324.1
1988315324.1
1989306324.1
1990321314.3
1991338314.3
1992330314.3
1993326314.3
1994333314.3
1995322314.3
1996332314.3
1997285314.3
1998280314.3
1999276314.3
2000301304.2
2001296304.2
2007314304.2
2008286304.2
2009324304.2
First to last qualifying date each year at Acala For each year, a bar from the first to the last day at Acala meeting 30 C (86 F). 1963: 1 January 1963 to 24 December 19631964: 3 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 1 January 1974 to 31 December 19741975: 1 January 1975 to 25 December 19751976: 24 January 1976 to 28 December 19761983: 1 January 1983 to 31 December 19831984: 7 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 2 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921993: 3 January 1993 to 30 December 19931994: 1 January 1994 to 31 December 19941995: 2 January 1995 to 24 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 27 December 19971998: 1 February 1998 to 1 December 19981999: 2 January 1999 to 2 November 19992000: 4 January 2000 to 27 December 20002001: 8 January 2001 to 25 December 20012007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 2 January 2009 to 31 December 20091963196819741985199019952000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Acala meeting 30 C (86 F).
First to last qualifying date each year at Acala
YearFirst dateLast date
19631963-01-011963-12-24
19641964-01-031964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-011974-12-31
19751975-01-011975-12-25
19761976-01-241976-12-28
19831983-01-011983-12-31
19841984-01-071984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
19901990-01-021990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19931993-01-031993-12-30
19941994-01-011994-12-31
19951995-01-021995-12-24
19961996-01-011996-12-31
19971997-01-011997-12-27
19981998-02-011998-12-01
19991999-01-021999-11-02
20002000-01-042000-12-27
20012001-01-082001-12-25
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-022009-12-31

Every Fixed Threshold

Fixed thresholds at Acala
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days353581969324
35 C (95 F): Days352311972174
40 C (104 F): Days3075197347
45 C (113 F): Days2220092
90 F (32.2 C): Days353331969258
100 F (37.8 C): Days3599197592
110 F (43.3 C): Days5820098
20 C (68 F): Tropical nights (min352091990123
25 C (77 F): Days with min9419761
10 mm (0.39 in): Days with 10 mm or more rain4141199525
25 mm (0.98 in): Days with 25 mm or more rain412019848
50 mm (1.97 in): Days with 50 mm or more rain39819762
100 mm (3.94 in): Days with 100 mm or more rain8319761

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Acala 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).