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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ayutla Threshold Days by Year (MXN00012107)

12 fixed thresholds counted per year at Ayutla (MXN00012107): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ayutla Thresholds

  • Ayutla: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1961 with 69.
  • Ayutla: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1998 with 40.
  • Ayutla: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1966 with 20.
  • Ayutla: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 2009 with 359.
  • 12 fixed thresholds have at least one qualifying day at Ayutla.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Ayutla Days per year at Ayutla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 359 in 2009. 01002003004001958: 2961959: 3141960: 3461961: 3371962: 3141963: 3031964: 2791965: 3231966: 3361967: 2861968: 2911969: 2801970: 2901971: 2441972: 3531973: 3141974: 2951975: 2981976: 3001980: 3051981: 3091982: 3501983: 3201984: 3161985: 3271986: 3401987: 3431990: 1951991: 2881992: 1921993: 1441997: 2821998: 2551999: 2662001: 2782002: 2682003: 2782004: 3382005: 3472006: 3402007: 3462008: 3482009: 3592010: 3352011: 3372012: 3281958196319681973198119861993200220072012
Days per year at Ayutla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 359 in 2009.
Days at or above 30 C (86 F) per year at Ayutla
YearDaysDecade average
1958296305
1959314305
1960346309.5
1961337309.5
1962314309.5
1963303309.5
1964279309.5
1965323309.5
1966336309.5
1967286309.5
1968291309.5
1969280309.5
1970290299.1
1971244299.1
1972353299.1
1973314299.1
1974295299.1
1975298299.1
1976300299.1
1980305326.3
1981309326.3
1982350326.3
1983320326.3
1984316326.3
1985327326.3
1986340326.3
1987343326.3
1990195231.7
1991288231.7
1992192231.7
1993144231.7
1997282231.7
1998255231.7
1999266231.7
2001278322.4
2002268322.4
2003278322.4
2004338322.4
2005347322.4
2006340322.4
2007346322.4
2008348322.4
2009359322.4
2010335333.3
2011337333.3
2012328333.3
First to last qualifying date each year at Ayutla For each year, a bar from the first to the last day at Ayutla meeting 30 C (86 F). 1958: 1 February 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611962: 1 January 1962 to 31 December 19621963: 1 January 1963 to 27 December 19631964: 8 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 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 29 December 19731974: 3 January 1974 to 31 December 19741975: 2 January 1975 to 31 December 19751976: 1 January 1976 to 31 December 19761980: 1 January 1980 to 31 December 19801981: 1 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 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871990: 18 January 1990 to 28 December 19901991: 1 January 1991 to 27 December 19911992: 1 January 1992 to 31 December 19921993: 17 February 1993 to 14 November 19931997: 1 January 1997 to 31 December 19971998: 2 January 1998 to 30 December 19981999: 1 January 1999 to 31 December 19992001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 12 December 20032004: 2 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 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 30 November 201219581964197019761985199320032009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ayutla meeting 30 C (86 F).
First to last qualifying date each year at Ayutla
YearFirst dateLast date
19581958-02-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-011963-12-27
19641964-01-081964-12-31
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
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-29
19741974-01-031974-12-31
19751975-01-021975-12-31
19761976-01-011976-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19901990-01-181990-12-28
19911991-01-011991-12-27
19921992-01-011992-12-31
19931993-02-171993-11-14
19971997-01-011997-12-31
19981998-01-021998-12-30
19991999-01-011999-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-12
20042004-01-022004-12-31
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
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-11-30

Every Fixed Threshold

Fixed thresholds at Ayutla
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days463592009328
35 C (95 F): Days432922009243
40 C (104 F): Days71920114
90 F (32.2 C): Days463432009304
100 F (37.8 C): Days22132201169
20 C (68 F): Tropical nights (min433561972328
25 C (77 F): Days with min2338201130
10 mm (0.39 in): Days with 10 mm or more rain5269196140
25 mm (0.98 in): Days with 25 mm or more rain5240199823
50 mm (1.97 in): Days with 50 mm or more rain502019669
100 mm (3.94 in): Days with 100 mm or more rain34519604
200 mm (7.87 in): Days with 200 mm or more rain5219921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Ayutla 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).