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

Ahualulco Threshold Days by Year (MXN00028002)

15 fixed thresholds counted per year at Ahualulco (MXN00028002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ahualulco Thresholds

  • Ahualulco: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1984 with 58.
  • Ahualulco: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1973 with 26.
  • Ahualulco: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 2008 with 17.
  • Ahualulco: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 2011 with 284.
  • 15 fixed thresholds have at least one qualifying day at Ahualulco.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Ahualulco Days per year at Ahualulco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 2011. 01002003001961: 2361962: 2521963: 2521964: 2591965: 2471966: 2021967: 2151968: 2161969: 2351970: 2271971: 2771972: 2651973: 2491974: 2491975: 2661976: 2241977: 2371978: 2291979: 2421980: 2371981: 2331982: 2431983: 2331984: 2281985: 2481986: 2401987: 2351988: 2411989: 2551990: 2361991: 2341992: 2091993: 2451994: 2301995: 2591996: 2501997: 2311998: 2541999: 2652000: 2382003: 2232004: 2172005: 2552006: 2702007: 2272008: 2652009: 2572010: 2462011: 2842012: 2751961196619711976198119861991199620032008
Days per year at Ahualulco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 2011.
Days at or above 30 C (86 F) per year at Ahualulco
YearDaysDecade average
1961236234.9
1962252234.9
1963252234.9
1964259234.9
1965247234.9
1966202234.9
1967215234.9
1968216234.9
1969235234.9
1970227246.5
1971277246.5
1972265246.5
1973249246.5
1974249246.5
1975266246.5
1976224246.5
1977237246.5
1978229246.5
1979242246.5
1980237239.3
1981233239.3
1982243239.3
1983233239.3
1984228239.3
1985248239.3
1986240239.3
1987235239.3
1988241239.3
1989255239.3
1990236241.3
1991234241.3
1992209241.3
1993245241.3
1994230241.3
1995259241.3
1996250241.3
1997231241.3
1998254241.3
1999265241.3
2000238244
2003223244
2004217244
2005255244
2006270244
2007227244
2008265244
2009257244
2010246268.3
2011284268.3
2012275268.3
First to last qualifying date each year at Ahualulco For each year, a bar from the first to the last day at Ahualulco meeting 30 C (86 F). 1961: 14 February 1961 to 27 December 19611962: 21 January 1962 to 26 November 19621963: 10 January 1963 to 11 December 19631964: 8 January 1964 to 30 December 19641965: 2 January 1965 to 23 December 19651966: 9 February 1966 to 9 December 19661967: 11 February 1967 to 1 December 19671968: 21 February 1968 to 27 December 19681969: 21 January 1969 to 25 December 19691970: 11 January 1970 to 29 December 19701971: 2 January 1971 to 29 December 19711972: 8 January 1972 to 31 December 19721973: 4 January 1973 to 31 December 19731974: 3 January 1974 to 14 December 19741975: 8 January 1975 to 15 December 19751976: 1 January 1976 to 28 December 19761977: 28 January 1977 to 26 December 19771978: 16 January 1978 to 7 December 19781979: 13 January 1979 to 23 December 19791980: 11 January 1980 to 17 December 19801981: 9 February 1981 to 28 December 19811982: 2 January 1982 to 24 December 19821983: 31 January 1983 to 16 December 19831984: 15 February 1984 to 24 December 19841985: 30 January 1985 to 31 December 19851986: 25 January 1986 to 28 November 19861987: 4 February 1987 to 25 December 19871988: 17 January 1988 to 27 December 19881989: 2 January 1989 to 28 November 19891990: 11 January 1990 to 22 December 19901991: 27 January 1991 to 1 December 19911992: 24 February 1992 to 31 December 19921993: 4 January 1993 to 13 December 19931994: 27 January 1994 to 15 December 19941995: 6 January 1995 to 17 December 19951996: 11 January 1996 to 30 December 19961997: 3 January 1997 to 9 December 19971998: 6 January 1998 to 29 December 19981999: 17 January 1999 to 11 December 19992000: 3 January 2000 to 12 November 20002003: 3 February 2003 to 27 November 20032004: 17 January 2004 to 22 December 20042005: 2 January 2005 to 31 December 20052006: 1 January 2006 to 29 December 20062007: 12 February 2007 to 31 December 20072008: 7 January 2008 to 31 December 20082009: 4 January 2009 to 14 December 20092010: 20 January 2010 to 31 December 20102011: 4 January 2011 to 31 December 20112012: 1 January 2012 to 28 December 201219611968197519821989199620052012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ahualulco meeting 30 C (86 F).
First to last qualifying date each year at Ahualulco
YearFirst dateLast date
19611961-02-141961-12-27
19621962-01-211962-11-26
19631963-01-101963-12-11
19641964-01-081964-12-30
19651965-01-021965-12-23
19661966-02-091966-12-09
19671967-02-111967-12-01
19681968-02-211968-12-27
19691969-01-211969-12-25
19701970-01-111970-12-29
19711971-01-021971-12-29
19721972-01-081972-12-31
19731973-01-041973-12-31
19741974-01-031974-12-14
19751975-01-081975-12-15
19761976-01-011976-12-28
19771977-01-281977-12-26
19781978-01-161978-12-07
19791979-01-131979-12-23
19801980-01-111980-12-17
19811981-02-091981-12-28
19821982-01-021982-12-24
19831983-01-311983-12-16
19841984-02-151984-12-24
19851985-01-301985-12-31
19861986-01-251986-11-28
19871987-02-041987-12-25
19881988-01-171988-12-27
19891989-01-021989-11-28
19901990-01-111990-12-22
19911991-01-271991-12-01
19921992-02-241992-12-31
19931993-01-041993-12-13
19941994-01-271994-12-15
19951995-01-061995-12-17
19961996-01-111996-12-30
19971997-01-031997-12-09
19981998-01-061998-12-29
19991999-01-171999-12-11
20002000-01-032000-11-12
20032003-02-032003-11-27
20042004-01-172004-12-22
20052005-01-022005-12-31
20062006-01-012006-12-29
20072007-02-122007-12-31
20082008-01-072008-12-31
20092009-01-042009-12-14
20102010-01-202010-12-31
20112011-01-042011-12-31
20122012-01-012012-12-28

Every Fixed Threshold

Fixed thresholds at Ahualulco
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days502842011275
35 C (95 F): Days501682011149
40 C (104 F): Days4551201251
45 C (113 F): Days9319841
90 F (32.2 C): Days502432011213
100 F (37.8 C): Days5083201283
110 F (43.3 C): Days16420114
0 C (32 F): Frost days (min9319623
20 C (68 F): Tropical nights (min502102006134
25 C (77 F): Days with min504519982
10 mm (0.39 in): Days with 10 mm or more rain5258198419
25 mm (0.98 in): Days with 25 mm or more rain522619737
50 mm (1.97 in): Days with 50 mm or more rain521720083
100 mm (3.94 in): Days with 100 mm or more rain42519761
200 mm (7.87 in): Days with 200 mm or more rain10219761

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Ahualulco 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).