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Built 2026-10-19 (19 October 2026)

Zacapoaxtla (Smn) Threshold Days by Year (MXN00021103)

10 fixed thresholds counted per year at Zacapoaxtla (Smn) (MXN00021103): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zacapoaxtla (Smn) Thresholds

  • Zacapoaxtla (Smn): days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1946 with 58.
  • Zacapoaxtla (Smn): days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1952 with 30.
  • Zacapoaxtla (Smn): days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1952 with 13.
  • Zacapoaxtla (Smn): days with 100 mm (3.94 in) or more of precipitation in 36 years, most in 1955 with 5.
  • 10 fixed thresholds have at least one qualifying day at Zacapoaxtla (Smn).
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Zacapoaxtla (Smn) Days per year at Zacapoaxtla (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1977. 0102030401964: 81967: 21969: 21970: 21971: 171972: 71973: 261974: 171975: 201976: 61977: 331978: 231979: 271980: 171981: 81982: 121983: 331984: 241985: 91986: 111987: 71988: 161990: 21991: 191993: 52000: 162001: 12005: 52007: 32008: 102009: 219641971197519791983198719932007
Days per year at Zacapoaxtla (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1977.
Days at or above 30 C (86 F) per year at Zacapoaxtla (Smn)
YearDaysDecade average
196484
196724
196924
1970217.8
19711717.8
1972717.8
19732617.8
19741717.8
19752017.8
1976617.8
19773317.8
19782317.8
19792717.8
19801715.2
1981815.2
19821215.2
19833315.2
19842415.2
1985915.2
19861115.2
1987715.2
19881615.2
199028.7
1991198.7
199358.7
2000166.2
200116.2
200556.2
200736.2
2008106.2
200926.2
First to last qualifying date each year at Zacapoaxtla (Smn) For each year, a bar from the first to the last day at Zacapoaxtla (Smn) meeting 30 C (86 F). 1964: 7 April 1964 to 6 May 19641967: 8 May 1967 to 31 May 19671969: 17 April 1969 to 6 May 19691970: 1 April 1970 to 27 April 19701971: 21 February 1971 to 24 May 19711972: 28 March 1972 to 23 May 19721973: 8 March 1973 to 28 May 19731974: 20 March 1974 to 31 December 19741975: 9 January 1975 to 8 May 19751976: 24 May 1976 to 31 December 19761977: 4 January 1977 to 30 December 19771978: 7 January 1978 to 29 December 19781979: 7 January 1979 to 28 December 19791980: 10 January 1980 to 24 May 19801981: 1 February 1981 to 22 December 19811982: 3 January 1982 to 24 December 19821983: 31 January 1983 to 28 December 19831984: 26 March 1984 to 21 October 19841985: 5 February 1985 to 1 November 19851986: 11 March 1986 to 23 November 19861987: 16 March 1987 to 26 March 19871988: 17 April 1988 to 4 June 19881990: 30 May 1990 to 31 May 19901991: 2 March 1991 to 7 June 19911993: 30 March 1993 to 19 April 19932000: 3 April 2000 to 24 May 20002001: 2 April 2001 to 2 April 20012005: 29 March 2005 to 30 April 20052007: 5 May 2007 to 1 August 20072008: 17 March 2008 to 12 April 20082009: 4 April 2009 to 12 April 200919641971197519791983198719932007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zacapoaxtla (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Zacapoaxtla (Smn)
YearFirst dateLast date
19641964-04-071964-05-06
19671967-05-081967-05-31
19691969-04-171969-05-06
19701970-04-011970-04-27
19711971-02-211971-05-24
19721972-03-281972-05-23
19731973-03-081973-05-28
19741974-03-201974-12-31
19751975-01-091975-05-08
19761976-05-241976-12-31
19771977-01-041977-12-30
19781978-01-071978-12-29
19791979-01-071979-12-28
19801980-01-101980-05-24
19811981-02-011981-12-22
19821982-01-031982-12-24
19831983-01-311983-12-28
19841984-03-261984-10-21
19851985-02-051985-11-01
19861986-03-111986-11-23
19871987-03-161987-03-26
19881988-04-171988-06-04
19901990-05-301990-05-31
19911991-03-021991-06-07
19931993-03-301993-04-19
20002000-04-032000-05-24
20012001-04-022001-04-02
20052005-03-292005-04-30
20072007-05-052007-08-01
20082008-03-172008-04-12
20092009-04-042009-04-12

Every Fixed Threshold

Fixed thresholds at Zacapoaxtla (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days313319772
35 C (95 F): Days2119731
90 F (32.2 C): Days171119831
0 C (32 F): Frost days (min311120022
20 C (68 F): Tropical nights (min6219761
10 mm (0.39 in): Days with 10 mm or more rain5458194635
25 mm (0.98 in): Days with 25 mm or more rain5430195215
50 mm (1.97 in): Days with 50 mm or more rain521319527
100 mm (3.94 in): Days with 100 mm or more rain36519552
200 mm (7.87 in): Days with 200 mm or more rain7219541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Zacapoaxtla (Smn) 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).