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

Zacualpan Threshold Days by Year (MXN00012191)

10 fixed thresholds counted per year at Zacualpan (MXN00012191): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zacualpan Thresholds

  • Zacualpan: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2010 with 47.
  • Zacualpan: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 2010 with 27.
  • Zacualpan: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1984 with 10.
  • Zacualpan: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 1985 with 365.
  • 10 fixed thresholds have at least one qualifying day at Zacualpan.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Zacualpan Days per year at Zacualpan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1985. 01002003004001979: 3371981: 3401983: 3611984: 3261985: 3651986: 3602001: 3232010: 3422011: 3642012: 3341979198119831984198519862001201020112012
Days per year at Zacualpan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1985.
Days at or above 30 C (86 F) per year at Zacualpan
YearDaysDecade average
1979337337
1981340350.4
1983361350.4
1984326350.4
1985365350.4
1986360350.4
2001323323
2010342346.7
2011364346.7
2012334346.7
First to last qualifying date each year at Zacualpan For each year, a bar from the first to the last day at Zacualpan meeting 30 C (86 F). 1979: 17 January 1979 to 31 December 19791981: 1 January 1981 to 31 December 19811983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 30 November 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19862001: 1 January 2001 to 27 December 20012010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 30 November 201219791983198520012011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zacualpan meeting 30 C (86 F).
First to last qualifying date each year at Zacualpan
YearFirst dateLast date
19791979-01-171979-12-31
19811981-01-011981-12-31
19831983-01-011983-12-31
19841984-01-011984-11-30
19851985-01-011985-12-31
19861986-01-011986-12-31
20012001-01-012001-12-27
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-11-30

Every Fixed Threshold

Fixed thresholds at Zacualpan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days103651985334
35 C (95 F): Days786201286
90 F (32.2 C): Days102762010240
20 C (68 F): Tropical nights (min83651983309
25 C (77 F): Days with min568201268
10 mm (0.39 in): Days with 10 mm or more rain2947201027
25 mm (0.98 in): Days with 25 mm or more rain2927201011
50 mm (1.97 in): Days with 50 mm or more rain291019843
100 mm (3.94 in): Days with 100 mm or more rain9619841
200 mm (7.87 in): Days with 200 mm or more rain1119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Zacualpan 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).