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

Zanatepec Threshold Days by Year (MXN00020292)

13 fixed thresholds counted per year at Zanatepec (MXN00020292): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zanatepec Thresholds

  • Zanatepec: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1995 with 62.
  • Zanatepec: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1988 with 32.
  • Zanatepec: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1995 with 14.
  • Zanatepec: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 2001 with 365.
  • 13 fixed thresholds have at least one qualifying day at Zanatepec.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Zanatepec Days per year at Zanatepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 2001. 01002003004001978: 3561979: 3521980: 3611981: 3551982: 3631983: 3581984: 3501985: 3291986: 3531987: 3611988: 3371991: 3502001: 3652002: 3552003: 3482005: 3592006: 3572007: 3512008: 3152010: 3252011: 3261978198119841987200120052008
Days per year at Zanatepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 2001.
Days at or above 30 C (86 F) per year at Zanatepec
YearDaysDecade average
1978356354
1979352354
1980361351.9
1981355351.9
1982363351.9
1983358351.9
1984350351.9
1985329351.9
1986353351.9
1987361351.9
1988337351.9
1991350350
2001365350
2002355350
2003348350
2005359350
2006357350
2007351350
2008315350
2010325325.5
2011326325.5
First to last qualifying date each year at Zanatepec For each year, a bar from the first to the last day at Zanatepec meeting 30 C (86 F). 1978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 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 29 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 19871988: 1 January 1988 to 19 December 19881991: 1 January 1991 to 31 December 19912001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 16 December 20032005: 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 29 November 20082010: 1 January 2010 to 15 December 20102011: 1 January 2011 to 31 December 20111978198119841987200120052008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zanatepec meeting 30 C (86 F).
First to last qualifying date each year at Zanatepec
YearFirst dateLast date
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-29
19841984-01-011984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-19
19911991-01-011991-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-16
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-31
20082008-01-012008-11-29
20102010-01-012010-12-15
20112011-01-012011-12-31

Every Fixed Threshold

Fixed thresholds at Zanatepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days213652001326
35 C (95 F): Days212901982259
40 C (104 F): Days1851198222
90 F (32.2 C): Days213481982309
100 F (37.8 C): Days19149198299
110 F (43.3 C): Days3119791
20 C (68 F): Tropical nights (min212702002226
25 C (77 F): Days with min143019837
10 mm (0.39 in): Days with 10 mm or more rain2762199550
25 mm (0.98 in): Days with 25 mm or more rain2732198828
50 mm (1.97 in): Days with 50 mm or more rain271419958
100 mm (3.94 in): Days with 100 mm or more rain17319801
200 mm (7.87 in): Days with 200 mm or more rain7119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Zanatepec 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).