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

Tlalmanalco Threshold Days by Year (MXN00015280)

5 fixed thresholds counted per year at Tlalmanalco (MXN00015280): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tlalmanalco Thresholds

  • Tlalmanalco: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1985 with 39.
  • Tlalmanalco: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 2003 with 20.
  • Tlalmanalco: nights with a minimum temperature at or below 0 C (32 F) in 13 years, most in 2006 with 30.
  • Tlalmanalco: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1995 with 7.
  • 5 fixed thresholds have at least one qualifying day at Tlalmanalco.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Tlalmanalco Days per year at Tlalmanalco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 2003. 051015201982: 21985: 31986: 21991: 61995: 12000: 22002: 92003: 202005: 32006: 12008: 32009: 62011: 61982198619952002200520082011
Days per year at Tlalmanalco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 20 in 2003.
Days at or above 30 C (86 F) per year at Tlalmanalco
YearDaysDecade average
198222.3
198532.3
198622.3
199163.5
199513.5
200026.3
200296.3
2003206.3
200536.3
200616.3
200836.3
200966.3
201166
First to last qualifying date each year at Tlalmanalco For each year, a bar from the first to the last day at Tlalmanalco meeting 30 C (86 F). 1982: 5 April 1982 to 4 June 19821985: 17 May 1985 to 4 June 19851986: 12 May 1986 to 22 May 19861991: 8 March 1991 to 24 May 19911995: 22 April 1995 to 22 April 19952000: 20 April 2000 to 24 April 20002002: 21 April 2002 to 3 June 20022003: 9 March 2003 to 21 May 20032005: 22 April 2005 to 10 June 20052006: 18 April 2006 to 18 April 20062008: 31 March 2008 to 22 April 20082009: 7 May 2009 to 28 August 20092011: 9 April 2011 to 28 May 20111982198619952002200520082011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tlalmanalco meeting 30 C (86 F).
First to last qualifying date each year at Tlalmanalco
YearFirst dateLast date
19821982-04-051982-06-04
19851985-05-171985-06-04
19861986-05-121986-05-22
19911991-03-081991-05-24
19951995-04-221995-04-22
20002000-04-202000-04-24
20022002-04-212002-06-03
20032003-03-092003-05-21
20052005-04-222005-06-10
20062006-04-182006-04-18
20082008-03-312008-04-22
20092009-05-072009-08-28
20112011-04-092011-05-28

Every Fixed Threshold

Fixed thresholds at Tlalmanalco
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days132020036
0 C (32 F): Frost days (min1330200618
10 mm (0.39 in): Days with 10 mm or more rain1439198526
25 mm (0.98 in): Days with 25 mm or more rain13719954
50 mm (1.97 in): Days with 50 mm or more rain4119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Tlalmanalco 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).