Built 2026-10-19 (19 October 2026)

Santa Ana Tlacotenco Threshold Days by Year (MXN00009045)

7 fixed thresholds counted per year at Santa Ana Tlacotenco (MXN00009045): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santa Ana Tlacotenco Thresholds

  • Santa Ana Tlacotenco: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1992 with 37.
  • Santa Ana Tlacotenco: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1992 with 7.
  • Santa Ana Tlacotenco: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 1986 with 7.
  • Santa Ana Tlacotenco: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1976 with 2.
  • 7 fixed thresholds have at least one qualifying day at Santa Ana Tlacotenco.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Santa Ana Tlacotenco Days per year at Santa Ana Tlacotenco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2011. 0358101982: 11983: 21991: 12011: 102012: 419821983199120112012
Days per year at Santa Ana Tlacotenco with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2011.
Days at or above 30 C (86 F) per year at Santa Ana Tlacotenco
YearDaysDecade average
198211.5
198321.5
199111
2011107
201247
First to last qualifying date each year at Santa Ana Tlacotenco For each year, a bar from the first to the last day at Santa Ana Tlacotenco meeting 30 C (86 F). 1982: 4 June 1982 to 4 June 19821983: 2 May 1983 to 3 May 19831991: 17 March 1991 to 17 March 19912011: 29 March 2011 to 30 May 20112012: 1 May 2012 to 1 June 201219821983199120112012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santa Ana Tlacotenco meeting 30 C (86 F).
First to last qualifying date each year at Santa Ana Tlacotenco
YearFirst dateLast date
19821982-06-041982-06-04
19831983-05-021983-05-03
19911991-03-171991-03-17
20112011-03-292011-05-30
20122012-05-012012-06-01

Every Fixed Threshold

Fixed thresholds at Santa Ana Tlacotenco
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days51020114
35 C (95 F): Days1120111
90 F (32.2 C): Days1120111
0 C (32 F): Frost days (min10719861
10 mm (0.39 in): Days with 10 mm or more rain3337199225
25 mm (0.98 in): Days with 25 mm or more rain31719923
50 mm (1.97 in): Days with 50 mm or more rain8219761

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 Santa Ana Tlacotenco 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).