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

Acihuatl Threshold Days by Year (MXN00014007)

9 fixed thresholds counted per year at Acihuatl (MXN00014007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Acihuatl Thresholds

  • Acihuatl: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1983 with 61.
  • Acihuatl: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1981 with 27.
  • Acihuatl: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1981 with 10.
  • Acihuatl: nights with a minimum temperature at or above 20 C (68 F) in 8 years, most in 1977 with 75.
  • 9 fixed thresholds have at least one qualifying day at Acihuatl.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Acihuatl Days per year at Acihuatl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1984. 01002003004001977: 3191980: 3171981: 3201982: 3541983: 3541984: 3601986: 3591977198019811982198319841986
Days per year at Acihuatl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 360 in 1984.
Days at or above 30 C (86 F) per year at Acihuatl
YearDaysDecade average
1977319319
1980317344
1981320344
1982354344
1983354344
1984360344
1986359344
First to last qualifying date each year at Acihuatl For each year, a bar from the first to the last day at Acihuatl meeting 30 C (86 F). 1977: 5 January 1977 to 31 December 19771980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 3 January 1983 to 31 December 19831984: 1 January 1984 to 30 December 19841986: 1 January 1986 to 31 December 19861977198019811982198319841986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Acihuatl meeting 30 C (86 F).
First to last qualifying date each year at Acihuatl
YearFirst dateLast date
19771977-01-051977-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-031983-12-31
19841984-01-011984-12-30
19861986-01-011986-12-31

Every Fixed Threshold

Fixed thresholds at Acihuatl
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days73601984359
35 C (95 F): Days72501982239
40 C (104 F): Days742198237
90 F (32.2 C): Days73241986324
100 F (37.8 C): Days795198282
20 C (68 F): Tropical nights (min875197719
10 mm (0.39 in): Days with 10 mm or more rain1061198353
25 mm (0.98 in): Days with 25 mm or more rain1027198124
50 mm (1.97 in): Days with 50 mm or more rain101019817

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Acihuatl 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).