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

Acatlan Threshold Days by Year (MXN00030338)

7 fixed thresholds counted per year at Acatlan (MXN00030338): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Acatlan Thresholds

  • Acatlan: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1981 with 56.
  • Acatlan: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1980 with 24.
  • Acatlan: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1981 with 8.
  • Acatlan: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1998 with 37.
  • 7 fixed thresholds have at least one qualifying day at Acatlan.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Acatlan Days per year at Acatlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1998. 0102030401982: 21983: 51984: 61988: 11991: 71993: 21998: 372005: 22006: 22010: 12011: 2198219841991199820062011
Days per year at Acatlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 1998.
Days at or above 30 C (86 F) per year at Acatlan
YearDaysDecade average
198223.5
198353.5
198463.5
198813.5
1991715.3
1993215.3
19983715.3
200522
200622
201011.5
201121.5
First to last qualifying date each year at Acatlan For each year, a bar from the first to the last day at Acatlan meeting 30 C (86 F). 1982: 5 April 1982 to 16 April 19821983: 19 April 1983 to 18 May 19831984: 21 April 1984 to 3 May 19841988: 22 April 1988 to 22 April 19881991: 6 March 1991 to 27 April 19911993: 5 November 1993 to 14 November 19931998: 7 March 1998 to 16 June 19982005: 13 April 2005 to 4 June 20052006: 19 April 2006 to 10 May 20062010: 1 May 2010 to 1 May 20102011: 27 April 2011 to 21 May 2011198219841991199820062011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Acatlan meeting 30 C (86 F).
First to last qualifying date each year at Acatlan
YearFirst dateLast date
19821982-04-051982-04-16
19831983-04-191983-05-18
19841984-04-211984-05-03
19881988-04-221988-04-22
19911991-03-061991-04-27
19931993-11-051993-11-14
19981998-03-071998-06-16
20052005-04-132005-06-04
20062006-04-192006-05-10
20102010-05-012010-05-01
20112011-04-272011-05-21

Every Fixed Threshold

Fixed thresholds at Acatlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days113719982
90 F (32.2 C): Days1819988
0 C (32 F): Frost days (min7619891
10 mm (0.39 in): Days with 10 mm or more rain3056198134
25 mm (0.98 in): Days with 25 mm or more rain3024198015
50 mm (1.97 in): Days with 50 mm or more rain26819815
100 mm (3.94 in): Days with 100 mm or more rain7219801

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 Acatlan 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).