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

San Luis Ayucan Threshold Days by Year (MXN00015095)

5 fixed thresholds counted per year at San Luis Ayucan (MXN00015095): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Luis Ayucan Thresholds

  • San Luis Ayucan: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2003 with 77.
  • San Luis Ayucan: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 2003 with 20.
  • San Luis Ayucan: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1966 with 15.
  • San Luis Ayucan: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2003 with 4.
  • 5 fixed thresholds have at least one qualifying day at San Luis Ayucan.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at San Luis Ayucan Days per year at San Luis Ayucan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1998. 051015201978: 11983: 11987: 11998: 181999: 12003: 12005: 31978198319871998199920032005
Days per year at San Luis Ayucan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 1998.
Days at or above 30 C (86 F) per year at San Luis Ayucan
YearDaysDecade average
197811
198311
198711
1998189.5
199919.5
200312
200532
First to last qualifying date each year at San Luis Ayucan For each year, a bar from the first to the last day at San Luis Ayucan meeting 30 C (86 F). 1978: 8 May 1978 to 8 May 19781983: 2 May 1983 to 2 May 19831987: 18 February 1987 to 18 February 19871998: 4 April 1998 to 15 June 19981999: 9 April 1999 to 9 April 19992003: 27 March 2003 to 27 March 20032005: 29 March 2005 to 31 March 20051978198319871998199920032005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Luis Ayucan meeting 30 C (86 F).
First to last qualifying date each year at San Luis Ayucan
YearFirst dateLast date
19781978-05-081978-05-08
19831983-05-021983-05-02
19871987-02-181987-02-18
19981998-04-041998-06-15
19991999-04-091999-04-09
20032003-03-272003-03-27
20052005-03-292005-03-31

Every Fixed Threshold

Fixed thresholds at San Luis Ayucan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days71819983
0 C (32 F): Frost days (min351519663
10 mm (0.39 in): Days with 10 mm or more rain3977200348
25 mm (0.98 in): Days with 25 mm or more rain3920200315
50 mm (1.97 in): Days with 50 mm or more rain27420031

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 San Luis Ayucan 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).