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

Jalcocotan Threshold Days by Year (MXN00018017)

10 fixed thresholds counted per year at Jalcocotan (MXN00018017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jalcocotan Thresholds

  • Jalcocotan: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1966 with 50.
  • Jalcocotan: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1969 with 31.
  • Jalcocotan: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1969 with 18.
  • Jalcocotan: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1971 with 4.
  • 10 fixed thresholds have at least one qualifying day at Jalcocotan.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Jalcocotan Days per year at Jalcocotan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 295 in 1981. 01002003001971: 2461977: 2271980: 2201981: 2951982: 2701993: 143197119771980198119821993
Days per year at Jalcocotan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 295 in 1981.
Days at or above 30 C (86 F) per year at Jalcocotan
YearDaysDecade average
1971246236.5
1977227236.5
1980220261.7
1981295261.7
1982270261.7
1993143143
First to last qualifying date each year at Jalcocotan For each year, a bar from the first to the last day at Jalcocotan meeting 30 C (86 F). 1971: 1 January 1971 to 21 December 19711977: 3 February 1977 to 25 December 19771980: 1 January 1980 to 30 December 19801981: 11 January 1981 to 26 December 19811982: 7 January 1982 to 31 December 19821993: 1 March 1993 to 14 November 1993197119771980198119821993JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jalcocotan meeting 30 C (86 F).
First to last qualifying date each year at Jalcocotan
YearFirst dateLast date
19711971-01-011971-12-21
19771977-02-031977-12-25
19801980-01-011980-12-30
19811981-01-111981-12-26
19821982-01-071982-12-31
19931993-03-011993-11-14

Every Fixed Threshold

Fixed thresholds at Jalcocotan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days62951981143
35 C (95 F): Days629198216
90 F (32.2 C): Days6101198246
100 F (37.8 C): Days3219811
20 C (68 F): Tropical nights (min61281980101
25 C (77 F): Days with min3819801
10 mm (0.39 in): Days with 10 mm or more rain1450196641
25 mm (0.98 in): Days with 25 mm or more rain1431196913
50 mm (1.97 in): Days with 50 mm or more rain141819697
100 mm (3.94 in): Days with 100 mm or more rain9419711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Jalcocotan 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).