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

Alcomunga Threshold Days by Year (MXN00021009)

10 fixed thresholds counted per year at Alcomunga (MXN00021009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alcomunga Thresholds

  • Alcomunga: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1988 with 159.
  • Alcomunga: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1988 with 69.
  • Alcomunga: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1958 with 18.
  • Alcomunga: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1976 with 78.
  • 10 fixed thresholds have at least one qualifying day at Alcomunga.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Alcomunga Days per year at Alcomunga with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 222 in 1959. 01002003001957: 1601958: 1531959: 2221960: 2101961: 911962: 31964: 41971: 11984: 12003: 52007: 42009: 1195719591961196419842007
Days per year at Alcomunga with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 222 in 1959.
Days at or above 30 C (86 F) per year at Alcomunga
YearDaysDecade average
1957160178.3
1958153178.3
1959222178.3
196021077
19619177
1962377
1964477
197111
198411
200353.3
200743.3
200913.3
First to last qualifying date each year at Alcomunga For each year, a bar from the first to the last day at Alcomunga meeting 30 C (86 F). 1957: 1 January 1957 to 19 December 19571958: 16 January 1958 to 30 December 19581959: 3 January 1959 to 28 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 19 October 19611962: 14 January 1962 to 24 July 19621964: 2 May 1964 to 31 May 19641971: 6 March 1971 to 6 March 19711984: 5 May 1984 to 5 May 19842003: 29 April 2003 to 10 May 20032007: 10 April 2007 to 9 May 20072009: 12 April 2009 to 12 April 2009195719591961196419842007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alcomunga meeting 30 C (86 F).
First to last qualifying date each year at Alcomunga
YearFirst dateLast date
19571957-01-011957-12-19
19581958-01-161958-12-30
19591959-01-031959-12-28
19601960-01-011960-12-31
19611961-01-011961-10-19
19621962-01-141962-07-24
19641964-05-021964-05-31
19711971-03-061971-03-06
19841984-05-051984-05-05
20032003-04-292003-05-10
20072007-04-102007-05-09
20092009-04-122009-04-12

Every Fixed Threshold

Fixed thresholds at Alcomunga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1222219591
35 C (95 F): Days52219586
90 F (32.2 C): Days556196017
100 F (37.8 C): Days2219582
0 C (32 F): Frost days (min2278197626
10 mm (0.39 in): Days with 10 mm or more rain39159198865
25 mm (0.98 in): Days with 25 mm or more rain3969198817
50 mm (1.97 in): Days with 50 mm or more rain371819588
100 mm (3.94 in): Days with 100 mm or more rain12320093
200 mm (7.87 in): Days with 200 mm or more rain1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Alcomunga 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).