Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Zacualpan Threshold Days by Year (MXN00018043)

11 fixed thresholds counted per year at Zacualpan (MXN00018043): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zacualpan Thresholds

  • Zacualpan: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1966 with 46.
  • Zacualpan: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1966 with 28.
  • Zacualpan: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1971 with 12.
  • Zacualpan: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 1977 with 356.
  • 11 fixed thresholds have at least one qualifying day at Zacualpan.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Zacualpan Days per year at Zacualpan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 356 in 1977. 01002003004001971: 2041972: 2231973: 1911974: 2051976: 3071977: 3561978: 2071980: 2301981: 2641983: 2451984: 2171986: 2551987: 2481988: 2071989: 25119711973197619781981198419871989
Days per year at Zacualpan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 356 in 1977.
Days at or above 30 C (86 F) per year at Zacualpan
YearDaysDecade average
1971204241.9
1972223241.9
1973191241.9
1974205241.9
1976307241.9
1977356241.9
1978207241.9
1980230239.6
1981264239.6
1983245239.6
1984217239.6
1986255239.6
1987248239.6
1988207239.6
1989251239.6
First to last qualifying date each year at Zacualpan For each year, a bar from the first to the last day at Zacualpan meeting 30 C (86 F). 1971: 14 February 1971 to 25 December 19711972: 16 January 1972 to 27 December 19721973: 12 January 1973 to 10 December 19731974: 8 April 1974 to 25 December 19741976: 1 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 6 February 1978 to 29 November 19781980: 5 January 1980 to 31 December 19801981: 5 January 1981 to 23 December 19811983: 15 January 1983 to 31 December 19831984: 2 January 1984 to 30 December 19841986: 12 January 1986 to 31 December 19861987: 3 January 1987 to 23 December 19871988: 13 January 1988 to 31 December 19881989: 2 January 1989 to 30 December 198919711973197619781981198419871989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zacualpan meeting 30 C (86 F).
First to last qualifying date each year at Zacualpan
YearFirst dateLast date
19711971-02-141971-12-25
19721972-01-161972-12-27
19731973-01-121973-12-10
19741974-04-081974-12-25
19761976-01-011976-12-31
19771977-01-011977-12-31
19781978-02-061978-11-29
19801980-01-051980-12-31
19811981-01-051981-12-23
19831983-01-151983-12-31
19841984-01-021984-12-30
19861986-01-121986-12-31
19871987-01-031987-12-23
19881988-01-131988-12-31
19891989-01-021989-12-30

Every Fixed Threshold

Fixed thresholds at Zacualpan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days153561977251
35 C (95 F): Days15251197726
40 C (104 F): Days1819848
90 F (32.2 C): Days15299197799
100 F (37.8 C): Days113319761
20 C (68 F): Tropical nights (min152081972167
25 C (77 F): Days with min1555198316
10 mm (0.39 in): Days with 10 mm or more rain2046196627
25 mm (0.98 in): Days with 25 mm or more rain2028196615
50 mm (1.97 in): Days with 50 mm or more rain201219717
100 mm (3.94 in): Days with 100 mm or more rain13319641

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 Zacualpan 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).