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

Zapotitlan Threshold Days by Year (MXN00014352)

8 fixed thresholds counted per year at Zapotitlan (MXN00014352): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zapotitlan Thresholds

  • Zapotitlan: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1955 with 35.
  • Zapotitlan: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1951 with 13.
  • Zapotitlan: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1951 with 3.
  • Zapotitlan: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1983 with 2.
  • 8 fixed thresholds have at least one qualifying day at Zapotitlan.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zapotitlan Days per year at Zapotitlan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1955. 0102030401949: 211950: 311951: 261952: 221953: 221955: 351959: 231960: 181962: 11965: 21966: 21967: 31968: 161969: 291970: 251971: 171972: 201973: 221974: 211975: 241976: 251977: 121978: 111979: 141981: 171983: 171984: 251985: 161949195219591965196819711974197719811985
Days per year at Zapotitlan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1955.
Days with 10 mm (0.39 in) or more of precipitation per year at Zapotitlan
YearDaysDecade average
19492121
19503126.5
19512626.5
19522226.5
19532226.5
19553526.5
19592326.5
19601810.1
1962110.1
1965210.1
1966210.1
1967310.1
19681610.1
19692910.1
19702519.1
19711719.1
19722019.1
19732219.1
19742119.1
19752419.1
19762519.1
19771219.1
19781119.1
19791419.1
19811718.8
19831718.8
19842518.8
19851618.8
First to last qualifying date each year at Zapotitlan For each year, a bar from the first to the last day at Zapotitlan meeting 10 mm (0.39 in). 1949: 15 June 1949 to 5 October 19491950: 16 February 1950 to 13 October 19501951: 17 March 1951 to 27 October 19511952: 31 January 1952 to 4 November 19521953: 9 June 1953 to 10 December 19531955: 1 July 1955 to 15 October 19551959: 6 January 1959 to 26 October 19591960: 13 June 1960 to 10 December 19601962: 13 April 1962 to 13 April 19621965: 19 September 1965 to 22 September 19651966: 21 June 1966 to 24 June 19661967: 12 January 1967 to 2 September 19671968: 4 March 1968 to 20 December 19681969: 22 June 1969 to 24 October 19691970: 3 May 1970 to 3 November 19701971: 4 June 1971 to 5 October 19711972: 26 May 1972 to 10 September 19721973: 1 January 1973 to 18 October 19731974: 24 February 1974 to 21 November 19741975: 3 June 1975 to 18 October 19751976: 25 June 1976 to 22 December 19761977: 16 June 1977 to 16 November 19771978: 15 March 1978 to 6 October 19781979: 27 June 1979 to 28 October 19791981: 17 January 1981 to 2 November 19811983: 26 May 1983 to 2 November 19831984: 8 May 1984 to 13 December 19841985: 6 June 1985 to 20 October 19851949195319621968197219761981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zapotitlan meeting 10 mm (0.39 in).
First to last qualifying date each year at Zapotitlan
YearFirst dateLast date
19491949-06-151949-10-05
19501950-02-161950-10-13
19511951-03-171951-10-27
19521952-01-311952-11-04
19531953-06-091953-12-10
19551955-07-011955-10-15
19591959-01-061959-10-26
19601960-06-131960-12-10
19621962-04-131962-04-13
19651965-09-191965-09-22
19661966-06-211966-06-24
19671967-01-121967-09-02
19681968-03-041968-12-20
19691969-06-221969-10-24
19701970-05-031970-11-03
19711971-06-041971-10-05
19721972-05-261972-09-10
19731973-01-011973-10-18
19741974-02-241974-11-21
19751975-06-031975-10-18
19761976-06-251976-12-22
19771977-06-161977-11-16
19781978-03-151978-10-06
19791979-06-271979-10-28
19811981-01-171981-11-02
19831983-05-261983-11-02
19841984-05-081984-12-13
19851985-06-061985-10-20

Every Fixed Threshold

Fixed thresholds at Zapotitlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21511985151
35 C (95 F): Days2519855
90 F (32.2 C): Days269198569
20 C (68 F): Tropical nights (min22019832
10 mm (0.39 in): Days with 10 mm or more rain2835195516
25 mm (0.98 in): Days with 25 mm or more rain261319512
50 mm (1.97 in): Days with 50 mm or more rain17319513
100 mm (3.94 in): Days with 100 mm or more rain6219832

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Zapotitlan 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).