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Built 2026-10-19 (19 October 2026)

San Mateo Tecoloapan Threshold Days by Year (MXN00015100)

3 fixed thresholds counted per year at San Mateo Tecoloapan (MXN00015100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Mateo Tecoloapan Thresholds

  • San Mateo Tecoloapan: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1976 with 37.
  • San Mateo Tecoloapan: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1978 with 8.
  • San Mateo Tecoloapan: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1970 with 2.
  • 3 fixed thresholds have at least one qualifying day at San Mateo Tecoloapan.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at San Mateo Tecoloapan Days per year at San Mateo Tecoloapan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1976. 0102030401969: 191970: 231971: 211972: 261973: 221974: 181975: 291976: 371977: 221978: 291979: 291980: 261981: 291982: 201983: 291984: 241985: 231986: 232001: 32002: 32003: 12011: 319691972197519781981198420012011
Days per year at San Mateo Tecoloapan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1976.
Days with 10 mm (0.39 in) or more of precipitation per year at San Mateo Tecoloapan
YearDaysDecade average
19691919
19702325.6
19712125.6
19722625.6
19732225.6
19741825.6
19752925.6
19763725.6
19772225.6
19782925.6
19792925.6
19802624.9
19812924.9
19822024.9
19832924.9
19842424.9
19852324.9
19862324.9
200132.3
200232.3
200312.3
201133
First to last qualifying date each year at San Mateo Tecoloapan For each year, a bar from the first to the last day at San Mateo Tecoloapan meeting 10 mm (0.39 in). 1969: 4 January 1969 to 8 September 19691970: 1 June 1970 to 27 September 19701971: 20 March 1971 to 8 November 19711972: 23 May 1972 to 23 October 19721973: 12 May 1973 to 30 October 19731974: 25 May 1974 to 19 October 19741975: 21 January 1975 to 5 October 19751976: 24 April 1976 to 21 November 19761977: 13 May 1977 to 28 October 19771978: 16 March 1978 to 9 December 19781979: 11 February 1979 to 18 September 19791980: 25 January 1980 to 26 September 19801981: 17 January 1981 to 12 October 19811982: 1 March 1982 to 13 October 19821983: 18 January 1983 to 24 October 19831984: 3 June 1984 to 20 September 19841985: 16 April 1985 to 19 October 19851986: 26 May 1986 to 6 October 19862001: 26 August 2001 to 29 August 20012002: 10 September 2002 to 14 September 20022003: 3 June 2003 to 3 June 20032011: 2 July 2011 to 26 November 201119691972197519781981198420012011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Mateo Tecoloapan meeting 10 mm (0.39 in).
First to last qualifying date each year at San Mateo Tecoloapan
YearFirst dateLast date
19691969-01-041969-09-08
19701970-06-011970-09-27
19711971-03-201971-11-08
19721972-05-231972-10-23
19731973-05-121973-10-30
19741974-05-251974-10-19
19751975-01-211975-10-05
19761976-04-241976-11-21
19771977-05-131977-10-28
19781978-03-161978-12-09
19791979-02-111979-09-18
19801980-01-251980-09-26
19811981-01-171981-10-12
19821982-03-011982-10-13
19831983-01-181983-10-24
19841984-06-031984-09-20
19851985-04-161985-10-19
19861986-05-261986-10-06
20012001-08-262001-08-29
20022002-09-102002-09-14
20032003-06-032003-06-03
20112011-07-022011-11-26

Every Fixed Threshold

Fixed thresholds at San Mateo Tecoloapan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain223719763
25 mm (0.98 in): Days with 25 mm or more rain19819781
50 mm (1.97 in): Days with 50 mm or more rain6219701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for San Mateo Tecoloapan 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).