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

Tetelcingo Threshold Days by Year (MXN00017017)

9 fixed thresholds counted per year at Tetelcingo (MXN00017017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tetelcingo Thresholds

  • Tetelcingo: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1971 with 39.
  • Tetelcingo: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1967 with 11.
  • Tetelcingo: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1946 with 294.
  • Tetelcingo: days with a maximum temperature at or above 35 C (95 F) in 12 years, most in 1946 with 71.
  • 9 fixed thresholds have at least one qualifying day at Tetelcingo.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Tetelcingo Days per year at Tetelcingo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 294 in 1946. 01002003001944: 2561945: 2921946: 2941961: 2761962: 2641964: 1441965: 1341966: 1371967: 2061968: 1071971: 1781972: 181194419461962196519671971
Days per year at Tetelcingo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 294 in 1946.
Days at or above 30 C (86 F) per year at Tetelcingo
YearDaysDecade average
1944256280.7
1945292280.7
1946294280.7
1961276181.1
1962264181.1
1964144181.1
1965134181.1
1966137181.1
1967206181.1
1968107181.1
1971178179.5
1972181179.5
First to last qualifying date each year at Tetelcingo For each year, a bar from the first to the last day at Tetelcingo meeting 30 C (86 F). 1944: 2 January 1944 to 31 December 19441945: 1 January 1945 to 30 December 19451946: 6 January 1946 to 30 December 19461961: 2 January 1961 to 31 December 19611962: 1 January 1962 to 30 December 19621964: 22 January 1964 to 26 December 19641965: 3 January 1965 to 21 November 19651966: 8 February 1966 to 26 October 19661967: 3 February 1967 to 2 November 19671968: 6 April 1968 to 7 October 19681971: 3 January 1971 to 30 December 19711972: 1 January 1972 to 19 December 1972194419461962196519671971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tetelcingo meeting 30 C (86 F).
First to last qualifying date each year at Tetelcingo
YearFirst dateLast date
19441944-01-021944-12-31
19451945-01-011945-12-30
19461946-01-061946-12-30
19611961-01-021961-12-31
19621962-01-011962-12-30
19641964-01-221964-12-26
19651965-01-031965-11-21
19661966-02-081966-10-26
19671967-02-031967-11-02
19681968-04-061968-10-07
19711971-01-031971-12-30
19721972-01-011972-12-19

Every Fixed Threshold

Fixed thresholds at Tetelcingo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days122941946181
35 C (95 F): Days127119461
40 C (104 F): Days2719611
90 F (32.2 C): Days1215619461
100 F (37.8 C): Days71219612
20 C (68 F): Tropical nights (min167196167
10 mm (0.39 in): Days with 10 mm or more rain1739197129
25 mm (0.98 in): Days with 25 mm or more rain1611196711
50 mm (1.97 in): Days with 50 mm or more rain9319612

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Tetelcingo 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).