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Built 2026-10-19 (19 October 2026)

Tapanatepec Threshold Days by Year (MXN00020148)

13 fixed thresholds counted per year at Tapanatepec (MXN00020148): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tapanatepec Thresholds

  • Tapanatepec: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1968 with 59.
  • Tapanatepec: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1970 with 33.
  • Tapanatepec: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1988 with 19.
  • Tapanatepec: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1965 with 365.
  • 13 fixed thresholds have at least one qualifying day at Tapanatepec.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Tapanatepec Days per year at Tapanatepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1965. 01002003004001961: 3051962: 781963: 3641964: 3561965: 3651968: 3381969: 3541970: 3391971: 3541972: 3561973: 3351974: 3421975: 3561976: 3481977: 3611978: 3601979: 3361980: 3601981: 3491982: 3591983: 3601984: 3401985: 3191986: 3501987: 3611988: 3401991: 3611992: 3641993: 3451994: 3331996: 3541997: 3442000: 3582001: 3202002: 3182003: 3592004: 3632005: 3292007: 3101961196519711975197919831987199320002004
Days per year at Tapanatepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 365 in 1965.
Days at or above 30 C (86 F) per year at Tapanatepec
YearDaysDecade average
1961305308.6
196278308.6
1963364308.6
1964356308.6
1965365308.6
1968338308.6
1969354308.6
1970339348.7
1971354348.7
1972356348.7
1973335348.7
1974342348.7
1975356348.7
1976348348.7
1977361348.7
1978360348.7
1979336348.7
1980360348.7
1981349348.7
1982359348.7
1983360348.7
1984340348.7
1985319348.7
1986350348.7
1987361348.7
1988340348.7
1991361350.2
1992364350.2
1993345350.2
1994333350.2
1996354350.2
1997344350.2
2000358336.7
2001320336.7
2002318336.7
2003359336.7
2004363336.7
2005329336.7
2007310336.7
First to last qualifying date each year at Tapanatepec For each year, a bar from the first to the last day at Tapanatepec meeting 30 C (86 F). 1961: 1 January 1961 to 11 December 19611962: 2 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 1 January 1974 to 31 December 19741975: 1 January 1975 to 31 December 19751976: 1 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 29 December 19831984: 4 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881991: 1 January 1991 to 31 December 19911992: 2 January 1992 to 31 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941996: 2 January 1996 to 31 December 19961997: 1 January 1997 to 10 December 19972000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 30 November 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052007: 1 January 2007 to 30 November 200719611968197319781983198819962003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tapanatepec meeting 30 C (86 F).
First to last qualifying date each year at Tapanatepec
YearFirst dateLast date
19611961-01-011961-12-11
19621962-01-021962-12-31
19631963-01-011963-12-31
19641964-01-011964-12-31
19651965-01-011965-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-011974-12-31
19751975-01-011975-12-31
19761976-01-011976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-29
19841984-01-041984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-31
19911991-01-011991-12-31
19921992-01-021992-12-31
19931993-01-011993-12-31
19941994-01-011994-12-31
19961996-01-021996-12-31
19971997-01-011997-12-10
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-11-30
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20072007-01-012007-11-30

Every Fixed Threshold

Fixed thresholds at Tapanatepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days393651965310
35 C (95 F): Days393101965138
40 C (104 F): Days302419632
90 F (32.2 C): Days393561965249
100 F (37.8 C): Days38121196533
110 F (43.3 C): Days1119871
20 C (68 F): Tropical nights (min393241970180
25 C (77 F): Days with min323119691
10 mm (0.39 in): Days with 10 mm or more rain4159196855
25 mm (0.98 in): Days with 25 mm or more rain4133197027
50 mm (1.97 in): Days with 50 mm or more rain4119198811
100 mm (3.94 in): Days with 100 mm or more rain28519703
200 mm (7.87 in): Days with 200 mm or more rain8219881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Tapanatepec 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).