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Built 2026-10-17 (17 October 2026)

Ciudad Constitucion Threshold Days by Year

14 fixed thresholds counted per year at Ciudad Constitucion (MXM00076402): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ciudad Constitucion Thresholds

  • Ciudad Constitucion: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1996 with 288.
  • Ciudad Constitucion: days with a maximum temperature at or above 35 C (95 F) in 35 years, most in 1997 with 154.
  • Ciudad Constitucion: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1993 with 207.
  • Ciudad Constitucion: days with a maximum temperature at or above 100 F (37.8 C) in 35 years, most in 1992 with 97.
  • 14 fixed thresholds have at least one qualifying day at Ciudad Constitucion.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Ciudad Constitucion Days per year at Ciudad Constitucion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 288 in 1996. 01002003001958: 2301961: 1901962: 1651964: 1751965: 1921966: 2071968: 2191969: 2081970: 2321971: 2271972: 2441974: 2121975: 1581976: 1951977: 2251978: 2331979: 2161980: 2171981: 2301982: 1711983: 2251984: 2571985: 2271986: 2331987: 1751988: 2051990: 2331991: 2231992: 2241993: 2541994: 2541995: 2391996: 2881997: 2562026: 103195819651970197519791983198719921996
Days per year at Ciudad Constitucion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 288 in 1996.
Days at or above 30 C (86 F) per year at Ciudad Constitucion
YearDaysDecade average
1958230230
1961190193.7
1962165193.7
1964175193.7
1965192193.7
1966207193.7
1968219193.7
1969208193.7
1970232215.8
1971227215.8
1972244215.8
1974212215.8
1975158215.8
1976195215.8
1977225215.8
1978233215.8
1979216215.8
1980217215.6
1981230215.6
1982171215.6
1983225215.6
1984257215.6
1985227215.6
1986233215.6
1987175215.6
1988205215.6
1990233246.4
1991223246.4
1992224246.4
1993254246.4
1994254246.4
1995239246.4
1996288246.4
1997256246.4
2026103103
First to last qualifying date each year at Ciudad Constitucion For each year, a bar from the first to the last day at Ciudad Constitucion meeting 30 C (86 F). 1958: 29 January 1958 to 25 December 19581961: 15 January 1961 to 31 December 19611962: 3 February 1962 to 6 December 19621964: 28 March 1964 to 28 December 19641965: 6 March 1965 to 9 December 19651966: 21 February 1966 to 18 December 19661968: 14 January 1968 to 13 December 19681969: 3 January 1969 to 30 December 19691970: 6 February 1970 to 31 December 19701971: 6 January 1971 to 29 December 19711972: 17 February 1972 to 31 December 19721974: 13 January 1974 to 24 November 19741975: 28 February 1975 to 9 December 19751976: 14 January 1976 to 4 December 19761977: 7 February 1977 to 29 December 19771978: 7 January 1978 to 2 December 19781979: 10 January 1979 to 31 December 19791980: 4 January 1980 to 29 November 19801981: 7 February 1981 to 20 December 19811982: 9 January 1982 to 14 November 19821983: 12 February 1983 to 24 December 19831984: 25 January 1984 to 26 December 19841985: 5 January 1985 to 31 December 19851986: 2 January 1986 to 8 December 19861987: 26 January 1987 to 10 December 19871988: 5 January 1988 to 18 December 19881990: 9 January 1990 to 12 December 19901991: 5 February 1991 to 27 November 19911992: 22 February 1992 to 27 December 19921993: 18 February 1993 to 13 December 19931994: 11 January 1994 to 26 November 19941995: 14 January 1995 to 13 December 19951996: 7 January 1996 to 30 December 19961997: 1 January 1997 to 26 November 19972026: 8 April 2026 to 10 October 20261958196619721978198319881994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ciudad Constitucion meeting 30 C (86 F).
First to last qualifying date each year at Ciudad Constitucion
YearFirst dateLast date
19581958-01-291958-12-25
19611961-01-151961-12-31
19621962-02-031962-12-06
19641964-03-281964-12-28
19651965-03-061965-12-09
19661966-02-211966-12-18
19681968-01-141968-12-13
19691969-01-031969-12-30
19701970-02-061970-12-31
19711971-01-061971-12-29
19721972-02-171972-12-31
19741974-01-131974-11-24
19751975-02-281975-12-09
19761976-01-141976-12-04
19771977-02-071977-12-29
19781978-01-071978-12-02
19791979-01-101979-12-31
19801980-01-041980-11-29
19811981-02-071981-12-20
19821982-01-091982-11-14
19831983-02-121983-12-24
19841984-01-251984-12-26
19851985-01-051985-12-31
19861986-01-021986-12-08
19871987-01-261987-12-10
19881988-01-051988-12-18
19901990-01-091990-12-12
19911991-02-051991-11-27
19921992-02-221992-12-27
19931993-02-181993-12-13
19941994-01-111994-11-26
19951995-01-141995-12-13
19961996-01-071996-12-30
19971997-01-011997-11-26
20262026-04-082026-10-10

Every Fixed Threshold

Fixed thresholds at Ciudad Constitucion
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days352881996103
35 C (95 F): Days35154199755
40 C (104 F): Days344819974
45 C (113 F): Days5219841
90 F (32.2 C): Days35207199385
100 F (37.8 C): Days3597199222
110 F (43.3 C): Days7419783
0 C (32 F): Frost days (min8519871
20 C (68 F): Tropical nights (min35115195899
25 C (77 F): Days with min1819199748
10 mm (0.39 in): Days with 10 mm or more rain3432196113
25 mm (0.98 in): Days with 25 mm or more rain31719834
50 mm (1.97 in): Days with 50 mm or more rain12219721
100 mm (3.94 in): Days with 100 mm or more rain3119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Ciudad Constitucion 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).