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Built 2026-10-19 (19 October 2026)

Coyotepec Threshold Days by Year (MXN00020022)

12 fixed thresholds counted per year at Coyotepec (MXN00020022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coyotepec Thresholds

  • Coyotepec: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1987 with 251.
  • Coyotepec: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1971 with 114.
  • Coyotepec: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1969 with 45.
  • Coyotepec: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 1991 with 54.
  • 12 fixed thresholds have at least one qualifying day at Coyotepec.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Coyotepec Days per year at Coyotepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 251 in 1987. 01002003001963: 221964: 941965: 1221966: 781967: 871968: 1281969: 2301970: 2051971: 2411973: 1461974: 1061975: 1021976: 541977: 731978: 1421979: 2181981: 1111982: 1671983: 2081984: 871985: 1771986: 1931987: 2511989: 1861990: 2041991: 1871992: 2031994: 2121995: 2141996: 1831997: 1921999: 1832000: 2022004: 2372005: 1882007: 250196319671971197619811985199019952000
Days per year at Coyotepec with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 251 in 1987.
Days at or above 30 C (86 F) per year at Coyotepec
YearDaysDecade average
196322108.7
196494108.7
1965122108.7
196678108.7
196787108.7
1968128108.7
1969230108.7
1970205143
1971241143
1973146143
1974106143
1975102143
197654143
197773143
1978142143
1979218143
1981111172.5
1982167172.5
1983208172.5
198487172.5
1985177172.5
1986193172.5
1987251172.5
1989186172.5
1990204197.3
1991187197.3
1992203197.3
1994212197.3
1995214197.3
1996183197.3
1997192197.3
1999183197.3
2000202219.3
2004237219.3
2005188219.3
2007250219.3
First to last qualifying date each year at Coyotepec For each year, a bar from the first to the last day at Coyotepec meeting 30 C (86 F). 1963: 11 May 1963 to 27 November 19631964: 19 January 1964 to 17 December 19641965: 9 January 1965 to 24 December 19651966: 19 January 1966 to 11 November 19661967: 26 January 1967 to 20 December 19671968: 21 February 1968 to 31 December 19681969: 3 January 1969 to 31 December 19691970: 1 January 1970 to 29 December 19701971: 3 January 1971 to 31 December 19711973: 1 January 1973 to 30 December 19731974: 3 January 1974 to 16 December 19741975: 6 January 1975 to 27 December 19751976: 12 February 1976 to 15 December 19761977: 3 January 1977 to 24 December 19771978: 1 March 1978 to 24 December 19781979: 6 January 1979 to 31 December 19791981: 7 January 1981 to 31 December 19811982: 1 January 1982 to 24 December 19821983: 8 January 1983 to 28 December 19831984: 2 February 1984 to 30 December 19841985: 2 January 1985 to 31 December 19851986: 1 February 1986 to 28 December 19861987: 2 January 1987 to 28 December 19871989: 1 January 1989 to 31 December 19891990: 2 January 1990 to 29 December 19901991: 2 January 1991 to 23 December 19911992: 6 January 1992 to 29 December 19921994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 22 December 19951996: 6 January 1996 to 26 December 19961997: 4 January 1997 to 28 December 19971999: 1 January 1999 to 25 November 19992000: 8 January 2000 to 27 December 20002004: 7 January 2004 to 30 November 20042005: 2 January 2005 to 22 November 20052007: 4 January 2007 to 30 November 200719631968197419791985199119972007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coyotepec meeting 30 C (86 F).
First to last qualifying date each year at Coyotepec
YearFirst dateLast date
19631963-05-111963-11-27
19641964-01-191964-12-17
19651965-01-091965-12-24
19661966-01-191966-11-11
19671967-01-261967-12-20
19681968-02-211968-12-31
19691969-01-031969-12-31
19701970-01-011970-12-29
19711971-01-031971-12-31
19731973-01-011973-12-30
19741974-01-031974-12-16
19751975-01-061975-12-27
19761976-02-121976-12-15
19771977-01-031977-12-24
19781978-03-011978-12-24
19791979-01-061979-12-31
19811981-01-071981-12-31
19821982-01-011982-12-24
19831983-01-081983-12-28
19841984-02-021984-12-30
19851985-01-021985-12-31
19861986-02-011986-12-28
19871987-01-021987-12-28
19891989-01-011989-12-31
19901990-01-021990-12-29
19911991-01-021991-12-23
19921992-01-061992-12-29
19941994-01-011994-12-31
19951995-01-011995-12-22
19961996-01-061996-12-26
19971997-01-041997-12-28
19991999-01-011999-11-25
20002000-01-082000-12-27
20042004-01-072004-11-30
20052005-01-022005-11-22
20072007-01-042007-11-30

Every Fixed Threshold

Fixed thresholds at Coyotepec
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days362511987250
35 C (95 F): Days305419911
40 C (104 F): Days2119811
90 F (32.2 C): Days36114197144
100 F (37.8 C): Days141819714
0 C (32 F): Frost days (min9519873
20 C (68 F): Tropical nights (min9619781
25 C (77 F): Days with min1119791
10 mm (0.39 in): Days with 10 mm or more rain334519696
25 mm (0.98 in): Days with 25 mm or more rain301419691
50 mm (1.97 in): Days with 50 mm or more rain17319892
100 mm (3.94 in): Days with 100 mm or more rain1119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Coyotepec 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).