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Built 2026-10-19 (19 October 2026)

Ocotlan de Morelos Threshold Days by Year (MXN00020080)

12 fixed thresholds counted per year at Ocotlan de Morelos (MXN00020080): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ocotlan de Morelos Thresholds

  • Ocotlan de Morelos: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1981 with 39.
  • Ocotlan de Morelos: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1979 with 17.
  • Ocotlan de Morelos: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1977 with 260.
  • Ocotlan de Morelos: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1977 with 101.
  • 12 fixed thresholds have at least one qualifying day at Ocotlan de Morelos.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Ocotlan de Morelos Days per year at Ocotlan de Morelos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 260 in 1977. 01002003001924: 651925: 151926: 261927: 341928: 211929: 591930: 791931: 741932: 1361933: 1491934: 961962: 1761963: 1231970: 1061971: 1911972: 2361973: 2221975: 1921976: 2061977: 2601978: 2061979: 1871980: 1911981: 1081982: 1101983: 1281984: 971985: 711987: 1451992: 291993: 601996: 461997: 1081999: 1042000: 228192419281932196319731978198219871997
Days per year at Ocotlan de Morelos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 260 in 1977.
Days at or above 30 C (86 F) per year at Ocotlan de Morelos
YearDaysDecade average
19246536.7
19251536.7
19262636.7
19273436.7
19282136.7
19295936.7
193079106.8
193174106.8
1932136106.8
1933149106.8
193496106.8
1962176149.5
1963123149.5
1970106200.7
1971191200.7
1972236200.7
1973222200.7
1975192200.7
1976206200.7
1977260200.7
1978206200.7
1979187200.7
1980191121.4
1981108121.4
1982110121.4
1983128121.4
198497121.4
198571121.4
1987145121.4
19922969.4
19936069.4
19964669.4
199710869.4
199910469.4
2000228228
First to last qualifying date each year at Ocotlan de Morelos For each year, a bar from the first to the last day at Ocotlan de Morelos meeting 30 C (86 F). 1924: 6 March 1924 to 2 June 19241925: 29 March 1925 to 11 May 19251926: 19 March 1926 to 3 June 19261927: 19 January 1927 to 13 July 19271928: 5 March 1928 to 5 June 19281929: 9 April 1929 to 6 September 19291930: 5 March 1930 to 18 September 19301931: 15 March 1931 to 15 July 19311932: 8 February 1932 to 12 December 19321933: 4 February 1933 to 5 December 19331934: 11 February 1934 to 10 December 19341962: 1 January 1962 to 30 October 19621963: 14 February 1963 to 31 August 19631970: 8 April 1970 to 30 December 19701971: 1 January 1971 to 29 December 19711972: 1 January 1972 to 12 December 19721973: 1 January 1973 to 31 December 19731975: 1 January 1975 to 31 December 19751976: 1 January 1976 to 31 December 19761977: 1 January 1977 to 19 December 19771978: 11 January 1978 to 31 December 19781979: 1 January 1979 to 8 December 19791980: 9 January 1980 to 9 December 19801981: 9 January 1981 to 1 December 19811982: 20 January 1982 to 30 November 19821983: 14 February 1983 to 20 October 19831984: 13 February 1984 to 4 November 19841985: 10 February 1985 to 10 November 19851987: 16 January 1987 to 28 December 19871992: 5 March 1992 to 15 June 19921993: 16 February 1993 to 12 June 19931996: 13 April 1996 to 11 December 19961997: 26 January 1997 to 27 December 19971999: 7 February 1999 to 25 September 19992000: 12 February 2000 to 17 December 20001924192919341972197819831993JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ocotlan de Morelos meeting 30 C (86 F).
First to last qualifying date each year at Ocotlan de Morelos
YearFirst dateLast date
19241924-03-061924-06-02
19251925-03-291925-05-11
19261926-03-191926-06-03
19271927-01-191927-07-13
19281928-03-051928-06-05
19291929-04-091929-09-06
19301930-03-051930-09-18
19311931-03-151931-07-15
19321932-02-081932-12-12
19331933-02-041933-12-05
19341934-02-111934-12-10
19621962-01-011962-10-30
19631963-02-141963-08-31
19701970-04-081970-12-30
19711971-01-011971-12-29
19721972-01-011972-12-12
19731973-01-011973-12-31
19751975-01-011975-12-31
19761976-01-011976-12-31
19771977-01-011977-12-19
19781978-01-111978-12-31
19791979-01-011979-12-08
19801980-01-091980-12-09
19811981-01-091981-12-01
19821982-01-201982-11-30
19831983-02-141983-10-20
19841984-02-131984-11-04
19851985-02-101985-11-10
19871987-01-161987-12-28
19921992-03-051992-06-15
19931993-02-161993-06-12
19961996-04-131996-12-11
19971997-01-261997-12-27
19991999-02-071999-09-25
20002000-02-122000-12-17

Every Fixed Threshold

Fixed thresholds at Ocotlan de Morelos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days352601977228
35 C (95 F): Days2458196220
40 C (104 F): Days1119771
90 F (32.2 C): Days30101197791
100 F (37.8 C): Days111619772
0 C (32 F): Frost days (min151619703
20 C (68 F): Tropical nights (min1414419931
10 mm (0.39 in): Days with 10 mm or more rain4139198119
25 mm (0.98 in): Days with 25 mm or more rain401719797
50 mm (1.97 in): Days with 50 mm or more rain301119791
100 mm (3.94 in): Days with 100 mm or more rain3619791
200 mm (7.87 in): Days with 200 mm or more rain2119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Ocotlan de Morelos 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).