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Built 2026-10-19 (19 October 2026)

San Lucas Ojitlan Threshold Days by Year (MXN00020081)

12 fixed thresholds counted per year at San Lucas Ojitlan (MXN00020081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Lucas Ojitlan Thresholds

  • San Lucas Ojitlan: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1991 with 115.
  • San Lucas Ojitlan: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1958 with 69.
  • San Lucas Ojitlan: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1958 with 34.
  • San Lucas Ojitlan: days with 100 mm (3.94 in) or more of precipitation in 36 years, most in 1952 with 10.
  • 12 fixed thresholds have at least one qualifying day at San Lucas Ojitlan.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at San Lucas Ojitlan Days per year at San Lucas Ojitlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 1980. 01002003001951: 1791952: 1611953: 2261954: 1761955: 1861956: 1731957: 2011958: 1781959: 1771960: 1801961: 1881963: 1761964: 1961965: 1641966: 1671967: 1851968: 1661969: 1751970: 1721971: 2171972: 2091973: 1941974: 1861975: 2141976: 1431977: 2001978: 1841979: 2561980: 2841981: 1811982: 1771983: 1971984: 1501991: 2002000: 128195119551959196419681972197619801984
Days per year at San Lucas Ojitlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 284 in 1980.
Days at or above 30 C (86 F) per year at San Lucas Ojitlan
YearDaysDecade average
1951179184.1
1952161184.1
1953226184.1
1954176184.1
1955186184.1
1956173184.1
1957201184.1
1958178184.1
1959177184.1
1960180177.4
1961188177.4
1963176177.4
1964196177.4
1965164177.4
1966167177.4
1967185177.4
1968166177.4
1969175177.4
1970172197.5
1971217197.5
1972209197.5
1973194197.5
1974186197.5
1975214197.5
1976143197.5
1977200197.5
1978184197.5
1979256197.5
1980284197.8
1981181197.8
1982177197.8
1983197197.8
1984150197.8
1991200200
2000128128
First to last qualifying date each year at San Lucas Ojitlan For each year, a bar from the first to the last day at San Lucas Ojitlan meeting 30 C (86 F). 1951: 19 February 1951 to 20 December 19511952: 22 January 1952 to 31 December 19521953: 1 January 1953 to 5 December 19531954: 10 January 1954 to 2 November 19541955: 15 January 1955 to 16 November 19551956: 22 January 1956 to 4 November 19561957: 31 January 1957 to 19 November 19571958: 31 January 1958 to 17 November 19581959: 21 January 1959 to 9 October 19591960: 17 January 1960 to 2 November 19601961: 17 February 1961 to 20 November 19611963: 10 February 1963 to 12 December 19631964: 13 February 1964 to 26 December 19641965: 25 January 1965 to 18 October 19651966: 10 February 1966 to 13 November 19661967: 11 February 1967 to 19 December 19671968: 3 January 1968 to 27 December 19681969: 9 January 1969 to 29 December 19691970: 29 January 1970 to 29 December 19701971: 2 January 1971 to 17 December 19711972: 4 January 1972 to 10 December 19721973: 6 January 1973 to 31 December 19731974: 7 January 1974 to 22 November 19741975: 9 January 1975 to 19 November 19751976: 16 February 1976 to 28 October 19761977: 28 January 1977 to 5 December 19771978: 12 February 1978 to 8 December 19781979: 27 January 1979 to 31 December 19791980: 1 January 1980 to 8 December 19801981: 1 February 1981 to 14 December 19811982: 5 January 1982 to 31 October 19821983: 15 February 1983 to 27 November 19831984: 9 January 1984 to 14 December 19841991: 15 January 1991 to 27 November 19912000: 12 February 2000 to 16 November 20001951195619611967197219771982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Lucas Ojitlan meeting 30 C (86 F).
First to last qualifying date each year at San Lucas Ojitlan
YearFirst dateLast date
19511951-02-191951-12-20
19521952-01-221952-12-31
19531953-01-011953-12-05
19541954-01-101954-11-02
19551955-01-151955-11-16
19561956-01-221956-11-04
19571957-01-311957-11-19
19581958-01-311958-11-17
19591959-01-211959-10-09
19601960-01-171960-11-02
19611961-02-171961-11-20
19631963-02-101963-12-12
19641964-02-131964-12-26
19651965-01-251965-10-18
19661966-02-101966-11-13
19671967-02-111967-12-19
19681968-01-031968-12-27
19691969-01-091969-12-29
19701970-01-291970-12-29
19711971-01-021971-12-17
19721972-01-041972-12-10
19731973-01-061973-12-31
19741974-01-071974-11-22
19751975-01-091975-11-19
19761976-02-161976-10-28
19771977-01-281977-12-05
19781978-02-121978-12-08
19791979-01-271979-12-31
19801980-01-011980-12-08
19811981-02-011981-12-14
19821982-01-051982-10-31
19831983-02-151983-11-27
19841984-01-091984-12-14
19911991-01-151991-11-27
20002000-02-122000-11-16

Every Fixed Threshold

Fixed thresholds at San Lucas Ojitlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days352841980128
35 C (95 F): Days35113199125
40 C (104 F): Days1233197516
90 F (32.2 C): Days35136199166
100 F (37.8 C): Days314719756
20 C (68 F): Tropical nights (min35326197549
25 C (77 F): Days with min31155197413
10 mm (0.39 in): Days with 10 mm or more rain361151991102
25 mm (0.98 in): Days with 25 mm or more rain3669195846
50 mm (1.97 in): Days with 50 mm or more rain3634195817
100 mm (3.94 in): Days with 100 mm or more rain361019523
200 mm (7.87 in): Days with 200 mm or more rain9319732

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for San Lucas Ojitlan 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).