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Built 2026-10-19 (19 October 2026)

Casa Llanta Threshold Days by Year (MXN00014026)

10 fixed thresholds counted per year at Casa Llanta (MXN00014026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Casa Llanta Thresholds

  • Casa Llanta: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 2007 with 39.
  • Casa Llanta: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1960 with 203.
  • Casa Llanta: days with a maximum temperature at or above 90 F (32.2 C) in 42 years, most in 1960 with 91.
  • Casa Llanta: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 2007 with 22.
  • 10 fixed thresholds have at least one qualifying day at Casa Llanta.
42 years with a qualifying day
Days at or above 30 C (86 F) per year at Casa Llanta Days per year at Casa Llanta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 203 in 1960. 01002003001959: 1491960: 2031961: 1661962: 1761963: 1571965: 1651966: 1041967: 1291968: 401971: 901972: 1081973: 641974: 631975: 631976: 761977: 711978: 781979: 1191980: 841981: 691982: 1461983: 851984: 651985: 781986: 941987: 1101988: 971989: 1431990: 981992: 771993: 1021994: 1261996: 1391997: 1201999: 1602000: 1672003: 1562007: 862008: 842009: 1122010: 942011: 145195919651972197719821987199320002010
Days per year at Casa Llanta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 203 in 1960.
Days at or above 30 C (86 F) per year at Casa Llanta
YearDaysDecade average
1959149149
1960203142.5
1961166142.5
1962176142.5
1963157142.5
1965165142.5
1966104142.5
1967129142.5
196840142.5
19719081.3
197210881.3
19736481.3
19746381.3
19756381.3
19767681.3
19777181.3
19787881.3
197911981.3
19808497.1
19816997.1
198214697.1
19838597.1
19846597.1
19857897.1
19869497.1
198711097.1
19889797.1
198914397.1
199098117.4
199277117.4
1993102117.4
1994126117.4
1996139117.4
1997120117.4
1999160117.4
2000167121
2003156121
200786121
200884121
2009112121
201094119.5
2011145119.5
First to last qualifying date each year at Casa Llanta For each year, a bar from the first to the last day at Casa Llanta meeting 30 C (86 F). 1959: 16 February 1959 to 17 November 19591960: 27 January 1960 to 28 November 19601961: 12 February 1961 to 24 November 19611962: 10 February 1962 to 27 November 19621963: 29 January 1963 to 4 November 19631965: 10 March 1965 to 28 November 19651966: 12 April 1966 to 13 November 19661967: 16 February 1967 to 13 October 19671968: 16 April 1968 to 4 October 19681971: 1 February 1971 to 30 October 19711972: 8 March 1972 to 7 November 19721973: 4 February 1973 to 22 September 19731974: 29 March 1974 to 16 August 19741975: 7 March 1975 to 9 October 19751976: 12 March 1976 to 13 September 19761977: 14 March 1977 to 11 October 19771978: 15 March 1978 to 19 August 19781979: 14 March 1979 to 27 October 19791980: 8 March 1980 to 24 October 19801981: 1 April 1981 to 6 November 19811982: 12 February 1982 to 14 November 19821983: 31 March 1983 to 21 October 19831984: 14 March 1984 to 2 November 19841985: 18 February 1985 to 13 November 19851986: 19 February 1986 to 19 November 19861987: 14 April 1987 to 5 December 19871988: 3 February 1988 to 14 November 19881989: 16 February 1989 to 15 November 19891990: 7 March 1990 to 20 November 19901992: 8 March 1992 to 15 November 19921993: 16 March 1993 to 19 October 19931994: 3 February 1994 to 22 December 19941996: 30 January 1996 to 11 November 19961997: 2 March 1997 to 5 November 19971999: 31 January 1999 to 11 November 19992000: 13 February 2000 to 1 November 20002003: 10 February 2003 to 25 October 20032007: 22 February 2007 to 18 October 20072008: 23 February 2008 to 10 October 20082009: 19 February 2009 to 16 October 20092010: 3 April 2010 to 1 November 20102011: 15 February 2011 to 7 October 20111959196619741980198619932003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Casa Llanta meeting 30 C (86 F).
First to last qualifying date each year at Casa Llanta
YearFirst dateLast date
19591959-02-161959-11-17
19601960-01-271960-11-28
19611961-02-121961-11-24
19621962-02-101962-11-27
19631963-01-291963-11-04
19651965-03-101965-11-28
19661966-04-121966-11-13
19671967-02-161967-10-13
19681968-04-161968-10-04
19711971-02-011971-10-30
19721972-03-081972-11-07
19731973-02-041973-09-22
19741974-03-291974-08-16
19751975-03-071975-10-09
19761976-03-121976-09-13
19771977-03-141977-10-11
19781978-03-151978-08-19
19791979-03-141979-10-27
19801980-03-081980-10-24
19811981-04-011981-11-06
19821982-02-121982-11-14
19831983-03-311983-10-21
19841984-03-141984-11-02
19851985-02-181985-11-13
19861986-02-191986-11-19
19871987-04-141987-12-05
19881988-02-031988-11-14
19891989-02-161989-11-15
19901990-03-071990-11-20
19921992-03-081992-11-15
19931993-03-161993-10-19
19941994-02-031994-12-22
19961996-01-301996-11-11
19971997-03-021997-11-05
19991999-01-311999-11-11
20002000-02-132000-11-01
20032003-02-102003-10-25
20072007-02-222007-10-18
20082008-02-232008-10-10
20092009-02-192009-10-16
20102010-04-032010-11-01
20112011-02-152011-10-07

Every Fixed Threshold

Fixed thresholds at Casa Llanta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days422031960145
35 C (95 F): Days3837200321
40 C (104 F): Days1320033
90 F (32.2 C): Days4291196054
100 F (37.8 C): Days131720032
0 C (32 F): Frost days (min121019944
20 C (68 F): Tropical nights (min151019602
10 mm (0.39 in): Days with 10 mm or more rain4339200719
25 mm (0.98 in): Days with 25 mm or more rain422220078
50 mm (1.97 in): Days with 50 mm or more rain17720071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Casa Llanta 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).