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Built 2026-10-19 (19 October 2026)

Libres (Smn) Threshold Days by Year (MXN00021119)

7 fixed thresholds counted per year at Libres (Smn) (MXN00021119): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Libres (Smn) Thresholds

  • Libres (Smn): days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1958 with 32.
  • Libres (Smn): nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1940 with 56.
  • Libres (Smn): days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1939 with 10.
  • Libres (Smn): days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1998 with 64.
  • 7 fixed thresholds have at least one qualifying day at Libres (Smn).
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Libres (Smn) Days per year at Libres (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1998. 0204060801937: 381938: 351939: 181940: 181956: 261957: 31958: 31976: 71981: 111982: 411983: 531984: 291985: 141986: 151987: 91988: 181989: 31990: 91992: 111993: 111994: 301995: 291996: 221997: 161998: 641999: 292001: 222002: 222003: 242006: 462007: 372008: 272009: 27193719561981198519891994199820032009
Days per year at Libres (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1998.
Days at or above 30 C (86 F) per year at Libres (Smn)
YearDaysDecade average
19373830.3
19383530.3
19391830.3
19401818
19562610.7
1957310.7
1958310.7
197677
19811121.4
19824121.4
19835321.4
19842921.4
19851421.4
19861521.4
1987921.4
19881821.4
1989321.4
1990924.6
19921124.6
19931124.6
19943024.6
19952924.6
19962224.6
19971624.6
19986424.6
19992924.6
20012229.3
20022229.3
20032429.3
20064629.3
20073729.3
20082729.3
20092729.3
First to last qualifying date each year at Libres (Smn) For each year, a bar from the first to the last day at Libres (Smn) meeting 30 C (86 F). 1937: 3 February 1937 to 28 December 19371938: 23 January 1938 to 28 December 19381939: 21 January 1939 to 5 August 19391940: 1 April 1940 to 25 May 19401956: 18 February 1956 to 10 May 19561957: 22 May 1957 to 11 June 19571958: 28 March 1958 to 29 April 19581976: 12 March 1976 to 17 April 19761981: 2 April 1981 to 19 May 19811982: 22 January 1982 to 28 September 19821983: 20 March 1983 to 2 July 19831984: 28 March 1984 to 31 July 19841985: 3 March 1985 to 31 May 19851986: 17 March 1986 to 17 May 19861987: 18 March 1987 to 12 December 19871988: 2 April 1988 to 6 June 19881989: 7 June 1989 to 12 June 19891990: 13 March 1990 to 30 May 19901992: 8 March 1992 to 11 July 19921993: 17 March 1993 to 8 June 19931994: 26 February 1994 to 27 May 19941995: 21 March 1995 to 7 June 19951996: 23 February 1996 to 4 June 19961997: 1 March 1997 to 17 June 19971998: 19 March 1998 to 21 June 19981999: 9 March 1999 to 30 June 19992001: 12 March 2001 to 19 August 20012002: 16 March 2002 to 30 May 20022003: 2 March 2003 to 26 October 20032006: 16 February 2006 to 1 November 20062007: 21 February 2007 to 7 June 20072008: 25 February 2008 to 4 June 20082009: 24 March 2009 to 11 June 20091937195719831988199419992007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Libres (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Libres (Smn)
YearFirst dateLast date
19371937-02-031937-12-28
19381938-01-231938-12-28
19391939-01-211939-08-05
19401940-04-011940-05-25
19561956-02-181956-05-10
19571957-05-221957-06-11
19581958-03-281958-04-29
19761976-03-121976-04-17
19811981-04-021981-05-19
19821982-01-221982-09-28
19831983-03-201983-07-02
19841984-03-281984-07-31
19851985-03-031985-05-31
19861986-03-171986-05-17
19871987-03-181987-12-12
19881988-04-021988-06-06
19891989-06-071989-06-12
19901990-03-131990-05-30
19921992-03-081992-07-11
19931993-03-171993-06-08
19941994-02-261994-05-27
19951995-03-211995-06-07
19961996-02-231996-06-04
19971997-03-011997-06-17
19981998-03-191998-06-21
19991999-03-091999-06-30
20012001-03-122001-08-19
20022002-03-162002-05-30
20032003-03-022003-10-26
20062006-02-162006-11-01
20072007-02-212007-06-07
20082008-02-252008-06-04
20092009-03-242009-06-11

Every Fixed Threshold

Fixed thresholds at Libres (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3364199827
35 C (95 F): Days7819373
90 F (32.2 C): Days222219982
0 C (32 F): Frost days (min3756194022
10 mm (0.39 in): Days with 10 mm or more rain4132195821
25 mm (0.98 in): Days with 25 mm or more rain361019397
50 mm (1.97 in): Days with 50 mm or more rain13219561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Libres (Smn) 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).