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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Cosio Threshold Days by Year (MXN00001088)

7 fixed thresholds counted per year at Cosio (MXN00001088): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cosio Thresholds

  • Cosio: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2011 with 131.
  • Cosio: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1991 with 30.
  • Cosio: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 1983 with 19.
  • Cosio: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2011 with 34.
  • 7 fixed thresholds have at least one qualifying day at Cosio.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Cosio Days per year at Cosio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 2011. 0501001501979: 481980: 491981: 251982: 511983: 461984: 191985: 201986: 121987: 131988: 281989: 391990: 331991: 631992: 81994: 191995: 631996: 161997: 581999: 792000: 392001: 572002: 522003: 622004: 282005: 812006: 702007: 512008: 752009: 1242010: 822011: 1312012: 6419791983198719911996200120052009
Days per year at Cosio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 2011.
Days at or above 30 C (86 F) per year at Cosio
YearDaysDecade average
19794848
19804930.2
19812530.2
19825130.2
19834630.2
19841930.2
19852030.2
19861230.2
19871330.2
19882830.2
19893930.2
19903342.4
19916342.4
1992842.4
19941942.4
19956342.4
19961642.4
19975842.4
19997942.4
20003963.9
20015763.9
20025263.9
20036263.9
20042863.9
20058163.9
20067063.9
20075163.9
20087563.9
200912463.9
20108292.3
201113192.3
20126492.3
First to last qualifying date each year at Cosio For each year, a bar from the first to the last day at Cosio meeting 30 C (86 F). 1979: 14 March 1979 to 22 October 19791980: 9 March 1980 to 17 September 19801981: 8 May 1981 to 19 August 19811982: 28 March 1982 to 30 July 19821983: 18 April 1983 to 28 June 19831984: 5 April 1984 to 8 June 19841985: 30 April 1985 to 24 August 19851986: 9 April 1986 to 4 September 19861987: 13 April 1987 to 4 July 19871988: 24 March 1988 to 21 September 19881989: 5 May 1989 to 20 July 19891990: 9 April 1990 to 23 June 19901991: 6 March 1991 to 30 June 19911992: 10 June 1992 to 19 July 19921994: 1 May 1994 to 27 July 19941995: 27 February 1995 to 22 September 19951996: 15 February 1996 to 25 August 19961997: 6 May 1997 to 29 November 19971999: 7 April 1999 to 26 September 19992000: 17 April 2000 to 4 October 20002001: 2 April 2001 to 18 September 20012002: 26 March 2002 to 11 August 20022003: 7 March 2003 to 29 June 20032004: 26 March 2004 to 19 July 20042005: 21 March 2005 to 21 October 20052006: 7 March 2006 to 19 July 20062007: 22 February 2007 to 18 October 20072008: 27 March 2008 to 13 August 20082009: 19 February 2009 to 16 October 20092010: 5 April 2010 to 27 October 20102011: 2 March 2011 to 5 October 20112012: 2 March 2012 to 25 October 201219791983198719911996200120052009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cosio meeting 30 C (86 F).
First to last qualifying date each year at Cosio
YearFirst dateLast date
19791979-03-141979-10-22
19801980-03-091980-09-17
19811981-05-081981-08-19
19821982-03-281982-07-30
19831983-04-181983-06-28
19841984-04-051984-06-08
19851985-04-301985-08-24
19861986-04-091986-09-04
19871987-04-131987-07-04
19881988-03-241988-09-21
19891989-05-051989-07-20
19901990-04-091990-06-23
19911991-03-061991-06-30
19921992-06-101992-07-19
19941994-05-011994-07-27
19951995-02-271995-09-22
19961996-02-151996-08-25
19971997-05-061997-11-29
19991999-04-071999-09-26
20002000-04-172000-10-04
20012001-04-022001-09-18
20022002-03-262002-08-11
20032003-03-072003-06-29
20042004-03-262004-07-19
20052005-03-212005-10-21
20062006-03-072006-07-19
20072007-02-222007-10-18
20082008-03-272008-08-13
20092009-02-192009-10-16
20102010-04-052010-10-27
20112011-03-022011-10-05
20122012-03-022012-10-25

Every Fixed Threshold

Fixed thresholds at Cosio
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32131201164
35 C (95 F): Days121120031
90 F (32.2 C): Days2834201111
0 C (32 F): Frost days (min301919832
10 mm (0.39 in): Days with 10 mm or more rain3230199110
25 mm (0.98 in): Days with 25 mm or more rain28920024
50 mm (1.97 in): Days with 50 mm or more rain6320123

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Cosio 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).