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Built 2026-10-19 (19 October 2026)

Cosautlan Threshold Days by Year (MXN00030311)

10 fixed thresholds counted per year at Cosautlan (MXN00030311): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cosautlan Thresholds

  • Cosautlan: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2010 with 103.
  • Cosautlan: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 2000 with 75.
  • Cosautlan: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1992 with 34.
  • Cosautlan: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1978 with 15.
  • 10 fixed thresholds have at least one qualifying day at Cosautlan.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Cosautlan Days per year at Cosautlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 2010. 0501001501977: 241978: 271979: 311980: 331981: 191982: 341983: 591984: 351985: 91986: 231987: 141988: 341989: 301991: 461992: 41993: 71994: 31995: 391996: 661997: 671998: 651999: 62000: 252001: 282002: 402003: 392004: 52005: 482006: 402007: 382008: 812009: 552010: 1032011: 81197719811985198919941998200220062010
Days per year at Cosautlan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 2010.
Days at or above 30 C (86 F) per year at Cosautlan
YearDaysDecade average
19772427.3
19782727.3
19793127.3
19803329
19811929
19823429
19835929
19843529
1985929
19862329
19871429
19883429
19893029
19914633.7
1992433.7
1993733.7
1994333.7
19953933.7
19966633.7
19976733.7
19986533.7
1999633.7
20002539.9
20012839.9
20024039.9
20033939.9
2004539.9
20054839.9
20064039.9
20073839.9
20088139.9
20095539.9
201010392
20118192
First to last qualifying date each year at Cosautlan For each year, a bar from the first to the last day at Cosautlan meeting 30 C (86 F). 1977: 9 January 1977 to 10 December 19771978: 12 February 1978 to 3 December 19781979: 20 January 1979 to 19 November 19791980: 21 February 1980 to 28 October 19801981: 1 February 1981 to 28 December 19811982: 3 January 1982 to 12 September 19821983: 3 March 1983 to 28 December 19831984: 5 March 1984 to 21 October 19841985: 5 February 1985 to 28 April 19851986: 5 February 1986 to 18 May 19861987: 15 February 1987 to 25 December 19871988: 17 January 1988 to 29 November 19881989: 9 January 1989 to 27 November 19891991: 20 February 1991 to 23 June 19911992: 13 January 1992 to 29 June 19921993: 9 January 1993 to 25 July 19931994: 27 May 1994 to 21 July 19941995: 10 February 1995 to 9 June 19951996: 13 March 1996 to 29 December 19961997: 24 January 1997 to 31 December 19971998: 8 January 1998 to 9 July 19981999: 20 April 1999 to 6 December 19992000: 1 February 2000 to 8 November 20002001: 30 January 2001 to 16 October 20012002: 2 March 2002 to 20 September 20022003: 24 February 2003 to 12 August 20032004: 25 February 2004 to 31 May 20042005: 12 March 2005 to 31 August 20052006: 13 March 2006 to 18 October 20062007: 1 March 2007 to 21 August 20072008: 5 February 2008 to 10 September 20082009: 10 January 2009 to 23 December 20092010: 7 January 2010 to 31 December 20102011: 30 January 2011 to 11 August 20111977198219871993199820032008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cosautlan meeting 30 C (86 F).
First to last qualifying date each year at Cosautlan
YearFirst dateLast date
19771977-01-091977-12-10
19781978-02-121978-12-03
19791979-01-201979-11-19
19801980-02-211980-10-28
19811981-02-011981-12-28
19821982-01-031982-09-12
19831983-03-031983-12-28
19841984-03-051984-10-21
19851985-02-051985-04-28
19861986-02-051986-05-18
19871987-02-151987-12-25
19881988-01-171988-11-29
19891989-01-091989-11-27
19911991-02-201991-06-23
19921992-01-131992-06-29
19931993-01-091993-07-25
19941994-05-271994-07-21
19951995-02-101995-06-09
19961996-03-131996-12-29
19971997-01-241997-12-31
19981998-01-081998-07-09
19991999-04-201999-12-06
20002000-02-012000-11-08
20012001-01-302001-10-16
20022002-03-022002-09-20
20032003-02-242003-08-12
20042004-02-252004-05-31
20052005-03-122005-08-31
20062006-03-132006-10-18
20072007-03-012007-08-21
20082008-02-052008-09-10
20092009-01-102009-12-23
20102010-01-072010-12-31
20112011-01-302011-08-11

Every Fixed Threshold

Fixed thresholds at Cosautlan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days34103201081
35 C (95 F): Days1723201023
90 F (32.2 C): Days294020083
100 F (37.8 C): Days3220102
20 C (68 F): Tropical nights (min222119981
10 mm (0.39 in): Days with 10 mm or more rain3275200061
25 mm (0.98 in): Days with 25 mm or more rain3234199228
50 mm (1.97 in): Days with 50 mm or more rain3215197810
100 mm (3.94 in): Days with 100 mm or more rain16219781
200 mm (7.87 in): Days with 200 mm or more rain2119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Cosautlan 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).