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Built 2026-10-19 (19 October 2026)

Ley Federal de Aguas 5 Threshold Days by Year (MXN00003154)

14 fixed thresholds counted per year at Ley Federal de Aguas 5 (MXN00003154): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ley Federal de Aguas 5 Thresholds

  • Ley Federal de Aguas 5: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1989 with 286.
  • Ley Federal de Aguas 5: days with a maximum temperature at or above 35 C (95 F) in 24 years, most in 1990 with 182.
  • Ley Federal de Aguas 5: days with a maximum temperature at or above 40 C (104 F) in 24 years, most in 1990 with 80.
  • Ley Federal de Aguas 5: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1990 with 224.
  • 14 fixed thresholds have at least one qualifying day at Ley Federal de Aguas 5.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Ley Federal de Aguas 5 Days per year at Ley Federal de Aguas 5 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 286 in 1989. 01002003001981: 2551982: 2491983: 2501984: 2471985: 2411986: 2641987: 2641988: 2461989: 2861990: 2821991: 2671992: 2061993: 1991998: 2301999: 1972001: 1992002: 2032003: 1642004: 1982005: 1882007: 1802008: 2332010: 2022011: 20919811984198719901993200120042008
Days per year at Ley Federal de Aguas 5 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 286 in 1989.
Days at or above 30 C (86 F) per year at Ley Federal de Aguas 5
YearDaysDecade average
1981255255.8
1982249255.8
1983250255.8
1984247255.8
1985241255.8
1986264255.8
1987264255.8
1988246255.8
1989286255.8
1990282230.2
1991267230.2
1992206230.2
1993199230.2
1998230230.2
1999197230.2
2001199195
2002203195
2003164195
2004198195
2005188195
2007180195
2008233195
2010202205.5
2011209205.5
First to last qualifying date each year at Ley Federal de Aguas 5 For each year, a bar from the first to the last day at Ley Federal de Aguas 5 meeting 30 C (86 F). 1981: 8 January 1981 to 21 December 19811982: 9 January 1982 to 19 December 19821983: 7 January 1983 to 31 December 19831984: 8 February 1984 to 21 December 19841985: 6 March 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 24 December 19871988: 1 January 1988 to 24 December 19881989: 10 February 1989 to 31 December 19891990: 1 January 1990 to 16 December 19901991: 1 January 1991 to 27 November 19911992: 23 February 1992 to 3 December 19921993: 1 January 1993 to 29 December 19931998: 27 January 1998 to 28 December 19981999: 6 January 1999 to 30 November 19992001: 4 January 2001 to 8 December 20012002: 7 January 2002 to 24 November 20022003: 6 January 2003 to 1 December 20032004: 14 March 2004 to 28 December 20042005: 1 February 2005 to 28 December 20052007: 2 January 2007 to 21 December 20072008: 3 January 2008 to 6 December 20082010: 17 February 2010 to 11 December 20102011: 8 February 2011 to 24 November 201119811984198719901993200120042008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ley Federal de Aguas 5 meeting 30 C (86 F).
First to last qualifying date each year at Ley Federal de Aguas 5
YearFirst dateLast date
19811981-01-081981-12-21
19821982-01-091982-12-19
19831983-01-071983-12-31
19841984-02-081984-12-21
19851985-03-061985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-24
19881988-01-011988-12-24
19891989-02-101989-12-31
19901990-01-011990-12-16
19911991-01-011991-11-27
19921992-02-231992-12-03
19931993-01-011993-12-29
19981998-01-271998-12-28
19991999-01-061999-11-30
20012001-01-042001-12-08
20022002-01-072002-11-24
20032003-01-062003-12-01
20042004-03-142004-12-28
20052005-02-012005-12-28
20072007-01-022007-12-21
20082008-01-032008-12-06
20102010-02-172010-12-11
20112011-02-082011-11-24

Every Fixed Threshold

Fixed thresholds at Ley Federal de Aguas 5
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days242861989209
35 C (95 F): Days241821990106
40 C (104 F): Days248019909
45 C (113 F): Days431200831
90 F (32.2 C): Days242241990163
100 F (37.8 C): Days24135199039
110 F (43.3 C): Days1035200835
0 C (32 F): Frost days (min10619871
20 C (68 F): Tropical nights (min239619904
25 C (77 F): Days with min171119833
10 mm (0.39 in): Days with 10 mm or more rain241219831
25 mm (0.98 in): Days with 25 mm or more rain19619841
50 mm (1.97 in): Days with 50 mm or more rain10219911
100 mm (3.94 in): Days with 100 mm or more rain2119911

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Ley Federal de Aguas 5 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).