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Built 2026-10-19 (19 October 2026)

Presa 50 Aniversario Threshold Days by Year (MXN00001089)

9 fixed thresholds counted per year at Presa 50 Aniversario (MXN00001089): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Presa 50 Aniversario Thresholds

  • Presa 50 Aniversario: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 2004 with 27.
  • Presa 50 Aniversario: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1991 with 10.
  • Presa 50 Aniversario: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 2005 with 130.
  • Presa 50 Aniversario: nights with a minimum temperature at or below 0 C (32 F) in 24 years, most in 2005 with 41.
  • 9 fixed thresholds have at least one qualifying day at Presa 50 Aniversario.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Presa 50 Aniversario Days per year at Presa 50 Aniversario with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 2005. 0501001501981: 41982: 501983: 401984: 351985: 361986: 361987: 81988: 311989: 261990: 221991: 521992: 201993: 91994: 381995: 451996: 371997: 311999: 542000: 402002: 532003: 592004: 412005: 1302012: 1019811984198719901993199620002004
Days per year at Presa 50 Aniversario with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 2005.
Days at or above 30 C (86 F) per year at Presa 50 Aniversario
YearDaysDecade average
1981429.6
19825029.6
19834029.6
19843529.6
19853629.6
19863629.6
1987829.6
19883129.6
19892629.6
19902234.2
19915234.2
19922034.2
1993934.2
19943834.2
19954534.2
19963734.2
19973134.2
19995434.2
20004064.6
20025364.6
20035964.6
20044164.6
200513064.6
20121010
First to last qualifying date each year at Presa 50 Aniversario For each year, a bar from the first to the last day at Presa 50 Aniversario meeting 30 C (86 F). 1981: 7 June 1981 to 12 June 19811982: 18 March 1982 to 28 June 19821983: 18 April 1983 to 6 September 19831984: 4 April 1984 to 20 October 19841985: 3 March 1985 to 9 June 19851986: 31 March 1986 to 2 June 19861987: 16 April 1987 to 13 September 19871988: 19 April 1988 to 9 June 19881989: 1 May 1989 to 18 July 19891990: 28 April 1990 to 7 June 19901991: 5 March 1991 to 6 June 19911992: 13 June 1992 to 21 September 19921993: 28 April 1993 to 8 June 19931994: 20 March 1994 to 27 July 19941995: 23 March 1995 to 16 June 19951996: 18 April 1996 to 1 August 19961997: 29 April 1997 to 28 September 19971999: 6 April 1999 to 18 October 19992000: 24 March 2000 to 5 October 20002002: 16 March 2002 to 1 December 20022003: 7 March 2003 to 14 June 20032004: 7 March 2004 to 22 October 20042005: 16 February 2005 to 12 December 20052012: 25 April 2012 to 11 June 201219811984198719901993199620002004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Presa 50 Aniversario meeting 30 C (86 F).
First to last qualifying date each year at Presa 50 Aniversario
YearFirst dateLast date
19811981-06-071981-06-12
19821982-03-181982-06-28
19831983-04-181983-09-06
19841984-04-041984-10-20
19851985-03-031985-06-09
19861986-03-311986-06-02
19871987-04-161987-09-13
19881988-04-191988-06-09
19891989-05-011989-07-18
19901990-04-281990-06-07
19911991-03-051991-06-06
19921992-06-131992-09-21
19931993-04-281993-06-08
19941994-03-201994-07-27
19951995-03-231995-06-16
19961996-04-181996-08-01
19971997-04-291997-09-28
19991999-04-061999-10-18
20002000-03-242000-10-05
20022002-03-162002-12-01
20032003-03-072003-06-14
20042004-03-072004-10-22
20052005-02-162005-12-12
20122012-04-252012-06-11

Every Fixed Threshold

Fixed thresholds at Presa 50 Aniversario
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24130200510
35 C (95 F): Days935200535
40 C (104 F): Days1620056
90 F (32.2 C): Days2074200574
100 F (37.8 C): Days114200514
0 C (32 F): Frost days (min2441200514
10 mm (0.39 in): Days with 10 mm or more rain2927200413
25 mm (0.98 in): Days with 25 mm or more rain291019915
50 mm (1.97 in): Days with 50 mm or more rain10219861

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 Presa 50 Aniversario 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).