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

Los Alisos Threshold Days by Year (MXN00001091)

7 fixed thresholds counted per year at Los Alisos (MXN00001091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Los Alisos Thresholds

  • Los Alisos: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1985 with 36.
  • Los Alisos: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1991 with 11.
  • Los Alisos: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 2001 with 74.
  • Los Alisos: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1985 with 3.
  • 7 fixed thresholds have at least one qualifying day at Los Alisos.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Los Alisos Days per year at Los Alisos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 2001. 0204060801983: 181984: 11985: 101989: 191991: 11995: 221997: 11999: 292000: 22001: 742002: 132003: 352009: 672010: 172011: 172012: 319831985199119972000200220092011
Days per year at Los Alisos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 2001.
Days at or above 30 C (86 F) per year at Los Alisos
YearDaysDecade average
19831812
1984112
19851012
19891912
1991113.3
19952213.3
1997113.3
19992913.3
2000238.2
20017438.2
20021338.2
20033538.2
20096738.2
20101712.3
20111712.3
2012312.3
First to last qualifying date each year at Los Alisos For each year, a bar from the first to the last day at Los Alisos meeting 30 C (86 F). 1983: 30 April 1983 to 9 June 19831984: 3 June 1984 to 3 June 19841985: 13 May 1985 to 2 June 19851989: 15 May 1989 to 18 July 19891991: 22 May 1991 to 22 May 19911995: 8 April 1995 to 1 May 19951997: 8 May 1997 to 8 May 19971999: 13 April 1999 to 30 July 19992000: 28 May 2000 to 24 June 20002001: 2 April 2001 to 28 September 20012002: 19 April 2002 to 27 September 20022003: 5 July 2003 to 30 September 20032009: 7 May 2009 to 24 November 20092010: 4 May 2010 to 9 June 20102011: 11 April 2011 to 18 June 20112012: 29 May 2012 to 11 June 201219831985199119972000200220092011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Los Alisos meeting 30 C (86 F).
First to last qualifying date each year at Los Alisos
YearFirst dateLast date
19831983-04-301983-06-09
19841984-06-031984-06-03
19851985-05-131985-06-02
19891989-05-151989-07-18
19911991-05-221991-05-22
19951995-04-081995-05-01
19971997-05-081997-05-08
19991999-04-131999-07-30
20002000-05-282000-06-24
20012001-04-022001-09-28
20022002-04-192002-09-27
20032003-07-052003-09-30
20092009-05-072009-11-24
20102010-05-042010-06-09
20112011-04-112011-06-18
20122012-05-292012-06-11

Every Fixed Threshold

Fixed thresholds at Los Alisos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days167420013
35 C (95 F): Days1120101
90 F (32.2 C): Days91220092
0 C (32 F): Frost days (min91519997
10 mm (0.39 in): Days with 10 mm or more rain2436198518
25 mm (0.98 in): Days with 25 mm or more rain241119913
50 mm (1.97 in): Days with 50 mm or more rain11319851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Los Alisos 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).