Built 2026-10-19 (19 October 2026)

Los Robles Threshold Days by Year (MXN00003104)

15 fixed thresholds counted per year at Los Robles (MXN00003104): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Los Robles Thresholds

  • Los Robles: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2000 with 303.
  • Los Robles: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1999 with 185.
  • Los Robles: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1999 with 233.
  • Los Robles: nights with a minimum temperature at or above 20 C (68 F) in 33 years, most in 1983 with 131.
  • 15 fixed thresholds have at least one qualifying day at Los Robles.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Los Robles Days per year at Los Robles with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 303 in 2000. 01002003004001977: 1361978: 1221979: 1291980: 1301981: 1001982: 1401983: 1151984: 991985: 1441986: 1381987: 1261988: 1441989: 1581991: 1591992: 1731993: 1601994: 1761996: 1631997: 1811998: 1711999: 2952000: 3032001: 2372002: 2822003: 2382004: 1802005: 1612007: 1742008: 2142009: 2012010: 1532011: 1662012: 154197719811985198919941999200320082012
Days per year at Los Robles with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 303 in 2000.
Days at or above 30 C (86 F) per year at Los Robles
YearDaysDecade average
1977136129
1978122129
1979129129
1980130129.4
1981100129.4
1982140129.4
1983115129.4
198499129.4
1985144129.4
1986138129.4
1987126129.4
1988144129.4
1989158129.4
1991159184.8
1992173184.8
1993160184.8
1994176184.8
1996163184.8
1997181184.8
1998171184.8
1999295184.8
2000303221.1
2001237221.1
2002282221.1
2003238221.1
2004180221.1
2005161221.1
2007174221.1
2008214221.1
2009201221.1
2010153157.7
2011166157.7
2012154157.7
First to last qualifying date each year at Los Robles For each year, a bar from the first to the last day at Los Robles meeting 30 C (86 F). 1977: 9 March 1977 to 28 December 19771978: 18 March 1978 to 13 October 19781979: 26 April 1979 to 27 October 19791980: 8 April 1980 to 9 November 19801981: 6 April 1981 to 30 September 19811982: 1 April 1982 to 28 October 19821983: 1 April 1983 to 28 October 19831984: 16 March 1984 to 30 September 19841985: 12 April 1985 to 30 October 19851986: 26 February 1986 to 19 October 19861987: 15 April 1987 to 31 October 19871988: 24 March 1988 to 4 November 19881989: 24 February 1989 to 31 October 19891991: 1 April 1991 to 24 October 19911992: 9 April 1992 to 28 October 19921993: 10 March 1993 to 13 November 19931994: 3 April 1994 to 7 November 19941996: 9 January 1996 to 6 November 19961997: 7 March 1997 to 15 December 19971998: 15 January 1998 to 31 December 19981999: 9 January 1999 to 31 December 19992000: 1 January 2000 to 25 December 20002001: 4 January 2001 to 31 December 20012002: 5 January 2002 to 30 December 20022003: 5 January 2003 to 26 December 20032004: 18 February 2004 to 11 November 20042005: 24 March 2005 to 15 November 20052007: 9 March 2007 to 17 November 20072008: 2 January 2008 to 24 December 20082009: 10 February 2009 to 11 November 20092010: 18 March 2010 to 11 November 20102011: 15 February 2011 to 4 November 20112012: 3 March 2012 to 4 December 20121977198219871993199920042010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Los Robles meeting 30 C (86 F).
First to last qualifying date each year at Los Robles
YearFirst dateLast date
19771977-03-091977-12-28
19781978-03-181978-10-13
19791979-04-261979-10-27
19801980-04-081980-11-09
19811981-04-061981-09-30
19821982-04-011982-10-28
19831983-04-011983-10-28
19841984-03-161984-09-30
19851985-04-121985-10-30
19861986-02-261986-10-19
19871987-04-151987-10-31
19881988-03-241988-11-04
19891989-02-241989-10-31
19911991-04-011991-10-24
19921992-04-091992-10-28
19931993-03-101993-11-13
19941994-04-031994-11-07
19961996-01-091996-11-06
19971997-03-071997-12-15
19981998-01-151998-12-31
19991999-01-091999-12-31
20002000-01-012000-12-25
20012001-01-042001-12-31
20022002-01-052002-12-30
20032003-01-052003-12-26
20042004-02-182004-11-11
20052005-03-242005-11-15
20072007-03-092007-11-17
20082008-01-022008-12-24
20092009-02-102009-11-11
20102010-03-182010-11-11
20112011-02-152011-11-04
20122012-03-032012-12-04

Every Fixed Threshold

Fixed thresholds at Los Robles
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days333032000154
35 C (95 F): Days33185199983
40 C (104 F): Days1062199916
45 C (113 F): Days2220091
90 F (32.2 C): Days332331999105
100 F (37.8 C): Days26123200241
110 F (43.3 C): Days2220092
0 C (32 F): Frost days (min2220112
20 C (68 F): Tropical nights (min33131198390
25 C (77 F): Days with min13419803
10 mm (0.39 in): Days with 10 mm or more rain331419848
25 mm (0.98 in): Days with 25 mm or more rain32819842
50 mm (1.97 in): Days with 50 mm or more rain18520031
100 mm (3.94 in): Days with 100 mm or more rain7220011
200 mm (7.87 in): Days with 200 mm or more rain3119821

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 Los Robles 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).