Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Rancho Williams Threshold Days by Year (MXN00002145)

15 fixed thresholds counted per year at Rancho Williams (MXN00002145): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rancho Williams Thresholds

  • Rancho Williams: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1996 with 253.
  • Rancho Williams: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1989 with 183.
  • Rancho Williams: days with a maximum temperature at or above 40 C (104 F) in 25 years, most in 1992 with 144.
  • Rancho Williams: days with a maximum temperature at or above 45 C (113 F) in 25 years, most in 2011 with 53.
  • 15 fixed thresholds have at least one qualifying day at Rancho Williams.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Rancho Williams Days per year at Rancho Williams with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 253 in 1996. 01002003001982: 2001983: 2061984: 2151985: 2091986: 2241987: 2061989: 2411990: 2451991: 2111992: 2071993: 2321996: 2531997: 2261998: 2081999: 2312000: 2002001: 1962003: 2252004: 2012006: 1872007: 2322008: 2312009: 2122010: 1962011: 195198219851989199219972000200420082011
Days per year at Rancho Williams with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 253 in 1996.
Days at or above 30 C (86 F) per year at Rancho Williams
YearDaysDecade average
1982200214.4
1983206214.4
1984215214.4
1985209214.4
1986224214.4
1987206214.4
1989241214.4
1990245226.6
1991211226.6
1992207226.6
1993232226.6
1996253226.6
1997226226.6
1998208226.6
1999231226.6
2000200210.5
2001196210.5
2003225210.5
2004201210.5
2006187210.5
2007232210.5
2008231210.5
2009212210.5
2010196195.5
2011195195.5
First to last qualifying date each year at Rancho Williams For each year, a bar from the first to the last day at Rancho Williams meeting 30 C (86 F). 1982: 15 February 1982 to 5 November 19821983: 9 March 1983 to 30 November 19831984: 1 March 1984 to 6 November 19841985: 15 February 1985 to 8 November 19851986: 22 February 1986 to 20 November 19861987: 28 January 1987 to 28 October 19871989: 3 February 1989 to 23 November 19891990: 13 February 1990 to 1 December 19901991: 5 February 1991 to 19 November 19911992: 23 February 1992 to 19 November 19921993: 7 March 1993 to 12 November 19931996: 21 January 1996 to 23 November 19961997: 6 January 1997 to 8 November 19971998: 18 March 1998 to 8 November 19981999: 28 February 1999 to 28 November 19992000: 20 January 2000 to 21 October 20002001: 5 February 2001 to 31 October 20012003: 4 January 2003 to 30 October 20032004: 9 March 2004 to 18 October 20042006: 25 March 2006 to 23 November 20062007: 8 March 2007 to 21 November 20072008: 27 February 2008 to 20 November 20082009: 26 February 2009 to 12 November 20092010: 6 March 2010 to 20 November 20102011: 31 March 2011 to 1 November 20111982198619911997200120072011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rancho Williams meeting 30 C (86 F).
First to last qualifying date each year at Rancho Williams
YearFirst dateLast date
19821982-02-151982-11-05
19831983-03-091983-11-30
19841984-03-011984-11-06
19851985-02-151985-11-08
19861986-02-221986-11-20
19871987-01-281987-10-28
19891989-02-031989-11-23
19901990-02-131990-12-01
19911991-02-051991-11-19
19921992-02-231992-11-19
19931993-03-071993-11-12
19961996-01-211996-11-23
19971997-01-061997-11-08
19981998-03-181998-11-08
19991999-02-281999-11-28
20002000-01-202000-10-21
20012001-02-052001-10-31
20032003-01-042003-10-30
20042004-03-092004-10-18
20062006-03-252006-11-23
20072007-03-082007-11-21
20082008-02-272008-11-20
20092009-02-262009-11-12
20102010-03-062010-11-20
20112011-03-312011-11-01

Every Fixed Threshold

Fixed thresholds at Rancho Williams
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days252531996195
35 C (95 F): Days251831989124
40 C (104 F): Days25144199283
45 C (113 F): Days2553201153
50 C (122 F): Days3519851
90 F (32.2 C): Days252151989159
100 F (37.8 C): Days25160199293
110 F (43.3 C): Days2564201164
120 F (48.9 C): Days6919853
0 C (32 F): Frost days (min2026199921
20 C (68 F): Tropical nights (min231281996122
25 C (77 F): Days with min2375199651
10 mm (0.39 in): Days with 10 mm or more rain24419832
25 mm (0.98 in): Days with 25 mm or more rain10219821
50 mm (1.97 in): Days with 50 mm or more rain2119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Rancho Williams 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).