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

Casillas Threshold Days by Year (MXN00019009)

14 fixed thresholds counted per year at Casillas (MXN00019009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Casillas Thresholds

  • Casillas: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1966 with 30.
  • Casillas: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1966 with 7.
  • Casillas: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1963 with 233.
  • Casillas: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1963 with 171.
  • 14 fixed thresholds have at least one qualifying day at Casillas.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Casillas Days per year at Casillas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 233 in 1963. 01002003001963: 2331966: 1461968: 1861969: 1211970: 1261971: 1571972: 1211973: 1061974: 1391975: 1741976: 1351978: 1511983: 2241985: 2241992: 31993: 21994: 51996: 111997: 31998: 472000: 192001: 682004: 1102005: 1352008: 1912009: 1832011: 214196319691972197519831993199720012008
Days per year at Casillas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 233 in 1963.
Days at or above 30 C (86 F) per year at Casillas
YearDaysDecade average
1963233171.5
1966146171.5
1968186171.5
1969121171.5
1970126138.6
1971157138.6
1972121138.6
1973106138.6
1974139138.6
1975174138.6
1976135138.6
1978151138.6
1983224224
1985224224
1992311.8
1993211.8
1994511.8
19961111.8
1997311.8
19984711.8
200019117.7
200168117.7
2004110117.7
2005135117.7
2008191117.7
2009183117.7
2011214214
First to last qualifying date each year at Casillas For each year, a bar from the first to the last day at Casillas meeting 30 C (86 F). 1963: 1 January 1963 to 21 November 19631966: 9 April 1966 to 17 December 19661968: 4 February 1968 to 31 October 19681969: 30 March 1969 to 17 September 19691970: 6 April 1970 to 24 November 19701971: 28 April 1971 to 30 October 19711972: 30 April 1972 to 8 September 19721973: 10 April 1973 to 14 October 19731974: 6 May 1974 to 6 November 19741975: 1 March 1975 to 13 October 19751976: 11 April 1976 to 29 September 19761978: 16 January 1978 to 19 December 19781983: 6 January 1983 to 28 December 19831985: 23 January 1985 to 30 November 19851992: 13 February 1992 to 16 February 19921993: 27 July 1993 to 30 July 19931994: 17 June 1994 to 30 June 19941996: 21 April 1996 to 3 November 19961997: 30 July 1997 to 2 October 19971998: 9 May 1998 to 4 December 19982000: 21 June 2000 to 22 September 20002001: 4 June 2001 to 14 October 20012004: 1 February 2004 to 24 November 20042005: 4 January 2005 to 16 November 20052008: 6 January 2008 to 27 December 20082009: 9 January 2009 to 15 November 20092011: 15 February 2011 to 30 November 20111963197019741983199420002008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Casillas meeting 30 C (86 F).
First to last qualifying date each year at Casillas
YearFirst dateLast date
19631963-01-011963-11-21
19661966-04-091966-12-17
19681968-02-041968-10-31
19691969-03-301969-09-17
19701970-04-061970-11-24
19711971-04-281971-10-30
19721972-04-301972-09-08
19731973-04-101973-10-14
19741974-05-061974-11-06
19751975-03-011975-10-13
19761976-04-111976-09-29
19781978-01-161978-12-19
19831983-01-061983-12-28
19851985-01-231985-11-30
19921992-02-131992-02-16
19931993-07-271993-07-30
19941994-06-171994-06-30
19961996-04-211996-11-03
19971997-07-301997-10-02
19981998-05-091998-12-04
20002000-06-212000-09-22
20012001-06-042001-10-14
20042004-02-012004-11-24
20052005-01-042005-11-16
20082008-01-062008-12-27
20092009-01-092009-11-15
20112011-02-152011-11-30

Every Fixed Threshold

Fixed thresholds at Casillas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days272331963214
35 C (95 F): Days22144196360
40 C (104 F): Days64319631
90 F (32.2 C): Days241711963123
100 F (37.8 C): Days14102196319
110 F (43.3 C): Days1119831
0 C (32 F): Frost days (min2124201124
20 C (68 F): Tropical nights (min2217819762
25 C (77 F): Days with min1211519751
10 mm (0.39 in): Days with 10 mm or more rain3330196614
25 mm (0.98 in): Days with 25 mm or more rain31719665
50 mm (1.97 in): Days with 50 mm or more rain14219631
100 mm (3.94 in): Days with 100 mm or more rain5119781
200 mm (7.87 in): Days with 200 mm or more rain1120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Casillas 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).