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Built 2026-10-19 (19 October 2026)

Holca Threshold Days by Year (MXN00031071)

13 fixed thresholds counted per year at Holca (MXN00031071): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Holca Thresholds

  • Holca: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1996 with 332.
  • Holca: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 1997 with 231.
  • Holca: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 1997 with 295.
  • Holca: nights with a minimum temperature at or above 20 C (68 F) in 21 years, most in 1998 with 204.
  • 13 fixed thresholds have at least one qualifying day at Holca.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Holca Days per year at Holca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 332 in 1996. 01002003004001980: 3001983: 2581984: 3051987: 3061988: 2941991: 3041992: 2961993: 2641994: 3011995: 3261996: 3321997: 3251998: 3171999: 3162000: 3012001: 2632002: 1592003: 1692004: 1492005: 1872006: 1801980198719921995199820012004
Days per year at Holca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 332 in 1996.
Days at or above 30 C (86 F) per year at Holca
YearDaysDecade average
1980300292.6
1983258292.6
1984305292.6
1987306292.6
1988294292.6
1991304309
1992296309
1993264309
1994301309
1995326309
1996332309
1997325309
1998317309
1999316309
2000301201.1
2001263201.1
2002159201.1
2003169201.1
2004149201.1
2005187201.1
2006180201.1
First to last qualifying date each year at Holca For each year, a bar from the first to the last day at Holca meeting 30 C (86 F). 1980: 8 January 1980 to 25 December 19801983: 1 January 1983 to 30 December 19831984: 10 January 1984 to 31 December 19841987: 16 January 1987 to 29 December 19871988: 1 January 1988 to 31 December 19881991: 1 January 1991 to 24 December 19911992: 1 January 1992 to 27 December 19921993: 2 January 1993 to 29 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 30 December 19961997: 1 January 1997 to 26 December 19971998: 5 January 1998 to 31 December 19981999: 1 January 1999 to 29 December 19992000: 2 January 2000 to 29 December 20002001: 2 January 2001 to 11 December 20012002: 27 January 2002 to 31 October 20022003: 15 February 2003 to 19 December 20032004: 4 January 2004 to 23 November 20042005: 11 January 2005 to 30 December 20052006: 16 January 2006 to 28 November 20061980198719921995199820012004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Holca meeting 30 C (86 F).
First to last qualifying date each year at Holca
YearFirst dateLast date
19801980-01-081980-12-25
19831983-01-011983-12-30
19841984-01-101984-12-31
19871987-01-161987-12-29
19881988-01-011988-12-31
19911991-01-011991-12-24
19921992-01-011992-12-27
19931993-01-021993-12-29
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-30
19971997-01-011997-12-26
19981998-01-051998-12-31
19991999-01-011999-12-29
20002000-01-022000-12-29
20012001-01-022001-12-11
20022002-01-272002-10-31
20032003-02-152003-12-19
20042004-01-042004-11-23
20052005-01-112005-12-30
20062006-01-162006-11-28

Every Fixed Threshold

Fixed thresholds at Holca
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days213321996180
35 C (95 F): Days21231199714
40 C (104 F): Days103719971
90 F (32.2 C): Days21295199726
100 F (37.8 C): Days2014019973
110 F (43.3 C): Days2319971
20 C (68 F): Tropical nights (min212041998112
25 C (77 F): Days with min161019982
10 mm (0.39 in): Days with 10 mm or more rain2143198836
25 mm (0.98 in): Days with 25 mm or more rain2122199910
50 mm (1.97 in): Days with 50 mm or more rain20919884
100 mm (3.94 in): Days with 100 mm or more rain5219882
200 mm (7.87 in): Days with 200 mm or more rain1119881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Holca 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).