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Built 2026-10-19 (19 October 2026)

Oxolotan Threshold Days by Year (MXN00027070)

12 fixed thresholds counted per year at Oxolotan (MXN00027070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oxolotan Thresholds

  • Oxolotan: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1979 with 103.
  • Oxolotan: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1995 with 56.
  • Oxolotan: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1995 with 29.
  • Oxolotan: days with 100 mm (3.94 in) or more of precipitation in 36 years, most in 1975 with 7.
  • 12 fixed thresholds have at least one qualifying day at Oxolotan.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Oxolotan Days per year at Oxolotan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 304 in 1989. 01002003004001975: 2761976: 2401977: 2511978: 2521979: 2361980: 2211981: 2291982: 2511983: 2461984: 2401985: 2841986: 2731987: 2671988: 2881989: 3041990: 3011992: 2591993: 2461994: 2391995: 2391996: 2321997: 2352001: 3042002: 2862004: 3032005: 2752007: 2262008: 2162009: 2432010: 2162011: 2182012: 23219751979198319871992199620042009
Days per year at Oxolotan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 304 in 1989.
Days at or above 30 C (86 F) per year at Oxolotan
YearDaysDecade average
1975276251
1976240251
1977251251
1978252251
1979236251
1980221260.3
1981229260.3
1982251260.3
1983246260.3
1984240260.3
1985284260.3
1986273260.3
1987267260.3
1988288260.3
1989304260.3
1990301250.1
1992259250.1
1993246250.1
1994239250.1
1995239250.1
1996232250.1
1997235250.1
2001304264.7
2002286264.7
2004303264.7
2005275264.7
2007226264.7
2008216264.7
2009243264.7
2010216222
2011218222
2012232222
First to last qualifying date each year at Oxolotan For each year, a bar from the first to the last day at Oxolotan meeting 30 C (86 F). 1975: 10 January 1975 to 29 December 19751976: 2 January 1976 to 31 December 19761977: 6 January 1977 to 20 December 19771978: 2 January 1978 to 31 December 19781979: 1 January 1979 to 23 December 19791980: 8 January 1980 to 17 November 19801981: 1 February 1981 to 29 December 19811982: 1 January 1982 to 25 December 19821983: 21 January 1983 to 28 December 19831984: 18 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 23 December 19861987: 9 January 1987 to 27 December 19871988: 7 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 3 January 1990 to 31 December 19901992: 4 February 1992 to 27 December 19921993: 5 January 1993 to 17 November 19931994: 7 January 1994 to 29 November 19941995: 13 January 1995 to 18 December 19951996: 1 January 1996 to 1 December 19961997: 4 January 1997 to 27 December 19972001: 7 January 2001 to 24 December 20012002: 10 January 2002 to 31 December 20022004: 4 January 2004 to 24 December 20042005: 1 January 2005 to 15 December 20052007: 6 January 2007 to 13 December 20072008: 25 January 2008 to 11 December 20082009: 7 January 2009 to 16 December 20092010: 22 January 2010 to 1 December 20102011: 2 January 2011 to 30 October 20112012: 16 February 2012 to 22 December 201219751979198319871992199620042009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oxolotan meeting 30 C (86 F).
First to last qualifying date each year at Oxolotan
YearFirst dateLast date
19751975-01-101975-12-29
19761976-01-021976-12-31
19771977-01-061977-12-20
19781978-01-021978-12-31
19791979-01-011979-12-23
19801980-01-081980-11-17
19811981-02-011981-12-29
19821982-01-011982-12-25
19831983-01-211983-12-28
19841984-01-181984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-23
19871987-01-091987-12-27
19881988-01-071988-12-31
19891989-01-011989-12-31
19901990-01-031990-12-31
19921992-02-041992-12-27
19931993-01-051993-11-17
19941994-01-071994-11-29
19951995-01-131995-12-18
19961996-01-011996-12-01
19971997-01-041997-12-27
20012001-01-072001-12-24
20022002-01-102002-12-31
20042004-01-042004-12-24
20052005-01-012005-12-15
20072007-01-062007-12-13
20082008-01-252008-12-11
20092009-01-072009-12-16
20102010-01-222010-12-01
20112011-01-022011-10-30
20122012-02-162012-12-22

Every Fixed Threshold

Fixed thresholds at Oxolotan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days323041989232
35 C (95 F): Days32231200454
40 C (104 F): Days133920045
90 F (32.2 C): Days322632004140
100 F (37.8 C): Days3010020046
20 C (68 F): Tropical nights (min323152012315
25 C (77 F): Days with min2831201021
10 mm (0.39 in): Days with 10 mm or more rain37103197965
25 mm (0.98 in): Days with 25 mm or more rain3756199533
50 mm (1.97 in): Days with 50 mm or more rain3729199514
100 mm (3.94 in): Days with 100 mm or more rain36719752
200 mm (7.87 in): Days with 200 mm or more rain10219781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Oxolotan 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).