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Built 2026-10-17 (17 October 2026)

Mactun Threshold Days by Year

5 fixed thresholds counted per year at Mactun (MXN00027021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mactun Thresholds

  • Mactun: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1997 with 98.
  • Mactun: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1997 with 52.
  • Mactun: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1989 with 22.
  • Mactun: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1995 with 4.
  • 5 fixed thresholds have at least one qualifying day at Mactun.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mactun Days per year at Mactun with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 98 in 1997. 02550751001970: 691971: 481972: 731973: 641974: 531975: 631976: 681977: 551978: 851979: 571980: 581981: 631983: 461984: 561987: 521988: 721989: 541990: 441991: 371992: 591993: 531994: 651995: 551996: 661997: 981998: 861999: 742004: 462005: 762006: 862007: 712008: 832009: 532010: 802011: 412012: 29197019741978198319891993199720052009
Days per year at Mactun with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 98 in 1997.
Days with 10 mm (0.39 in) or more of precipitation per year at Mactun
YearDaysDecade average
19706963.5
19714863.5
19727363.5
19736463.5
19745363.5
19756363.5
19766863.5
19775563.5
19788563.5
19795763.5
19805857.3
19816357.3
19834657.3
19845657.3
19875257.3
19887257.3
19895457.3
19904463.7
19913763.7
19925963.7
19935363.7
19946563.7
19955563.7
19966663.7
19979863.7
19988663.7
19997463.7
20044669.2
20057669.2
20068669.2
20077169.2
20088369.2
20095369.2
20108050
20114150
20122950
First to last qualifying date each year at Mactun For each year, a bar from the first to the last day at Mactun meeting 10 mm (0.39 in). 1970: 2 January 1970 to 24 December 19701971: 3 March 1971 to 24 December 19711972: 5 January 1972 to 16 December 19721973: 23 January 1973 to 21 December 19731974: 31 January 1974 to 17 December 19741975: 13 January 1975 to 26 December 19751976: 14 January 1976 to 26 December 19761977: 8 February 1977 to 21 December 19771978: 2 January 1978 to 17 December 19781979: 2 January 1979 to 25 December 19791980: 21 January 1980 to 3 December 19801981: 10 February 1981 to 17 December 19811983: 10 February 1983 to 29 December 19831984: 19 January 1984 to 26 December 19841987: 10 January 1987 to 12 November 19871988: 3 January 1988 to 25 November 19881989: 20 January 1989 to 23 December 19891990: 26 January 1990 to 8 December 19901991: 1 January 1991 to 18 December 19911992: 3 April 1992 to 28 December 19921993: 22 January 1993 to 30 December 19931994: 17 January 1994 to 12 December 19941995: 2 January 1995 to 28 December 19951996: 7 January 1996 to 30 December 19961997: 12 January 1997 to 31 December 19971998: 14 January 1998 to 29 December 19981999: 1 January 1999 to 16 December 19992004: 13 February 2004 to 28 December 20042005: 2 April 2005 to 29 December 20052006: 7 January 2006 to 13 December 20062007: 1 January 2007 to 5 December 20072008: 2 January 2008 to 22 October 20082009: 14 January 2009 to 31 December 20092010: 1 January 2010 to 28 November 20102011: 28 April 2011 to 24 December 20112012: 12 January 2012 to 13 November 201219701975198019881993199820072012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mactun meeting 10 mm (0.39 in).
First to last qualifying date each year at Mactun
YearFirst dateLast date
19701970-01-021970-12-24
19711971-03-031971-12-24
19721972-01-051972-12-16
19731973-01-231973-12-21
19741974-01-311974-12-17
19751975-01-131975-12-26
19761976-01-141976-12-26
19771977-02-081977-12-21
19781978-01-021978-12-17
19791979-01-021979-12-25
19801980-01-211980-12-03
19811981-02-101981-12-17
19831983-02-101983-12-29
19841984-01-191984-12-26
19871987-01-101987-11-12
19881988-01-031988-11-25
19891989-01-201989-12-23
19901990-01-261990-12-08
19911991-01-011991-12-18
19921992-04-031992-12-28
19931993-01-221993-12-30
19941994-01-171994-12-12
19951995-01-021995-12-28
19961996-01-071996-12-30
19971997-01-121997-12-31
19981998-01-141998-12-29
19991999-01-011999-12-16
20042004-02-132004-12-28
20052005-04-022005-12-29
20062006-01-072006-12-13
20072007-01-012007-12-05
20082008-01-022008-10-22
20092009-01-142009-12-31
20102010-01-012010-11-28
20112011-04-282011-12-24
20122012-01-122012-11-13

Every Fixed Threshold

Fixed thresholds at Mactun
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3698199729
25 mm (0.98 in): Days with 25 mm or more rain3652199714
50 mm (1.97 in): Days with 50 mm or more rain352219898
100 mm (3.94 in): Days with 100 mm or more rain16419953
200 mm (7.87 in): Days with 200 mm or more rain1119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Mactun 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).