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Built 2026-10-19 (19 October 2026)

Hornos Threshold Days by Year (MXN00026043)

15 fixed thresholds counted per year at Hornos (MXN00026043): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hornos Thresholds

  • Hornos: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1984 with 19.
  • Hornos: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1992 with 10.
  • Hornos: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 2003 with 307.
  • Hornos: days with a maximum temperature at or above 35 C (95 F) in 43 years, most in 2005 with 222.
  • 15 fixed thresholds have at least one qualifying day at Hornos.
43 years with a qualifying day
Days at or above 30 C (86 F) per year at Hornos Days per year at Hornos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 307 in 2003. 01002003004001961: 2471962: 2921963: 2741964: 2451965: 2601966: 2811967: 2711968: 2641969: 2741970: 2691971: 2611972: 2611974: 2441975: 2491976: 2451977: 2681978: 2401979: 2301980: 2521981: 2761982: 2621983: 2341984: 2441985: 2441992: 2271993: 2361994: 2531995: 2601996: 2631997: 2471998: 2491999: 2682000: 2492001: 2372002: 2692003: 3072004: 2472005: 2882006: 2962007: 2742008: 2502009: 2512010: 275196119661971197719821993199820032008
Days per year at Hornos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 307 in 2003.
Days at or above 30 C (86 F) per year at Hornos
YearDaysDecade average
1961247267.6
1962292267.6
1963274267.6
1964245267.6
1965260267.6
1966281267.6
1967271267.6
1968264267.6
1969274267.6
1970269251.9
1971261251.9
1972261251.9
1974244251.9
1975249251.9
1976245251.9
1977268251.9
1978240251.9
1979230251.9
1980252252
1981276252
1982262252
1983234252
1984244252
1985244252
1992227250.4
1993236250.4
1994253250.4
1995260250.4
1996263250.4
1997247250.4
1998249250.4
1999268250.4
2000249266.8
2001237266.8
2002269266.8
2003307266.8
2004247266.8
2005288266.8
2006296266.8
2007274266.8
2008250266.8
2009251266.8
2010275275
First to last qualifying date each year at Hornos For each year, a bar from the first to the last day at Hornos meeting 30 C (86 F). 1961: 9 January 1961 to 31 December 19611962: 7 January 1962 to 30 December 19621963: 7 January 1963 to 30 December 19631964: 1 January 1964 to 24 December 19641965: 14 January 1965 to 30 December 19651966: 7 January 1966 to 20 December 19661967: 15 January 1967 to 21 November 19671968: 13 January 1968 to 31 December 19681969: 1 January 1969 to 25 December 19691970: 21 January 1970 to 26 December 19701971: 15 January 1971 to 26 December 19711972: 15 January 1972 to 26 December 19721974: 13 January 1974 to 21 December 19741975: 5 January 1975 to 9 December 19751976: 11 January 1976 to 26 November 19761977: 17 January 1977 to 27 December 19771978: 7 January 1978 to 12 December 19781979: 13 February 1979 to 18 December 19791980: 4 January 1980 to 30 December 19801981: 1 January 1981 to 21 December 19811982: 9 January 1982 to 22 November 19821983: 7 January 1983 to 31 December 19831984: 9 February 1984 to 10 December 19841985: 13 February 1985 to 31 December 19851992: 28 February 1992 to 3 December 19921993: 6 March 1993 to 10 December 19931994: 2 January 1994 to 26 November 19941995: 2 February 1995 to 14 December 19951996: 9 January 1996 to 12 December 19961997: 2 January 1997 to 16 December 19971998: 1 January 1998 to 29 December 19981999: 4 January 1999 to 30 November 19992000: 10 January 2000 to 21 December 20002001: 4 January 2001 to 29 December 20012002: 6 January 2002 to 28 December 20022003: 2 January 2003 to 25 December 20032004: 2 January 2004 to 30 December 20042005: 10 January 2005 to 31 December 20052006: 1 January 2006 to 18 December 20062007: 8 January 2007 to 30 December 20072008: 3 January 2008 to 26 November 20082009: 12 January 2009 to 17 December 20092010: 9 January 2010 to 23 December 201019611967197419801992199820042010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hornos meeting 30 C (86 F).
First to last qualifying date each year at Hornos
YearFirst dateLast date
19611961-01-091961-12-31
19621962-01-071962-12-30
19631963-01-071963-12-30
19641964-01-011964-12-24
19651965-01-141965-12-30
19661966-01-071966-12-20
19671967-01-151967-11-21
19681968-01-131968-12-31
19691969-01-011969-12-25
19701970-01-211970-12-26
19711971-01-151971-12-26
19721972-01-151972-12-26
19741974-01-131974-12-21
19751975-01-051975-12-09
19761976-01-111976-11-26
19771977-01-171977-12-27
19781978-01-071978-12-12
19791979-02-131979-12-18
19801980-01-041980-12-30
19811981-01-011981-12-21
19821982-01-091982-11-22
19831983-01-071983-12-31
19841984-02-091984-12-10
19851985-02-131985-12-31
19921992-02-281992-12-03
19931993-03-061993-12-10
19941994-01-021994-11-26
19951995-02-021995-12-14
19961996-01-091996-12-12
19971997-01-021997-12-16
19981998-01-011998-12-29
19991999-01-041999-11-30
20002000-01-102000-12-21
20012001-01-042001-12-29
20022002-01-062002-12-28
20032003-01-022003-12-25
20042004-01-022004-12-30
20052005-01-102005-12-31
20062006-01-012006-12-18
20072007-01-082007-12-30
20082008-01-032008-11-26
20092009-01-122009-12-17
20102010-01-092010-12-23

Every Fixed Threshold

Fixed thresholds at Hornos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days433072003275
35 C (95 F): Days432222005187
40 C (104 F): Days43106200581
45 C (113 F): Days15920051
90 F (32.2 C): Days432522003227
100 F (37.8 C): Days431592005116
110 F (43.3 C): Days301820056
0 C (32 F): Frost days (min8519711
20 C (68 F): Tropical nights (min43138200094
25 C (77 F): Days with min4364197730
10 mm (0.39 in): Days with 10 mm or more rain441919848
25 mm (0.98 in): Days with 25 mm or more rain441019924
50 mm (1.97 in): Days with 50 mm or more rain33419681
100 mm (3.94 in): Days with 100 mm or more rain8219681
200 mm (7.87 in): Days with 200 mm or more rain1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Hornos 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).