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Built 2026-10-19 (19 October 2026)

E.T.A. 040 Amacuzac Threshold Days by Year (MXN00017044)

14 fixed thresholds counted per year at E.T.A. 040 Amacuzac (MXN00017044): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for E.T.A. 040 Amacuzac Thresholds

  • E.T.A. 040 Amacuzac: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2000 with 364.
  • E.T.A. 040 Amacuzac: days with a maximum temperature at or above 35 C (95 F) in 35 years, most in 1998 with 159.
  • E.T.A. 040 Amacuzac: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1997 with 305.
  • E.T.A. 040 Amacuzac: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 2010 with 191.
  • 14 fixed thresholds have at least one qualifying day at E.T.A. 040 Amacuzac.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at E.T.A. 040 Amacuzac Days per year at E.T.A. 040 Amacuzac with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 364 in 2000. 01002003004001976: 1961977: 3061978: 2701979: 3201980: 2931981: 2991982: 3351983: 2801984: 2231985: 2141986: 3181987: 3251988: 2991989: 2871990: 2951991: 3051993: 3381994: 3131995: 3191996: 3591997: 3631998: 3601999: 3502000: 3642001: 2672002: 3062003: 2812004: 3392005: 3052006: 2132007: 1942008: 2042009: 2162010: 2912011: 317197619801984198819931997200120052009
Days per year at E.T.A. 040 Amacuzac with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 364 in 2000.
Days at or above 30 C (86 F) per year at E.T.A. 040 Amacuzac
YearDaysDecade average
1976196273
1977306273
1978270273
1979320273
1980293287.3
1981299287.3
1982335287.3
1983280287.3
1984223287.3
1985214287.3
1986318287.3
1987325287.3
1988299287.3
1989287287.3
1990295333.6
1991305333.6
1993338333.6
1994313333.6
1995319333.6
1996359333.6
1997363333.6
1998360333.6
1999350333.6
2000364268.9
2001267268.9
2002306268.9
2003281268.9
2004339268.9
2005305268.9
2006213268.9
2007194268.9
2008204268.9
2009216268.9
2010291304
2011317304
First to last qualifying date each year at E.T.A. 040 Amacuzac For each year, a bar from the first to the last day at E.T.A. 040 Amacuzac meeting 30 C (86 F). 1976: 4 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 30 December 19791980: 1 January 1980 to 29 December 19801981: 6 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 28 December 19831984: 6 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 30 December 19861987: 2 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 4 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 2 December 19941995: 15 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 14 October 20012002: 21 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 9 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 23 August 20062007: 31 January 2007 to 3 November 20072008: 16 February 2008 to 11 October 20082009: 29 January 2009 to 7 October 20092010: 23 February 2010 to 27 December 20102011: 5 January 2011 to 31 December 20111976198119861991199720022007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at E.T.A. 040 Amacuzac meeting 30 C (86 F).
First to last qualifying date each year at E.T.A. 040 Amacuzac
YearFirst dateLast date
19761976-01-041976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-30
19801980-01-011980-12-29
19811981-01-061981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-28
19841984-01-061984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-30
19871987-01-021987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
19901990-01-041990-12-31
19911991-01-011991-12-31
19931993-01-011993-12-31
19941994-01-011994-12-02
19951995-01-151995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-12-31
20012001-01-012001-10-14
20022002-01-212002-12-31
20032003-01-012003-12-31
20042004-01-092004-12-31
20052005-01-012005-12-31
20062006-01-012006-08-23
20072007-01-312007-11-03
20082008-02-162008-10-11
20092009-01-292009-10-07
20102010-02-232010-12-27
20112011-01-052011-12-31

Every Fixed Threshold

Fixed thresholds at E.T.A. 040 Amacuzac
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days353642000317
35 C (95 F): Days351591998125
40 C (104 F): Days166019981
45 C (113 F): Days1119981
90 F (32.2 C): Days353051997187
100 F (37.8 C): Days3393199838
110 F (43.3 C): Days1119981
0 C (32 F): Frost days (min1119781
20 C (68 F): Tropical nights (min35191201054
25 C (77 F): Days with min223201023
10 mm (0.39 in): Days with 10 mm or more rain3551199039
25 mm (0.98 in): Days with 25 mm or more rain3518199011
50 mm (1.97 in): Days with 50 mm or more rain27519813
100 mm (3.94 in): Days with 100 mm or more rain1219872

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for E.T.A. 040 Amacuzac 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).