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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

El Testerazo Threshold Days by Year (MXN00002024)

14 fixed thresholds counted per year at El Testerazo (MXN00002024): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Testerazo Thresholds

  • El Testerazo: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1978 with 20.
  • El Testerazo: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1999 with 189.
  • El Testerazo: days with a maximum temperature at or above 35 C (95 F) in 18 years, most in 2006 with 114.
  • El Testerazo: days with a maximum temperature at or above 40 C (104 F) in 18 years, most in 2006 with 45.
  • 14 fixed thresholds have at least one qualifying day at El Testerazo.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at El Testerazo Days per year at El Testerazo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 189 in 1999. 0501001502001975: 1381976: 1311977: 1511978: 1441979: 1291996: 1401997: 1791998: 1221999: 1892000: 1452001: 1712002: 1572003: 1322006: 1792007: 1662009: 1702010: 1342011: 141197519771979199719992001200320072010
Days per year at El Testerazo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 189 in 1999.
Days at or above 30 C (86 F) per year at El Testerazo
YearDaysDecade average
1975138138.6
1976131138.6
1977151138.6
1978144138.6
1979129138.6
1996140157.5
1997179157.5
1998122157.5
1999189157.5
2000145160
2001171160
2002157160
2003132160
2006179160
2007166160
2009170160
2010134137.5
2011141137.5
First to last qualifying date each year at El Testerazo For each year, a bar from the first to the last day at El Testerazo meeting 30 C (86 F). 1975: 14 January 1975 to 9 December 19751976: 17 January 1976 to 8 November 19761977: 13 February 1977 to 5 December 19771978: 17 March 1978 to 8 November 19781979: 14 April 1979 to 17 December 19791996: 19 March 1996 to 8 December 19961997: 7 March 1997 to 22 November 19971998: 23 March 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 15 January 2000 to 5 December 20002001: 4 February 2001 to 15 November 20012002: 8 January 2002 to 22 November 20022003: 5 January 2003 to 30 October 20032006: 10 January 2006 to 26 December 20062007: 6 February 2007 to 6 December 20072009: 2 March 2009 to 11 November 20092010: 4 May 2010 to 14 December 20102011: 19 January 2011 to 29 November 2011197519781997200020032009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at El Testerazo meeting 30 C (86 F).
First to last qualifying date each year at El Testerazo
YearFirst dateLast date
19751975-01-141975-12-09
19761976-01-171976-11-08
19771977-02-131977-12-05
19781978-03-171978-11-08
19791979-04-141979-12-17
19961996-03-191996-12-08
19971997-03-071997-11-22
19981998-03-231998-12-31
19991999-01-011999-12-31
20002000-01-152000-12-05
20012001-02-042001-11-15
20022002-01-082002-11-22
20032003-01-052003-10-30
20062006-01-102006-12-26
20072007-02-062007-12-06
20092009-03-022009-11-11
20102010-05-042010-12-14
20112011-01-192011-11-29

Every Fixed Threshold

Fixed thresholds at El Testerazo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days181891999141
35 C (95 F): Days18114200685
40 C (104 F): Days1845200620
45 C (113 F): Days6420064
90 F (32.2 C): Days181412006106
100 F (37.8 C): Days1873200640
110 F (43.3 C): Days13920062
120 F (48.9 C): Days1119991
0 C (32 F): Frost days (min1754200232
20 C (68 F): Tropical nights (min1420200610
25 C (77 F): Days with min1420064
10 mm (0.39 in): Days with 10 mm or more rain232019789
25 mm (0.98 in): Days with 25 mm or more rain17619785
50 mm (1.97 in): Days with 50 mm or more rain4220112

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 El Testerazo 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).