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Built 2026-10-19 (19 October 2026)

Caopas Threshold Days by Year (MXN00032010)

11 fixed thresholds counted per year at Caopas (MXN00032010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Caopas Thresholds

  • Caopas: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1983 with 170.
  • Caopas: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1972 with 31.
  • Caopas: days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 1983 with 132.
  • Caopas: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1991 with 69.
  • 11 fixed thresholds have at least one qualifying day at Caopas.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Caopas Days per year at Caopas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 170 in 1983. 0501001502001971: 1501972: 971974: 741975: 1161976: 841977: 1281978: 731979: 1291980: 991981: 1251982: 1431983: 1701984: 1241988: 221989: 881990: 481991: 261992: 321993: 781994: 221995: 961996: 1071997: 1261998: 1111999: 1192005: 1092006: 762007: 472010: 1012012: 811971197519781981198419901993199619992007
Days per year at Caopas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 170 in 1983.
Days at or above 30 C (86 F) per year at Caopas
YearDaysDecade average
1971150106.4
197297106.4
197474106.4
1975116106.4
197684106.4
1977128106.4
197873106.4
1979129106.4
198099110.1
1981125110.1
1982143110.1
1983170110.1
1984124110.1
198822110.1
198988110.1
19904876.5
19912676.5
19923276.5
19937876.5
19942276.5
19959676.5
199610776.5
199712676.5
199811176.5
199911976.5
200510977.3
20067677.3
20074777.3
201010191
20128191
First to last qualifying date each year at Caopas For each year, a bar from the first to the last day at Caopas meeting 30 C (86 F). 1971: 13 January 1971 to 4 November 19711972: 5 April 1972 to 9 November 19721974: 25 April 1974 to 12 September 19741975: 3 March 1975 to 15 October 19751976: 16 February 1976 to 4 October 19761977: 18 March 1977 to 17 October 19771978: 3 May 1978 to 17 December 19781979: 1 April 1979 to 5 November 19791980: 4 April 1980 to 22 September 19801981: 28 February 1981 to 18 November 19811982: 11 February 1982 to 2 November 19821983: 2 March 1983 to 3 November 19831984: 28 March 1984 to 24 November 19841988: 22 April 1988 to 20 September 19881989: 9 April 1989 to 13 October 19891990: 23 April 1990 to 28 June 19901991: 19 March 1991 to 27 June 19911992: 13 June 1992 to 10 September 19921993: 25 February 1993 to 25 November 19931994: 13 April 1994 to 21 August 19941995: 23 March 1995 to 10 October 19951996: 4 March 1996 to 1 November 19961997: 5 March 1997 to 16 October 19971998: 2 May 1998 to 30 October 19981999: 6 April 1999 to 7 October 19992005: 24 March 2005 to 2 October 20052006: 6 March 2006 to 4 October 20062007: 13 April 2007 to 18 October 20072010: 31 March 2010 to 27 October 20102012: 14 March 2012 to 11 October 201219711976198019841991199519992010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Caopas meeting 30 C (86 F).
First to last qualifying date each year at Caopas
YearFirst dateLast date
19711971-01-131971-11-04
19721972-04-051972-11-09
19741974-04-251974-09-12
19751975-03-031975-10-15
19761976-02-161976-10-04
19771977-03-181977-10-17
19781978-05-031978-12-17
19791979-04-011979-11-05
19801980-04-041980-09-22
19811981-02-281981-11-18
19821982-02-111982-11-02
19831983-03-021983-11-03
19841984-03-281984-11-24
19881988-04-221988-09-20
19891989-04-091989-10-13
19901990-04-231990-06-28
19911991-03-191991-06-27
19921992-06-131992-09-10
19931993-02-251993-11-25
19941994-04-131994-08-21
19951995-03-231995-10-10
19961996-03-041996-11-01
19971997-03-051997-10-16
19981998-05-021998-10-30
19991999-04-061999-10-07
20052005-03-242005-10-02
20062006-03-062006-10-04
20072007-04-132007-10-18
20102010-03-312010-10-27
20122012-03-142012-10-11

Every Fixed Threshold

Fixed thresholds at Caopas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days30170198381
35 C (95 F): Days197219837
40 C (104 F): Days2319802
90 F (32.2 C): Days27132198316
100 F (37.8 C): Days5719802
0 C (32 F): Frost days (min2769199125
-10 C (14 F): Days with min1219972
20 C (68 F): Tropical nights (min2119961
10 mm (0.39 in): Days with 10 mm or more rain293119729
25 mm (0.98 in): Days with 25 mm or more rain271319721
50 mm (1.97 in): Days with 50 mm or more rain6219721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Caopas 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).