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Built 2026-10-19 (19 October 2026)

Coroneo Threshold Days by Year (MXN00011012)

8 fixed thresholds counted per year at Coroneo (MXN00011012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coroneo Thresholds

  • Coroneo: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1982 with 82.
  • Coroneo: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1976 with 38.
  • Coroneo: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1971 with 12.
  • Coroneo: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 2010 with 29.
  • 8 fixed thresholds have at least one qualifying day at Coroneo.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Coroneo Days per year at Coroneo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1982. 02550751001963: 81964: 211965: 91966: 101967: 81968: 11969: 141970: 211971: 111972: 141973: 161974: 41975: 131976: 41977: 61978: 41979: 11980: 251981: 21982: 821983: 191984: 91985: 91986: 291987: 91988: 451989: 161990: 141991: 561992: 71994: 161996: 131997: 31998: 522003: 382004: 12005: 292006: 142007: 132008: 172009: 252010: 242011: 452012: 11196319681973197819831988199420042009
Days per year at Coroneo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1982.
Days at or above 30 C (86 F) per year at Coroneo
YearDaysDecade average
1963810.1
19642110.1
1965910.1
19661010.1
1967810.1
1968110.1
19691410.1
1970219.4
1971119.4
1972149.4
1973169.4
197449.4
1975139.4
197649.4
197769.4
197849.4
197919.4
19802524.5
1981224.5
19828224.5
19831924.5
1984924.5
1985924.5
19862924.5
1987924.5
19884524.5
19891624.5
19901423
19915623
1992723
19941623
19961323
1997323
19985223
20033819.6
2004119.6
20052919.6
20061419.6
20071319.6
20081719.6
20092519.6
20102426.7
20114526.7
20121126.7
First to last qualifying date each year at Coroneo For each year, a bar from the first to the last day at Coroneo meeting 30 C (86 F). 1963: 11 April 1963 to 30 April 19631964: 7 April 1964 to 27 July 19641965: 6 May 1965 to 28 May 19651966: 23 April 1966 to 14 August 19661967: 22 April 1967 to 29 May 19671968: 8 June 1968 to 8 June 19681969: 21 April 1969 to 17 June 19691970: 31 March 1970 to 2 October 19701971: 23 April 1971 to 11 June 19711972: 7 April 1972 to 22 May 19721973: 17 March 1973 to 3 June 19731974: 10 May 1974 to 16 May 19741975: 2 April 1975 to 6 June 19751976: 21 March 1976 to 26 May 19761977: 17 March 1977 to 9 October 19771978: 18 April 1978 to 24 May 19781979: 24 May 1979 to 24 May 19791980: 9 March 1980 to 20 June 19801981: 29 April 1981 to 18 May 19811982: 10 March 1982 to 27 June 19821983: 27 April 1983 to 21 June 19831984: 29 March 1984 to 22 May 19841985: 29 April 1985 to 2 June 19851986: 3 April 1986 to 18 November 19861987: 22 April 1987 to 1 July 19871988: 25 March 1988 to 12 June 19881989: 21 May 1989 to 18 July 19891990: 30 April 1990 to 1 June 19901991: 8 March 1991 to 9 June 19911992: 27 June 1992 to 3 July 19921994: 14 April 1994 to 31 May 19941996: 19 May 1996 to 3 June 19961997: 15 June 1997 to 17 June 19971998: 21 January 1998 to 27 June 19982003: 5 March 2003 to 1 June 20032004: 18 May 2004 to 18 May 20042005: 6 April 2005 to 19 June 20052006: 14 March 2006 to 11 May 20062007: 22 April 2007 to 26 July 20072008: 2 April 2008 to 7 June 20082009: 1 January 2009 to 27 September 20092010: 3 May 2010 to 10 June 20102011: 29 March 2011 to 19 June 20112012: 28 April 2012 to 12 June 201219631969197519811987199420052011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coroneo meeting 30 C (86 F).
First to last qualifying date each year at Coroneo
YearFirst dateLast date
19631963-04-111963-04-30
19641964-04-071964-07-27
19651965-05-061965-05-28
19661966-04-231966-08-14
19671967-04-221967-05-29
19681968-06-081968-06-08
19691969-04-211969-06-17
19701970-03-311970-10-02
19711971-04-231971-06-11
19721972-04-071972-05-22
19731973-03-171973-06-03
19741974-05-101974-05-16
19751975-04-021975-06-06
19761976-03-211976-05-26
19771977-03-171977-10-09
19781978-04-181978-05-24
19791979-05-241979-05-24
19801980-03-091980-06-20
19811981-04-291981-05-18
19821982-03-101982-06-27
19831983-04-271983-06-21
19841984-03-291984-05-22
19851985-04-291985-06-02
19861986-04-031986-11-18
19871987-04-221987-07-01
19881988-03-251988-06-12
19891989-05-211989-07-18
19901990-04-301990-06-01
19911991-03-081991-06-09
19921992-06-271992-07-03
19941994-04-141994-05-31
19961996-05-191996-06-03
19971997-06-151997-06-17
19981998-01-211998-06-27
20032003-03-052003-06-01
20042004-05-182004-05-18
20052005-04-062005-06-19
20062006-03-142006-05-11
20072007-04-222007-07-26
20082008-04-022008-06-07
20092009-01-012009-09-27
20102010-05-032010-06-10
20112011-03-292011-06-19
20122012-04-282012-06-12

Every Fixed Threshold

Fixed thresholds at Coroneo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4482198211
35 C (95 F): Days1519835
90 F (32.2 C): Days242219821
0 C (32 F): Frost days (min2729201010
20 C (68 F): Tropical nights (min1219782
10 mm (0.39 in): Days with 10 mm or more rain4438197622
25 mm (0.98 in): Days with 25 mm or more rain421219713
50 mm (1.97 in): Days with 50 mm or more rain15219661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Coroneo 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).