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Built 2026-10-19 (19 October 2026)

Cerano Threshold Days by Year (MXN00011010)

9 fixed thresholds counted per year at Cerano (MXN00011010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cerano Thresholds

  • Cerano: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1973 with 42.
  • Cerano: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 2009 with 143.
  • Cerano: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1976 with 15.
  • Cerano: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1969 with 73.
  • 9 fixed thresholds have at least one qualifying day at Cerano.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Cerano Days per year at Cerano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2009. 0501001501963: 821964: 821965: 841966: 521967: 791968: 831969: 1221970: 881971: 841972: 901973: 1031974: 771975: 851976: 871977: 801978: 791979: 1071980: 971981: 451982: 981984: 411985: 101987: 471988: 351989: 711990: 391991: 321995: 281996: 401997: 261998: 92000: 692001: 512002: 462003: 692004: 492005: 902006: 702007: 812008: 752009: 1432010: 992011: 942012: 65196319681973197819841990199820042009
Days per year at Cerano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2009.
Days at or above 30 C (86 F) per year at Cerano
YearDaysDecade average
19638283.4
19648283.4
19658483.4
19665283.4
19677983.4
19688383.4
196912283.4
19708888
19718488
19729088
197310388
19747788
19758588
19768788
19778088
19787988
197910788
19809755.5
19814555.5
19829855.5
19844155.5
19851055.5
19874755.5
19883555.5
19897155.5
19903929
19913229
19952829
19964029
19972629
1998929
20006974.3
20015174.3
20024674.3
20036974.3
20044974.3
20059074.3
20067074.3
20078174.3
20087574.3
200914374.3
20109986
20119486
20126586
First to last qualifying date each year at Cerano For each year, a bar from the first to the last day at Cerano meeting 30 C (86 F). 1963: 8 March 1963 to 16 July 19631964: 10 March 1964 to 12 August 19641965: 9 March 1965 to 23 June 19651966: 10 April 1966 to 19 July 19661967: 16 February 1967 to 2 August 19671968: 15 March 1968 to 2 September 19681969: 24 February 1969 to 14 November 19691970: 9 March 1970 to 28 October 19701971: 17 February 1971 to 7 July 19711972: 27 February 1972 to 14 November 19721973: 7 February 1973 to 2 September 19731974: 4 March 1974 to 4 July 19741975: 18 February 1975 to 25 October 19751976: 10 March 1976 to 25 June 19761977: 5 March 1977 to 11 October 19771978: 13 March 1978 to 29 August 19781979: 13 March 1979 to 22 October 19791980: 6 March 1980 to 7 August 19801981: 30 March 1981 to 13 June 19811982: 10 March 1982 to 8 July 19821984: 7 March 1984 to 12 June 19841985: 12 May 1985 to 21 August 19851987: 19 March 1987 to 16 August 19871988: 5 March 1988 to 27 December 19881989: 3 March 1989 to 27 December 19891990: 10 January 1990 to 26 December 19901991: 8 January 1991 to 22 December 19911995: 7 January 1995 to 25 December 19951996: 15 January 1996 to 7 December 19961997: 9 January 1997 to 9 November 19971998: 7 September 1998 to 23 December 19982000: 22 January 2000 to 25 November 20002001: 6 January 2001 to 16 September 20012002: 14 March 2002 to 20 November 20022003: 26 February 2003 to 14 June 20032004: 1 March 2004 to 23 October 20042005: 10 February 2005 to 24 October 20052006: 17 February 2006 to 31 July 20062007: 16 February 2007 to 18 October 20072008: 18 March 2008 to 12 August 20082009: 16 February 2009 to 11 December 20092010: 5 March 2010 to 2 November 20102011: 25 February 2011 to 23 August 20112012: 2 March 2012 to 27 October 201219631969197519811989199820052011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cerano meeting 30 C (86 F).
First to last qualifying date each year at Cerano
YearFirst dateLast date
19631963-03-081963-07-16
19641964-03-101964-08-12
19651965-03-091965-06-23
19661966-04-101966-07-19
19671967-02-161967-08-02
19681968-03-151968-09-02
19691969-02-241969-11-14
19701970-03-091970-10-28
19711971-02-171971-07-07
19721972-02-271972-11-14
19731973-02-071973-09-02
19741974-03-041974-07-04
19751975-02-181975-10-25
19761976-03-101976-06-25
19771977-03-051977-10-11
19781978-03-131978-08-29
19791979-03-131979-10-22
19801980-03-061980-08-07
19811981-03-301981-06-13
19821982-03-101982-07-08
19841984-03-071984-06-12
19851985-05-121985-08-21
19871987-03-191987-08-16
19881988-03-051988-12-27
19891989-03-031989-12-27
19901990-01-101990-12-26
19911991-01-081991-12-22
19951995-01-071995-12-25
19961996-01-151996-12-07
19971997-01-091997-11-09
19981998-09-071998-12-23
20002000-01-222000-11-25
20012001-01-062001-09-16
20022002-03-142002-11-20
20032003-02-262003-06-14
20042004-03-012004-10-23
20052005-02-102005-10-24
20062006-02-172006-07-31
20072007-02-162007-10-18
20082008-03-182008-08-12
20092009-02-162009-12-11
20102010-03-052010-11-02
20112011-02-252011-08-23
20122012-03-022012-10-27

Every Fixed Threshold

Fixed thresholds at Cerano
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days44143200965
35 C (95 F): Days341719691
90 F (32.2 C): Days3973196921
0 C (32 F): Frost days (min271420103
20 C (68 F): Tropical nights (min142199542
25 C (77 F): Days with min1119951
10 mm (0.39 in): Days with 10 mm or more rain4542197327
25 mm (0.98 in): Days with 25 mm or more rain411519768
50 mm (1.97 in): Days with 50 mm or more rain17319812

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 Cerano 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).