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

Ciano Threshold Days by Year (MXN00026019)

14 fixed thresholds counted per year at Ciano (MXN00026019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ciano Thresholds

  • Ciano: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1996 with 264.
  • Ciano: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1997 with 197.
  • Ciano: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 2006 with 221.
  • Ciano: days with a maximum temperature at or above 100 F (37.8 C) in 40 years, most in 2011 with 129.
  • 14 fixed thresholds have at least one qualifying day at Ciano.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Ciano Days per year at Ciano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 264 in 1996. 01002003001969: 2231970: 2251971: 2131972: 2221974: 2171975: 2101976: 2031977: 2191978: 2171979: 1981980: 1991981: 2071982: 2071983: 1801984: 1761985: 1881987: 2111988: 2061989: 2141990: 2101991: 2011992: 2291993: 2601994: 2451995: 2471996: 2641997: 2591998: 2311999: 2432000: 2482001: 2282002: 2372003: 2432004: 2492005: 2442006: 2472007: 2022008: 2492009: 2552011: 2291969197419781982198719911995199920032007
Days per year at Ciano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 264 in 1996.
Days at or above 30 C (86 F) per year at Ciano
YearDaysDecade average
1969223223
1970225213.8
1971213213.8
1972222213.8
1974217213.8
1975210213.8
1976203213.8
1977219213.8
1978217213.8
1979198213.8
1980199198.7
1981207198.7
1982207198.7
1983180198.7
1984176198.7
1985188198.7
1987211198.7
1988206198.7
1989214198.7
1990210238.9
1991201238.9
1992229238.9
1993260238.9
1994245238.9
1995247238.9
1996264238.9
1997259238.9
1998231238.9
1999243238.9
2000248240.2
2001228240.2
2002237240.2
2003243240.2
2004249240.2
2005244240.2
2006247240.2
2007202240.2
2008249240.2
2009255240.2
2011229229
First to last qualifying date each year at Ciano For each year, a bar from the first to the last day at Ciano meeting 30 C (86 F). 1969: 19 March 1969 to 20 November 19691970: 14 March 1970 to 23 November 19701971: 13 February 1971 to 13 November 19711972: 19 February 1972 to 7 November 19721974: 28 February 1974 to 6 December 19741975: 24 February 1975 to 16 November 19751976: 17 March 1976 to 21 November 19761977: 7 March 1977 to 22 December 19771978: 5 February 1978 to 1 December 19781979: 7 March 1979 to 8 December 19791980: 10 March 1980 to 17 December 19801981: 5 April 1981 to 12 December 19811982: 5 April 1982 to 15 November 19821983: 31 March 1983 to 2 November 19831984: 13 April 1984 to 9 December 19841985: 11 March 1985 to 31 December 19851987: 9 February 1987 to 20 November 19871988: 20 March 1988 to 12 November 19881989: 11 March 1989 to 16 November 19891990: 20 March 1990 to 19 November 19901991: 8 February 1991 to 10 December 19911992: 28 February 1992 to 4 December 19921993: 7 February 1993 to 30 November 19931994: 5 January 1994 to 26 November 19941995: 4 February 1995 to 3 December 19951996: 12 January 1996 to 29 November 19961997: 14 February 1997 to 18 December 19971998: 26 January 1998 to 14 December 19981999: 7 January 1999 to 5 December 19992000: 12 January 2000 to 2 November 20002001: 1 January 2001 to 22 November 20012002: 24 February 2002 to 24 November 20022003: 27 January 2003 to 1 December 20032004: 1 January 2004 to 20 December 20042005: 21 February 2005 to 27 December 20052006: 2 January 2006 to 25 November 20062007: 9 January 2007 to 28 November 20072008: 3 January 2008 to 11 December 20082009: 1 January 2009 to 20 December 20092011: 17 February 2011 to 31 December 201119691975198019851991199620012006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ciano meeting 30 C (86 F).
First to last qualifying date each year at Ciano
YearFirst dateLast date
19691969-03-191969-11-20
19701970-03-141970-11-23
19711971-02-131971-11-13
19721972-02-191972-11-07
19741974-02-281974-12-06
19751975-02-241975-11-16
19761976-03-171976-11-21
19771977-03-071977-12-22
19781978-02-051978-12-01
19791979-03-071979-12-08
19801980-03-101980-12-17
19811981-04-051981-12-12
19821982-04-051982-11-15
19831983-03-311983-11-02
19841984-04-131984-12-09
19851985-03-111985-12-31
19871987-02-091987-11-20
19881988-03-201988-11-12
19891989-03-111989-11-16
19901990-03-201990-11-19
19911991-02-081991-12-10
19921992-02-281992-12-04
19931993-02-071993-11-30
19941994-01-051994-11-26
19951995-02-041995-12-03
19961996-01-121996-11-29
19971997-02-141997-12-18
19981998-01-261998-12-14
19991999-01-071999-12-05
20002000-01-122000-11-02
20012001-01-012001-11-22
20022002-02-242002-11-24
20032003-01-272003-12-01
20042004-01-012004-12-20
20052005-02-212005-12-27
20062006-01-022006-11-25
20072007-01-092007-11-28
20082008-01-032008-12-11
20092009-01-012009-12-20
20112011-02-172011-12-31

Every Fixed Threshold

Fixed thresholds at Ciano
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days402641996229
35 C (95 F): Days401971997180
40 C (104 F): Days31106200068
45 C (113 F): Days114200014
90 F (32.2 C): Days402212006198
100 F (37.8 C): Days401292011129
110 F (43.3 C): Days82020001
0 C (32 F): Frost days (min231119713
20 C (68 F): Tropical nights (min401511999134
25 C (77 F): Days with min3969200560
10 mm (0.39 in): Days with 10 mm or more rain392719909
25 mm (0.98 in): Days with 25 mm or more rain391219844
50 mm (1.97 in): Days with 50 mm or more rain26519722
100 mm (3.94 in): Days with 100 mm or more rain9319882

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Ciano 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).