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Built 2026-10-19 (19 October 2026)

Rayones Threshold Days by Year (MXN00019053)

13 fixed thresholds counted per year at Rayones (MXN00019053): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rayones Thresholds

  • Rayones: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2010 with 24.
  • Rayones: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1975 with 12.
  • Rayones: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1996 with 240.
  • Rayones: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1998 with 179.
  • 13 fixed thresholds have at least one qualifying day at Rayones.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Rayones Days per year at Rayones with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1996. 01002003001964: 1401965: 1331966: 1171967: 1201968: 561969: 211970: 201971: 21975: 1351976: 961977: 1491978: 1471979: 1441980: 1671981: 1511982: 1811983: 1361985: 1811987: 1751988: 2041989: 2111990: 2041991: 2011992: 1761993: 1971994: 2051996: 2401997: 2231998: 2362002: 1742003: 1982004: 1312005: 1142008: 1142009: 1612010: 1842011: 2181964196819751979198319891993199820052011
Days per year at Rayones with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 1996.
Days at or above 30 C (86 F) per year at Rayones
YearDaysDecade average
196414097.8
196513397.8
196611797.8
196712097.8
19685697.8
19692197.8
19702099
1971299
197513599
19769699
197714999
197814799
197914499
1980167175.8
1981151175.8
1982181175.8
1983136175.8
1985181175.8
1987175175.8
1988204175.8
1989211175.8
1990204210.3
1991201210.3
1992176210.3
1993197210.3
1994205210.3
1996240210.3
1997223210.3
1998236210.3
2002174148.7
2003198148.7
2004131148.7
2005114148.7
2008114148.7
2009161148.7
2010184201
2011218201
First to last qualifying date each year at Rayones For each year, a bar from the first to the last day at Rayones meeting 30 C (86 F). 1964: 10 March 1964 to 30 December 19641965: 1 January 1965 to 23 November 19651966: 4 March 1966 to 23 October 19661967: 6 January 1967 to 31 August 19671968: 31 March 1968 to 31 August 19681969: 10 May 1969 to 31 July 19691970: 28 April 1970 to 7 October 19701971: 30 April 1971 to 28 November 19711975: 11 January 1975 to 29 November 19751976: 1 January 1976 to 28 September 19761977: 22 February 1977 to 19 December 19771978: 16 January 1978 to 20 December 19781979: 13 January 1979 to 23 December 19791980: 10 January 1980 to 7 December 19801981: 9 February 1981 to 31 December 19811982: 2 January 1982 to 30 December 19821983: 30 January 1983 to 21 December 19831985: 27 January 1985 to 30 November 19851987: 28 January 1987 to 25 December 19871988: 12 January 1988 to 30 December 19881989: 5 January 1989 to 30 December 19891990: 11 January 1990 to 30 December 19901991: 13 January 1991 to 12 December 19911992: 24 February 1992 to 19 December 19921993: 9 January 1993 to 27 December 19931994: 6 January 1994 to 9 December 19941996: 1 January 1996 to 30 December 19961997: 2 January 1997 to 23 December 19971998: 4 January 1998 to 29 December 19982002: 10 January 2002 to 30 December 20022003: 21 January 2003 to 26 December 20032004: 4 January 2004 to 29 November 20042005: 13 February 2005 to 27 November 20052008: 9 January 2008 to 23 September 20082009: 18 February 2009 to 8 December 20092010: 19 January 2010 to 28 November 20102011: 19 January 2011 to 17 November 201119641969197719821989199420032010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rayones meeting 30 C (86 F).
First to last qualifying date each year at Rayones
YearFirst dateLast date
19641964-03-101964-12-30
19651965-01-011965-11-23
19661966-03-041966-10-23
19671967-01-061967-08-31
19681968-03-311968-08-31
19691969-05-101969-07-31
19701970-04-281970-10-07
19711971-04-301971-11-28
19751975-01-111975-11-29
19761976-01-011976-09-28
19771977-02-221977-12-19
19781978-01-161978-12-20
19791979-01-131979-12-23
19801980-01-101980-12-07
19811981-02-091981-12-31
19821982-01-021982-12-30
19831983-01-301983-12-21
19851985-01-271985-11-30
19871987-01-281987-12-25
19881988-01-121988-12-30
19891989-01-051989-12-30
19901990-01-111990-12-30
19911991-01-131991-12-12
19921992-02-241992-12-19
19931993-01-091993-12-27
19941994-01-061994-12-09
19961996-01-011996-12-30
19971997-01-021997-12-23
19981998-01-041998-12-29
20022002-01-102002-12-30
20032003-01-212003-12-26
20042004-01-042004-11-29
20052005-02-132005-11-27
20082008-01-092008-09-23
20092009-02-182009-12-08
20102010-01-192010-11-28
20112011-01-192011-11-17

Every Fixed Threshold

Fixed thresholds at Rayones
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days372401996218
35 C (95 F): Days331291998110
40 C (104 F): Days4919989
90 F (32.2 C): Days351791998160
100 F (37.8 C): Days183319988
0 C (32 F): Frost days (min3119199610
20 C (68 F): Tropical nights (min35123196638
25 C (77 F): Days with min111719873
10 mm (0.39 in): Days with 10 mm or more rain532420109
25 mm (0.98 in): Days with 25 mm or more rain471219753
50 mm (1.97 in): Days with 50 mm or more rain27319513
100 mm (3.94 in): Days with 100 mm or more rain5219771
200 mm (7.87 in): Days with 200 mm or more rain1120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Rayones 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).