Built 2026-10-19 (19 October 2026)

Santiago Bayacora Threshold Days by Year (MXN00010076)

13 fixed thresholds counted per year at Santiago Bayacora (MXN00010076): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santiago Bayacora Thresholds

  • Santiago Bayacora: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1991 with 32.
  • Santiago Bayacora: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1993 with 10.
  • Santiago Bayacora: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1977 with 264.
  • Santiago Bayacora: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 1979 with 103.
  • 13 fixed thresholds have at least one qualifying day at Santiago Bayacora.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Santiago Bayacora Days per year at Santiago Bayacora with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 264 in 1977. 01002003001964: 1421965: 2001966: 1681968: 1551969: 1781970: 1891971: 1701972: 2171974: 2191975: 2441976: 1931977: 2641978: 2091979: 2421980: 2391981: 1801982: 2441983: 1691984: 1341986: 1221989: 1721990: 1081991: 1331992: 1721993: 981995: 1181996: 1061997: 1001998: 871999: 912000: 822001: 982002: 952003: 782004: 762005: 1152006: 1052007: 891964196919741978198219891993199820022006
Days per year at Santiago Bayacora with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 264 in 1977.
Days at or above 30 C (86 F) per year at Santiago Bayacora
YearDaysDecade average
1964142168.6
1965200168.6
1966168168.6
1968155168.6
1969178168.6
1970189216.3
1971170216.3
1972217216.3
1974219216.3
1975244216.3
1976193216.3
1977264216.3
1978209216.3
1979242216.3
1980239180
1981180180
1982244180
1983169180
1984134180
1986122180
1989172180
1990108112.6
1991133112.6
1992172112.6
199398112.6
1995118112.6
1996106112.6
1997100112.6
199887112.6
199991112.6
20008292.3
20019892.3
20029592.3
20037892.3
20047692.3
200511592.3
200610592.3
20078992.3
First to last qualifying date each year at Santiago Bayacora For each year, a bar from the first to the last day at Santiago Bayacora meeting 30 C (86 F). 1964: 10 February 1964 to 31 December 19641965: 4 January 1965 to 31 December 19651966: 11 March 1966 to 6 December 19661968: 21 February 1968 to 12 November 19681969: 26 January 1969 to 24 December 19691970: 14 March 1970 to 28 December 19701971: 19 January 1971 to 26 December 19711972: 25 January 1972 to 8 November 19721974: 1 January 1974 to 23 November 19741975: 9 January 1975 to 8 December 19751976: 7 February 1976 to 28 December 19761977: 3 January 1977 to 31 December 19771978: 1 January 1978 to 5 December 19781979: 13 February 1979 to 28 November 19791980: 1 February 1980 to 14 November 19801981: 24 February 1981 to 22 November 19811982: 9 February 1982 to 24 November 19821983: 1 March 1983 to 4 December 19831984: 15 February 1984 to 14 November 19841986: 28 January 1986 to 7 September 19861989: 11 February 1989 to 14 November 19891990: 30 January 1990 to 28 September 19901991: 13 February 1991 to 2 November 19911992: 6 March 1992 to 31 December 19921993: 12 January 1993 to 21 August 19931995: 21 March 1995 to 6 October 19951996: 21 February 1996 to 13 August 19961997: 22 April 1997 to 2 November 19971998: 24 March 1998 to 5 October 19981999: 20 March 1999 to 28 September 19992000: 26 March 2000 to 5 October 20002001: 2 April 2001 to 21 September 20012002: 26 March 2002 to 9 September 20022003: 8 March 2003 to 10 August 20032004: 19 March 2004 to 21 October 20042005: 28 March 2005 to 21 October 20052006: 17 February 2006 to 23 July 20062007: 22 February 2007 to 19 October 200719641970197619811989199520002005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santiago Bayacora meeting 30 C (86 F).
First to last qualifying date each year at Santiago Bayacora
YearFirst dateLast date
19641964-02-101964-12-31
19651965-01-041965-12-31
19661966-03-111966-12-06
19681968-02-211968-11-12
19691969-01-261969-12-24
19701970-03-141970-12-28
19711971-01-191971-12-26
19721972-01-251972-11-08
19741974-01-011974-11-23
19751975-01-091975-12-08
19761976-02-071976-12-28
19771977-01-031977-12-31
19781978-01-011978-12-05
19791979-02-131979-11-28
19801980-02-011980-11-14
19811981-02-241981-11-22
19821982-02-091982-11-24
19831983-03-011983-12-04
19841984-02-151984-11-14
19861986-01-281986-09-07
19891989-02-111989-11-14
19901990-01-301990-09-28
19911991-02-131991-11-02
19921992-03-061992-12-31
19931993-01-121993-08-21
19951995-03-211995-10-06
19961996-02-211996-08-13
19971997-04-221997-11-02
19981998-03-241998-10-05
19991999-03-201999-09-28
20002000-03-262000-10-05
20012001-04-022001-09-21
20022002-03-262002-09-09
20032003-03-082003-08-10
20042004-03-192004-10-21
20052005-03-282005-10-21
20062006-02-172006-07-23
20072007-02-222007-10-19

Every Fixed Threshold

Fixed thresholds at Santiago Bayacora
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days38264197789
35 C (95 F): Days3810319796
40 C (104 F): Days92319791
45 C (113 F): Days1119821
90 F (32.2 C): Days38175198031
100 F (37.8 C): Days234819791
110 F (43.3 C): Days1119821
0 C (32 F): Frost days (min364419796
-10 C (14 F): Days with min3319791
20 C (68 F): Tropical nights (min2219721
10 mm (0.39 in): Days with 10 mm or more rain4132199114
25 mm (0.98 in): Days with 25 mm or more rain411019932
50 mm (1.97 in): Days with 50 mm or more rain18319961

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 Santiago Bayacora 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).