Built 2026-10-19 (19 October 2026)

Santiaguillo Threshold Days by Year (MXN00024079)

15 fixed thresholds counted per year at Santiaguillo (MXN00024079): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santiaguillo Thresholds

  • Santiaguillo: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1972 with 47.
  • Santiaguillo: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1984 with 29.
  • Santiaguillo: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1976 with 15.
  • Santiaguillo: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 1994 with 5.
  • 15 fixed thresholds have at least one qualifying day at Santiaguillo.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Santiaguillo Days per year at Santiaguillo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 316 in 2004. 01002003004001999: 2612000: 2942001: 2902002: 2912003: 3082004: 3162005: 3012006: 3022007: 2872008: 2622009: 842010: 107199920012003200520072009
Days per year at Santiaguillo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 316 in 2004.
Days at or above 30 C (86 F) per year at Santiaguillo
YearDaysDecade average
1999261261
2000294273.5
2001290273.5
2002291273.5
2003308273.5
2004316273.5
2005301273.5
2006302273.5
2007287273.5
2008262273.5
200984273.5
2010107107
First to last qualifying date each year at Santiaguillo For each year, a bar from the first to the last day at Santiaguillo meeting 30 C (86 F). 1999: 1 January 1999 to 29 December 19992000: 1 January 2000 to 18 December 20002001: 23 January 2001 to 31 December 20012002: 5 January 2002 to 25 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 30 December 20042005: 1 January 2005 to 30 December 20052006: 1 January 2006 to 22 December 20062007: 1 January 2007 to 30 December 20072008: 5 January 2008 to 25 December 20082009: 5 January 2009 to 25 December 20092010: 21 January 2010 to 30 November 2010199920012003200520072009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santiaguillo meeting 30 C (86 F).
First to last qualifying date each year at Santiaguillo
YearFirst dateLast date
19991999-01-011999-12-29
20002000-01-012000-12-18
20012001-01-232001-12-31
20022002-01-052002-12-25
20032003-01-012003-12-31
20042004-01-012004-12-30
20052005-01-012005-12-30
20062006-01-012006-12-22
20072007-01-012007-12-30
20082008-01-052008-12-25
20092009-01-052009-12-25
20102010-01-212010-11-30

Every Fixed Threshold

Fixed thresholds at Santiaguillo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days123162004107
35 C (95 F): Days12227200313
40 C (104 F): Days108220033
45 C (113 F): Days71120034
90 F (32.2 C): Days12256200335
100 F (37.8 C): Days11152200310
110 F (43.3 C): Days71920036
120 F (48.9 C): Days1220012
20 C (68 F): Tropical nights (min12203200714
25 C (77 F): Days with min72420041
10 mm (0.39 in): Days with 10 mm or more rain3347197244
25 mm (0.98 in): Days with 25 mm or more rain3329198422
50 mm (1.97 in): Days with 50 mm or more rain311519767
100 mm (3.94 in): Days with 100 mm or more rain21519942
200 mm (7.87 in): Days with 200 mm or more rain3119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Santiaguillo 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).