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

Santa Rosa Threshold Days by Year (MXN00026249)

15 fixed thresholds counted per year at Santa Rosa (MXN00026249): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santa Rosa Thresholds

  • Santa Rosa: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1983 with 18.
  • Santa Rosa: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2007 with 238.
  • Santa Rosa: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 1989 with 162.
  • Santa Rosa: days with a maximum temperature at or above 40 C (104 F) in 29 years, most in 2002 with 71.
  • 15 fixed thresholds have at least one qualifying day at Santa Rosa.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Santa Rosa Days per year at Santa Rosa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 238 in 2007. 01002003001982: 1981983: 1731984: 1881985: 2061986: 2201987: 2181988: 2121989: 2311990: 2181991: 1981992: 2051993: 2001994: 2051995: 2161996: 2251997: 2171998: 1931999: 2332000: 2032001: 2172002: 2202003: 2262004: 2162005: 2152006: 2212007: 2382009: 2192010: 1962011: 2111982198519881991199419972000200320062010
Days per year at Santa Rosa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 238 in 2007.
Days at or above 30 C (86 F) per year at Santa Rosa
YearDaysDecade average
1982198205.8
1983173205.8
1984188205.8
1985206205.8
1986220205.8
1987218205.8
1988212205.8
1989231205.8
1990218211
1991198211
1992205211
1993200211
1994205211
1995216211
1996225211
1997217211
1998193211
1999233211
2000203219.4
2001217219.4
2002220219.4
2003226219.4
2004216219.4
2005215219.4
2006221219.4
2007238219.4
2009219219.4
2010196203.5
2011211203.5
First to last qualifying date each year at Santa Rosa For each year, a bar from the first to the last day at Santa Rosa meeting 30 C (86 F). 1982: 25 January 1982 to 7 November 19821983: 31 March 1983 to 2 November 19831984: 13 March 1984 to 13 November 19841985: 10 March 1985 to 8 November 19851986: 19 January 1986 to 13 November 19861987: 26 January 1987 to 4 December 19871988: 12 February 1988 to 14 November 19881989: 22 February 1989 to 12 November 19891990: 24 February 1990 to 19 November 19901991: 5 March 1991 to 9 November 19911992: 14 March 1992 to 15 November 19921993: 17 March 1993 to 10 November 19931994: 4 January 1994 to 6 November 19941995: 3 February 1995 to 25 November 19951996: 12 January 1996 to 21 November 19961997: 15 February 1997 to 26 November 19971998: 10 April 1998 to 27 November 19981999: 24 January 1999 to 30 November 19992000: 15 January 2000 to 19 October 20002001: 19 March 2001 to 20 November 20012002: 8 January 2002 to 23 October 20022003: 1 February 2003 to 22 November 20032004: 17 February 2004 to 5 November 20042005: 10 March 2005 to 12 November 20052006: 6 January 2006 to 24 November 20062007: 6 February 2007 to 28 November 20072009: 21 January 2009 to 11 November 20092010: 16 March 2010 to 7 November 20102011: 9 March 2011 to 25 October 201119821986199019941998200220062011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santa Rosa meeting 30 C (86 F).
First to last qualifying date each year at Santa Rosa
YearFirst dateLast date
19821982-01-251982-11-07
19831983-03-311983-11-02
19841984-03-131984-11-13
19851985-03-101985-11-08
19861986-01-191986-11-13
19871987-01-261987-12-04
19881988-02-121988-11-14
19891989-02-221989-11-12
19901990-02-241990-11-19
19911991-03-051991-11-09
19921992-03-141992-11-15
19931993-03-171993-11-10
19941994-01-041994-11-06
19951995-02-031995-11-25
19961996-01-121996-11-21
19971997-02-151997-11-26
19981998-04-101998-11-27
19991999-01-241999-11-30
20002000-01-152000-10-19
20012001-03-192001-11-20
20022002-01-082002-10-23
20032003-02-012003-11-22
20042004-02-172004-11-05
20052005-03-102005-11-12
20062006-01-062006-11-24
20072007-02-062007-11-28
20092009-01-212009-11-11
20102010-03-162010-11-07
20112011-03-092011-10-25

Every Fixed Threshold

Fixed thresholds at Santa Rosa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days292382007211
35 C (95 F): Days291621989146
40 C (104 F): Days2971200248
45 C (113 F): Days15419902
90 F (32.2 C): Days291971999171
100 F (37.8 C): Days29109199695
110 F (43.3 C): Days241519851
0 C (32 F): Frost days (min2955199930
-10 C (14 F): Days with min1120111
20 C (68 F): Tropical nights (min2996200791
25 C (77 F): Days with min261219945
10 mm (0.39 in): Days with 10 mm or more rain3018198310
25 mm (0.98 in): Days with 25 mm or more rain29519907
50 mm (1.97 in): Days with 50 mm or more rain11119881
100 mm (3.94 in): Days with 100 mm or more rain1119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Santa Rosa 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).