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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 (MXN00012078)

12 fixed thresholds counted per year at Santa Rosa (MXN00012078): 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 37 years, most in 2000 with 79.
  • Santa Rosa: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 2000 with 43.
  • Santa Rosa: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1995 with 349.
  • Santa Rosa: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2006 with 245.
  • 12 fixed thresholds have at least one qualifying day at Santa Rosa.
28 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 349 in 1995. 01002003004001964: 3061965: 3291966: 3351967: 2971968: 3221969: 3131971: 2731972: 3381973: 1781974: 2181978: 2701979: 3191980: 3161981: 2561983: 2431985: 3241988: 3181995: 3491996: 3491997: 3382000: 1982001: 2852002: 2942003: 2602004: 1132006: 3022008: 3002009: 3271964196719711974198019851996200120042009
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 349 in 1995.
Days at or above 30 C (86 F) per year at Santa Rosa
YearDaysDecade average
1964306317
1965329317
1966335317
1967297317
1968322317
1969313317
1971273266
1972338266
1973178266
1974218266
1978270266
1979319266
1980316291.4
1981256291.4
1983243291.4
1985324291.4
1988318291.4
1995349345.3
1996349345.3
1997338345.3
2000198259.9
2001285259.9
2002294259.9
2003260259.9
2004113259.9
2006302259.9
2008300259.9
2009327259.9
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). 1964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691971: 1 January 1971 to 14 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 2 January 1974 to 31 December 19741978: 1 February 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 4 January 1980 to 31 December 19801981: 5 January 1981 to 31 December 19811983: 2 January 1983 to 30 November 19831985: 1 January 1985 to 31 December 19851988: 1 January 1988 to 31 December 19881995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19972000: 7 February 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 29 December 20022003: 1 January 2003 to 28 December 20032004: 1 January 2004 to 6 December 20042006: 15 January 2006 to 30 November 20062008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20091964196819731980198820002004JanFebMarAprMayJunJulAugSepOctNovDec
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
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19711971-01-011971-12-14
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-021974-12-31
19781978-02-011978-12-31
19791979-01-011979-12-31
19801980-01-041980-12-31
19811981-01-051981-12-31
19831983-01-021983-11-30
19851985-01-011985-12-31
19881988-01-011988-12-31
19951995-01-011995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
20002000-02-072000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-29
20032003-01-012003-12-28
20042004-01-012004-12-06
20062006-01-152006-11-30
20082008-01-012008-12-31
20092009-01-012009-12-31

Every Fixed Threshold

Fixed thresholds at Santa Rosa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days283491995327
35 C (95 F): Days25148200680
40 C (104 F): Days634200210
90 F (32.2 C): Days282452006120
100 F (37.8 C): Days1470200236
20 C (68 F): Tropical nights (min272411973190
25 C (77 F): Days with min4619691
10 mm (0.39 in): Days with 10 mm or more rain3779200037
25 mm (0.98 in): Days with 25 mm or more rain3443200013
50 mm (1.97 in): Days with 50 mm or more rain262120001
100 mm (3.94 in): Days with 100 mm or more rain11419961
200 mm (7.87 in): Days with 200 mm or more rain1119761

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 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).