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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 (MXN00025088)

13 fixed thresholds counted per year at Santa Rosa (MXN00025088): 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 23 years, most in 1984 with 23.
  • Santa Rosa: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1984 with 319.
  • Santa Rosa: days with a maximum temperature at or above 35 C (95 F) in 22 years, most in 1963 with 175.
  • Santa Rosa: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 1984 with 268.
  • 13 fixed thresholds have at least one qualifying day at Santa Rosa.
22 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 319 in 1984. 01002003004001962: 2681963: 2701964: 2421965: 2461966: 2621967: 2721968: 2511970: 2681971: 2521972: 2591973: 2471974: 2391975: 2431976: 2401977: 2781978: 2571979: 2501980: 2841981: 2531982: 2481983: 2631984: 31919621965196819721975197819811984
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 319 in 1984.
Days at or above 30 C (86 F) per year at Santa Rosa
YearDaysDecade average
1962268258.7
1963270258.7
1964242258.7
1965246258.7
1966262258.7
1967272258.7
1968251258.7
1970268253.3
1971252253.3
1972259253.3
1973247253.3
1974239253.3
1975243253.3
1976240253.3
1977278253.3
1978257253.3
1979250253.3
1980284273.4
1981253273.4
1982248273.4
1983263273.4
1984319273.4
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). 1962: 18 January 1962 to 16 December 19621963: 25 January 1963 to 9 December 19631964: 3 January 1964 to 28 November 19641965: 17 January 1965 to 30 December 19651966: 8 January 1966 to 6 December 19661967: 17 January 1967 to 30 November 19671968: 23 January 1968 to 15 December 19681970: 23 January 1970 to 21 December 19701971: 16 January 1971 to 26 December 19711972: 15 January 1972 to 26 December 19721973: 13 January 1973 to 13 December 19731974: 11 February 1974 to 28 November 19741975: 24 January 1975 to 11 December 19751976: 17 January 1976 to 1 December 19761977: 20 January 1977 to 28 December 19771978: 5 January 1978 to 18 December 19781979: 10 February 1979 to 25 December 19791980: 8 January 1980 to 31 December 19801981: 1 January 1981 to 22 December 19811982: 1 January 1982 to 17 November 19821983: 16 February 1983 to 31 December 19831984: 1 January 1984 to 25 December 198419621965196819721975197819811984JanFebMarAprMayJunJulAugSepOctNovDec
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
19621962-01-181962-12-16
19631963-01-251963-12-09
19641964-01-031964-11-28
19651965-01-171965-12-30
19661966-01-081966-12-06
19671967-01-171967-11-30
19681968-01-231968-12-15
19701970-01-231970-12-21
19711971-01-161971-12-26
19721972-01-151972-12-26
19731973-01-131973-12-13
19741974-02-111974-11-28
19751975-01-241975-12-11
19761976-01-171976-12-01
19771977-01-201977-12-28
19781978-01-051978-12-18
19791979-02-101979-12-25
19801980-01-081980-12-31
19811981-01-011981-12-22
19821982-01-011982-11-17
19831983-02-161983-12-31
19841984-01-011984-12-25

Every Fixed Threshold

Fixed thresholds at Santa Rosa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days223191984319
35 C (95 F): Days221751963172
40 C (104 F): Days1924198310
45 C (113 F): Days1119671
90 F (32.2 C): Days222681984268
100 F (37.8 C): Days2281196369
110 F (43.3 C): Days1119671
20 C (68 F): Tropical nights (min221461972130
25 C (77 F): Days with min2253198020
10 mm (0.39 in): Days with 10 mm or more rain232319842
25 mm (0.98 in): Days with 25 mm or more rain22919781
50 mm (1.97 in): Days with 50 mm or more rain12519783
100 mm (3.94 in): Days with 100 mm or more rain1119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

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).