Built 2026-10-19 (19 October 2026)

Santa Rosa Threshold Days by Year (MXN00019059)

11 fixed thresholds counted per year at Santa Rosa (MXN00019059): 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 47 years, most in 1978 with 28.
  • Santa Rosa: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1980 with 297.
  • Santa Rosa: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1980 with 192.
  • Santa Rosa: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 2010 with 89.
  • 11 fixed thresholds have at least one qualifying day at Santa Rosa.
46 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 297 in 1980. 01002003001962: 1121963: 1171964: 1031965: 1031966: 621967: 571968: 601969: 1181970: 1151971: 1471972: 1361973: 801974: 1251975: 1811976: 2931977: 1961978: 2381979: 2431980: 2971981: 1831982: 2241983: 1931985: 2371986: 2411987: 1831988: 1191991: 1521992: 1281993: 1981994: 2801995: 2571997: 1361998: 1701999: 1962000: 2062001: 1312002: 1742003: 1602004: 1212005: 1752006: 1742007: 1802008: 1312009: 2272010: 1452011: 151962196719721977198219881995200120062011
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 297 in 1980.
Days at or above 30 C (86 F) per year at Santa Rosa
YearDaysDecade average
196211291.5
196311791.5
196410391.5
196510391.5
19666291.5
19675791.5
19686091.5
196911891.5
1970115175.4
1971147175.4
1972136175.4
197380175.4
1974125175.4
1975181175.4
1976293175.4
1977196175.4
1978238175.4
1979243175.4
1980297209.6
1981183209.6
1982224209.6
1983193209.6
1985237209.6
1986241209.6
1987183209.6
1988119209.6
1991152189.6
1992128189.6
1993198189.6
1994280189.6
1995257189.6
1997136189.6
1998170189.6
1999196189.6
2000206167.9
2001131167.9
2002174167.9
2003160167.9
2004121167.9
2005175167.9
2006174167.9
2007180167.9
2008131167.9
2009227167.9
201014580
20111580
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: 7 March 1962 to 24 November 19621963: 4 March 1963 to 6 October 19631964: 8 March 1964 to 17 October 19641965: 11 March 1965 to 28 November 19651966: 21 February 1966 to 4 October 19661967: 28 January 1967 to 24 August 19671968: 11 March 1968 to 30 October 19681969: 23 March 1969 to 18 November 19691970: 4 March 1970 to 23 December 19701971: 1 March 1971 to 2 December 19711972: 4 March 1972 to 9 December 19721973: 12 March 1973 to 3 November 19731974: 2 March 1974 to 23 December 19741975: 4 January 1975 to 30 December 19751976: 1 January 1976 to 16 December 19761977: 10 March 1977 to 25 December 19771978: 13 January 1978 to 31 December 19781979: 14 January 1979 to 2 November 19791980: 1 January 1980 to 14 December 19801981: 9 February 1981 to 27 December 19811982: 10 January 1982 to 2 December 19821983: 1 March 1983 to 15 December 19831985: 26 January 1985 to 30 December 19851986: 1 February 1986 to 27 December 19861987: 1 January 1987 to 24 December 19871988: 18 February 1988 to 29 November 19881991: 2 January 1991 to 17 November 19911992: 10 March 1992 to 20 December 19921993: 3 February 1993 to 9 December 19931994: 6 February 1994 to 31 December 19941995: 2 January 1995 to 30 November 19951997: 31 January 1997 to 1 November 19971998: 23 February 1998 to 22 November 19981999: 27 January 1999 to 17 October 19992000: 10 February 2000 to 17 November 20002001: 14 March 2001 to 25 October 20012002: 28 January 2002 to 10 November 20022003: 3 March 2003 to 23 November 20032004: 1 March 2004 to 1 December 20042005: 17 February 2005 to 15 November 20052006: 3 January 2006 to 11 November 20062007: 21 February 2007 to 3 December 20072008: 18 February 2008 to 20 December 20082009: 10 January 2009 to 14 November 20092010: 29 January 2010 to 22 December 20102011: 7 February 2011 to 28 December 201119621968197419801987199520022008JanFebMarAprMayJunJulAugSepOctNovDec
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
19621962-03-071962-11-24
19631963-03-041963-10-06
19641964-03-081964-10-17
19651965-03-111965-11-28
19661966-02-211966-10-04
19671967-01-281967-08-24
19681968-03-111968-10-30
19691969-03-231969-11-18
19701970-03-041970-12-23
19711971-03-011971-12-02
19721972-03-041972-12-09
19731973-03-121973-11-03
19741974-03-021974-12-23
19751975-01-041975-12-30
19761976-01-011976-12-16
19771977-03-101977-12-25
19781978-01-131978-12-31
19791979-01-141979-11-02
19801980-01-011980-12-14
19811981-02-091981-12-27
19821982-01-101982-12-02
19831983-03-011983-12-15
19851985-01-261985-12-30
19861986-02-011986-12-27
19871987-01-011987-12-24
19881988-02-181988-11-29
19911991-01-021991-11-17
19921992-03-101992-12-20
19931993-02-031993-12-09
19941994-02-061994-12-31
19951995-01-021995-11-30
19971997-01-311997-11-01
19981998-02-231998-11-22
19991999-01-271999-10-17
20002000-02-102000-11-17
20012001-03-142001-10-25
20022002-01-282002-11-10
20032003-03-032003-11-23
20042004-03-012004-12-01
20052005-02-172005-11-15
20062006-01-032006-11-11
20072007-02-212007-12-03
20082008-02-182008-12-20
20092009-01-102009-11-14
20102010-01-292010-12-22
20112011-02-072011-12-28

Every Fixed Threshold

Fixed thresholds at Santa Rosa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days46297198015
35 C (95 F): Days43127198026
40 C (104 F): Days9919834
90 F (32.2 C): Days4619219801
100 F (37.8 C): Days252919782
0 C (32 F): Frost days (min4689201070
-10 C (14 F): Days with min3320113
20 C (68 F): Tropical nights (min3219621
10 mm (0.39 in): Days with 10 mm or more rain472819782
25 mm (0.98 in): Days with 25 mm or more rain371019782
50 mm (1.97 in): Days with 50 mm or more rain10119621

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).