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

Santa Ana Threshold Days by Year (MXN00019138)

10 fixed thresholds counted per year at Santa Ana (MXN00019138): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santa Ana Thresholds

  • Santa Ana: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1993 with 29.
  • Santa Ana: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2008 with 12.
  • Santa Ana: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1985 with 302.
  • Santa Ana: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 1985 with 215.
  • 10 fixed thresholds have at least one qualifying day at Santa Ana.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Santa Ana Days per year at Santa Ana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 302 in 1985. 01002003004001981: 1201985: 3021986: 801988: 1141991: 881993: 1491997: 1761999: 1752000: 1192001: 932002: 1622003: 1722004: 592005: 382006: 902007: 532008: 72009: 362010: 302011: 2091981198619911997200020022004200620082010
Days per year at Santa Ana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 302 in 1985.
Days at or above 30 C (86 F) per year at Santa Ana
YearDaysDecade average
1981120154
1985302154
198680154
1988114154
199188147
1993149147
1997176147
1999175147
200011982.9
20019382.9
200216282.9
200317282.9
20045982.9
20053882.9
20069082.9
20075382.9
2008782.9
20093682.9
201030119.5
2011209119.5
First to last qualifying date each year at Santa Ana For each year, a bar from the first to the last day at Santa Ana meeting 30 C (86 F). 1981: 31 March 1981 to 27 October 19811985: 8 January 1985 to 10 December 19851986: 2 January 1986 to 6 October 19861988: 11 March 1988 to 28 October 19881991: 8 March 1991 to 8 November 19911993: 15 January 1993 to 25 November 19931997: 4 January 1997 to 5 December 19971999: 1 January 1999 to 28 October 19992000: 14 April 2000 to 28 October 20002001: 2 April 2001 to 29 October 20012002: 7 March 2002 to 22 October 20022003: 18 February 2003 to 29 October 20032004: 25 February 2004 to 25 October 20042005: 19 May 2005 to 25 September 20052006: 24 April 2006 to 22 November 20062007: 4 April 2007 to 26 September 20072008: 15 June 2008 to 27 September 20082009: 8 May 2009 to 27 September 20092010: 21 June 2010 to 28 November 20102011: 9 February 2011 to 30 October 20111981198819972001200420072010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santa Ana meeting 30 C (86 F).
First to last qualifying date each year at Santa Ana
YearFirst dateLast date
19811981-03-311981-10-27
19851985-01-081985-12-10
19861986-01-021986-10-06
19881988-03-111988-10-28
19911991-03-081991-11-08
19931993-01-151993-11-25
19971997-01-041997-12-05
19991999-01-011999-10-28
20002000-04-142000-10-28
20012001-04-022001-10-29
20022002-03-072002-10-22
20032003-02-182003-10-29
20042004-02-252004-10-25
20052005-05-192005-09-25
20062006-04-242006-11-22
20072007-04-042007-09-26
20082008-06-152008-09-27
20092009-05-082009-09-27
20102010-06-212010-11-28
20112011-02-092011-10-30

Every Fixed Threshold

Fixed thresholds at Santa Ana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days203021985209
35 C (95 F): Days14120198592
40 C (104 F): Days3619973
90 F (32.2 C): Days182151985142
100 F (37.8 C): Days843198518
0 C (32 F): Frost days (min1344198133
20 C (68 F): Tropical nights (min104020031
10 mm (0.39 in): Days with 10 mm or more rain262919936
25 mm (0.98 in): Days with 25 mm or more rain231220082
50 mm (1.97 in): Days with 50 mm or more rain9320082

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Santa Ana 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).