Built 2026-10-19 (19 October 2026)

San Martin Obispo Threshold Days by Year (MXN00015098)

6 fixed thresholds counted per year at San Martin Obispo (MXN00015098): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Martin Obispo Thresholds

  • San Martin Obispo: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2004 with 41.
  • San Martin Obispo: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1967 with 9.
  • San Martin Obispo: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1983 with 42.
  • San Martin Obispo: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1983 with 30.
  • 6 fixed thresholds have at least one qualifying day at San Martin Obispo.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at San Martin Obispo Days per year at San Martin Obispo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 1983. 01020301977: 11978: 51981: 11982: 111983: 301984: 201985: 41986: 81990: 51991: 212002: 62003: 252005: 192006: 62007: 22009: 72011: 17197719811983198519902002200520072011
Days per year at San Martin Obispo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 1983.
Days at or above 30 C (86 F) per year at San Martin Obispo
YearDaysDecade average
197713
197853
1981112.3
19821112.3
19833012.3
19842012.3
1985412.3
1986812.3
1990513
19912113
2002610.8
20032510.8
20051910.8
2006610.8
2007210.8
2009710.8
20111717
First to last qualifying date each year at San Martin Obispo For each year, a bar from the first to the last day at San Martin Obispo meeting 30 C (86 F). 1977: 1 April 1977 to 1 April 19771978: 18 April 1978 to 12 May 19781981: 3 April 1981 to 3 April 19811982: 2 April 1982 to 18 June 19821983: 19 April 1983 to 13 June 19831984: 28 March 1984 to 7 May 19841985: 4 March 1985 to 14 May 19851986: 3 April 1986 to 16 May 19861990: 1 April 1990 to 31 May 19901991: 14 April 1991 to 2 June 19912002: 29 April 2002 to 5 May 20022003: 5 March 2003 to 18 May 20032005: 11 April 2005 to 13 June 20052006: 12 March 2006 to 10 May 20062007: 3 June 2007 to 4 June 20072009: 28 February 2009 to 12 June 20092011: 10 April 2011 to 29 May 2011197719821985199120052009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Martin Obispo meeting 30 C (86 F).
First to last qualifying date each year at San Martin Obispo
YearFirst dateLast date
19771977-04-011977-04-01
19781978-04-181978-05-12
19811981-04-031981-04-03
19821982-04-021982-06-18
19831983-04-191983-06-13
19841984-03-281984-05-07
19851985-03-041985-05-14
19861986-04-031986-05-16
19901990-04-011990-05-31
19911991-04-141991-06-02
20022002-04-292002-05-05
20032003-03-052003-05-18
20052005-04-112005-06-13
20062006-03-122006-05-10
20072007-06-032007-06-04
20092009-02-282009-06-12
20112011-04-102011-05-29

Every Fixed Threshold

Fixed thresholds at San Martin Obispo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1730198317
90 F (32.2 C): Days2219832
0 C (32 F): Frost days (min234219831
10 mm (0.39 in): Days with 10 mm or more rain3941200424
25 mm (0.98 in): Days with 25 mm or more rain39919674
50 mm (1.97 in): Days with 50 mm or more rain12219672

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for San Martin Obispo 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).