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

San Carlos Threshold Days by Year (MXN00028084)

15 fixed thresholds counted per year at San Carlos (MXN00028084): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Carlos Thresholds

  • San Carlos: nights with a minimum temperature at or above 20 C (68 F) in 44 years, most in 1963 with 211.
  • San Carlos: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1978 with 29.
  • San Carlos: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1975 with 14.
  • San Carlos: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1963 with 287.
  • 15 fixed thresholds have at least one qualifying day at San Carlos.
43 years with a qualifying day
Days at or above 30 C (86 F) per year at San Carlos Days per year at San Carlos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 287 in 1963. 01002003001963: 2871965: 2301966: 2081968: 2381969: 2311970: 1871971: 2051972: 1961973: 1841974: 1781975: 1971976: 1561977: 1761978: 1871979: 1841980: 2021981: 2181982: 2201983: 2291984: 1811985: 2161986: 2381987: 1871988: 2071989: 2351990: 2001991: 2141992: 1831994: 2431995: 2281996: 2241997: 2201998: 2321999: 2352000: 2262001: 1982002: 2092003: 1802004: 1802006: 2302008: 1702009: 2202010: 201196319701975198019851990199620012008
Days per year at San Carlos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 287 in 1963.
Days at or above 30 C (86 F) per year at San Carlos
YearDaysDecade average
1963287238.8
1965230238.8
1966208238.8
1968238238.8
1969231238.8
1970187185
1971205185
1972196185
1973184185
1974178185
1975197185
1976156185
1977176185
1978187185
1979184185
1980202213.3
1981218213.3
1982220213.3
1983229213.3
1984181213.3
1985216213.3
1986238213.3
1987187213.3
1988207213.3
1989235213.3
1990200219.9
1991214219.9
1992183219.9
1994243219.9
1995228219.9
1996224219.9
1997220219.9
1998232219.9
1999235219.9
2000226201.6
2001198201.6
2002209201.6
2003180201.6
2004180201.6
2006230201.6
2008170201.6
2009220201.6
2010201201
First to last qualifying date each year at San Carlos For each year, a bar from the first to the last day at San Carlos meeting 30 C (86 F). 1963: 1 January 1963 to 12 December 19631965: 6 January 1965 to 14 December 19651966: 9 February 1966 to 30 November 19661968: 30 January 1968 to 30 December 19681969: 8 January 1969 to 24 December 19691970: 23 January 1970 to 13 November 19701971: 3 January 1971 to 9 December 19711972: 8 January 1972 to 23 December 19721973: 7 February 1973 to 30 December 19731974: 2 February 1974 to 31 October 19741975: 25 January 1975 to 9 November 19751976: 1 January 1976 to 11 November 19761977: 28 January 1977 to 19 December 19771978: 12 February 1978 to 20 December 19781979: 26 January 1979 to 27 November 19791980: 19 February 1980 to 14 November 19801981: 1 March 1981 to 30 December 19811982: 2 January 1982 to 24 December 19821983: 6 January 1983 to 29 December 19831984: 5 January 1984 to 14 December 19841985: 27 January 1985 to 30 November 19851986: 20 January 1986 to 22 November 19861987: 29 January 1987 to 25 December 19871988: 12 January 1988 to 30 November 19881989: 2 February 1989 to 30 December 19891990: 19 January 1990 to 30 December 19901991: 27 January 1991 to 10 December 19911992: 14 February 1992 to 13 December 19921994: 6 January 1994 to 16 December 19941995: 6 January 1995 to 5 December 19951996: 21 January 1996 to 13 December 19961997: 4 January 1997 to 15 November 19971998: 5 January 1998 to 1 November 19981999: 17 January 1999 to 31 December 19992000: 10 January 2000 to 16 November 20002001: 15 February 2001 to 27 November 20012002: 22 January 2002 to 9 November 20022003: 3 February 2003 to 23 November 20032004: 4 January 2004 to 28 November 20042006: 1 January 2006 to 10 November 20062008: 7 January 2008 to 9 December 20082009: 2 January 2009 to 15 November 20092010: 19 January 2010 to 31 December 201019631971197719831989199620022010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Carlos meeting 30 C (86 F).
First to last qualifying date each year at San Carlos
YearFirst dateLast date
19631963-01-011963-12-12
19651965-01-061965-12-14
19661966-02-091966-11-30
19681968-01-301968-12-30
19691969-01-081969-12-24
19701970-01-231970-11-13
19711971-01-031971-12-09
19721972-01-081972-12-23
19731973-02-071973-12-30
19741974-02-021974-10-31
19751975-01-251975-11-09
19761976-01-011976-11-11
19771977-01-281977-12-19
19781978-02-121978-12-20
19791979-01-261979-11-27
19801980-02-191980-11-14
19811981-03-011981-12-30
19821982-01-021982-12-24
19831983-01-061983-12-29
19841984-01-051984-12-14
19851985-01-271985-11-30
19861986-01-201986-11-22
19871987-01-291987-12-25
19881988-01-121988-11-30
19891989-02-021989-12-30
19901990-01-191990-12-30
19911991-01-271991-12-10
19921992-02-141992-12-13
19941994-01-061994-12-16
19951995-01-061995-12-05
19961996-01-211996-12-13
19971997-01-041997-11-15
19981998-01-051998-11-01
19991999-01-171999-12-31
20002000-01-102000-11-16
20012001-02-152001-11-27
20022002-01-222002-11-09
20032003-02-032003-11-23
20042004-01-042004-11-28
20062006-01-012006-11-10
20082008-01-072008-12-09
20092009-01-022009-11-15
20102010-01-192010-12-31

Every Fixed Threshold

Fixed thresholds at San Carlos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days432871963201
35 C (95 F): Days43194196378
40 C (104 F): Days3787196332
45 C (113 F): Days3919985
90 F (32.2 C): Days432271963114
100 F (37.8 C): Days43123196346
110 F (43.3 C): Days71219986
0 C (32 F): Frost days (min4022197612
20 C (68 F): Tropical nights (min442111963103
25 C (77 F): Days with min142519636
10 mm (0.39 in): Days with 10 mm or more rain4429197818
25 mm (0.98 in): Days with 25 mm or more rain441419755
50 mm (1.97 in): Days with 50 mm or more rain38719752
100 mm (3.94 in): Days with 100 mm or more rain11219662
200 mm (7.87 in): Days with 200 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for San Carlos 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).