Built 2026-10-19 (19 October 2026)

Vallecitos Threshold Days by Year (MXN00012094)

10 fixed thresholds counted per year at Vallecitos (MXN00012094): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vallecitos Thresholds

  • Vallecitos: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1978 with 68.
  • Vallecitos: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1967 with 26.
  • Vallecitos: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 2007 with 12.
  • Vallecitos: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1993 with 361.
  • 10 fixed thresholds have at least one qualifying day at Vallecitos.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Vallecitos Days per year at Vallecitos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 361 in 1993. 01002003004001962: 2381963: 2251964: 2051965: 2501966: 2661967: 2111968: 2661970: 2091971: 1471972: 3071973: 2591974: 2041975: 2001976: 3031978: 2271979: 2971980: 2911981: 2301982: 3271983: 2521984: 2481986: 2811987: 3181988: 2961989: 3011993: 3611996: 2871999: 3072000: 3232001: 3192004: 3322005: 3472007: 333196219661971197519801984198920002007
Days per year at Vallecitos with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 361 in 1993.
Days at or above 30 C (86 F) per year at Vallecitos
YearDaysDecade average
1962238237.3
1963225237.3
1964205237.3
1965250237.3
1966266237.3
1967211237.3
1968266237.3
1970209239.2
1971147239.2
1972307239.2
1973259239.2
1974204239.2
1975200239.2
1976303239.2
1978227239.2
1979297239.2
1980291282.7
1981230282.7
1982327282.7
1983252282.7
1984248282.7
1986281282.7
1987318282.7
1988296282.7
1989301282.7
1993361318.3
1996287318.3
1999307318.3
2000323330.8
2001319330.8
2004332330.8
2005347330.8
2007333330.8
First to last qualifying date each year at Vallecitos For each year, a bar from the first to the last day at Vallecitos meeting 30 C (86 F). 1962: 1 January 1962 to 31 December 19621963: 5 January 1963 to 21 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 7 January 1967 to 30 December 19671968: 1 January 1968 to 31 December 19681970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 20 December 19711972: 1 January 1972 to 31 December 19721973: 4 January 1973 to 31 December 19731974: 1 January 1974 to 1 December 19741975: 25 January 1975 to 28 December 19751976: 1 January 1976 to 31 December 19761978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 6 January 1980 to 29 December 19801981: 5 January 1981 to 31 December 19811982: 5 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 5 January 1984 to 31 December 19841986: 1 January 1986 to 30 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891993: 1 January 1993 to 31 December 19931996: 1 January 1996 to 25 December 19961999: 3 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 30 December 20012004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 29 December 20052007: 1 January 2007 to 31 December 20071962196719731979198419932004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vallecitos meeting 30 C (86 F).
First to last qualifying date each year at Vallecitos
YearFirst dateLast date
19621962-01-011962-12-31
19631963-01-051963-12-21
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-071967-12-30
19681968-01-011968-12-31
19701970-01-011970-12-31
19711971-01-011971-12-20
19721972-01-011972-12-31
19731973-01-041973-12-31
19741974-01-011974-12-01
19751975-01-251975-12-28
19761976-01-011976-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-061980-12-29
19811981-01-051981-12-31
19821982-01-051982-12-31
19831983-01-011983-12-31
19841984-01-051984-12-31
19861986-01-011986-12-30
19871987-01-011987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
19931993-01-011993-12-31
19961996-01-011996-12-25
19991999-01-031999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-30
20042004-01-012004-12-31
20052005-01-012005-12-29
20072007-01-012007-12-31

Every Fixed Threshold

Fixed thresholds at Vallecitos
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days333611993333
35 C (95 F): Days2758199352
90 F (32.2 C): Days332132007213
100 F (37.8 C): Days3219662
20 C (68 F): Tropical nights (min332572004250
10 mm (0.39 in): Days with 10 mm or more rain4668197844
25 mm (0.98 in): Days with 25 mm or more rain4626196721
50 mm (1.97 in): Days with 50 mm or more rain361220078
100 mm (3.94 in): Days with 100 mm or more rain12419673
200 mm (7.87 in): Days with 200 mm or more rain2119671

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 Vallecitos 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).