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Built 2026-10-16 (16 October 2026)

Boca del Salado Threshold Days by Year

12 fixed thresholds counted per year at Boca del Salado (MXN00003003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boca del Salado Thresholds

  • Boca del Salado: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1972 with 10.
  • Boca del Salado: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 2011 with 282.
  • Boca del Salado: days with a maximum temperature at or above 35 C (95 F) in 44 years, most in 2011 with 153.
  • Boca del Salado: days with a maximum temperature at or above 90 F (32.2 C) in 44 years, most in 2011 with 230.
  • 12 fixed thresholds have at least one qualifying day at Boca del Salado.
44 years with a qualifying day
Days at or above 30 C (86 F) per year at Boca del Salado Days per year at Boca del Salado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 282 in 2011. 01002003001958: 2511959: 2731960: 2141961: 1821962: 1661963: 1821964: 1551965: 2051966: 2101967: 1611970: 1851971: 1861972: 2111973: 1411974: 1481975: 1251976: 1421977: 811978: 771979: 251981: 1911982: 2061983: 2031984: 1841985: 1861986: 2361987: 2201988: 2251992: 1761993: 2001994: 1431995: 2641998: 1382002: 1392003: 2002004: 2172005: 1562006: 1582007: 1542008: 1852009: 1512010: 1232011: 2822012: 239195819631970197519811986199420042009
Days per year at Boca del Salado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 282 in 2011.
Days at or above 30 C (86 F) per year at Boca del Salado
YearDaysDecade average
1958251262
1959273262
1960214184.4
1961182184.4
1962166184.4
1963182184.4
1964155184.4
1965205184.4
1966210184.4
1967161184.4
1970185132.1
1971186132.1
1972211132.1
1973141132.1
1974148132.1
1975125132.1
1976142132.1
197781132.1
197877132.1
197925132.1
1981191206.4
1982206206.4
1983203206.4
1984184206.4
1985186206.4
1986236206.4
1987220206.4
1988225206.4
1992176184.2
1993200184.2
1994143184.2
1995264184.2
1998138184.2
2002139170
2003200170
2004217170
2005156170
2006158170
2007154170
2008185170
2009151170
2010123214.7
2011282214.7
2012239214.7
First to last qualifying date each year at Boca del Salado For each year, a bar from the first to the last day at Boca del Salado meeting 30 C (86 F). 1958: 2 January 1958 to 30 December 19581959: 7 January 1959 to 30 November 19591960: 5 March 1960 to 20 December 19601961: 13 January 1961 to 30 November 19611962: 4 February 1962 to 12 December 19621963: 2 March 1963 to 31 October 19631964: 21 March 1964 to 26 November 19641965: 1 April 1965 to 7 December 19651966: 9 January 1966 to 4 December 19661967: 3 March 1967 to 26 November 19671970: 1 May 1970 to 17 December 19701971: 2 January 1971 to 24 December 19711972: 1 March 1972 to 23 December 19721973: 10 January 1973 to 13 November 19731974: 15 January 1974 to 31 October 19741975: 25 May 1975 to 12 November 19751976: 12 May 1976 to 26 October 19761977: 9 March 1977 to 9 November 19771978: 12 June 1978 to 30 October 19781979: 2 June 1979 to 14 October 19791981: 8 February 1981 to 31 December 19811982: 18 February 1982 to 17 December 19821983: 1 April 1983 to 30 November 19831984: 16 February 1984 to 9 December 19841985: 8 March 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 4 January 1987 to 21 December 19871988: 3 January 1988 to 15 November 19881992: 11 April 1992 to 15 November 19921993: 6 February 1993 to 29 November 19931994: 20 June 1994 to 12 November 19941995: 6 February 1995 to 23 December 19951998: 22 February 1998 to 16 October 19982002: 1 May 2002 to 13 November 20022003: 11 March 2003 to 24 December 20032004: 5 January 2004 to 28 November 20042005: 1 May 2005 to 25 November 20052006: 5 March 2006 to 27 November 20062007: 3 May 2007 to 31 October 20072008: 4 April 2008 to 14 December 20082009: 1 January 2009 to 30 October 20092010: 9 May 2010 to 11 November 20102011: 16 February 2011 to 9 December 20112012: 2 January 2012 to 2 November 201219581964197219781985199420052011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boca del Salado meeting 30 C (86 F).
First to last qualifying date each year at Boca del Salado
YearFirst dateLast date
19581958-01-021958-12-30
19591959-01-071959-11-30
19601960-03-051960-12-20
19611961-01-131961-11-30
19621962-02-041962-12-12
19631963-03-021963-10-31
19641964-03-211964-11-26
19651965-04-011965-12-07
19661966-01-091966-12-04
19671967-03-031967-11-26
19701970-05-011970-12-17
19711971-01-021971-12-24
19721972-03-011972-12-23
19731973-01-101973-11-13
19741974-01-151974-10-31
19751975-05-251975-11-12
19761976-05-121976-10-26
19771977-03-091977-11-09
19781978-06-121978-10-30
19791979-06-021979-10-14
19811981-02-081981-12-31
19821982-02-181982-12-17
19831983-04-011983-11-30
19841984-02-161984-12-09
19851985-03-081985-12-31
19861986-01-011986-12-31
19871987-01-041987-12-21
19881988-01-031988-11-15
19921992-04-111992-11-15
19931993-02-061993-11-29
19941994-06-201994-11-12
19951995-02-061995-12-23
19981998-02-221998-10-16
20022002-05-012002-11-13
20032003-03-112003-12-24
20042004-01-052004-11-28
20052005-05-012005-11-25
20062006-03-052006-11-27
20072007-05-032007-10-31
20082008-04-042008-12-14
20092009-01-012009-10-30
20102010-05-092010-11-11
20112011-02-162011-12-09
20122012-01-022012-11-02

Every Fixed Threshold

Fixed thresholds at Boca del Salado
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days442822011239
35 C (95 F): Days44153201171
40 C (104 F): Days71619951
90 F (32.2 C): Days442302011121
100 F (37.8 C): Days3250201128
20 C (68 F): Tropical nights (min442172011156
25 C (77 F): Days with min3994195878
10 mm (0.39 in): Days with 10 mm or more rain461019729
25 mm (0.98 in): Days with 25 mm or more rain42820128
50 mm (1.97 in): Days with 50 mm or more rain32420063
100 mm (3.94 in): Days with 100 mm or more rain15219591
200 mm (7.87 in): Days with 200 mm or more rain5119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Boca del Salado 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).