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Built 2026-10-19 (19 October 2026)

Los Aldamas Threshold Days by Year (MXN00019040)

15 fixed thresholds counted per year at Los Aldamas (MXN00019040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Los Aldamas Thresholds

  • Los Aldamas: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1968 with 24.
  • Los Aldamas: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1968 with 13.
  • Los Aldamas: nights with a minimum temperature at or above 20 C (68 F) in 27 years, most in 1962 with 211.
  • Los Aldamas: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1950 with 265.
  • 15 fixed thresholds have at least one qualifying day at Los Aldamas.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Los Aldamas Days per year at Los Aldamas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 265 in 1950. 01002003001942: 2191943: 2221947: 2381948: 2231949: 2211950: 2651956: 2421959: 2001960: 2091961: 2061962: 2231963: 2121964: 2131965: 2171967: 2321968: 2301970: 1951971: 2091973: 2041974: 1921978: 1591980: 1961981: 1961982: 2431983: 248194219481956196119641968197319801983
Days per year at Los Aldamas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 265 in 1950.
Days at or above 30 C (86 F) per year at Los Aldamas
YearDaysDecade average
1942219224.6
1943222224.6
1947238224.6
1948223224.6
1949221224.6
1950265235.7
1956242235.7
1959200235.7
1960209217.8
1961206217.8
1962223217.8
1963212217.8
1964213217.8
1965217217.8
1967232217.8
1968230217.8
1970195191.8
1971209191.8
1973204191.8
1974192191.8
1978159191.8
1980196220.8
1981196220.8
1982243220.8
1983248220.8
First to last qualifying date each year at Los Aldamas For each year, a bar from the first to the last day at Los Aldamas meeting 30 C (86 F). 1942: 26 January 1942 to 25 December 19421943: 16 January 1943 to 6 November 19431947: 15 January 1947 to 8 December 19471948: 1 January 1948 to 21 December 19481949: 4 January 1949 to 21 December 19491950: 3 January 1950 to 16 December 19501956: 28 January 1956 to 13 December 19561959: 10 February 1959 to 14 November 19591960: 13 January 1960 to 30 November 19601961: 13 February 1961 to 23 December 19611962: 5 February 1962 to 18 November 19621963: 11 January 1963 to 12 December 19631964: 4 March 1964 to 31 December 19641965: 2 January 1965 to 28 November 19651967: 23 February 1967 to 5 December 19671968: 29 January 1968 to 30 December 19681970: 27 January 1970 to 24 December 19701971: 21 February 1971 to 31 December 19711973: 6 February 1973 to 9 November 19731974: 8 January 1974 to 10 October 19741978: 12 March 1978 to 12 September 19781980: 16 March 1980 to 29 November 19801981: 1 May 1981 to 26 December 19811982: 21 January 1982 to 8 November 19821983: 3 March 1983 to 19 November 19831942194919601964197019781983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Los Aldamas meeting 30 C (86 F).
First to last qualifying date each year at Los Aldamas
YearFirst dateLast date
19421942-01-261942-12-25
19431943-01-161943-11-06
19471947-01-151947-12-08
19481948-01-011948-12-21
19491949-01-041949-12-21
19501950-01-031950-12-16
19561956-01-281956-12-13
19591959-02-101959-11-14
19601960-01-131960-11-30
19611961-02-131961-12-23
19621962-02-051962-11-18
19631963-01-111963-12-12
19641964-03-041964-12-31
19651965-01-021965-11-28
19671967-02-231967-12-05
19681968-01-291968-12-30
19701970-01-271970-12-24
19711971-02-211971-12-31
19731973-02-061973-11-09
19741974-01-081974-10-10
19781978-03-121978-09-12
19801980-03-161980-11-29
19811981-05-011981-12-26
19821982-01-211982-11-08
19831983-03-031983-11-19

Every Fixed Threshold

Fixed thresholds at Los Aldamas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days252651950248
35 C (95 F): Days251671968165
40 C (104 F): Days256019481
45 C (113 F): Days9219471
90 F (32.2 C): Days252301950213
100 F (37.8 C): Days25130196827
110 F (43.3 C): Days13619741
120 F (48.9 C): Days2119471
0 C (32 F): Frost days (min141719433
20 C (68 F): Tropical nights (min272111962180
25 C (77 F): Days with min2513119628
10 mm (0.39 in): Days with 10 mm or more rain3224196812
25 mm (0.98 in): Days with 25 mm or more rain301319686
50 mm (1.97 in): Days with 50 mm or more rain241019681
100 mm (3.94 in): Days with 100 mm or more rain6219421

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Los Aldamas 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 (2026-10-15).