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Built 2026-10-19 (19 October 2026)

C.A.E. Llera Threshold Days by Year (MXN00028056)

15 fixed thresholds counted per year at C.A.E. Llera (MXN00028056): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for C.A.E. Llera Thresholds

  • C.A.E. Llera: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1957 with 347.
  • C.A.E. Llera: days with a maximum temperature at or above 35 C (95 F) in 34 years, most in 1957 with 293.
  • C.A.E. Llera: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 1957 with 333.
  • C.A.E. Llera: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1972 with 34.
  • 15 fixed thresholds have at least one qualifying day at C.A.E. Llera.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at C.A.E. Llera Days per year at C.A.E. Llera with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 347 in 1957. 01002003004001943: 2471944: 2441945: 3001946: 2851947: 2751948: 2861949: 2961950: 3361951: 3131952: 3211953: 3031954: 2811955: 2711956: 3091957: 3471958: 3361959: 3421960: 3011961: 2281962: 2631963: 2421964: 2311965: 2351966: 1951967: 2061968: 2131969: 2121970: 2021971: 1841972: 1541973: 1271974: 841975: 2171976: 59194319471951195519591963196719711975
Days per year at C.A.E. Llera with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 347 in 1957.
Days at or above 30 C (86 F) per year at C.A.E. Llera
YearDaysDecade average
1943247276.1
1944244276.1
1945300276.1
1946285276.1
1947275276.1
1948286276.1
1949296276.1
1950336315.9
1951313315.9
1952321315.9
1953303315.9
1954281315.9
1955271315.9
1956309315.9
1957347315.9
1958336315.9
1959342315.9
1960301232.6
1961228232.6
1962263232.6
1963242232.6
1964231232.6
1965235232.6
1966195232.6
1967206232.6
1968213232.6
1969212232.6
1970202146.7
1971184146.7
1972154146.7
1973127146.7
197484146.7
1975217146.7
197659146.7
First to last qualifying date each year at C.A.E. Llera For each year, a bar from the first to the last day at C.A.E. Llera meeting 30 C (86 F). 1943: 2 February 1943 to 14 December 19431944: 29 January 1944 to 14 November 19441945: 19 January 1945 to 30 December 19451946: 3 January 1946 to 30 December 19461947: 14 January 1947 to 23 December 19471948: 3 January 1948 to 30 December 19481949: 4 January 1949 to 28 December 19491950: 2 January 1950 to 30 December 19501951: 1 January 1951 to 31 December 19511952: 1 January 1952 to 27 December 19521953: 2 January 1953 to 8 December 19531954: 15 January 1954 to 31 December 19541955: 1 January 1955 to 25 December 19551956: 2 January 1956 to 31 December 19561957: 1 January 1957 to 31 December 19571958: 3 January 1958 to 29 December 19581959: 3 January 1959 to 31 December 19591960: 1 January 1960 to 6 December 19601961: 14 January 1961 to 18 December 19611962: 20 January 1962 to 25 November 19621963: 10 January 1963 to 28 December 19631964: 26 January 1964 to 26 December 19641965: 25 January 1965 to 28 November 19651966: 6 February 1966 to 13 November 19661967: 2 January 1967 to 26 November 19671968: 21 February 1968 to 30 December 19681969: 21 January 1969 to 18 November 19691970: 23 January 1970 to 28 December 19701971: 2 January 1971 to 25 September 19711972: 15 February 1972 to 29 December 19721973: 6 March 1973 to 27 November 19731974: 31 January 1974 to 27 December 19741975: 2 January 1975 to 11 November 19751976: 14 February 1976 to 8 December 19761943194819531958196319681973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at C.A.E. Llera meeting 30 C (86 F).
First to last qualifying date each year at C.A.E. Llera
YearFirst dateLast date
19431943-02-021943-12-14
19441944-01-291944-11-14
19451945-01-191945-12-30
19461946-01-031946-12-30
19471947-01-141947-12-23
19481948-01-031948-12-30
19491949-01-041949-12-28
19501950-01-021950-12-30
19511951-01-011951-12-31
19521952-01-011952-12-27
19531953-01-021953-12-08
19541954-01-151954-12-31
19551955-01-011955-12-25
19561956-01-021956-12-31
19571957-01-011957-12-31
19581958-01-031958-12-29
19591959-01-031959-12-31
19601960-01-011960-12-06
19611961-01-141961-12-18
19621962-01-201962-11-25
19631963-01-101963-12-28
19641964-01-261964-12-26
19651965-01-251965-11-28
19661966-02-061966-11-13
19671967-01-021967-11-26
19681968-02-211968-12-30
19691969-01-211969-11-18
19701970-01-231970-12-28
19711971-01-021971-09-25
19721972-02-151972-12-29
19731973-03-061973-11-27
19741974-01-311974-12-27
19751975-01-021975-11-11
19761976-02-141976-12-08

Every Fixed Threshold

Fixed thresholds at C.A.E. Llera
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days34347195759
35 C (95 F): Days34293195713
40 C (104 F): Days3010219571
45 C (113 F): Days819196219
90 F (32.2 C): Days34333195728
100 F (37.8 C): Days3318219572
110 F (43.3 C): Days142419621
0 C (32 F): Frost days (min13419621
20 C (68 F): Tropical nights (min3334919576
25 C (77 F): Days with min3029019571
10 mm (0.39 in): Days with 10 mm or more rain3434197225
25 mm (0.98 in): Days with 25 mm or more rain3315197310
50 mm (1.97 in): Days with 50 mm or more rain28419713
100 mm (3.94 in): Days with 100 mm or more rain8119441
200 mm (7.87 in): Days with 200 mm or more rain1119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for C.A.E. Llera 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).