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Built 2026-10-19 (19 October 2026)

Alfajayucan (Smn) Threshold Days by Year (MXN00013026)

12 fixed thresholds counted per year at Alfajayucan (Smn) (MXN00013026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alfajayucan (Smn) Thresholds

  • Alfajayucan (Smn): days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1958 with 29.
  • Alfajayucan (Smn): days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1982 with 101.
  • Alfajayucan (Smn): days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1980 with 10.
  • Alfajayucan (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1983 with 46.
  • 12 fixed thresholds have at least one qualifying day at Alfajayucan (Smn).
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Alfajayucan (Smn) Days per year at Alfajayucan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1982. 0501001501954: 281955: 351956: 121957: 111958: 191959: 141960: 831961: 711963: 791965: 831966: 641967: 341968: 181970: 561971: 341972: 421973: 591974: 271975: 561976: 261977: 831978: 571979: 681980: 631981: 511982: 1011983: 951984: 461985: 551986: 421954195719601965196819721975197819811984
Days per year at Alfajayucan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1982.
Days at or above 30 C (86 F) per year at Alfajayucan (Smn)
YearDaysDecade average
19542819.8
19553519.8
19561219.8
19571119.8
19581919.8
19591419.8
19608361.7
19617161.7
19637961.7
19658361.7
19666461.7
19673461.7
19681861.7
19705650.8
19713450.8
19724250.8
19735950.8
19742750.8
19755650.8
19762650.8
19778350.8
19785750.8
19796850.8
19806364.7
19815164.7
198210164.7
19839564.7
19844664.7
19855564.7
19864264.7
First to last qualifying date each year at Alfajayucan (Smn) For each year, a bar from the first to the last day at Alfajayucan (Smn) meeting 30 C (86 F). 1954: 10 March 1954 to 29 June 19541955: 28 February 1955 to 1 July 19551956: 18 February 1956 to 6 May 19561957: 21 March 1957 to 29 June 19571958: 28 February 1958 to 1 May 19581959: 9 February 1959 to 2 September 19591960: 8 March 1960 to 19 October 19601961: 19 February 1961 to 2 November 19611963: 23 February 1963 to 10 July 19631965: 24 January 1965 to 29 September 19651966: 13 February 1966 to 9 June 19661967: 14 March 1967 to 13 June 19671968: 1 April 1968 to 10 June 19681970: 19 March 1970 to 14 June 19701971: 20 February 1971 to 23 May 19711972: 29 March 1972 to 23 August 19721973: 8 February 1973 to 17 June 19731974: 21 March 1974 to 9 June 19741975: 2 March 1975 to 23 July 19751976: 7 March 1976 to 27 July 19761977: 26 February 1977 to 11 October 19771978: 27 February 1978 to 11 August 19781979: 27 January 1979 to 23 July 19791980: 21 February 1980 to 18 October 19801981: 3 March 1981 to 17 August 19811982: 18 February 1982 to 26 December 19821983: 2 March 1983 to 19 October 19831984: 20 February 1984 to 26 November 19841985: 3 February 1985 to 8 October 19851986: 22 February 1986 to 19 November 198619541958196319681973197719811985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alfajayucan (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Alfajayucan (Smn)
YearFirst dateLast date
19541954-03-101954-06-29
19551955-02-281955-07-01
19561956-02-181956-05-06
19571957-03-211957-06-29
19581958-02-281958-05-01
19591959-02-091959-09-02
19601960-03-081960-10-19
19611961-02-191961-11-02
19631963-02-231963-07-10
19651965-01-241965-09-29
19661966-02-131966-06-09
19671967-03-141967-06-13
19681968-04-011968-06-10
19701970-03-191970-06-14
19711971-02-201971-05-23
19721972-03-291972-08-23
19731973-02-081973-06-17
19741974-03-211974-06-09
19751975-03-021975-07-23
19761976-03-071976-07-27
19771977-02-261977-10-11
19781978-02-271978-08-11
19791979-01-271979-07-23
19801980-02-211980-10-18
19811981-03-031981-08-17
19821982-02-181982-12-26
19831983-03-021983-10-19
19841984-02-201984-11-26
19851985-02-031985-10-08
19861986-02-221986-11-19

Every Fixed Threshold

Fixed thresholds at Alfajayucan (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days30101198242
35 C (95 F): Days162519835
40 C (104 F): Days1119831
90 F (32.2 C): Days264619837
100 F (37.8 C): Days1319833
0 C (32 F): Frost days (min2629196311
-10 C (14 F): Days with min1119631
20 C (68 F): Tropical nights (min1119551
10 mm (0.39 in): Days with 10 mm or more rain3229195813
25 mm (0.98 in): Days with 25 mm or more rain301019803
50 mm (1.97 in): Days with 50 mm or more rain12219731
100 mm (3.94 in): Days with 100 mm or more rain1119541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Alfajayucan (Smn) 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).