Built 2026-10-19 (19 October 2026)

Miahuatlan (Smn) Threshold Days by Year (MXN00020070)

11 fixed thresholds counted per year at Miahuatlan (Smn) (MXN00020070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Miahuatlan (Smn) Thresholds

  • Miahuatlan (Smn): days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1969 with 30.
  • Miahuatlan (Smn): days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1952 with 14.
  • Miahuatlan (Smn): days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1991 with 269.
  • Miahuatlan (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 59 years, most in 1991 with 107.
  • 11 fixed thresholds have at least one qualifying day at Miahuatlan (Smn).
61 years with a qualifying day
Days at or above 30 C (86 F) per year at Miahuatlan (Smn) Days per year at Miahuatlan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 269 in 1991. 01002003001946: 1291947: 1181948: 1101949: 1101950: 831951: 871952: 681953: 1241954: 621955: 781956: 521957: 971958: 671959: 721960: 761961: 691962: 691963: 581964: 731965: 731966: 601967: 491968: 521969: 881970: 811971: 631972: 701973: 721974: 421975: 451976: 291977: 251978: 661979: 1341980: 1221981: 1071982: 1901983: 1831984: 1641985: 1821986: 2111987: 2171988: 1751989: 1801991: 2691992: 2101994: 1481995: 1621998: 1291999: 1102000: 842001: 442002: 572003: 322004: 152006: 512007: 1012008: 762009: 952010: 1022011: 79194619531960196719741981198819992007
Days per year at Miahuatlan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 269 in 1991.
Days at or above 30 C (86 F) per year at Miahuatlan (Smn)
YearDaysDecade average
1946129116.8
1947118116.8
1948110116.8
1949110116.8
19508379
19518779
19526879
195312479
19546279
19557879
19565279
19579779
19586779
19597279
19607666.7
19616966.7
19626966.7
19635866.7
19647366.7
19657366.7
19666066.7
19674966.7
19685266.7
19698866.7
19708162.7
19716362.7
19727062.7
19737262.7
19744262.7
19754562.7
19762962.7
19772562.7
19786662.7
197913462.7
1980122173.1
1981107173.1
1982190173.1
1983183173.1
1984164173.1
1985182173.1
1986211173.1
1987217173.1
1988175173.1
1989180173.1
1991269171.3
1992210171.3
1994148171.3
1995162171.3
1998129171.3
1999110171.3
20008461.7
20014461.7
20025761.7
20033261.7
20041561.7
20065161.7
200710161.7
20087661.7
20099561.7
201010290.5
20117990.5
First to last qualifying date each year at Miahuatlan (Smn) For each year, a bar from the first to the last day at Miahuatlan (Smn) meeting 30 C (86 F). 1946: 15 January 1946 to 17 December 19461947: 7 January 1947 to 7 November 19471948: 25 January 1948 to 27 November 19481949: 2 February 1949 to 22 December 19491950: 4 January 1950 to 20 November 19501951: 18 February 1951 to 21 December 19511952: 10 February 1952 to 4 November 19521953: 6 February 1953 to 31 October 19531954: 11 February 1954 to 12 August 19541955: 20 February 1955 to 18 December 19551956: 17 January 1956 to 30 October 19561957: 20 February 1957 to 3 December 19571958: 8 March 1958 to 23 August 19581959: 20 January 1959 to 14 December 19591960: 2 January 1960 to 13 August 19601961: 17 February 1961 to 24 October 19611962: 15 February 1962 to 9 August 19621963: 4 March 1963 to 17 June 19631964: 19 January 1964 to 17 October 19641965: 24 February 1965 to 17 September 19651966: 21 January 1966 to 9 June 19661967: 2 March 1967 to 1 August 19671968: 15 March 1968 to 16 November 19681969: 26 January 1969 to 10 November 19691970: 30 January 1970 to 24 October 19701971: 27 February 1971 to 7 June 19711972: 24 January 1972 to 31 October 19721973: 1 February 1973 to 31 October 19731974: 16 February 1974 to 9 June 19741975: 16 March 1975 to 10 June 19751976: 12 March 1976 to 27 September 19761977: 12 March 1977 to 28 August 19771978: 1 March 1978 to 16 December 19781979: 25 January 1979 to 31 October 19791980: 29 January 1980 to 28 October 19801981: 22 February 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 9 January 1983 to 26 December 19831984: 4 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 2 January 1986 to 30 December 19861987: 3 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 2 January 1989 to 29 December 19891991: 6 January 1991 to 31 December 19911992: 10 January 1992 to 31 December 19921994: 17 January 1994 to 26 December 19941995: 1 January 1995 to 16 December 19951998: 13 January 1998 to 28 December 19981999: 20 January 1999 to 18 December 19992000: 2 January 2000 to 14 November 20002001: 3 January 2001 to 13 December 20012002: 15 January 2002 to 17 December 20022003: 27 February 2003 to 13 December 20032004: 15 March 2004 to 1 September 20042006: 20 March 2006 to 30 December 20062007: 14 January 2007 to 28 December 20072008: 7 January 2008 to 14 November 20082009: 8 January 2009 to 31 December 20092010: 2 January 2010 to 30 November 20102011: 4 January 2011 to 26 November 201119461954196219701978198619982007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Miahuatlan (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Miahuatlan (Smn)
YearFirst dateLast date
19461946-01-151946-12-17
19471947-01-071947-11-07
19481948-01-251948-11-27
19491949-02-021949-12-22
19501950-01-041950-11-20
19511951-02-181951-12-21
19521952-02-101952-11-04
19531953-02-061953-10-31
19541954-02-111954-08-12
19551955-02-201955-12-18
19561956-01-171956-10-30
19571957-02-201957-12-03
19581958-03-081958-08-23
19591959-01-201959-12-14
19601960-01-021960-08-13
19611961-02-171961-10-24
19621962-02-151962-08-09
19631963-03-041963-06-17
19641964-01-191964-10-17
19651965-02-241965-09-17
19661966-01-211966-06-09
19671967-03-021967-08-01
19681968-03-151968-11-16
19691969-01-261969-11-10
19701970-01-301970-10-24
19711971-02-271971-06-07
19721972-01-241972-10-31
19731973-02-011973-10-31
19741974-02-161974-06-09
19751975-03-161975-06-10
19761976-03-121976-09-27
19771977-03-121977-08-28
19781978-03-011978-12-16
19791979-01-251979-10-31
19801980-01-291980-10-28
19811981-02-221981-12-31
19821982-01-011982-12-31
19831983-01-091983-12-26
19841984-01-041984-12-31
19851985-01-011985-12-31
19861986-01-021986-12-30
19871987-01-031987-12-31
19881988-01-011988-12-31
19891989-01-021989-12-29
19911991-01-061991-12-31
19921992-01-101992-12-31
19941994-01-171994-12-26
19951995-01-011995-12-16
19981998-01-131998-12-28
19991999-01-201999-12-18
20002000-01-022000-11-14
20012001-01-032001-12-13
20022002-01-152002-12-17
20032003-02-272003-12-13
20042004-03-152004-09-01
20062006-03-202006-12-30
20072007-01-142007-12-28
20082008-01-072008-11-14
20092009-01-082009-12-31
20102010-01-022010-11-30
20112011-01-042011-11-26

Every Fixed Threshold

Fixed thresholds at Miahuatlan (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days61269199179
35 C (95 F): Days394819948
40 C (104 F): Days1220112
90 F (32.2 C): Days59107199114
100 F (37.8 C): Days81019913
0 C (32 F): Frost days (min28720117
20 C (68 F): Tropical nights (min8519911
10 mm (0.39 in): Days with 10 mm or more rain6330196914
25 mm (0.98 in): Days with 25 mm or more rain621419526
50 mm (1.97 in): Days with 50 mm or more rain32419811
100 mm (3.94 in): Days with 100 mm or more rain1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

  • Data for Miahuatlan (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).