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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ciudad Serdan (Smn) Threshold Days by Year (MXN00021026)

7 fixed thresholds counted per year at Ciudad Serdan (Smn) (MXN00021026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ciudad Serdan (Smn) Thresholds

  • Ciudad Serdan (Smn): days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1981 with 52.
  • Ciudad Serdan (Smn): nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1952 with 60.
  • Ciudad Serdan (Smn): days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1981 with 20.
  • Ciudad Serdan (Smn): days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2000 with 108.
  • 7 fixed thresholds have at least one qualifying day at Ciudad Serdan (Smn).
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Ciudad Serdan (Smn) Days per year at Ciudad Serdan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 2000. 0501001501948: 11952: 31953: 321956: 81957: 211958: 91959: 111960: 71961: 321963: 31964: 141965: 11966: 51968: 11969: 141970: 141971: 301972: 121973: 231974: 151975: 61978: 21980: 111982: 11983: 191984: 161988: 12000: 1082001: 832002: 812007: 12008: 82009: 14194819571961196619711975198320012009
Days per year at Ciudad Serdan (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 2000.
Days at or above 30 C (86 F) per year at Ciudad Serdan (Smn)
YearDaysDecade average
194811
1952314
19533214
1956814
19572114
1958914
19591114
196079.6
1961329.6
196339.6
1964149.6
196519.6
196659.6
196819.6
1969149.6
19701414.6
19713014.6
19721214.6
19732314.6
19741514.6
1975614.6
1978214.6
1980119.6
198219.6
1983199.6
1984169.6
198819.6
200010849.2
20018349.2
20028149.2
2007149.2
2008849.2
20091449.2
First to last qualifying date each year at Ciudad Serdan (Smn) For each year, a bar from the first to the last day at Ciudad Serdan (Smn) meeting 30 C (86 F). 1948: 2 May 1948 to 2 May 19481952: 14 March 1952 to 18 March 19521953: 12 March 1953 to 25 May 19531956: 7 March 1956 to 20 April 19561957: 10 March 1957 to 13 October 19571958: 29 March 1958 to 10 April 19581959: 11 March 1959 to 28 April 19591960: 29 March 1960 to 2 May 19601961: 1 January 1961 to 21 June 19611963: 23 May 1963 to 28 June 19631964: 9 April 1964 to 7 July 19641965: 28 June 1965 to 28 June 19651966: 17 June 1966 to 28 June 19661968: 16 May 1968 to 16 May 19681969: 8 April 1969 to 11 June 19691970: 21 March 1970 to 4 May 19701971: 22 April 1971 to 6 June 19711972: 4 April 1972 to 21 May 19721973: 26 March 1973 to 27 May 19731974: 13 April 1974 to 12 June 19741975: 1 April 1975 to 16 May 19751978: 2 April 1978 to 7 May 19781980: 10 March 1980 to 17 May 19801982: 6 June 1982 to 6 June 19821983: 23 April 1983 to 13 June 19831984: 4 May 1984 to 3 June 19841988: 24 April 1988 to 24 April 19882000: 23 January 2000 to 10 December 20002001: 7 January 2001 to 18 December 20012002: 18 January 2002 to 3 December 20022007: 20 April 2007 to 20 April 20072008: 25 February 2008 to 10 September 20082009: 31 March 2009 to 3 December 20091948195819641970197519842007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ciudad Serdan (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Ciudad Serdan (Smn)
YearFirst dateLast date
19481948-05-021948-05-02
19521952-03-141952-03-18
19531953-03-121953-05-25
19561956-03-071956-04-20
19571957-03-101957-10-13
19581958-03-291958-04-10
19591959-03-111959-04-28
19601960-03-291960-05-02
19611961-01-011961-06-21
19631963-05-231963-06-28
19641964-04-091964-07-07
19651965-06-281965-06-28
19661966-06-171966-06-28
19681968-05-161968-05-16
19691969-04-081969-06-11
19701970-03-211970-05-04
19711971-04-221971-06-06
19721972-04-041972-05-21
19731973-03-261973-05-27
19741974-04-131974-06-12
19751975-04-011975-05-16
19781978-04-021978-05-07
19801980-03-101980-05-17
19821982-06-061982-06-06
19831983-04-231983-06-13
19841984-05-041984-06-03
19881988-04-241988-04-24
20002000-01-232000-12-10
20012001-01-072001-12-18
20022002-01-182002-12-03
20072007-04-202007-04-20
20082008-02-252008-09-10
20092009-03-312009-12-03

Every Fixed Threshold

Fixed thresholds at Ciudad Serdan (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days33108200014
35 C (95 F): Days5820022
90 F (32.2 C): Days112620023
0 C (32 F): Frost days (min4760195218
10 mm (0.39 in): Days with 10 mm or more rain4952198112
25 mm (0.98 in): Days with 25 mm or more rain422019812
50 mm (1.97 in): Days with 50 mm or more rain12219831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Ciudad Serdan (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).