Built 2026-10-19 (19 October 2026)

Aquiles Serdan 46 Threshold Days by Year (MXN00009003)

6 fixed thresholds counted per year at Aquiles Serdan 46 (MXN00009003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aquiles Serdan 46 Thresholds

  • Aquiles Serdan 46: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1976 with 40.
  • Aquiles Serdan 46: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1976 with 15.
  • Aquiles Serdan 46: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1969 with 55.
  • Aquiles Serdan 46: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1956 with 16.
  • 6 fixed thresholds have at least one qualifying day at Aquiles Serdan 46.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Aquiles Serdan 46 Days per year at Aquiles Serdan 46 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1969. 02040601956: 61957: 111958: 91960: 161961: 171962: 161963: 211964: 181965: 91966: 121967: 381968: 311969: 551970: 491971: 451972: 171973: 521974: 271975: 371976: 131977: 261978: 351979: 361980: 401981: 211982: 531983: 501984: 361985: 71987: 91988: 3019561961196519691973197719811985
Days per year at Aquiles Serdan 46 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 1969.
Days at or above 30 C (86 F) per year at Aquiles Serdan 46
YearDaysDecade average
195668.7
1957118.7
195898.7
19601623.3
19611723.3
19621623.3
19632123.3
19641823.3
1965923.3
19661223.3
19673823.3
19683123.3
19695523.3
19704933.7
19714533.7
19721733.7
19735233.7
19742733.7
19753733.7
19761333.7
19772633.7
19783533.7
19793633.7
19804030.8
19812130.8
19825330.8
19835030.8
19843630.8
1985730.8
1987930.8
19883030.8
First to last qualifying date each year at Aquiles Serdan 46 For each year, a bar from the first to the last day at Aquiles Serdan 46 meeting 30 C (86 F). 1956: 4 April 1956 to 16 April 19561957: 18 May 1957 to 13 June 19571958: 28 March 1958 to 30 April 19581960: 27 March 1960 to 6 June 19601961: 11 April 1961 to 15 May 19611962: 3 March 1962 to 8 June 19621963: 17 March 1963 to 7 June 19631964: 5 April 1964 to 9 May 19641965: 8 May 1965 to 5 June 19651966: 13 April 1966 to 30 September 19661967: 16 February 1967 to 11 June 19671968: 15 March 1968 to 10 June 19681969: 29 January 1969 to 17 November 19691970: 15 February 1970 to 17 December 19701971: 24 January 1971 to 22 May 19711972: 30 March 1972 to 23 May 19721973: 26 January 1973 to 13 June 19731974: 3 March 1974 to 9 June 19741975: 12 March 1975 to 9 May 19751976: 12 March 1976 to 15 June 19761977: 1 January 1977 to 9 October 19771978: 1 March 1978 to 14 May 19781979: 14 March 1979 to 31 May 19791980: 16 February 1980 to 16 June 19801981: 24 March 1981 to 19 May 19811982: 12 March 1982 to 19 June 19821983: 18 March 1983 to 13 June 19831984: 25 March 1984 to 7 May 19841985: 4 March 1985 to 14 May 19851987: 19 March 1987 to 27 May 19871988: 19 February 1988 to 3 June 198819561961196519691973197719811985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aquiles Serdan 46 meeting 30 C (86 F).
First to last qualifying date each year at Aquiles Serdan 46
YearFirst dateLast date
19561956-04-041956-04-16
19571957-05-181957-06-13
19581958-03-281958-04-30
19601960-03-271960-06-06
19611961-04-111961-05-15
19621962-03-031962-06-08
19631963-03-171963-06-07
19641964-04-051964-05-09
19651965-05-081965-06-05
19661966-04-131966-09-30
19671967-02-161967-06-11
19681968-03-151968-06-10
19691969-01-291969-11-17
19701970-02-151970-12-17
19711971-01-241971-05-22
19721972-03-301972-05-23
19731973-01-261973-06-13
19741974-03-031974-06-09
19751975-03-121975-05-09
19761976-03-121976-06-15
19771977-01-011977-10-09
19781978-03-011978-05-14
19791979-03-141979-05-31
19801980-02-161980-06-16
19811981-03-241981-05-19
19821982-03-121982-06-19
19831983-03-181983-06-13
19841984-03-251984-05-07
19851985-03-041985-05-14
19871987-03-191987-05-27
19881988-02-191988-06-03

Every Fixed Threshold

Fixed thresholds at Aquiles Serdan 46
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3155196930
90 F (32.2 C): Days171319714
0 C (32 F): Frost days (min191619562
10 mm (0.39 in): Days with 10 mm or more rain5040197616
25 mm (0.98 in): Days with 25 mm or more rain361519764
50 mm (1.97 in): Days with 50 mm or more rain10319873

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Aquiles Serdan 46 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).