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Built 2026-10-19 (19 October 2026)

San Julian (Dge) Threshold Days by Year (MXN00014128)

10 fixed thresholds counted per year at San Julian (Dge) (MXN00014128): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Julian (Dge) Thresholds

  • San Julian (Dge): days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1986 with 45.
  • San Julian (Dge): days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1965 with 13.
  • San Julian (Dge): days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1990 with 285.
  • San Julian (Dge): nights with a minimum temperature at or below 0 C (32 F) in 24 years, most in 1988 with 13.
  • 10 fixed thresholds have at least one qualifying day at San Julian (Dge).
27 years with a qualifying day
Days at or above 30 C (86 F) per year at San Julian (Dge) Days per year at San Julian (Dge) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 285 in 1990. 01002003001960: 871961: 781962: 811963: 721964: 661965: 441966: 351967: 351968: 461970: 521971: 401972: 351973: 361974: 211975: 201976: 151977: 321978: 161981: 271982: 1201983: 1451984: 171985: 11988: 2001989: 2841990: 2851991: 267196019631966197019731976198119841989
Days per year at San Julian (Dge) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 285 in 1990.
Days at or above 30 C (86 F) per year at San Julian (Dge)
YearDaysDecade average
19608760.4
19617860.4
19628160.4
19637260.4
19646660.4
19654460.4
19663560.4
19673560.4
19684660.4
19705229.7
19714029.7
19723529.7
19733629.7
19742129.7
19752029.7
19761529.7
19773229.7
19781629.7
198127113.4
1982120113.4
1983145113.4
198417113.4
19851113.4
1988200113.4
1989284113.4
1990285276
1991267276
First to last qualifying date each year at San Julian (Dge) For each year, a bar from the first to the last day at San Julian (Dge) meeting 30 C (86 F). 1960: 6 March 1960 to 15 October 19601961: 7 March 1961 to 23 October 19611962: 5 March 1962 to 25 September 19621963: 12 March 1963 to 20 July 19631964: 13 February 1964 to 11 June 19641965: 7 April 1965 to 27 June 19651966: 14 April 1966 to 1 July 19661967: 10 March 1967 to 8 June 19671968: 14 April 1968 to 25 September 19681970: 1 April 1970 to 21 June 19701971: 10 March 1971 to 23 September 19711972: 4 April 1972 to 22 May 19721973: 15 April 1973 to 19 June 19731974: 22 April 1974 to 9 June 19741975: 5 April 1975 to 31 May 19751976: 7 May 1976 to 23 June 19761977: 15 March 1977 to 27 September 19771978: 31 March 1978 to 2 June 19781981: 4 April 1981 to 23 December 19811982: 17 March 1982 to 5 December 19821983: 3 February 1983 to 6 September 19831984: 14 March 1984 to 9 November 19841985: 29 June 1985 to 29 June 19851988: 5 January 1988 to 25 December 19881989: 1 January 1989 to 28 December 19891990: 5 January 1990 to 17 December 19901991: 1 January 1991 to 14 December 19911960196419681973197719831989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at San Julian (Dge) meeting 30 C (86 F).
First to last qualifying date each year at San Julian (Dge)
YearFirst dateLast date
19601960-03-061960-10-15
19611961-03-071961-10-23
19621962-03-051962-09-25
19631963-03-121963-07-20
19641964-02-131964-06-11
19651965-04-071965-06-27
19661966-04-141966-07-01
19671967-03-101967-06-08
19681968-04-141968-09-25
19701970-04-011970-06-21
19711971-03-101971-09-23
19721972-04-041972-05-22
19731973-04-151973-06-19
19741974-04-221974-06-09
19751975-04-051975-05-31
19761976-05-071976-06-23
19771977-03-151977-09-27
19781978-03-311978-06-02
19811981-04-041981-12-23
19821982-03-171982-12-05
19831983-02-031983-09-06
19841984-03-141984-11-09
19851985-06-291985-06-29
19881988-01-051988-12-25
19891989-01-011989-12-28
19901990-01-051990-12-17
19911991-01-011991-12-14

Every Fixed Threshold

Fixed thresholds at San Julian (Dge)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days272851990267
35 C (95 F): Days1298199198
40 C (104 F): Days511199111
90 F (32.2 C): Days231771989160
100 F (37.8 C): Days547199147
0 C (32 F): Frost days (min241319882
20 C (68 F): Tropical nights (min119198819
10 mm (0.39 in): Days with 10 mm or more rain4545198623
25 mm (0.98 in): Days with 25 mm or more rain4513196511
50 mm (1.97 in): Days with 50 mm or more rain22419914

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for San Julian (Dge) 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).