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

Don Threshold Days by Year (MXN00026260)

13 fixed thresholds counted per year at Don (MXN00026260): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Don Thresholds

  • Don: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1983 with 18.
  • Don: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1983 with 10.
  • Don: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1986 with 355.
  • Don: days with a maximum temperature at or above 35 C (95 F) in 18 years, most in 1983 with 232.
  • 13 fixed thresholds have at least one qualifying day at Don.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Don Days per year at Don with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 355 in 1986. 01002003004001983: 3341985: 3271986: 3551987: 2921991: 2511993: 2461994: 2621996: 2521998: 2482001: 2452003: 2782004: 2232005: 2352006: 2812007: 2672008: 2842009: 2362010: 237198319861991199419982003200520072009
Days per year at Don with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 355 in 1986.
Days at or above 30 C (86 F) per year at Don
YearDaysDecade average
1983334327
1985327327
1986355327
1987292327
1991251251.8
1993246251.8
1994262251.8
1996252251.8
1998248251.8
2001245256.1
2003278256.1
2004223256.1
2005235256.1
2006281256.1
2007267256.1
2008284256.1
2009236256.1
2010237237
First to last qualifying date each year at Don For each year, a bar from the first to the last day at Don meeting 30 C (86 F). 1983: 2 January 1983 to 31 December 19831985: 3 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 6 December 19871991: 1 January 1991 to 27 November 19911993: 17 January 1993 to 31 December 19931994: 3 January 1994 to 26 November 19941996: 8 January 1996 to 29 December 19961998: 2 January 1998 to 28 December 19982001: 5 January 2001 to 24 December 20012003: 5 January 2003 to 23 December 20032004: 18 February 2004 to 19 November 20042005: 11 January 2005 to 21 November 20052006: 1 January 2006 to 17 December 20062007: 6 February 2007 to 30 December 20072008: 1 January 2008 to 13 December 20082009: 21 January 2009 to 30 November 20092010: 7 February 2010 to 13 December 2010198319871994200120052008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Don meeting 30 C (86 F).
First to last qualifying date each year at Don
YearFirst dateLast date
19831983-01-021983-12-31
19851985-01-031985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-06
19911991-01-011991-11-27
19931993-01-171993-12-31
19941994-01-031994-11-26
19961996-01-081996-12-29
19981998-01-021998-12-28
20012001-01-052001-12-24
20032003-01-052003-12-23
20042004-02-182004-11-19
20052005-01-112005-11-21
20062006-01-012006-12-17
20072007-02-062007-12-30
20082008-01-012008-12-13
20092009-01-212009-11-30
20102010-02-072010-12-13

Every Fixed Threshold

Fixed thresholds at Don
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days183551986237
35 C (95 F): Days182321983172
40 C (104 F): Days106819832
45 C (113 F): Days1319833
90 F (32.2 C): Days183021986199
100 F (37.8 C): Days181411983105
110 F (43.3 C): Days1419834
20 C (68 F): Tropical nights (min181652003135
25 C (77 F): Days with min1855200752
10 mm (0.39 in): Days with 10 mm or more rain201819839
25 mm (0.98 in): Days with 25 mm or more rain201019833
50 mm (1.97 in): Days with 50 mm or more rain17520073
100 mm (3.94 in): Days with 100 mm or more rain4220092

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Don 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).