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Built 2026-10-19 (19 October 2026)

Atarjea Threshold Days by Year (MXN00011111)

12 fixed thresholds counted per year at Atarjea (MXN00011111): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atarjea Thresholds

  • Atarjea: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 2009 with 192.
  • Atarjea: days with a maximum temperature at or above 35 C (95 F) in 20 years, most in 2011 with 76.
  • Atarjea: days with a maximum temperature at or above 90 F (32.2 C) in 20 years, most in 2011 with 107.
  • Atarjea: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 2010 with 38.
  • 12 fixed thresholds have at least one qualifying day at Atarjea.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Atarjea Days per year at Atarjea with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 192 in 2009. 0501001502001977: 1141978: 991979: 1091980: 1601981: 891982: 1671983: 1521984: 1331985: 1111991: 1551996: 991997: 1372005: 1172006: 1762007: 1352008: 1362009: 1922010: 1472011: 1892012: 1551977197919811983198519962005200720092011
Days per year at Atarjea with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 192 in 2009.
Days at or above 30 C (86 F) per year at Atarjea
YearDaysDecade average
1977114107.3
197899107.3
1979109107.3
1980160135.3
198189135.3
1982167135.3
1983152135.3
1984133135.3
1985111135.3
1991155130.3
199699130.3
1997137130.3
2005117151.2
2006176151.2
2007135151.2
2008136151.2
2009192151.2
2010147163.7
2011189163.7
2012155163.7
First to last qualifying date each year at Atarjea For each year, a bar from the first to the last day at Atarjea meeting 30 C (86 F). 1977: 9 January 1977 to 7 November 19771978: 16 January 1978 to 6 December 19781979: 13 January 1979 to 26 December 19791980: 10 January 1980 to 16 November 19801981: 1 February 1981 to 19 December 19811982: 3 January 1982 to 24 December 19821983: 2 February 1983 to 13 December 19831984: 15 February 1984 to 22 October 19841985: 29 January 1985 to 11 December 19851991: 30 January 1991 to 29 October 19911996: 8 January 1996 to 14 August 19961997: 4 January 1997 to 25 December 19972005: 13 January 2005 to 15 December 20052006: 4 January 2006 to 25 December 20062007: 30 January 2007 to 23 December 20072008: 9 January 2008 to 31 December 20082009: 3 January 2009 to 21 December 20092010: 21 January 2010 to 23 December 20102011: 8 January 2011 to 22 December 20112012: 17 January 2012 to 2 November 20121977198019831991200520082011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Atarjea meeting 30 C (86 F).
First to last qualifying date each year at Atarjea
YearFirst dateLast date
19771977-01-091977-11-07
19781978-01-161978-12-06
19791979-01-131979-12-26
19801980-01-101980-11-16
19811981-02-011981-12-19
19821982-01-031982-12-24
19831983-02-021983-12-13
19841984-02-151984-10-22
19851985-01-291985-12-11
19911991-01-301991-10-29
19961996-01-081996-08-14
19971997-01-041997-12-25
20052005-01-132005-12-15
20062006-01-042006-12-25
20072007-01-302007-12-23
20082008-01-092008-12-31
20092009-01-032009-12-21
20102010-01-212010-12-23
20112011-01-082011-12-22
20122012-01-172012-11-02

Every Fixed Threshold

Fixed thresholds at Atarjea
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days201922009155
35 C (95 F): Days2076201114
40 C (104 F): Days8519914
90 F (32.2 C): Days20107201150
100 F (37.8 C): Days1538201138
0 C (32 F): Frost days (min7419971
20 C (68 F): Tropical nights (min1559197711
25 C (77 F): Days with min1119841
10 mm (0.39 in): Days with 10 mm or more rain2038201022
25 mm (0.98 in): Days with 25 mm or more rain201720086
50 mm (1.97 in): Days with 50 mm or more rain12419812
100 mm (3.94 in): Days with 100 mm or more rain3220102

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Atarjea 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).