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

Citlaltepetl Threshold Days by Year (MXN00030350)

13 fixed thresholds counted per year at Citlaltepetl (MXN00030350): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Citlaltepetl Thresholds

  • Citlaltepetl: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 1991 with 49.
  • Citlaltepetl: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1990 with 24.
  • Citlaltepetl: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 2007 with 13.
  • Citlaltepetl: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 2006 with 203.
  • 13 fixed thresholds have at least one qualifying day at Citlaltepetl.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Citlaltepetl Days per year at Citlaltepetl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 203 in 2006. 01002003001981: 1771982: 2011983: 1841990: 1521991: 1642001: 1812002: 1982003: 1892004: 1842005: 1722006: 2032007: 1762008: 1601981198319912002200420062008
Days per year at Citlaltepetl with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 203 in 2006.
Days at or above 30 C (86 F) per year at Citlaltepetl
YearDaysDecade average
1981177187.3
1982201187.3
1983184187.3
1990152158
1991164158
2001181182.9
2002198182.9
2003189182.9
2004184182.9
2005172182.9
2006203182.9
2007176182.9
2008160182.9
First to last qualifying date each year at Citlaltepetl For each year, a bar from the first to the last day at Citlaltepetl meeting 30 C (86 F). 1981: 10 February 1981 to 28 December 19811982: 2 January 1982 to 24 December 19821983: 9 February 1983 to 28 December 19831990: 2 February 1990 to 27 November 19901991: 29 January 1991 to 31 October 19912001: 15 February 2001 to 27 November 20012002: 24 January 2002 to 11 November 20022003: 6 February 2003 to 27 November 20032004: 4 January 2004 to 22 December 20042005: 13 February 2005 to 13 November 20052006: 16 January 2006 to 14 November 20062007: 24 February 2007 to 22 October 20072008: 29 January 2008 to 9 December 20081981198319912002200420062008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Citlaltepetl meeting 30 C (86 F).
First to last qualifying date each year at Citlaltepetl
YearFirst dateLast date
19811981-02-101981-12-28
19821982-01-021982-12-24
19831983-02-091983-12-28
19901990-02-021990-11-27
19911991-01-291991-10-31
20012001-02-152001-11-27
20022002-01-242002-11-11
20032003-02-062003-11-27
20042004-01-042004-12-22
20052005-02-132005-11-13
20062006-01-162006-11-14
20072007-02-242007-10-22
20082008-01-292008-12-09

Every Fixed Threshold

Fixed thresholds at Citlaltepetl
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days132032006160
35 C (95 F): Days1364200346
40 C (104 F): Days7520085
90 F (32.2 C): Days131432006103
100 F (37.8 C): Days1114200311
0 C (32 F): Frost days (min1119831
20 C (68 F): Tropical nights (min132141982167
25 C (77 F): Days with min133719911
10 mm (0.39 in): Days with 10 mm or more rain1549199148
25 mm (0.98 in): Days with 25 mm or more rain1524199022
50 mm (1.97 in): Days with 50 mm or more rain1513200711
100 mm (3.94 in): Days with 100 mm or more rain13520032
200 mm (7.87 in): Days with 200 mm or more rain2119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Citlaltepetl 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).