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

Usmajac Threshold Days by Year (MXN00014368)

10 fixed thresholds counted per year at Usmajac (MXN00014368): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Usmajac Thresholds

  • Usmajac: days with a maximum temperature at or above 30 C (86 F) in 6 years, most in 2009 with 227.
  • Usmajac: days with a maximum temperature at or above 35 C (95 F) in 6 years, most in 2006 with 61.
  • Usmajac: days with a maximum temperature at or above 90 F (32.2 C) in 6 years, most in 2009 with 115.
  • Usmajac: days with 10 mm (0.39 in) or more of precipitation in 6 years, most in 2006 with 30.
  • 10 fixed thresholds have at least one qualifying day at Usmajac.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Usmajac Days per year at Usmajac with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 227 in 2009. 01002003001982: 1471986: 1112006: 1892007: 2102008: 2232009: 227198219862006200720082009
Days per year at Usmajac with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 227 in 2009.
Days at or above 30 C (86 F) per year at Usmajac
YearDaysDecade average
1982147129
1986111129
2006189212.3
2007210212.3
2008223212.3
2009227212.3
First to last qualifying date each year at Usmajac For each year, a bar from the first to the last day at Usmajac meeting 30 C (86 F). 1982: 18 January 1982 to 12 November 19821986: 6 January 1986 to 23 November 19862006: 1 January 2006 to 2 December 20062007: 7 January 2007 to 31 December 20072008: 5 January 2008 to 31 December 20082009: 7 January 2009 to 28 December 2009198219862006200720082009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Usmajac meeting 30 C (86 F).
First to last qualifying date each year at Usmajac
YearFirst dateLast date
19821982-01-181982-11-12
19861986-01-061986-11-23
20062006-01-012006-12-02
20072007-01-072007-12-31
20082008-01-052008-12-31
20092009-01-072009-12-28

Every Fixed Threshold

Fixed thresholds at Usmajac
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days62272009227
35 C (95 F): Days661200654
40 C (104 F): Days1420094
90 F (32.2 C): Days61152009115
100 F (37.8 C): Days511200911
0 C (32 F): Frost days (min10n/a1
20 C (68 F): Tropical nights (min1119821
10 mm (0.39 in): Days with 10 mm or more rain630200618
25 mm (0.98 in): Days with 25 mm or more rain6920064
50 mm (1.97 in): Days with 50 mm or more rain2119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Usmajac 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).