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

Milpa Alta Threshold Days by Year (MXN00009032)

6 fixed thresholds counted per year at Milpa Alta (MXN00009032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Milpa Alta Thresholds

  • Milpa Alta: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1955 with 49.
  • Milpa Alta: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1955 with 18.
  • Milpa Alta: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1944 with 19.
  • Milpa Alta: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 2005 with 30.
  • 6 fixed thresholds have at least one qualifying day at Milpa Alta.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Milpa Alta Days per year at Milpa Alta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2005. 01020301931: 21970: 11971: 61973: 41975: 11978: 31982: 31983: 131984: 11985: 31989: 31990: 31998: 82005: 301931197119751982198419891998
Days per year at Milpa Alta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2005.
Days at or above 30 C (86 F) per year at Milpa Alta
YearDaysDecade average
193122
197013
197163
197343
197513
197833
198234.6
1983134.6
198414.6
198534.6
198934.6
199035.5
199885.5
20053030
First to last qualifying date each year at Milpa Alta For each year, a bar from the first to the last day at Milpa Alta meeting 30 C (86 F). 1931: 12 May 1931 to 9 June 19311970: 28 April 1970 to 28 April 19701971: 25 April 1971 to 19 May 19711973: 24 May 1973 to 27 May 19731975: 7 May 1975 to 7 May 19751978: 17 April 1978 to 8 May 19781982: 5 April 1982 to 4 June 19821983: 30 April 1983 to 22 May 19831984: 30 April 1984 to 30 April 19841985: 12 May 1985 to 14 May 19851989: 18 May 1989 to 7 June 19891990: 28 May 1990 to 30 May 19901998: 14 April 1998 to 13 May 19982005: 1 April 2005 to 5 May 20051931197119751982198419891998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Milpa Alta meeting 30 C (86 F).
First to last qualifying date each year at Milpa Alta
YearFirst dateLast date
19311931-05-121931-06-09
19701970-04-281970-04-28
19711971-04-251971-05-19
19731973-05-241973-05-27
19751975-05-071975-05-07
19781978-04-171978-05-08
19821982-04-051982-06-04
19831983-04-301983-05-22
19841984-04-301984-04-30
19851985-05-121985-05-14
19891989-05-181989-06-07
19901990-05-281990-05-30
19981998-04-141998-05-13
20052005-04-012005-05-05

Every Fixed Threshold

Fixed thresholds at Milpa Alta
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1430200530
90 F (32.2 C): Days217200517
0 C (32 F): Frost days (min261919442
10 mm (0.39 in): Days with 10 mm or more rain5149195523
25 mm (0.98 in): Days with 25 mm or more rain511819553
50 mm (1.97 in): Days with 50 mm or more rain12219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Milpa Alta 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).