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

Zempoala (Clfc) Threshold Days by Year (MXN00021112)

3 fixed thresholds counted per year at Zempoala (Clfc) (MXN00021112): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zempoala (Clfc) Thresholds

  • Zempoala (Clfc): days with 10 mm (0.39 in) or more of precipitation in 7 years, most in 1968 with 74.
  • Zempoala (Clfc): days with 25 mm (0.98 in) or more of precipitation in 7 years, most in 1971 with 31.
  • Zempoala (Clfc): days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1971 with 5.
  • 3 fixed thresholds have at least one qualifying day at Zempoala (Clfc).
7 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Zempoala (Clfc) Days per year at Zempoala (Clfc) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 74 in 1968. 0204060801968: 741971: 701976: 631977: 251980: 341982: 452001: 321968197119761977198019822001
Days per year at Zempoala (Clfc) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 74 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Zempoala (Clfc)
YearDaysDecade average
19687474
19717052.7
19766352.7
19772552.7
19803439.5
19824539.5
20013232
First to last qualifying date each year at Zempoala (Clfc) For each year, a bar from the first to the last day at Zempoala (Clfc) meeting 10 mm (0.39 in). 1968: 13 January 1968 to 31 December 19681971: 15 January 1971 to 22 December 19711976: 20 January 1976 to 20 December 19761977: 16 January 1977 to 6 December 19771980: 3 January 1980 to 4 December 19801982: 27 February 1982 to 29 December 19822001: 26 April 2001 to 17 December 20011968197119761977198019822001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zempoala (Clfc) meeting 10 mm (0.39 in).
First to last qualifying date each year at Zempoala (Clfc)
YearFirst dateLast date
19681968-01-131968-12-31
19711971-01-151971-12-22
19761976-01-201976-12-20
19771977-01-161977-12-06
19801980-01-031980-12-04
19821982-02-271982-12-29
20012001-04-262001-12-17

Every Fixed Threshold

Fixed thresholds at Zempoala (Clfc)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain774196832
25 mm (0.98 in): Days with 25 mm or more rain73119718
50 mm (1.97 in): Days with 50 mm or more rain5519711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Zempoala (Clfc) 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).