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

Zapotitlan Palmas (Smn) Threshold Days by Year (MXN00020190)

7 fixed thresholds counted per year at Zapotitlan Palmas (Smn) (MXN00020190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zapotitlan Palmas (Smn) Thresholds

  • Zapotitlan Palmas (Smn): days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1958 with 41.
  • Zapotitlan Palmas (Smn): days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1959 with 13.
  • Zapotitlan Palmas (Smn): days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1966 with 6.
  • Zapotitlan Palmas (Smn): days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1991 with 106.
  • 7 fixed thresholds have at least one qualifying day at Zapotitlan Palmas (Smn).
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Zapotitlan Palmas (Smn) Days per year at Zapotitlan Palmas (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 106 in 1991. 0501001501986: 171987: 221988: 401989: 161990: 81991: 1061992: 361998: 1919861987198819891990199119921998
Days per year at Zapotitlan Palmas (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 106 in 1991.
Days at or above 30 C (86 F) per year at Zapotitlan Palmas (Smn)
YearDaysDecade average
19861723.8
19872223.8
19884023.8
19891623.8
1990842.3
199110642.3
19923642.3
19981942.3
First to last qualifying date each year at Zapotitlan Palmas (Smn) For each year, a bar from the first to the last day at Zapotitlan Palmas (Smn) meeting 30 C (86 F). 1986: 10 April 1986 to 20 November 19861987: 21 March 1987 to 27 May 19871988: 19 March 1988 to 4 June 19881989: 18 April 1989 to 10 June 19891990: 9 April 1990 to 2 May 19901991: 7 March 1991 to 18 November 19911992: 17 February 1992 to 15 May 19921998: 2 April 1998 to 25 May 199819861987198819891990199119921998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zapotitlan Palmas (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Zapotitlan Palmas (Smn)
YearFirst dateLast date
19861986-04-101986-11-20
19871987-03-211987-05-27
19881988-03-191988-06-04
19891989-04-181989-06-10
19901990-04-091990-05-02
19911991-03-071991-11-18
19921992-02-171992-05-15
19981998-04-021998-05-25

Every Fixed Threshold

Fixed thresholds at Zapotitlan Palmas (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8106199119
35 C (95 F): Days42719911
90 F (32.2 C): Days44319912
20 C (68 F): Tropical nights (min2519915
10 mm (0.39 in): Days with 10 mm or more rain4741195831
25 mm (0.98 in): Days with 25 mm or more rain471319597
50 mm (1.97 in): Days with 50 mm or more rain23619662

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Zapotitlan Palmas (Smn) 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).