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Built 2026-10-19 (19 October 2026)

Tapalapa Threshold Days by Year (MXN00030170)

11 fixed thresholds counted per year at Tapalapa (MXN00030170): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tapalapa Thresholds

  • Tapalapa: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1959 with 248.
  • Tapalapa: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 1996 with 94.
  • Tapalapa: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 1996 with 165.
  • Tapalapa: nights with a minimum temperature at or above 20 C (68 F) in 29 years, most in 1972 with 251.
  • 11 fixed thresholds have at least one qualifying day at Tapalapa.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Tapalapa Days per year at Tapalapa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 248 in 1959. 01002003001957: 1411958: 2231959: 2481960: 1561961: 1241962: 1721963: 1591964: 1511965: 1521966: 1371967: 1581968: 1331970: 1481972: 1811973: 1561974: 1701975: 1771976: 1601977: 1961978: 1471979: 1161980: 1241981: 1141982: 1541983: 1621984: 1191994: 2201995: 2391996: 2211957196019631966197019741977198019831995
Days per year at Tapalapa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 248 in 1959.
Days at or above 30 C (86 F) per year at Tapalapa
YearDaysDecade average
1957141204
1958223204
1959248204
1960156149.1
1961124149.1
1962172149.1
1963159149.1
1964151149.1
1965152149.1
1966137149.1
1967158149.1
1968133149.1
1970148161.2
1972181161.2
1973156161.2
1974170161.2
1975177161.2
1976160161.2
1977196161.2
1978147161.2
1979116161.2
1980124134.6
1981114134.6
1982154134.6
1983162134.6
1984119134.6
1994220226.7
1995239226.7
1996221226.7
First to last qualifying date each year at Tapalapa For each year, a bar from the first to the last day at Tapalapa meeting 30 C (86 F). 1957: 1 January 1957 to 19 November 19571958: 2 January 1958 to 31 December 19581959: 1 January 1959 to 27 December 19591960: 2 January 1960 to 27 November 19601961: 18 February 1961 to 17 December 19611962: 5 January 1962 to 21 November 19621963: 11 January 1963 to 13 December 19631964: 19 January 1964 to 4 December 19641965: 9 February 1965 to 13 October 19651966: 19 January 1966 to 21 October 19661967: 12 March 1967 to 19 December 19671968: 17 January 1968 to 27 December 19681970: 16 January 1970 to 19 December 19701972: 3 January 1972 to 30 December 19721973: 3 January 1973 to 28 November 19731974: 26 January 1974 to 22 December 19741975: 10 January 1975 to 2 November 19751976: 31 January 1976 to 26 December 19761977: 9 January 1977 to 17 December 19771978: 18 January 1978 to 7 December 19781979: 7 January 1979 to 9 November 19791980: 15 February 1980 to 14 November 19801981: 1 February 1981 to 28 December 19811982: 2 January 1982 to 25 December 19821983: 7 January 1983 to 5 December 19831984: 12 February 1984 to 31 December 19841994: 27 January 1994 to 8 December 19941995: 13 January 1995 to 14 November 19951996: 14 February 1996 to 30 November 199619571961196519701975197919831996JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tapalapa meeting 30 C (86 F).
First to last qualifying date each year at Tapalapa
YearFirst dateLast date
19571957-01-011957-11-19
19581958-01-021958-12-31
19591959-01-011959-12-27
19601960-01-021960-11-27
19611961-02-181961-12-17
19621962-01-051962-11-21
19631963-01-111963-12-13
19641964-01-191964-12-04
19651965-02-091965-10-13
19661966-01-191966-10-21
19671967-03-121967-12-19
19681968-01-171968-12-27
19701970-01-161970-12-19
19721972-01-031972-12-30
19731973-01-031973-11-28
19741974-01-261974-12-22
19751975-01-101975-11-02
19761976-01-311976-12-26
19771977-01-091977-12-17
19781978-01-181978-12-07
19791979-01-071979-11-09
19801980-02-151980-11-14
19811981-02-011981-12-28
19821982-01-021982-12-25
19831983-01-071983-12-05
19841984-02-121984-12-31
19941994-01-271994-12-08
19951995-01-131995-11-14
19961996-02-141996-11-30

Every Fixed Threshold

Fixed thresholds at Tapalapa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days292481959221
35 C (95 F): Days2994199694
90 F (32.2 C): Days291651996165
100 F (37.8 C): Days212819958
20 C (68 F): Tropical nights (min292511972148
25 C (77 F): Days with min261819579
10 mm (0.39 in): Days with 10 mm or more rain2992198348
25 mm (0.98 in): Days with 25 mm or more rain2952196517
50 mm (1.97 in): Days with 50 mm or more rain292819729
100 mm (3.94 in): Days with 100 mm or more rain281419723
200 mm (7.87 in): Days with 200 mm or more rain16519681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Tapalapa 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).