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

Nopalapan Threshold Days by Year (MXN00030116)

14 fixed thresholds counted per year at Nopalapan (MXN00030116): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nopalapan Thresholds

  • Nopalapan: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1952 with 62.
  • Nopalapan: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1950 with 20.
  • Nopalapan: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1948 with 358.
  • Nopalapan: days with a maximum temperature at or above 35 C (95 F) in 24 years, most in 1948 with 259.
  • 14 fixed thresholds have at least one qualifying day at Nopalapan.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Nopalapan Days per year at Nopalapan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1948. 01002003004001947: 2931948: 3581949: 2041950: 311951: 841952: 771953: 561954: 1551955: 1971957: 2351958: 2271959: 2771960: 3011961: 2921962: 2471963: 2711964: 2671965: 2311966: 2141967: 2711968: 2461969: 2051974: 2511981: 27219471950195319571960196319661969
Days per year at Nopalapan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 358 in 1948.
Days at or above 30 C (86 F) per year at Nopalapan
YearDaysDecade average
1947293285
1948358285
1949204285
195031148.8
195184148.8
195277148.8
195356148.8
1954155148.8
1955197148.8
1957235148.8
1958227148.8
1959277148.8
1960301254.5
1961292254.5
1962247254.5
1963271254.5
1964267254.5
1965231254.5
1966214254.5
1967271254.5
1968246254.5
1969205254.5
1974251251
1981272272
First to last qualifying date each year at Nopalapan For each year, a bar from the first to the last day at Nopalapan meeting 30 C (86 F). 1947: 14 January 1947 to 31 December 19471948: 1 January 1948 to 27 December 19481949: 3 January 1949 to 22 October 19491950: 24 March 1950 to 3 June 19501951: 30 April 1951 to 14 September 19511952: 21 March 1952 to 15 July 19521953: 9 April 1953 to 9 December 19531954: 9 March 1954 to 28 December 19541955: 1 January 1955 to 19 November 19551957: 1 January 1957 to 21 December 19571958: 31 January 1958 to 29 December 19581959: 23 January 1959 to 31 December 19591960: 1 January 1960 to 30 December 19601961: 18 January 1961 to 30 December 19611962: 20 January 1962 to 31 December 19621963: 1 January 1963 to 22 December 19631964: 6 January 1964 to 31 December 19641965: 24 January 1965 to 20 December 19651966: 8 February 1966 to 31 December 19661967: 3 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 17 January 1969 to 29 December 19691974: 2 January 1974 to 31 December 19741981: 1 February 1981 to 31 December 198119471950195319571960196319661969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nopalapan meeting 30 C (86 F).
First to last qualifying date each year at Nopalapan
YearFirst dateLast date
19471947-01-141947-12-31
19481948-01-011948-12-27
19491949-01-031949-10-22
19501950-03-241950-06-03
19511951-04-301951-09-14
19521952-03-211952-07-15
19531953-04-091953-12-09
19541954-03-091954-12-28
19551955-01-011955-11-19
19571957-01-011957-12-21
19581958-01-311958-12-29
19591959-01-231959-12-31
19601960-01-011960-12-30
19611961-01-181961-12-30
19621962-01-201962-12-31
19631963-01-011963-12-22
19641964-01-061964-12-31
19651965-01-241965-12-20
19661966-02-081966-12-31
19671967-01-031967-12-31
19681968-01-011968-12-31
19691969-01-171969-12-29
19741974-01-021974-12-31
19811981-02-011981-12-31

Every Fixed Threshold

Fixed thresholds at Nopalapan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days243581948272
35 C (95 F): Days24259194857
40 C (104 F): Days164719485
45 C (113 F): Days1119631
90 F (32.2 C): Days243131948137
100 F (37.8 C): Days23150194816
110 F (43.3 C): Days2119581
20 C (68 F): Tropical nights (min233511948214
25 C (77 F): Days with min23178194820
10 mm (0.39 in): Days with 10 mm or more rain3062195246
25 mm (0.98 in): Days with 25 mm or more rain3020195017
50 mm (1.97 in): Days with 50 mm or more rain23619494
100 mm (3.94 in): Days with 100 mm or more rain5219491
200 mm (7.87 in): Days with 200 mm or more rain2219521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Nopalapan 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).