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

Hopelchen Threshold Days by Year (MXN00004013)

14 fixed thresholds counted per year at Hopelchen (MXN00004013): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hopelchen Thresholds

  • Hopelchen: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1983 with 51.
  • Hopelchen: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1967 with 20.
  • Hopelchen: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1971 with 354.
  • Hopelchen: days with a maximum temperature at or above 35 C (95 F) in 50 years, most in 1951 with 238.
  • 14 fixed thresholds have at least one qualifying day at Hopelchen.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Hopelchen Days per year at Hopelchen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 354 in 1971. 01002003004001947: 2691951: 3471953: 3291954: 3061955: 3011956: 3171957: 3121958: 2921959: 2971960: 3161961: 3311962: 3221963: 3151964: 3171965: 3181966: 2931967: 3171968: 3081969: 3161970: 3301971: 3541972: 3501982: 2181983: 1971984: 3231985: 3221986: 3351987: 3281988: 3191989: 3201990: 3031991: 3031992: 2951993: 3211994: 3511997: 3251998: 2671999: 2292000: 2532001: 2582002: 2612003: 2322004: 2852005: 2302006: 2392007: 2272008: 2452009: 2892010: 2912011: 3161947195619611966197119851990199720022007
Days per year at Hopelchen with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 354 in 1971.
Days at or above 30 C (86 F) per year at Hopelchen
YearDaysDecade average
1947269269
1951347312.6
1953329312.6
1954306312.6
1955301312.6
1956317312.6
1957312312.6
1958292312.6
1959297312.6
1960316315.3
1961331315.3
1962322315.3
1963315315.3
1964317315.3
1965318315.3
1966293315.3
1967317315.3
1968308315.3
1969316315.3
1970330344.7
1971354344.7
1972350344.7
1982218295.3
1983197295.3
1984323295.3
1985322295.3
1986335295.3
1987328295.3
1988319295.3
1989320295.3
1990303299.3
1991303299.3
1992295299.3
1993321299.3
1994351299.3
1997325299.3
1998267299.3
1999229299.3
2000253251.9
2001258251.9
2002261251.9
2003232251.9
2004285251.9
2005230251.9
2006239251.9
2007227251.9
2008245251.9
2009289251.9
2010291303.5
2011316303.5
First to last qualifying date each year at Hopelchen For each year, a bar from the first to the last day at Hopelchen meeting 30 C (86 F). 1947: 8 January 1947 to 31 December 19471951: 2 January 1951 to 31 December 19511953: 2 January 1953 to 31 December 19531954: 1 January 1954 to 31 December 19541955: 1 January 1955 to 25 December 19551956: 16 January 1956 to 24 December 19561957: 1 January 1957 to 31 December 19571958: 6 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 27 December 19611962: 5 January 1962 to 31 December 19621963: 1 January 1963 to 15 December 19631964: 6 January 1964 to 30 December 19641965: 5 January 1965 to 22 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721982: 1 January 1982 to 28 December 19821983: 7 January 1983 to 31 December 19831984: 3 January 1984 to 31 December 19841985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 30 December 19861987: 7 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19891990: 1 January 1990 to 30 December 19901991: 2 January 1991 to 31 December 19911992: 1 January 1992 to 28 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941997: 2 January 1997 to 27 December 19971998: 2 January 1998 to 31 December 19981999: 7 January 1999 to 12 December 19992000: 4 January 2000 to 27 December 20002001: 8 January 2001 to 25 December 20012002: 1 January 2002 to 23 December 20022003: 5 February 2003 to 18 November 20032004: 5 January 2004 to 31 December 20042005: 13 January 2005 to 31 December 20052006: 1 January 2006 to 29 December 20062007: 2 January 2007 to 30 December 20072008: 16 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 30 December 201119471958196519721988199720042011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hopelchen meeting 30 C (86 F).
First to last qualifying date each year at Hopelchen
YearFirst dateLast date
19471947-01-081947-12-31
19511951-01-021951-12-31
19531953-01-021953-12-31
19541954-01-011954-12-31
19551955-01-011955-12-25
19561956-01-161956-12-24
19571957-01-011957-12-31
19581958-01-061958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-27
19621962-01-051962-12-31
19631963-01-011963-12-15
19641964-01-061964-12-30
19651965-01-051965-12-22
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19821982-01-011982-12-28
19831983-01-071983-12-31
19841984-01-031984-12-31
19851985-01-011985-12-31
19861986-01-011986-12-30
19871987-01-071987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
19901990-01-011990-12-30
19911991-01-021991-12-31
19921992-01-011992-12-28
19931993-01-011993-12-31
19941994-01-011994-12-31
19971997-01-021997-12-27
19981998-01-021998-12-31
19991999-01-071999-12-12
20002000-01-042000-12-27
20012001-01-082001-12-25
20022002-01-012002-12-23
20032003-02-052003-11-18
20042004-01-052004-12-31
20052005-01-132005-12-31
20062006-01-012006-12-29
20072007-01-022007-12-30
20082008-01-162008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-30

Every Fixed Threshold

Fixed thresholds at Hopelchen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days503541971316
35 C (95 F): Days502381951143
40 C (104 F): Days3466195119
45 C (113 F): Days1219512
90 F (32.2 C): Days502891951234
100 F (37.8 C): Days49128195159
110 F (43.3 C): Days4719513
20 C (68 F): Tropical nights (min492802011280
25 C (77 F): Days with min3247201011
10 mm (0.39 in): Days with 10 mm or more rain5351198328
25 mm (0.98 in): Days with 25 mm or more rain5320196711
50 mm (1.97 in): Days with 50 mm or more rain49919832
100 mm (3.94 in): Days with 100 mm or more rain16519831
200 mm (7.87 in): Days with 200 mm or more rain2119881

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 Hopelchen 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).