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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Monclova Threshold Days by Year

14 fixed thresholds counted per year at Monclova (MXM00076342): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monclova Thresholds

  • Monclova: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1970 with 30.
  • Monclova: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1976 with 8.
  • Monclova: nights with a minimum temperature at or above 20 C (68 F) in 30 years, most in 1954 with 151.
  • Monclova: nights with a minimum temperature at or above 25 C (77 F) in 29 years, most in 1953 with 53.
  • 14 fixed thresholds have at least one qualifying day at Monclova.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Monclova Days per year at Monclova with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 226 in 1956. 01002003001952: 1991953: 2071954: 2151955: 2081956: 2261957: 1981958: 1711959: 2021960: 2091961: 2081962: 2191963: 2001964: 2001965: 1921966: 1911967: 1731968: 1621969: 1771970: 1471971: 1731972: 2151973: 841974: 1971975: 1801976: 1461977: 2062025: 86195219551958196119641967197019731976
Days per year at Monclova with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 226 in 1956.
Days at or above 30 C (86 F) per year at Monclova
YearDaysDecade average
1952199203.3
1953207203.3
1954215203.3
1955208203.3
1956226203.3
1957198203.3
1958171203.3
1959202203.3
1960209193.1
1961208193.1
1962219193.1
1963200193.1
1964200193.1
1965192193.1
1966191193.1
1967173193.1
1968162193.1
1969177193.1
1970147168.5
1971173168.5
1972215168.5
197384168.5
1974197168.5
1975180168.5
1976146168.5
1977206168.5
20258686
First to last qualifying date each year at Monclova For each year, a bar from the first to the last day at Monclova meeting 30 C (86 F). 1952: 1 January 1952 to 17 November 19521953: 7 January 1953 to 27 November 19531954: 19 January 1954 to 27 December 19541955: 19 February 1955 to 25 December 19551956: 28 January 1956 to 7 December 19561957: 8 January 1957 to 18 December 19571958: 30 January 1958 to 16 November 19581959: 18 January 1959 to 25 December 19591960: 11 January 1960 to 14 November 19601961: 11 February 1961 to 10 December 19611962: 4 February 1962 to 16 November 19621963: 9 January 1963 to 7 November 19631964: 11 February 1964 to 28 December 19641965: 7 January 1965 to 26 November 19651966: 1 March 1966 to 5 December 19661967: 29 January 1967 to 28 November 19671968: 30 March 1968 to 16 December 19681969: 7 January 1969 to 13 November 19691970: 28 January 1970 to 21 December 19701971: 3 January 1971 to 14 December 19711972: 22 January 1972 to 27 November 19721973: 5 March 1973 to 24 November 19731974: 17 February 1974 to 23 December 19741975: 27 January 1975 to 29 November 19751976: 4 February 1976 to 11 November 19761977: 18 February 1977 to 18 December 19772025: 4 February 2025 to 24 August 20251952195619601964196819721976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Monclova meeting 30 C (86 F).
First to last qualifying date each year at Monclova
YearFirst dateLast date
19521952-01-011952-11-17
19531953-01-071953-11-27
19541954-01-191954-12-27
19551955-02-191955-12-25
19561956-01-281956-12-07
19571957-01-081957-12-18
19581958-01-301958-11-16
19591959-01-181959-12-25
19601960-01-111960-11-14
19611961-02-111961-12-10
19621962-02-041962-11-16
19631963-01-091963-11-07
19641964-02-111964-12-28
19651965-01-071965-11-26
19661966-03-011966-12-05
19671967-01-291967-11-28
19681968-03-301968-12-16
19691969-01-071969-11-13
19701970-01-281970-12-21
19711971-01-031971-12-14
19721972-01-221972-11-27
19731973-03-051973-11-24
19741974-02-171974-12-23
19751975-01-271975-11-29
19761976-02-041976-11-11
19771977-02-181977-12-18
20252025-02-042025-08-24

Every Fixed Threshold

Fixed thresholds at Monclova
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days27226195686
35 C (95 F): Days27136196272
40 C (104 F): Days2423197728
45 C (113 F): Days3119591
90 F (32.2 C): Days27193196281
100 F (37.8 C): Days2780195353
110 F (43.3 C): Days7219572
0 C (32 F): Frost days (min281819633
20 C (68 F): Tropical nights (min30151195461
25 C (77 F): Days with min2953195328
10 mm (0.39 in): Days with 10 mm or more rain503019707
25 mm (0.98 in): Days with 25 mm or more rain44819762
50 mm (1.97 in): Days with 50 mm or more rain18319631
100 mm (3.94 in): Days with 100 mm or more rain3119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Monclova 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).