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Built 2026-10-19 (19 October 2026)

Hacmas Threshold Days by Year (AJ000037673)

3 fixed thresholds counted per year at Hacmas (AJ000037673): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hacmas Thresholds

  • Hacmas: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1984 with 14.
  • Hacmas: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1980 with 4.
  • Hacmas: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1967 with 2.
  • 3 fixed thresholds have at least one qualifying day at Hacmas.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hacmas Days per year at Hacmas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1984. 0510151955: 101956: 51957: 41958: 81959: 81960: 51961: 21962: 61963: 131964: 31965: 31967: 91968: 41969: 31970: 71971: 61972: 71973: 111974: 41975: 31976: 41977: 51978: 51979: 41980: 71981: 121982: 71983: 31984: 141985: 51986: 51987: 819551959196319681972197619801984
Days per year at Hacmas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1984.
Days with 10 mm (0.39 in) or more of precipitation per year at Hacmas
YearDaysDecade average
1955107
195657
195747
195887
195987
196055.3
196125.3
196265.3
1963135.3
196435.3
196535.3
196795.3
196845.3
196935.3
197075.6
197165.6
197275.6
1973115.6
197445.6
197535.6
197645.6
197755.6
197855.6
197945.6
198077.6
1981127.6
198277.6
198337.6
1984147.6
198557.6
198657.6
198787.6
First to last qualifying date each year at Hacmas For each year, a bar from the first to the last day at Hacmas meeting 10 mm (0.39 in). 1955: 3 March 1955 to 24 November 19551956: 13 March 1956 to 9 November 19561957: 1 June 1957 to 20 December 19571958: 20 March 1958 to 8 October 19581959: 4 March 1959 to 11 December 19591960: 8 July 1960 to 30 December 19601961: 17 May 1961 to 22 October 19611962: 25 March 1962 to 10 November 19621963: 18 March 1963 to 31 December 19631964: 4 September 1964 to 3 October 19641965: 21 July 1965 to 14 October 19651967: 24 February 1967 to 27 November 19671968: 11 July 1968 to 1 November 19681969: 15 March 1969 to 18 April 19691970: 19 February 1970 to 22 December 19701971: 15 March 1971 to 25 December 19711972: 6 May 1972 to 29 October 19721973: 16 January 1973 to 19 December 19731974: 7 April 1974 to 26 November 19741975: 1 February 1975 to 4 October 19751976: 25 April 1976 to 21 October 19761977: 15 April 1977 to 11 October 19771978: 7 May 1978 to 16 December 19781979: 28 March 1979 to 19 December 19791980: 13 March 1980 to 29 October 19801981: 21 February 1981 to 27 December 19811982: 19 March 1982 to 20 October 19821983: 21 February 1983 to 4 October 19831984: 8 February 1984 to 31 December 19841985: 7 March 1985 to 28 July 19851986: 10 February 1986 to 30 October 19861987: 20 March 1987 to 25 December 198719551959196319681972197619801984JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hacmas meeting 10 mm (0.39 in).
First to last qualifying date each year at Hacmas
YearFirst dateLast date
19551955-03-031955-11-24
19561956-03-131956-11-09
19571957-06-011957-12-20
19581958-03-201958-10-08
19591959-03-041959-12-11
19601960-07-081960-12-30
19611961-05-171961-10-22
19621962-03-251962-11-10
19631963-03-181963-12-31
19641964-09-041964-10-03
19651965-07-211965-10-14
19671967-02-241967-11-27
19681968-07-111968-11-01
19691969-03-151969-04-18
19701970-02-191970-12-22
19711971-03-151971-12-25
19721972-05-061972-10-29
19731973-01-161973-12-19
19741974-04-071974-11-26
19751975-02-011975-10-04
19761976-04-251976-10-21
19771977-04-151977-10-11
19781978-05-071978-12-16
19791979-03-281979-12-19
19801980-03-131980-10-29
19811981-02-211981-12-27
19821982-03-191982-10-20
19831983-02-211983-10-04
19841984-02-081984-12-31
19851985-03-071985-07-28
19861986-02-101986-10-30
19871987-03-201987-12-25

Every Fixed Threshold

Fixed thresholds at Hacmas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain321419848
25 mm (0.98 in): Days with 25 mm or more rain17419801
50 mm (1.97 in): Days with 50 mm or more rain3219671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Hacmas 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).