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Built 2026-10-19 (19 October 2026)

Arecibo 3 ESE Threshold Days by Year (RQC00660410)

10 fixed thresholds counted per year at Arecibo 3 ESE (RQC00660410): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arecibo 3 ESE Thresholds

  • Arecibo 3 ESE: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1981 with 63.
  • Arecibo 3 ESE: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1979 with 28.
  • Arecibo 3 ESE: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1998 with 349.
  • Arecibo 3 ESE: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1998 with 233.
  • 10 fixed thresholds have at least one qualifying day at Arecibo 3 ESE.
51 years with a qualifying day
Days at or above 30 C (86 F) per year at Arecibo 3 ESE Days per year at Arecibo 3 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 349 in 1998. 01002003004001933: 2161934: 2371935: 2061937: 2501939: 2541940: 2731941: 3031942: 2971943: 2741944: 2051945: 2021946: 2271947: 2811948: 2461949: 2371950: 2011953: 2681954: 2451955: 2451956: 2161957: 2541958: 2901959: 2991960: 3021961: 2341962: 2611963: 3071964: 2991965: 2471967: 2821968: 2751969: 2991970: 2921971: 2531972: 2401973: 2681974: 2311975: 2641976: 2481978: 3161979: 3151980: 3241981: 2781988: 2811991: 2441993: 2851994: 3331995: 3191996: 2721997: 2711998: 349193319411947195519611968197419811996
Days per year at Arecibo 3 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 349 in 1998.
Days at or above 30 C (86 F) per year at Arecibo 3 ESE
YearDaysDecade average
1933216232.6
1934237232.6
1935206232.6
1937250232.6
1939254232.6
1940273254.5
1941303254.5
1942297254.5
1943274254.5
1944205254.5
1945202254.5
1946227254.5
1947281254.5
1948246254.5
1949237254.5
1950201252.3
1953268252.3
1954245252.3
1955245252.3
1956216252.3
1957254252.3
1958290252.3
1959299252.3
1960302278.4
1961234278.4
1962261278.4
1963307278.4
1964299278.4
1965247278.4
1967282278.4
1968275278.4
1969299278.4
1970292269.7
1971253269.7
1972240269.7
1973268269.7
1974231269.7
1975264269.7
1976248269.7
1978316269.7
1979315269.7
1980324294.3
1981278294.3
1988281294.3
1991244296.1
1993285296.1
1994333296.1
1995319296.1
1996272296.1
1997271296.1
1998349296.1
First to last qualifying date each year at Arecibo 3 ESE For each year, a bar from the first to the last day at Arecibo 3 ESE meeting 30 C (86 F). 1933: 29 January 1933 to 28 November 19331934: 24 January 1934 to 22 December 19341935: 29 March 1935 to 26 December 19351937: 10 February 1937 to 15 December 19371939: 15 January 1939 to 31 December 19391940: 1 January 1940 to 29 December 19401941: 17 January 1941 to 31 December 19411942: 1 January 1942 to 25 December 19421943: 8 January 1943 to 22 December 19431944: 10 January 1944 to 21 November 19441945: 31 January 1945 to 29 December 19451946: 20 January 1946 to 17 December 19461947: 24 January 1947 to 27 December 19471948: 3 January 1948 to 29 December 19481949: 3 January 1949 to 25 December 19491950: 22 March 1950 to 20 December 19501953: 1 January 1953 to 27 December 19531954: 8 January 1954 to 24 December 19541955: 10 January 1955 to 19 December 19551956: 10 January 1956 to 28 November 19561957: 13 February 1957 to 31 December 19571958: 1 January 1958 to 30 December 19581959: 2 January 1959 to 30 December 19591960: 1 January 1960 to 23 December 19601961: 16 January 1961 to 31 December 19611962: 1 January 1962 to 20 December 19621963: 9 January 1963 to 31 December 19631964: 1 January 1964 to 3 December 19641965: 1 February 1965 to 25 December 19651967: 1 January 1967 to 30 December 19671968: 1 January 1968 to 29 December 19681969: 1 January 1969 to 29 December 19691970: 2 January 1970 to 28 December 19701971: 2 January 1971 to 26 December 19711972: 23 January 1972 to 31 December 19721973: 1 January 1973 to 30 December 19731974: 1 January 1974 to 29 December 19741975: 4 January 1975 to 30 November 19751976: 4 January 1976 to 31 December 19761978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 30 December 19801981: 4 January 1981 to 30 November 19811988: 3 January 1988 to 31 December 19881991: 14 January 1991 to 2 December 19911993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 30 December 19951996: 2 February 1996 to 28 December 19961997: 7 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 199819331942194919581965197319811997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arecibo 3 ESE meeting 30 C (86 F).
First to last qualifying date each year at Arecibo 3 ESE
YearFirst dateLast date
19331933-01-291933-11-28
19341934-01-241934-12-22
19351935-03-291935-12-26
19371937-02-101937-12-15
19391939-01-151939-12-31
19401940-01-011940-12-29
19411941-01-171941-12-31
19421942-01-011942-12-25
19431943-01-081943-12-22
19441944-01-101944-11-21
19451945-01-311945-12-29
19461946-01-201946-12-17
19471947-01-241947-12-27
19481948-01-031948-12-29
19491949-01-031949-12-25
19501950-03-221950-12-20
19531953-01-011953-12-27
19541954-01-081954-12-24
19551955-01-101955-12-19
19561956-01-101956-11-28
19571957-02-131957-12-31
19581958-01-011958-12-30
19591959-01-021959-12-30
19601960-01-011960-12-23
19611961-01-161961-12-31
19621962-01-011962-12-20
19631963-01-091963-12-31
19641964-01-011964-12-03
19651965-02-011965-12-25
19671967-01-011967-12-30
19681968-01-011968-12-29
19691969-01-011969-12-29
19701970-01-021970-12-28
19711971-01-021971-12-26
19721972-01-231972-12-31
19731973-01-011973-12-30
19741974-01-011974-12-29
19751975-01-041975-11-30
19761976-01-041976-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-30
19811981-01-041981-11-30
19881988-01-031988-12-31
19911991-01-141991-12-02
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-30
19961996-02-021996-12-28
19971997-01-071997-12-31
19981998-01-011998-12-31

Every Fixed Threshold

Fixed thresholds at Arecibo 3 ESE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days513491998349
35 C (95 F): Days2717199817
90 F (32.2 C): Days512331998233
20 C (68 F): Tropical nights (min492651960208
25 C (77 F): Days with min182319942
10 mm (0.39 in): Days with 10 mm or more rain5263198161
25 mm (0.98 in): Days with 25 mm or more rain5228197922
50 mm (1.97 in): Days with 50 mm or more rain501019655
100 mm (3.94 in): Days with 100 mm or more rain19319632
200 mm (7.87 in): Days with 200 mm or more rain1119751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Arecibo 3 ESE 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).