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Built 2026-10-19 (19 October 2026)

Aibonito 1 S Threshold Days by Year (RQC00660158)

10 fixed thresholds counted per year at Aibonito 1 S (RQC00660158): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aibonito 1 S Thresholds

  • Aibonito 1 S: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1911 with 78.
  • Aibonito 1 S: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 2011 with 32.
  • Aibonito 1 S: days with 50 mm (1.97 in) or more of precipitation in 71 years, most in 2011 with 13.
  • Aibonito 1 S: nights with a minimum temperature at or above 20 C (68 F) in 52 years, most in 2024 with 204.
  • 10 fixed thresholds have at least one qualifying day at Aibonito 1 S.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Aibonito 1 S Days per year at Aibonito 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1922. 02550751001906: 111907: 871909: 321911: 361912: 371913: 101915: 191916: 121917: 311921: 371922: 961923: 91924: 721925: 21926: 451954: 11955: 21959: 31960: 21968: 281970: 31971: 21974: 41976: 21994: 21995: 11996: 21997: 52000: 12001: 82002: 52007: 22008: 142009: 12010: 12012: 32013: 12015: 72016: 12019: 12020: 102021: 52022: 72023: 102024: 62025: 62026: 651906191319221954197019952002201220202025
Days per year at Aibonito 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1922.
Days at or above 30 C (86 F) per year at Aibonito 1 S
YearDaysDecade average
19061143.3
19078743.3
19093243.3
19113624.2
19123724.2
19131024.2
19151924.2
19161224.2
19173124.2
19213743.5
19229643.5
1923943.5
19247243.5
1925243.5
19264543.5
195412
195522
195932
1960215
19682815
197032.8
197122.8
197442.8
197622.8
199422.5
199512.5
199622.5
199752.5
200015.2
200185.2
200255.2
200725.2
2008145.2
200915.2
201012.3
201232.3
201312.3
201572.3
201612.3
201912.3
20201015.6
2021515.6
2022715.6
20231015.6
2024615.6
2025615.6
20266515.6
First to last qualifying date each year at Aibonito 1 S For each year, a bar from the first to the last day at Aibonito 1 S meeting 30 C (86 F). 1906: 30 July 1906 to 24 October 19061907: 14 January 1907 to 22 November 19071909: 7 May 1909 to 25 October 19091911: 15 June 1911 to 18 September 19111912: 27 February 1912 to 6 November 19121913: 31 August 1913 to 26 November 19131915: 6 January 1915 to 5 October 19151916: 5 March 1916 to 13 November 19161917: 5 March 1917 to 17 November 19171921: 12 June 1921 to 30 November 19211922: 25 April 1922 to 1 November 19221923: 3 May 1923 to 9 October 19231924: 26 January 1924 to 19 November 19241925: 3 September 1925 to 19 September 19251926: 3 February 1926 to 24 October 19261954: 7 July 1954 to 7 July 19541955: 30 December 1955 to 31 December 19551959: 3 July 1959 to 28 August 19591960: 1 July 1960 to 29 September 19601968: 23 April 1968 to 29 November 19681970: 27 January 1970 to 3 May 19701971: 8 March 1971 to 25 September 19711974: 10 July 1974 to 30 September 19741976: 30 August 1976 to 31 August 19761994: 23 June 1994 to 22 August 19941995: 14 August 1995 to 14 August 19951996: 2 September 1996 to 23 October 19961997: 16 June 1997 to 6 October 19972000: 22 September 2000 to 22 September 20002001: 23 June 2001 to 8 October 20012002: 31 July 2002 to 12 October 20022007: 23 June 2007 to 3 July 20072008: 16 June 2008 to 12 August 20082009: 27 August 2009 to 27 August 20092010: 7 August 2010 to 7 August 20102012: 12 June 2012 to 28 June 20122013: 30 September 2013 to 30 September 20132015: 1 August 2015 to 11 September 20152016: 23 October 2016 to 23 October 20162019: 27 August 2019 to 27 August 20192020: 18 May 2020 to 5 July 20202021: 21 May 2021 to 8 September 20212022: 4 June 2022 to 26 June 20222023: 10 June 2023 to 19 October 20232024: 27 May 2024 to 19 September 20242025: 25 July 2025 to 12 September 20252026: 3 June 2026 to 27 September 202619061915192419601994200220132022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aibonito 1 S meeting 30 C (86 F).
First to last qualifying date each year at Aibonito 1 S
YearFirst dateLast date
19061906-07-301906-10-24
19071907-01-141907-11-22
19091909-05-071909-10-25
19111911-06-151911-09-18
19121912-02-271912-11-06
19131913-08-311913-11-26
19151915-01-061915-10-05
19161916-03-051916-11-13
19171917-03-051917-11-17
19211921-06-121921-11-30
19221922-04-251922-11-01
19231923-05-031923-10-09
19241924-01-261924-11-19
19251925-09-031925-09-19
19261926-02-031926-10-24
19541954-07-071954-07-07
19551955-12-301955-12-31
19591959-07-031959-08-28
19601960-07-011960-09-29
19681968-04-231968-11-29
19701970-01-271970-05-03
19711971-03-081971-09-25
19741974-07-101974-09-30
19761976-08-301976-08-31
19941994-06-231994-08-22
19951995-08-141995-08-14
19961996-09-021996-10-23
19971997-06-161997-10-06
20002000-09-222000-09-22
20012001-06-232001-10-08
20022002-07-312002-10-12
20072007-06-232007-07-03
20082008-06-162008-08-12
20092009-08-272009-08-27
20102010-08-072010-08-07
20122012-06-122012-06-28
20132013-09-302013-09-30
20152015-08-012015-09-11
20162016-10-232016-10-23
20192019-08-272019-08-27
20202020-05-182020-07-05
20212021-05-212021-09-08
20222022-06-042022-06-26
20232023-06-102023-10-19
20242024-05-272024-09-19
20252025-07-252025-09-12
20262026-06-032026-09-27

Every Fixed Threshold

Fixed thresholds at Aibonito 1 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4796192265
35 C (95 F): Days2119221
90 F (32.2 C): Days111819221
20 C (68 F): Tropical nights (min522042024127
25 C (77 F): Days with min1219542
10 mm (0.39 in): Days with 10 mm or more rain7778191123
25 mm (0.98 in): Days with 25 mm or more rain773220119
50 mm (1.97 in): Days with 50 mm or more rain711320117
100 mm (3.94 in): Days with 100 mm or more rain34520112
200 mm (7.87 in): Days with 200 mm or more rain9219701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Aibonito 1 S 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 (2026-10-17).