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

Three Hummock Island Threshold Days by Year

4 fixed thresholds counted per year at Three Hummock Island (ASN00091100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Three Hummock Island Thresholds

  • Three Hummock Island: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1947 with 39.
  • Three Hummock Island: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2016 with 8.
  • Three Hummock Island: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1946 with 1.
  • Three Hummock Island: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2011 with 1.
  • 4 fixed thresholds have at least one qualifying day at Three Hummock Island.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Three Hummock Island Days per year at Three Hummock Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1947. 0102030401941: 151942: 311943: 171944: 191945: 211946: 311947: 391952: 381953: 261954: 221955: 222005: 182007: 222008: 202009: 332010: 202011: 212012: 222013: 362014: 192015: 262016: 332017: 142018: 152019: 132020: 222026: 13194119441947195420072010201320162019
Days per year at Three Hummock Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Three Hummock Island
YearDaysDecade average
19411524.7
19423124.7
19431724.7
19441924.7
19452124.7
19463124.7
19473924.7
19523827
19532627
19542227
19552227
20051823.3
20072223.3
20082023.3
20093323.3
20102021.9
20112121.9
20122221.9
20133621.9
20141921.9
20152621.9
20163321.9
20171421.9
20181521.9
20191321.9
20202217.5
20261317.5
First to last qualifying date each year at Three Hummock Island For each year, a bar from the first to the last day at Three Hummock Island meeting 10 mm (0.39 in). 1941: 24 January 1941 to 20 November 19411942: 20 January 1942 to 30 October 19421943: 16 February 1943 to 18 November 19431944: 4 January 1944 to 23 December 19441945: 1 January 1945 to 17 December 19451946: 20 January 1946 to 29 December 19461947: 3 February 1947 to 21 December 19471952: 11 January 1952 to 10 December 19521953: 6 January 1953 to 7 December 19531954: 28 January 1954 to 12 December 19541955: 15 February 1955 to 31 December 19552005: 5 January 2005 to 24 December 20052007: 7 January 2007 to 4 December 20072008: 25 March 2008 to 30 December 20082009: 16 March 2009 to 18 December 20092010: 5 February 2010 to 19 December 20102011: 11 January 2011 to 19 December 20112012: 4 March 2012 to 20 December 20122013: 22 March 2013 to 11 December 20132014: 6 January 2014 to 30 December 20142015: 9 January 2015 to 26 December 20152016: 30 January 2016 to 29 December 20162017: 13 January 2017 to 30 October 20172018: 24 February 2018 to 21 November 20182019: 9 February 2019 to 8 November 20192020: 20 January 2020 to 22 December 20202026: 2 March 2026 to 10 August 20261941194519532007201120152019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Three Hummock Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Three Hummock Island
YearFirst dateLast date
19411941-01-241941-11-20
19421942-01-201942-10-30
19431943-02-161943-11-18
19441944-01-041944-12-23
19451945-01-011945-12-17
19461946-01-201946-12-29
19471947-02-031947-12-21
19521952-01-111952-12-10
19531953-01-061953-12-07
19541954-01-281954-12-12
19551955-02-151955-12-31
20052005-01-052005-12-24
20072007-01-072007-12-04
20082008-03-252008-12-30
20092009-03-162009-12-18
20102010-02-052010-12-19
20112011-01-112011-12-19
20122012-03-042012-12-20
20132013-03-222013-12-11
20142014-01-062014-12-30
20152015-01-092015-12-26
20162016-01-302016-12-29
20172017-01-132017-10-30
20182018-02-242018-11-21
20192019-02-092019-11-08
20202020-01-202020-12-22
20262026-03-022026-08-10

Every Fixed Threshold

Fixed thresholds at Three Hummock Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2739194713
25 mm (0.98 in): Days with 25 mm or more rain23820161
50 mm (1.97 in): Days with 50 mm or more rain6119461
100 mm (3.94 in): Days with 100 mm or more rain1120111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Three Hummock Island 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 (2026-10-12).