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Data as of 2026-10-17
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Built 2026-10-18 (18 October 2026)

Sweers Island Threshold Days by Year

11 fixed thresholds counted per year at Sweers Island (ASN00029139): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sweers Island Thresholds

  • Sweers Island: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 2006 with 46.
  • Sweers Island: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 2011 with 27.
  • Sweers Island: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 2010 with 14.
  • Sweers Island: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 2016 with 240.
  • 11 fixed thresholds have at least one qualifying day at Sweers Island.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Sweers Island Days per year at Sweers Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 2016. 01002003002002: 2332003: 2252004: 2172005: 2302006: 1642007: 2332008: 2302009: 2222010: 2202011: 1762012: 2032013: 2322014: 2102015: 2082016: 2402017: 2172018: 2112019: 2122020: 2192021: 2192022: 2222023: 2032025: 1812026: 11320022005200820112014201720202023
Days per year at Sweers Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 2016.
Days at or above 30 C (86 F) per year at Sweers Island
YearDaysDecade average
2002233219.3
2003225219.3
2004217219.3
2005230219.3
2006164219.3
2007233219.3
2008230219.3
2009222219.3
2010220212.9
2011176212.9
2012203212.9
2013232212.9
2014210212.9
2015208212.9
2016240212.9
2017217212.9
2018211212.9
2019212212.9
2020219192.8
2021219192.8
2022222192.8
2023203192.8
2025181192.8
2026113192.8
First to last qualifying date each year at Sweers Island For each year, a bar from the first to the last day at Sweers Island meeting 30 C (86 F). 2002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 29 December 20072008: 1 January 2008 to 31 December 20082009: 2 January 2009 to 31 December 20092010: 2 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 29 December 20222023: 2 January 2023 to 31 December 20232025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 8 October 202620022005200820112014201720202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sweers Island meeting 30 C (86 F).
First to last qualifying date each year at Sweers Island
YearFirst dateLast date
20022002-01-012002-12-31
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-29
20082008-01-012008-12-31
20092009-01-022009-12-31
20102010-01-022010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-29
20232023-01-022023-12-31
20252025-01-012025-12-31
20262026-01-012026-10-08

Every Fixed Threshold

Fixed thresholds at Sweers Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days242402016113
35 C (95 F): Days243420221
90 F (32.2 C): Days24168201626
100 F (37.8 C): Days11320031
20 C (68 F): Tropical nights (min233182017169
25 C (77 F): Days with min23194201370
10 mm (0.39 in): Days with 10 mm or more rain2546200624
25 mm (0.98 in): Days with 25 mm or more rain252720116
50 mm (1.97 in): Days with 50 mm or more rain251420103
100 mm (3.94 in): Days with 100 mm or more rain19520101
200 mm (7.87 in): Days with 200 mm or more rain6220111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2002.

Download the Data

  • Data for Sweers 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 (2026-10-17).