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Built 2026-10-14 (14 October 2026)

Troughton Island Threshold Days by Year

10 fixed thresholds counted per year at Troughton Island (ASN00001007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Troughton Island Thresholds

  • Troughton Island: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 2016 with 342.
  • Troughton Island: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 2016 with 235.
  • Troughton Island: nights with a minimum temperature at or above 20 C (68 F) in 41 years, most in 1972 with 366.
  • Troughton Island: nights with a minimum temperature at or above 25 C (77 F) in 41 years, most in 2016 with 306.
  • 10 fixed thresholds have at least one qualifying day at Troughton Island.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at Troughton Island Days per year at Troughton Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 342 in 2016. 01002003004001957: 2201958: 2731959: 2271960: 1971961: 2341962: 2321963: 2191964: 2561965: 2301966: 2361967: 2251968: 2511969: 2391970: 2761971: 2751972: 2592000: 2262001: 2632002: 2632003: 2792004: 2462005: 3032006: 2262007: 2682008: 2672009: 2972010: 2912011: 1872012: 2272013: 2902014: 2602015: 2592016: 3422017: 2922018: 2722019: 2552020: 2882021: 3082024: 2912025: 2792026: 199195719621967197220042009201420192026
Days per year at Troughton Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 342 in 2016.
Days at or above 30 C (86 F) per year at Troughton Island
YearDaysDecade average
1957220240
1958273240
1959227240
1960197231.9
1961234231.9
1962232231.9
1963219231.9
1964256231.9
1965230231.9
1966236231.9
1967225231.9
1968251231.9
1969239231.9
1970276270
1971275270
1972259270
2000226263.8
2001263263.8
2002263263.8
2003279263.8
2004246263.8
2005303263.8
2006226263.8
2007268263.8
2008267263.8
2009297263.8
2010291267.5
2011187267.5
2012227267.5
2013290267.5
2014260267.5
2015259267.5
2016342267.5
2017292267.5
2018272267.5
2019255267.5
2020288273
2021308273
2024291273
2025279273
2026199273
First to last qualifying date each year at Troughton Island For each year, a bar from the first to the last day at Troughton Island meeting 30 C (86 F). 1957: 1 January 1957 to 31 December 19571958: 1 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611962: 1 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19722000: 4 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 2 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20032004: 2 January 2004 to 31 December 20042005: 1 January 2005 to 30 December 20052006: 5 January 2006 to 31 December 20062007: 1 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 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: 2 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 20212024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 7 October 20261957196319692002200820142020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Troughton Island meeting 30 C (86 F).
First to last qualifying date each year at Troughton Island
YearFirst dateLast date
19571957-01-011957-12-31
19581958-01-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-011963-12-31
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
20002000-01-042000-12-31
20012001-01-012001-12-31
20022002-01-022002-12-31
20032003-01-012003-12-31
20042004-01-022004-12-31
20052005-01-012005-12-30
20062006-01-052006-12-31
20072007-01-012007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-022015-12-31
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
20242024-01-012024-12-31
20252025-01-012025-12-31
20262026-01-012026-10-07

Every Fixed Threshold

Fixed thresholds at Troughton Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days413422016199
35 C (95 F): Days271920161
90 F (32.2 C): Days41235201657
20 C (68 F): Tropical nights (min413661972277
25 C (77 F): Days with min413062016148
10 mm (0.39 in): Days with 10 mm or more rain3639201133
25 mm (0.98 in): Days with 25 mm or more rain3623201123
50 mm (1.97 in): Days with 50 mm or more rain34919649
100 mm (3.94 in): Days with 100 mm or more rain17419641
200 mm (7.87 in): Days with 200 mm or more rain3220091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Troughton 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-13).