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Built 2026-10-18 (18 October 2026)

Rundle Island Threshold Days by Year

5 fixed thresholds counted per year at Rundle Island (ASN00039322): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rundle Island Thresholds

  • Rundle Island: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1998 with 39.
  • Rundle Island: nights with a minimum temperature at or above 20 C (68 F) in 24 years, most in 1998 with 250.
  • Rundle Island: nights with a minimum temperature at or above 25 C (77 F) in 24 years, most in 1998 with 71.
  • Rundle Island: days with a maximum temperature at or above 90 F (32.2 C) in 9 years, most in 1998 with 5.
  • 5 fixed thresholds have at least one qualifying day at Rundle Island.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Rundle Island Days per year at Rundle Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1998. 0102030401998: 391999: 212000: 32001: 192002: 322003: 52004: 202005: 222006: 162007: 32008: 82009: 82010: 42011: 92012: 92014: 52015: 192016: 162017: 262020: 242021: 42023: 62024: 112025: 142026: 3199820012004200720102014201720232026
Days per year at Rundle Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1998.
Days at or above 30 C (86 F) per year at Rundle Island
YearDaysDecade average
19983930
19992130
2000313.6
20011913.6
20023213.6
2003513.6
20042013.6
20052213.6
20061613.6
2007313.6
2008813.6
2009813.6
2010412.6
2011912.6
2012912.6
2014512.6
20151912.6
20161612.6
20172612.6
20202410.3
2021410.3
2023610.3
20241110.3
20251410.3
2026310.3
First to last qualifying date each year at Rundle Island For each year, a bar from the first to the last day at Rundle Island meeting 30 C (86 F). 1998: 15 January 1998 to 30 December 19981999: 10 January 1999 to 30 December 19992000: 1 January 2000 to 18 April 20002001: 26 January 2001 to 29 December 20012002: 4 January 2002 to 24 December 20022003: 3 January 2003 to 24 December 20032004: 6 January 2004 to 22 December 20042005: 2 January 2005 to 30 December 20052006: 1 January 2006 to 31 March 20062007: 24 January 2007 to 23 October 20072008: 22 November 2008 to 30 December 20082009: 15 January 2009 to 23 December 20092010: 19 January 2010 to 7 February 20102011: 11 January 2011 to 27 December 20112012: 11 January 2012 to 28 December 20122014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 26 December 20152016: 5 January 2016 to 15 December 20162017: 1 January 2017 to 29 December 20172020: 1 January 2020 to 27 February 20202021: 8 February 2021 to 24 December 20212023: 2 February 2023 to 8 April 20232024: 18 January 2024 to 24 December 20242025: 9 January 2025 to 2 December 20252026: 27 January 2026 to 13 February 20261998200220062010201520212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rundle Island meeting 30 C (86 F).
First to last qualifying date each year at Rundle Island
YearFirst dateLast date
19981998-01-151998-12-30
19991999-01-101999-12-30
20002000-01-012000-04-18
20012001-01-262001-12-29
20022002-01-042002-12-24
20032003-01-032003-12-24
20042004-01-062004-12-22
20052005-01-022005-12-30
20062006-01-012006-03-31
20072007-01-242007-10-23
20082008-11-222008-12-30
20092009-01-152009-12-23
20102010-01-192010-02-07
20112011-01-112011-12-27
20122012-01-112012-12-28
20142014-01-012014-12-31
20152015-01-012015-12-26
20162016-01-052016-12-15
20172017-01-012017-12-29
20202020-01-012020-02-27
20212021-02-082021-12-24
20232023-02-022023-04-08
20242024-01-182024-12-24
20252025-01-092025-12-02
20262026-01-272026-02-13

Every Fixed Threshold

Fixed thresholds at Rundle Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days253919983
35 C (95 F): Days1120051
90 F (32.2 C): Days9519981
20 C (68 F): Tropical nights (min242501998143
25 C (77 F): Days with min2471199828

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Rundle 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).