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Built 2026-10-19 (19 October 2026)

Irwin House Threshold Days by Year (ASN00008276)

3 fixed thresholds counted per year at Irwin House (ASN00008276): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Irwin House Thresholds

  • Irwin House: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1984 with 21.
  • Irwin House: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1999 with 7.
  • Irwin House: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1999 with 3.
  • 3 fixed thresholds have at least one qualifying day at Irwin House.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Irwin House Days per year at Irwin House with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1984. 01020301983: 141984: 211985: 111986: 181987: 191988: 181989: 141990: 151991: 211992: 191993: 111994: 121995: 171996: 211997: 181999: 182000: 112001: 142002: 72003: 172004: 82005: 112006: 82007: 72008: 142009: 132013: 162018: 112019: 92020: 102021: 192022: 162023: 62024: 182025: 172026: 9198319871991199520002004200820192023
Days per year at Irwin House with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1984.
Days with 10 mm (0.39 in) or more of precipitation per year at Irwin House
YearDaysDecade average
19831416.4
19842116.4
19851116.4
19861816.4
19871916.4
19881816.4
19891416.4
19901516.9
19912116.9
19921916.9
19931116.9
19941216.9
19951716.9
19962116.9
19971816.9
19991816.9
20001111
20011411
2002711
20031711
2004811
20051111
2006811
2007711
20081411
20091311
20131612
20181112
2019912
20201013.6
20211913.6
20221613.6
2023613.6
20241813.6
20251713.6
2026913.6
First to last qualifying date each year at Irwin House For each year, a bar from the first to the last day at Irwin House meeting 10 mm (0.39 in). 1983: 3 May 1983 to 17 November 19831984: 22 February 1984 to 8 November 19841985: 8 March 1985 to 13 December 19851986: 21 February 1986 to 5 October 19861987: 26 April 1987 to 30 November 19871988: 15 April 1988 to 3 October 19881989: 24 April 1989 to 29 October 19891990: 28 January 1990 to 6 October 19901991: 10 April 1991 to 25 December 19911992: 25 January 1992 to 20 September 19921993: 28 May 1993 to 13 November 19931994: 23 May 1994 to 11 September 19941995: 28 April 1995 to 18 October 19951996: 31 May 1996 to 27 September 19961997: 25 February 1997 to 12 November 19971999: 20 March 1999 to 14 October 19992000: 10 March 2000 to 6 September 20002001: 6 May 2001 to 15 November 20012002: 4 June 2002 to 6 October 20022003: 30 March 2003 to 8 September 20032004: 16 May 2004 to 24 September 20042005: 1 April 2005 to 18 August 20052006: 12 January 2006 to 8 September 20062007: 3 July 2007 to 25 September 20072008: 7 February 2008 to 25 October 20082009: 21 May 2009 to 30 September 20092013: 11 March 2013 to 20 October 20132018: 15 January 2018 to 30 August 20182019: 7 June 2019 to 30 August 20192020: 22 February 2020 to 2 November 20202021: 6 February 2021 to 19 October 20212022: 28 March 2022 to 3 September 20222023: 1 June 2023 to 14 September 20232024: 25 February 2024 to 20 November 20242025: 30 May 2025 to 6 November 20252026: 10 February 2026 to 27 August 202619831988199319992004200920212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Irwin House meeting 10 mm (0.39 in).
First to last qualifying date each year at Irwin House
YearFirst dateLast date
19831983-05-031983-11-17
19841984-02-221984-11-08
19851985-03-081985-12-13
19861986-02-211986-10-05
19871987-04-261987-11-30
19881988-04-151988-10-03
19891989-04-241989-10-29
19901990-01-281990-10-06
19911991-04-101991-12-25
19921992-01-251992-09-20
19931993-05-281993-11-13
19941994-05-231994-09-11
19951995-04-281995-10-18
19961996-05-311996-09-27
19971997-02-251997-11-12
19991999-03-201999-10-14
20002000-03-102000-09-06
20012001-05-062001-11-15
20022002-06-042002-10-06
20032003-03-302003-09-08
20042004-05-162004-09-24
20052005-04-012005-08-18
20062006-01-122006-09-08
20072007-07-032007-09-25
20082008-02-072008-10-25
20092009-05-212009-09-30
20132013-03-112013-10-20
20182018-01-152018-08-30
20192019-06-072019-08-30
20202020-02-222020-11-02
20212021-02-062021-10-19
20222022-03-282022-09-03
20232023-06-012023-09-14
20242024-02-252024-11-20
20252025-05-302025-11-06
20262026-02-102026-08-27

Every Fixed Threshold

Fixed thresholds at Irwin House
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain362119849
25 mm (0.98 in): Days with 25 mm or more rain33719995
50 mm (1.97 in): Days with 50 mm or more rain3319993

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Irwin House 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).