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Built 2026-10-19 (19 October 2026)

Swan View Threshold Days by Year (ASN00009181)

4 fixed thresholds counted per year at Swan View (ASN00009181): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Swan View Thresholds

  • Swan View: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1974 with 43.
  • Swan View: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1991 with 12.
  • Swan View: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1986 with 2.
  • Swan View: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2001 with 1.
  • 4 fixed thresholds have at least one qualifying day at Swan View.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Swan View Days per year at Swan View with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1974. 02040601974: 431975: 251976: 241977: 181978: 311979: 221980: 241981: 331982: 311983: 271984: 251985: 251986: 311987: 231988: 291989: 231990: 311991: 391992: 271993: 291994: 181995: 271996: 321997: 321998: 231999: 292000: 322001: 222002: 252003: 292004: 272005: 302006: 162007: 272008: 292012: 272013: 321974197819821986199019941998200220062013
Days per year at Swan View with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Swan View
YearDaysDecade average
19744327.2
19752527.2
19762427.2
19771827.2
19783127.2
19792227.2
19802427.1
19813327.1
19823127.1
19832727.1
19842527.1
19852527.1
19863127.1
19872327.1
19882927.1
19892327.1
19903128.7
19913928.7
19922728.7
19932928.7
19941828.7
19952728.7
19963228.7
19973228.7
19982328.7
19992928.7
20003226.3
20012226.3
20022526.3
20032926.3
20042726.3
20053026.3
20061626.3
20072726.3
20082926.3
20122729.5
20133229.5
First to last qualifying date each year at Swan View For each year, a bar from the first to the last day at Swan View meeting 10 mm (0.39 in). 1974: 3 February 1974 to 14 November 19741975: 4 April 1975 to 16 November 19751976: 7 January 1976 to 12 November 19761977: 21 February 1977 to 11 October 19771978: 24 February 1978 to 25 November 19781979: 15 April 1979 to 13 November 19791980: 11 February 1980 to 22 October 19801981: 18 February 1981 to 26 November 19811982: 21 January 1982 to 5 October 19821983: 2 June 1983 to 31 December 19831984: 4 March 1984 to 28 December 19841985: 9 April 1985 to 8 November 19851986: 21 February 1986 to 30 November 19861987: 8 April 1987 to 24 December 19871988: 23 March 1988 to 7 November 19881989: 24 April 1989 to 17 October 19891990: 29 January 1990 to 29 October 19901991: 26 February 1991 to 26 December 19911992: 9 February 1992 to 9 December 19921993: 6 February 1993 to 2 October 19931994: 23 May 1994 to 11 September 19941995: 24 February 1995 to 8 November 19951996: 8 May 1996 to 16 November 19961997: 30 March 1997 to 10 October 19971998: 10 March 1998 to 1 October 19981999: 23 January 1999 to 14 October 19992000: 15 January 2000 to 27 November 20002001: 6 May 2001 to 19 November 20012002: 17 April 2002 to 1 November 20022003: 30 March 2003 to 18 November 20032004: 8 May 2004 to 21 October 20042005: 28 March 2005 to 5 November 20052006: 13 January 2006 to 12 September 20062007: 3 January 2007 to 27 October 20072008: 7 February 2008 to 25 November 20082012: 21 January 2012 to 13 December 20122013: 11 March 2013 to 20 October 201319741979198419891994199920042012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Swan View meeting 10 mm (0.39 in).
First to last qualifying date each year at Swan View
YearFirst dateLast date
19741974-02-031974-11-14
19751975-04-041975-11-16
19761976-01-071976-11-12
19771977-02-211977-10-11
19781978-02-241978-11-25
19791979-04-151979-11-13
19801980-02-111980-10-22
19811981-02-181981-11-26
19821982-01-211982-10-05
19831983-06-021983-12-31
19841984-03-041984-12-28
19851985-04-091985-11-08
19861986-02-211986-11-30
19871987-04-081987-12-24
19881988-03-231988-11-07
19891989-04-241989-10-17
19901990-01-291990-10-29
19911991-02-261991-12-26
19921992-02-091992-12-09
19931993-02-061993-10-02
19941994-05-231994-09-11
19951995-02-241995-11-08
19961996-05-081996-11-16
19971997-03-301997-10-10
19981998-03-101998-10-01
19991999-01-231999-10-14
20002000-01-152000-11-27
20012001-05-062001-11-19
20022002-04-172002-11-01
20032003-03-302003-11-18
20042004-05-082004-10-21
20052005-03-282005-11-05
20062006-01-132006-09-12
20072007-01-032007-10-27
20082008-02-072008-11-25
20122012-01-212012-12-13
20132013-03-112013-10-20

Every Fixed Threshold

Fixed thresholds at Swan View
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3743197432
25 mm (0.98 in): Days with 25 mm or more rain371219917
50 mm (1.97 in): Days with 50 mm or more rain14219861
100 mm (3.94 in): Days with 100 mm or more rain1120011

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Swan View 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 (2025-12-31).