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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Twolganup Threshold Days by Year

4 fixed thresholds counted per year at Twolganup (ASN00010694): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Twolganup Thresholds

  • Twolganup: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1955 with 20.
  • Twolganup: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1988 with 6.
  • Twolganup: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1955 with 2.
  • Twolganup: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1982 with 1.
  • 4 fixed thresholds have at least one qualifying day at Twolganup.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Twolganup Days per year at Twolganup with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1955. 051015201955: 201956: 91957: 41958: 131959: 111960: 111961: 151962: 91963: 171964: 111965: 141966: 171967: 151968: 141969: 81970: 141971: 111972: 71973: 91974: 131975: 71976: 121977: 81978: 141979: 31980: 151981: 91982: 81983: 141984: 51985: 91986: 81987: 41988: 161989: 121990: 51991: 121992: 91993: 121994: 91995: 71996: 111997: 81998: 141999: 102000: 42001: 82002: 52003: 72004: 52005: 132006: 62007: 82008: 112009: 52010: 42011: 142012: 82013: 132014: 92015: 92016: 112017: 62018: 61955196219691976198319901997200420112018
Days per year at Twolganup with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1955.
Days with 10 mm (0.39 in) or more of precipitation per year at Twolganup
YearDaysDecade average
19552011.4
1956911.4
1957411.4
19581311.4
19591111.4
19601113.1
19611513.1
1962913.1
19631713.1
19641113.1
19651413.1
19661713.1
19671513.1
19681413.1
1969813.1
1970149.8
1971119.8
197279.8
197399.8
1974139.8
197579.8
1976129.8
197789.8
1978149.8
197939.8
19801510
1981910
1982810
19831410
1984510
1985910
1986810
1987410
19881610
19891210
199059.7
1991129.7
199299.7
1993129.7
199499.7
199579.7
1996119.7
199789.7
1998149.7
1999109.7
200047.2
200187.2
200257.2
200377.2
200457.2
2005137.2
200667.2
200787.2
2008117.2
200957.2
201048.9
2011148.9
201288.9
2013138.9
201498.9
201598.9
2016118.9
201768.9
201868.9
First to last qualifying date each year at Twolganup For each year, a bar from the first to the last day at Twolganup meeting 10 mm (0.39 in). 1955: 6 February 1955 to 27 October 19551956: 5 March 1956 to 29 November 19561957: 22 April 1957 to 29 August 19571958: 13 February 1958 to 21 December 19581959: 9 February 1959 to 31 December 19591960: 1 January 1960 to 17 December 19601961: 27 January 1961 to 15 December 19611962: 13 May 1962 to 21 December 19621963: 10 January 1963 to 31 October 19631964: 6 June 1964 to 21 October 19641965: 26 March 1965 to 6 November 19651966: 13 February 1966 to 27 December 19661967: 3 February 1967 to 5 October 19671968: 27 January 1968 to 15 October 19681969: 18 May 1969 to 4 November 19691970: 7 February 1970 to 31 December 19701971: 31 January 1971 to 23 November 19711972: 17 June 1972 to 7 October 19721973: 8 January 1973 to 14 November 19731974: 14 April 1974 to 18 November 19741975: 2 April 1975 to 24 August 19751976: 7 January 1976 to 7 November 19761977: 18 May 1977 to 23 December 19771978: 5 January 1978 to 20 December 19781979: 21 February 1979 to 15 July 19791980: 15 January 1980 to 31 December 19801981: 14 May 1981 to 26 November 19811982: 21 January 1982 to 27 November 19821983: 27 February 1983 to 31 December 19831984: 20 May 1984 to 14 September 19841985: 12 March 1985 to 13 October 19851986: 22 February 1986 to 10 September 19861987: 11 May 1987 to 1 November 19871988: 24 March 1988 to 3 December 19881989: 13 January 1989 to 13 November 19891990: 29 January 1990 to 21 July 19901991: 26 February 1991 to 26 December 19911992: 2 April 1992 to 20 November 19921993: 19 March 1993 to 16 November 19931994: 12 May 1994 to 14 October 19941995: 23 May 1995 to 18 October 19951996: 20 April 1996 to 15 November 19961997: 20 February 1997 to 28 August 19971998: 11 March 1998 to 18 November 19981999: 26 January 1999 to 13 December 19992000: 22 January 2000 to 14 June 20002001: 6 May 2001 to 4 December 20012002: 23 March 2002 to 1 November 20022003: 29 March 2003 to 27 October 20032004: 6 January 2004 to 26 November 20042005: 19 March 2005 to 27 November 20052006: 8 January 2006 to 29 November 20062007: 3 January 2007 to 17 December 20072008: 1 April 2008 to 11 December 20082009: 29 January 2009 to 19 July 20092010: 10 February 2010 to 10 November 20102011: 6 January 2011 to 13 December 20112012: 5 May 2012 to 6 December 20122013: 16 January 2013 to 30 September 20132014: 8 May 2014 to 28 November 20142015: 27 February 2015 to 6 December 20152016: 10 January 2016 to 13 December 20162017: 10 February 2017 to 25 September 20172018: 16 January 2018 to 23 November 201819551963197119791987199520032011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Twolganup meeting 10 mm (0.39 in).
First to last qualifying date each year at Twolganup
YearFirst dateLast date
19551955-02-061955-10-27
19561956-03-051956-11-29
19571957-04-221957-08-29
19581958-02-131958-12-21
19591959-02-091959-12-31
19601960-01-011960-12-17
19611961-01-271961-12-15
19621962-05-131962-12-21
19631963-01-101963-10-31
19641964-06-061964-10-21
19651965-03-261965-11-06
19661966-02-131966-12-27
19671967-02-031967-10-05
19681968-01-271968-10-15
19691969-05-181969-11-04
19701970-02-071970-12-31
19711971-01-311971-11-23
19721972-06-171972-10-07
19731973-01-081973-11-14
19741974-04-141974-11-18
19751975-04-021975-08-24
19761976-01-071976-11-07
19771977-05-181977-12-23
19781978-01-051978-12-20
19791979-02-211979-07-15
19801980-01-151980-12-31
19811981-05-141981-11-26
19821982-01-211982-11-27
19831983-02-271983-12-31
19841984-05-201984-09-14
19851985-03-121985-10-13
19861986-02-221986-09-10
19871987-05-111987-11-01
19881988-03-241988-12-03
19891989-01-131989-11-13
19901990-01-291990-07-21
19911991-02-261991-12-26
19921992-04-021992-11-20
19931993-03-191993-11-16
19941994-05-121994-10-14
19951995-05-231995-10-18
19961996-04-201996-11-15
19971997-02-201997-08-28
19981998-03-111998-11-18
19991999-01-261999-12-13
20002000-01-222000-06-14
20012001-05-062001-12-04
20022002-03-232002-11-01
20032003-03-292003-10-27
20042004-01-062004-11-26
20052005-03-192005-11-27
20062006-01-082006-11-29
20072007-01-032007-12-17
20082008-04-012008-12-11
20092009-01-292009-07-19
20102010-02-102010-11-10
20112011-01-062011-12-13
20122012-05-052012-12-06
20132013-01-162013-09-30
20142014-05-082014-11-28
20152015-02-272015-12-06
20162016-01-102016-12-13
20172017-02-102017-09-25
20182018-01-162018-11-23

Every Fixed Threshold

Fixed thresholds at Twolganup
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain642019556
25 mm (0.98 in): Days with 25 mm or more rain47619881
50 mm (1.97 in): Days with 50 mm or more rain8219551
100 mm (3.94 in): Days with 100 mm or more rain1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Twolganup 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).