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Built 2026-10-19 (19 October 2026)

Koonadgin Threshold Days by Year (ASN00010298)

3 fixed thresholds counted per year at Koonadgin (ASN00010298): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koonadgin Thresholds

  • Koonadgin: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1963 with 17.
  • Koonadgin: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1966 with 4.
  • Koonadgin: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1942 with 1.
  • 3 fixed thresholds have at least one qualifying day at Koonadgin.
80 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koonadgin Days per year at Koonadgin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1963. 051015201926: 61927: 91929: 121930: 141931: 61932: 111933: 81934: 101935: 91936: 81937: 71938: 41942: 101943: 61944: 61945: 91946: 121950: 71951: 81952: 51953: 91954: 61955: 71956: 81957: 81958: 121959: 121960: 111961: 81962: 51963: 171964: 81965: 91966: 91967: 81968: 81969: 41970: 91971: 61972: 71973: 131974: 111975: 91976: 71977: 51978: 131979: 71980: 41981: 91982: 61983: 111984: 111985: 61986: 81987: 91988: 81989: 91990: 91991: 71992: 161993: 81994: 91995: 91996: 101997: 151999: 132000: 82001: 102002: 32003: 62004: 92005: 32006: 162007: 52008: 92009: 72018: 132019: 82020: 122021: 121926193519461957196519731981198919972006
Days per year at Koonadgin with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Koonadgin
YearDaysDecade average
192669
192799
1929129
1930148.6
193168.6
1932118.6
193388.6
1934108.6
193598.6
193688.6
193778.6
193848.6
1942108.6
194368.6
194468.6
194598.6
1946128.6
195078.2
195188.2
195258.2
195398.2
195468.2
195578.2
195688.2
195788.2
1958128.2
1959128.2
1960118.7
196188.7
196258.7
1963178.7
196488.7
196598.7
196698.7
196788.7
196888.7
196948.7
197098.7
197168.7
197278.7
1973138.7
1974118.7
197598.7
197678.7
197758.7
1978138.7
197978.7
198048.1
198198.1
198268.1
1983118.1
1984118.1
198568.1
198688.1
198798.1
198888.1
198998.1
1990910.7
1991710.7
19921610.7
1993810.7
1994910.7
1995910.7
19961010.7
19971510.7
19991310.7
200087.6
2001107.6
200237.6
200367.6
200497.6
200537.6
2006167.6
200757.6
200897.6
200977.6
20181310.5
2019810.5
20201212
20211212
First to last qualifying date each year at Koonadgin For each year, a bar from the first to the last day at Koonadgin meeting 10 mm (0.39 in). 1926: 10 February 1926 to 22 July 19261927: 13 March 1927 to 14 September 19271929: 1 January 1929 to 15 November 19291930: 8 March 1930 to 13 December 19301931: 7 April 1931 to 11 August 19311932: 29 January 1932 to 22 October 19321933: 24 May 1933 to 15 November 19331934: 27 February 1934 to 4 November 19341935: 15 January 1935 to 22 October 19351936: 19 January 1936 to 24 December 19361937: 19 April 1937 to 13 November 19371938: 17 January 1938 to 13 June 19381942: 9 March 1942 to 2 December 19421943: 12 February 1943 to 30 July 19431944: 18 May 1944 to 11 August 19441945: 26 March 1945 to 23 August 19451946: 5 February 1946 to 22 August 19461950: 8 May 1950 to 10 October 19501951: 17 January 1951 to 1 December 19511952: 20 January 1952 to 18 December 19521953: 25 March 1953 to 11 July 19531954: 23 May 1954 to 20 August 19541955: 5 February 1955 to 5 October 19551956: 7 May 1956 to 28 November 19561957: 18 January 1957 to 5 December 19571958: 3 March 1958 to 27 November 19581959: 2 January 1959 to 2 December 19591960: 1 January 1960 to 12 September 19601961: 26 January 1961 to 31 August 19611962: 26 May 1962 to 11 July 19621963: 27 January 1963 to 23 August 19631964: 19 February 1964 to 25 August 19641965: 5 May 1965 to 24 November 19651966: 2 January 1966 to 23 October 19661967: 22 January 1967 to 4 October 19671968: 25 March 1968 to 11 September 19681969: 18 May 1969 to 12 September 19691970: 16 February 1970 to 4 October 19701971: 13 March 1971 to 15 August 19711972: 3 March 1972 to 27 July 19721973: 16 February 1973 to 10 December 19731974: 3 March 1974 to 18 November 19741975: 1 April 1975 to 10 December 19751976: 27 February 1976 to 3 September 19761977: 19 February 1977 to 10 August 19771978: 2 January 1978 to 19 December 19781979: 16 February 1979 to 20 August 19791980: 16 January 1980 to 12 July 19801981: 17 February 1981 to 12 November 19811982: 2 May 1982 to 4 October 19821983: 18 June 1983 to 31 December 19831984: 28 January 1984 to 8 July 19841985: 1 February 1985 to 20 November 19851986: 22 February 1986 to 9 November 19861987: 26 April 1987 to 25 December 19871988: 13 May 1988 to 1 December 19881989: 12 January 1989 to 28 July 19891990: 28 January 1990 to 6 October 19901991: 17 January 1991 to 25 December 19911992: 9 February 1992 to 3 October 19921993: 1 May 1993 to 30 August 19931994: 26 February 1994 to 11 September 19941995: 27 February 1995 to 28 December 19951996: 11 April 1996 to 6 November 19961997: 20 February 1997 to 12 November 19971999: 23 January 1999 to 13 December 19992000: 15 January 2000 to 16 August 20002001: 8 January 2001 to 23 September 20012002: 15 January 2002 to 17 April 20022003: 11 April 2003 to 22 August 20032004: 5 January 2004 to 21 October 20042005: 1 April 2005 to 18 August 20052006: 3 January 2006 to 20 December 20062007: 4 January 2007 to 17 December 20072008: 9 February 2008 to 11 December 20082009: 20 May 2009 to 12 November 20092018: 20 January 2018 to 14 October 20182019: 3 April 2019 to 12 October 20192020: 19 February 2020 to 2 November 20202021: 3 March 2021 to 27 October 202119261937195319631973198319932004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koonadgin meeting 10 mm (0.39 in).
First to last qualifying date each year at Koonadgin
YearFirst dateLast date
19261926-02-101926-07-22
19271927-03-131927-09-14
19291929-01-011929-11-15
19301930-03-081930-12-13
19311931-04-071931-08-11
19321932-01-291932-10-22
19331933-05-241933-11-15
19341934-02-271934-11-04
19351935-01-151935-10-22
19361936-01-191936-12-24
19371937-04-191937-11-13
19381938-01-171938-06-13
19421942-03-091942-12-02
19431943-02-121943-07-30
19441944-05-181944-08-11
19451945-03-261945-08-23
19461946-02-051946-08-22
19501950-05-081950-10-10
19511951-01-171951-12-01
19521952-01-201952-12-18
19531953-03-251953-07-11
19541954-05-231954-08-20
19551955-02-051955-10-05
19561956-05-071956-11-28
19571957-01-181957-12-05
19581958-03-031958-11-27
19591959-01-021959-12-02
19601960-01-011960-09-12
19611961-01-261961-08-31
19621962-05-261962-07-11
19631963-01-271963-08-23
19641964-02-191964-08-25
19651965-05-051965-11-24
19661966-01-021966-10-23
19671967-01-221967-10-04
19681968-03-251968-09-11
19691969-05-181969-09-12
19701970-02-161970-10-04
19711971-03-131971-08-15
19721972-03-031972-07-27
19731973-02-161973-12-10
19741974-03-031974-11-18
19751975-04-011975-12-10
19761976-02-271976-09-03
19771977-02-191977-08-10
19781978-01-021978-12-19
19791979-02-161979-08-20
19801980-01-161980-07-12
19811981-02-171981-11-12
19821982-05-021982-10-04
19831983-06-181983-12-31
19841984-01-281984-07-08
19851985-02-011985-11-20
19861986-02-221986-11-09
19871987-04-261987-12-25
19881988-05-131988-12-01
19891989-01-121989-07-28
19901990-01-281990-10-06
19911991-01-171991-12-25
19921992-02-091992-10-03
19931993-05-011993-08-30
19941994-02-261994-09-11
19951995-02-271995-12-28
19961996-04-111996-11-06
19971997-02-201997-11-12
19991999-01-231999-12-13
20002000-01-152000-08-16
20012001-01-082001-09-23
20022002-01-152002-04-17
20032003-04-112003-08-22
20042004-01-052004-10-21
20052005-04-012005-08-18
20062006-01-032006-12-20
20072007-01-042007-12-17
20082008-02-092008-12-11
20092009-05-202009-11-12
20182018-01-202018-10-14
20192019-04-032019-10-12
20202020-02-192020-11-02
20212021-03-032021-10-27

Every Fixed Threshold

Fixed thresholds at Koonadgin
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain8017196312
25 mm (0.98 in): Days with 25 mm or more rain57419662
50 mm (1.97 in): Days with 50 mm or more rain12119421

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

  • Data for Koonadgin 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).