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Built 2026-10-19 (19 October 2026)

Booralee Threshold Days by Year (ASN00010518)

4 fixed thresholds counted per year at Booralee (ASN00010518): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Booralee Thresholds

  • Booralee: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1963 with 18.
  • Booralee: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 2016 with 4.
  • Booralee: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 2022 with 2.
  • Booralee: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1966 with 1.
  • 4 fixed thresholds have at least one qualifying day at Booralee.
99 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Booralee Days per year at Booralee with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963. 051015201923: 101924: 91925: 61926: 91927: 71928: 51929: 111930: 131931: 71932: 101933: 91934: 81935: 91936: 71937: 81938: 51939: 131940: 21941: 21942: 141943: 101944: 51945: 101946: 111948: 81949: 51950: 51951: 101952: 101953: 101954: 71955: 121956: 61957: 111958: 141959: 91960: 91961: 41962: 51963: 181964: 151965: 91966: 91967: 51968: 161969: 71970: 81971: 101972: 31973: 101974: 131975: 111976: 111977: 61978: 91979: 71980: 21981: 51982: 71983: 121984: 41985: 51986: 71987: 91988: 91989: 91990: 81991: 61992: 111993: 81994: 81995: 81996: 91997: 61999: 142000: 62001: 92002: 32003: 102004: 52005: 72006: 112007: 52008: 152009: 52011: 92012: 62013: 122014: 82016: 112018: 92019: 52020: 72021: 142022: 142023: 82024: 142025: 72026: 141923193319431954196419741984199420052018
Days per year at Booralee with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Booralee
YearDaysDecade average
1923108.1
192498.1
192568.1
192698.1
192778.1
192858.1
1929118.1
1930138.9
193178.9
1932108.9
193398.9
193488.9
193598.9
193678.9
193788.9
193858.9
1939138.9
194027.4
194127.4
1942147.4
1943107.4
194457.4
1945107.4
1946117.4
194887.4
194957.4
195059.4
1951109.4
1952109.4
1953109.4
195479.4
1955129.4
195669.4
1957119.4
1958149.4
195999.4
196099.7
196149.7
196259.7
1963189.7
1964159.7
196599.7
196699.7
196759.7
1968169.7
196979.7
197088.8
1971108.8
197238.8
1973108.8
1974138.8
1975118.8
1976118.8
197768.8
197898.8
197978.8
198026.9
198156.9
198276.9
1983126.9
198446.9
198556.9
198676.9
198796.9
198896.9
198996.9
199088.7
199168.7
1992118.7
199388.7
199488.7
199588.7
199698.7
199768.7
1999148.7
200067.6
200197.6
200237.6
2003107.6
200457.6
200577.6
2006117.6
200757.6
2008157.6
200957.6
201198.6
201268.6
2013128.6
201488.6
2016118.6
201898.6
201958.6
2020711.1
20211411.1
20221411.1
2023811.1
20241411.1
2025711.1
20261411.1
First to last qualifying date each year at Booralee For each year, a bar from the first to the last day at Booralee meeting 10 mm (0.39 in). 1923: 20 January 1923 to 25 September 19231924: 12 February 1924 to 27 October 19241925: 24 January 1925 to 10 November 19251926: 11 March 1926 to 2 September 19261927: 13 March 1927 to 8 October 19271928: 30 May 1928 to 21 October 19281929: 17 March 1929 to 15 November 19291930: 8 March 1930 to 16 August 19301931: 13 April 1931 to 28 December 19311932: 29 May 1932 to 23 October 19321933: 7 March 1933 to 16 October 19331934: 9 March 1934 to 4 November 19341935: 6 January 1935 to 22 October 19351936: 15 April 1936 to 28 December 19361937: 4 March 1937 to 13 November 19371938: 17 January 1938 to 21 July 19381939: 20 January 1939 to 1 November 19391940: 13 June 1940 to 3 December 19401941: 4 May 1941 to 3 October 19411942: 14 March 1942 to 2 December 19421943: 31 January 1943 to 21 September 19431944: 5 April 1944 to 26 July 19441945: 16 May 1945 to 22 August 19451946: 16 May 1946 to 1 September 19461948: 30 April 1948 to 15 November 19481949: 4 June 1949 to 9 August 19491950: 9 May 1950 to 29 September 19501951: 13 February 1951 to 1 December 19511952: 15 May 1952 to 18 December 19521953: 24 March 1953 to 6 August 19531954: 23 May 1954 to 19 August 19541955: 6 February 1955 to 25 September 19551956: 9 June 1956 to 29 November 19561957: 20 January 1957 to 29 August 19571958: 23 May 1958 to 26 November 19581959: 28 January 1959 to 27 November 19591960: 1 January 1960 to 15 September 19601961: 27 January 1961 to 19 July 19611962: 13 May 1962 to 7 December 19621963: 26 January 1963 to 19 September 19631964: 2 January 1964 to 25 August 19641965: 17 March 1965 to 27 November 19651966: 2 January 1966 to 23 October 19661967: 22 January 1967 to 22 December 19671968: 27 January 1968 to 11 September 19681969: 19 February 1969 to 4 November 19691970: 5 February 1970 to 25 September 19701971: 13 March 1971 to 11 November 19711972: 31 May 1972 to 27 July 19721973: 8 January 1973 to 15 November 19731974: 4 April 1974 to 19 November 19741975: 2 April 1975 to 10 December 19751976: 6 January 1976 to 11 November 19761977: 16 May 1977 to 22 December 19771978: 19 April 1978 to 20 December 19781979: 12 February 1979 to 14 November 19791980: 25 February 1980 to 22 September 19801981: 18 February 1981 to 2 October 19811982: 21 January 1982 to 15 September 19821983: 31 March 1983 to 2 December 19831984: 22 February 1984 to 6 June 19841985: 14 July 1985 to 13 October 19851986: 22 February 1986 to 9 November 19861987: 1 May 1987 to 24 December 19871988: 28 April 1988 to 3 December 19881989: 24 April 1989 to 18 August 19891990: 29 January 1990 to 2 October 19901991: 18 March 1991 to 26 December 19911992: 13 March 1992 to 16 November 19921993: 20 March 1993 to 20 December 19931994: 24 May 1994 to 15 December 19941995: 25 February 1995 to 26 December 19951996: 31 May 1996 to 7 November 19961997: 24 February 1997 to 10 August 19971999: 6 January 1999 to 13 December 19992000: 7 January 2000 to 22 March 20002001: 21 January 2001 to 16 November 20012002: 16 April 2002 to 23 November 20022003: 17 February 2003 to 30 September 20032004: 18 February 2004 to 3 November 20042005: 28 March 2005 to 18 August 20052006: 13 January 2006 to 29 November 20062007: 4 January 2007 to 17 December 20072008: 4 February 2008 to 11 December 20082009: 28 January 2009 to 19 November 20092011: 17 May 2011 to 13 December 20112012: 5 May 2012 to 29 November 20122013: 16 January 2013 to 7 December 20132014: 27 April 2014 to 28 November 20142016: 19 January 2016 to 5 August 20162018: 26 February 2018 to 30 August 20182019: 17 May 2019 to 15 August 20192020: 25 May 2020 to 2 November 20202021: 7 February 2021 to 27 October 20212022: 15 February 2022 to 8 November 20222023: 26 March 2023 to 14 September 20232024: 13 January 2024 to 9 November 20242025: 5 April 2025 to 6 September 20252026: 10 February 2026 to 28 September 202619231936195019631976198920032019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Booralee meeting 10 mm (0.39 in).
First to last qualifying date each year at Booralee
YearFirst dateLast date
19231923-01-201923-09-25
19241924-02-121924-10-27
19251925-01-241925-11-10
19261926-03-111926-09-02
19271927-03-131927-10-08
19281928-05-301928-10-21
19291929-03-171929-11-15
19301930-03-081930-08-16
19311931-04-131931-12-28
19321932-05-291932-10-23
19331933-03-071933-10-16
19341934-03-091934-11-04
19351935-01-061935-10-22
19361936-04-151936-12-28
19371937-03-041937-11-13
19381938-01-171938-07-21
19391939-01-201939-11-01
19401940-06-131940-12-03
19411941-05-041941-10-03
19421942-03-141942-12-02
19431943-01-311943-09-21
19441944-04-051944-07-26
19451945-05-161945-08-22
19461946-05-161946-09-01
19481948-04-301948-11-15
19491949-06-041949-08-09
19501950-05-091950-09-29
19511951-02-131951-12-01
19521952-05-151952-12-18
19531953-03-241953-08-06
19541954-05-231954-08-19
19551955-02-061955-09-25
19561956-06-091956-11-29
19571957-01-201957-08-29
19581958-05-231958-11-26
19591959-01-281959-11-27
19601960-01-011960-09-15
19611961-01-271961-07-19
19621962-05-131962-12-07
19631963-01-261963-09-19
19641964-01-021964-08-25
19651965-03-171965-11-27
19661966-01-021966-10-23
19671967-01-221967-12-22
19681968-01-271968-09-11
19691969-02-191969-11-04
19701970-02-051970-09-25
19711971-03-131971-11-11
19721972-05-311972-07-27
19731973-01-081973-11-15
19741974-04-041974-11-19
19751975-04-021975-12-10
19761976-01-061976-11-11
19771977-05-161977-12-22
19781978-04-191978-12-20
19791979-02-121979-11-14
19801980-02-251980-09-22
19811981-02-181981-10-02
19821982-01-211982-09-15
19831983-03-311983-12-02
19841984-02-221984-06-06
19851985-07-141985-10-13
19861986-02-221986-11-09
19871987-05-011987-12-24
19881988-04-281988-12-03
19891989-04-241989-08-18
19901990-01-291990-10-02
19911991-03-181991-12-26
19921992-03-131992-11-16
19931993-03-201993-12-20
19941994-05-241994-12-15
19951995-02-251995-12-26
19961996-05-311996-11-07
19971997-02-241997-08-10
19991999-01-061999-12-13
20002000-01-072000-03-22
20012001-01-212001-11-16
20022002-04-162002-11-23
20032003-02-172003-09-30
20042004-02-182004-11-03
20052005-03-282005-08-18
20062006-01-132006-11-29
20072007-01-042007-12-17
20082008-02-042008-12-11
20092009-01-282009-11-19
20112011-05-172011-12-13
20122012-05-052012-11-29
20132013-01-162013-12-07
20142014-04-272014-11-28
20162016-01-192016-08-05
20182018-02-262018-08-30
20192019-05-172019-08-15
20202020-05-252020-11-02
20212021-02-072021-10-27
20222022-02-152022-11-08
20232023-03-262023-09-14
20242024-01-132024-11-09
20252025-04-052025-09-06
20262026-02-102026-09-28

Every Fixed Threshold

Fixed thresholds at Booralee
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain9918196314
25 mm (0.98 in): Days with 25 mm or more rain69420161
50 mm (1.97 in): Days with 50 mm or more rain19220221
100 mm (3.94 in): Days with 100 mm or more rain3119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Booralee 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).