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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Booroondara Tank Threshold Days by Year

4 fixed thresholds counted per year at Booroondara Tank (ASN00048136): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Booroondara Tank Thresholds

  • Booroondara Tank: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1911 with 21.
  • Booroondara Tank: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1936 with 10.
  • Booroondara Tank: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1904 with 2.
  • Booroondara Tank: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1904 with 1.
  • 4 fixed thresholds have at least one qualifying day at Booroondara Tank.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Booroondara Tank Days per year at Booroondara Tank with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1911. 01020301892: 81893: 151894: 131896: 131897: 61898: 81899: 41900: 51901: 21902: 31903: 71904: 91905: 111906: 161907: 171908: 131909: 131910: 101911: 211912: 61913: 81914: 101915: 91916: 141917: 131918: 51919: 51920: 161921: 131924: 121925: 91926: 81927: 41928: 71929: 51930: 161931: 101932: 81933: 131934: 151935: 61936: 201937: 41938: 3189218981903190819131918192519301935
Days per year at Booroondara Tank with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1911.
Days with 10 mm (0.39 in) or more of precipitation per year at Booroondara Tank
YearDaysDecade average
189289.6
1893159.6
1894139.6
1896139.6
189769.6
189889.6
189949.6
190059.6
190129.6
190239.6
190379.6
190499.6
1905119.6
1906169.6
1907179.6
1908139.6
1909139.6
19101010.1
19112110.1
1912610.1
1913810.1
19141010.1
1915910.1
19161410.1
19171310.1
1918510.1
1919510.1
1920169.3
1921139.3
1924129.3
192599.3
192689.3
192749.3
192879.3
192959.3
19301610.6
19311010.6
1932810.6
19331310.6
19341510.6
1935610.6
19362010.6
1937410.6
1938310.6
First to last qualifying date each year at Booroondara Tank For each year, a bar from the first to the last day at Booroondara Tank meeting 10 mm (0.39 in). 1892: 27 May 1892 to 21 November 18921893: 2 March 1893 to 28 December 18931894: 9 March 1894 to 12 December 18941896: 24 January 1896 to 2 December 18961897: 9 January 1897 to 25 September 18971898: 12 February 1898 to 27 October 18981899: 23 June 1899 to 14 October 18991900: 8 January 1900 to 31 July 19001901: 20 August 1901 to 21 October 19011902: 29 November 1902 to 17 December 19021903: 27 January 1903 to 25 December 19031904: 1 January 1904 to 15 December 19041905: 10 January 1905 to 31 December 19051906: 20 February 1906 to 18 December 19061907: 9 January 1907 to 28 December 19071908: 26 January 1908 to 12 December 19081909: 20 January 1909 to 26 December 19091910: 11 January 1910 to 12 November 19101911: 28 January 1911 to 16 December 19111912: 10 March 1912 to 18 November 19121913: 6 February 1913 to 18 December 19131914: 27 February 1914 to 21 December 19141915: 14 May 1915 to 10 December 19151916: 2 April 1916 to 12 December 19161917: 12 January 1917 to 25 December 19171918: 26 January 1918 to 2 December 19181919: 27 February 1919 to 8 September 19191920: 2 June 1920 to 29 December 19201921: 21 February 1921 to 27 December 19211924: 6 February 1924 to 21 December 19241925: 7 January 1925 to 14 December 19251926: 1 January 1926 to 8 October 19261927: 2 March 1927 to 16 November 19271928: 5 February 1928 to 5 November 19281929: 29 September 1929 to 19 December 19291930: 21 February 1930 to 22 December 19301931: 17 March 1931 to 3 December 19311932: 8 February 1932 to 13 November 19321933: 5 March 1933 to 25 December 19331934: 21 February 1934 to 5 November 19341935: 1 January 1935 to 24 October 19351936: 4 January 1936 to 31 December 19361937: 9 January 1937 to 20 November 19371938: 24 June 1938 to 29 July 193818921899190519111917192519311937JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Booroondara Tank meeting 10 mm (0.39 in).
First to last qualifying date each year at Booroondara Tank
YearFirst dateLast date
18921892-05-271892-11-21
18931893-03-021893-12-28
18941894-03-091894-12-12
18961896-01-241896-12-02
18971897-01-091897-09-25
18981898-02-121898-10-27
18991899-06-231899-10-14
19001900-01-081900-07-31
19011901-08-201901-10-21
19021902-11-291902-12-17
19031903-01-271903-12-25
19041904-01-011904-12-15
19051905-01-101905-12-31
19061906-02-201906-12-18
19071907-01-091907-12-28
19081908-01-261908-12-12
19091909-01-201909-12-26
19101910-01-111910-11-12
19111911-01-281911-12-16
19121912-03-101912-11-18
19131913-02-061913-12-18
19141914-02-271914-12-21
19151915-05-141915-12-10
19161916-04-021916-12-12
19171917-01-121917-12-25
19181918-01-261918-12-02
19191919-02-271919-09-08
19201920-06-021920-12-29
19211921-02-211921-12-27
19241924-02-061924-12-21
19251925-01-071925-12-14
19261926-01-011926-10-08
19271927-03-021927-11-16
19281928-02-051928-11-05
19291929-09-291929-12-19
19301930-02-211930-12-22
19311931-03-171931-12-03
19321932-02-081932-11-13
19331933-03-051933-12-25
19341934-02-211934-11-05
19351935-01-011935-10-24
19361936-01-041936-12-31
19371937-01-091937-11-20
19381938-06-241938-07-29

Every Fixed Threshold

Fixed thresholds at Booroondara Tank
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain442119113
25 mm (0.98 in): Days with 25 mm or more rain401019361
50 mm (1.97 in): Days with 50 mm or more rain16219042
100 mm (3.94 in): Days with 100 mm or more rain1119041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1892.

Download the Data

  • Data for Booroondara Tank 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).