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

Boorolong Threshold Days by Year (ASN00056144)

4 fixed thresholds counted per year at Boorolong (ASN00056144): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boorolong Thresholds

  • Boorolong: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1879 with 45.
  • Boorolong: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1921 with 18.
  • Boorolong: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1879 with 7.
  • Boorolong: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1903 with 1.
  • 4 fixed thresholds have at least one qualifying day at Boorolong.
59 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Boorolong Days per year at Boorolong with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1879. 02040601874: 301875: 321876: 311877: 221878: 291879: 451880: 221881: 231882: 331883: 361884: 281885: 261886: 371887: 231888: 201889: 301890: 321891: 371892: 391893: 311894: 291895: 311896: 281897: 251898: 241899: 321900: 361901: 231902: 211903: 381904: 251905: 321906: 321907: 321908: 261909: 321910: 361911: 261912: 191913: 281914: 301915: 231916: 351917: 371918: 171919: 191920: 291921: 351922: 291923: 231924: 341926: 221927: 221932: 311933: 311934: 261935: 191936: 261937: 251874188018861892189819041910191619221933
Days per year at Boorolong with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1879.
Days with 10 mm (0.39 in) or more of precipitation per year at Boorolong
YearDaysDecade average
18743031.5
18753231.5
18763131.5
18772231.5
18782931.5
18794531.5
18802227.8
18812327.8
18823327.8
18833627.8
18842827.8
18852627.8
18863727.8
18872327.8
18882027.8
18893027.8
18903230.8
18913730.8
18923930.8
18933130.8
18942930.8
18953130.8
18962830.8
18972530.8
18982430.8
18993230.8
19003629.7
19012329.7
19022129.7
19033829.7
19042529.7
19053229.7
19063229.7
19073229.7
19082629.7
19093229.7
19103627
19112627
19121927
19132827
19143027
19152327
19163527
19173727
19181727
19191927
19202927.7
19213527.7
19222927.7
19232327.7
19243427.7
19262227.7
19272227.7
19323126.3
19333126.3
19342626.3
19351926.3
19362626.3
19372526.3
First to last qualifying date each year at Boorolong For each year, a bar from the first to the last day at Boorolong meeting 10 mm (0.39 in). 1874: 5 January 1874 to 15 December 18741875: 4 January 1875 to 13 December 18751876: 3 January 1876 to 26 December 18761877: 2 January 1877 to 19 December 18771878: 21 January 1878 to 24 December 18781879: 20 January 1879 to 28 December 18791880: 8 January 1880 to 20 November 18801881: 12 January 1881 to 15 November 18811882: 9 January 1882 to 31 December 18821883: 11 January 1883 to 25 December 18831884: 20 January 1884 to 14 December 18841885: 8 January 1885 to 24 December 18851886: 24 January 1886 to 8 December 18861887: 18 January 1887 to 26 December 18871888: 8 January 1888 to 15 December 18881889: 21 January 1889 to 13 December 18891890: 12 January 1890 to 23 December 18901891: 7 January 1891 to 29 December 18911892: 12 January 1892 to 31 December 18921893: 14 January 1893 to 16 December 18931894: 6 January 1894 to 8 December 18941895: 2 January 1895 to 30 December 18951896: 20 January 1896 to 19 December 18961897: 3 January 1897 to 21 December 18971898: 2 January 1898 to 25 December 18981899: 12 January 1899 to 29 December 18991900: 9 January 1900 to 22 December 19001901: 2 January 1901 to 1 December 19011902: 3 January 1902 to 18 December 19021903: 25 March 1903 to 27 December 19031904: 25 February 1904 to 18 December 19041905: 16 January 1905 to 29 December 19051906: 1 January 1906 to 25 December 19061907: 2 January 1907 to 19 December 19071908: 8 January 1908 to 13 December 19081909: 21 January 1909 to 24 December 19091910: 11 January 1910 to 23 December 19101911: 12 January 1911 to 6 December 19111912: 6 January 1912 to 20 December 19121913: 21 January 1913 to 19 December 19131914: 3 January 1914 to 28 December 19141915: 1 January 1915 to 20 December 19151916: 12 January 1916 to 13 December 19161917: 19 January 1917 to 25 December 19171918: 2 January 1918 to 27 November 19181919: 9 January 1919 to 26 December 19191920: 2 January 1920 to 29 December 19201921: 17 February 1921 to 31 December 19211922: 1 January 1922 to 30 December 19221923: 19 January 1923 to 27 December 19231924: 7 January 1924 to 7 December 19241926: 5 January 1926 to 24 December 19261927: 5 January 1927 to 27 December 19271932: 6 January 1932 to 21 December 19321933: 15 January 1933 to 22 December 19331934: 28 January 1934 to 25 December 19341935: 15 January 1935 to 1 December 19351936: 11 January 1936 to 25 December 19361937: 1 January 1937 to 30 December 193718741882189018981906191419221935JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boorolong meeting 10 mm (0.39 in).
First to last qualifying date each year at Boorolong
YearFirst dateLast date
18741874-01-051874-12-15
18751875-01-041875-12-13
18761876-01-031876-12-26
18771877-01-021877-12-19
18781878-01-211878-12-24
18791879-01-201879-12-28
18801880-01-081880-11-20
18811881-01-121881-11-15
18821882-01-091882-12-31
18831883-01-111883-12-25
18841884-01-201884-12-14
18851885-01-081885-12-24
18861886-01-241886-12-08
18871887-01-181887-12-26
18881888-01-081888-12-15
18891889-01-211889-12-13
18901890-01-121890-12-23
18911891-01-071891-12-29
18921892-01-121892-12-31
18931893-01-141893-12-16
18941894-01-061894-12-08
18951895-01-021895-12-30
18961896-01-201896-12-19
18971897-01-031897-12-21
18981898-01-021898-12-25
18991899-01-121899-12-29
19001900-01-091900-12-22
19011901-01-021901-12-01
19021902-01-031902-12-18
19031903-03-251903-12-27
19041904-02-251904-12-18
19051905-01-161905-12-29
19061906-01-011906-12-25
19071907-01-021907-12-19
19081908-01-081908-12-13
19091909-01-211909-12-24
19101910-01-111910-12-23
19111911-01-121911-12-06
19121912-01-061912-12-20
19131913-01-211913-12-19
19141914-01-031914-12-28
19151915-01-011915-12-20
19161916-01-121916-12-13
19171917-01-191917-12-25
19181918-01-021918-11-27
19191919-01-091919-12-26
19201920-01-021920-12-29
19211921-02-171921-12-31
19221922-01-011922-12-30
19231923-01-191923-12-27
19241924-01-071924-12-07
19261926-01-051926-12-24
19271927-01-051927-12-27
19321932-01-061932-12-21
19331933-01-151933-12-22
19341934-01-281934-12-25
19351935-01-151935-12-01
19361936-01-111936-12-25
19371937-01-011937-12-30

Every Fixed Threshold

Fixed thresholds at Boorolong
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5945187925
25 mm (0.98 in): Days with 25 mm or more rain5918192110
50 mm (1.97 in): Days with 50 mm or more rain28718791
100 mm (3.94 in): Days with 100 mm or more rain1119031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1874.

Download the Data

  • Data for Boorolong 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).