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

Bool Lagoon Threshold Days by Year

3 fixed thresholds counted per year at Bool Lagoon (ASN00026002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bool Lagoon Thresholds

  • Bool Lagoon: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1947 with 32.
  • Bool Lagoon: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1933 with 6.
  • Bool Lagoon: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1910 with 2.
  • 3 fixed thresholds have at least one qualifying day at Bool Lagoon.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bool Lagoon Days per year at Bool Lagoon with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1947. 0102030401909: 231910: 191911: 121912: 161913: 61914: 71915: 141916: 161917: 211918: 201919: 151920: 281921: 191922: 171923: 251924: 171925: 151926: 151927: 181928: 171929: 221930: 171931: 101932: 161933: 161934: 171935: 151936: 161937: 131938: 121939: 131940: 61941: 171942: 221943: 111944: 111945: 151946: 141947: 321948: 101949: 121950: 131951: 161952: 211953: 201954: 81955: 211909191419191924192919341939194419491954
Days per year at Bool Lagoon with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Bool Lagoon
YearDaysDecade average
19092323
19101914.6
19111214.6
19121614.6
1913614.6
1914714.6
19151414.6
19161614.6
19172114.6
19182014.6
19191514.6
19202819.3
19211919.3
19221719.3
19232519.3
19241719.3
19251519.3
19261519.3
19271819.3
19281719.3
19292219.3
19301714.5
19311014.5
19321614.5
19331614.5
19341714.5
19351514.5
19361614.5
19371314.5
19381214.5
19391314.5
1940615
19411715
19422215
19431115
19441115
19451515
19461415
19473215
19481015
19491215
19501316.5
19511616.5
19522116.5
19532016.5
1954816.5
19552116.5
First to last qualifying date each year at Bool Lagoon For each year, a bar from the first to the last day at Bool Lagoon meeting 10 mm (0.39 in). 1909: 24 February 1909 to 19 November 19091910: 6 March 1910 to 23 December 19101911: 1 February 1911 to 12 December 19111912: 7 April 1912 to 7 December 19121913: 15 February 1913 to 23 December 19131914: 25 January 1914 to 15 December 19141915: 20 February 1915 to 15 October 19151916: 28 January 1916 to 8 December 19161917: 22 January 1917 to 20 October 19171918: 25 April 1918 to 2 December 19181919: 3 February 1919 to 27 December 19191920: 7 March 1920 to 4 November 19201921: 2 January 1921 to 3 December 19211922: 5 April 1922 to 24 December 19221923: 8 May 1923 to 14 December 19231924: 15 February 1924 to 11 November 19241925: 21 April 1925 to 20 November 19251926: 24 April 1926 to 8 October 19261927: 5 January 1927 to 5 December 19271928: 12 February 1928 to 18 October 19281929: 30 January 1929 to 28 December 19291930: 21 February 1930 to 16 December 19301931: 25 January 1931 to 28 August 19311932: 5 February 1932 to 12 October 19321933: 24 January 1933 to 5 December 19331934: 6 January 1934 to 30 November 19341935: 16 March 1935 to 2 November 19351936: 9 January 1936 to 17 December 19361937: 21 February 1937 to 11 December 19371938: 14 January 1938 to 27 November 19381939: 16 January 1939 to 6 November 19391940: 15 April 1940 to 20 December 19401941: 24 January 1941 to 26 October 19411942: 19 January 1942 to 19 December 19421943: 18 February 1943 to 3 November 19431944: 27 February 1944 to 23 December 19441945: 31 January 1945 to 27 December 19451946: 17 January 1946 to 13 November 19461947: 4 February 1947 to 22 December 19471948: 10 April 1948 to 8 November 19481949: 13 January 1949 to 31 October 19491950: 22 March 1950 to 20 December 19501951: 17 April 1951 to 10 December 19511952: 24 January 1952 to 10 December 19521953: 19 May 1953 to 7 December 19531954: 28 January 1954 to 11 December 19541955: 5 May 1955 to 20 October 195519091915192119271933193919451951JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bool Lagoon meeting 10 mm (0.39 in).
First to last qualifying date each year at Bool Lagoon
YearFirst dateLast date
19091909-02-241909-11-19
19101910-03-061910-12-23
19111911-02-011911-12-12
19121912-04-071912-12-07
19131913-02-151913-12-23
19141914-01-251914-12-15
19151915-02-201915-10-15
19161916-01-281916-12-08
19171917-01-221917-10-20
19181918-04-251918-12-02
19191919-02-031919-12-27
19201920-03-071920-11-04
19211921-01-021921-12-03
19221922-04-051922-12-24
19231923-05-081923-12-14
19241924-02-151924-11-11
19251925-04-211925-11-20
19261926-04-241926-10-08
19271927-01-051927-12-05
19281928-02-121928-10-18
19291929-01-301929-12-28
19301930-02-211930-12-16
19311931-01-251931-08-28
19321932-02-051932-10-12
19331933-01-241933-12-05
19341934-01-061934-11-30
19351935-03-161935-11-02
19361936-01-091936-12-17
19371937-02-211937-12-11
19381938-01-141938-11-27
19391939-01-161939-11-06
19401940-04-151940-12-20
19411941-01-241941-10-26
19421942-01-191942-12-19
19431943-02-181943-11-03
19441944-02-271944-12-23
19451945-01-311945-12-27
19461946-01-171946-11-13
19471947-02-041947-12-22
19481948-04-101948-11-08
19491949-01-131949-10-31
19501950-03-221950-12-20
19511951-04-171951-12-10
19521952-01-241952-12-10
19531953-05-191953-12-07
19541954-01-281954-12-11
19551955-05-051955-10-20

Every Fixed Threshold

Fixed thresholds at Bool Lagoon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4732194721
25 mm (0.98 in): Days with 25 mm or more rain36619331
50 mm (1.97 in): Days with 50 mm or more rain9219101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Bool Lagoon 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).