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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Koolool Threshold Days by Year

5 fixed thresholds counted per year at Koolool (ASN00058086): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koolool Thresholds

  • Koolool: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1925 with 60.
  • Koolool: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1925 with 29.
  • Koolool: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1925 with 9.
  • Koolool: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1921 with 4.
  • 5 fixed thresholds have at least one qualifying day at Koolool.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koolool Days per year at Koolool with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1925. 02040601895: 371896: 411897: 351898: 481899: 451900: 241901: 371902: 201903: 391904: 351905: 321906: 411907: 431908: 311909: 351910: 451911: 341912: 351913: 351914: 381915: 241916: 371917: 401918: 271919: 311920: 451921: 491922: 361923: 291924: 281925: 601926: 291927: 471928: 441929: 361931: 361932: 221933: 441934: 371935: 341936: 311937: 391938: 361939: 331940: 311941: 291942: 261943: 301944: 271895190019051910191519201925193119361941
Days per year at Koolool with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1925.
Days with 10 mm (0.39 in) or more of precipitation per year at Koolool
YearDaysDecade average
18953741.2
18964141.2
18973541.2
18984841.2
18994541.2
19002433.7
19013733.7
19022033.7
19033933.7
19043533.7
19053233.7
19064133.7
19074333.7
19083133.7
19093533.7
19104534.6
19113434.6
19123534.6
19133534.6
19143834.6
19152434.6
19163734.6
19174034.6
19182734.6
19193134.6
19204540.3
19214940.3
19223640.3
19232940.3
19242840.3
19256040.3
19262940.3
19274740.3
19284440.3
19293640.3
19313634.7
19322234.7
19334434.7
19343734.7
19353434.7
19363134.7
19373934.7
19383634.7
19393334.7
19403128.6
19412928.6
19422628.6
19433028.6
19442728.6
First to last qualifying date each year at Koolool For each year, a bar from the first to the last day at Koolool meeting 10 mm (0.39 in). 1895: 17 January 1895 to 31 December 18951896: 10 January 1896 to 30 December 18961897: 17 January 1897 to 31 December 18971898: 1 January 1898 to 25 December 18981899: 3 January 1899 to 31 December 18991900: 9 January 1900 to 25 December 19001901: 7 January 1901 to 23 October 19011902: 3 January 1902 to 18 December 19021903: 28 January 1903 to 25 December 19031904: 2 January 1904 to 21 December 19041905: 16 January 1905 to 29 December 19051906: 9 January 1906 to 29 December 19061907: 4 January 1907 to 30 December 19071908: 11 January 1908 to 28 December 19081909: 21 January 1909 to 28 December 19091910: 7 January 1910 to 12 December 19101911: 11 January 1911 to 3 December 19111912: 7 January 1912 to 31 December 19121913: 16 January 1913 to 20 December 19131914: 14 January 1914 to 28 December 19141915: 1 January 1915 to 26 December 19151916: 12 January 1916 to 25 December 19161917: 14 January 1917 to 13 December 19171918: 2 January 1918 to 17 December 19181919: 15 January 1919 to 31 December 19191920: 4 January 1920 to 9 December 19201921: 4 January 1921 to 31 December 19211922: 1 January 1922 to 16 December 19221923: 2 March 1923 to 27 December 19231924: 7 January 1924 to 17 December 19241925: 5 January 1925 to 31 December 19251926: 1 January 1926 to 30 December 19261927: 9 January 1927 to 28 December 19271928: 3 January 1928 to 20 November 19281929: 11 January 1929 to 31 December 19291931: 26 January 1931 to 23 December 19311932: 4 January 1932 to 26 November 19321933: 15 January 1933 to 30 December 19331934: 3 January 1934 to 28 December 19341935: 15 January 1935 to 20 December 19351936: 10 January 1936 to 29 December 19361937: 10 January 1937 to 31 December 19371938: 15 January 1938 to 22 December 19381939: 18 January 1939 to 14 December 19391940: 20 January 1940 to 12 December 19401941: 10 January 1941 to 23 December 19411942: 13 January 1942 to 31 December 19421943: 1 January 1943 to 31 December 19431944: 1 January 1944 to 21 December 19441895190219091916192319311938JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koolool meeting 10 mm (0.39 in).
First to last qualifying date each year at Koolool
YearFirst dateLast date
18951895-01-171895-12-31
18961896-01-101896-12-30
18971897-01-171897-12-31
18981898-01-011898-12-25
18991899-01-031899-12-31
19001900-01-091900-12-25
19011901-01-071901-10-23
19021902-01-031902-12-18
19031903-01-281903-12-25
19041904-01-021904-12-21
19051905-01-161905-12-29
19061906-01-091906-12-29
19071907-01-041907-12-30
19081908-01-111908-12-28
19091909-01-211909-12-28
19101910-01-071910-12-12
19111911-01-111911-12-03
19121912-01-071912-12-31
19131913-01-161913-12-20
19141914-01-141914-12-28
19151915-01-011915-12-26
19161916-01-121916-12-25
19171917-01-141917-12-13
19181918-01-021918-12-17
19191919-01-151919-12-31
19201920-01-041920-12-09
19211921-01-041921-12-31
19221922-01-011922-12-16
19231923-03-021923-12-27
19241924-01-071924-12-17
19251925-01-051925-12-31
19261926-01-011926-12-30
19271927-01-091927-12-28
19281928-01-031928-11-20
19291929-01-111929-12-31
19311931-01-261931-12-23
19321932-01-041932-11-26
19331933-01-151933-12-30
19341934-01-031934-12-28
19351935-01-151935-12-20
19361936-01-101936-12-29
19371937-01-101937-12-31
19381938-01-151938-12-22
19391939-01-181939-12-14
19401940-01-201940-12-12
19411941-01-101941-12-23
19421942-01-131942-12-31
19431943-01-011943-12-31
19441944-01-011944-12-21

Every Fixed Threshold

Fixed thresholds at Koolool
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4960192527
25 mm (0.98 in): Days with 25 mm or more rain4929192512
50 mm (1.97 in): Days with 50 mm or more rain47919255
100 mm (3.94 in): Days with 100 mm or more rain20419211
200 mm (7.87 in): Days with 200 mm or more rain1119191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Koolool 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).