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Built 2026-10-15 (15 October 2026)

Ivanhoe (Koonaburra) Threshold Days by Year

3 fixed thresholds counted per year at Ivanhoe (Koonaburra) (ASN00049113): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ivanhoe (Koonaburra) Thresholds

  • Ivanhoe (Koonaburra): days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1947 with 18.
  • Ivanhoe (Koonaburra): days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1939 with 7.
  • Ivanhoe (Koonaburra): days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1939 with 2.
  • 3 fixed thresholds have at least one qualifying day at Ivanhoe (Koonaburra).
20 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ivanhoe (Koonaburra) Days per year at Ivanhoe (Koonaburra) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1947. 051015201912: 91913: 71914: 81915: 91916: 81918: 41919: 21921: 101922: 41923: 51924: 101925: 101936: 131937: 41938: 41939: 121940: 21944: 41947: 181948: 111912191419161919192219241936193819401947
Days per year at Ivanhoe (Koonaburra) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Ivanhoe (Koonaburra)
YearDaysDecade average
191296.7
191376.7
191486.7
191596.7
191686.7
191846.7
191926.7
1921107.8
192247.8
192357.8
1924107.8
1925107.8
1936138.3
193748.3
193848.3
1939128.3
194028.8
194448.8
1947188.8
1948118.8
First to last qualifying date each year at Ivanhoe (Koonaburra) For each year, a bar from the first to the last day at Ivanhoe (Koonaburra) meeting 10 mm (0.39 in). 1912: 10 March 1912 to 26 December 19121913: 13 January 1913 to 28 October 19131914: 12 January 1914 to 22 December 19141915: 19 February 1915 to 13 December 19151916: 28 January 1916 to 22 November 19161918: 13 March 1918 to 16 September 19181919: 21 May 1919 to 28 December 19191921: 20 February 1921 to 12 November 19211922: 20 June 1922 to 7 December 19221923: 4 June 1923 to 25 December 19231924: 6 January 1924 to 15 December 19241925: 15 January 1925 to 13 December 19251936: 5 January 1936 to 22 December 19361937: 9 January 1937 to 27 May 19371938: 24 January 1938 to 25 October 19381939: 17 February 1939 to 17 November 19391940: 4 April 1940 to 21 September 19401944: 7 February 1944 to 17 October 19441947: 12 February 1947 to 19 December 19471948: 4 February 1948 to 28 December 19481912191519191923193619391947JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ivanhoe (Koonaburra) meeting 10 mm (0.39 in).
First to last qualifying date each year at Ivanhoe (Koonaburra)
YearFirst dateLast date
19121912-03-101912-12-26
19131913-01-131913-10-28
19141914-01-121914-12-22
19151915-02-191915-12-13
19161916-01-281916-11-22
19181918-03-131918-09-16
19191919-05-211919-12-28
19211921-02-201921-11-12
19221922-06-201922-12-07
19231923-06-041923-12-25
19241924-01-061924-12-15
19251925-01-151925-12-13
19361936-01-051936-12-22
19371937-01-091937-05-27
19381938-01-241938-10-25
19391939-02-171939-11-17
19401940-04-041940-09-21
19441944-02-071944-10-17
19471947-02-121947-12-19
19481948-02-041948-12-28

Every Fixed Threshold

Fixed thresholds at Ivanhoe (Koonaburra)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2018194711
25 mm (0.98 in): Days with 25 mm or more rain16719392
50 mm (1.97 in): Days with 50 mm or more rain7219392

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Ivanhoe (Koonaburra) 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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