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Built 2026-10-18 (18 October 2026)

Koloona (Alkira) Threshold Days by Year

4 fixed thresholds counted per year at Koloona (Alkira) (ASN00054040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koloona (Alkira) Thresholds

  • Koloona (Alkira): days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1975 with 37.
  • Koloona (Alkira): days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1995 with 15.
  • Koloona (Alkira): days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1973 with 4.
  • Koloona (Alkira): days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1959 with 1.
  • 4 fixed thresholds have at least one qualifying day at Koloona (Alkira).
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koloona (Alkira) Days per year at Koloona (Alkira) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1975. 0102030401959: 311960: 201961: 191962: 311963: 311964: 311965: 111970: 41972: 241973: 261974: 181975: 371976: 241977: 261978: 341979: 241980: 161981: 201982: 221983: 371984: 261985: 231986: 211987: 261988: 311989: 221990: 261991: 221992: 201993: 211994: 121995: 371996: 311997: 241998: 31195919631972197619801984198819921996
Days per year at Koloona (Alkira) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Koloona (Alkira)
YearDaysDecade average
19593131
19602023.8
19611923.8
19623123.8
19633123.8
19643123.8
19651123.8
1970424.1
19722424.1
19732624.1
19741824.1
19753724.1
19762424.1
19772624.1
19783424.1
19792424.1
19801624.4
19812024.4
19822224.4
19833724.4
19842624.4
19852324.4
19862124.4
19872624.4
19883124.4
19892224.4
19902624.9
19912224.9
19922024.9
19932124.9
19941224.9
19953724.9
19963124.9
19972424.9
19983124.9
First to last qualifying date each year at Koloona (Alkira) For each year, a bar from the first to the last day at Koloona (Alkira) meeting 10 mm (0.39 in). 1959: 2 January 1959 to 26 December 19591960: 20 January 1960 to 15 December 19601961: 3 January 1961 to 14 December 19611962: 1 January 1962 to 31 December 19621963: 7 January 1963 to 10 December 19631964: 13 January 1964 to 23 November 19641965: 9 April 1965 to 19 November 19651970: 23 April 1970 to 9 December 19701972: 16 January 1972 to 9 December 19721973: 1 January 1973 to 25 December 19731974: 7 January 1974 to 20 November 19741975: 5 January 1975 to 23 December 19751976: 11 January 1976 to 24 December 19761977: 12 January 1977 to 3 December 19771978: 6 January 1978 to 29 December 19781979: 26 January 1979 to 21 November 19791980: 3 January 1980 to 29 December 19801981: 5 February 1981 to 25 December 19811982: 15 January 1982 to 30 December 19821983: 1 January 1983 to 31 December 19831984: 3 January 1984 to 20 December 19841985: 17 January 1985 to 10 December 19851986: 11 January 1986 to 1 December 19861987: 2 January 1987 to 23 December 19871988: 11 January 1988 to 19 December 19881989: 1 January 1989 to 5 December 19891990: 12 January 1990 to 31 December 19901991: 6 January 1991 to 31 December 19911992: 1 January 1992 to 16 December 19921993: 16 January 1993 to 9 December 19931994: 21 January 1994 to 25 December 19941995: 7 January 1995 to 31 December 19951996: 3 January 1996 to 31 December 19961997: 26 January 1997 to 27 December 19971998: 21 January 1998 to 16 December 19981959196419741979198419891994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koloona (Alkira) meeting 10 mm (0.39 in).
First to last qualifying date each year at Koloona (Alkira)
YearFirst dateLast date
19591959-01-021959-12-26
19601960-01-201960-12-15
19611961-01-031961-12-14
19621962-01-011962-12-31
19631963-01-071963-12-10
19641964-01-131964-11-23
19651965-04-091965-11-19
19701970-04-231970-12-09
19721972-01-161972-12-09
19731973-01-011973-12-25
19741974-01-071974-11-20
19751975-01-051975-12-23
19761976-01-111976-12-24
19771977-01-121977-12-03
19781978-01-061978-12-29
19791979-01-261979-11-21
19801980-01-031980-12-29
19811981-02-051981-12-25
19821982-01-151982-12-30
19831983-01-011983-12-31
19841984-01-031984-12-20
19851985-01-171985-12-10
19861986-01-111986-12-01
19871987-01-021987-12-23
19881988-01-111988-12-19
19891989-01-011989-12-05
19901990-01-121990-12-31
19911991-01-061991-12-31
19921992-01-011992-12-16
19931993-01-161993-12-09
19941994-01-211994-12-25
19951995-01-071995-12-31
19961996-01-031996-12-31
19971997-01-261997-12-27
19981998-01-211998-12-16

Every Fixed Threshold

Fixed thresholds at Koloona (Alkira)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3537197531
25 mm (0.98 in): Days with 25 mm or more rain351519958
50 mm (1.97 in): Days with 50 mm or more rain24419731
100 mm (3.94 in): Days with 100 mm or more rain7119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Koloona (Alkira) 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).