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Built 2026-10-19 (19 October 2026)

Alcoota Threshold Days by Year (ASN00015593)

4 fixed thresholds counted per year at Alcoota (ASN00015593): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alcoota Thresholds

  • Alcoota: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1974 with 32.
  • Alcoota: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1974 with 16.
  • Alcoota: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1974 with 6.
  • Alcoota: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1974 with 2.
  • 4 fixed thresholds have at least one qualifying day at Alcoota.
45 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Alcoota Days per year at Alcoota with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1974. 0102030401952: 81953: 61954: 51955: 81956: 151962: 121963: 21964: 11965: 31966: 81967: 61968: 121969: 111970: 51973: 121974: 321975: 181976: 151977: 161978: 141979: 131980: 61981: 101982: 71983: 161984: 121985: 71986: 121987: 51988: 51989: 91990: 91991: 91992: 131993: 131994: 21995: 121996: 51997: 121998: 91999: 132000: 152001: 202002: 62003: 6195219621967197419791984198919941999
Days per year at Alcoota with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Alcoota
YearDaysDecade average
195288.4
195368.4
195458.4
195588.4
1956158.4
1962126.9
196326.9
196416.9
196536.9
196686.9
196766.9
1968126.9
1969116.9
1970515.6
19731215.6
19743215.6
19751815.6
19761515.6
19771615.6
19781415.6
19791315.6
198068.9
1981108.9
198278.9
1983168.9
1984128.9
198578.9
1986128.9
198758.9
198858.9
198998.9
199099.7
199199.7
1992139.7
1993139.7
199429.7
1995129.7
199659.7
1997129.7
199899.7
1999139.7
20001511.8
20012011.8
2002611.8
2003611.8
First to last qualifying date each year at Alcoota For each year, a bar from the first to the last day at Alcoota meeting 10 mm (0.39 in). 1952: 24 January 1952 to 27 December 19521953: 5 January 1953 to 29 December 19531954: 19 January 1954 to 1 October 19541955: 8 February 1955 to 25 October 19551956: 19 February 1956 to 13 December 19561962: 11 January 1962 to 14 August 19621963: 17 May 1963 to 31 December 19631964: 2 June 1964 to 2 June 19641965: 18 June 1965 to 7 December 19651966: 21 January 1966 to 31 October 19661967: 5 February 1967 to 2 December 19671968: 4 January 1968 to 3 December 19681969: 3 February 1969 to 14 December 19691970: 7 February 1970 to 7 December 19701973: 2 February 1973 to 31 December 19731974: 12 January 1974 to 25 December 19741975: 8 January 1975 to 18 December 19751976: 6 January 1976 to 20 November 19761977: 14 January 1977 to 30 November 19771978: 18 January 1978 to 26 December 19781979: 16 January 1979 to 23 November 19791980: 3 January 1980 to 27 May 19801981: 24 January 1981 to 13 December 19811982: 11 February 1982 to 29 December 19821983: 10 January 1983 to 6 December 19831984: 3 January 1984 to 19 December 19841985: 4 February 1985 to 23 November 19851986: 12 January 1986 to 4 December 19861987: 28 February 1987 to 28 November 19871988: 30 March 1988 to 26 December 19881989: 8 March 1989 to 14 December 19891990: 9 January 1990 to 30 November 19901991: 17 January 1991 to 20 June 19911992: 2 January 1992 to 3 December 19921993: 16 January 1993 to 17 November 19931994: 18 February 1994 to 15 November 19941995: 13 January 1995 to 31 December 19951996: 14 March 1996 to 2 December 19961997: 15 January 1997 to 6 December 19971998: 7 February 1998 to 14 December 19981999: 7 January 1999 to 25 December 19992000: 9 February 2000 to 14 December 20002001: 11 January 2001 to 15 December 20012002: 20 February 2002 to 29 November 20022003: 21 January 2003 to 17 October 200319521963196919771983198919952001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alcoota meeting 10 mm (0.39 in).
First to last qualifying date each year at Alcoota
YearFirst dateLast date
19521952-01-241952-12-27
19531953-01-051953-12-29
19541954-01-191954-10-01
19551955-02-081955-10-25
19561956-02-191956-12-13
19621962-01-111962-08-14
19631963-05-171963-12-31
19641964-06-021964-06-02
19651965-06-181965-12-07
19661966-01-211966-10-31
19671967-02-051967-12-02
19681968-01-041968-12-03
19691969-02-031969-12-14
19701970-02-071970-12-07
19731973-02-021973-12-31
19741974-01-121974-12-25
19751975-01-081975-12-18
19761976-01-061976-11-20
19771977-01-141977-11-30
19781978-01-181978-12-26
19791979-01-161979-11-23
19801980-01-031980-05-27
19811981-01-241981-12-13
19821982-02-111982-12-29
19831983-01-101983-12-06
19841984-01-031984-12-19
19851985-02-041985-11-23
19861986-01-121986-12-04
19871987-02-281987-11-28
19881988-03-301988-12-26
19891989-03-081989-12-14
19901990-01-091990-11-30
19911991-01-171991-06-20
19921992-01-021992-12-03
19931993-01-161993-11-17
19941994-02-181994-11-15
19951995-01-131995-12-31
19961996-03-141996-12-02
19971997-01-151997-12-06
19981998-02-071998-12-14
19991999-01-071999-12-25
20002000-02-092000-12-14
20012001-01-112001-12-15
20022002-02-202002-11-29
20032003-01-212003-10-17

Every Fixed Threshold

Fixed thresholds at Alcoota
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain453219746
25 mm (0.98 in): Days with 25 mm or more rain401619743
50 mm (1.97 in): Days with 50 mm or more rain25619742
100 mm (3.94 in): Days with 100 mm or more rain4219741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Alcoota 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).