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Built 2026-10-19 (19 October 2026)

Ammaroo Threshold Days by Year

4 fixed thresholds counted per year at Ammaroo (ASN00015585): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ammaroo Thresholds

  • Ammaroo: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 2000 with 26.
  • Ammaroo: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 2010 with 12.
  • Ammaroo: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 2000 with 8.
  • Ammaroo: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1967 with 1.
  • 4 fixed thresholds have at least one qualifying day at Ammaroo.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ammaroo Days per year at Ammaroo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 2000. 01020301956: 71957: 101958: 41959: 41960: 91961: 41962: 131963: 51964: 61965: 51966: 81967: 41968: 131969: 41970: 81971: 71972: 61973: 101979: 161980: 71981: 121982: 71983: 151984: 161985: 61986: 81987: 101988: 71989: 71990: 51991: 131992: 111993: 91994: 21995: 91996: 61997: 141998: 51999: 82000: 262001: 182002: 62003: 42004: 92005: 92007: 122008: 52009: 72010: 212011: 222012: 82013: 52014: 92015: 82016: 152017: 62018: 22019: 52020: 122021: 102022: 152023: 112025: 82026: 131956196319701982198919962003201120182026
Days per year at Ammaroo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 2000.
Days with 10 mm (0.39 in) or more of precipitation per year at Ammaroo
YearDaysDecade average
195676.3
1957106.3
195846.3
195946.3
196097.1
196147.1
1962137.1
196357.1
196467.1
196557.1
196687.1
196747.1
1968137.1
196947.1
197089.4
197179.4
197269.4
1973109.4
1979169.4
198079.5
1981129.5
198279.5
1983159.5
1984169.5
198569.5
198689.5
1987109.5
198879.5
198979.5
199058.2
1991138.2
1992118.2
199398.2
199428.2
199598.2
199668.2
1997148.2
199858.2
199988.2
20002610.7
20011810.7
2002610.7
2003410.7
2004910.7
2005910.7
20071210.7
2008510.7
2009710.7
20102110.1
20112210.1
2012810.1
2013510.1
2014910.1
2015810.1
20161510.1
2017610.1
2018210.1
2019510.1
20201211.5
20211011.5
20221511.5
20231111.5
2025811.5
20261311.5
First to last qualifying date each year at Ammaroo For each year, a bar from the first to the last day at Ammaroo meeting 10 mm (0.39 in). 1956: 6 February 1956 to 13 December 19561957: 7 January 1957 to 31 December 19571958: 20 May 1958 to 16 December 19581959: 14 March 1959 to 21 May 19591960: 16 January 1960 to 21 December 19601961: 1 January 1961 to 18 April 19611962: 11 January 1962 to 3 June 19621963: 21 March 1963 to 16 May 19631964: 12 January 1964 to 24 December 19641965: 8 March 1965 to 22 December 19651966: 12 January 1966 to 12 December 19661967: 6 February 1967 to 24 February 19671968: 20 January 1968 to 28 August 19681969: 7 February 1969 to 26 October 19691970: 7 February 1970 to 5 December 19701971: 19 March 1971 to 28 November 19711972: 12 January 1972 to 5 December 19721973: 1 February 1973 to 20 December 19731979: 16 January 1979 to 24 November 19791980: 2 January 1980 to 3 December 19801981: 21 January 1981 to 14 December 19811982: 11 February 1982 to 31 December 19821983: 13 March 1983 to 1 December 19831984: 3 January 1984 to 19 December 19841985: 8 February 1985 to 1 December 19851986: 12 January 1986 to 8 November 19861987: 1 February 1987 to 26 December 19871988: 30 March 1988 to 26 December 19881989: 12 March 1989 to 14 December 19891990: 10 January 1990 to 22 May 19901991: 20 January 1991 to 2 November 19911992: 31 January 1992 to 18 November 19921993: 19 January 1993 to 21 December 19931994: 27 February 1994 to 14 November 19941995: 12 January 1995 to 30 December 19951996: 1 January 1996 to 7 October 19961997: 6 January 1997 to 22 December 19971998: 5 February 1998 to 11 November 19981999: 6 January 1999 to 25 November 19992000: 26 January 2000 to 24 December 20002001: 26 January 2001 to 15 December 20012002: 12 January 2002 to 26 November 20022003: 17 February 2003 to 29 December 20032004: 25 January 2004 to 4 November 20042005: 3 January 2005 to 18 December 20052007: 12 January 2007 to 21 December 20072008: 16 March 2008 to 29 December 20082009: 2 January 2009 to 19 December 20092010: 6 January 2010 to 19 December 20102011: 2 January 2011 to 21 December 20112012: 9 January 2012 to 21 December 20122013: 19 January 2013 to 22 May 20132014: 18 January 2014 to 25 December 20142015: 4 January 2015 to 14 June 20152016: 20 January 2016 to 31 December 20162017: 13 January 2017 to 14 November 20172018: 8 March 2018 to 9 March 20182019: 12 January 2019 to 26 October 20192020: 19 January 2020 to 23 December 20202021: 4 January 2021 to 24 December 20212022: 14 January 2022 to 29 December 20222023: 5 January 2023 to 2 July 20232025: 28 January 2025 to 9 November 20252026: 10 February 2026 to 5 July 202619561964197219851993200120102018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ammaroo meeting 10 mm (0.39 in).
First to last qualifying date each year at Ammaroo
YearFirst dateLast date
19561956-02-061956-12-13
19571957-01-071957-12-31
19581958-05-201958-12-16
19591959-03-141959-05-21
19601960-01-161960-12-21
19611961-01-011961-04-18
19621962-01-111962-06-03
19631963-03-211963-05-16
19641964-01-121964-12-24
19651965-03-081965-12-22
19661966-01-121966-12-12
19671967-02-061967-02-24
19681968-01-201968-08-28
19691969-02-071969-10-26
19701970-02-071970-12-05
19711971-03-191971-11-28
19721972-01-121972-12-05
19731973-02-011973-12-20
19791979-01-161979-11-24
19801980-01-021980-12-03
19811981-01-211981-12-14
19821982-02-111982-12-31
19831983-03-131983-12-01
19841984-01-031984-12-19
19851985-02-081985-12-01
19861986-01-121986-11-08
19871987-02-011987-12-26
19881988-03-301988-12-26
19891989-03-121989-12-14
19901990-01-101990-05-22
19911991-01-201991-11-02
19921992-01-311992-11-18
19931993-01-191993-12-21
19941994-02-271994-11-14
19951995-01-121995-12-30
19961996-01-011996-10-07
19971997-01-061997-12-22
19981998-02-051998-11-11
19991999-01-061999-11-25
20002000-01-262000-12-24
20012001-01-262001-12-15
20022002-01-122002-11-26
20032003-02-172003-12-29
20042004-01-252004-11-04
20052005-01-032005-12-18
20072007-01-122007-12-21
20082008-03-162008-12-29
20092009-01-022009-12-19
20102010-01-062010-12-19
20112011-01-022011-12-21
20122012-01-092012-12-21
20132013-01-192013-05-22
20142014-01-182014-12-25
20152015-01-042015-06-14
20162016-01-202016-12-31
20172017-01-132017-11-14
20182018-03-082018-03-09
20192019-01-122019-10-26
20202020-01-192020-12-23
20212021-01-042021-12-24
20222022-01-142022-12-29
20232023-01-052023-07-02
20252025-01-282025-11-09
20262026-02-102026-07-05

Every Fixed Threshold

Fixed thresholds at Ammaroo
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6426200013
25 mm (0.98 in): Days with 25 mm or more rain561220106
50 mm (1.97 in): Days with 50 mm or more rain32820002
100 mm (3.94 in): Days with 100 mm or more rain6119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Ammaroo 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 (2026-10-12).