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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Wahroonga Threshold Days by Year

4 fixed thresholds counted per year at Wahroonga (ASN00006068): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wahroonga Thresholds

  • Wahroonga: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1963 with 21.
  • Wahroonga: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 2004 with 6.
  • Wahroonga: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1953 with 2.
  • Wahroonga: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1967 with 1.
  • 4 fixed thresholds have at least one qualifying day at Wahroonga.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wahroonga Days per year at Wahroonga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1963. 01020301953: 111955: 61956: 71957: 51958: 71959: 21960: 81961: 51962: 71963: 211964: 61965: 91966: 41967: 101968: 51969: 31970: 51971: 91972: 61973: 41974: 141975: 111976: 41977: 51978: 51979: 11980: 121981: 61982: 61983: 51984: 91985: 51986: 51987: 31988: 41989: 41990: 71991: 51992: 71993: 81994: 71995: 31996: 81997: 81998: 91999: 102000: 92001: 42002: 42003: 32004: 142005: 92006: 42018: 52019: 21953196019661972197819841990199620022019
Days per year at Wahroonga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Wahroonga
YearDaysDecade average
1953116.3
195566.3
195676.3
195756.3
195876.3
195926.3
196087.8
196157.8
196277.8
1963217.8
196467.8
196597.8
196647.8
1967107.8
196857.8
196937.8
197056.4
197196.4
197266.4
197346.4
1974146.4
1975116.4
197646.4
197756.4
197856.4
197916.4
1980125.9
198165.9
198265.9
198355.9
198495.9
198555.9
198655.9
198735.9
198845.9
198945.9
199077.2
199157.2
199277.2
199387.2
199477.2
199537.2
199687.2
199787.2
199897.2
1999107.2
200096.7
200146.7
200246.7
200336.7
2004146.7
200596.7
200646.7
201853.5
201923.5
First to last qualifying date each year at Wahroonga For each year, a bar from the first to the last day at Wahroonga meeting 10 mm (0.39 in). 1953: 7 January 1953 to 9 August 19531955: 14 January 1955 to 30 September 19551956: 3 March 1956 to 31 August 19561957: 18 January 1957 to 22 June 19571958: 21 January 1958 to 24 June 19581959: 1 June 1959 to 25 July 19591960: 4 February 1960 to 23 July 19601961: 13 February 1961 to 29 August 19611962: 4 January 1962 to 1 October 19621963: 10 January 1963 to 13 July 19631964: 30 March 1964 to 21 June 19641965: 6 June 1965 to 26 November 19651966: 7 February 1966 to 14 November 19661967: 17 January 1967 to 8 August 19671968: 29 January 1968 to 18 June 19681969: 19 February 1969 to 13 June 19691970: 16 February 1970 to 30 May 19701971: 27 March 1971 to 15 August 19711972: 31 May 1972 to 27 July 19721973: 1 April 1973 to 5 August 19731974: 16 February 1974 to 23 December 19741975: 21 February 1975 to 2 November 19751976: 11 May 1976 to 7 August 19761977: 11 March 1977 to 10 June 19771978: 1 April 1978 to 16 August 19781979: 13 March 1979 to 13 March 19791980: 28 January 1980 to 19 October 19801981: 7 February 1981 to 7 June 19811982: 15 January 1982 to 14 June 19821983: 10 March 1983 to 16 November 19831984: 2 March 1984 to 8 October 19841985: 5 June 1985 to 5 August 19851986: 20 February 1986 to 11 September 19861987: 10 February 1987 to 4 July 19871988: 16 April 1988 to 25 July 19881989: 24 May 1989 to 13 June 19891990: 16 January 1990 to 7 August 19901991: 25 February 1991 to 3 July 19911992: 27 April 1992 to 10 August 19921993: 8 April 1993 to 13 November 19931994: 21 February 1994 to 3 August 19941995: 5 June 1995 to 13 December 19951996: 20 April 1996 to 21 October 19961997: 6 March 1997 to 5 September 19971998: 27 May 1998 to 15 December 19981999: 7 February 1999 to 25 December 19992000: 6 January 2000 to 16 August 20002001: 20 January 2001 to 15 August 20012002: 18 May 2002 to 10 August 20022003: 25 June 2003 to 12 August 20032004: 6 January 2004 to 23 November 20042005: 1 May 2005 to 28 October 20052006: 23 January 2006 to 1 April 20062018: 4 January 2018 to 3 July 20182019: 14 April 2019 to 7 June 201919531961196819751982198919962003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wahroonga meeting 10 mm (0.39 in).
First to last qualifying date each year at Wahroonga
YearFirst dateLast date
19531953-01-071953-08-09
19551955-01-141955-09-30
19561956-03-031956-08-31
19571957-01-181957-06-22
19581958-01-211958-06-24
19591959-06-011959-07-25
19601960-02-041960-07-23
19611961-02-131961-08-29
19621962-01-041962-10-01
19631963-01-101963-07-13
19641964-03-301964-06-21
19651965-06-061965-11-26
19661966-02-071966-11-14
19671967-01-171967-08-08
19681968-01-291968-06-18
19691969-02-191969-06-13
19701970-02-161970-05-30
19711971-03-271971-08-15
19721972-05-311972-07-27
19731973-04-011973-08-05
19741974-02-161974-12-23
19751975-02-211975-11-02
19761976-05-111976-08-07
19771977-03-111977-06-10
19781978-04-011978-08-16
19791979-03-131979-03-13
19801980-01-281980-10-19
19811981-02-071981-06-07
19821982-01-151982-06-14
19831983-03-101983-11-16
19841984-03-021984-10-08
19851985-06-051985-08-05
19861986-02-201986-09-11
19871987-02-101987-07-04
19881988-04-161988-07-25
19891989-05-241989-06-13
19901990-01-161990-08-07
19911991-02-251991-07-03
19921992-04-271992-08-10
19931993-04-081993-11-13
19941994-02-211994-08-03
19951995-06-051995-12-13
19961996-04-201996-10-21
19971997-03-061997-09-05
19981998-05-271998-12-15
19991999-02-071999-12-25
20002000-01-062000-08-16
20012001-01-202001-08-15
20022002-05-182002-08-10
20032003-06-252003-08-12
20042004-01-062004-11-23
20052005-05-012005-10-28
20062006-01-232006-04-01
20182018-01-042018-07-03
20192019-04-142019-06-07

Every Fixed Threshold

Fixed thresholds at Wahroonga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain552119632
25 mm (0.98 in): Days with 25 mm or more rain47620041
50 mm (1.97 in): Days with 50 mm or more rain14219532
100 mm (3.94 in): Days with 100 mm or more rain3119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Wahroonga 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).