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Built 2026-10-19 (19 October 2026)

Williamstown (Glen Gillian) Threshold Days by Year (ASN00023756)

3 fixed thresholds counted per year at Williamstown (Glen Gillian) (ASN00023756): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Williamstown (Glen Gillian) Thresholds

  • Williamstown (Glen Gillian): days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1992 with 39.
  • Williamstown (Glen Gillian): days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 2011 with 10.
  • Williamstown (Glen Gillian): days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 2016 with 2.
  • 3 fixed thresholds have at least one qualifying day at Williamstown (Glen Gillian).
75 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Williamstown (Glen Gillian) Days per year at Williamstown (Glen Gillian) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1992. 0102030401952: 231953: 211954: 141955: 261956: 241957: 71958: 161959: 71960: 241961: 151962: 201963: 211964: 191965: 161966: 231967: 101968: 311969: 221970: 261971: 281972: 221973: 241974: 351975: 241976: 121977: 171978: 271979: 301980: 191981: 381982: 111983: 261984: 171985: 151986: 231987: 211988: 231989: 231990: 241991: 221992: 391993: 141994: 121995: 221996: 341997: 181998: 201999: 222000: 282001: 262002: 202003: 252004: 282005: 282006: 182007: 172008: 172009: 282010: 252011: 222012: 132013: 222014: 232015: 172016: 302017: 242018: 202019: 132020: 242021: 242022: 322023: 222024: 152025: 172026: 211952196019681976198419922000200820162024
Days per year at Williamstown (Glen Gillian) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Williamstown (Glen Gillian)
YearDaysDecade average
19522317.3
19532117.3
19541417.3
19552617.3
19562417.3
1957717.3
19581617.3
1959717.3
19602420.1
19611520.1
19622020.1
19632120.1
19641920.1
19651620.1
19662320.1
19671020.1
19683120.1
19692220.1
19702624.5
19712824.5
19722224.5
19732424.5
19743524.5
19752424.5
19761224.5
19771724.5
19782724.5
19793024.5
19801921.6
19813821.6
19821121.6
19832621.6
19841721.6
19851521.6
19862321.6
19872121.6
19882321.6
19892321.6
19902422.7
19912222.7
19923922.7
19931422.7
19941222.7
19952222.7
19963422.7
19971822.7
19982022.7
19992222.7
20002823.5
20012623.5
20022023.5
20032523.5
20042823.5
20052823.5
20061823.5
20071723.5
20081723.5
20092823.5
20102520.9
20112220.9
20121320.9
20132220.9
20142320.9
20151720.9
20163020.9
20172420.9
20182020.9
20191320.9
20202422.1
20212422.1
20223222.1
20232222.1
20241522.1
20251722.1
20262122.1
First to last qualifying date each year at Williamstown (Glen Gillian) For each year, a bar from the first to the last day at Williamstown (Glen Gillian) meeting 10 mm (0.39 in). 1952: 24 January 1952 to 27 November 19521953: 18 May 1953 to 4 November 19531954: 14 April 1954 to 24 December 19541955: 8 February 1955 to 3 December 19551956: 20 January 1956 to 17 October 19561957: 10 April 1957 to 23 October 19571958: 18 February 1958 to 16 October 19581959: 15 February 1959 to 26 December 19591960: 2 February 1960 to 12 November 19601961: 8 February 1961 to 17 December 19611962: 17 January 1962 to 29 December 19621963: 13 January 1963 to 12 September 19631964: 8 April 1964 to 18 November 19641965: 17 April 1965 to 24 December 19651966: 16 February 1966 to 4 December 19661967: 23 February 1967 to 30 December 19671968: 20 January 1968 to 3 December 19681969: 9 February 1969 to 2 December 19691970: 1 January 1970 to 12 December 19701971: 15 March 1971 to 10 December 19711972: 7 January 1972 to 26 December 19721973: 4 February 1973 to 30 December 19731974: 28 January 1974 to 24 October 19741975: 20 March 1975 to 31 October 19751976: 9 January 1976 to 2 November 19761977: 15 January 1977 to 2 December 19771978: 10 April 1978 to 19 November 19781979: 17 January 1979 to 18 November 19791980: 18 April 1980 to 6 November 19801981: 10 January 1981 to 28 November 19811982: 8 March 1982 to 27 September 19821983: 3 March 1983 to 26 November 19831984: 7 April 1984 to 1 November 19841985: 16 March 1985 to 8 December 19851986: 16 April 1986 to 7 December 19861987: 25 January 1987 to 1 December 19871988: 6 February 1988 to 26 December 19881989: 7 May 1989 to 2 December 19891990: 11 January 1990 to 10 December 19901991: 14 April 1991 to 6 November 19911992: 12 February 1992 to 20 December 19921993: 24 January 1993 to 23 December 19931994: 7 January 1994 to 7 November 19941995: 15 January 1995 to 22 October 19951996: 1 January 1996 to 6 December 19961997: 15 January 1997 to 18 December 19971998: 14 January 1998 to 11 November 19981999: 18 March 1999 to 3 December 19992000: 20 February 2000 to 22 December 20002001: 17 March 2001 to 23 November 20012002: 21 January 2002 to 31 December 20022003: 1 January 2003 to 31 October 20032004: 22 February 2004 to 9 December 20042005: 20 January 2005 to 16 December 20052006: 2 January 2006 to 22 December 20062007: 7 January 2007 to 22 December 20072008: 3 April 2008 to 13 December 20082009: 4 March 2009 to 8 December 20092010: 13 January 2010 to 19 December 20102011: 12 February 2011 to 18 December 20112012: 8 January 2012 to 9 October 20122013: 28 February 2013 to 3 October 20132014: 14 February 2014 to 11 December 20142015: 9 January 2015 to 5 November 20152016: 30 January 2016 to 28 December 20162017: 14 January 2017 to 1 December 20172018: 15 April 2018 to 22 November 20182019: 8 May 2019 to 21 September 20192020: 1 February 2020 to 30 October 20202021: 26 January 2021 to 12 November 20212022: 23 January 2022 to 21 November 20222023: 29 January 2023 to 12 December 20232024: 7 January 2024 to 27 November 20242025: 27 May 2025 to 29 November 20252026: 1 March 2026 to 25 August 202619521962197219821992200220122022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Williamstown (Glen Gillian) meeting 10 mm (0.39 in).
First to last qualifying date each year at Williamstown (Glen Gillian)
YearFirst dateLast date
19521952-01-241952-11-27
19531953-05-181953-11-04
19541954-04-141954-12-24
19551955-02-081955-12-03
19561956-01-201956-10-17
19571957-04-101957-10-23
19581958-02-181958-10-16
19591959-02-151959-12-26
19601960-02-021960-11-12
19611961-02-081961-12-17
19621962-01-171962-12-29
19631963-01-131963-09-12
19641964-04-081964-11-18
19651965-04-171965-12-24
19661966-02-161966-12-04
19671967-02-231967-12-30
19681968-01-201968-12-03
19691969-02-091969-12-02
19701970-01-011970-12-12
19711971-03-151971-12-10
19721972-01-071972-12-26
19731973-02-041973-12-30
19741974-01-281974-10-24
19751975-03-201975-10-31
19761976-01-091976-11-02
19771977-01-151977-12-02
19781978-04-101978-11-19
19791979-01-171979-11-18
19801980-04-181980-11-06
19811981-01-101981-11-28
19821982-03-081982-09-27
19831983-03-031983-11-26
19841984-04-071984-11-01
19851985-03-161985-12-08
19861986-04-161986-12-07
19871987-01-251987-12-01
19881988-02-061988-12-26
19891989-05-071989-12-02
19901990-01-111990-12-10
19911991-04-141991-11-06
19921992-02-121992-12-20
19931993-01-241993-12-23
19941994-01-071994-11-07
19951995-01-151995-10-22
19961996-01-011996-12-06
19971997-01-151997-12-18
19981998-01-141998-11-11
19991999-03-181999-12-03
20002000-02-202000-12-22
20012001-03-172001-11-23
20022002-01-212002-12-31
20032003-01-012003-10-31
20042004-02-222004-12-09
20052005-01-202005-12-16
20062006-01-022006-12-22
20072007-01-072007-12-22
20082008-04-032008-12-13
20092009-03-042009-12-08
20102010-01-132010-12-19
20112011-02-122011-12-18
20122012-01-082012-10-09
20132013-02-282013-10-03
20142014-02-142014-12-11
20152015-01-092015-11-05
20162016-01-302016-12-28
20172017-01-142017-12-01
20182018-04-152018-11-22
20192019-05-082019-09-21
20202020-02-012020-10-30
20212021-01-262021-11-12
20222022-01-232022-11-21
20232023-01-292023-12-12
20242024-01-072024-11-27
20252025-05-272025-11-29
20262026-03-012026-08-25

Every Fixed Threshold

Fixed thresholds at Williamstown (Glen Gillian)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7539199221
25 mm (0.98 in): Days with 25 mm or more rain711020115
50 mm (1.97 in): Days with 50 mm or more rain22220161

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 Williamstown (Glen Gillian) 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).