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Built 2026-10-18 (18 October 2026)

Willowdale Threshold Days by Year

4 fixed thresholds counted per year at Willowdale (ASN00009893): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willowdale Thresholds

  • Willowdale: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1996 with 56.
  • Willowdale: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1983 with 20.
  • Willowdale: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1983 with 5.
  • Willowdale: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1982 with 1.
  • 4 fixed thresholds have at least one qualifying day at Willowdale.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Willowdale Days per year at Willowdale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1996. 02040601982: 401983: 491984: 501985: 371986: 421987: 351988: 531989: 351990: 481991: 471992: 501993: 381994: 341995: 361996: 561997: 451998: 461999: 452000: 442001: 252002: 462003: 382004: 422005: 462006: 272007: 482008: 362009: 422010: 232011: 492012: 462019: 292024: 342025: 362026: 28198219861990199419982002200620102024
Days per year at Willowdale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1996.
Days with 10 mm (0.39 in) or more of precipitation per year at Willowdale
YearDaysDecade average
19824042.6
19834942.6
19845042.6
19853742.6
19864242.6
19873542.6
19885342.6
19893542.6
19904844.5
19914744.5
19925044.5
19933844.5
19943444.5
19953644.5
19965644.5
19974544.5
19984644.5
19994544.5
20004439.4
20012539.4
20024639.4
20033839.4
20044239.4
20054639.4
20062739.4
20074839.4
20083639.4
20094239.4
20102336.8
20114936.8
20124636.8
20192936.8
20243432.7
20253632.7
20262832.7
First to last qualifying date each year at Willowdale For each year, a bar from the first to the last day at Willowdale meeting 10 mm (0.39 in). 1982: 21 January 1982 to 25 October 19821983: 5 February 1983 to 31 December 19831984: 10 April 1984 to 27 December 19841985: 8 March 1985 to 8 November 19851986: 22 February 1986 to 30 November 19861987: 17 March 1987 to 24 December 19871988: 28 April 1988 to 12 November 19881989: 25 January 1989 to 17 October 19891990: 9 January 1990 to 19 November 19901991: 26 January 1991 to 24 December 19911992: 9 February 1992 to 22 September 19921993: 19 March 1993 to 19 November 19931994: 21 May 1994 to 26 November 19941995: 10 May 1995 to 21 December 19951996: 20 April 1996 to 12 December 19961997: 20 February 1997 to 22 November 19971998: 16 January 1998 to 14 November 19981999: 23 January 1999 to 16 October 19992000: 15 January 2000 to 27 November 20002001: 6 May 2001 to 1 December 20012002: 15 January 2002 to 1 November 20022003: 17 February 2003 to 25 November 20032004: 22 April 2004 to 27 November 20042005: 31 March 2005 to 11 December 20052006: 25 January 2006 to 29 November 20062007: 3 January 2007 to 18 December 20072008: 1 April 2008 to 21 December 20082009: 26 February 2009 to 19 November 20092010: 23 March 2010 to 21 October 20102011: 6 January 2011 to 13 December 20112012: 3 April 2012 to 12 December 20122019: 24 January 2019 to 2 November 20192024: 17 January 2024 to 20 November 20242025: 3 May 2025 to 23 November 20252026: 28 March 2026 to 27 August 20261982198719921997200220072012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Willowdale meeting 10 mm (0.39 in).
First to last qualifying date each year at Willowdale
YearFirst dateLast date
19821982-01-211982-10-25
19831983-02-051983-12-31
19841984-04-101984-12-27
19851985-03-081985-11-08
19861986-02-221986-11-30
19871987-03-171987-12-24
19881988-04-281988-11-12
19891989-01-251989-10-17
19901990-01-091990-11-19
19911991-01-261991-12-24
19921992-02-091992-09-22
19931993-03-191993-11-19
19941994-05-211994-11-26
19951995-05-101995-12-21
19961996-04-201996-12-12
19971997-02-201997-11-22
19981998-01-161998-11-14
19991999-01-231999-10-16
20002000-01-152000-11-27
20012001-05-062001-12-01
20022002-01-152002-11-01
20032003-02-172003-11-25
20042004-04-222004-11-27
20052005-03-312005-12-11
20062006-01-252006-11-29
20072007-01-032007-12-18
20082008-04-012008-12-21
20092009-02-262009-11-19
20102010-03-232010-10-21
20112011-01-062011-12-13
20122012-04-032012-12-12
20192019-01-242019-11-02
20242024-01-172024-11-20
20252025-05-032025-11-23
20262026-03-282026-08-27

Every Fixed Threshold

Fixed thresholds at Willowdale
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3556199628
25 mm (0.98 in): Days with 25 mm or more rain352019838
50 mm (1.97 in): Days with 50 mm or more rain25519832
100 mm (3.94 in): Days with 100 mm or more rain2119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1982.

Download the Data

  • Data for Willowdale 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).