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Built 2026-10-18 (18 October 2026)

Merriwagga (Sylvanham) Threshold Days by Year

4 fixed thresholds counted per year at Merriwagga (Sylvanham) (ASN00075142): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merriwagga (Sylvanham) Thresholds

  • Merriwagga (Sylvanham): days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 2022 with 25.
  • Merriwagga (Sylvanham): days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1973 with 7.
  • Merriwagga (Sylvanham): days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1974 with 2.
  • Merriwagga (Sylvanham): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2003 with 1.
  • 4 fixed thresholds have at least one qualifying day at Merriwagga (Sylvanham).
58 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Merriwagga (Sylvanham) Days per year at Merriwagga (Sylvanham) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2022. 01020301969: 151970: 131971: 121972: 41973: 191974: 201975: 71976: 81977: 81978: 171979: 111980: 91981: 101982: 81983: 161984: 121985: 131986: 111987: 71988: 181989: 111990: 111991: 71992: 171993: 151994: 51995: 91996: 91997: 111998: 111999: 182000: 142001: 92002: 42003: 122004: 62005: 92006: 62007: 52008: 112009: 62010: 182011: 112012: 122013: 82014: 102015: 92016: 202017: 72018: 72019: 62020: 172021: 142022: 252023: 142024: 112025: 82026: 41969197519811987199319992005201120172023
Days per year at Merriwagga (Sylvanham) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2022.
Days with 10 mm (0.39 in) or more of precipitation per year at Merriwagga (Sylvanham)
YearDaysDecade average
19691515
19701311.9
19711211.9
1972411.9
19731911.9
19742011.9
1975711.9
1976811.9
1977811.9
19781711.9
19791111.9
1980911.5
19811011.5
1982811.5
19831611.5
19841211.5
19851311.5
19861111.5
1987711.5
19881811.5
19891111.5
19901111.3
1991711.3
19921711.3
19931511.3
1994511.3
1995911.3
1996911.3
19971111.3
19981111.3
19991811.3
2000148.2
200198.2
200248.2
2003128.2
200468.2
200598.2
200668.2
200758.2
2008118.2
200968.2
20101810.8
20111110.8
20121210.8
2013810.8
20141010.8
2015910.8
20162010.8
2017710.8
2018710.8
2019610.8
20201713.3
20211413.3
20222513.3
20231413.3
20241113.3
2025813.3
2026413.3
First to last qualifying date each year at Merriwagga (Sylvanham) For each year, a bar from the first to the last day at Merriwagga (Sylvanham) meeting 10 mm (0.39 in). 1969: 8 February 1969 to 14 November 19691970: 17 January 1970 to 11 November 19701971: 1 February 1971 to 8 November 19711972: 13 January 1972 to 17 October 19721973: 13 January 1973 to 30 December 19731974: 4 January 1974 to 25 October 19741975: 13 July 1975 to 29 December 19751976: 12 January 1976 to 12 November 19761977: 19 February 1977 to 30 November 19771978: 5 January 1978 to 26 December 19781979: 17 January 1979 to 6 October 19791980: 4 January 1980 to 24 August 19801981: 22 February 1981 to 24 September 19811982: 13 January 1982 to 27 September 19821983: 24 February 1983 to 31 December 19831984: 1 January 1984 to 3 October 19841985: 18 March 1985 to 11 December 19851986: 16 January 1986 to 19 November 19861987: 21 February 1987 to 28 December 19871988: 2 January 1988 to 26 December 19881989: 5 January 1989 to 7 November 19891990: 12 February 1990 to 4 December 19901991: 24 January 1991 to 13 December 19911992: 5 February 1992 to 25 December 19921993: 3 January 1993 to 22 December 19931994: 14 February 1994 to 8 December 19941995: 17 January 1995 to 6 November 19951996: 1 January 1996 to 4 November 19961997: 28 January 1997 to 13 December 19971998: 10 January 1998 to 14 December 19981999: 2 March 1999 to 28 December 19992000: 27 January 2000 to 14 November 20002001: 25 January 2001 to 6 November 20012002: 4 February 2002 to 17 September 20022003: 21 February 2003 to 4 December 20032004: 25 May 2004 to 11 December 20042005: 3 February 2005 to 3 December 20052006: 27 February 2006 to 13 November 20062007: 29 March 2007 to 27 November 20072008: 19 January 2008 to 12 December 20082009: 12 March 2009 to 25 December 20092010: 5 February 2010 to 28 November 20102011: 2 February 2011 to 26 December 20112012: 30 January 2012 to 16 December 20122013: 22 February 2013 to 17 September 20132014: 15 February 2014 to 4 December 20142015: 12 January 2015 to 21 December 20152016: 23 January 2016 to 30 December 20162017: 4 March 2017 to 3 December 20172018: 25 February 2018 to 14 December 20182019: 28 April 2019 to 4 November 20192020: 20 January 2020 to 23 November 20202021: 2 January 2021 to 26 November 20212022: 7 January 2022 to 30 December 20222023: 22 January 2023 to 20 December 20232024: 8 January 2024 to 26 September 20242025: 12 February 2025 to 14 December 20252026: 27 March 2026 to 10 August 202619691977198519932001200920172025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Merriwagga (Sylvanham) meeting 10 mm (0.39 in).
First to last qualifying date each year at Merriwagga (Sylvanham)
YearFirst dateLast date
19691969-02-081969-11-14
19701970-01-171970-11-11
19711971-02-011971-11-08
19721972-01-131972-10-17
19731973-01-131973-12-30
19741974-01-041974-10-25
19751975-07-131975-12-29
19761976-01-121976-11-12
19771977-02-191977-11-30
19781978-01-051978-12-26
19791979-01-171979-10-06
19801980-01-041980-08-24
19811981-02-221981-09-24
19821982-01-131982-09-27
19831983-02-241983-12-31
19841984-01-011984-10-03
19851985-03-181985-12-11
19861986-01-161986-11-19
19871987-02-211987-12-28
19881988-01-021988-12-26
19891989-01-051989-11-07
19901990-02-121990-12-04
19911991-01-241991-12-13
19921992-02-051992-12-25
19931993-01-031993-12-22
19941994-02-141994-12-08
19951995-01-171995-11-06
19961996-01-011996-11-04
19971997-01-281997-12-13
19981998-01-101998-12-14
19991999-03-021999-12-28
20002000-01-272000-11-14
20012001-01-252001-11-06
20022002-02-042002-09-17
20032003-02-212003-12-04
20042004-05-252004-12-11
20052005-02-032005-12-03
20062006-02-272006-11-13
20072007-03-292007-11-27
20082008-01-192008-12-12
20092009-03-122009-12-25
20102010-02-052010-11-28
20112011-02-022011-12-26
20122012-01-302012-12-16
20132013-02-222013-09-17
20142014-02-152014-12-04
20152015-01-122015-12-21
20162016-01-232016-12-30
20172017-03-042017-12-03
20182018-02-252018-12-14
20192019-04-282019-11-04
20202020-01-202020-11-23
20212021-01-022021-11-26
20222022-01-072022-12-30
20232023-01-222023-12-20
20242024-01-082024-09-26
20252025-02-122025-12-14
20262026-03-272026-08-10

Every Fixed Threshold

Fixed thresholds at Merriwagga (Sylvanham)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain582520224
25 mm (0.98 in): Days with 25 mm or more rain52719734
50 mm (1.97 in): Days with 50 mm or more rain19219741
100 mm (3.94 in): Days with 100 mm or more rain1120031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Merriwagga (Sylvanham) 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 (2026-10-12).