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Built 2026-10-17 (17 October 2026)

Merriwa (Mar-Lea) Threshold Days by Year

4 fixed thresholds counted per year at Merriwa (Mar-Lea) (ASN00061316): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merriwa (Mar-Lea) Thresholds

  • Merriwa (Mar-Lea): days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 2020 with 37.
  • Merriwa (Mar-Lea): days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1998 with 10.
  • Merriwa (Mar-Lea): days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1976 with 3.
  • Merriwa (Mar-Lea): days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1977 with 1.
  • 4 fixed thresholds have at least one qualifying day at Merriwa (Mar-Lea).
45 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Merriwa (Mar-Lea) Days per year at Merriwa (Mar-Lea) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 2020. 0102030401973: 321974: 251975: 191976: 191977: 221978: 311979: 211980: 171981: 241982: 151983: 261984: 281985: 191986: 161987: 251988: 301989: 231990: 261991: 161992: 191993: 261994: 151995: 251996: 231997: 181998: 281999: 292000: 242001: 152002: 102003: 182004: 152005: 162006: 72007: 242008: 202009: 182013: 172018: 142019: 102020: 372022: 322023: 152024: 322025: 18197319781983198819931998200320082020
Days per year at Merriwa (Mar-Lea) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 2020.
Days with 10 mm (0.39 in) or more of precipitation per year at Merriwa (Mar-Lea)
YearDaysDecade average
19733224.1
19742524.1
19751924.1
19761924.1
19772224.1
19783124.1
19792124.1
19801722.3
19812422.3
19821522.3
19832622.3
19842822.3
19851922.3
19861622.3
19872522.3
19883022.3
19892322.3
19902622.5
19911622.5
19921922.5
19932622.5
19941522.5
19952522.5
19962322.5
19971822.5
19982822.5
19992922.5
20002416.7
20011516.7
20021016.7
20031816.7
20041516.7
20051616.7
2006716.7
20072416.7
20082016.7
20091816.7
20131713.7
20181413.7
20191013.7
20203726.8
20223226.8
20231526.8
20243226.8
20251826.8
First to last qualifying date each year at Merriwa (Mar-Lea) For each year, a bar from the first to the last day at Merriwa (Mar-Lea) meeting 10 mm (0.39 in). 1973: 9 January 1973 to 21 December 19731974: 2 January 1974 to 18 November 19741975: 3 January 1975 to 20 December 19751976: 13 January 1976 to 24 December 19761977: 24 January 1977 to 3 November 19771978: 2 January 1978 to 29 December 19781979: 26 January 1979 to 21 November 19791980: 4 January 1980 to 14 December 19801981: 7 January 1981 to 26 December 19811982: 16 January 1982 to 10 October 19821983: 3 January 1983 to 27 December 19831984: 15 January 1984 to 12 December 19841985: 25 March 1985 to 5 December 19851986: 16 January 1986 to 15 November 19861987: 2 January 1987 to 30 December 19871988: 4 January 1988 to 27 December 19881989: 2 January 1989 to 14 December 19891990: 8 January 1990 to 28 December 19901991: 6 January 1991 to 31 December 19911992: 10 January 1992 to 16 December 19921993: 12 January 1993 to 8 December 19931994: 15 January 1994 to 26 December 19941995: 2 January 1995 to 28 December 19951996: 2 January 1996 to 31 December 19961997: 26 January 1997 to 22 December 19971998: 2 January 1998 to 16 December 19981999: 9 January 1999 to 29 December 19992000: 5 January 2000 to 14 December 20002001: 28 January 2001 to 15 December 20012002: 1 January 2002 to 19 December 20022003: 2 January 2003 to 13 December 20032004: 11 January 2004 to 24 December 20042005: 17 January 2005 to 27 November 20052006: 16 February 2006 to 3 December 20062007: 12 January 2007 to 28 December 20072008: 18 January 2008 to 24 December 20082009: 22 January 2009 to 28 December 20092013: 13 January 2013 to 25 December 20132018: 19 February 2018 to 19 December 20182019: 9 January 2019 to 3 November 20192020: 16 January 2020 to 28 December 20202022: 7 January 2022 to 23 December 20222023: 21 January 2023 to 24 December 20232024: 5 January 2024 to 31 December 20242025: 7 January 2025 to 30 July 202519731979198519911997200320092023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Merriwa (Mar-Lea) meeting 10 mm (0.39 in).
First to last qualifying date each year at Merriwa (Mar-Lea)
YearFirst dateLast date
19731973-01-091973-12-21
19741974-01-021974-11-18
19751975-01-031975-12-20
19761976-01-131976-12-24
19771977-01-241977-11-03
19781978-01-021978-12-29
19791979-01-261979-11-21
19801980-01-041980-12-14
19811981-01-071981-12-26
19821982-01-161982-10-10
19831983-01-031983-12-27
19841984-01-151984-12-12
19851985-03-251985-12-05
19861986-01-161986-11-15
19871987-01-021987-12-30
19881988-01-041988-12-27
19891989-01-021989-12-14
19901990-01-081990-12-28
19911991-01-061991-12-31
19921992-01-101992-12-16
19931993-01-121993-12-08
19941994-01-151994-12-26
19951995-01-021995-12-28
19961996-01-021996-12-31
19971997-01-261997-12-22
19981998-01-021998-12-16
19991999-01-091999-12-29
20002000-01-052000-12-14
20012001-01-282001-12-15
20022002-01-012002-12-19
20032003-01-022003-12-13
20042004-01-112004-12-24
20052005-01-172005-11-27
20062006-02-162006-12-03
20072007-01-122007-12-28
20082008-01-182008-12-24
20092009-01-222009-12-28
20132013-01-132013-12-25
20182018-02-192018-12-19
20192019-01-092019-11-03
20202020-01-162020-12-28
20222022-01-072022-12-23
20232023-01-212023-12-24
20242024-01-052024-12-31
20252025-01-072025-07-30

Every Fixed Threshold

Fixed thresholds at Merriwa (Mar-Lea)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4537202018
25 mm (0.98 in): Days with 25 mm or more rain451019986
50 mm (1.97 in): Days with 50 mm or more rain29319761
100 mm (3.94 in): Days with 100 mm or more rain5119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Merriwa (Mar-Lea) 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).