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

Merivale Farm Threshold Days by Year (ASN00009954)

4 fixed thresholds counted per year at Merivale Farm (ASN00009954): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merivale Farm Thresholds

  • Merivale Farm: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1992 with 31.
  • Merivale Farm: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1999 with 8.
  • Merivale Farm: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 2013 with 2.
  • Merivale Farm: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1999 with 1.
  • 4 fixed thresholds have at least one qualifying day at Merivale Farm.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Merivale Farm Days per year at Merivale Farm with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1992. 0102030401984: 251985: 181986: 231987: 191988: 141989: 181990: 171991: 121992: 311993: 161994: 121998: 111999: 252000: 202001: 192002: 102003: 262004: 152005: 232006: 102007: 202008: 152009: 172010: 132011: 182012: 212013: 212014: 181984198719901993199920022005200820112014
Days per year at Merivale Farm with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Merivale Farm
YearDaysDecade average
19842519.5
19851819.5
19862319.5
19871919.5
19881419.5
19891819.5
19901717.7
19911217.7
19923117.7
19931617.7
19941217.7
19981117.7
19992517.7
20002017.5
20011917.5
20021017.5
20032617.5
20041517.5
20052317.5
20061017.5
20072017.5
20081517.5
20091717.5
20101318.2
20111818.2
20122118.2
20132118.2
20141818.2
First to last qualifying date each year at Merivale Farm For each year, a bar from the first to the last day at Merivale Farm meeting 10 mm (0.39 in). 1984: 1 January 1984 to 28 December 19841985: 9 March 1985 to 6 December 19851986: 22 February 1986 to 30 November 19861987: 22 January 1987 to 30 November 19871988: 1 May 1988 to 30 December 19881989: 24 April 1989 to 13 October 19891990: 13 February 1990 to 30 October 19901991: 24 May 1991 to 26 December 19911992: 4 February 1992 to 21 November 19921993: 18 March 1993 to 10 November 19931994: 30 March 1994 to 16 December 19941998: 10 April 1998 to 18 October 19981999: 5 January 1999 to 1 December 19992000: 15 January 2000 to 1 September 20002001: 21 January 2001 to 1 December 20012002: 18 April 2002 to 2 November 20022003: 17 February 2003 to 25 November 20032004: 5 January 2004 to 7 September 20042005: 3 January 2005 to 12 December 20052006: 3 January 2006 to 17 November 20062007: 4 January 2007 to 17 December 20072008: 21 April 2008 to 11 December 20082009: 19 January 2009 to 22 September 20092010: 4 April 2010 to 11 November 20102011: 9 February 2011 to 14 December 20112012: 1 January 2012 to 28 November 20122013: 3 January 2013 to 6 December 20132014: 8 May 2014 to 14 November 20141984198819921999200320072011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Merivale Farm meeting 10 mm (0.39 in).
First to last qualifying date each year at Merivale Farm
YearFirst dateLast date
19841984-01-011984-12-28
19851985-03-091985-12-06
19861986-02-221986-11-30
19871987-01-221987-11-30
19881988-05-011988-12-30
19891989-04-241989-10-13
19901990-02-131990-10-30
19911991-05-241991-12-26
19921992-02-041992-11-21
19931993-03-181993-11-10
19941994-03-301994-12-16
19981998-04-101998-10-18
19991999-01-051999-12-01
20002000-01-152000-09-01
20012001-01-212001-12-01
20022002-04-182002-11-02
20032003-02-172003-11-25
20042004-01-052004-09-07
20052005-01-032005-12-12
20062006-01-032006-11-17
20072007-01-042007-12-17
20082008-04-212008-12-11
20092009-01-192009-09-22
20102010-04-042010-11-11
20112011-02-092011-12-14
20122012-01-012012-11-28
20132013-01-032013-12-06
20142014-05-082014-11-14

Every Fixed Threshold

Fixed thresholds at Merivale Farm
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2831199218
25 mm (0.98 in): Days with 25 mm or more rain28819994
50 mm (1.97 in): Days with 50 mm or more rain9220132
100 mm (3.94 in): Days with 100 mm or more rain3119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

  • Data for Merivale Farm 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).