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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Lanyon House Threshold Days by Year

4 fixed thresholds counted per year at Lanyon House (ASN00070331): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lanyon House Thresholds

  • Lanyon House: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1992 with 25.
  • Lanyon House: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1996 with 9.
  • Lanyon House: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1991 with 2.
  • Lanyon House: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1995 with 1.
  • 4 fixed thresholds have at least one qualifying day at Lanyon House.
20 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lanyon House Days per year at Lanyon House with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1992. 01020301990: 201991: 201992: 251993: 181994: 131995: 221996: 241997: 141998: 221999: 172000: 152001: 172002: 122003: 132004: 152005: 182006: 82007: 202008: 152009: 171990199219941996199820002002200420062008
Days per year at Lanyon House with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1992.
Days with 10 mm (0.39 in) or more of precipitation per year at Lanyon House
YearDaysDecade average
19902019.5
19912019.5
19922519.5
19931819.5
19941319.5
19952219.5
19962419.5
19971419.5
19982219.5
19991719.5
20001515
20011715
20021215
20031315
20041515
20051815
2006815
20072015
20081515
20091715
First to last qualifying date each year at Lanyon House For each year, a bar from the first to the last day at Lanyon House meeting 10 mm (0.39 in). 1990: 9 January 1990 to 3 November 19901991: 6 January 1991 to 14 December 19911992: 1 January 1992 to 23 December 19921993: 23 January 1993 to 14 November 19931994: 6 February 1994 to 9 December 19941995: 6 January 1995 to 6 December 19951996: 1 January 1996 to 31 December 19961997: 7 January 1997 to 8 October 19971998: 25 January 1998 to 14 December 19981999: 9 January 1999 to 29 December 19992000: 27 January 2000 to 21 November 20002001: 27 January 2001 to 7 November 20012002: 22 January 2002 to 27 November 20022003: 22 February 2003 to 21 December 20032004: 22 January 2004 to 14 December 20042005: 21 January 2005 to 3 December 20052006: 17 January 2006 to 26 August 20062007: 1 January 2007 to 22 December 20072008: 5 February 2008 to 28 December 20082009: 21 January 2009 to 28 December 20091990199319961999200220052008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lanyon House meeting 10 mm (0.39 in).
First to last qualifying date each year at Lanyon House
YearFirst dateLast date
19901990-01-091990-11-03
19911991-01-061991-12-14
19921992-01-011992-12-23
19931993-01-231993-11-14
19941994-02-061994-12-09
19951995-01-061995-12-06
19961996-01-011996-12-31
19971997-01-071997-10-08
19981998-01-251998-12-14
19991999-01-091999-12-29
20002000-01-272000-11-21
20012001-01-272001-11-07
20022002-01-222002-11-27
20032003-02-222003-12-21
20042004-01-222004-12-14
20052005-01-212005-12-03
20062006-01-172006-08-26
20072007-01-012007-12-22
20082008-02-052008-12-28
20092009-01-212009-12-28

Every Fixed Threshold

Fixed thresholds at Lanyon House
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2025199217
25 mm (0.98 in): Days with 25 mm or more rain20919963
50 mm (1.97 in): Days with 50 mm or more rain12219911
100 mm (3.94 in): Days with 100 mm or more rain1119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Lanyon House 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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