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Built 2026-10-18 (18 October 2026)

Clontarf Threshold Days by Year

5 fixed thresholds counted per year at Clontarf (ASN00040965): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clontarf Thresholds

  • Clontarf: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2024 with 48.
  • Clontarf: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 2010 with 24.
  • Clontarf: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 2010 with 11.
  • Clontarf: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 1992 with 4.
  • 5 fixed thresholds have at least one qualifying day at Clontarf.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Clontarf Days per year at Clontarf with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 2024. 02040601987: 231988: 351989: 351990: 281991: 211992: 291993: 201994: 161995: 321996: 321997: 271998: 271999: 432000: 212001: 182002: 222003: 262004: 262006: 302007: 312008: 372009: 282010: 442011: 332012: 352013: 312014: 202015: 322016: 192017: 272018: 212019: 192020: 312021: 382022: 412023: 222024: 482025: 442026: 141987199119951999200320082012201620202024
Days per year at Clontarf with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 2024.
Days with 10 mm (0.39 in) or more of precipitation per year at Clontarf
YearDaysDecade average
19872331
19883531
19893531
19902827.5
19912127.5
19922927.5
19932027.5
19941627.5
19953227.5
19963227.5
19972727.5
19982727.5
19994327.5
20002126.6
20011826.6
20022226.6
20032626.6
20042626.6
20063026.6
20073126.6
20083726.6
20092826.6
20104428.1
20113328.1
20123528.1
20133128.1
20142028.1
20153228.1
20161928.1
20172728.1
20182128.1
20191928.1
20203134
20213834
20224134
20232234
20244834
20254434
20261434
First to last qualifying date each year at Clontarf For each year, a bar from the first to the last day at Clontarf meeting 10 mm (0.39 in). 1987: 5 January 1987 to 11 December 19871988: 1 January 1988 to 30 December 19881989: 24 January 1989 to 25 December 19891990: 16 January 1990 to 24 December 19901991: 7 January 1991 to 22 December 19911992: 1 January 1992 to 30 December 19921993: 6 January 1993 to 9 December 19931994: 11 January 1994 to 11 December 19941995: 3 January 1995 to 29 December 19951996: 4 January 1996 to 19 December 19961997: 26 January 1997 to 28 December 19971998: 29 January 1998 to 31 December 19981999: 2 January 1999 to 28 December 19992000: 15 January 2000 to 30 December 20002001: 18 January 2001 to 31 December 20012002: 1 January 2002 to 28 December 20022003: 3 January 2003 to 15 December 20032004: 15 January 2004 to 26 December 20042006: 4 January 2006 to 28 December 20062007: 3 January 2007 to 28 December 20072008: 2 January 2008 to 30 December 20082009: 23 January 2009 to 28 December 20092010: 4 January 2010 to 28 December 20102011: 2 January 2011 to 25 December 20112012: 16 January 2012 to 26 December 20122013: 21 January 2013 to 30 November 20132014: 7 January 2014 to 28 December 20142015: 6 January 2015 to 28 December 20152016: 5 January 2016 to 26 December 20162017: 3 January 2017 to 26 December 20172018: 3 January 2018 to 18 December 20182019: 7 January 2019 to 26 December 20192020: 12 January 2020 to 17 December 20202021: 1 January 2021 to 28 December 20212022: 2 January 2022 to 8 December 20222023: 5 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 2 January 2025 to 13 December 20252026: 26 January 2026 to 11 June 202619871992199720022008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clontarf meeting 10 mm (0.39 in).
First to last qualifying date each year at Clontarf
YearFirst dateLast date
19871987-01-051987-12-11
19881988-01-011988-12-30
19891989-01-241989-12-25
19901990-01-161990-12-24
19911991-01-071991-12-22
19921992-01-011992-12-30
19931993-01-061993-12-09
19941994-01-111994-12-11
19951995-01-031995-12-29
19961996-01-041996-12-19
19971997-01-261997-12-28
19981998-01-291998-12-31
19991999-01-021999-12-28
20002000-01-152000-12-30
20012001-01-182001-12-31
20022002-01-012002-12-28
20032003-01-032003-12-15
20042004-01-152004-12-26
20062006-01-042006-12-28
20072007-01-032007-12-28
20082008-01-022008-12-30
20092009-01-232009-12-28
20102010-01-042010-12-28
20112011-01-022011-12-25
20122012-01-162012-12-26
20132013-01-212013-11-30
20142014-01-072014-12-28
20152015-01-062015-12-28
20162016-01-052016-12-26
20172017-01-032017-12-26
20182018-01-032018-12-18
20192019-01-072019-12-26
20202020-01-122020-12-17
20212021-01-012021-12-28
20222022-01-022022-12-08
20232023-01-052023-12-31
20242024-01-012024-12-31
20252025-01-022025-12-13
20262026-01-262026-06-11

Every Fixed Threshold

Fixed thresholds at Clontarf
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3948202414
25 mm (0.98 in): Days with 25 mm or more rain392420105
50 mm (1.97 in): Days with 50 mm or more rain371120102
100 mm (3.94 in): Days with 100 mm or more rain21419921
200 mm (7.87 in): Days with 200 mm or more rain2320223

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Clontarf 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).