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Built 2026-10-18 (18 October 2026)

Erinair Threshold Days by Year

4 fixed thresholds counted per year at Erinair (ASN00009772): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Erinair Thresholds

  • Erinair: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1971 with 28.
  • Erinair: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 2013 with 8.
  • Erinair: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1985 with 2.
  • Erinair: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 2007 with 1.
  • 4 fixed thresholds have at least one qualifying day at Erinair.
59 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Erinair Days per year at Erinair with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1971. 01020301968: 201969: 111970: 151971: 281972: 131973: 171974: 161975: 191976: 171977: 161978: 231979: 181980: 141981: 91982: 111983: 171984: 201985: 151986: 211987: 151988: 191989: 161990: 171991: 121992: 221993: 141994: 81995: 211996: 121997: 201998: 111999: 212000: 162001: 192002: 82003: 202004: 172005: 162006: 182007: 152008: 152009: 72010: 142011: 222012: 162013: 242014: 92015: 152016: 182017: 182018: 152019: 92020: 112021: 192022: 182023: 102024: 82025: 152026: 91968197419801986199219982004201020162022
Days per year at Erinair with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1971.
Days with 10 mm (0.39 in) or more of precipitation per year at Erinair
YearDaysDecade average
19682015.5
19691115.5
19701518.2
19712818.2
19721318.2
19731718.2
19741618.2
19751918.2
19761718.2
19771618.2
19782318.2
19791818.2
19801415.7
1981915.7
19821115.7
19831715.7
19842015.7
19851515.7
19862115.7
19871515.7
19881915.7
19891615.7
19901715.8
19911215.8
19922215.8
19931415.8
1994815.8
19952115.8
19961215.8
19972015.8
19981115.8
19992115.8
20001615.1
20011915.1
2002815.1
20032015.1
20041715.1
20051615.1
20061815.1
20071515.1
20081515.1
2009715.1
20101416
20112216
20121616
20132416
2014916
20151516
20161816
20171816
20181516
2019916
20201112.9
20211912.9
20221812.9
20231012.9
2024812.9
20251512.9
2026912.9
First to last qualifying date each year at Erinair For each year, a bar from the first to the last day at Erinair meeting 10 mm (0.39 in). 1968: 28 January 1968 to 17 November 19681969: 20 February 1969 to 9 December 19691970: 16 February 1970 to 4 November 19701971: 27 March 1971 to 23 November 19711972: 6 January 1972 to 6 October 19721973: 5 February 1973 to 30 November 19731974: 12 January 1974 to 17 November 19741975: 2 April 1975 to 10 December 19751976: 24 February 1976 to 7 November 19761977: 22 February 1977 to 30 October 19771978: 15 February 1978 to 1 December 19781979: 19 February 1979 to 13 November 19791980: 15 January 1980 to 30 December 19801981: 12 January 1981 to 6 November 19811982: 20 January 1982 to 3 October 19821983: 21 January 1983 to 31 December 19831984: 21 April 1984 to 17 November 19841985: 8 March 1985 to 28 November 19851986: 21 February 1986 to 17 October 19861987: 27 March 1987 to 7 December 19871988: 14 January 1988 to 21 October 19881989: 24 April 1989 to 10 November 19891990: 29 January 1990 to 19 October 19901991: 23 March 1991 to 26 December 19911992: 4 February 1992 to 20 November 19921993: 2 February 1993 to 10 November 19931994: 24 May 1994 to 15 October 19941995: 9 January 1995 to 27 December 19951996: 15 March 1996 to 22 September 19961997: 20 February 1997 to 13 November 19971998: 10 April 1998 to 11 December 19981999: 1 January 1999 to 1 December 19992000: 11 January 2000 to 9 August 20002001: 22 January 2001 to 5 December 20012002: 18 April 2002 to 28 December 20022003: 12 February 2003 to 25 November 20032004: 5 January 2004 to 3 November 20042005: 1 April 2005 to 7 October 20052006: 3 January 2006 to 29 November 20062007: 4 January 2007 to 17 December 20072008: 21 April 2008 to 11 December 20082009: 28 January 2009 to 13 October 20092010: 10 February 2010 to 11 November 20102011: 23 January 2011 to 14 December 20112012: 6 January 2012 to 25 November 20122013: 2 March 2013 to 7 December 20132014: 29 May 2014 to 14 November 20142015: 16 March 2015 to 7 December 20152016: 19 January 2016 to 13 December 20162017: 30 January 2017 to 12 December 20172018: 17 February 2018 to 24 November 20182019: 18 May 2019 to 27 December 20192020: 16 February 2020 to 28 November 20202021: 18 February 2021 to 18 November 20212022: 12 February 2022 to 19 November 20222023: 15 April 2023 to 21 August 20232024: 3 May 2024 to 19 August 20242025: 21 February 2025 to 29 September 20252026: 11 February 2026 to 26 September 202619681976198419922000200820162024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Erinair meeting 10 mm (0.39 in).
First to last qualifying date each year at Erinair
YearFirst dateLast date
19681968-01-281968-11-17
19691969-02-201969-12-09
19701970-02-161970-11-04
19711971-03-271971-11-23
19721972-01-061972-10-06
19731973-02-051973-11-30
19741974-01-121974-11-17
19751975-04-021975-12-10
19761976-02-241976-11-07
19771977-02-221977-10-30
19781978-02-151978-12-01
19791979-02-191979-11-13
19801980-01-151980-12-30
19811981-01-121981-11-06
19821982-01-201982-10-03
19831983-01-211983-12-31
19841984-04-211984-11-17
19851985-03-081985-11-28
19861986-02-211986-10-17
19871987-03-271987-12-07
19881988-01-141988-10-21
19891989-04-241989-11-10
19901990-01-291990-10-19
19911991-03-231991-12-26
19921992-02-041992-11-20
19931993-02-021993-11-10
19941994-05-241994-10-15
19951995-01-091995-12-27
19961996-03-151996-09-22
19971997-02-201997-11-13
19981998-04-101998-12-11
19991999-01-011999-12-01
20002000-01-112000-08-09
20012001-01-222001-12-05
20022002-04-182002-12-28
20032003-02-122003-11-25
20042004-01-052004-11-03
20052005-04-012005-10-07
20062006-01-032006-11-29
20072007-01-042007-12-17
20082008-04-212008-12-11
20092009-01-282009-10-13
20102010-02-102010-11-11
20112011-01-232011-12-14
20122012-01-062012-11-25
20132013-03-022013-12-07
20142014-05-292014-11-14
20152015-03-162015-12-07
20162016-01-192016-12-13
20172017-01-302017-12-12
20182018-02-172018-11-24
20192019-05-182019-12-27
20202020-02-162020-11-28
20212021-02-182021-11-18
20222022-02-122022-11-19
20232023-04-152023-08-21
20242024-05-032024-08-19
20252025-02-212025-09-29
20262026-02-112026-09-26

Every Fixed Threshold

Fixed thresholds at Erinair
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain592819719
25 mm (0.98 in): Days with 25 mm or more rain55820132
50 mm (1.97 in): Days with 50 mm or more rain13219851
100 mm (3.94 in): Days with 100 mm or more rain2120071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Erinair 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 (2026-10-12).