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Built 2026-10-15 (15 October 2026)

Fermoy Threshold Days by Year

4 fixed thresholds counted per year at Fermoy (ASN00037021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fermoy Thresholds

  • Fermoy: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1950 with 22.
  • Fermoy: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1924 with 10.
  • Fermoy: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1924 with 5.
  • Fermoy: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1918 with 2.
  • 4 fixed thresholds have at least one qualifying day at Fermoy.
54 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Fermoy Days per year at Fermoy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1950. 01020301916: 191917: 171918: 151919: 91920: 191921: 171922: 91923: 41924: 181925: 101926: 41927: 41928: 81929: 51930: 171931: 91933: 91936: 101937: 91938: 111939: 161940: 101941: 201942: 61943: 61944: 101945: 51950: 221951: 101955: 201966: 71967: 91968: 101969: 71971: 121972: 71973: 181975: 181976: 141977: 191978: 101979: 71980: 71983: 91984: 141985: 121986: 81987: 131988: 61989: 181990: 101991: 151992: 91993: 10191619221928193719431966197319801988
Days per year at Fermoy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Fermoy
YearDaysDecade average
19161915
19171715
19181515
1919915
1920199.8
1921179.8
192299.8
192349.8
1924189.8
1925109.8
192649.8
192749.8
192889.8
192959.8
19301711.6
1931911.6
1933911.6
19361011.6
1937911.6
19381111.6
19391611.6
1940109.5
1941209.5
194269.5
194369.5
1944109.5
194559.5
19502217.3
19511017.3
19552017.3
196678.3
196798.3
1968108.3
196978.3
19711213.1
1972713.1
19731813.1
19751813.1
19761413.1
19771913.1
19781013.1
1979713.1
1980710.9
1983910.9
19841410.9
19851210.9
1986810.9
19871310.9
1988610.9
19891810.9
19901011
19911511
1992911
19931011
First to last qualifying date each year at Fermoy For each year, a bar from the first to the last day at Fermoy meeting 10 mm (0.39 in). 1916: 25 January 1916 to 31 December 19161917: 1 January 1917 to 12 December 19171918: 2 January 1918 to 22 April 19181919: 13 January 1919 to 4 December 19191920: 19 January 1920 to 7 December 19201921: 5 January 1921 to 31 December 19211922: 31 January 1922 to 21 December 19221923: 6 May 1923 to 27 December 19231924: 7 January 1924 to 15 December 19241925: 3 January 1925 to 11 November 19251926: 16 March 1926 to 26 September 19261927: 20 January 1927 to 13 December 19271928: 1 March 1928 to 17 December 19281929: 6 January 1929 to 2 April 19291930: 16 January 1930 to 5 December 19301931: 15 January 1931 to 4 December 19311933: 13 February 1933 to 28 November 19331936: 5 January 1936 to 4 September 19361937: 1 January 1937 to 17 November 19371938: 24 January 1938 to 15 November 19381939: 14 February 1939 to 21 December 19391940: 3 February 1940 to 29 February 19401941: 3 January 1941 to 1 December 19411942: 25 May 1942 to 29 December 19421943: 23 January 1943 to 13 December 19431944: 22 January 1944 to 19 December 19441945: 26 January 1945 to 10 July 19451950: 18 January 1950 to 25 December 19501951: 6 January 1951 to 13 June 19511955: 21 January 1955 to 22 October 19551966: 7 January 1966 to 8 October 19661967: 6 March 1967 to 6 December 19671968: 14 January 1968 to 21 May 19681969: 5 February 1969 to 23 December 19691971: 8 February 1971 to 24 December 19711972: 4 January 1972 to 8 December 19721973: 25 January 1973 to 7 December 19731975: 2 January 1975 to 30 December 19751976: 14 January 1976 to 22 December 19761977: 14 January 1977 to 19 December 19771978: 25 January 1978 to 13 December 19781979: 1 February 1979 to 28 December 19791980: 7 January 1980 to 25 August 19801983: 19 March 1983 to 27 November 19831984: 8 January 1984 to 20 December 19841985: 5 February 1985 to 8 December 19851986: 17 January 1986 to 7 December 19861987: 28 January 1987 to 29 December 19871988: 3 April 1988 to 24 December 19881989: 25 January 1989 to 14 December 19891990: 21 February 1990 to 8 December 19901991: 15 January 1991 to 12 December 19911992: 4 February 1992 to 3 September 19921993: 5 January 1993 to 10 December 199319161923193019401951197219801989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fermoy meeting 10 mm (0.39 in).
First to last qualifying date each year at Fermoy
YearFirst dateLast date
19161916-01-251916-12-31
19171917-01-011917-12-12
19181918-01-021918-04-22
19191919-01-131919-12-04
19201920-01-191920-12-07
19211921-01-051921-12-31
19221922-01-311922-12-21
19231923-05-061923-12-27
19241924-01-071924-12-15
19251925-01-031925-11-11
19261926-03-161926-09-26
19271927-01-201927-12-13
19281928-03-011928-12-17
19291929-01-061929-04-02
19301930-01-161930-12-05
19311931-01-151931-12-04
19331933-02-131933-11-28
19361936-01-051936-09-04
19371937-01-011937-11-17
19381938-01-241938-11-15
19391939-02-141939-12-21
19401940-02-031940-02-29
19411941-01-031941-12-01
19421942-05-251942-12-29
19431943-01-231943-12-13
19441944-01-221944-12-19
19451945-01-261945-07-10
19501950-01-181950-12-25
19511951-01-061951-06-13
19551955-01-211955-10-22
19661966-01-071966-10-08
19671967-03-061967-12-06
19681968-01-141968-05-21
19691969-02-051969-12-23
19711971-02-081971-12-24
19721972-01-041972-12-08
19731973-01-251973-12-07
19751975-01-021975-12-30
19761976-01-141976-12-22
19771977-01-141977-12-19
19781978-01-251978-12-13
19791979-02-011979-12-28
19801980-01-071980-08-25
19831983-03-191983-11-27
19841984-01-081984-12-20
19851985-02-051985-12-08
19861986-01-171986-12-07
19871987-01-281987-12-29
19881988-04-031988-12-24
19891989-01-251989-12-14
19901990-02-211990-12-08
19911991-01-151991-12-12
19921992-02-041992-09-03
19931993-01-051993-12-10

Every Fixed Threshold

Fixed thresholds at Fermoy
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5422195010
25 mm (0.98 in): Days with 25 mm or more rain531019241
50 mm (1.97 in): Days with 50 mm or more rain38519241
100 mm (3.94 in): Days with 100 mm or more rain16219181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Fermoy 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).