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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Rathdowney Threshold Days by Year

4 fixed thresholds counted per year at Rathdowney (ASN00040619): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rathdowney Thresholds

  • Rathdowney: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1967 with 38.
  • Rathdowney: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1933 with 16.
  • Rathdowney: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1934 with 5.
  • Rathdowney: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1921 with 1.
  • 4 fixed thresholds have at least one qualifying day at Rathdowney.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rathdowney Days per year at Rathdowney with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1967. 0102030401920: 231921: 281922: 221923: 181924: 331925: 301926: 201927: 331930: 281931: 311932: 211933: 361934: 301935: 291961: 341963: 261964: 291965: 211966: 241967: 381968: 221969: 311970: 381971: 341973: 35192019231926193119341963196619691973
Days per year at Rathdowney with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1967.
Days with 10 mm (0.39 in) or more of precipitation per year at Rathdowney
YearDaysDecade average
19202325.9
19212825.9
19222225.9
19231825.9
19243325.9
19253025.9
19262025.9
19273325.9
19302829.2
19313129.2
19322129.2
19333629.2
19343029.2
19352929.2
19613428.1
19632628.1
19642928.1
19652128.1
19662428.1
19673828.1
19682228.1
19693128.1
19703835.7
19713435.7
19733535.7
First to last qualifying date each year at Rathdowney For each year, a bar from the first to the last day at Rathdowney meeting 10 mm (0.39 in). 1920: 2 January 1920 to 30 December 19201921: 6 January 1921 to 31 December 19211922: 1 January 1922 to 28 December 19221923: 4 January 1923 to 25 December 19231924: 7 January 1924 to 30 December 19241925: 5 January 1925 to 24 December 19251926: 8 January 1926 to 31 December 19261927: 3 January 1927 to 26 December 19271930: 11 January 1930 to 29 December 19301931: 9 January 1931 to 11 December 19311932: 4 January 1932 to 22 December 19321933: 5 January 1933 to 21 December 19331934: 2 January 1934 to 28 December 19341935: 6 January 1935 to 28 December 19351961: 4 January 1961 to 29 December 19611963: 1 January 1963 to 31 December 19631964: 1 January 1964 to 27 December 19641965: 24 January 1965 to 16 December 19651966: 5 February 1966 to 29 December 19661967: 2 January 1967 to 4 December 19671968: 10 January 1968 to 5 December 19681969: 1 January 1969 to 24 December 19691970: 2 January 1970 to 30 December 19701971: 18 January 1971 to 28 December 19711973: 10 January 1973 to 21 December 19731920192419301934196419681973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rathdowney meeting 10 mm (0.39 in).
First to last qualifying date each year at Rathdowney
YearFirst dateLast date
19201920-01-021920-12-30
19211921-01-061921-12-31
19221922-01-011922-12-28
19231923-01-041923-12-25
19241924-01-071924-12-30
19251925-01-051925-12-24
19261926-01-081926-12-31
19271927-01-031927-12-26
19301930-01-111930-12-29
19311931-01-091931-12-11
19321932-01-041932-12-22
19331933-01-051933-12-21
19341934-01-021934-12-28
19351935-01-061935-12-28
19611961-01-041961-12-29
19631963-01-011963-12-31
19641964-01-011964-12-27
19651965-01-241965-12-16
19661966-02-051966-12-29
19671967-01-021967-12-04
19681968-01-101968-12-05
19691969-01-011969-12-24
19701970-01-021970-12-30
19711971-01-181971-12-28
19731973-01-101973-12-21

Every Fixed Threshold

Fixed thresholds at Rathdowney
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2538196735
25 mm (0.98 in): Days with 25 mm or more rain2516193310
50 mm (1.97 in): Days with 50 mm or more rain22519343
100 mm (3.94 in): Days with 100 mm or more rain6119211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Rathdowney 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).