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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Rosslare Threshold Days by Year (EIM00003957)

4 fixed thresholds counted per year at Rosslare (EIM00003957): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosslare Thresholds

  • Rosslare: days with 10 mm (0.39 in) or more of precipitation in 8 years, most in 1980 with 30.
  • Rosslare: days with 25 mm (0.98 in) or more of precipitation in 8 years, most in 1974 with 4.
  • 4 fixed thresholds have at least one qualifying day at Rosslare.
8 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rosslare Days per year at Rosslare with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1980. 01020301973: 181974: 241975: 131976: 181977: 251979: 241980: 301981: 2419731974197519761977197919801981
Days per year at Rosslare with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Rosslare
YearDaysDecade average
19731820.3
19742420.3
19751320.3
19761820.3
19772520.3
19792420.3
19803027
19812427
First to last qualifying date each year at Rosslare For each year, a bar from the first to the last day at Rosslare meeting 10 mm (0.39 in). 1973: 19 January 1973 to 28 December 19731974: 4 January 1974 to 23 November 19741975: 16 January 1975 to 1 December 19751976: 9 January 1976 to 30 December 19761977: 25 January 1977 to 23 December 19771979: 9 February 1979 to 14 December 19791980: 3 January 1980 to 19 December 19801981: 8 February 1981 to 29 December 198119731974197519761977197919801981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rosslare meeting 10 mm (0.39 in).
First to last qualifying date each year at Rosslare
YearFirst dateLast date
19731973-01-191973-12-28
19741974-01-041974-11-23
19751975-01-161975-12-01
19761976-01-091976-12-30
19771977-01-251977-12-23
19791979-02-091979-12-14
19801980-01-031980-12-19
19811981-02-081981-12-29

Every Fixed Threshold

Fixed thresholds at Rosslare
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain830198024
25 mm (0.98 in): Days with 25 mm or more rain8419743
50 mm (1.97 in): Days with 50 mm or more rain10n/a2
100 mm (3.94 in): Days with 100 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Rosslare 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).