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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Blessington Upper Threshold Days by Year

4 fixed thresholds counted per year at Blessington Upper (ASN00092004): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blessington Upper Thresholds

  • Blessington Upper: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1947 with 49.
  • Blessington Upper: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1947 with 17.
  • Blessington Upper: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1931 with 4.
  • Blessington Upper: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1917 with 1.
  • 4 fixed thresholds have at least one qualifying day at Blessington Upper.
44 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Blessington Upper Days per year at Blessington Upper with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1947. 02040601917: 401918: 281919: 291920: 351921: 341922: 311924: 351925: 291926: 321927: 331928: 401929: 421930: 301931: 431932: 381933: 241934: 331935: 361936: 291937: 321938: 301939: 471940: 251941: 251942: 401943: 351944: 301945: 231946: 341947: 491948: 261949: 321950: 261954: 251955: 421956: 481957: 291958: 391959: 271960: 381961: 221962: 351963: 281964: 39191719221928193319381943194819561961
Days per year at Blessington Upper with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1947.
Days with 10 mm (0.39 in) or more of precipitation per year at Blessington Upper
YearDaysDecade average
19174032.3
19182832.3
19192932.3
19203534.6
19213434.6
19223134.6
19243534.6
19252934.6
19263234.6
19273334.6
19284034.6
19294234.6
19303034.2
19314334.2
19323834.2
19332434.2
19343334.2
19353634.2
19362934.2
19373234.2
19383034.2
19394734.2
19402531.9
19412531.9
19424031.9
19433531.9
19443031.9
19452331.9
19463431.9
19474931.9
19482631.9
19493231.9
19502633.7
19542533.7
19554233.7
19564833.7
19572933.7
19583933.7
19592733.7
19603832.4
19612232.4
19623532.4
19632832.4
19643932.4
First to last qualifying date each year at Blessington Upper For each year, a bar from the first to the last day at Blessington Upper meeting 10 mm (0.39 in). 1917: 4 January 1917 to 25 November 19171918: 16 January 1918 to 27 December 19181919: 18 February 1919 to 29 December 19191920: 3 January 1920 to 16 December 19201921: 2 January 1921 to 27 November 19211922: 7 January 1922 to 27 December 19221924: 27 January 1924 to 22 November 19241925: 14 January 1925 to 18 November 19251926: 28 January 1926 to 18 December 19261927: 6 January 1927 to 19 December 19271928: 21 January 1928 to 19 November 19281929: 26 January 1929 to 28 December 19291930: 20 February 1930 to 17 December 19301931: 2 March 1931 to 17 November 19311932: 10 January 1932 to 24 December 19321933: 5 March 1933 to 9 November 19331934: 9 January 1934 to 30 December 19341935: 5 January 1935 to 27 October 19351936: 22 January 1936 to 20 December 19361937: 2 January 1937 to 26 December 19371938: 27 January 1938 to 28 December 19381939: 17 February 1939 to 19 December 19391940: 6 January 1940 to 8 December 19401941: 26 January 1941 to 20 December 19411942: 20 January 1942 to 24 December 19421943: 3 January 1943 to 30 November 19431944: 3 January 1944 to 24 December 19441945: 31 January 1945 to 17 December 19451946: 4 January 1946 to 8 December 19461947: 17 January 1947 to 31 December 19471948: 4 February 1948 to 16 December 19481949: 16 January 1949 to 27 November 19491950: 14 January 1950 to 30 December 19501954: 28 January 1954 to 12 December 19541955: 29 January 1955 to 31 December 19551956: 1 January 1956 to 18 December 19561957: 19 January 1957 to 26 December 19571958: 1 February 1958 to 11 December 19581959: 26 January 1959 to 26 December 19591960: 9 January 1960 to 22 November 19601961: 8 April 1961 to 18 December 19611962: 11 January 1962 to 11 December 19621963: 6 January 1963 to 30 December 19631964: 7 February 1964 to 29 December 196419171924193019361942194819571963JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blessington Upper meeting 10 mm (0.39 in).
First to last qualifying date each year at Blessington Upper
YearFirst dateLast date
19171917-01-041917-11-25
19181918-01-161918-12-27
19191919-02-181919-12-29
19201920-01-031920-12-16
19211921-01-021921-11-27
19221922-01-071922-12-27
19241924-01-271924-11-22
19251925-01-141925-11-18
19261926-01-281926-12-18
19271927-01-061927-12-19
19281928-01-211928-11-19
19291929-01-261929-12-28
19301930-02-201930-12-17
19311931-03-021931-11-17
19321932-01-101932-12-24
19331933-03-051933-11-09
19341934-01-091934-12-30
19351935-01-051935-10-27
19361936-01-221936-12-20
19371937-01-021937-12-26
19381938-01-271938-12-28
19391939-02-171939-12-19
19401940-01-061940-12-08
19411941-01-261941-12-20
19421942-01-201942-12-24
19431943-01-031943-11-30
19441944-01-031944-12-24
19451945-01-311945-12-17
19461946-01-041946-12-08
19471947-01-171947-12-31
19481948-02-041948-12-16
19491949-01-161949-11-27
19501950-01-141950-12-30
19541954-01-281954-12-12
19551955-01-291955-12-31
19561956-01-011956-12-18
19571957-01-191957-12-26
19581958-02-011958-12-11
19591959-01-261959-12-26
19601960-01-091960-11-22
19611961-04-081961-12-18
19621962-01-111962-12-11
19631963-01-061963-12-30
19641964-02-071964-12-29

Every Fixed Threshold

Fixed thresholds at Blessington Upper
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4449194739
25 mm (0.98 in): Days with 25 mm or more rain4417194713
50 mm (1.97 in): Days with 50 mm or more rain30419314
100 mm (3.94 in): Days with 100 mm or more rain4119171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Blessington Upper 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).