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Built 2026-10-19 (19 October 2026)

Killaloe Threshold Days by Year (CA006104125)

16 fixed thresholds counted per year at Killaloe (CA006104125): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Killaloe Thresholds

  • Killaloe: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1940 with 103.
  • Killaloe: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1965 with 213.
  • Killaloe: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1940 with 110.
  • Killaloe: nights with a minimum temperature at or below -20 C (-4 F) in 34 years, most in 1963 with 60.
  • 16 fixed thresholds have at least one qualifying day at Killaloe.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Killaloe Days per year at Killaloe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1955. 0102030401939: 161940: 111941: 251942: 151943: 111944: 241945: 141946: 231947: 191948: 91949: 261950: 101951: 31952: 181953: 241955: 351956: 61957: 91958: 61959: 201960: 81961: 101962: 171963: 221964: 181965: 81966: 151967: 21968: 101969: 141970: 141971: 91972: 2193919431947195119561960196419681972
Days per year at Killaloe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1955.
Days at or above 30 C (86 F) per year at Killaloe
YearDaysDecade average
19391616
19401117.7
19412517.7
19421517.7
19431117.7
19442417.7
19451417.7
19462317.7
19471917.7
1948917.7
19492617.7
19501014.6
1951314.6
19521814.6
19532414.6
19553514.6
1956614.6
1957914.6
1958614.6
19592014.6
1960812.4
19611012.4
19621712.4
19632212.4
19641812.4
1965812.4
19661512.4
1967212.4
19681012.4
19691412.4
1970148.3
197198.3
197228.3
First to last qualifying date each year at Killaloe For each year, a bar from the first to the last day at Killaloe meeting 30 C (86 F). 1939: 8 May 1939 to 16 September 19391940: 22 May 1940 to 18 August 19401941: 20 May 1941 to 22 September 19411942: 25 April 1942 to 18 September 19421943: 4 June 1943 to 23 August 19431944: 3 May 1944 to 16 August 19441945: 24 June 1945 to 8 September 19451946: 25 June 1946 to 6 October 19461947: 11 June 1947 to 24 August 19471948: 10 July 1948 to 6 September 19481949: 3 June 1949 to 27 August 19491950: 7 June 1950 to 13 July 19501951: 18 June 1951 to 12 September 19511952: 25 June 1952 to 13 September 19521953: 9 May 1953 to 4 September 19531955: 4 May 1955 to 19 September 19551956: 11 June 1956 to 1 July 19561957: 16 June 1957 to 9 August 19571958: 1 July 1958 to 12 August 19581959: 8 June 1959 to 9 September 19591960: 10 July 1960 to 8 September 19601961: 14 May 1961 to 11 September 19611962: 16 May 1962 to 13 September 19621963: 2 June 1963 to 28 July 19631964: 22 May 1964 to 7 August 19641965: 26 May 1965 to 22 September 19651966: 24 May 1966 to 18 August 19661967: 3 June 1967 to 4 June 19671968: 5 June 1968 to 24 August 19681969: 28 May 1969 to 31 August 19691970: 19 May 1970 to 15 August 19701971: 19 May 1971 to 6 September 19711972: 23 May 1972 to 12 July 19721939194419491955196019651970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Killaloe meeting 30 C (86 F).
First to last qualifying date each year at Killaloe
YearFirst dateLast date
19391939-05-081939-09-16
19401940-05-221940-08-18
19411941-05-201941-09-22
19421942-04-251942-09-18
19431943-06-041943-08-23
19441944-05-031944-08-16
19451945-06-241945-09-08
19461946-06-251946-10-06
19471947-06-111947-08-24
19481948-07-101948-09-06
19491949-06-031949-08-27
19501950-06-071950-07-13
19511951-06-181951-09-12
19521952-06-251952-09-13
19531953-05-091953-09-04
19551955-05-041955-09-19
19561956-06-111956-07-01
19571957-06-161957-08-09
19581958-07-011958-08-12
19591959-06-081959-09-09
19601960-07-101960-09-08
19611961-05-141961-09-11
19621962-05-161962-09-13
19631963-06-021963-07-28
19641964-05-221964-08-07
19651965-05-261965-09-22
19661966-05-241966-08-18
19671967-06-031967-06-04
19681968-06-051968-08-24
19691969-05-281969-08-31
19701970-05-191970-08-15
19711971-05-191971-09-06
19721972-05-231972-07-12

Every Fixed Threshold

Fixed thresholds at Killaloe
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days333519552
35 C (95 F): Days4519441
90 F (32.2 C): Days282119551
0 C (32 F): Ice days (max34103194075
0 C (32 F): Frost days (min342131965185
-10 C (14 F): Days with min34110194087
-20 C (-4 F): Days with min3460196340
-30 C (-22 F): Days with min3119196313
-40 C (-40 F): Days with min7219451
20 C (68 F): Tropical nights (min19819491
10 mm (0.39 in): Days with 10 mm or more rain3428195427
25 mm (0.98 in): Days with 25 mm or more rain32819637
50 mm (1.97 in): Days with 50 mm or more rain7219671
10 cm (3.9 in): Days with 10 cm or more snowfall311319713
25 cm (9.8 in): Days with 25 cm or more snowfall6219441
50 cm (19.7 in): Days with 50 cm or more snowfall2119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Killaloe 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 (2026-10-17).