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Built 2026-10-19 (19 October 2026)

Ilbunga Threshold Days by Year (ASN00017069)

4 fixed thresholds counted per year at Ilbunga (ASN00017069): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ilbunga Thresholds

  • Ilbunga: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1974 with 17.
  • Ilbunga: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1974 with 6.
  • Ilbunga: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1966 with 2.
  • Ilbunga: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1976 with 2.
  • 4 fixed thresholds have at least one qualifying day at Ilbunga.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ilbunga Days per year at Ilbunga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1974. 051015201931: 11932: 31933: 51935: 51936: 31937: 21938: 21939: 61940: 21941: 21946: 41947: 61948: 41952: 91953: 41954: 31955: 61956: 41957: 71958: 41959: 11960: 31961: 21962: 51963: 11964: 61965: 21966: 61967: 31968: 41969: 31970: 21972: 71973: 101974: 171975: 141976: 111977: 121978: 111931193619401948195519591963196719721976
Days per year at Ilbunga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Ilbunga
YearDaysDecade average
193113.4
193233.4
193353.4
193553.4
193633.4
193723.4
193823.4
193963.4
194023.6
194123.6
194643.6
194763.6
194843.6
195294.8
195344.8
195434.8
195564.8
195644.8
195774.8
195844.8
195914.8
196033.5
196123.5
196253.5
196313.5
196463.5
196523.5
196663.5
196733.5
196843.5
196933.5
1970210.5
1972710.5
19731010.5
19741710.5
19751410.5
19761110.5
19771210.5
19781110.5
First to last qualifying date each year at Ilbunga For each year, a bar from the first to the last day at Ilbunga meeting 10 mm (0.39 in). 1931: 1 April 1931 to 1 April 19311932: 5 February 1932 to 13 March 19321933: 7 March 1933 to 29 November 19331935: 4 January 1935 to 20 October 19351936: 25 February 1936 to 25 July 19361937: 8 January 1937 to 9 January 19371938: 18 February 1938 to 19 February 19381939: 21 January 1939 to 28 June 19391940: 6 January 1940 to 27 January 19401941: 2 January 1941 to 13 June 19411946: 3 February 1946 to 24 December 19461947: 22 February 1947 to 1 November 19471948: 1 January 1948 to 16 July 19481952: 3 January 1952 to 26 October 19521953: 6 February 1953 to 3 November 19531954: 1 May 1954 to 1 November 19541955: 2 March 1955 to 28 July 19551956: 22 May 1956 to 16 July 19561957: 30 January 1957 to 30 December 19571958: 25 January 1958 to 14 December 19581959: 4 December 1959 to 4 December 19591960: 18 January 1960 to 30 April 19601961: 29 January 1961 to 10 April 19611962: 11 January 1962 to 28 October 19621963: 6 April 1963 to 6 April 19631964: 3 May 1964 to 1 December 19641965: 13 August 1965 to 14 August 19651966: 9 January 1966 to 1 December 19661967: 23 February 1967 to 8 March 19671968: 23 January 1968 to 2 July 19681969: 25 February 1969 to 5 November 19691970: 23 April 1970 to 14 May 19701972: 3 March 1972 to 23 November 19721973: 8 January 1973 to 30 October 19731974: 14 January 1974 to 17 October 19741975: 7 January 1975 to 17 December 19751976: 6 January 1976 to 12 October 19761977: 16 February 1977 to 1 December 19771978: 23 January 1978 to 25 December 197819311937194619541959196419691975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ilbunga meeting 10 mm (0.39 in).
First to last qualifying date each year at Ilbunga
YearFirst dateLast date
19311931-04-011931-04-01
19321932-02-051932-03-13
19331933-03-071933-11-29
19351935-01-041935-10-20
19361936-02-251936-07-25
19371937-01-081937-01-09
19381938-02-181938-02-19
19391939-01-211939-06-28
19401940-01-061940-01-27
19411941-01-021941-06-13
19461946-02-031946-12-24
19471947-02-221947-11-01
19481948-01-011948-07-16
19521952-01-031952-10-26
19531953-02-061953-11-03
19541954-05-011954-11-01
19551955-03-021955-07-28
19561956-05-221956-07-16
19571957-01-301957-12-30
19581958-01-251958-12-14
19591959-12-041959-12-04
19601960-01-181960-04-30
19611961-01-291961-04-10
19621962-01-111962-10-28
19631963-04-061963-04-06
19641964-05-031964-12-01
19651965-08-131965-08-14
19661966-01-091966-12-01
19671967-02-231967-03-08
19681968-01-231968-07-02
19691969-02-251969-11-05
19701970-04-231970-05-14
19721972-03-031972-11-23
19731973-01-081973-10-30
19741974-01-141974-10-17
19751975-01-071975-12-17
19761976-01-061976-10-12
19771977-02-161977-12-01
19781978-01-231978-12-25

Every Fixed Threshold

Fixed thresholds at Ilbunga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3917197411
25 mm (0.98 in): Days with 25 mm or more rain30619744
50 mm (1.97 in): Days with 50 mm or more rain10219661
100 mm (3.94 in): Days with 100 mm or more rain3219762

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

  • Data for Ilbunga 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).