Built 2026-10-19 (19 October 2026)

Rudolf Island Threshold Days by Year (RSM00020049)

2 fixed thresholds counted per year at Rudolf Island (RSM00020049): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rudolf Island Thresholds

  • Rudolf Island: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1972 with 4.
  • Rudolf Island: days with 25 mm (0.98 in) or more of precipitation in 1 years, most in 1972 with 1.
  • 2 fixed thresholds have at least one qualifying day at Rudolf Island.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rudolf Island Days per year at Rudolf Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 4 in 1972. 012341966: 21967: 31968: 31969: 21970: 11971: 21972: 41975: 11978: 11979: 21980: 41981: 21982: 11990: 11992: 11994: 119661968197019721978198019821992
Days per year at Rudolf Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 4 in 1972.
Days with 10 mm (0.39 in) or more of precipitation per year at Rudolf Island
YearDaysDecade average
196622.5
196732.5
196832.5
196922.5
197011.8
197121.8
197241.8
197511.8
197811.8
197921.8
198042.3
198122.3
198212.3
199011
199211
199411
First to last qualifying date each year at Rudolf Island For each year, a bar from the first to the last day at Rudolf Island meeting 10 mm (0.39 in). 1966: 18 August 1966 to 14 November 19661967: 16 January 1967 to 13 August 19671968: 9 February 1968 to 30 July 19681969: 11 December 1969 to 26 December 19691970: 17 February 1970 to 17 February 19701971: 27 January 1971 to 6 November 19711972: 11 January 1972 to 20 December 19721975: 19 March 1975 to 19 March 19751978: 9 November 1978 to 9 November 19781979: 10 November 1979 to 8 December 19791980: 21 July 1980 to 10 December 19801981: 28 January 1981 to 23 February 19811982: 13 February 1982 to 13 February 19821990: 15 August 1990 to 15 August 19901992: 5 January 1992 to 5 January 19921994: 7 August 1994 to 7 August 199419661968197019721978198019821992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rudolf Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Rudolf Island
YearFirst dateLast date
19661966-08-181966-11-14
19671967-01-161967-08-13
19681968-02-091968-07-30
19691969-12-111969-12-26
19701970-02-171970-02-17
19711971-01-271971-11-06
19721972-01-111972-12-20
19751975-03-191975-03-19
19781978-11-091978-11-09
19791979-11-101979-12-08
19801980-07-211980-12-10
19811981-01-281981-02-23
19821982-02-131982-02-13
19901990-08-151990-08-15
19921992-01-051992-01-05
19941994-08-071994-08-07

Every Fixed Threshold

Fixed thresholds at Rudolf Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain16419721
25 mm (0.98 in): Days with 25 mm or more rain1119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Rudolf Island 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).