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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

North Dandalup Threshold Days by Year

4 fixed thresholds counted per year at North Dandalup (ASN00009526): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for North Dandalup Thresholds

  • North Dandalup: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1926 with 56.
  • North Dandalup: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1939 with 15.
  • North Dandalup: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1934 with 4.
  • North Dandalup: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1931 with 1.
  • 4 fixed thresholds have at least one qualifying day at North Dandalup.
19 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at North Dandalup Days per year at North Dandalup with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1926. 02040601922: 291923: 421924: 391925: 261926: 561927: 381928: 431929: 261931: 331932: 381933: 341934: 281935: 331936: 321938: 311939: 341940: 161941: 311952: 311922192419261928193119331935193819401952
Days per year at North Dandalup with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1926.
Days with 10 mm (0.39 in) or more of precipitation per year at North Dandalup
YearDaysDecade average
19222937.4
19234237.4
19243937.4
19252637.4
19265637.4
19273837.4
19284337.4
19292637.4
19313332.9
19323832.9
19333432.9
19342832.9
19353332.9
19363232.9
19383132.9
19393432.9
19401623.5
19413123.5
19523131
First to last qualifying date each year at North Dandalup For each year, a bar from the first to the last day at North Dandalup meeting 10 mm (0.39 in). 1922: 27 April 1922 to 7 December 19221923: 20 January 1923 to 8 October 19231924: 12 May 1924 to 16 November 19241925: 24 January 1925 to 11 October 19251926: 24 February 1926 to 27 November 19261927: 12 January 1927 to 30 October 19271928: 9 January 1928 to 5 December 19281929: 10 April 1929 to 25 December 19291931: 13 April 1931 to 12 November 19311932: 29 March 1932 to 24 October 19321933: 18 April 1933 to 19 October 19331934: 9 March 1934 to 6 November 19341935: 25 February 1935 to 1 December 19351936: 9 May 1936 to 17 December 19361938: 12 March 1938 to 2 November 19381939: 5 May 1939 to 4 October 19391940: 26 April 1940 to 21 October 19401941: 14 April 1941 to 20 September 19411952: 28 March 1952 to 5 November 19521922192519281932193519391952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at North Dandalup meeting 10 mm (0.39 in).
First to last qualifying date each year at North Dandalup
YearFirst dateLast date
19221922-04-271922-12-07
19231923-01-201923-10-08
19241924-05-121924-11-16
19251925-01-241925-10-11
19261926-02-241926-11-27
19271927-01-121927-10-30
19281928-01-091928-12-05
19291929-04-101929-12-25
19311931-04-131931-11-12
19321932-03-291932-10-24
19331933-04-181933-10-19
19341934-03-091934-11-06
19351935-02-251935-12-01
19361936-05-091936-12-17
19381938-03-121938-11-02
19391939-05-051939-10-04
19401940-04-261940-10-21
19411941-04-141941-09-20
19521952-03-281952-11-05

Every Fixed Threshold

Fixed thresholds at North Dandalup
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1956192631
25 mm (0.98 in): Days with 25 mm or more rain191519398
50 mm (1.97 in): Days with 50 mm or more rain12419344
100 mm (3.94 in): Days with 100 mm or more rain4119311

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

  • Data for North Dandalup 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).