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Built 2026-10-18 (18 October 2026)

Dandenong Post Office Threshold Days by Year

4 fixed thresholds counted per year at Dandenong Post Office (ASN00086028): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dandenong Post Office Thresholds

  • Dandenong Post Office: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1917 with 40.
  • Dandenong Post Office: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1924 with 13.
  • Dandenong Post Office: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1901 with 3.
  • Dandenong Post Office: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1934 with 1.
  • 4 fixed thresholds have at least one qualifying day at Dandenong Post Office.
61 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Dandenong Post Office Days per year at Dandenong Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1917. 0102030401898: 131900: 311901: 191902: 201903: 351904: 251905: 231906: 231907: 141908: 141909: 241910: 211911: 311912: 161913: 221914: 161916: 321917: 401918: 281919: 201920: 321921: 301922: 291923: 201924: 381925: 181926: 221927: 171928: 261929: 331930: 261931: 331932: 261933: 251934: 311935: 301936: 321937: 171938: 171939: 311940: 231941: 311942: 281943: 181944: 241945: 181946: 261947: 271948: 311949: 241950: 251951: 311952: 251953: 181954: 181956: 221957: 131958: 211959: 121960: 261961: 18189819061913192119281935194219491957
Days per year at Dandenong Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Dandenong Post Office
YearDaysDecade average
18981313
19003122.8
19011922.8
19022022.8
19033522.8
19042522.8
19052322.8
19062322.8
19071422.8
19081422.8
19092422.8
19102125.1
19113125.1
19121625.1
19132225.1
19141625.1
19163225.1
19174025.1
19182825.1
19192025.1
19203226.5
19213026.5
19222926.5
19232026.5
19243826.5
19251826.5
19262226.5
19271726.5
19282626.5
19293326.5
19302626.8
19313326.8
19322626.8
19332526.8
19343126.8
19353026.8
19363226.8
19371726.8
19381726.8
19393126.8
19402325
19413125
19422825
19431825
19442425
19451825
19462625
19472725
19483125
19492425
19502520.6
19513120.6
19522520.6
19531820.6
19541820.6
19562220.6
19571320.6
19582120.6
19591220.6
19602622
19611822
First to last qualifying date each year at Dandenong Post Office For each year, a bar from the first to the last day at Dandenong Post Office meeting 10 mm (0.39 in). 1898: 15 March 1898 to 22 November 18981900: 8 January 1900 to 5 October 19001901: 4 January 1901 to 28 October 19011902: 5 January 1902 to 26 December 19021903: 22 January 1903 to 29 December 19031904: 2 January 1904 to 2 November 19041905: 15 January 1905 to 2 December 19051906: 11 March 1906 to 18 December 19061907: 7 February 1907 to 28 December 19071908: 10 January 1908 to 22 December 19081909: 4 January 1909 to 6 December 19091910: 15 January 1910 to 23 December 19101911: 6 February 1911 to 26 December 19111912: 8 February 1912 to 26 December 19121913: 5 February 1913 to 23 December 19131914: 26 January 1914 to 26 December 19141916: 28 January 1916 to 12 December 19161917: 20 February 1917 to 31 December 19171918: 14 January 1918 to 26 December 19181919: 7 January 1919 to 29 December 19191920: 6 February 1920 to 17 December 19201921: 3 January 1921 to 8 December 19211922: 9 January 1922 to 30 December 19221923: 19 January 1923 to 26 December 19231924: 10 January 1924 to 27 December 19241925: 13 January 1925 to 23 November 19251926: 7 January 1926 to 18 December 19261927: 24 February 1927 to 28 December 19271928: 18 January 1928 to 24 December 19281929: 26 January 1929 to 21 December 19291930: 21 February 1930 to 27 December 19301931: 19 January 1931 to 22 December 19311932: 6 February 1932 to 27 December 19321933: 27 January 1933 to 21 December 19331934: 6 January 1934 to 1 December 19341935: 3 January 1935 to 21 December 19351936: 10 January 1936 to 18 December 19361937: 4 January 1937 to 19 October 19371938: 7 January 1938 to 4 November 19381939: 17 February 1939 to 5 December 19391940: 6 January 1940 to 30 December 19401941: 4 January 1941 to 20 December 19411942: 20 January 1942 to 19 December 19421943: 18 January 1943 to 18 November 19431944: 24 January 1944 to 27 December 19441945: 2 January 1945 to 27 December 19451946: 17 January 1946 to 30 December 19461947: 24 January 1947 to 23 December 19471948: 5 January 1948 to 28 December 19481949: 17 January 1949 to 28 November 19491950: 2 February 1950 to 30 December 19501951: 5 January 1951 to 20 December 19511952: 12 March 1952 to 11 December 19521953: 6 January 1953 to 27 November 19531954: 1 February 1954 to 4 December 19541956: 5 January 1956 to 27 December 19561957: 14 March 1957 to 26 December 19571958: 31 January 1958 to 11 December 19581959: 14 February 1959 to 24 December 19591960: 9 January 1960 to 21 November 19601961: 9 February 1961 to 19 December 196118981907191619241932194019481957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dandenong Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Dandenong Post Office
YearFirst dateLast date
18981898-03-151898-11-22
19001900-01-081900-10-05
19011901-01-041901-10-28
19021902-01-051902-12-26
19031903-01-221903-12-29
19041904-01-021904-11-02
19051905-01-151905-12-02
19061906-03-111906-12-18
19071907-02-071907-12-28
19081908-01-101908-12-22
19091909-01-041909-12-06
19101910-01-151910-12-23
19111911-02-061911-12-26
19121912-02-081912-12-26
19131913-02-051913-12-23
19141914-01-261914-12-26
19161916-01-281916-12-12
19171917-02-201917-12-31
19181918-01-141918-12-26
19191919-01-071919-12-29
19201920-02-061920-12-17
19211921-01-031921-12-08
19221922-01-091922-12-30
19231923-01-191923-12-26
19241924-01-101924-12-27
19251925-01-131925-11-23
19261926-01-071926-12-18
19271927-02-241927-12-28
19281928-01-181928-12-24
19291929-01-261929-12-21
19301930-02-211930-12-27
19311931-01-191931-12-22
19321932-02-061932-12-27
19331933-01-271933-12-21
19341934-01-061934-12-01
19351935-01-031935-12-21
19361936-01-101936-12-18
19371937-01-041937-10-19
19381938-01-071938-11-04
19391939-02-171939-12-05
19401940-01-061940-12-30
19411941-01-041941-12-20
19421942-01-201942-12-19
19431943-01-181943-11-18
19441944-01-241944-12-27
19451945-01-021945-12-27
19461946-01-171946-12-30
19471947-01-241947-12-23
19481948-01-051948-12-28
19491949-01-171949-11-28
19501950-02-021950-12-30
19511951-01-051951-12-20
19521952-03-121952-12-11
19531953-01-061953-11-27
19541954-02-011954-12-04
19561956-01-051956-12-27
19571957-03-141957-12-26
19581958-01-311958-12-11
19591959-02-141959-12-24
19601960-01-091960-11-21
19611961-02-091961-12-19

Every Fixed Threshold

Fixed thresholds at Dandenong Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6140191718
25 mm (0.98 in): Days with 25 mm or more rain601319242
50 mm (1.97 in): Days with 50 mm or more rain34319011
100 mm (3.94 in): Days with 100 mm or more rain2119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

  • Data for Dandenong Post Office 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).