Built 2026-10-18 (18 October 2026)

Mount Lofty Summit Threshold Days by Year

4 fixed thresholds counted per year at Mount Lofty Summit (ASN00023736): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Lofty Summit Thresholds

  • Mount Lofty Summit: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1923 with 62.
  • Mount Lofty Summit: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1923 with 23.
  • Mount Lofty Summit: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1917 with 7.
  • Mount Lofty Summit: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1938 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mount Lofty Summit.
48 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Lofty Summit Days per year at Mount Lofty Summit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1923. 0204060801906: 531907: 371908: 421909: 581910: 441911: 331912: 341913: 291914: 201915: 461916: 421917: 571918: 361919: 321920: 561921: 361922: 551923: 621924: 391925: 361926: 411927: 421928: 391929: 361930: 351931: 441932: 511933: 341934: 341935: 391936: 281937: 421938: 381939: 431940: 271941: 371942: 521943: 371944: 281945: 331946: 401947: 441948: 441949: 291950: 331951: 491952: 401955: 521906191119161921192619311936194119461951
Days per year at Mount Lofty Summit with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Lofty Summit
YearDaysDecade average
19065347.5
19073747.5
19084247.5
19095847.5
19104437.3
19113337.3
19123437.3
19132937.3
19142037.3
19154637.3
19164237.3
19175737.3
19183637.3
19193237.3
19205644.2
19213644.2
19225544.2
19236244.2
19243944.2
19253644.2
19264144.2
19274244.2
19283944.2
19293644.2
19303538.8
19314438.8
19325138.8
19333438.8
19343438.8
19353938.8
19362838.8
19374238.8
19383838.8
19394338.8
19402737.1
19413737.1
19425237.1
19433737.1
19442837.1
19453337.1
19464037.1
19474437.1
19484437.1
19492937.1
19503343.5
19514943.5
19524043.5
19555243.5
First to last qualifying date each year at Mount Lofty Summit For each year, a bar from the first to the last day at Mount Lofty Summit meeting 10 mm (0.39 in). 1906: 1 March 1906 to 17 December 19061907: 5 March 1907 to 23 November 19071908: 31 January 1908 to 21 December 19081909: 4 January 1909 to 22 December 19091910: 5 March 1910 to 23 December 19101911: 1 February 1911 to 5 December 19111912: 23 February 1912 to 10 December 19121913: 14 February 1913 to 23 December 19131914: 26 January 1914 to 25 November 19141915: 20 January 1915 to 24 October 19151916: 4 January 1916 to 3 December 19161917: 22 January 1917 to 31 December 19171918: 14 January 1918 to 13 December 19181919: 7 January 1919 to 27 December 19191920: 6 March 1920 to 27 December 19201921: 2 January 1921 to 3 December 19211922: 4 January 1922 to 28 December 19221923: 5 January 1923 to 18 December 19231924: 8 January 1924 to 7 November 19241925: 21 January 1925 to 20 November 19251926: 8 February 1926 to 5 December 19261927: 2 February 1927 to 4 December 19271928: 19 January 1928 to 4 November 19281929: 30 January 1929 to 28 December 19291930: 21 February 1930 to 25 December 19301931: 4 March 1931 to 10 November 19311932: 5 February 1932 to 30 November 19321933: 11 January 1933 to 9 October 19331934: 6 January 1934 to 29 December 19341935: 3 January 1935 to 11 November 19351936: 19 February 1936 to 16 December 19361937: 2 January 1937 to 11 December 19371938: 27 January 1938 to 28 November 19381939: 16 January 1939 to 15 November 19391940: 5 January 1940 to 20 December 19401941: 24 January 1941 to 8 December 19411942: 20 January 1942 to 5 December 19421943: 12 January 1943 to 12 October 19431944: 7 February 1944 to 21 December 19441945: 10 January 1945 to 17 December 19451946: 17 January 1946 to 30 November 19461947: 8 February 1947 to 23 December 19471948: 29 February 1948 to 16 December 19481949: 20 February 1949 to 21 November 19491950: 1 February 1950 to 20 December 19501951: 4 January 1951 to 20 December 19511952: 24 January 1952 to 7 December 19521955: 9 February 1955 to 3 December 195519061912191819241930193619421948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Lofty Summit meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Lofty Summit
YearFirst dateLast date
19061906-03-011906-12-17
19071907-03-051907-11-23
19081908-01-311908-12-21
19091909-01-041909-12-22
19101910-03-051910-12-23
19111911-02-011911-12-05
19121912-02-231912-12-10
19131913-02-141913-12-23
19141914-01-261914-11-25
19151915-01-201915-10-24
19161916-01-041916-12-03
19171917-01-221917-12-31
19181918-01-141918-12-13
19191919-01-071919-12-27
19201920-03-061920-12-27
19211921-01-021921-12-03
19221922-01-041922-12-28
19231923-01-051923-12-18
19241924-01-081924-11-07
19251925-01-211925-11-20
19261926-02-081926-12-05
19271927-02-021927-12-04
19281928-01-191928-11-04
19291929-01-301929-12-28
19301930-02-211930-12-25
19311931-03-041931-11-10
19321932-02-051932-11-30
19331933-01-111933-10-09
19341934-01-061934-12-29
19351935-01-031935-11-11
19361936-02-191936-12-16
19371937-01-021937-12-11
19381938-01-271938-11-28
19391939-01-161939-11-15
19401940-01-051940-12-20
19411941-01-241941-12-08
19421942-01-201942-12-05
19431943-01-121943-10-12
19441944-02-071944-12-21
19451945-01-101945-12-17
19461946-01-171946-11-30
19471947-02-081947-12-23
19481948-02-291948-12-16
19491949-02-201949-11-21
19501950-02-011950-12-20
19511951-01-041951-12-20
19521952-01-241952-12-07
19551955-02-091955-12-03

Every Fixed Threshold

Fixed thresholds at Mount Lofty Summit
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4862192352
25 mm (0.98 in): Days with 25 mm or more rain4823192311
50 mm (1.97 in): Days with 50 mm or more rain34719171
100 mm (3.94 in): Days with 100 mm or more rain1119381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Mount Lofty Summit 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).