Weather Records on 21 October 1924

389 weather records were set or tied worldwide on 21 October 1924. Highest significance: Hallett (Old Canowie), AU.

Key Facts for 21 October 1924

On 21 October 1924, 389 weather records were set or tied at long-record stations worldwide.
26 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 374 daily.
Hallett (Old Canowie) set a daily record precipitation of 44.5 mm (1.8 in) on 21 October 1924.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 420 records.

Record Map

389 stations

389 station records on 21 October 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hallett (Old Canowie)	Australia	Record daily precipitation	44.5 mm (1.8 in)	55 of 100 (Notable)
Warren (Frawley St)	Australia	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Tanunda	Australia	Record daily precipitation	29.2 mm (1.1 in)	53 of 100 (Notable)
Hoofddorp	Netherlands	Record daily precipitation	34.0 mm (1.3 in)	52 of 100 (Notable)
Booleroo Centre	Australia	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Laura	Australia	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Angaston	Australia	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Thackaringa	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Cannonbar	Australia	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Antwerp	Australia	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Hallett	Australia	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Gympie	Australia	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Box Cowell	Australia	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Mildura Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	44 of 100 (Notable)
Beulah	Australia	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Murtoa	Australia	Record daily precipitation	42.7 mm (1.7 in)	44 of 100 (Notable)
Childers Post Office	Australia	Record daily precipitation	95.3 mm (3.8 in)	43 of 100 (Notable)
Tiaro	Australia	Record daily precipitation	72.4 mm (2.9 in)	43 of 100 (Notable)
Yanac North	Australia	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Moyston	Australia	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Truro	Australia	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Mt Perry the Pines	Australia	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Mungar Junction	Australia	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Mannanarie Post Office	Australia	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Woody Island	Australia	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Cooran Post Office	Australia	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Gilgoin	Australia	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Double Island Point Lighthouse	Australia	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Morven Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Girilambone (Ampol)	Australia	Record daily precipitation	38.9 mm (1.5 in)	36 of 100 (Notable)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Quorn (Olive Grove)	Australia	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	28.4 mm (1.1 in)	35 of 100 (Notable)
Gowar West	Australia	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)
Sunbury (Salesian College )	Australia	Record daily precipitation	33.3 mm (1.3 in)	35 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	30.8 mm (1.2 in)	35 of 100 (Notable)
Gigoomgan	Australia	Record daily precipitation	58.4 mm (2.3 in)	34 of 100 (Routine)
Alexandra (Post Office)	Australia	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Fryerstown	Australia	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Kyneton Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Trentham (Post Office)	Australia	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Birdwood	Australia	Record daily precipitation	25.1 mm (1.0 in)	33 of 100 (Routine)
Kilkivan Post Office	Australia	Record daily precipitation	68.6 mm (2.7 in)	33 of 100 (Routine)
Glenariff	Australia	Record daily precipitation	36.6 mm (1.4 in)	33 of 100 (Routine)
Nyngan (Canonbar)	Australia	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Rolleston	Australia	Record daily precipitation	67.8 mm (2.7 in)	32 of 100 (Routine)
Lohn (Warrigal)	Australia	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Keilor (Arundel)	Australia	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Stockwell	Australia	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
Frances	Australia	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Warren (Haddon Rig)	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Big Hill Reservoir	Australia	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Yea	Australia	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Taroom Post Office	Australia	Record daily precipitation	70.1 mm (2.8 in)	29 of 100 (Routine)
Warren (Eenaweena)	Australia	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Nanango Wills St	Australia	Record daily precipitation	71.9 mm (2.8 in)	28 of 100 (Routine)
Miles Post Office	Australia	Record daily precipitation	56.4 mm (2.2 in)	28 of 100 (Routine)
Elmore	Australia	Record daily precipitation	26.9 mm (1.1 in)	28 of 100 (Routine)
Runnymede	Australia	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)

Counts by Type and Timescale

389 records

Records set or tied on 21 October 1924 by type: Highest daily maximum 13, Lowest daily maximum 12, Highest daily minimum 13, Lowest daily minimum 10, Heaviest daily rainfall 339, Heaviest daily snowfall 2.

Records on 21 October 1924 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	12
Highest daily minimum	13
Lowest daily minimum	10
Heaviest daily rainfall	339
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 21 October 1924 by timescale: all-time 0, monthly 15, daily 374.

How Much Records Were Beaten By

364 broken records

Margins by which the 364 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.0. Ties are not counted.

Top 20 by Significance

21 October 1924

Top 20 records on 21 October 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1924	Hallett (Old Canowie), AU	daily rain	44.5 mm (1.8 in)	39.4 mm (1.6 in)	37 years	55 of 100 (Notable)
21 October 1924	Warren (Frawley St), AU	daily rain	50.8 mm (2.0 in)	50.8 mm (2.0 in)	38 years	55 of 100 (Notable)
21 October 1924	Tanunda, AU	daily rain	29.2 mm (1.1 in)	21.6 mm (0.9 in)	39 years	53 of 100 (Notable)
21 October 1924	Hoofddorp, NL	daily rain	34.0 mm (1.3 in)	18.1 mm (0.7 in)	50 years	52 of 100 (Notable)
21 October 1924	Booleroo Centre, AU	daily rain	34.0 mm (1.3 in)	27.4 mm (1.1 in)	33 years	50 of 100 (Notable)
21 October 1924	Laura, AU	daily rain	36.8 mm (1.4 in)	25.6 mm (1.0 in)	33 years	50 of 100 (Notable)
21 October 1924	Angaston, AU	daily rain	27.9 mm (1.1 in)	21.3 mm (0.8 in)	39 years	49 of 100 (Notable)
21 October 1924	Thackaringa, AU	daily rain	35.6 mm (1.4 in)	34.1 mm (1.3 in)	19 years	48 of 100 (Notable)
21 October 1924	Malmsbury Reservoir, AU	daily rain	38.9 mm (1.5 in)	30.8 mm (1.2 in)	7 years	47 of 100 (Notable)
21 October 1924	Cannonbar, AU	monthly rain	76.2 mm (3.0 in)	30.0 mm (1.2 in)	9 years	46 of 100 (Notable)
21 October 1924	Antwerp, AU	daily rain	40.1 mm (1.6 in)	37.6 mm (1.5 in)	7 years	45 of 100 (Notable)
21 October 1924	Hallett, AU	daily rain	29.2 mm (1.1 in)	23.4 mm (0.9 in)	33 years	44 of 100 (Notable)
21 October 1924	Gympie, AU	daily rain	46.2 mm (1.8 in)	40.4 mm (1.6 in)	12 years	44 of 100 (Notable)
21 October 1924	Box Cowell, AU	daily rain	47.0 mm (1.9 in)	29.5 mm (1.2 in)	25 years	44 of 100 (Notable)
21 October 1924	Mildura Post Office, AU	daily rain	41.4 mm (1.6 in)	39.1 mm (1.5 in)	5 years	44 of 100 (Notable)
21 October 1924	Beulah, AU	daily rain	32.0 mm (1.3 in)	25.4 mm (1.0 in)	19 years	44 of 100 (Notable)
21 October 1924	Murtoa, AU	daily rain	42.7 mm (1.7 in)	36.9 mm (1.5 in)	3 years	44 of 100 (Notable)
21 October 1924	Childers Post Office, AU	daily rain	95.3 mm (3.8 in)	79.0 mm (3.1 in)	1 year	43 of 100 (Notable)
21 October 1924	Tiaro, AU	daily rain	72.4 mm (2.9 in)	53.3 mm (2.1 in)	1 year	43 of 100 (Notable)
21 October 1924	Yanac North, AU	daily rain	30.0 mm (1.2 in)	18.3 mm (0.7 in)	33 years	43 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1795 to 1924

Records set or tied on this calendar date in each year from 1795 to 1924. 1924 had 389 records.

Counts for years before the ledger starts come from the same station rules.

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1924-10-21: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	240
10 to 20	87
20 to 30	18
30 to 40	12
40 to 50	3
50 to 60	3
60 to 70	0
70 to 80	1