Weather Records on 21 October 1919

102 weather records were set or tied worldwide on 21 October 1919. Highest significance: Sale Mercury Office, AU.

Key Facts for 21 October 1919

On 21 October 1919, 102 weather records were set or tied at long-record stations worldwide.
10 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 101 daily.
Sale Mercury Office set a daily record precipitation of 42.2 mm (1.7 in) on 21 October 1919.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 422 records.

Record Map

102 stations

102 station records on 21 October 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sale Mercury Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Sale	Australia	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Stratford	Australia	Record daily precipitation	42.4 mm (1.7 in)	32 of 100 (Routine)
Moormurang the Ridge	Australia	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Clydebank	Australia	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Valencia Creek (Bulgar Park)	Australia	Record daily precipitation	31.2 mm (1.2 in)	28 of 100 (Routine)
Edmonton	Canada	Record daily snowfall	20.1 cm (7.9 in)	27 of 100 (Routine)
Toongabbie	Australia	Record daily precipitation	29.0 mm (1.1 in)	26 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Bairnsdale 1	Australia	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Warragul	Australia	Record daily precipitation	27.2 mm (1.1 in)	22 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)
Durdidwarrah	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Yarram	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Yan Yean	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Sunbury (Salesian College )	Australia	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Auburn	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Little River (Mount Rothwell)	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Lakes Entrance Post Office	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Ballan	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Talbot	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Armagh	United Kingdom	Record high maximum temperature	17.1 C (62.8 F)	20 of 100 (Routine)
Riverton	Australia	Record daily precipitation	8.6 mm (0.34 in)	19 of 100 (Routine)
Cowes	Australia	Record daily precipitation	16.3 mm (0.6 in)	19 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	-8.3 C (17.1 F)	19 of 100 (Routine)
Jacksonville Wb City	United States	Record high minimum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Little Rock St Capitol	United States	Record daily precipitation	55.1 mm (2.2 in)	18 of 100 (Routine)
Springfield 3	Australia	Record daily precipitation	10.2 mm (0.4 in)	17 of 100 (Routine)
Newport	United States	Record daily precipitation	33.3 mm (1.3 in)	17 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	12.0 mm (0.5 in)	16 of 100 (Routine)
Georgetown	Australia	Record daily precipitation	4.3 mm (0.17 in)	16 of 100 (Routine)
Bonang (Goomgerah)	Australia	Record daily precipitation	19.6 mm (0.8 in)	16 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	2.8 mm (0.11 in)	15 of 100 (Routine)
Saddleworth	Australia	Record daily precipitation	7.6 mm (0.30 in)	15 of 100 (Routine)
Booligal (Ulonga)	Australia	Record daily precipitation	8.9 mm (0.35 in)	15 of 100 (Routine)
Bruthen (Post Office)	Australia	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Blackwarry	Australia	Record daily precipitation	31.2 mm (1.2 in)	15 of 100 (Routine)
Lilydale	Australia	Record daily precipitation	21.8 mm (0.9 in)	15 of 100 (Routine)
Mornington	Australia	Record daily precipitation	16.3 mm (0.6 in)	15 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	10.2 mm (0.4 in)	15 of 100 (Routine)
White River	Canada	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)
Farrell Flat	Australia	Record daily precipitation	7.1 mm (0.28 in)	14 of 100 (Routine)
Rupanyup (Lallat Plains)	Australia	Record daily precipitation	3.8 mm (0.15 in)	14 of 100 (Routine)
Maffra Shire Hall	Australia	Record daily precipitation	29.2 mm (1.1 in)	14 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Charlottetown	Canada	Record low minimum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)
Appila	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Quorn (Depot Flat)	Australia	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	3.6 mm (0.14 in)	13 of 100 (Routine)
Charleville Post Office	Australia	Record high minimum temperature	23.0 C (73.4 F)	13 of 100 (Routine)
Greensborough	Australia	Record daily precipitation	20.3 mm (0.8 in)	13 of 100 (Routine)
Medicine Hat A	Canada	Record daily precipitation	1.3 mm (0.05 in)	13 of 100 (Routine)
Pine Bluff	United States	Record high minimum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Port Pirie (Valencia)	Australia	Record daily precipitation	2.8 mm (0.11 in)	12 of 100 (Routine)
Stockport	Australia	Record daily precipitation	4.6 mm (0.18 in)	12 of 100 (Routine)

Counts by Type and Timescale

102 records

Records set or tied on 21 October 1919 by type: Highest daily maximum 3, Lowest daily maximum 5, Highest daily minimum 7, Lowest daily minimum 6, Heaviest daily rainfall 78, Heaviest daily snowfall 3.

Records on 21 October 1919 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	5
Highest daily minimum	7
Lowest daily minimum	6
Heaviest daily rainfall	78
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 21 October 1919 by timescale: all-time 0, monthly 1, daily 101.

How Much Records Were Beaten By

90 broken records

Margins by which the 90 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 125.0. Ties are not counted.

Top 20 by Significance

21 October 1919

Top 20 records on 21 October 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1919	Sale Mercury Office, AU	daily rain	42.2 mm (1.7 in)	27.0 mm (1.1 in)	17 years	48 of 100 (Notable)
21 October 1919	Sale, AU	daily rain	40.6 mm (1.6 in)	21.8 mm (0.9 in)	34 years	44 of 100 (Notable)
21 October 1919	Stratford, AU	daily rain	42.4 mm (1.7 in)	15.0 mm (0.6 in)	36 years	32 of 100 (Routine)
21 October 1919	Moormurang the Ridge, AU	daily rain	31.8 mm (1.3 in)	14.8 mm (0.6 in)	17 years	29 of 100 (Routine)
21 October 1919	Clydebank, AU	monthly rain	53.1 mm (2.1 in)	3.8 mm (0.15 in)	34 years	28 of 100 (Routine)
21 October 1919	Valencia Creek (Bulgar Park), AU	daily rain	31.2 mm (1.2 in)	17.5 mm (0.7 in)	16 years	28 of 100 (Routine)
21 October 1919	Edmonton, CA	daily snowfall	20.1 cm (7.9 in)	12.5 cm (4.9 in)	10 years	27 of 100 (Routine)
21 October 1919	Toongabbie, AU	daily rain	29.0 mm (1.1 in)	13.0 mm (0.5 in)	17 years	26 of 100 (Routine)
21 October 1919	Rosedale, AU	daily rain	34.3 mm (1.4 in)	8.4 mm (0.33 in)	35 years	25 of 100 (Routine)
21 October 1919	Port Dover, CA	daily rain	25.7 mm (1.0 in)	13.3 mm (0.5 in)	14 years	23 of 100 (Routine)
21 October 1919	Bairnsdale 1, AU	daily rain	33.8 mm (1.3 in)	6.6 mm (0.26 in)	36 years	22 of 100 (Routine)
21 October 1919	Warragul, AU	daily rain	27.2 mm (1.1 in)	12.0 mm (0.5 in)	17 years	22 of 100 (Routine)
21 October 1919	Walhalla, AU	daily rain	30.0 mm (1.2 in)	10.4 mm (0.4 in)	25 years	21 of 100 (Routine)
21 October 1919	Durdidwarrah, AU	daily rain	23.4 mm (0.9 in)	16.0 mm (0.6 in)	1 year	20 of 100 (Routine)
21 October 1919	Edmonton, CA	daily rain	20.1 mm (0.8 in)	12.5 mm (0.5 in)	10 years	20 of 100 (Routine)
21 October 1919	Yarram, AU	daily rain	21.8 mm (0.9 in)	11.4 mm (0.4 in)	16 years	20 of 100 (Routine)
21 October 1919	Wilmington, AU	daily rain	12.2 mm (0.5 in)	10.9 mm (0.4 in)	32 years	20 of 100 (Routine)
21 October 1919	Yan Yean, AU	daily rain	21.6 mm (0.9 in)	5.1 mm (0.20 in)	38 years	20 of 100 (Routine)
21 October 1919	Sunbury (Salesian College ), AU	daily rain	13.0 mm (0.5 in)	5.9 mm (0.23 in)	37 years	20 of 100 (Routine)
21 October 1919	Auburn, AU	daily rain	11.7 mm (0.5 in)	6.1 mm (0.24 in)	28 years	20 of 100 (Routine)

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 1919

Records set or tied on this calendar date in each year from 1795 to 1919. 1919 had 102 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 1919-10-21: 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 20	86
20 to 40	3
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1