Weather Records on 21 October 1916

70 weather records were set or tied worldwide on 21 October 1916. Highest significance: Heathcote, AU.

Key Facts for 21 October 1916

On 21 October 1916, 70 weather records were set or tied at long-record stations worldwide.
7 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 69 daily.
Heathcote set a daily record precipitation of 55.4 mm (2.2 in) on 21 October 1916.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 422 records.

Record Map

70 stations

70 station records on 21 October 1916 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1916: highest significance records shown on the map
Station	Country	Type	Value	Significance
Heathcote	Australia	Record daily precipitation	55.4 mm (2.2 in)	53 of 100 (Notable)
Uman	Ukraine	Record daily precipitation	25.8 mm (1.0 in)	51 of 100 (Notable)
Brinkworth (Anama Park)	Australia	Record daily precipitation	29.5 mm (1.2 in)	50 of 100 (Notable)
Dinby	Australia	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Jena Sternwarte	Germany	Record low maximum temperature	1.5 C (34.7 F)	31 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Netley	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Marree Comparison	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Vasilevici	Belarus	Record daily precipitation	21.4 mm (0.8 in)	20 of 100 (Routine)
Gammon Ranges (Wooltana)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Bundaleer Forest Reserve	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	-5.0 C (23.0 F)	20 of 100 (Routine)
Arrowie	Australia	Record daily precipitation	20.6 mm (0.8 in)	18 of 100 (Routine)
Mount Poole	Australia	Record daily precipitation	4.6 mm (0.18 in)	18 of 100 (Routine)
Bute (Ninnes)	Australia	Record daily precipitation	14.7 mm (0.6 in)	17 of 100 (Routine)
Karumba Pilot Station	Australia	Record daily precipitation	1.0 mm (0.04 in)	17 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low minimum temperature	-11.6 C (11.1 F)	17 of 100 (Routine)
Port Augusta Post Office	Australia	Record daily precipitation	22.1 mm (0.9 in)	16 of 100 (Routine)
Port Germein (Telowie)	Australia	Record daily precipitation	14.2 mm (0.6 in)	16 of 100 (Routine)
Curnomona (Curnamona)	Australia	Record daily precipitation	3.3 mm (0.13 in)	16 of 100 (Routine)
Thargomindah Post Office	Australia	Record daily precipitation	3.3 mm (0.13 in)	15 of 100 (Routine)
Jokkmokk	Sweden	Record low minimum temperature	-19.3 C (-2.7 F)	15 of 100 (Routine)
Coondambo	Australia	Record daily precipitation	7.1 mm (0.28 in)	14 of 100 (Routine)
Yudnapinna	Australia	Record daily precipitation	2.3 mm (0.09 in)	14 of 100 (Routine)
Hawker	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low maximum temperature	-5.4 C (22.3 F)	14 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	5.6 mm (0.22 in)	13 of 100 (Routine)
Quorn (Olive Grove)	Australia	Record daily precipitation	1.8 mm (0.07 in)	13 of 100 (Routine)
Hawker (Warcowie)	Australia	Record daily precipitation	4.1 mm (0.16 in)	13 of 100 (Routine)
Collarenebri (Albert St)	Australia	Record daily precipitation	20.3 mm (0.8 in)	13 of 100 (Routine)
Karlsruhe	Germany	Record low maximum temperature	3.2 C (37.8 F)	13 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	4.0 C (39.2 F)	13 of 100 (Routine)
Koolunga	Australia	Record daily precipitation	4.3 mm (0.17 in)	12 of 100 (Routine)
Willeroon	Australia	Record daily precipitation	5.3 mm (0.21 in)	12 of 100 (Routine)
Galway	Ireland	Record high minimum temperature	14.4 C (57.9 F)	12 of 100 (Routine)
Gogland	Russia	Record daily precipitation	6.4 mm (0.25 in)	12 of 100 (Routine)
Kremsmuenster	Austria	Record low maximum temperature	2.8 C (37.0 F)	11 of 100 (Routine)
Vestervig	Denmark	Record low minimum temperature	-1.5 C (29.3 F)	11 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	1.4 C (34.5 F)	11 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	6.2 mm (0.24 in)	11 of 100 (Routine)
San Diego Wbo	United States	Record low maximum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Charlotte Waters	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	4.1 C (39.4 F)	10 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	16.3 mm (0.6 in)	10 of 100 (Routine)
Halmstad	Sweden	Record low maximum temperature	3.0 C (37.4 F)	10 of 100 (Routine)
Yardea	Australia	Record daily precipitation	3.3 mm (0.13 in)	9 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily snowfall	4.8 cm (1.9 in)	9 of 100 (Routine)
Yarmouth	Canada	Record high minimum temperature	12.2 C (54.0 F)	9 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	-2.8 C (27.0 F)	9 of 100 (Routine)
Blinman	Australia	Record daily precipitation	3.8 mm (0.15 in)	8 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	3.6 C (38.5 F)	8 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	13.9 C (57.0 F)	8 of 100 (Routine)
Woomera (Oakden Hills)	Australia	Record daily precipitation	3.0 mm (0.12 in)	7 of 100 (Routine)
Old Baratta Homestead	Australia	Record daily precipitation	3.8 mm (0.15 in)	7 of 100 (Routine)
Innsbruck	Austria	Record low maximum temperature	4.2 C (39.6 F)	7 of 100 (Routine)
Paris	Canada	Record daily precipitation	14.7 mm (0.6 in)	7 of 100 (Routine)

Counts by Type and Timescale

70 records

Records set or tied on 21 October 1916 by type: Highest daily maximum 2, Lowest daily maximum 19, Highest daily minimum 5, Lowest daily minimum 3, Heaviest daily rainfall 40, Heaviest daily snowfall 1.

Records on 21 October 1916 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	19
Highest daily minimum	5
Lowest daily minimum	3
Heaviest daily rainfall	40
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 21 October 1916 by timescale: all-time 0, monthly 1, daily 69.

How Much Records Were Beaten By

65 broken records

Margins by which the 65 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.0. Ties are not counted.

Top 20 by Significance

21 October 1916

Top 20 records on 21 October 1916 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1916	Heathcote, AU	daily rain	55.4 mm (2.2 in)	43.0 mm (1.7 in)	33 years	53 of 100 (Notable)
21 October 1916	Uman, UA	daily rain	25.8 mm (1.0 in)	22.6 mm (0.9 in)	29 years	51 of 100 (Notable)
21 October 1916	Brinkworth (Anama Park), AU	daily rain	29.5 mm (1.2 in)	26.2 mm (1.0 in)	25 years	50 of 100 (Notable)
21 October 1916	Dinby, AU	daily rain	33.5 mm (1.3 in)	31.0 mm (1.2 in)	15 years	34 of 100 (Routine)
21 October 1916	Jena Sternwarte, DE	daily low max	1.5 C (34.7 F)	1.8 C (3.2 F)	65 years	31 of 100 (Routine)
21 October 1916	Anna Creek, AU	daily rain	19.8 mm (0.8 in)	19.8 mm (0.8 in)	31 years	20 of 100 (Routine)
21 October 1916	Netley, AU	daily rain	23.4 mm (0.9 in)	23.4 mm (0.9 in)	30 years	20 of 100 (Routine)
21 October 1916	Port Augusta (Carriewerloo STN, AU	daily rain	16.5 mm (0.6 in)	16.5 mm (0.6 in)	31 years	20 of 100 (Routine)
21 October 1916	Yanco Glen (Corona Homestead), AU	daily rain	17.5 mm (0.7 in)	14.5 mm (0.6 in)	18 years	20 of 100 (Routine)
21 October 1916	Marree Comparison, AU	daily rain	9.7 mm (0.38 in)	9.7 mm (0.38 in)	30 years	20 of 100 (Routine)
21 October 1916	Vasilevici, BY	daily rain	21.4 mm (0.8 in)	9.6 mm (0.38 in)	19 years	20 of 100 (Routine)
21 October 1916	Gammon Ranges (Wooltana), AU	daily rain	15.2 mm (0.6 in)	14.7 mm (0.6 in)	13 years	20 of 100 (Routine)
21 October 1916	Tilcha, AU	daily rain	11.9 mm (0.5 in)	9.6 mm (0.38 in)	25 years	20 of 100 (Routine)
21 October 1916	Bundaleer Forest Reserve, AU	daily rain	20.6 mm (0.8 in)	14.5 mm (0.6 in)	6 years	20 of 100 (Routine)
21 October 1916	Second Valley (Spring Grove), AU	daily rain	16.5 mm (0.6 in)	4.8 mm (0.19 in)	31 years	20 of 100 (Routine)
21 October 1916	Sveg, SE	daily low max	-5.0 C (23.0 F)	4.0 C (7.2 F)	30 years	20 of 100 (Routine)
21 October 1916	Arrowie, AU	daily rain	20.6 mm (0.8 in)	9.9 mm (0.39 in)	3 years	18 of 100 (Routine)
21 October 1916	Mount Poole, AU	daily rain	4.6 mm (0.18 in)	4.6 mm (0.18 in)	37 years	18 of 100 (Routine)
21 October 1916	Bute (Ninnes), AU	daily rain	14.7 mm (0.6 in)	4.5 mm (0.18 in)	25 years	17 of 100 (Routine)
21 October 1916	Karumba Pilot Station, AU	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	42 years	17 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 1916

Records set or tied on this calendar date in each year from 1795 to 1916. 1916 had 70 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 1916-10-21: 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).

Histogram of margins by which records were beaten on 21 October 1916
Margin	Records
0 to 10	54
10 to 20	6
20 to 30	3
30 to 40	1
40 to 50	1