Weather Records on 15 October 1921

160 weather records were set or tied worldwide on 15 October 1921. Highest significance: Rockhampton Post Office, AU.

Key Facts for 15 October 1921

On 15 October 1921, 160 weather records were set or tied at long-record stations worldwide.
10 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 158 daily.
Rockhampton Post Office set a daily record precipitation of 69.1 mm (2.7 in) on 15 October 1921.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 462 records.

Record Map

160 stations

160 station records on 15 October 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rockhampton Post Office	Australia	Record daily precipitation	69.1 mm (2.7 in)	50 of 100 (Notable)
Warwick Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	18.8 C (65.8 F)	41 of 100 (Notable)
Alexandra (Post Office)	Australia	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Stradbroke Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Yarram	Australia	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Port Albert	Australia	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Boomanoomana	Australia	Record daily precipitation	29.5 mm (1.2 in)	33 of 100 (Routine)
Goolgumbla	Australia	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Hay (Illilawa)	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Coranderrk Badger Weir	Australia	Record daily precipitation	33.3 mm (1.3 in)	33 of 100 (Routine)
Lake Eildon	Australia	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Irvinebank	Australia	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
Katandra North	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Steam Plains 2	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Warragul	Australia	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)
Rennie (Pine View)	Australia	Record daily precipitation	33.5 mm (1.3 in)	30 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Woodside	Australia	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Blackwarry	Australia	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Foster (Post Office)	Australia	Record daily precipitation	56.6 mm (2.2 in)	29 of 100 (Routine)
Jerilderie (Yanko Station)	Australia	Record daily precipitation	30.7 mm (1.2 in)	28 of 100 (Routine)
Goulburn River @ Shepparton	Australia	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Sale	Australia	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Boxwood	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Collendina	Australia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Chiltern (Post Office)	Australia	Record daily precipitation	37.3 mm (1.5 in)	26 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	38.4 mm (1.5 in)	26 of 100 (Routine)
Yackandandah	Australia	Record daily precipitation	43.9 mm (1.7 in)	25 of 100 (Routine)
Maffra Shire Hall	Australia	Record daily precipitation	29.7 mm (1.2 in)	25 of 100 (Routine)
Corowa Airport	Australia	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Beechworth Composite	Australia	Record daily precipitation	42.9 mm (1.7 in)	24 of 100 (Routine)
San Remo	Australia	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Milan	Italy	Record high maximum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Mundoolin	Australia	Record daily precipitation	31.2 mm (1.2 in)	23 of 100 (Routine)
Tungamah	Australia	Record daily precipitation	26.7 mm (1.1 in)	23 of 100 (Routine)
Wangaratta	Australia	Record daily precipitation	34.8 mm (1.4 in)	23 of 100 (Routine)
Buchan	Australia	Record daily precipitation	30.5 mm (1.2 in)	23 of 100 (Routine)
Benalla (Shadforth Street)	Australia	Record daily precipitation	31.8 mm (1.3 in)	22 of 100 (Routine)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	32.8 mm (1.3 in)	22 of 100 (Routine)
Rutherglen Netherby Wine	Australia	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)
Outtrim	Australia	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Numurkah Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Steam Plains 1	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Carrathool (Uardry)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Smeaton Weir	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Burrumbuttock (Holyrood)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Edenhope (Post Office)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Yarroweyah	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Nagambie Cba	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Mornington	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Fryerstown	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Malmsbury Reservoir	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Thornborough	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Mackay Post Office	Australia	Record high maximum temperature	33.1 C (91.6 F)	20 of 100 (Routine)
Gulargambone (Yalcogrin St)	Australia	Record daily precipitation	29.2 mm (1.1 in)	20 of 100 (Routine)
Tenterfield (Federation Park)	Australia	Record daily precipitation	29.2 mm (1.1 in)	20 of 100 (Routine)

Counts by Type and Timescale

160 records

Records set or tied on 15 October 1921 by type: Highest daily maximum 7, Lowest daily maximum 1, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 147.

Records on 15 October 1921 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	1
Highest daily minimum	3
Lowest daily minimum	2
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 October 1921 by timescale: all-time 0, monthly 2, daily 158.

How Much Records Were Beaten By

154 broken records

Margins by which the 154 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.2. Ties are not counted.

Top 20 by Significance

15 October 1921

Top 20 records on 15 October 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1921	Rockhampton Post Office, AU	daily rain	69.1 mm (2.7 in)	60.2 mm (2.4 in)	18 years	50 of 100 (Notable)
15 October 1921	Warwick Post Office, AU	daily rain	43.2 mm (1.7 in)	27.5 mm (1.1 in)	26 years	41 of 100 (Notable)
15 October 1921	Oxford, GB	daily high max	18.8 C (65.8 F)	0.5 C (0.9 F)	102 years	41 of 100 (Notable)
15 October 1921	Alexandra (Post Office), AU	daily rain	38.1 mm (1.5 in)	20.8 mm (0.8 in)	21 years	38 of 100 (Notable)
15 October 1921	Stradbroke Post Office, AU	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	16 years	37 of 100 (Notable)
15 October 1921	Yarram, AU	daily rain	32.3 mm (1.3 in)	17.6 mm (0.7 in)	8 years	37 of 100 (Notable)
15 October 1921	Port Albert, AU	monthly rain	45.7 mm (1.8 in)	4.6 mm (0.18 in)	46 years	36 of 100 (Notable)
15 October 1921	Boomanoomana, AU	daily rain	29.5 mm (1.2 in)	13.2 mm (0.5 in)	37 years	33 of 100 (Routine)
15 October 1921	Goolgumbla, AU	daily rain	31.0 mm (1.2 in)	18.3 mm (0.7 in)	29 years	33 of 100 (Routine)
15 October 1921	Hay (Illilawa), AU	daily rain	27.9 mm (1.1 in)	17.0 mm (0.7 in)	21 years	33 of 100 (Routine)
15 October 1921	Coranderrk Badger Weir, AU	daily rain	33.3 mm (1.3 in)	19.3 mm (0.8 in)	21 years	33 of 100 (Routine)
15 October 1921	Lake Eildon, AU	daily rain	35.6 mm (1.4 in)	19.1 mm (0.8 in)	21 years	33 of 100 (Routine)
15 October 1921	Irvinebank, AU	daily rain	33.8 mm (1.3 in)	24.1 mm (0.9 in)	30 years	32 of 100 (Routine)
15 October 1921	Katandra North, AU	daily rain	33.0 mm (1.3 in)	22.6 mm (0.9 in)	4 years	32 of 100 (Routine)
15 October 1921	Steam Plains 2, AU	daily rain	26.2 mm (1.0 in)	18.1 mm (0.7 in)	21 years	31 of 100 (Routine)
15 October 1921	Warragul, AU	daily rain	39.1 mm (1.5 in)	22.1 mm (0.9 in)	8 years	31 of 100 (Routine)
15 October 1921	Rennie (Pine View), AU	daily rain	33.5 mm (1.3 in)	19.0 mm (0.7 in)	21 years	30 of 100 (Routine)
15 October 1921	Walhalla, AU	daily rain	38.1 mm (1.5 in)	16.8 mm (0.7 in)	34 years	30 of 100 (Routine)
15 October 1921	Woodside, AU	daily rain	31.8 mm (1.3 in)	15.3 mm (0.6 in)	4 years	30 of 100 (Routine)
15 October 1921	Blackwarry, AU	daily rain	50.8 mm (2.0 in)	17.8 mm (0.7 in)	20 years	29 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

1794 to 1921

Records set or tied on this calendar date in each year from 1794 to 1921. 1921 had 160 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1921-10-15: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	109
10 to 20	38
20 to 30	6
30 to 40	0
40 to 50	0
50 to 60	0
60 to 70	1