Weather Records on 17 January 1921

70 weather records were set or tied worldwide on 17 January 1921. Highest significance: Boras, SE.

Key Facts for 17 January 1921

On 17 January 1921, 70 weather records were set or tied at long-record stations worldwide.
3 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 68 daily.
Boras set a daily record precipitation of 29.9 mm (1.2 in) on 17 January 1921.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 477 records.

Record Map

70 stations

70 station records on 17 January 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 January 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boras	Sweden	Record daily precipitation	29.9 mm (1.2 in)	49 of 100 (Notable)
Sacramento 5 ESE	United States	Record daily precipitation	48.3 mm (1.9 in)	26 of 100 (Routine)
Aramac Post Office	Australia	Record daily precipitation	60.2 mm (2.4 in)	23 of 100 (Routine)
Nerang Gilston Rd	Australia	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Visby_Flygplats	Sweden	Record daily precipitation	12.9 mm (0.5 in)	20 of 100 (Routine)
Jonkoping	Sweden	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Vanersborg	Sweden	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Groningen-1	Netherlands	Record daily precipitation	15.4 mm (0.6 in)	20 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Varberg	Sweden	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Husum	Germany	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Sheffield	United Kingdom	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	10.3 mm (0.4 in)	20 of 100 (Routine)
Sandvig	Denmark	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Vaexjoe	Sweden	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Soltau	Germany	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Karlshamn	Sweden	Record daily precipitation	12.5 mm (0.5 in)	20 of 100 (Routine)
Nordby (Fano)	Denmark	Record daily precipitation	12.6 mm (0.5 in)	20 of 100 (Routine)
Waren	Germany	Record daily precipitation	10.1 mm (0.4 in)	17 of 100 (Routine)
Wrixum/Fohr	Germany	Record daily precipitation	11.3 mm (0.4 in)	17 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record daily precipitation	6.5 mm (0.26 in)	17 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	6.0 mm (0.24 in)	17 of 100 (Routine)
Godegard	Sweden	Record daily precipitation	13.2 mm (0.5 in)	17 of 100 (Routine)
Alice Springs Post Office	Australia	Record low minimum temperature	12.2 C (54.0 F)	16 of 100 (Routine)
Charters Towers Post Office	Australia	Record daily precipitation	64.8 mm (2.6 in)	16 of 100 (Routine)
Bic	Canada	Record daily precipitation	17.8 mm (0.7 in)	16 of 100 (Routine)
Bamberg (Sternwarte)	Germany	Record daily precipitation	8.0 mm (0.31 in)	16 of 100 (Routine)
Hughenden Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	15 of 100 (Routine)
London South	Canada	Record daily snowfall	14.0 cm (5.5 in)	15 of 100 (Routine)
Vestervig	Denmark	Record daily precipitation	17.2 mm (0.7 in)	15 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	71.1 mm (2.8 in)	14 of 100 (Routine)
Bic	Canada	Record daily snowfall	17.8 cm (7.0 in)	14 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	10.9 mm (0.4 in)	14 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	10.0 mm (0.4 in)	14 of 100 (Routine)
Goldberg	Germany	Record daily precipitation	8.7 mm (0.34 in)	14 of 100 (Routine)
Ljungby	Sweden	Record daily precipitation	10.0 mm (0.4 in)	14 of 100 (Routine)
Cunnamulla Post Office	Australia	Record daily precipitation	3.3 mm (0.13 in)	13 of 100 (Routine)
Cudgen Plantation	Australia	Record daily precipitation	44.7 mm (1.8 in)	13 of 100 (Routine)
Anticosti West Point	Canada	Record daily precipitation	22.9 mm (0.9 in)	13 of 100 (Routine)
Anticosti West Point	Canada	Record daily snowfall	22.9 cm (9.0 in)	13 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	11.7 mm (0.5 in)	13 of 100 (Routine)
Sandgate Post Office	Australia	Record daily precipitation	41.1 mm (1.6 in)	12 of 100 (Routine)
Inverell Comparison	Australia	Record low minimum temperature	6.7 C (44.1 F)	12 of 100 (Routine)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	9.6 mm (0.38 in)	12 of 100 (Routine)
Kaisersbach-Cronhutte	Germany	Record daily precipitation	12.5 mm (0.5 in)	12 of 100 (Routine)
Muenster	Germany	Record daily precipitation	12.1 mm (0.5 in)	10 of 100 (Routine)
Collaroy Station	Australia	Record daily precipitation	38.4 mm (1.5 in)	9 of 100 (Routine)
Camden 1	United States	Record high maximum temperature	24.4 C (75.9 F)	9 of 100 (Routine)
Schwerin	Germany	Record daily precipitation	9.7 mm (0.38 in)	8 of 100 (Routine)
Gotska Sandon	Sweden	Record daily precipitation	6.5 mm (0.26 in)	8 of 100 (Routine)
Eversley	Australia	Record daily precipitation	6.6 mm (0.26 in)	7 of 100 (Routine)
Putten (Gld)	Netherlands	Record daily precipitation	8.7 mm (0.34 in)	7 of 100 (Routine)
Woodford Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	6 of 100 (Routine)
Muncheberg	Germany	Record daily precipitation	9.5 mm (0.37 in)	6 of 100 (Routine)

Counts by Type and Timescale

70 records

Records set or tied on 17 January 1921 by type: Highest daily maximum 2, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 3, Heaviest daily rainfall 58, Heaviest daily snowfall 4.

Records on 17 January 1921 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	2
Highest daily minimum	1
Lowest daily minimum	3
Heaviest daily rainfall	58
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 17 January 1921 by timescale: all-time 0, monthly 2, daily 68.

How Much Records Were Beaten By

63 broken records

Margins by which the 63 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

17 January 1921

Top 20 records on 17 January 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 January 1921	Boras, SE	daily rain	29.9 mm (1.2 in)	17.7 mm (0.7 in)	26 years	49 of 100 (Notable)
17 January 1921	Sacramento 5 ESE, US	daily rain	48.3 mm (1.9 in)	18.3 mm (0.7 in)	24 years	26 of 100 (Routine)
17 January 1921	Aramac Post Office, AU	daily rain	60.2 mm (2.4 in)	19.6 mm (0.8 in)	30 years	23 of 100 (Routine)
17 January 1921	Nerang Gilston Rd, AU	daily rain	76.2 mm (3.0 in)	37.3 mm (1.5 in)	16 years	23 of 100 (Routine)
17 January 1921	Vinga, SE	daily rain	18.0 mm (0.7 in)	13.0 mm (0.5 in)	26 years	20 of 100 (Routine)
17 January 1921	Visby_Flygplats, SE	daily rain	12.9 mm (0.5 in)	7.9 mm (0.31 in)	50 years	20 of 100 (Routine)
17 January 1921	Jonkoping, SE	daily rain	14.0 mm (0.6 in)	8.8 mm (0.35 in)	15 years	20 of 100 (Routine)
17 January 1921	Vanersborg, SE	daily rain	20.0 mm (0.8 in)	12.3 mm (0.5 in)	26 years	20 of 100 (Routine)
17 January 1921	Groningen-1, NL	daily rain	15.4 mm (0.6 in)	7.2 mm (0.28 in)	26 years	20 of 100 (Routine)
17 January 1921	Doberlug-Kirchhain, DE	daily rain	18.2 mm (0.7 in)	9.4 mm (0.37 in)	4 years	20 of 100 (Routine)
17 January 1921	Varberg, SE	monthly rain	24.0 mm (0.9 in)	5.2 mm (0.20 in)	10 years	20 of 100 (Routine)
17 January 1921	Skara 1, SE	daily rain	10.4 mm (0.4 in)	4.1 mm (0.16 in)	47 years	20 of 100 (Routine)
17 January 1921	Husum, DE	daily rain	17.6 mm (0.7 in)	7.0 mm (0.28 in)	26 years	20 of 100 (Routine)
17 January 1921	Teterow, DE	daily rain	16.5 mm (0.6 in)	8.6 mm (0.34 in)	4 years	20 of 100 (Routine)
17 January 1921	Sheffield, GB	daily rain	20.5 mm (0.8 in)	8.6 mm (0.34 in)	26 years	20 of 100 (Routine)
17 January 1921	Kristianstad, SE	daily rain	10.3 mm (0.4 in)	4.8 mm (0.19 in)	26 years	20 of 100 (Routine)
17 January 1921	Sandvig, DK	daily rain	11.2 mm (0.4 in)	5.2 mm (0.20 in)	15 years	20 of 100 (Routine)
17 January 1921	Vaexjoe, SE	daily rain	8.9 mm (0.35 in)	2.0 mm (0.08 in)	46 years	20 of 100 (Routine)
17 January 1921	West Terschelling, NL	daily rain	17.8 mm (0.7 in)	5.5 mm (0.22 in)	26 years	20 of 100 (Routine)
17 January 1921	Nidingen A, SE	monthly rain	20.8 mm (0.8 in)	0.6 mm (0.02 in)	31 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 1921

Records set or tied on this calendar date in each year from 1795 to 1921. 1921 had 70 records.

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

Records on 01-17 in each year
Year	Records
1795	1
1800	2
1802	1
1804	1
1805	2
1809	1
1812	1
1820	1
1826	2
1828	1
1838	2
1845	3
1854	1
1858	1
1861	1
1864	3
1865	1
1866	1
1869	1
1870	2
1871	1
1874	1
1875	1
1876	2
1877	1
1878	1
1880	1
1881	2
1883	3
1884	1
1885	2
1886	1
1888	1
1889	4
1890	2
1891	4
1893	5
1894	5
1895	3
1896	4
1897	6
1899	5
1900	5
1901	1
1902	4
1903	3
1904	9
1905	2
1906	19
1907	38
1908	10
1909	13
1910	21
1911	49
1912	8
1913	66
1914	13
1915	19
1916	47
1917	32
1918	37
1919	45
1920	148
1921	70
1922	25
1923	122
1924	278
1925	184
1926	118
1927	144
1928	309
1929	118
1930	942
1931	130
1932	489
1933	203
1934	120
1935	444
1936	377
1937	196
1938	323
1939	375
1940	566
1941	644
1942	601
1943	1,086
1944	333
1945	511
1946	1,089
1947	354
1948	613
1949	566
1950	731
1951	535
1952	773
1953	531
1954	632
1955	303
1956	431
1957	1,040
1958	555
1959	760
1960	657
1961	537
1962	625
1963	537
1964	450
1965	1,180
1966	275
1967	423
1968	400
1969	526
1970	931
1971	871
1972	884
1973	1,147
1974	1,327
1975	647
1976	717
1977	2,352
1978	1,458
1979	1,182
1980	601
1981	821
1982	1,899
1983	592
1984	888
1985	988
1986	848
1987	1,375
1988	751
1989	745
1990	1,986
1991	776
1992	958
1993	1,685
1994	1,805
1995	1,186
1996	1,353
1997	791
1998	832
1999	775
2000	1,060
2001	744
2002	505
2003	764
2004	1,245
2005	682
2006	1,055
2007	1,911
2008	1,114
2009	851
2010	876
2011	972
2012	847
2013	643
2014	548
2015	489
2016	458
2017	1,002
2018	1,273
2019	582
2020	828
2021	375
2022	1,022
2023	808
2024	1,585
2025	586
2026	370

Download the Data

Data for records on 1921-01-17: 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 20	58
20 to 40	4
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1