Weather Records on 21 January 1917

83 weather records were set or tied worldwide on 21 January 1917. Highest significance: Chatham 2, CA.

Key Facts for 21 January 1917

On 21 January 1917, 83 weather records were set or tied at long-record stations worldwide.
2 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 80 daily.
Chatham 2 set a daily record snowfall of 25.4 cm (10.0 in) on 21 January 1917.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

83 stations

83 station records on 21 January 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 January 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chatham 2	Canada	Record daily snowfall	25.4 cm (10.0 in)	38 of 100 (Notable)
Plauen	Germany	Record snow depth	20.0 cm (7.9 in)	35 of 100 (Notable)
Green Bay	United States	Record daily snowfall	17.3 cm (6.8 in)	31 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	40.9 mm (1.6 in)	31 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Cottam	Canada	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Walcha Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	23 of 100 (Routine)
Jonkoping	Sweden	Record low maximum temperature	-10.5 C (13.1 F)	23 of 100 (Routine)
Skara 1	Sweden	Record low maximum temperature	-13.0 C (8.6 F)	23 of 100 (Routine)
Goondiwindi Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	-9.1 C (15.6 F)	22 of 100 (Routine)
Chatham 2	Canada	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-17.0 C (1.4 F)	21 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low maximum temperature	-14.5 C (5.9 F)	21 of 100 (Routine)
Moorestown 4 E	United States	Record daily snowfall	7.1 cm (2.8 in)	21 of 100 (Routine)
Huron Rgnl AP	United States	Record daily precipitation	27.7 mm (1.1 in)	21 of 100 (Routine)
La Crosse Wb City	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	7.2 mm (0.28 in)	20 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily snowfall	4.6 cm (1.8 in)	20 of 100 (Routine)
Mount Poole	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Wentworth (Cuthero)	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Escanaba	United States	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Boras	Sweden	Record low minimum temperature	-23.0 C (-9.4 F)	20 of 100 (Routine)
Karlshamn	Sweden	Record low minimum temperature	-16.5 C (2.3 F)	19 of 100 (Routine)
Vanersborg	Sweden	Record low maximum temperature	-11.0 C (12.2 F)	19 of 100 (Routine)
Washington	United States	Record daily snowfall	2.0 cm (0.8 in)	19 of 100 (Routine)
Tambo Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	18 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-17.0 C (1.4 F)	18 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	-10.5 C (13.1 F)	18 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	10.4 mm (0.4 in)	17 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	11.4 mm (0.4 in)	17 of 100 (Routine)
Tulloona (Coolanga)	Australia	Record daily precipitation	37.3 mm (1.5 in)	17 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	-15.6 C (3.9 F)	17 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	-9.8 C (14.4 F)	17 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	-7.5 C (18.5 F)	17 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	-18.5 C (-1.3 F)	17 of 100 (Routine)
Vanersborg	Sweden	Record low minimum temperature	-17.0 C (1.4 F)	17 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	-22.5 C (-8.5 F)	17 of 100 (Routine)
Orebro	Sweden	Record low maximum temperature	-13.5 C (7.7 F)	17 of 100 (Routine)
Winnemucca AP	United States	Record daily snowfall	3.8 cm (1.5 in)	17 of 100 (Routine)
Charleville Post Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	16 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	-10.5 C (13.1 F)	16 of 100 (Routine)
Green Bay	United States	Record daily precipitation	21.3 mm (0.8 in)	16 of 100 (Routine)
Thargomindah Post Office	Australia	Record daily precipitation	6.1 mm (0.24 in)	15 of 100 (Routine)
Orebro	Sweden	Record low minimum temperature	-22.0 C (-7.6 F)	15 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low minimum temperature	-22.0 C (-7.6 F)	15 of 100 (Routine)
Philadelphia City	United States	Record daily snowfall	8.6 cm (3.4 in)	15 of 100 (Routine)
Bungonia (Inverary Park)	Australia	Record daily precipitation	27.2 mm (1.1 in)	14 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low minimum temperature	-16.5 C (2.3 F)	14 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-14.0 C (6.8 F)	14 of 100 (Routine)
Sheffield	United Kingdom	Record low maximum temperature	0.6 C (33.1 F)	14 of 100 (Routine)
Cultowa	Australia	Record daily precipitation	2.5 mm (0.10 in)	13 of 100 (Routine)
Temora Ambulance Station	Australia	Record daily precipitation	14.0 mm (0.6 in)	13 of 100 (Routine)
Hillston (Cowl Cowl)	Australia	Record daily precipitation	3.8 mm (0.15 in)	13 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-18.5 C (-1.3 F)	13 of 100 (Routine)
Halmstad	Sweden	Record low maximum temperature	-6.0 C (21.2 F)	13 of 100 (Routine)
Stockholm	Sweden	Record low minimum temperature	-16.0 C (3.2 F)	13 of 100 (Routine)
Madison Wb City	United States	Record daily snowfall	11.2 cm (4.4 in)	13 of 100 (Routine)
Dubuque River	United States	Record daily snowfall	9.1 cm (3.6 in)	13 of 100 (Routine)

Counts by Type and Timescale

83 records

Records set or tied on 21 January 1917 by type: Lowest daily maximum 15, Highest daily minimum 2, Lowest daily minimum 13, Heaviest daily rainfall 39, Heaviest daily snowfall 12, Deepest snow cover 2.

Records on 21 January 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	15
Highest daily minimum	2
Lowest daily minimum	13
Heaviest daily rainfall	39
Heaviest daily snowfall	12
Deepest snow cover	2

Records on 21 January 1917 by timescale: all-time 0, monthly 3, daily 80.

How Much Records Were Beaten By

79 broken records

Margins by which the 79 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

21 January 1917

Top 20 records on 21 January 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 1917	Chatham 2, CA	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	13 years	38 of 100 (Notable)
21 January 1917	Plauen, DE	daily snow depth	20.0 cm (7.9 in)	13.0 cm (5.1 in)	16 years	35 of 100 (Notable)
21 January 1917	Green Bay, US	daily snowfall	17.3 cm (6.8 in)	12.2 cm (4.8 in)	13 years	31 of 100 (Routine)
21 January 1917	Lexington Bluegrass AP, US	daily rain	40.9 mm (1.6 in)	22.4 mm (0.9 in)	21 years	31 of 100 (Routine)
21 January 1917	Milparinka Hotel, AU	daily rain	29.2 mm (1.1 in)	25.1 mm (1.0 in)	21 years	30 of 100 (Routine)
21 January 1917	Morris W Cntrl Rsch & Outreach, US	monthly rain	25.4 mm (1.0 in)	2.5 mm (0.10 in)	28 years	27 of 100 (Routine)
21 January 1917	Cottam, CA	daily rain	38.1 mm (1.5 in)	15.2 mm (0.6 in)	13 years	26 of 100 (Routine)
21 January 1917	Walcha Post Office, AU	daily rain	49.0 mm (1.9 in)	16.5 mm (0.6 in)	29 years	23 of 100 (Routine)
21 January 1917	Jonkoping, SE	daily low max	-10.5 C (13.1 F)	6.1 C (11.0 F)	14 years	23 of 100 (Routine)
21 January 1917	Skara 1, SE	daily low max	-13.0 C (8.6 F)	6.5 C (11.7 F)	19 years	23 of 100 (Routine)
21 January 1917	Goondiwindi Post Office, AU	daily rain	48.3 mm (1.9 in)	21.1 mm (0.8 in)	21 years	22 of 100 (Routine)
21 January 1917	Nikolaevsk-Na-Amure, RU	daily high min	-9.1 C (15.6 F)	8.1 C (14.6 F)	23 years	22 of 100 (Routine)
21 January 1917	Chatham 2, CA	daily rain	25.4 mm (1.0 in)	10.2 mm (0.4 in)	13 years	21 of 100 (Routine)
21 January 1917	Kristianstad, SE	daily low min	-17.0 C (1.4 F)	5.5 C (9.9 F)	24 years	21 of 100 (Routine)
21 January 1917	Vasteras-Hasslo, SE	daily low max	-14.5 C (5.9 F)	6.0 C (10.8 F)	14 years	21 of 100 (Routine)
21 January 1917	Moorestown 4 E, US	daily snowfall	7.1 cm (2.8 in)	0.7 cm (0.3 in)	51 years	21 of 100 (Routine)
21 January 1917	Huron Rgnl AP, US	monthly rain	27.7 mm (1.1 in)	1.0 mm (0.04 in)	20 years	21 of 100 (Routine)
21 January 1917	La Crosse Wb City, US	daily rain	20.1 mm (0.8 in)	14.5 mm (0.6 in)	21 years	20 of 100 (Routine)
21 January 1917	Gorki, BY	daily rain	7.2 mm (0.28 in)	3.4 mm (0.13 in)	29 years	20 of 100 (Routine)
21 January 1917	Ny City Cntrl Park, US	daily snowfall	4.6 cm (1.8 in)	3.6 cm (1.4 in)	45 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

1793 to 1917

Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 83 records.

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

Records on 01-21 in each year
Year	Records
1793	1
1795	2
1796	1
1798	1
1800	2
1803	1
1804	2
1829	1
1838	3
1840	2
1845	2
1846	1
1850	2
1864	2
1866	4
1867	1
1869	1
1871	1
1873	2
1876	1
1878	4
1880	3
1881	4
1884	1
1885	1
1886	1
1888	3
1890	2
1891	3
1892	2
1893	1
1894	3
1895	2
1896	2
1897	3
1898	3
1899	15
1900	5
1901	4
1902	8
1903	18
1904	30
1905	3
1906	53
1907	10
1908	11
1909	25
1910	11
1911	8
1912	7
1913	23
1914	37
1915	47
1916	38
1917	83
1918	49
1919	14
1920	75
1921	54
1922	35
1923	62
1924	535
1925	103
1926	157
1927	447
1928	206
1929	132
1930	616
1931	112
1932	167
1933	572
1934	255
1935	771
1936	314
1937	852
1938	250
1939	305
1940	562
1941	205
1942	522
1943	1,168
1944	324
1945	290
1946	339
1947	205
1948	387
1949	452
1950	643
1951	367
1952	436
1953	325
1954	1,094
1955	399
1956	653
1957	527
1958	506
1959	936
1960	319
1961	746
1962	741
1963	761
1964	771
1965	251
1966	636
1967	511
1968	1,179
1969	927
1970	1,770
1971	672
1972	598
1973	573
1974	992
1975	496
1976	860
1977	549
1978	1,301
1979	1,675
1980	425
1981	972
1982	1,339
1983	1,179
1984	2,132
1985	2,457
1986	883
1987	934
1988	771
1989	511
1990	927
1991	559
1992	447
1993	1,763
1994	1,195
1995	1,276
1996	528
1997	950
1998	606
1999	1,387
2000	686
2001	736
2002	796
2003	690
2004	535
2005	1,111
2006	1,116
2007	1,955
2008	1,061
2009	788
2010	1,166
2011	836
2012	1,148
2013	455
2014	522
2015	426
2016	580
2017	1,248
2018	664
2019	526
2020	894
2021	626
2022	430
2023	517
2024	1,015
2025	1,386
2026	201

Download the Data

Data for records on 1917-01-21: 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	66
20 to 40	7
40 to 60	3
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	2
140 to 160	1