Weather Records on 21 January 1918

49 weather records were set or tied worldwide on 21 January 1918. Highest significance: Langmorn, AU.

Key Facts for 21 January 1918

On 21 January 1918, 49 weather records were set or tied at long-record stations worldwide.
12 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 48 daily.
Langmorn set a daily record precipitation of 145.3 mm (5.7 in) on 21 January 1918.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

49 stations

49 station records on 21 January 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 January 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Langmorn	Australia	Record daily precipitation	145.3 mm (5.7 in)	45 of 100 (Notable)
Little Rock St Capitol	United States	Record snow depth	38.1 cm (15.0 in)	42 of 100 (Notable)
Nebo	Australia	Record daily precipitation	116.8 mm (4.6 in)	38 of 100 (Notable)
Little Rock St Capitol	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Rockhampton Post Office	Australia	Record daily precipitation	115.8 mm (4.6 in)	28 of 100 (Routine)
Woodford Post Office	Australia	Record daily precipitation	84.6 mm (3.3 in)	27 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	-8.3 C (17.1 F)	21 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	5.8 mm (0.23 in)	20 of 100 (Routine)
Morgantown 1	United States	Record low minimum temperature	-20.6 C (-5.1 F)	18 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Marlborough Post Office	Australia	Record daily precipitation	82.6 mm (3.3 in)	17 of 100 (Routine)
Malvern	United States	Record low maximum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Newport	United States	Record low maximum temperature	-8.9 C (16.0 F)	17 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	-4.4 C (24.1 F)	17 of 100 (Routine)
Hewitt	United States	Record daily snowfall	1.3 cm (0.5 in)	17 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Brisbane Regional Office	Australia	Record low maximum temperature	21.3 C (70.3 F)	16 of 100 (Routine)
Welland	Canada	Record low minimum temperature	-20.0 C (-4.0 F)	16 of 100 (Routine)
Vineland	United States	Record low minimum temperature	-17.8 C (0.0 F)	15 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	-2.8 C (27.0 F)	15 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	2.8 C (37.0 F)	14 of 100 (Routine)
Harrisburg - Coop	United States	Record low minimum temperature	-14.4 C (6.1 F)	14 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	106.2 mm (4.2 in)	13 of 100 (Routine)
Uccle	Belgium	Record high minimum temperature	9.1 C (48.4 F)	13 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	-4.4 C (24.1 F)	13 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	10.6 C (51.1 F)	12 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	6.9 C (44.4 F)	12 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	-18.9 C (-2.0 F)	12 of 100 (Routine)
Harrisburg - Coop	United States	Record low maximum temperature	-5.6 C (21.9 F)	12 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	-13.3 C (8.1 F)	12 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	8.0 mm (0.31 in)	11 of 100 (Routine)
Houston Wb City	United States	Record low minimum temperature	-2.2 C (28.0 F)	11 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	-11.1 C (12.0 F)	11 of 100 (Routine)
Belle Isle	Canada	Record high minimum temperature	-5.6 C (21.9 F)	10 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	4.3 C (39.7 F)	9 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	14.6 C (58.3 F)	9 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	5.7 C (42.3 F)	9 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	13.5 C (56.3 F)	8 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	12.0 C (53.6 F)	8 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	-3.3 C (26.1 F)	6 of 100 (Routine)
Astana	Kazakhstan	Record daily precipitation	4.6 mm (0.18 in)	4 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	-8.3 C (17.1 F)	3 of 100 (Routine)
Cet Central England	United Kingdom	Record high maximum temperature	11.5 C (52.7 F)	3 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low minimum temperature	-17.8 C (0.0 F)	3 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	-3.9 C (25.0 F)	3 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	3.0 C (37.4 F)	2 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	0.0 C (32.0 F)	2 of 100 (Routine)
State College	United States	Record low minimum temperature	-17.8 C (0.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

49 records

Records set or tied on 21 January 1918 by type: Highest daily maximum 5, Lowest daily maximum 14, Highest daily minimum 7, Lowest daily minimum 10, Heaviest daily rainfall 10, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 21 January 1918 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	14
Highest daily minimum	7
Lowest daily minimum	10
Heaviest daily rainfall	10
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 21 January 1918 by timescale: all-time 1, monthly 0, daily 48.

How Much Records Were Beaten By

42 broken records

Margins by which the 42 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.3. Ties are not counted.

Top 20 by Significance

21 January 1918

Top 20 records on 21 January 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 1918	Langmorn, AU	daily rain	145.3 mm (5.7 in)	127.3 mm (5.0 in)	8 years	45 of 100 (Notable)
21 January 1918	Little Rock St Capitol, US	all-time snow depth	38.1 cm (15.0 in)	10.2 cm (4.0 in)	0 years	42 of 100 (Notable)
21 January 1918	Nebo, AU	daily rain	116.8 mm (4.6 in)	75.4 mm (3.0 in)	4 years	38 of 100 (Notable)
21 January 1918	Little Rock St Capitol, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	41 years	32 of 100 (Routine)
21 January 1918	Rockhampton Post Office, AU	daily rain	115.8 mm (4.6 in)	59.4 mm (2.3 in)	18 years	28 of 100 (Routine)
21 January 1918	Woodford Post Office, AU	daily rain	84.6 mm (3.3 in)	47.0 mm (1.9 in)	24 years	27 of 100 (Routine)
21 January 1918	Little Rock St Capitol, US	daily low max	-8.3 C (17.1 F)	5.0 C (9.0 F)	34 years	21 of 100 (Routine)
21 January 1918	Nidingen A, SE	daily rain	13.7 mm (0.5 in)	4.2 mm (0.17 in)	29 years	20 of 100 (Routine)
21 January 1918	Tobolsk, RU	daily rain	5.8 mm (0.23 in)	2.2 mm (0.09 in)	25 years	20 of 100 (Routine)
21 January 1918	Morgantown 1, US	daily low min	-20.6 C (-5.1 F)	5.0 C (9.0 F)	24 years	18 of 100 (Routine)
21 January 1918	Chattanooga Wb City, US	daily low max	-2.8 C (27.0 F)	2.8 C (5.0 F)	33 years	18 of 100 (Routine)
21 January 1918	Marlborough Post Office, AU	daily rain	82.6 mm (3.3 in)	35.6 mm (1.4 in)	8 years	17 of 100 (Routine)
21 January 1918	Malvern, US	daily low max	0.6 C (33.1 F)	6.1 C (11.0 F)	16 years	17 of 100 (Routine)
21 January 1918	Newport, US	daily low max	-8.9 C (16.0 F)	5.0 C (9.0 F)	25 years	17 of 100 (Routine)
21 January 1918	Cape May 2 NW, US	daily low max	-4.4 C (24.1 F)	1.6 C (2.9 F)	33 years	17 of 100 (Routine)
21 January 1918	Hewitt, US	daily snowfall	1.3 cm (0.5 in)	1.3 cm (0.5 in)	37 years	17 of 100 (Routine)
21 January 1918	Houston Wb City, US	daily low max	1.1 C (34.0 F)	4.5 C (8.1 F)	25 years	17 of 100 (Routine)
21 January 1918	Brisbane Regional Office, AU	daily low max	21.3 C (70.3 F)	1.8 C (3.2 F)	24 years	16 of 100 (Routine)
21 January 1918	Welland, CA	daily low min	-20.0 C (-4.0 F)	2.2 C (4.0 F)	32 years	16 of 100 (Routine)
21 January 1918	Vineland, US	daily low min	-17.8 C (0.0 F)	1.7 C (3.1 F)	29 years	15 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 1918

Records set or tied on this calendar date in each year from 1793 to 1918. 1918 had 49 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 1918-01-21: 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	34
20 to 40	2
40 to 60	2
60 to 80	1
80 to 100	0
100 to 120	2
120 to 140	1