Weather Records on 18 July 1921

67 weather records were set or tied worldwide on 18 July 1921. Highest significance: Warragul, AU.

Key Facts for 18 July 1921

On 18 July 1921, 67 weather records were set or tied at long-record stations worldwide.
33 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 65 daily.
Warragul set a monthly record daily precipitation of 59.9 mm (2.4 in) on 18 July 1921.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

67 stations

67 station records on 18 July 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warragul	Australia	Record daily precipitation	59.9 mm (2.4 in)	55 of 100 (Notable)
Lakes Entrance Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Walhalla	Australia	Record daily precipitation	40.1 mm (1.6 in)	49 of 100 (Notable)
Cape Norman	Canada	Record daily precipitation	76.2 mm (3.0 in)	47 of 100 (Notable)
Lakefield	Canada	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Camden 3 W	United States	Record daily precipitation	54.6 mm (2.1 in)	28 of 100 (Routine)
Warburton	Australia	Record daily precipitation	27.7 mm (1.1 in)	26 of 100 (Routine)
Port Arthur	Canada	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	27.3 C (81.1 F)	23 of 100 (Routine)
Rokewood (Kuruc A Ruc)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Rokewood (the Meadows)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Bruthen (Post Office)	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	28.2 mm (1.1 in)	20 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	31.5 C (88.7 F)	20 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Orbost (Comparison)	Australia	Record daily precipitation	34.0 mm (1.3 in)	18 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	32.0 C (89.6 F)	18 of 100 (Routine)
Kologha (Bos)	South Africa	Record daily precipitation	12.4 mm (0.5 in)	18 of 100 (Routine)
Dohne (Sar)	South Africa	Record daily precipitation	5.1 mm (0.20 in)	18 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Horton	United States	Record daily precipitation	29.0 mm (1.1 in)	17 of 100 (Routine)
Astoria	United States	Record low minimum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	33.8 mm (1.3 in)	16 of 100 (Routine)
Arnsberg	Germany	Record high maximum temperature	30.0 C (86.0 F)	16 of 100 (Routine)
Lubeck-Werft	Germany	Record high maximum temperature	30.4 C (86.7 F)	16 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	12.7 mm (0.5 in)	15 of 100 (Routine)
Stockholm	Sweden	Record low minimum temperature	7.0 C (44.6 F)	15 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	23.3 C (73.9 F)	14 of 100 (Routine)
Edenhope (Post Office)	Australia	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Buchan	Australia	Record daily precipitation	17.3 mm (0.7 in)	13 of 100 (Routine)
Sunbury (Salesian College )	Australia	Record daily precipitation	12.2 mm (0.5 in)	13 of 100 (Routine)
Bamberg (Sternwarte)	Germany	Record daily precipitation	16.1 mm (0.6 in)	13 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Orebro	Sweden	Record low minimum temperature	7.3 C (45.1 F)	13 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	24.0 C (75.2 F)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record high minimum temperature	15.5 C (59.9 F)	13 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	8.0 C (46.4 F)	13 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	18.3 C (64.9 F)	12 of 100 (Routine)
Armagh	United Kingdom	Record high maximum temperature	27.1 C (80.8 F)	12 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	36.3 mm (1.4 in)	11 of 100 (Routine)
Port Stanley	Canada	Record high minimum temperature	21.7 C (71.1 F)	11 of 100 (Routine)
Muenster	Germany	Record high minimum temperature	18.7 C (65.7 F)	11 of 100 (Routine)
Schwerin	Germany	Record high maximum temperature	31.8 C (89.2 F)	11 of 100 (Routine)
Alma	United States	Record high minimum temperature	21.7 C (71.1 F)	11 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high maximum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record high maximum temperature	29.5 C (85.1 F)	10 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	24.6 mm (1.0 in)	10 of 100 (Routine)
Portarlington	Australia	Record daily precipitation	8.9 mm (0.35 in)	9 of 100 (Routine)
Tranebjerg	Denmark	Record high maximum temperature	27.3 C (81.1 F)	9 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	14.6 C (58.3 F)	9 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	20.0 C (68.0 F)	8 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record high maximum temperature	28.5 C (83.3 F)	8 of 100 (Routine)
Harnosand	Sweden	Record low minimum temperature	3.0 C (37.4 F)	6 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	19.4 C (66.9 F)	4 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	18.4 C (65.1 F)	4 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	11.9 mm (0.5 in)	4 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	18.3 C (64.9 F)	2 of 100 (Routine)
Port Dover	Canada	Record high maximum temperature	31.7 C (89.1 F)	2 of 100 (Routine)

Counts by Type and Timescale

67 records

Records set or tied on 18 July 1921 by type: Highest daily maximum 18, Highest daily minimum 15, Lowest daily minimum 7, Heaviest daily rainfall 27.

Records on 18 July 1921 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	0
Highest daily minimum	15
Lowest daily minimum	7
Heaviest daily rainfall	27
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1921 by timescale: all-time 0, monthly 2, daily 65.

How Much Records Were Beaten By

56 broken records

Margins by which the 56 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 45.2. Ties are not counted.

Top 20 by Significance

18 July 1921

Top 20 records on 18 July 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1921	Warragul, AU	monthly rain	59.9 mm (2.4 in)	24.6 mm (1.0 in)	9 years	55 of 100 (Notable)
18 July 1921	Lakes Entrance Post Office, AU	daily rain	45.7 mm (1.8 in)	30.7 mm (1.2 in)	21 years	50 of 100 (Notable)
18 July 1921	Walhalla, AU	daily rain	40.1 mm (1.6 in)	33.5 mm (1.3 in)	21 years	49 of 100 (Notable)
18 July 1921	Cape Norman, CA	daily rain	76.2 mm (3.0 in)	45.2 mm (1.8 in)	12 years	47 of 100 (Notable)
18 July 1921	Lakefield, CA	daily rain	57.2 mm (2.3 in)	30.3 mm (1.2 in)	12 years	38 of 100 (Notable)
18 July 1921	Camden 3 W, US	daily rain	54.6 mm (2.1 in)	32.5 mm (1.3 in)	8 years	28 of 100 (Routine)
18 July 1921	Warburton, AU	daily rain	27.7 mm (1.1 in)	17.8 mm (0.7 in)	4 years	26 of 100 (Routine)
18 July 1921	Port Arthur, CA	daily rain	30.0 mm (1.2 in)	10.9 mm (0.4 in)	36 years	25 of 100 (Routine)
18 July 1921	Vestervig, DK	daily high max	27.2 C (81.0 F)	2.6 C (4.7 F)	45 years	25 of 100 (Routine)
18 July 1921	Port Arthur, CA	daily high min	18.3 C (64.9 F)	2.2 C (4.0 F)	42 years	23 of 100 (Routine)
18 July 1921	Nordby (Fano), DK	daily high max	27.3 C (81.1 F)	2.2 C (4.0 F)	45 years	23 of 100 (Routine)
18 July 1921	Rokewood (Kuruc A Ruc), AU	daily rain	17.8 mm (0.7 in)	14.8 mm (0.6 in)	23 years	20 of 100 (Routine)
18 July 1921	Rokewood (the Meadows), AU	daily rain	17.8 mm (0.7 in)	8.7 mm (0.34 in)	15 years	20 of 100 (Routine)
18 July 1921	Bruthen (Post Office), AU	daily rain	23.1 mm (0.9 in)	12.2 mm (0.5 in)	24 years	20 of 100 (Routine)
18 July 1921	Lindsay, CA	daily rain	28.2 mm (1.1 in)	14.2 mm (0.6 in)	8 years	20 of 100 (Routine)
18 July 1921	Kirchdorf/Poel, DE	daily high max	31.5 C (88.7 F)	4.5 C (8.1 F)	15 years	20 of 100 (Routine)
18 July 1921	Toledo Blade, US	daily high max	35.6 C (96.1 F)	1.7 C (3.1 F)	42 years	20 of 100 (Routine)
18 July 1921	Orbost (Comparison), AU	daily rain	34.0 mm (1.3 in)	8.6 mm (0.34 in)	20 years	18 of 100 (Routine)
18 July 1921	Magdeburg, DE	daily high max	32.0 C (89.6 F)	1.3 C (2.3 F)	39 years	18 of 100 (Routine)
18 July 1921	Kologha (Bos), ZA	daily rain	12.4 mm (0.5 in)	8.6 mm (0.34 in)	19 years	18 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 1921

Records set or tied on this calendar date in each year from 1793 to 1921. 1921 had 67 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 1921-07-18: 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).

Histogram of margins by which records were beaten on 18 July 1921
Margin	Records
0 to 10	44
10 to 20	6
20 to 30	1
30 to 40	4
40 to 50	1