Weather Records on 4 July 1921

50 weather records were set or tied worldwide on 4 July 1921. Highest significance: Praha-Klementinum, CZ.

Key Facts for 4 July 1921

On 4 July 1921, 50 weather records were set or tied at long-record stations worldwide.
32 were record highs and 3 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 47 daily.
Praha-Klementinum set a daily record low maximum temperature of 14.5 C (58.1 F) on 4 July 1921.
Across 163 earlier years (1806 to 2026) the same calendar date averaged 425 records.

Record Map

50 stations

50 station records on 4 July 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 July 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record low maximum temperature	14.5 C (58.1 F)	46 of 100 (Notable)
Escanaba	United States	Record high minimum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record daily precipitation	23.8 mm (0.9 in)	20 of 100 (Routine)
Steinkopf (Pol)	South Africa	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Port Stanley	Canada	Record high maximum temperature	31.7 C (89.1 F)	20 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	27.2 C (81.0 F)	20 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	32.2 C (90.0 F)	19 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	40.6 C (105.1 F)	19 of 100 (Routine)
White River	Canada	Record high maximum temperature	35.0 C (95.0 F)	18 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	17.8 mm (0.7 in)	18 of 100 (Routine)
Kendrew Estates	South Africa	Record daily precipitation	2.8 mm (0.11 in)	18 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	1.0 mm (0.04 in)	18 of 100 (Routine)
Green Bay	United States	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Brome	Canada	Record high maximum temperature	34.4 C (93.9 F)	17 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	23.3 C (73.9 F)	17 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	17 of 100 (Routine)
Mahackala	Russia	Record daily precipitation	31.7 mm (1.2 in)	16 of 100 (Routine)
Falun	Sweden	Record daily precipitation	28.1 mm (1.1 in)	15 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	13.9 mm (0.5 in)	15 of 100 (Routine)
Stuttgart	United States	Record high minimum temperature	25.6 C (78.1 F)	15 of 100 (Routine)
Bredasdorp	South Africa	Record daily precipitation	25.1 mm (1.0 in)	14 of 100 (Routine)
Worcester	South Africa	Record daily precipitation	22.9 mm (0.9 in)	14 of 100 (Routine)
Winterhoek	South Africa	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	31.1 C (88.0 F)	14 of 100 (Routine)
Ferrara	Italy	Record daily precipitation	30.0 mm (1.2 in)	12 of 100 (Routine)
Nordby (Fano)	Denmark	Record low maximum temperature	14.3 C (57.7 F)	11 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	9.6 C (49.3 F)	11 of 100 (Routine)
Stratford	Canada	Record high maximum temperature	36.1 C (97.0 F)	9 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	22.3 C (72.1 F)	8 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	18.3 C (64.9 F)	7 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	16.0 mm (0.6 in)	7 of 100 (Routine)
Renfrew	Canada	Record high maximum temperature	38.3 C (100.9 F)	5 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high minimum temperature	25.6 C (78.1 F)	5 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	22.2 C (72.0 F)	4 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	4 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	31.1 C (88.0 F)	3 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	23.3 C (73.9 F)	2 of 100 (Routine)
Haliburton A	Canada	Record high maximum temperature	35.0 C (95.0 F)	2 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	34.4 C (93.9 F)	2 of 100 (Routine)
Saint John	Canada	Record high maximum temperature	26.1 C (79.0 F)	2 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	2 of 100 (Routine)
Alma	United States	Record high maximum temperature	37.8 C (100.0 F)	2 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	36.1 C (97.0 F)	1 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	19.4 C (66.9 F)	1 of 100 (Routine)
Middletown 4 W	United States	Record high minimum temperature	21.7 C (71.1 F)	1 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	25.0 C (77.0 F)	1 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	23.3 C (73.9 F)	1 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	25.0 C (77.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

50 records

Records set or tied on 4 July 1921 by type: Highest daily maximum 18, Lowest daily maximum 2, Highest daily minimum 14, Lowest daily minimum 1, Heaviest daily rainfall 15.

Records on 4 July 1921 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	2
Highest daily minimum	14
Lowest daily minimum	1
Heaviest daily rainfall	15
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 July 1921 by timescale: all-time 0, monthly 3, daily 47.

How Much Records Were Beaten By

34 broken records

Margins by which the 34 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 16.7. Ties are not counted.

Top 20 by Significance

4 July 1921

Top 20 records on 4 July 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 July 1921	Praha-Klementinum, CZ	daily low max	14.5 C (58.1 F)	2.5 C (4.5 F)	136 years	46 of 100 (Notable)
4 July 1921	Escanaba, US	daily high min	24.4 C (75.9 F)	3.8 C (6.8 F)	25 years	22 of 100 (Routine)
4 July 1921	Linkoeping-Malmslaett, SE	daily rain	23.8 mm (0.9 in)	10.6 mm (0.4 in)	54 years	20 of 100 (Routine)
4 July 1921	Steinkopf (Pol), ZA	daily rain	21.8 mm (0.9 in)	16.7 mm (0.7 in)	6 years	20 of 100 (Routine)
4 July 1921	Clanwilliam (Pol), ZA	daily rain	10.9 mm (0.4 in)	8.1 mm (0.32 in)	32 years	20 of 100 (Routine)
4 July 1921	Port Stanley, CA	daily high max	31.7 C (89.1 F)	0.6 C (1.1 F)	46 years	20 of 100 (Routine)
4 July 1921	Yarmouth, CA	daily high max	27.2 C (81.0 F)	2.2 C (4.0 F)	25 years	20 of 100 (Routine)
4 July 1921	Port Arthur, CA	daily high max	32.2 C (90.0 F)	3.3 C (5.9 F)	23 years	19 of 100 (Routine)
4 July 1921	Nicosia, CY	daily high max	40.6 C (105.1 F)	2.3 C (4.1 F)	21 years	19 of 100 (Routine)
4 July 1921	White River, CA	daily high max	35.0 C (95.0 F)	3.3 C (5.9 F)	23 years	18 of 100 (Routine)
4 July 1921	Beatrice, CA	monthly high max	35.6 C (96.1 F)	0.6 C (1.1 F)	10 years	18 of 100 (Routine)
4 July 1921	Robertson, ZA	daily rain	17.8 mm (0.7 in)	8.4 mm (0.33 in)	6 years	18 of 100 (Routine)
4 July 1921	Kendrew Estates, ZA	daily rain	2.8 mm (0.11 in)	2.8 mm (0.11 in)	29 years	18 of 100 (Routine)
4 July 1921	Fraserburg, ZA	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	42 years	18 of 100 (Routine)
4 July 1921	Green Bay, US	daily high max	35.6 C (96.1 F)	3.4 C (6.1 F)	23 years	18 of 100 (Routine)
4 July 1921	Brome, CA	monthly high max	34.4 C (93.9 F)	0.5 C (0.9 F)	10 years	17 of 100 (Routine)
4 July 1921	Cape May 2 NW, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	37 years	17 of 100 (Routine)
4 July 1921	Milwaukee Wb City, US	daily high min	25.0 C (77.0 F)	1.7 C (3.1 F)	23 years	17 of 100 (Routine)
4 July 1921	Mahackala, RU	monthly rain	31.7 mm (1.2 in)	1.3 mm (0.05 in)	3 years	16 of 100 (Routine)
4 July 1921	Falun, SE	daily rain	28.1 mm (1.1 in)	6.8 mm (0.27 in)	3 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

1806 to 1921

Records set or tied on this calendar date in each year from 1806 to 1921. 1921 had 50 records.

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

Records on 07-04 in each year
Year	Records
1806	1
1815	2
1827	1
1828	1
1836	1
1837	1
1838	1
1839	2
1845	1
1850	1
1852	1
1856	2
1858	2
1859	1
1860	1
1863	1
1867	1
1868	1
1873	1
1874	2
1875	1
1877	1
1878	1
1879	1
1883	2
1887	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	3
1895	1
1896	2
1897	3
1898	6
1899	4
1900	10
1901	5
1902	8
1903	7
1904	12
1905	6
1906	15
1907	26
1908	14
1909	20
1910	33
1911	62
1912	28
1913	25
1914	48
1915	36
1916	25
1917	107
1918	72
1919	49
1920	105
1921	50
1922	61
1923	59
1924	230
1925	137
1926	139
1927	290
1928	150
1929	255
1930	276
1931	479
1932	635
1933	459
1934	521
1935	319
1936	1,189
1937	341
1938	353
1939	389
1940	504
1941	409
1942	495
1943	348
1944	553
1945	151
1946	288
1947	258
1948	293
1949	474
1950	335
1951	388
1952	285
1953	431
1954	291
1955	433
1956	381
1957	449
1958	517
1959	280
1960	562
1961	525
1962	619
1963	417
1964	383
1965	258
1966	473
1967	935
1968	668
1969	746
1970	675
1971	385
1972	1,195
1973	656
1974	546
1975	879
1976	785
1977	593
1978	1,020
1979	604
1980	674
1981	850
1982	858
1983	942
1984	851
1985	729
1986	1,129
1987	611
1988	1,158
1989	981
1990	871
1991	872
1992	1,023
1993	1,053
1994	1,131
1995	1,128
1996	1,014
1997	1,251
1998	925
1999	1,632
2000	891
2001	1,120
2002	1,152
2003	617
2004	668
2005	834
2006	924
2007	1,052
2008	764
2009	845
2010	1,124
2011	777
2012	1,205
2013	866
2014	456
2015	1,384
2016	919
2017	496
2018	653
2019	528
2020	365
2021	789
2022	700
2023	627
2024	765
2025	737
2026	717

Download the Data

Data for records on 1921-07-04: 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 3	19
3 to 5	7
5 to 8	3
8 to 10	3
10 to 13	1
13 to 15	0
15 to 18	1