Weather Records on 6 July 1921

80 weather records were set or tied worldwide on 6 July 1921. Highest significance: Stonecliffe, CA.

Key Facts for 6 July 1921

On 6 July 1921, 80 weather records were set or tied at long-record stations worldwide.
53 were record highs and 9 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 2 monthly and 75 daily.
Stonecliffe set an all-time record high maximum temperature of 40.0 C (104.0 F) on 6 July 1921.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 441 records.

Record Map

80 stations

80 station records on 6 July 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 July 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stonecliffe	Canada	Record high maximum temperature	40.0 C (104.0 F)	30 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	29.7 mm (1.2 in)	25 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	35.6 C (96.1 F)	24 of 100 (Routine)
Tampa	United States	Record low maximum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Humansdorp (Pol)	South Africa	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	36.1 C (97.0 F)	20 of 100 (Routine)
Kendrew Estates	South Africa	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Tampa	United States	Record daily precipitation	65.5 mm (2.6 in)	19 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	4.5 C (40.1 F)	18 of 100 (Routine)
Guelph Oac	Canada	Record high maximum temperature	34.4 C (93.9 F)	18 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
London South	Canada	Record high maximum temperature	36.7 C (98.1 F)	17 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	3.0 C (37.4 F)	17 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	24.0 C (75.2 F)	16 of 100 (Routine)
Emu Park Hill St	Australia	Record daily precipitation	14.2 mm (0.6 in)	16 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	18.3 C (64.9 F)	16 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	36.1 C (97.0 F)	16 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	32.8 C (91.0 F)	16 of 100 (Routine)
Yardley Chase	South Africa	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Vanersborg	Sweden	Record low minimum temperature	7.5 C (45.5 F)	16 of 100 (Routine)
Duaringa Post Office	Australia	Record daily precipitation	2.5 mm (0.10 in)	15 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	35.0 C (95.0 F)	15 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	6.4 mm (0.25 in)	15 of 100 (Routine)
Newport	United States	Record high maximum temperature	38.9 C (102.0 F)	15 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	35.0 C (95.0 F)	15 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	19.4 C (66.9 F)	13 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	22.2 C (72.0 F)	13 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	23.0 mm (0.9 in)	13 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	8.6 mm (0.34 in)	12 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	22.8 C (73.0 F)	12 of 100 (Routine)
Walsingham 1	South Africa	Record daily precipitation	5.3 mm (0.21 in)	12 of 100 (Routine)
Port Stanley	Canada	Record high maximum temperature	31.7 C (89.1 F)	11 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	14.4 C (57.9 F)	11 of 100 (Routine)
Schwerin	Germany	Record low minimum temperature	7.6 C (45.7 F)	11 of 100 (Routine)
Newport	United States	Record high minimum temperature	25.0 C (77.0 F)	11 of 100 (Routine)
Needles	United States	Record low minimum temperature	19.4 C (66.9 F)	11 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	24.4 C (75.9 F)	11 of 100 (Routine)
Pacific Heights	Australia	Record daily precipitation	8.1 mm (0.32 in)	10 of 100 (Routine)
Mitchell Post Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	10 of 100 (Routine)
Wilkie	Australia	Record daily precipitation	8.6 mm (0.34 in)	10 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-1.7 C (28.9 F)	10 of 100 (Routine)
White River	Canada	Record high maximum temperature	35.0 C (95.0 F)	10 of 100 (Routine)
St. Petersburg	Russia	Record daily precipitation	9.2 mm (0.36 in)	10 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	22.8 C (73.0 F)	10 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	32.8 C (91.0 F)	9 of 100 (Routine)
Alton	Canada	Record high minimum temperature	18.9 C (66.0 F)	9 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	9.5 C (49.1 F)	9 of 100 (Routine)
Middleton (Sar)	South Africa	Record daily precipitation	7.6 mm (0.30 in)	9 of 100 (Routine)
Green Bay	United States	Record high maximum temperature	36.1 C (97.0 F)	9 of 100 (Routine)
Sacramento 5 ESE	United States	Record high maximum temperature	40.0 C (104.0 F)	9 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high maximum temperature	16.7 C (62.1 F)	8 of 100 (Routine)
Kingston Queens U	Canada	Record high minimum temperature	23.3 C (73.9 F)	8 of 100 (Routine)
Stonecliffe	Canada	Record high minimum temperature	20.6 C (69.1 F)	8 of 100 (Routine)

Counts by Type and Timescale

80 records

Records set or tied on 6 July 1921 by type: Highest daily maximum 33, Lowest daily maximum 2, Highest daily minimum 20, Lowest daily minimum 7, Heaviest daily rainfall 18.

Records on 6 July 1921 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	2
Highest daily minimum	20
Lowest daily minimum	7
Heaviest daily rainfall	18
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 July 1921 by timescale: all-time 3, monthly 2, daily 75.

How Much Records Were Beaten By

66 broken records

Margins by which the 66 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.8. Ties are not counted.

Top 20 by Significance

6 July 1921

Top 20 records on 6 July 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 July 1921	Stonecliffe, CA	all-time high max	40.0 C (104.0 F)	1.7 C (3.1 F)	10 years	30 of 100 (Routine)
6 July 1921	Parry Sound, CA	all-time high max	37.8 C (100.0 F)	0.6 C (1.1 F)	6 years	27 of 100 (Routine)
6 July 1921	Milwaukee Wb City, US	daily high min	26.1 C (79.0 F)	3.9 C (7.0 F)	34 years	27 of 100 (Routine)
6 July 1921	Toronto, CA	daily high max	36.1 C (97.0 F)	0.5 C (0.9 F)	58 years	26 of 100 (Routine)
6 July 1921	Zametchino, RU	daily rain	29.7 mm (1.2 in)	12.4 mm (0.5 in)	2 years	25 of 100 (Routine)
6 July 1921	Cleveland 2717 Euclid, US	daily high max	35.0 C (95.0 F)	3.3 C (5.9 F)	35 years	24 of 100 (Routine)
6 July 1921	Lexington Bluegrass AP, US	daily high max	35.6 C (96.1 F)	1.7 C (3.1 F)	46 years	24 of 100 (Routine)
6 July 1921	Tampa, US	daily low max	25.0 C (77.0 F)	2.2 C (4.0 F)	25 years	23 of 100 (Routine)
6 July 1921	Humansdorp (Pol), ZA	daily rain	24.6 mm (1.0 in)	13.2 mm (0.5 in)	24 years	20 of 100 (Routine)
6 July 1921	Hamilton, CA	daily high max	37.8 C (100.0 F)	2.2 C (4.0 F)	34 years	20 of 100 (Routine)
6 July 1921	Peterborough, CA	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	34 years	20 of 100 (Routine)
6 July 1921	Kendrew Estates, ZA	daily rain	3.6 mm (0.14 in)	3.6 mm (0.14 in)	29 years	20 of 100 (Routine)
6 July 1921	Tampa, US	daily rain	65.5 mm (2.6 in)	20.8 mm (0.8 in)	11 years	19 of 100 (Routine)
6 July 1921	Uccle, BE	daily low min	4.5 C (40.1 F)	0.9 C (1.6 F)	25 years	18 of 100 (Routine)
6 July 1921	Guelph Oac, CA	daily high max	34.4 C (93.9 F)	1.6 C (2.9 F)	34 years	18 of 100 (Routine)
6 July 1921	Durham, GB	daily high min	13.9 C (57.0 F)	0.5 C (0.9 F)	40 years	18 of 100 (Routine)
6 July 1921	London South, CA	daily high max	36.7 C (98.1 F)	3.4 C (6.1 F)	20 years	17 of 100 (Routine)
6 July 1921	Woodstock, CA	daily high max	33.9 C (93.0 F)	1.1 C (2.0 F)	34 years	17 of 100 (Routine)
6 July 1921	Skara 1, SE	daily low min	3.0 C (37.4 F)	1.0 C (1.8 F)	33 years	17 of 100 (Routine)
6 July 1921	Nemours (Ghazaouet), DZ	daily high min	24.0 C (75.2 F)	1.0 C (1.8 F)	28 years	16 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 80 records.

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

Records on 07-06 in each year
Year	Records
1793	1
1795	1
1812	1
1813	1
1819	1
1821	1
1828	3
1839	1
1845	1
1848	1
1856	1
1859	1
1860	1
1863	1
1864	2
1865	1
1868	2
1874	1
1875	3
1876	1
1877	1
1878	3
1879	3
1881	4
1883	1
1885	1
1887	2
1889	1
1890	7
1892	1
1893	2
1894	4
1895	3
1896	3
1897	1
1898	5
1899	5
1900	12
1901	7
1902	6
1903	2
1904	4
1905	8
1906	16
1907	9
1908	22
1909	22
1910	31
1911	45
1912	32
1913	18
1914	50
1915	83
1916	38
1917	26
1918	28
1919	36
1920	36
1921	80
1922	159
1923	177
1924	163
1925	160
1926	133
1927	255
1928	231
1929	106
1930	285
1931	489
1932	470
1933	310
1934	400
1935	222
1936	683
1937	385
1938	269
1939	425
1940	437
1941	337
1942	543
1943	349
1944	320
1945	337
1946	172
1947	506
1948	698
1949	405
1950	541
1951	623
1952	456
1953	656
1954	494
1955	388
1956	722
1957	359
1958	717
1959	285
1960	687
1961	501
1962	434
1963	350
1964	579
1965	442
1966	319
1967	684
1968	739
1969	786
1970	497
1971	412
1972	1,368
1973	1,196
1974	456
1975	743
1976	595
1977	848
1978	1,072
1979	1,092
1980	587
1981	1,016
1982	803
1983	1,002
1984	782
1985	874
1986	870
1987	636
1988	2,036
1989	838
1990	854
1991	888
1992	936
1993	1,419
1994	1,345
1995	779
1996	1,034
1997	792
1998	1,238
1999	1,603
2000	753
2001	1,020
2002	650
2003	723
2004	903
2005	927
2006	1,122
2007	1,303
2008	937
2009	935
2010	1,199
2011	617
2012	1,398
2013	607
2014	494
2015	1,160
2016	778
2017	808
2018	714
2019	523
2020	380
2021	746
2022	890
2023	548
2024	1,185
2025	619
2026	517

Download the Data

Data for records on 1921-07-06: 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 5	60
5 to 10	3
10 to 15	2
15 to 20	0
20 to 25	1