Weather Records on 1 August 1921

87 weather records were set or tied worldwide on 1 August 1921. Highest significance: Surgut, RU.

Key Facts for 1 August 1921

On 1 August 1921, 87 weather records were set or tied at long-record stations worldwide.
23 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 82 daily.
Surgut set a monthly record daily precipitation of 64.2 mm (2.5 in) on 1 August 1921.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 443 records.

Record Map

87 stations

87 station records on 1 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Surgut	Russia	Record daily precipitation	64.2 mm (2.5 in)	63 of 100 (Major)
Warragul	Australia	Record daily precipitation	65.0 mm (2.6 in)	43 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	17.9 C (64.2 F)	42 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	33.0 C (91.4 F)	37 of 100 (Notable)
Gabo Island Lighthouse	Australia	Record daily precipitation	31.2 mm (1.2 in)	31 of 100 (Routine)
Warburton	Australia	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record daily precipitation	7.0 mm (0.28 in)	20 of 100 (Routine)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Wandin (Yallock)	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
North Adelaide	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Meningie	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Portarlington	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Ocean Grove	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Ringwood 2	Australia	Record daily precipitation	10.4 mm (0.4 in)	19 of 100 (Routine)
Mortlake	Australia	Record daily precipitation	11.9 mm (0.5 in)	19 of 100 (Routine)
Cet Central England	United Kingdom	Record high minimum temperature	17.1 C (62.8 F)	19 of 100 (Routine)
Cooke Plains	Australia	Record daily precipitation	8.9 mm (0.35 in)	18 of 100 (Routine)
Nariel Creek (Simpson)	Australia	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Lilydale	Australia	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	25.6 C (78.1 F)	18 of 100 (Routine)
Minlaton	Australia	Record daily precipitation	17.8 mm (0.7 in)	17 of 100 (Routine)
Obley	Australia	Record daily precipitation	9.4 mm (0.37 in)	17 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	38.1 mm (1.5 in)	17 of 100 (Routine)
Madison Wb City	United States	Record low maximum temperature	18.3 C (64.9 F)	17 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	28.6 C (83.5 F)	17 of 100 (Routine)
Crookwell Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	16 of 100 (Routine)
Bruthen (Post Office)	Australia	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Lakes Entrance Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	16 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high minimum temperature	18.4 C (65.1 F)	16 of 100 (Routine)
Hohenpeissenberg	Germany	Record high minimum temperature	18.5 C (65.3 F)	16 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	33.2 C (91.8 F)	16 of 100 (Routine)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Plymouth	United States	Record low maximum temperature	18.3 C (64.9 F)	15 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	36.8 mm (1.4 in)	15 of 100 (Routine)
Watervale	Australia	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Genoa (Gipsy Point)	Australia	Record daily precipitation	28.2 mm (1.1 in)	14 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	22.3 C (72.1 F)	14 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	10.2 mm (0.4 in)	13 of 100 (Routine)
Condobolin Retirement Village	Australia	Record daily precipitation	3.0 mm (0.12 in)	12 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	17.2 C (63.0 F)	12 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	33.4 C (92.1 F)	12 of 100 (Routine)
Ferrara	Italy	Record daily precipitation	13.6 mm (0.5 in)	12 of 100 (Routine)
Louisville	United States	Record high maximum temperature	38.9 C (102.0 F)	12 of 100 (Routine)
Inverell Comparison	Australia	Record low maximum temperature	8.9 C (48.0 F)	11 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	17.8 mm (0.7 in)	11 of 100 (Routine)
Marrabel	Australia	Record daily precipitation	13.5 mm (0.5 in)	10 of 100 (Routine)
Coondambo	Australia	Record daily precipitation	2.8 mm (0.11 in)	9 of 100 (Routine)
Thorpdale State School	Australia	Record daily precipitation	26.7 mm (1.1 in)	9 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	15.2 mm (0.6 in)	9 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high maximum temperature	31.0 C (87.8 F)	9 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	32.3 C (90.1 F)	9 of 100 (Routine)
Buangor 1	Australia	Record daily precipitation	13.2 mm (0.5 in)	8 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	32.4 C (90.3 F)	8 of 100 (Routine)

Counts by Type and Timescale

87 records

Records set or tied on 1 August 1921 by type: Highest daily maximum 12, Lowest daily maximum 15, Highest daily minimum 11, Lowest daily minimum 4, Heaviest daily rainfall 45.

Records on 1 August 1921 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	15
Highest daily minimum	11
Lowest daily minimum	4
Heaviest daily rainfall	45
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 1921 by timescale: all-time 0, monthly 5, daily 82.

How Much Records Were Beaten By

64 broken records

Margins by which the 64 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.8. Ties are not counted.

Top 20 by Significance

1 August 1921

Top 20 records on 1 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1921	Surgut, RU	monthly rain	64.2 mm (2.5 in)	25.8 mm (1.0 in)	35 years	63 of 100 (Major)
1 August 1921	Warragul, AU	monthly rain	65.0 mm (2.6 in)	14.2 mm (0.6 in)	29 years	43 of 100 (Notable)
1 August 1921	Oxford, GB	daily high min	17.9 C (64.2 F)	0.7 C (1.3 F)	100 years	42 of 100 (Notable)
1 August 1921	Uccle, BE	daily high max	33.0 C (91.4 F)	2.5 C (4.5 F)	73 years	37 of 100 (Notable)
1 August 1921	Gabo Island Lighthouse, AU	daily rain	31.2 mm (1.2 in)	10.6 mm (0.4 in)	50 years	31 of 100 (Routine)
1 August 1921	Warburton, AU	daily rain	48.3 mm (1.9 in)	6.4 mm (0.25 in)	40 years	23 of 100 (Routine)
1 August 1921	Durham, GB	daily high min	15.6 C (60.1 F)	2.2 C (4.0 F)	30 years	21 of 100 (Routine)
1 August 1921	Montgomery Wb City, US	daily high min	26.1 C (79.0 F)	0.5 C (0.9 F)	43 years	21 of 100 (Routine)
1 August 1921	Sidi-Bel-Abbes, DZ	daily rain	7.0 mm (0.28 in)	5.0 mm (0.20 in)	12 years	20 of 100 (Routine)
1 August 1921	Adelaide (Thorndon Park), AU	daily rain	21.1 mm (0.8 in)	9.7 mm (0.38 in)	30 years	20 of 100 (Routine)
1 August 1921	Narre Warren North (Narre Warr, AU	daily rain	16.0 mm (0.6 in)	5.8 mm (0.23 in)	51 years	20 of 100 (Routine)
1 August 1921	Wandin (Yallock), AU	daily rain	19.6 mm (0.8 in)	9.9 mm (0.39 in)	31 years	20 of 100 (Routine)
1 August 1921	North Adelaide, AU	daily rain	21.8 mm (0.9 in)	8.6 mm (0.34 in)	30 years	20 of 100 (Routine)
1 August 1921	Port Albert, AU	daily rain	11.4 mm (0.4 in)	5.3 mm (0.21 in)	33 years	20 of 100 (Routine)
1 August 1921	Hastings Post Office, AU	daily rain	14.0 mm (0.6 in)	4.1 mm (0.16 in)	46 years	20 of 100 (Routine)
1 August 1921	Anticosti SW Point, CA	daily rain	18.8 mm (0.7 in)	6.6 mm (0.26 in)	47 years	20 of 100 (Routine)
1 August 1921	Meningie, AU	daily rain	15.0 mm (0.6 in)	5.1 mm (0.20 in)	22 years	20 of 100 (Routine)
1 August 1921	Portarlington, AU	daily rain	12.7 mm (0.5 in)	5.6 mm (0.22 in)	24 years	20 of 100 (Routine)
1 August 1921	Ocean Grove, AU	daily rain	11.9 mm (0.5 in)	4.3 mm (0.17 in)	30 years	20 of 100 (Routine)
1 August 1921	Dubuque River, US	daily low max	19.4 C (66.9 F)	2.8 C (5.0 F)	31 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

1797 to 1921

Records set or tied on this calendar date in each year from 1797 to 1921. 1921 had 87 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1921-08-01: 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	44
5 to 10	14
10 to 15	4
15 to 20	1
20 to 25	0
25 to 30	1