Weather Records on 7 August 1921

55 weather records were set or tied worldwide on 7 August 1921. Highest significance: Philadelphia City, US.

Key Facts for 7 August 1921

On 7 August 1921, 55 weather records were set or tied at long-record stations worldwide.
16 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 53 daily.
Philadelphia City set a daily record precipitation of 94.0 mm (3.7 in) on 7 August 1921.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 473 records.

Record Map

55 stations

55 station records on 7 August 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Philadelphia City	United States	Record daily precipitation	94.0 mm (3.7 in)	53 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Kremsmuenster	Austria	Record high minimum temperature	20.8 C (69.4 F)	26 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	52.8 mm (2.1 in)	26 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high minimum temperature	19.9 C (67.8 F)	25 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	64.5 mm (2.5 in)	24 of 100 (Routine)
Freiburg	Germany	Record high minimum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Prescott 2 NNW	United States	Record high minimum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Riversdale	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Royal Observatory	South Africa	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Kirchdorf/Poel	Germany	Record daily precipitation	23.7 mm (0.9 in)	20 of 100 (Routine)
Swellendam (Tnk)	South Africa	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Newport	United States	Record daily precipitation	31.2 mm (1.2 in)	18 of 100 (Routine)
Hanover (Pol)	South Africa	Record daily precipitation	1.0 mm (0.04 in)	17 of 100 (Routine)
Burketown Post Office	Australia	Record low minimum temperature	7.3 C (45.1 F)	16 of 100 (Routine)
Weissenburg	Germany	Record high minimum temperature	17.2 C (63.0 F)	16 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record daily precipitation	16.9 mm (0.7 in)	16 of 100 (Routine)
Needles	United States	Record daily precipitation	9.1 mm (0.36 in)	16 of 100 (Routine)
Tbilisi	Georgia	Record low minimum temperature	13.7 C (56.7 F)	15 of 100 (Routine)
Brinkley	United States	Record high minimum temperature	27.2 C (81.0 F)	15 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	10.9 C (51.6 F)	14 of 100 (Routine)
Horton	United States	Record low minimum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Darwin Post Office	Australia	Record low minimum temperature	17.1 C (62.8 F)	13 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	6.1 C (43.0 F)	13 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	5.8 C (42.4 F)	12 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	16.3 mm (0.6 in)	12 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record low minimum temperature	6.1 C (43.0 F)	12 of 100 (Routine)
Mackay Post Office	Australia	Record low minimum temperature	5.3 C (41.5 F)	11 of 100 (Routine)
Coldwater	Canada	Record low maximum temperature	21.1 C (70.0 F)	11 of 100 (Routine)
Nurnberg	Germany	Record high minimum temperature	17.4 C (63.3 F)	11 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	28.3 C (82.9 F)	11 of 100 (Routine)
Karlsruhe	Germany	Record high minimum temperature	19.1 C (66.4 F)	10 of 100 (Routine)
Wangerooge	Germany	Record daily precipitation	18.9 mm (0.7 in)	10 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	15.6 C (60.1 F)	9 of 100 (Routine)
Irkutsk	Russia	Record high maximum temperature	31.7 C (89.1 F)	9 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record low minimum temperature	10.6 C (51.1 F)	9 of 100 (Routine)
Junsele	Sweden	Record daily precipitation	15.3 mm (0.6 in)	8 of 100 (Routine)
State College	United States	Record daily precipitation	34.8 mm (1.4 in)	8 of 100 (Routine)
Tabl.Mtn Molteno Rsv	South Africa	Record daily precipitation	38.6 mm (1.5 in)	6 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	21.8 mm (0.9 in)	6 of 100 (Routine)
Kologha (Bos)	South Africa	Record daily precipitation	3.6 mm (0.14 in)	4 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	2.8 mm (0.11 in)	3 of 100 (Routine)
Gavle	Sweden	Record low maximum temperature	15.0 C (59.0 F)	3 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	15.0 C (59.0 F)	2 of 100 (Routine)
Brandon Cda	Canada	Record low minimum temperature	2.2 C (36.0 F)	2 of 100 (Routine)
Enisejsk	Russia	Record high minimum temperature	17.6 C (63.7 F)	2 of 100 (Routine)
Harpers Ferry River	United States	Record daily precipitation	17.8 mm (0.7 in)	2 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	18.3 C (64.9 F)	2 of 100 (Routine)

Counts by Type and Timescale

55 records

Records set or tied on 7 August 1921 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 13, Lowest daily minimum 10, Heaviest daily rainfall 26.

Records on 7 August 1921 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	3
Highest daily minimum	13
Lowest daily minimum	10
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 1921 by timescale: all-time 0, monthly 2, daily 53.

How Much Records Were Beaten By

48 broken records

Margins by which the 48 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.0. Ties are not counted.

Top 20 by Significance

7 August 1921

Top 20 records on 7 August 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 1921	Philadelphia City, US	daily rain	94.0 mm (3.7 in)	61.0 mm (2.4 in)	45 years	53 of 100 (Notable)
7 August 1921	Newark Liberty Intl AP, US	daily rain	45.7 mm (1.8 in)	18.3 mm (0.7 in)	73 years	36 of 100 (Notable)
7 August 1921	Reading Wb City, US	daily rain	50.3 mm (2.0 in)	27.9 mm (1.1 in)	35 years	33 of 100 (Routine)
7 August 1921	Ny City Cntrl Park, US	daily rain	55.4 mm (2.2 in)	28.7 mm (1.1 in)	25 years	28 of 100 (Routine)
7 August 1921	Kremsmuenster, AT	monthly high min	20.8 C (69.4 F)	0.2 C (0.4 F)	42 years	26 of 100 (Routine)
7 August 1921	Moorestown 4 E, US	daily rain	52.8 mm (2.1 in)	21.8 mm (0.9 in)	34 years	26 of 100 (Routine)
7 August 1921	Munchen-Nymphenburg, DE	daily high min	19.9 C (67.8 F)	2.8 C (5.0 F)	39 years	25 of 100 (Routine)
7 August 1921	Table.Mtn Platteklip, ZA	monthly rain	64.5 mm (2.5 in)	3.0 mm (0.12 in)	27 years	24 of 100 (Routine)
7 August 1921	Freiburg, DE	daily high min	20.0 C (68.0 F)	2.0 C (3.6 F)	36 years	22 of 100 (Routine)
7 August 1921	Prescott 2 NNW, US	daily high min	28.3 C (82.9 F)	2.7 C (4.9 F)	28 years	22 of 100 (Routine)
7 August 1921	Riversdale, ZA	daily rain	20.3 mm (0.8 in)	8.1 mm (0.32 in)	34 years	20 of 100 (Routine)
7 August 1921	Robertson, ZA	daily rain	8.9 mm (0.35 in)	5.9 mm (0.23 in)	40 years	20 of 100 (Routine)
7 August 1921	Caledon (Pol), ZA	daily rain	22.4 mm (0.9 in)	8.7 mm (0.34 in)	34 years	20 of 100 (Routine)
7 August 1921	Lucknow, CA	daily rain	19.6 mm (0.8 in)	12.7 mm (0.5 in)	25 years	20 of 100 (Routine)
7 August 1921	Royal Observatory, ZA	daily rain	24.9 mm (1.0 in)	3.2 mm (0.13 in)	49 years	20 of 100 (Routine)
7 August 1921	Kirchdorf/Poel, DE	daily rain	23.7 mm (0.9 in)	5.3 mm (0.21 in)	22 years	20 of 100 (Routine)
7 August 1921	Swellendam (Tnk), ZA	daily rain	18.0 mm (0.7 in)	6.6 mm (0.26 in)	31 years	20 of 100 (Routine)
7 August 1921	Newport, US	daily rain	31.2 mm (1.2 in)	18.5 mm (0.7 in)	11 years	18 of 100 (Routine)
7 August 1921	Hanover (Pol), ZA	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	42 years	17 of 100 (Routine)
7 August 1921	Burketown Post Office, AU	daily low min	7.3 C (45.1 F)	1.6 C (2.9 F)	29 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

1808 to 1921

Records set or tied on this calendar date in each year from 1808 to 1921. 1921 had 55 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 1921-08-07: 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 10	41
10 to 20	3
20 to 30	3
30 to 40	0
40 to 50	0
50 to 60	0
60 to 70	1