Weather Records on 21 July 1973

871 weather records were set or tied worldwide on 21 July 1973. Highest significance: Paoli, US.

Key Facts for 21 July 1973

On 21 July 1973, 871 weather records were set or tied at long-record stations worldwide.
93 were record highs and 447 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 23 monthly and 842 daily.
Paoli set an all-time record daily precipitation of 145.5 mm (5.7 in) on 21 July 1973.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 464 records.

Record Map

871 stations

871 station records on 21 July 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Paoli	United States	Record daily precipitation	145.5 mm (5.7 in)	65 of 100 (Major)
Scarsdale	United States	Record daily precipitation	92.5 mm (3.6 in)	65 of 100 (Major)
Franklin	United States	Record daily precipitation	129.5 mm (5.1 in)	64 of 100 (Major)
Sheffield	United Kingdom	Record daily precipitation	41.2 mm (1.6 in)	59 of 100 (Notable)
Lucerne	United States	Record daily precipitation	106.7 mm (4.2 in)	58 of 100 (Notable)
Bedford	United States	Record daily precipitation	151.6 mm (6.0 in)	57 of 100 (Notable)
Natal	Brazil	Record daily precipitation	114.5 mm (4.5 in)	55 of 100 (Notable)
Boonton 1 SE	United States	Record daily precipitation	61.0 mm (2.4 in)	55 of 100 (Notable)
Cambridge City 3 N	United States	Record daily precipitation	70.4 mm (2.8 in)	54 of 100 (Notable)
Canfield 1 S	United States	Record daily precipitation	57.2 mm (2.3 in)	53 of 100 (Notable)
Gillette 3SE	United States	Record daily precipitation	40.6 mm (1.6 in)	53 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	94.7 mm (3.7 in)	52 of 100 (Notable)
Joinville (Rvpsc)	Brazil	Record daily precipitation	72.2 mm (2.8 in)	51 of 100 (Notable)
Schenley Lock 5	United States	Record daily precipitation	54.6 mm (2.1 in)	51 of 100 (Notable)
Kingston	United States	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
Campina da Alegria	Brazil	Record daily precipitation	60.3 mm (2.4 in)	50 of 100 (Notable)
Aksakovo	Russia	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Charleston	United States	Record daily precipitation	131.6 mm (5.2 in)	49 of 100 (Notable)
Decatur Wtp	United States	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Hatchville	United States	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Morris Plains 1 W	United States	Record daily precipitation	97.8 mm (3.9 in)	48 of 100 (Notable)
Lexington 3E	United States	Record daily precipitation	63.2 mm (2.5 in)	47 of 100 (Notable)
New Castle 1 N	United States	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Pereque	Brazil	Record daily precipitation	88.2 mm (3.5 in)	46 of 100 (Notable)
Tuscola	United States	Record daily precipitation	74.9 mm (2.9 in)	46 of 100 (Notable)
Greenfield	United States	Record daily precipitation	91.4 mm (3.6 in)	46 of 100 (Notable)
Kokomo 3 WSW	United States	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Waverly	United States	Record daily precipitation	79.2 mm (3.1 in)	46 of 100 (Notable)
Luiz Alves	Brazil	Record daily precipitation	47.3 mm (1.9 in)	45 of 100 (Notable)
Greensburg	United States	Record daily precipitation	62.2 mm (2.4 in)	45 of 100 (Notable)
Taio (Pcd)	Brazil	Record daily precipitation	44.1 mm (1.7 in)	44 of 100 (Notable)
David City 4E	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Middletown	United States	Record daily precipitation	109.2 mm (4.3 in)	44 of 100 (Notable)
Owyhee Dam	United States	Record daily precipitation	25.9 mm (1.0 in)	44 of 100 (Notable)
Franklin	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
The Warriups	Australia	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
Ocozocoautla	Mexico	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Kimball 2NE	United States	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Caete	Brazil	Record daily precipitation	133.6 mm (5.3 in)	41 of 100 (Notable)
Kazan	Russia	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Martinsville 2 SW	United States	Record daily precipitation	85.9 mm (3.4 in)	41 of 100 (Notable)
Blair	United States	Record daily precipitation	46.2 mm (1.8 in)	41 of 100 (Notable)
Farrell Sharon	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Emblem	United States	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Albion	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Tekamah	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Caraguatatuba	Brazil	Record daily precipitation	35.7 mm (1.4 in)	39 of 100 (Notable)
Whitestown	United States	Record daily precipitation	59.4 mm (2.3 in)	39 of 100 (Notable)
Carroll	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Corning	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Columbus 3 NE	United States	Record low maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Morretes	Brazil	Record daily precipitation	36.6 mm (1.4 in)	38 of 100 (Notable)
Dayton Mcd	United States	Record daily precipitation	55.4 mm (2.2 in)	38 of 100 (Notable)
Benedito Novo	Brazil	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Lethbridge A	Canada	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Jakutsk	Russia	Record high minimum temperature	21.5 C (70.7 F)	37 of 100 (Notable)
Audubon	United States	Record low maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Genoa 2 W	United States	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
W Pt	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Kenton	United States	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)

Counts by Type and Timescale

871 records

Records set or tied on 21 July 1973 by type: Highest daily maximum 32, Lowest daily maximum 348, Highest daily minimum 61, Lowest daily minimum 99, Heaviest daily rainfall 331.

Records on 21 July 1973 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	348
Highest daily minimum	61
Lowest daily minimum	99
Heaviest daily rainfall	331
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1973 by timescale: all-time 6, monthly 23, daily 842.

How Much Records Were Beaten By

721 broken records

Margins by which the 721 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.0. Ties are not counted.

Top 20 by Significance

21 July 1973

Top 20 records on 21 July 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1973	Paoli, US	all-time rain	145.5 mm (5.7 in)	21.5 mm (0.8 in)	71 years	65 of 100 (Major)
21 July 1973	Scarsdale, US	daily rain	92.5 mm (3.6 in)	59.5 mm (2.3 in)	62 years	65 of 100 (Major)
21 July 1973	Franklin, US	all-time rain	129.5 mm (5.1 in)	29.7 mm (1.2 in)	47 years	64 of 100 (Major)
21 July 1973	Sheffield, GB	daily rain	41.2 mm (1.6 in)	20.4 mm (0.8 in)	60 years	59 of 100 (Notable)
21 July 1973	Lucerne, US	daily rain	106.7 mm (4.2 in)	67.1 mm (2.6 in)	44 years	58 of 100 (Notable)
21 July 1973	Bedford, US	all-time rain	151.6 mm (6.0 in)	43.6 mm (1.7 in)	10 years	57 of 100 (Notable)
21 July 1973	Natal, BR	daily rain	114.5 mm (4.5 in)	100.0 mm (3.9 in)	38 years	55 of 100 (Notable)
21 July 1973	Boonton 1 SE, US	daily rain	61.0 mm (2.4 in)	36.1 mm (1.4 in)	75 years	55 of 100 (Notable)
21 July 1973	Cambridge City 3 N, US	daily rain	70.4 mm (2.8 in)	37.4 mm (1.5 in)	48 years	54 of 100 (Notable)
21 July 1973	Canfield 1 S, US	daily rain	57.2 mm (2.3 in)	45.8 mm (1.8 in)	42 years	53 of 100 (Notable)
21 July 1973	Gillette 3SE, US	daily rain	40.6 mm (1.6 in)	23.3 mm (0.9 in)	64 years	53 of 100 (Notable)
21 July 1973	Paris Stp, US	daily rain	94.7 mm (3.7 in)	57.6 mm (2.3 in)	19 years	52 of 100 (Notable)
21 July 1973	Joinville (Rvpsc), BR	daily rain	72.2 mm (2.8 in)	62.0 mm (2.4 in)	27 years	51 of 100 (Notable)
21 July 1973	Schenley Lock 5, US	daily rain	54.6 mm (2.1 in)	31.5 mm (1.2 in)	46 years	51 of 100 (Notable)
21 July 1973	Kingston, US	daily rain	43.9 mm (1.7 in)	24.8 mm (1.0 in)	70 years	51 of 100 (Notable)
21 July 1973	Campina da Alegria, BR	daily rain	60.3 mm (2.4 in)	60.3 mm (2.4 in)	30 years	50 of 100 (Notable)
21 July 1973	Aksakovo, RU	daily rain	46.0 mm (1.8 in)	34.9 mm (1.4 in)	23 years	49 of 100 (Notable)
21 July 1973	Charleston, US	monthly rain	131.6 mm (5.2 in)	23.6 mm (0.9 in)	55 years	49 of 100 (Notable)
21 July 1973	Decatur Wtp, US	daily rain	78.0 mm (3.1 in)	50.6 mm (2.0 in)	12 years	49 of 100 (Notable)
21 July 1973	Hatchville, US	daily rain	48.8 mm (1.9 in)	37.9 mm (1.5 in)	44 years	48 of 100 (Notable)

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

1794 to 1973

Records set or tied on this calendar date in each year from 1794 to 1973. 1973 had 871 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1973-07-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	643
20 to 40	61
40 to 60	10
60 to 80	6
80 to 100	1