Weather Records on 23 August 1973

650 weather records were set or tied worldwide on 23 August 1973. Highest significance: Storm Lake, US.

Key Facts for 23 August 1973

On 23 August 1973, 650 weather records were set or tied at long-record stations worldwide.
109 were record highs and 387 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 31 monthly and 617 daily.
Storm Lake set a daily record precipitation of 74.9 mm (2.9 in) on 23 August 1973.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 443 records.

Record Map

650 stations

650 station records on 23 August 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Storm Lake	United States	Record daily precipitation	74.9 mm (2.9 in)	67 of 100 (Major)
Sheldon	United States	Record daily precipitation	142.0 mm (5.6 in)	63 of 100 (Major)
Primghar	United States	Record daily precipitation	195.6 mm (7.7 in)	60 of 100 (Major)
Orman Dam	United States	Record daily precipitation	81.3 mm (3.2 in)	56 of 100 (Notable)
Vale	United States	Record daily precipitation	91.4 mm (3.6 in)	56 of 100 (Notable)
Pocahontas	United States	Record daily precipitation	87.1 mm (3.4 in)	55 of 100 (Notable)
Newell	United States	Record daily precipitation	55.9 mm (2.2 in)	54 of 100 (Notable)
Lezay	France	Record daily precipitation	35.2 mm (1.4 in)	50 of 100 (Notable)
Miami Beach	United States	Record daily precipitation	116.8 mm (4.6 in)	49 of 100 (Notable)
La Crescent Dam 7	United States	Record daily precipitation	91.7 mm (3.6 in)	48 of 100 (Notable)
Trempealeau Dam 6	United States	Record daily precipitation	78.7 mm (3.1 in)	48 of 100 (Notable)
Lnai Culture & Heritage Ctr	United States	Record daily precipitation	34.3 mm (1.4 in)	48 of 100 (Notable)
Winona	United States	Record daily precipitation	69.9 mm (2.8 in)	46 of 100 (Notable)
Sparta	United States	Record daily precipitation	87.6 mm (3.4 in)	45 of 100 (Notable)
Sioux Rapids	United States	Record daily precipitation	151.6 mm (6.0 in)	44 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Cruz Do Espirito Santo	Brazil	Record daily precipitation	80.5 mm (3.2 in)	42 of 100 (Notable)
Illahe	United States	Record low minimum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Boone	United States	Record daily precipitation	73.7 mm (2.9 in)	40 of 100 (Notable)
Rockwell City	United States	Record daily precipitation	62.2 mm (2.4 in)	40 of 100 (Notable)
Reedsburg Wwtp	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Karlshamn	Sweden	Record low minimum temperature	3.7 C (38.7 F)	38 of 100 (Notable)
Lake City	United States	Record daily precipitation	80.0 mm (3.1 in)	38 of 100 (Notable)
Stillwater 1 SE	United States	Record daily precipitation	74.2 mm (2.9 in)	38 of 100 (Notable)
Blair	United States	Record daily precipitation	87.1 mm (3.4 in)	36 of 100 (Notable)
Clayton Muni Air Pk	United States	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Bustard Head Lighthouse	Australia	Record daily precipitation	38.4 mm (1.5 in)	34 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	3.6 C (38.5 F)	34 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	3.1 C (37.6 F)	34 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	1.9 C (35.4 F)	34 of 100 (Routine)
Beaver	United States	Record daily precipitation	73.7 mm (2.9 in)	34 of 100 (Routine)
Arcade	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Apatzingan (Smn)	Mexico	Record high minimum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Turocak	Russia	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Silver Bell	United States	Record high minimum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Sonora	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Ulricehamn	Sweden	Record low minimum temperature	2.5 C (36.5 F)	31 of 100 (Routine)
Denair 3 NNE	United States	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Atchison	United States	Record high minimum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Corvallis State UNIV	United States	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Alma Dam 4	United States	Record daily precipitation	61.5 mm (2.4 in)	31 of 100 (Routine)
Schwerin	Germany	Record low minimum temperature	5.7 C (42.3 F)	30 of 100 (Routine)
Duncan	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Sonora	United States	Record low minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Brooksville Chin Hill	United States	Record low minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Montague 4 NW	United States	Record low maximum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Caledonia	United States	Record daily precipitation	39.1 mm (1.5 in)	30 of 100 (Routine)
Winona Dam 5 A	United States	Record daily precipitation	77.2 mm (3.0 in)	30 of 100 (Routine)
Wauseon Wtp	United States	Record low minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Pte de Chassiron	France	Record high minimum temperature	20.8 C (69.4 F)	29 of 100 (Routine)
Halle	Germany	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Potsdam	Germany	Record low minimum temperature	6.9 C (44.4 F)	29 of 100 (Routine)
Wrixum/Fohr	Germany	Record low minimum temperature	8.4 C (47.1 F)	29 of 100 (Routine)
Rodeo (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Cosamaloapan de Carpio (Smn)	Mexico	Record low maximum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Sauda	Norway	Record low minimum temperature	3.0 C (37.4 F)	29 of 100 (Routine)
Willcox	United States	Record high maximum temperature	37.8 C (100.0 F)	29 of 100 (Routine)
Moore Haven Lock 1	United States	Record low minimum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Quitman 2 NW	United States	Record low minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Jefferson	United States	Record daily precipitation	56.1 mm (2.2 in)	29 of 100 (Routine)

Counts by Type and Timescale

650 records

Records set or tied on 23 August 1973 by type: Highest daily maximum 53, Lowest daily maximum 120, Highest daily minimum 56, Lowest daily minimum 267, Heaviest daily rainfall 154.

Records on 23 August 1973 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	120
Highest daily minimum	56
Lowest daily minimum	267
Heaviest daily rainfall	154
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 1973 by timescale: all-time 2, monthly 31, daily 617.

How Much Records Were Beaten By

462 broken records

Margins by which the 462 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.1. Ties are not counted.

Top 20 by Significance

23 August 1973

Top 20 records on 23 August 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 1973	Storm Lake, US	daily rain	74.9 mm (2.9 in)	57.9 mm (2.3 in)	72 years	67 of 100 (Major)
23 August 1973	Sheldon, US	monthly rain	142.0 mm (5.6 in)	48.3 mm (1.9 in)	30 years	63 of 100 (Major)
23 August 1973	Primghar, US	all-time rain	195.6 mm (7.7 in)	17.8 mm (0.7 in)	73 years	60 of 100 (Major)
23 August 1973	Orman Dam, US	monthly rain	81.3 mm (3.2 in)	35.1 mm (1.4 in)	1 year	56 of 100 (Notable)
23 August 1973	Vale, US	monthly rain	91.4 mm (3.6 in)	49.2 mm (1.9 in)	0 years	56 of 100 (Notable)
23 August 1973	Pocahontas, US	daily rain	87.1 mm (3.4 in)	39.1 mm (1.5 in)	68 years	55 of 100 (Notable)
23 August 1973	Newell, US	monthly rain	55.9 mm (2.2 in)	17.5 mm (0.7 in)	41 years	54 of 100 (Notable)
23 August 1973	Lezay, FR	daily rain	35.2 mm (1.4 in)	21.7 mm (0.9 in)	38 years	50 of 100 (Notable)
23 August 1973	Miami Beach, US	daily rain	116.8 mm (4.6 in)	101.1 mm (4.0 in)	19 years	49 of 100 (Notable)
23 August 1973	La Crescent Dam 7, US	daily rain	91.7 mm (3.6 in)	67.1 mm (2.6 in)	19 years	48 of 100 (Notable)
23 August 1973	Trempealeau Dam 6, US	daily rain	78.7 mm (3.1 in)	59.9 mm (2.4 in)	19 years	48 of 100 (Notable)
23 August 1973	Lnai Culture & Heritage Ctr, US	daily rain	34.3 mm (1.4 in)	25.2 mm (1.0 in)	32 years	48 of 100 (Notable)
23 August 1973	Winona, US	daily rain	69.9 mm (2.8 in)	44.8 mm (1.8 in)	14 years	46 of 100 (Notable)
23 August 1973	Sparta, US	monthly rain	87.6 mm (3.4 in)	4.5 mm (0.18 in)	80 years	45 of 100 (Notable)
23 August 1973	Sioux Rapids, US	all-time rain	151.6 mm (6.0 in)	35.5 mm (1.4 in)	1 year	44 of 100 (Notable)
23 August 1973	Marshalltown, US	daily rain	36.3 mm (1.4 in)	16.5 mm (0.6 in)	77 years	43 of 100 (Notable)
23 August 1973	Cruz Do Espirito Santo, BR	daily rain	80.5 mm (3.2 in)	41.9 mm (1.6 in)	2 years	42 of 100 (Notable)
23 August 1973	Illahe, US	daily low min	1.1 C (34.0 F)	6.7 C (12.1 F)	30 years	41 of 100 (Notable)
23 August 1973	Boone, US	daily rain	73.7 mm (2.9 in)	42.7 mm (1.7 in)	19 years	40 of 100 (Notable)
23 August 1973	Rockwell City, US	daily rain	62.2 mm (2.4 in)	40.9 mm (1.6 in)	19 years	40 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

1802 to 1973

Records set or tied on this calendar date in each year from 1802 to 1973. 1973 had 650 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 1973-08-23: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	436
20 to 40	16
40 to 60	8
60 to 80	1
80 to 100	0
100 to 120	1