Weather Records on 8 August 1973

446 weather records were set or tied worldwide on 8 August 1973. Highest significance: Horton, US.

Key Facts for 8 August 1973

On 8 August 1973, 446 weather records were set or tied at long-record stations worldwide.
174 were record highs and 82 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 11 monthly and 433 daily.
Horton set a daily record precipitation of 132.1 mm (5.2 in) on 8 August 1973.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 468 records.

Record Map

446 stations

446 station records on 8 August 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 August 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Horton	United States	Record daily precipitation	132.1 mm (5.2 in)	66 of 100 (Major)
Marquard - Pol 29	South Africa	Record daily precipitation	35.0 mm (1.4 in)	64 of 100 (Major)
Zinapecuaro	Mexico	Record daily precipitation	94.0 mm (3.7 in)	57 of 100 (Notable)
Silverton	United States	Record daily precipitation	64.3 mm (2.5 in)	53 of 100 (Notable)
Great Falls	Canada	Record daily precipitation	51.3 mm (2.0 in)	51 of 100 (Notable)
Ottawa Cda	Canada	Record daily precipitation	60.5 mm (2.4 in)	51 of 100 (Notable)
Syuryun-Kyuyel	Russia	Record daily precipitation	55.7 mm (2.2 in)	51 of 100 (Notable)
San Juan de Los Llanos	Mexico	Record daily precipitation	74.9 mm (2.9 in)	50 of 100 (Notable)
Uricky	Kazakhstan	Record daily precipitation	32.5 mm (1.3 in)	49 of 100 (Notable)
Oregon	United States	Record daily precipitation	120.7 mm (4.8 in)	48 of 100 (Notable)
El Salto (Smn)	Mexico	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	15.2 C (59.4 F)	46 of 100 (Notable)
Segen-Kyuel	Russia	Record daily precipitation	75.1 mm (3.0 in)	45 of 100 (Notable)
Westmoreland	United States	Record daily precipitation	117.1 mm (4.6 in)	44 of 100 (Notable)
Milaca	United States	Record daily precipitation	62.2 mm (2.4 in)	43 of 100 (Notable)
Memphis	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Winthrop UNIV	United States	Record daily precipitation	68.6 mm (2.7 in)	42 of 100 (Notable)
Luling	United States	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Nyzhniohirsk	Ukraine	Record daily precipitation	33.9 mm (1.3 in)	38 of 100 (Notable)
Mio Hydro Plt	United States	Record high minimum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Holton	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Cedral	Mexico	Record daily precipitation	118.6 mm (4.7 in)	35 of 100 (Notable)
New Orleans Audubon	United States	Record daily precipitation	61.2 mm (2.4 in)	34 of 100 (Routine)
Union Springs 9 S	United States	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Grayling	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Montague 4 NW	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
C.A.E. Llera	Mexico	Record low minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Markovo	Russia	Record low minimum temperature	-1.0 C (30.2 F)	32 of 100 (Routine)
Duncan	United States	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Central Michigan UNIV	United States	Record high minimum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Gaylord	United States	Record high minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Mellen 4 NE	United States	Record daily precipitation	63.8 mm (2.5 in)	31 of 100 (Routine)
Montreal McGill	Canada	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Corning	United States	Record daily precipitation	47.8 mm (1.9 in)	30 of 100 (Routine)
Hale Loud Dam	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Ludington 4 SE	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Greenville	United States	Record low maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Falls City Brenner Fld	United States	Record daily precipitation	56.1 mm (2.2 in)	30 of 100 (Routine)
Tewantin Post Office	Australia	Record high minimum temperature	16.2 C (61.2 F)	29 of 100 (Routine)
Strelkovoe	Ukraine	Record daily precipitation	43.1 mm (1.7 in)	29 of 100 (Routine)
Mora	United States	Record daily precipitation	63.0 mm (2.5 in)	29 of 100 (Routine)
Tower 2S	United States	Record daily precipitation	64.0 mm (2.5 in)	29 of 100 (Routine)
Tampico	United States	Record daily precipitation	65.8 mm (2.6 in)	29 of 100 (Routine)
Cuthbert	United States	Record low maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Tulsa Intl AP	United States	Record daily precipitation	61.7 mm (2.4 in)	28 of 100 (Routine)
Princeton	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Alpena Co Rgnl AP	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Indian Bay	Canada	Record daily precipitation	30.7 mm (1.2 in)	26 of 100 (Routine)
Pilvo	Russia	Record daily precipitation	43.6 mm (1.7 in)	26 of 100 (Routine)
Carbon Hill 4SE	United States	Record daily precipitation	51.8 mm (2.0 in)	26 of 100 (Routine)
Claflin	United States	Record daily precipitation	38.4 mm (1.5 in)	26 of 100 (Routine)
King City	United States	Record daily precipitation	85.3 mm (3.4 in)	26 of 100 (Routine)
Mauston 1 SE	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
St Fereol	Canada	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Causapscal	Canada	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
La Tuque	Canada	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Edgerton	United States	Record daily precipitation	66.0 mm (2.6 in)	25 of 100 (Routine)
Conchas Dam	United States	Record low minimum temperature	10.0 C (50.0 F)	25 of 100 (Routine)
Gore Bay	Canada	Record high minimum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Hopedale (Aut)	Canada	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)

Counts by Type and Timescale

446 records

Records set or tied on 8 August 1973 by type: Highest daily maximum 29, Lowest daily maximum 37, Highest daily minimum 145, Lowest daily minimum 45, Heaviest daily rainfall 190.

Records on 8 August 1973 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	37
Highest daily minimum	145
Lowest daily minimum	45
Heaviest daily rainfall	190
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 8 August 1973 by timescale: all-time 2, monthly 11, daily 433.

How Much Records Were Beaten By

336 broken records

Margins by which the 336 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.0. Ties are not counted.

Top 20 by Significance

8 August 1973

Top 20 records on 8 August 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 August 1973	Horton, US	daily rain	132.1 mm (5.2 in)	78.0 mm (3.1 in)	63 years	66 of 100 (Major)
8 August 1973	Marquard - Pol 29, ZA	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	60 years	64 of 100 (Major)
8 August 1973	Zinapecuaro, MX	daily rain	94.0 mm (3.7 in)	44.2 mm (1.7 in)	40 years	57 of 100 (Notable)
8 August 1973	Silverton, US	daily rain	64.3 mm (2.5 in)	48.0 mm (1.9 in)	31 years	53 of 100 (Notable)
8 August 1973	Great Falls, CA	daily rain	51.3 mm (2.0 in)	28.2 mm (1.1 in)	34 years	51 of 100 (Notable)
8 August 1973	Ottawa Cda, CA	daily rain	60.5 mm (2.4 in)	26.2 mm (1.0 in)	58 years	51 of 100 (Notable)
8 August 1973	Syuryun-Kyuyel, RU	monthly rain	55.7 mm (2.2 in)	19.3 mm (0.8 in)	20 years	51 of 100 (Notable)
8 August 1973	San Juan de Los Llanos, MX	daily rain	74.9 mm (2.9 in)	37.3 mm (1.5 in)	43 years	50 of 100 (Notable)
8 August 1973	Uricky, KZ	daily rain	32.5 mm (1.3 in)	23.0 mm (0.9 in)	22 years	49 of 100 (Notable)
8 August 1973	Oregon, US	monthly rain	120.7 mm (4.8 in)	30.0 mm (1.2 in)	39 years	48 of 100 (Notable)
8 August 1973	El Salto (Smn), MX	daily rain	59.9 mm (2.4 in)	40.1 mm (1.6 in)	7 years	47 of 100 (Notable)
8 August 1973	Sydney (Observatory Hill), AU	daily high min	15.2 C (59.4 F)	1.5 C (2.7 F)	101 years	46 of 100 (Notable)
8 August 1973	Segen-Kyuel, RU	all-time rain	75.1 mm (3.0 in)	11.1 mm (0.4 in)	35 years	45 of 100 (Notable)
8 August 1973	Westmoreland, US	monthly rain	117.1 mm (4.6 in)	29.7 mm (1.2 in)	26 years	44 of 100 (Notable)
8 August 1973	Milaca, US	daily rain	62.2 mm (2.4 in)	26.6 mm (1.0 in)	64 years	43 of 100 (Notable)
8 August 1973	Memphis, US	daily rain	40.6 mm (1.6 in)	27.9 mm (1.1 in)	54 years	43 of 100 (Notable)
8 August 1973	Winthrop UNIV, US	daily rain	68.6 mm (2.7 in)	28.5 mm (1.1 in)	68 years	42 of 100 (Notable)
8 August 1973	Luling, US	daily low min	17.2 C (63.0 F)	2.2 C (4.0 F)	68 years	40 of 100 (Notable)
8 August 1973	Nyzhniohirsk, UA	daily rain	33.9 mm (1.3 in)	19.4 mm (0.8 in)	34 years	38 of 100 (Notable)
8 August 1973	Mio Hydro Plt, US	daily high min	21.7 C (71.1 F)	3.9 C (7.0 F)	74 years	38 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

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 446 records.

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

Records on 08-08 in each year
Year	Records
1793	1
1798	1
1800	1
1808	3
1815	1
1833	1
1843	1
1844	2
1845	1
1854	1
1859	3
1860	1
1861	1
1863	1
1865	1
1868	2
1869	1
1871	1
1873	3
1875	2
1876	2
1877	1
1878	1
1879	2
1880	1
1884	3
1888	3
1890	2
1891	1
1892	2
1893	1
1895	8
1896	2
1897	5
1898	10
1899	8
1900	11
1901	2
1902	2
1903	20
1904	13
1905	7
1906	9
1907	9
1908	13
1909	34
1910	5
1911	38
1912	57
1913	28
1914	7
1915	47
1916	39
1917	35
1918	160
1919	28
1920	138
1921	42
1922	74
1923	70
1924	99
1925	149
1926	190
1927	278
1928	252
1929	166
1930	801
1931	318
1932	234
1933	228
1934	734
1935	508
1936	359
1937	362
1938	855
1939	671
1940	333
1941	324
1942	614
1943	512
1944	352
1945	572
1946	349
1947	442
1948	543
1949	675
1950	516
1951	513
1952	305
1953	393
1954	558
1955	537
1956	273
1957	517
1958	496
1959	470
1960	399
1961	270
1962	567
1963	601
1964	467
1965	520
1966	598
1967	432
1968	868
1969	584
1970	703
1971	646
1972	1,073
1973	446
1974	726
1975	1,041
1976	1,202
1977	607
1978	976
1979	466
1980	919
1981	964
1982	711
1983	1,110
1984	619
1985	726
1986	575
1987	861
1988	733
1989	2,398
1990	1,124
1991	1,230
1992	1,267
1993	654
1994	1,009
1995	1,503
1996	814
1997	1,381
1998	1,304
1999	1,248
2000	961
2001	1,557
2002	1,059
2003	1,432
2004	1,115
2005	882
2006	842
2007	1,660
2008	834
2009	1,112
2010	1,254
2011	1,256
2012	754
2013	841
2014	542
2015	835
2016	560
2017	831
2018	731
2019	722
2020	894
2021	502
2022	711
2023	979
2024	774
2025	752
2026	1,000

Download the Data

Data for records on 1973-08-08: 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 10	275
10 to 20	34
20 to 30	15
30 to 40	7
40 to 50	4
50 to 60	0
60 to 70	0
70 to 80	1