Weather Records on 9 August 1973

547 weather records were set or tied worldwide on 9 August 1973. Highest significance: Steffenville, US.

Key Facts for 9 August 1973

On 9 August 1973, 547 weather records were set or tied at long-record stations worldwide.
196 were record highs and 91 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 532 daily.
Steffenville set a daily record precipitation of 101.6 mm (4.0 in) on 9 August 1973.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

547 stations

547 station records on 9 August 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Steffenville	United States	Record daily precipitation	101.6 mm (4.0 in)	62 of 100 (Major)
Nyzhniohirsk	Ukraine	Record daily precipitation	97.6 mm (3.8 in)	61 of 100 (Major)
Enid	United States	Record daily precipitation	91.9 mm (3.6 in)	56 of 100 (Notable)
Volnovakha	Ukraine	Record daily precipitation	42.6 mm (1.7 in)	52 of 100 (Notable)
Kirksville	United States	Record daily precipitation	85.3 mm (3.4 in)	52 of 100 (Notable)
Shelbina	United States	Record daily precipitation	87.6 mm (3.4 in)	52 of 100 (Notable)
Zhizdra	Russia	Record daily precipitation	70.9 mm (2.8 in)	49 of 100 (Notable)
Sumy	Ukraine	Record daily precipitation	62.8 mm (2.5 in)	48 of 100 (Notable)
Gulu	Uganda	Record daily precipitation	101.7 mm (4.0 in)	47 of 100 (Notable)
Poltava	Ukraine	Record daily precipitation	49.0 mm (1.9 in)	45 of 100 (Notable)
Simferopol	Ukraine	Record daily precipitation	50.5 mm (2.0 in)	44 of 100 (Notable)
Koroit	Australia	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Royal Observatory	South Africa	Record daily precipitation	32.7 mm (1.3 in)	43 of 100 (Notable)
Jungapeo	Mexico	Record daily precipitation	46.5 mm (1.8 in)	42 of 100 (Notable)
Lozova	Ukraine	Record daily precipitation	35.8 mm (1.4 in)	42 of 100 (Notable)
Perry	United States	Record daily precipitation	81.3 mm (3.2 in)	40 of 100 (Notable)
Chaplyne	Ukraine	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Labelle	United States	Record daily precipitation	97.5 mm (3.8 in)	39 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	40.8 mm (1.6 in)	38 of 100 (Notable)
Strelkovoe	Ukraine	Record daily precipitation	26.6 mm (1.0 in)	38 of 100 (Notable)
Princeton	United States	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Milan	United States	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Teberda	Russia	Record daily precipitation	27.0 mm (1.1 in)	35 of 100 (Notable)
Caledonia	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Kustanai	Kazakhstan	Record daily precipitation	26.3 mm (1.0 in)	34 of 100 (Routine)
Zinapecuaro	Mexico	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Carrabelle 1 NNW	United States	Record high minimum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
North Bay	Canada	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Durham	Canada	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Monroe City	United States	Record daily precipitation	57.9 mm (2.3 in)	33 of 100 (Routine)
Collingwood	Canada	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
C.A.E. Llera	Mexico	Record low minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Ocala	United States	Record low minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Bay City	United States	Record high minimum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Port Fairy Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Tuzantla (Smn)	Mexico	Record daily precipitation	79.0 mm (3.1 in)	31 of 100 (Routine)
Villahermosa (Smn)	Mexico	Record daily precipitation	87.9 mm (3.5 in)	31 of 100 (Routine)
Villagran (Smn)	Mexico	Record daily precipitation	49.8 mm (2.0 in)	31 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Durham	United States	Record high minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Eersterivier (Bos)	South Africa	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Kahoka	United States	Record daily precipitation	62.5 mm (2.5 in)	30 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	4.9 C (40.8 F)	29 of 100 (Routine)
Bergland Dam	United States	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Brome	Canada	Record high minimum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Holland Wtp	United States	Record high maximum temperature	35.6 C (96.1 F)	28 of 100 (Routine)
Palmyra	United States	Record daily precipitation	49.0 mm (1.9 in)	28 of 100 (Routine)
Billings	United States	Record daily precipitation	46.2 mm (1.8 in)	28 of 100 (Routine)
Valle de Santiago	Mexico	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Huamuxtitlan (Smn)	Mexico	Record daily precipitation	57.9 mm (2.3 in)	27 of 100 (Routine)
Pavlograd	Ukraine	Record daily precipitation	41.4 mm (1.6 in)	27 of 100 (Routine)
Watertown	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Holdenville 2SSE	United States	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	4.5 C (40.1 F)	26 of 100 (Routine)
Pericos	Mexico	Record daily precipitation	40.9 mm (1.6 in)	26 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Belleville	Canada	Record high minimum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Harrington Harbour	Canada	Record high maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

547 records

Records set or tied on 9 August 1973 by type: Highest daily maximum 42, Lowest daily maximum 38, Highest daily minimum 154, Lowest daily minimum 53, Heaviest daily rainfall 260.

Records on 9 August 1973 by type
Record type	Records
Highest daily maximum	42
Lowest daily maximum	38
Highest daily minimum	154
Lowest daily minimum	53
Heaviest daily rainfall	260
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1973 by timescale: all-time 1, monthly 14, daily 532.

How Much Records Were Beaten By

432 broken records

Margins by which the 432 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.7. Ties are not counted.

Top 20 by Significance

9 August 1973

Top 20 records on 9 August 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1973	Steffenville, US	daily rain	101.6 mm (4.0 in)	78.7 mm (3.1 in)	48 years	62 of 100 (Major)
9 August 1973	Nyzhniohirsk, UA	all-time rain	97.6 mm (3.8 in)	29.7 mm (1.2 in)	2 years	61 of 100 (Major)
9 August 1973	Enid, US	daily rain	91.9 mm (3.6 in)	53.3 mm (2.1 in)	77 years	56 of 100 (Notable)
9 August 1973	Volnovakha, UA	daily rain	42.6 mm (1.7 in)	33.6 mm (1.3 in)	36 years	52 of 100 (Notable)
9 August 1973	Kirksville, US	daily rain	85.3 mm (3.4 in)	54.8 mm (2.2 in)	48 years	52 of 100 (Notable)
9 August 1973	Shelbina, US	daily rain	87.6 mm (3.4 in)	54.1 mm (2.1 in)	42 years	52 of 100 (Notable)
9 August 1973	Zhizdra, RU	monthly rain	70.9 mm (2.8 in)	19.9 mm (0.8 in)	12 years	49 of 100 (Notable)
9 August 1973	Sumy, UA	daily rain	62.8 mm (2.5 in)	53.8 mm (2.1 in)	18 years	48 of 100 (Notable)
9 August 1973	Gulu, UG	daily rain	101.7 mm (4.0 in)	58.0 mm (2.3 in)	23 years	47 of 100 (Notable)
9 August 1973	Poltava, UA	daily rain	49.0 mm (1.9 in)	17.5 mm (0.7 in)	60 years	45 of 100 (Notable)
9 August 1973	Simferopol, UA	monthly rain	50.5 mm (2.0 in)	10.1 mm (0.4 in)	43 years	44 of 100 (Notable)
9 August 1973	Koroit, AU	daily rain	25.1 mm (1.0 in)	5.5 mm (0.22 in)	82 years	43 of 100 (Notable)
9 August 1973	Royal Observatory, ZA	daily rain	32.7 mm (1.3 in)	2.5 mm (0.10 in)	115 years	43 of 100 (Notable)
9 August 1973	Jungapeo, MX	daily rain	46.5 mm (1.8 in)	26.7 mm (1.1 in)	31 years	42 of 100 (Notable)
9 August 1973	Lozova, UA	daily rain	35.8 mm (1.4 in)	21.4 mm (0.8 in)	36 years	42 of 100 (Notable)
9 August 1973	Perry, US	daily rain	81.3 mm (3.2 in)	44.7 mm (1.8 in)	18 years	40 of 100 (Notable)
9 August 1973	Chaplyne, UA	daily rain	39.4 mm (1.6 in)	32.4 mm (1.3 in)	16 years	39 of 100 (Notable)
9 August 1973	Labelle, US	daily rain	97.5 mm (3.8 in)	56.1 mm (2.2 in)	32 years	39 of 100 (Notable)
9 August 1973	Stellenbosch (Tnk), ZA	daily rain	40.8 mm (1.6 in)	2.7 mm (0.11 in)	92 years	38 of 100 (Notable)
9 August 1973	Strelkovoe, UA	daily rain	26.6 mm (1.0 in)	24.8 mm (1.0 in)	0 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

1798 to 1973

Records set or tied on this calendar date in each year from 1798 to 1973. 1973 had 547 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1973-08-09: 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	367
10 to 20	33
20 to 30	17
30 to 40	6
40 to 50	2
50 to 60	6
60 to 70	0
70 to 80	1