Weather Records on 9 August 1963

500 weather records were set or tied worldwide on 9 August 1963. Highest significance: Karlshamn, SE.

Key Facts for 9 August 1963

On 9 August 1963, 500 weather records were set or tied at long-record stations worldwide.
132 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 487 daily.
Karlshamn set a daily record precipitation of 40.0 mm (1.6 in) on 9 August 1963.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

500 stations

500 station records on 9 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Karlshamn	Sweden	Record daily precipitation	40.0 mm (1.6 in)	60 of 100 (Major)
Doornbosch	South Africa	Record daily precipitation	31.5 mm (1.2 in)	56 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	86.4 mm (3.4 in)	52 of 100 (Notable)
University Exp STN	United States	Record daily precipitation	29.5 mm (1.2 in)	52 of 100 (Notable)
Yandarloo	Australia	Record daily precipitation	37.8 mm (1.5 in)	50 of 100 (Notable)
Piketberg (Pol)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	47 of 100 (Notable)
Abbott 1 SE	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Clanwilliam (Pol)	South Africa	Record daily precipitation	45.5 mm (1.8 in)	44 of 100 (Notable)
Tepeaca	Mexico	Record daily precipitation	49.3 mm (1.9 in)	43 of 100 (Notable)
Fairbanks Intl AP	United States	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Partabgarh	India	Record daily precipitation	161.3 mm (6.4 in)	42 of 100 (Notable)
San Marcos	United States	Record daily precipitation	35.3 mm (1.4 in)	42 of 100 (Notable)
New Delhi/Safdarjun	India	Record daily precipitation	78.4 mm (3.1 in)	41 of 100 (Notable)
Hopewell 1 SE	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Huntsville	United States	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Pieter Meintjies (Sar)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	38 of 100 (Notable)
Minsk	Belarus	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Emerald Post Office	Australia	Record low maximum temperature	15.1 C (59.2 F)	36 of 100 (Notable)
Riverslea Tm	Australia	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Tauru(Uaoru)	India	Record daily precipitation	73.0 mm (2.9 in)	36 of 100 (Notable)
Humansdorp (Pol)	South Africa	Record daily precipitation	40.5 mm (1.6 in)	36 of 100 (Notable)
Broken Bow 2 W	United States	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record daily precipitation	68.1 mm (2.7 in)	34 of 100 (Routine)
Frogmoor	Australia	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Normandy	Australia	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Mundo Novo	Brazil	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Price	Canada	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Grants Pass	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Byfield Childs Road	Australia	Record daily precipitation	77.5 mm (3.1 in)	32 of 100 (Routine)
Coorada	Australia	Record daily precipitation	30.2 mm (1.2 in)	32 of 100 (Routine)
Chirawa	India	Record daily precipitation	43.7 mm (1.7 in)	32 of 100 (Routine)
Riddle	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Tenosique (Smn)	Mexico	Record daily precipitation	64.3 mm (2.5 in)	31 of 100 (Routine)
Sohana	India	Record daily precipitation	75.6 mm (3.0 in)	30 of 100 (Routine)
Khandhla	India	Record daily precipitation	101.6 mm (4.0 in)	30 of 100 (Routine)
Rockford	South Africa	Record daily precipitation	40.0 mm (1.6 in)	30 of 100 (Routine)
Los Gatos	United States	Record low minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Madison	United States	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)
Norfolk	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Beaufort Wwtp	United States	Record high minimum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Wooroona	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Ballabgarh	India	Record daily precipitation	65.2 mm (2.6 in)	29 of 100 (Routine)
Turgaj	Kazakhstan	Record low minimum temperature	8.0 C (46.4 F)	29 of 100 (Routine)
Nieuwoudville (Pol)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Trona	United States	Record low maximum temperature	30.6 C (87.1 F)	29 of 100 (Routine)
Valdosta 2 S	United States	Record daily precipitation	60.5 mm (2.4 in)	29 of 100 (Routine)
Modasa	India	Record daily precipitation	85.9 mm (3.4 in)	28 of 100 (Routine)
Zuara	Libya	Record high maximum temperature	45.0 C (113.0 F)	28 of 100 (Routine)
Quaggasdrift	South Africa	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
St Augustine	United States	Record low minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Bliss 4 NW	United States	Record high minimum temperature	21.1 C (70.0 F)	28 of 100 (Routine)
Hammond	United States	Record low minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Modoc Orchard	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Richland	United States	Record high minimum temperature	18.3 C (64.9 F)	28 of 100 (Routine)
Luling	United States	Record daily precipitation	39.4 mm (1.6 in)	28 of 100 (Routine)
Glentana	Australia	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Jeoli Jansath	India	Record daily precipitation	85.9 mm (3.4 in)	27 of 100 (Routine)
Steinkopf (Pol)	South Africa	Record daily precipitation	28.5 mm (1.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

500 records

Records set or tied on 9 August 1963 by type: Highest daily maximum 33, Lowest daily maximum 46, Highest daily minimum 99, Lowest daily minimum 33, Heaviest daily rainfall 289.

Records on 9 August 1963 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	46
Highest daily minimum	99
Lowest daily minimum	33
Heaviest daily rainfall	289
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1963 by timescale: all-time 1, monthly 12, daily 487.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.4. Ties are not counted.

Top 20 by Significance

9 August 1963

Top 20 records on 9 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1963	Karlshamn, SE	daily rain	40.0 mm (1.6 in)	28.3 mm (1.1 in)	36 years	60 of 100 (Major)
9 August 1963	Doornbosch, ZA	daily rain	31.5 mm (1.2 in)	31.5 mm (1.2 in)	41 years	56 of 100 (Notable)
9 August 1963	Du Quoin 4 SE, US	daily rain	86.4 mm (3.4 in)	46.3 mm (1.8 in)	50 years	52 of 100 (Notable)
9 August 1963	University Exp STN, US	daily rain	29.5 mm (1.2 in)	20.6 mm (0.8 in)	53 years	52 of 100 (Notable)
9 August 1963	Yandarloo, AU	daily rain	37.8 mm (1.5 in)	35.3 mm (1.4 in)	29 years	50 of 100 (Notable)
9 August 1963	Piketberg (Pol), ZA	daily rain	38.0 mm (1.5 in)	13.9 mm (0.5 in)	76 years	47 of 100 (Notable)
9 August 1963	Abbott 1 SE, US	daily rain	57.2 mm (2.3 in)	29.3 mm (1.2 in)	45 years	46 of 100 (Notable)
9 August 1963	Clanwilliam (Pol), ZA	monthly rain	45.5 mm (1.8 in)	4.9 mm (0.19 in)	54 years	44 of 100 (Notable)
9 August 1963	Tepeaca, MX	daily rain	49.3 mm (1.9 in)	32.5 mm (1.3 in)	29 years	43 of 100 (Notable)
9 August 1963	Fairbanks Intl AP, US	daily rain	30.0 mm (1.2 in)	19.3 mm (0.8 in)	22 years	43 of 100 (Notable)
9 August 1963	Partabgarh, IN	daily rain	161.3 mm (6.4 in)	87.4 mm (3.4 in)	8 years	42 of 100 (Notable)
9 August 1963	San Marcos, US	daily rain	35.3 mm (1.4 in)	32.8 mm (1.3 in)	48 years	42 of 100 (Notable)
9 August 1963	New Delhi/Safdarjun, IN	daily rain	78.4 mm (3.1 in)	39.0 mm (1.5 in)	58 years	41 of 100 (Notable)
9 August 1963	Hopewell 1 SE, US	daily rain	40.6 mm (1.6 in)	22.8 mm (0.9 in)	40 years	41 of 100 (Notable)
9 August 1963	Rio Grande City, US	daily rain	38.1 mm (1.5 in)	37.8 mm (1.5 in)	22 years	41 of 100 (Notable)
9 August 1963	St Lawrence Post Office, AU	daily rain	36.3 mm (1.4 in)	23.6 mm (0.9 in)	37 years	40 of 100 (Notable)
9 August 1963	Huntsville, US	daily rain	41.4 mm (1.6 in)	30.5 mm (1.2 in)	48 years	39 of 100 (Notable)
9 August 1963	Pieter Meintjies (Sar), ZA	daily rain	40.0 mm (1.6 in)	20.7 mm (0.8 in)	41 years	38 of 100 (Notable)
9 August 1963	Minsk, BY	monthly high min	18.9 C (66.0 F)	0.2 C (0.4 F)	68 years	37 of 100 (Notable)
9 August 1963	Emerald Post Office, AU	daily low max	15.1 C (59.2 F)	4.9 C (8.8 F)	49 years	36 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 1963

Records set or tied on this calendar date in each year from 1798 to 1963. 1963 had 500 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 1963-08-09: 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 20	381
20 to 40	41
40 to 60	5
60 to 80	0
80 to 100	1