Weather Records on 11 August 1963

493 weather records were set or tied worldwide on 11 August 1963. Highest significance: Woodhouse, AU.

Key Facts for 11 August 1963

On 11 August 1963, 493 weather records were set or tied at long-record stations worldwide.
122 were record highs and 97 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 482 daily.
Woodhouse set a daily record precipitation of 50.8 mm (2.0 in) on 11 August 1963.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

493 stations

493 station records on 11 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Woodhouse	Australia	Record daily precipitation	50.8 mm (2.0 in)	63 of 100 (Major)
Washburn	United States	Record daily precipitation	48.3 mm (1.9 in)	61 of 100 (Major)
Tangorin	Australia	Record daily precipitation	38.6 mm (1.5 in)	60 of 100 (Major)
Mt Hope	Australia	Record daily precipitation	48.5 mm (1.9 in)	55 of 100 (Notable)
Gillespie	Australia	Record daily precipitation	39.4 mm (1.6 in)	55 of 100 (Notable)
Chhuikhadan	India	Record daily precipitation	158.5 mm (6.2 in)	54 of 100 (Notable)
Koregaon	India	Record daily precipitation	64.9 mm (2.6 in)	54 of 100 (Notable)
Kharra	India	Record daily precipitation	132.1 mm (5.2 in)	52 of 100 (Notable)
Birricannia	Australia	Record daily precipitation	49.3 mm (1.9 in)	50 of 100 (Notable)
Bombay (Colaba) Obsy Sr	India	Record daily precipitation	138.2 mm (5.4 in)	50 of 100 (Notable)
Craig	United States	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Mirtna	Australia	Record daily precipitation	30.7 mm (1.2 in)	48 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Wai	India	Record daily precipitation	55.0 mm (2.2 in)	47 of 100 (Notable)
Alice Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Lochnagar	Australia	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Proserpine Post Office	Australia	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Clermont Sirius St	Australia	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Twin Hills Post Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Uran	India	Record daily precipitation	153.6 mm (6.0 in)	43 of 100 (Notable)
Dotswood	Australia	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
Balaghat	India	Record daily precipitation	116.6 mm (4.6 in)	42 of 100 (Notable)
Pindron	India	Record daily precipitation	110.5 mm (4.4 in)	42 of 100 (Notable)
Thana	India	Record daily precipitation	138.2 mm (5.4 in)	42 of 100 (Notable)
Hyannis	United States	Record low minimum temperature	7.2 C (45.0 F)	42 of 100 (Notable)
Newport 1 NW	United States	Record low maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Elgin Downs	Australia	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Matheran	India	Record daily precipitation	312.0 mm (12.3 in)	41 of 100 (Notable)
Ghoda Ambegaon	India	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Harden Park	Australia	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Blackall Township	Australia	Record daily precipitation	32.5 mm (1.3 in)	40 of 100 (Notable)
Waramain	India	Record daily precipitation	172.5 mm (6.8 in)	40 of 100 (Notable)
Lammermoor Station	Australia	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Bulliwallah	Australia	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Panvel	India	Record daily precipitation	182.9 mm (7.2 in)	39 of 100 (Notable)
Imphal (C.Hosp)	India	Record daily precipitation	75.7 mm (3.0 in)	39 of 100 (Notable)
Sapphire Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
Altentreptow	Germany	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Marshall	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Stamford Station	Australia	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Emerald Post Office	Australia	Record low maximum temperature	13.0 C (55.4 F)	37 of 100 (Notable)
Cameron Downs	Australia	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Sohagpur	India	Record daily precipitation	153.2 mm (6.0 in)	37 of 100 (Notable)
Hooker	United States	Record daily precipitation	29.7 mm (1.2 in)	37 of 100 (Notable)
Bowen Downs	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Holmleigh	Australia	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Palitana	India	Record daily precipitation	43.5 mm (1.7 in)	36 of 100 (Notable)
Kattanjhiri	India	Record daily precipitation	107.9 mm (4.2 in)	36 of 100 (Notable)
Aramac Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Bayana Biana	India	Record daily precipitation	94.0 mm (3.7 in)	34 of 100 (Routine)
Trinidad	United States	Record low minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Zara Station	Australia	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Conway Station	Australia	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Hangal	India	Record daily precipitation	56.1 mm (2.2 in)	33 of 100 (Routine)
Lanji	India	Record daily precipitation	181.2 mm (7.1 in)	33 of 100 (Routine)
Pentland Post Office	Australia	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Barcaldine Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Coreena	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Sutton Downs	Australia	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record low maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

493 records

Records set or tied on 11 August 1963 by type: Highest daily maximum 16, Lowest daily maximum 42, Highest daily minimum 106, Lowest daily minimum 55, Heaviest daily rainfall 274.

Records on 11 August 1963 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	42
Highest daily minimum	106
Lowest daily minimum	55
Heaviest daily rainfall	274
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1963 by timescale: all-time 0, monthly 11, daily 482.

How Much Records Were Beaten By

396 broken records

Margins by which the 396 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 123.5. Ties are not counted.

Top 20 by Significance

11 August 1963

Top 20 records on 11 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1963	Woodhouse, AU	daily rain	50.8 mm (2.0 in)	50.8 mm (2.0 in)	66 years	63 of 100 (Major)
11 August 1963	Washburn, US	daily rain	48.3 mm (1.9 in)	30.8 mm (1.2 in)	62 years	61 of 100 (Major)
11 August 1963	Tangorin, AU	daily rain	38.6 mm (1.5 in)	38.6 mm (1.5 in)	70 years	60 of 100 (Major)
11 August 1963	Mt Hope, AU	daily rain	48.5 mm (1.9 in)	48.5 mm (1.9 in)	37 years	55 of 100 (Notable)
11 August 1963	Gillespie, AU	daily rain	39.4 mm (1.6 in)	39.4 mm (1.6 in)	84 years	55 of 100 (Notable)
11 August 1963	Chhuikhadan, IN	monthly rain	158.5 mm (6.2 in)	45.2 mm (1.8 in)	50 years	54 of 100 (Notable)
11 August 1963	Koregaon, IN	daily rain	64.9 mm (2.6 in)	47.6 mm (1.9 in)	28 years	54 of 100 (Notable)
11 August 1963	Kharra, IN	daily rain	132.1 mm (5.2 in)	88.4 mm (3.5 in)	36 years	52 of 100 (Notable)
11 August 1963	Birricannia, AU	daily rain	49.3 mm (1.9 in)	47.3 mm (1.9 in)	16 years	50 of 100 (Notable)
11 August 1963	Bombay (Colaba) Obsy Sr, IN	daily rain	138.2 mm (5.4 in)	103.4 mm (4.1 in)	14 years	50 of 100 (Notable)
11 August 1963	Craig, US	daily rain	27.9 mm (1.1 in)	24.1 mm (0.9 in)	12 years	50 of 100 (Notable)
11 August 1963	Mirtna, AU	daily rain	30.7 mm (1.2 in)	30.7 mm (1.2 in)	49 years	48 of 100 (Notable)
11 August 1963	Alpha Post Office, AU	daily rain	26.2 mm (1.0 in)	19.1 mm (0.8 in)	75 years	47 of 100 (Notable)
11 August 1963	Wai, IN	daily rain	55.0 mm (2.2 in)	25.8 mm (1.0 in)	61 years	47 of 100 (Notable)
11 August 1963	Alice Post Office, AU	daily rain	25.4 mm (1.0 in)	24.6 mm (1.0 in)	71 years	45 of 100 (Notable)
11 August 1963	Lochnagar, AU	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	63 years	45 of 100 (Notable)
11 August 1963	Proserpine Post Office, AU	daily rain	38.4 mm (1.5 in)	24.4 mm (1.0 in)	44 years	44 of 100 (Notable)
11 August 1963	Clermont Sirius St, AU	daily rain	31.8 mm (1.3 in)	14.8 mm (0.6 in)	75 years	43 of 100 (Notable)
11 August 1963	Twin Hills Post Office, AU	daily rain	46.0 mm (1.8 in)	34.6 mm (1.4 in)	6 years	43 of 100 (Notable)
11 August 1963	Uran, IN	daily rain	153.6 mm (6.0 in)	92.6 mm (3.6 in)	14 years	43 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 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 493 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1963-08-11: 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	316
20 to 40	55
40 to 60	12
60 to 80	7
80 to 100	4
100 to 120	1
120 to 140	1