Weather Records on 12 August 1963

559 weather records were set or tied worldwide on 12 August 1963. Highest significance: Mirani Post Office, AU.

Key Facts for 12 August 1963

On 12 August 1963, 559 weather records were set or tied at long-record stations worldwide.
135 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 543 daily.
Mirani Post Office set a daily record precipitation of 65.0 mm (2.6 in) on 12 August 1963.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

559 stations

559 station records on 12 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mirani Post Office	Australia	Record daily precipitation	65.0 mm (2.6 in)	65 of 100 (Major)
Beaver City	United States	Record daily precipitation	116.8 mm (4.6 in)	64 of 100 (Major)
Ilav	India	Record daily precipitation	121.0 mm (4.8 in)	62 of 100 (Major)
Sonkatch	India	Record daily precipitation	144.8 mm (5.7 in)	62 of 100 (Major)
Ravenswood Post Office	Australia	Record daily precipitation	48.3 mm (1.9 in)	60 of 100 (Major)
Long Prairie	United States	Record daily precipitation	102.4 mm (4.0 in)	60 of 100 (Major)
Milaca	United States	Record daily precipitation	107.2 mm (4.2 in)	59 of 100 (Notable)
Mora	United States	Record daily precipitation	70.4 mm (2.8 in)	59 of 100 (Notable)
Gadarwara	India	Record daily precipitation	153.4 mm (6.0 in)	57 of 100 (Notable)
Bhor	India	Record daily precipitation	87.6 mm (3.4 in)	56 of 100 (Notable)
Bowbells	United States	Record daily precipitation	47.8 mm (1.9 in)	56 of 100 (Notable)
Burdekin Shire Council	Australia	Record daily precipitation	43.2 mm (1.7 in)	55 of 100 (Notable)
Nebo	Australia	Record daily precipitation	44.5 mm (1.8 in)	55 of 100 (Notable)
Phillipsburg 1 SSE	United States	Record daily precipitation	126.5 mm (5.0 in)	55 of 100 (Notable)
Victoria Sugar Mill	Australia	Record daily precipitation	30.5 mm (1.2 in)	54 of 100 (Notable)
Ludhiana	India	Record daily precipitation	209.8 mm (8.3 in)	54 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	77.0 mm (3.0 in)	54 of 100 (Notable)
Cambridge	United States	Record daily precipitation	59.4 mm (2.3 in)	53 of 100 (Notable)
Wilsonville	United States	Record daily precipitation	72.4 mm (2.9 in)	53 of 100 (Notable)
Torrens Creek Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Barcombe	Australia	Record daily precipitation	55.4 mm (2.2 in)	52 of 100 (Notable)
Bowen Post Office	Australia	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
Queenton	Australia	Record daily precipitation	26.7 mm (1.1 in)	51 of 100 (Notable)
Mahidpur	India	Record daily precipitation	213.0 mm (8.4 in)	51 of 100 (Notable)
Dahanu	India	Record daily precipitation	161.9 mm (6.4 in)	51 of 100 (Notable)
Prentice #2	United States	Record daily precipitation	66.8 mm (2.6 in)	51 of 100 (Notable)
Home Hill Fifteen A St	Australia	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Te Kowai Exp STN	Australia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Plane Creek Sugar Mill	Australia	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Raisen	India	Record daily precipitation	207.0 mm (8.1 in)	50 of 100 (Notable)
Rhinelander	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	84.8 mm (3.3 in)	49 of 100 (Notable)
Farleigh Co-Op Sugar Mill	Australia	Record daily precipitation	50.0 mm (2.0 in)	48 of 100 (Notable)
Aurora	United States	Record daily precipitation	55.1 mm (2.2 in)	48 of 100 (Notable)
Conway Station	Australia	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Eton Police Station	Australia	Record daily precipitation	47.8 mm (1.9 in)	47 of 100 (Notable)
Finch Hatton Cook St	Australia	Record daily precipitation	90.2 mm (3.6 in)	47 of 100 (Notable)
Mount McConnell	Australia	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Mount Wilkin	Australia	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Whitewood Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	47 of 100 (Notable)
Vidisha	India	Record daily precipitation	166.8 mm (6.6 in)	47 of 100 (Notable)
Little Falls 2NNE	United States	Record daily precipitation	69.9 mm (2.8 in)	47 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Bezeck	Russia	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Escanaba	United States	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Reid River Railway Station	Australia	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Strathmore	Australia	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Dryden	Canada	Record daily precipitation	39.1 mm (1.5 in)	43 of 100 (Notable)
Home Hill Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	42 of 100 (Notable)
Gogha	India	Record daily precipitation	125.5 mm (4.9 in)	42 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Bloomsbury Post Office	Australia	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Pleystowe Sugar Mill	Australia	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Narsingarh	India	Record daily precipitation	105.2 mm (4.1 in)	41 of 100 (Notable)
Wando Vale Station	Australia	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Tot-Ma	Russia	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Capella Post Office	Australia	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Mooramin	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Bhopal	India	Record daily precipitation	99.8 mm (3.9 in)	39 of 100 (Notable)

Counts by Type and Timescale

559 records

Records set or tied on 12 August 1963 by type: Highest daily maximum 26, Lowest daily maximum 30, Highest daily minimum 109, Lowest daily minimum 24, Heaviest daily rainfall 370.

Records on 12 August 1963 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	30
Highest daily minimum	109
Lowest daily minimum	24
Heaviest daily rainfall	370
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1963 by timescale: all-time 0, monthly 16, daily 543.

How Much Records Were Beaten By

480 broken records

Margins by which the 480 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 157.1. Ties are not counted.

Top 20 by Significance

12 August 1963

Top 20 records on 12 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1963	Mirani Post Office, AU	daily rain	65.0 mm (2.6 in)	62.5 mm (2.5 in)	63 years	65 of 100 (Major)
12 August 1963	Beaver City, US	daily rain	116.8 mm (4.6 in)	99.0 mm (3.9 in)	57 years	64 of 100 (Major)
12 August 1963	Ilav, IN	daily rain	121.0 mm (4.8 in)	97.1 mm (3.8 in)	56 years	62 of 100 (Major)
12 August 1963	Sonkatch, IN	daily rain	144.8 mm (5.7 in)	110.5 mm (4.4 in)	61 years	62 of 100 (Major)
12 August 1963	Ravenswood Post Office, AU	daily rain	48.3 mm (1.9 in)	44.2 mm (1.7 in)	69 years	60 of 100 (Major)
12 August 1963	Long Prairie, US	daily rain	102.4 mm (4.0 in)	67.1 mm (2.6 in)	45 years	60 of 100 (Major)
12 August 1963	Milaca, US	daily rain	107.2 mm (4.2 in)	78.0 mm (3.1 in)	45 years	59 of 100 (Notable)
12 August 1963	Mora, US	daily rain	70.4 mm (2.8 in)	50.8 mm (2.0 in)	45 years	59 of 100 (Notable)
12 August 1963	Gadarwara, IN	daily rain	153.4 mm (6.0 in)	103.9 mm (4.1 in)	41 years	57 of 100 (Notable)
12 August 1963	Bhor, IN	daily rain	87.6 mm (3.4 in)	40.9 mm (1.6 in)	56 years	56 of 100 (Notable)
12 August 1963	Bowbells, US	daily rain	47.8 mm (1.9 in)	36.6 mm (1.4 in)	44 years	56 of 100 (Notable)
12 August 1963	Burdekin Shire Council, AU	daily rain	43.2 mm (1.7 in)	32.5 mm (1.3 in)	75 years	55 of 100 (Notable)
12 August 1963	Nebo, AU	daily rain	44.5 mm (1.8 in)	28.5 mm (1.1 in)	75 years	55 of 100 (Notable)
12 August 1963	Phillipsburg 1 SSE, US	monthly rain	126.5 mm (5.0 in)	28.5 mm (1.1 in)	52 years	55 of 100 (Notable)
12 August 1963	Victoria Sugar Mill, AU	daily rain	30.5 mm (1.2 in)	23.9 mm (0.9 in)	53 years	54 of 100 (Notable)
12 August 1963	Ludhiana, IN	monthly rain	209.8 mm (8.3 in)	49.8 mm (2.0 in)	55 years	54 of 100 (Notable)
12 August 1963	Col du Grand St-Bernard, CH	daily rain	77.0 mm (3.0 in)	38.3 mm (1.5 in)	41 years	54 of 100 (Notable)
12 August 1963	Cambridge, US	daily rain	59.4 mm (2.3 in)	56.9 mm (2.2 in)	20 years	53 of 100 (Notable)
12 August 1963	Wilsonville, US	daily rain	72.4 mm (2.9 in)	64.0 mm (2.5 in)	21 years	53 of 100 (Notable)
12 August 1963	Torrens Creek Post Office, AU	daily rain	30.5 mm (1.2 in)	28.5 mm (1.1 in)	53 years	52 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 559 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 1963-08-12: 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	375
20 to 40	60
40 to 60	27
60 to 80	6
80 to 100	8
100 to 120	2
120 to 140	1
140 to 160	1