Weather Records on 10 August 1966

1,231 weather records were set or tied worldwide on 10 August 1966. Highest significance: Smeaton Weir, AU.

Key Facts for 10 August 1966

On 10 August 1966, 1,231 weather records were set or tied at long-record stations worldwide.
80 were record highs and 230 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 1,220 daily.
Smeaton Weir set a daily record precipitation of 37.6 mm (1.5 in) on 10 August 1966.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 464 records.

Record Map

1,231 stations

1,231 station records on 10 August 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Smeaton Weir	Australia	Record daily precipitation	37.6 mm (1.5 in)	72 of 100 (Major)
Maldon (Derby Hill)	Australia	Record daily precipitation	44.5 mm (1.8 in)	72 of 100 (Major)
Tullaroop Reservoir	Australia	Record daily precipitation	33.0 mm (1.3 in)	72 of 100 (Major)
Campbelltown	Australia	Record daily precipitation	33.0 mm (1.3 in)	64 of 100 (Major)
Talbot (Post Office)	Australia	Record daily precipitation	31.0 mm (1.2 in)	63 of 100 (Major)
Yandoit	Australia	Record daily precipitation	35.6 mm (1.4 in)	63 of 100 (Major)
Kilmore Assumption College	Australia	Record daily precipitation	30.2 mm (1.2 in)	62 of 100 (Major)
Eureka 1E	United States	Record daily precipitation	81.3 mm (3.2 in)	62 of 100 (Major)
Tennyson	Australia	Record daily precipitation	27.4 mm (1.1 in)	61 of 100 (Major)
Barkers Creek Reservoir	Australia	Record daily precipitation	31.5 mm (1.2 in)	61 of 100 (Major)
Kottarakara	India	Record daily precipitation	193.5 mm (7.6 in)	61 of 100 (Major)
Donald Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	60 of 100 (Major)
Carisbrook	Australia	Record daily precipitation	27.2 mm (1.1 in)	60 of 100 (Major)
Banka	India	Record daily precipitation	136.2 mm (5.4 in)	60 of 100 (Major)
Yarrawalla South	Australia	Record daily precipitation	25.4 mm (1.0 in)	59 of 100 (Notable)
Lancefield	Australia	Record daily precipitation	33.8 mm (1.3 in)	59 of 100 (Notable)
Romsey	Australia	Record daily precipitation	25.4 mm (1.0 in)	59 of 100 (Notable)
Laanecoorie Weir	Australia	Record daily precipitation	26.2 mm (1.0 in)	58 of 100 (Notable)
Clunes	Australia	Record daily precipitation	31.0 mm (1.2 in)	58 of 100 (Notable)
Galah	Australia	Record daily precipitation	25.4 mm (1.0 in)	57 of 100 (Notable)
Bridgewater (Post Office)	Australia	Record daily precipitation	26.2 mm (1.0 in)	57 of 100 (Notable)
Joyces Creek	Australia	Record daily precipitation	36.8 mm (1.4 in)	57 of 100 (Notable)
Pyalong West (Cavan Park)	Australia	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Redesdale	Australia	Record daily precipitation	28.2 mm (1.1 in)	55 of 100 (Notable)
Junee Reefs (Noorla)	Australia	Record daily precipitation	32.3 mm (1.3 in)	54 of 100 (Notable)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	32.3 mm (1.3 in)	54 of 100 (Notable)
Glenaroua	Australia	Record daily precipitation	29.7 mm (1.2 in)	54 of 100 (Notable)
Nyngan (Mudall)	Australia	Record daily precipitation	38.4 mm (1.5 in)	53 of 100 (Notable)
Kinglake West (Wallaby Creek)	Australia	Record daily precipitation	33.3 mm (1.3 in)	53 of 100 (Notable)
Clinton	United States	Record daily precipitation	93.2 mm (3.7 in)	53 of 100 (Notable)
Mundarlo (Yabtree)	Australia	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Yerong Creek (Fertilizer Depot	Australia	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Barunah Plains	Australia	Record daily precipitation	28.7 mm (1.1 in)	52 of 100 (Notable)
Coppermine	Canada	Record daily precipitation	36.1 mm (1.4 in)	52 of 100 (Notable)
Kampur	India	Record daily precipitation	160.0 mm (6.3 in)	52 of 100 (Notable)
La Cygne 4ESE	United States	Record daily precipitation	109.7 mm (4.3 in)	52 of 100 (Notable)
Miandetta (Tyrone)	Australia	Record daily precipitation	33.5 mm (1.3 in)	51 of 100 (Notable)
Murray Lock Number 9	Australia	Record daily precipitation	29.2 mm (1.1 in)	51 of 100 (Notable)
Bendigo Channel	Australia	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	72.1 mm (2.8 in)	51 of 100 (Notable)
Buffalo 2 SSW	United States	Record daily precipitation	152.4 mm (6.0 in)	51 of 100 (Notable)
Tottenham (Burdenda)	Australia	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Albert (the Meadows)	Australia	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Warren (Haddon Rig)	Australia	Record daily precipitation	36.1 mm (1.4 in)	50 of 100 (Notable)
Tottington	Australia	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Vinita 2 N	United States	Record daily precipitation	68.3 mm (2.7 in)	50 of 100 (Notable)
Kyneton Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	49 of 100 (Notable)
Mount Lindsay	Australia	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Corryong (Parish Lane)	Australia	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Daylesford	Australia	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Garnett 1 E	United States	Record daily precipitation	65.3 mm (2.6 in)	48 of 100 (Notable)
Trundle (Murrumbogie)	Australia	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Tarnagulla	Australia	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Malmsbury Reservoir	Australia	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Carpina (Floresta Dos Leoes)	Brazil	Record daily precipitation	39.5 mm (1.6 in)	47 of 100 (Notable)
Nidamangalam	India	Record daily precipitation	100.1 mm (3.9 in)	47 of 100 (Notable)
Bolagamy	Australia	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Bethungra (Retreat)	Australia	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Puckapunyal	Australia	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,231 records

Records set or tied on 10 August 1966 by type: Highest daily maximum 20, Lowest daily maximum 182, Highest daily minimum 60, Lowest daily minimum 48, Heaviest daily rainfall 921.

Records on 10 August 1966 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	182
Highest daily minimum	60
Lowest daily minimum	48
Heaviest daily rainfall	921
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 1966 by timescale: all-time 2, monthly 9, daily 1,220.

How Much Records Were Beaten By

1,106 broken records

Margins by which the 1,106 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.3. Ties are not counted.

Top 20 by Significance

10 August 1966

Top 20 records on 10 August 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 1966	Smeaton Weir, AU	daily rain	37.6 mm (1.5 in)	27.7 mm (1.1 in)	81 years	72 of 100 (Major)
10 August 1966	Maldon (Derby Hill), AU	daily rain	44.5 mm (1.8 in)	30.3 mm (1.2 in)	81 years	72 of 100 (Major)
10 August 1966	Tullaroop Reservoir, AU	daily rain	33.0 mm (1.3 in)	21.8 mm (0.9 in)	81 years	72 of 100 (Major)
10 August 1966	Campbelltown, AU	daily rain	33.0 mm (1.3 in)	24.1 mm (0.9 in)	57 years	64 of 100 (Major)
10 August 1966	Talbot (Post Office), AU	daily rain	31.0 mm (1.2 in)	24.1 mm (0.9 in)	57 years	63 of 100 (Major)
10 August 1966	Yandoit, AU	daily rain	35.6 mm (1.4 in)	26.7 mm (1.1 in)	57 years	63 of 100 (Major)
10 August 1966	Kilmore Assumption College, AU	daily rain	30.2 mm (1.2 in)	20.0 mm (0.8 in)	81 years	62 of 100 (Major)
10 August 1966	Eureka 1E, US	daily rain	81.3 mm (3.2 in)	61.2 mm (2.4 in)	51 years	62 of 100 (Major)
10 August 1966	Tennyson, AU	daily rain	27.4 mm (1.1 in)	19.5 mm (0.8 in)	60 years	61 of 100 (Major)
10 August 1966	Barkers Creek Reservoir, AU	daily rain	31.5 mm (1.2 in)	21.8 mm (0.9 in)	60 years	61 of 100 (Major)
10 August 1966	Kottarakara, IN	monthly rain	193.5 mm (7.6 in)	59.6 mm (2.3 in)	33 years	61 of 100 (Major)
10 August 1966	Donald Post Office, AU	daily rain	33.0 mm (1.3 in)	23.6 mm (0.9 in)	43 years	60 of 100 (Major)
10 August 1966	Carisbrook, AU	daily rain	27.2 mm (1.1 in)	21.1 mm (0.8 in)	57 years	60 of 100 (Major)
10 August 1966	Banka, IN	daily rain	136.2 mm (5.4 in)	87.7 mm (3.5 in)	48 years	60 of 100 (Major)
10 August 1966	Yarrawalla South, AU	daily rain	25.4 mm (1.0 in)	20.6 mm (0.8 in)	52 years	59 of 100 (Notable)
10 August 1966	Lancefield, AU	daily rain	33.8 mm (1.3 in)	24.9 mm (1.0 in)	56 years	59 of 100 (Notable)
10 August 1966	Romsey, AU	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	85 years	59 of 100 (Notable)
10 August 1966	Laanecoorie Weir, AU	daily rain	26.2 mm (1.0 in)	21.1 mm (0.8 in)	39 years	58 of 100 (Notable)
10 August 1966	Clunes, AU	daily rain	31.0 mm (1.2 in)	14.0 mm (0.6 in)	81 years	58 of 100 (Notable)
10 August 1966	Galah, AU	daily rain	25.4 mm (1.0 in)	20.3 mm (0.8 in)	43 years	57 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

1814 to 1966

Records set or tied on this calendar date in each year from 1814 to 1966. 1966 had 1,231 records.

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

Records on 08-10 in each year
Year	Records
1814	1
1815	1
1838	1
1845	2
1847	1
1849	1
1852	1
1853	1
1857	2
1859	1
1861	2
1862	2
1863	1
1864	1
1869	2
1871	1
1877	1
1879	4
1881	2
1884	2
1885	1
1886	1
1887	1
1888	1
1890	2
1891	6
1892	1
1893	1
1894	5
1895	1
1896	5
1897	7
1898	4
1899	6
1900	6
1901	5
1902	7
1903	8
1904	12
1905	5
1906	16
1907	9
1908	7
1909	33
1910	10
1911	40
1912	39
1913	44
1914	27
1915	26
1916	88
1917	51
1918	43
1919	51
1920	101
1921	66
1922	78
1923	175
1924	245
1925	430
1926	80
1927	294
1928	160
1929	264
1930	299
1931	424
1932	251
1933	305
1934	662
1935	480
1936	487
1937	399
1938	382
1939	593
1940	386
1941	459
1942	420
1943	304
1944	1,006
1945	360
1946	303
1947	766
1948	339
1949	586
1950	324
1951	425
1952	395
1953	431
1954	372
1955	309
1956	522
1957	322
1958	443
1959	528
1960	470
1961	640
1962	761
1963	479
1964	553
1965	700
1966	1,231
1967	766
1968	784
1969	588
1970	702
1971	760
1972	1,175
1973	597
1974	719
1975	664
1976	855
1977	786
1978	495
1979	700
1980	849
1981	857
1982	1,070
1983	915
1984	956
1985	918
1986	535
1987	896
1988	792
1989	1,291
1990	736
1991	819
1992	1,051
1993	774
1994	1,338
1995	1,119
1996	1,027
1997	1,504
1998	1,112
1999	945
2000	990
2001	1,192
2002	1,080
2003	1,556
2004	976
2005	1,225
2006	980
2007	1,476
2008	871
2009	869
2010	1,704
2011	1,247
2012	995
2013	599
2014	516
2015	583
2016	893
2017	636
2018	1,018
2019	754
2020	816
2021	553
2022	687
2023	782
2024	882
2025	659
2026	1,149

Download the Data

Data for records on 1966-08-10: 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	1,020
20 to 40	73
40 to 60	8
60 to 80	2
80 to 100	2
100 to 120	1