Weather Records on 9 August 1966

568 weather records were set or tied worldwide on 9 August 1966. Highest significance: Cargo Post Office, AU.

Key Facts for 9 August 1966

On 9 August 1966, 568 weather records were set or tied at long-record stations worldwide.
79 were record highs and 254 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 564 daily.
Cargo Post Office set a daily record precipitation of 30.5 mm (1.2 in) on 9 August 1966.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

568 stations

568 station records on 9 August 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cargo Post Office	Australia	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Eberys	Australia	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Sterling	United States	Record daily precipitation	37.8 mm (1.5 in)	44 of 100 (Notable)
Warraweena	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Fernlees Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Emmaville (Strathbogie)	Australia	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Memooloo	Australia	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Kampur	India	Record daily precipitation	180.2 mm (7.1 in)	40 of 100 (Notable)
St Marks 5 SSE	United States	Record low maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Eagle Farm Racecourse	Australia	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Huntingdon	Canada	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Sajjangarh	India	Record daily precipitation	121.2 mm (4.8 in)	37 of 100 (Notable)
Elwood 8 S	United States	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
Springsure Comet St	Australia	Record daily precipitation	25.1 mm (1.0 in)	36 of 100 (Notable)
Thomasville 7 NE	United States	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Valdosta 2 S	United States	Record low maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Pine Bluffs	United States	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Rainworth	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Carrabelle 1 NNW	United States	Record low maximum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Ft Bayard 4W	United States	Record low minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)
Walterboro 1 SW	United States	Record low maximum temperature	26.1 C (79.0 F)	34 of 100 (Routine)
Woorarra	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Lamoni	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Cambridge	United States	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Curtis	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Gothenburg	United States	Record low maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Blountstown 2 SE	United States	Record low maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Ontonagon	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Paxton	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Lake Boga (Kunat)	Australia	Record daily precipitation	25.1 mm (1.0 in)	31 of 100 (Routine)
Sassafras Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Bikaner	India	Record daily precipitation	69.4 mm (2.7 in)	31 of 100 (Routine)
Bainbridge	United States	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Chestertown	United States	Record daily precipitation	73.7 mm (2.9 in)	31 of 100 (Routine)
Hollis 5E	United States	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Halifax Macrossan St	Australia	Record daily precipitation	25.1 mm (1.0 in)	30 of 100 (Routine)
Quitman 2 NW	United States	Record low maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Alliance 1WNW	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Madrid	United States	Record daily precipitation	36.3 mm (1.4 in)	30 of 100 (Routine)
Winner	United States	Record low maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Grong Grong (Berembed)	Australia	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Rodeo (Smn)	Mexico	Record daily precipitation	41.7 mm (1.6 in)	29 of 100 (Routine)
Cairo 1SW	United States	Record low maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Pipestone	United States	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Ogallala	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Shelby 2 NW	United States	Record low maximum temperature	28.9 C (84.0 F)	29 of 100 (Routine)
Fredericksburg Np	United States	Record low minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Anakie Richardson St	Australia	Record daily precipitation	25.1 mm (1.0 in)	28 of 100 (Routine)
Gillespie	Australia	Record daily precipitation	26.9 mm (1.1 in)	28 of 100 (Routine)
Ft Payne	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Holyoke	United States	Record low maximum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Blakely	United States	Record low maximum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Holdrege	United States	Record low maximum temperature	21.7 C (71.1 F)	28 of 100 (Routine)
Nenzel 20 S	United States	Record low maximum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Mannargudi	India	Record daily precipitation	64.0 mm (2.5 in)	27 of 100 (Routine)
Douglas	United States	Record low maximum temperature	28.9 C (84.0 F)	27 of 100 (Routine)
Tifton	United States	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Mason City	United States	Record low maximum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Ness City	United States	Record low minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Newport	United States	Record low maximum temperature	20.6 C (69.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

568 records

Records set or tied on 9 August 1966 by type: Highest daily maximum 35, Lowest daily maximum 202, Highest daily minimum 44, Lowest daily minimum 52, Heaviest daily rainfall 235.

Records on 9 August 1966 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	202
Highest daily minimum	44
Lowest daily minimum	52
Heaviest daily rainfall	235
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1966 by timescale: all-time 0, monthly 4, daily 564.

How Much Records Were Beaten By

472 broken records

Margins by which the 472 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.4. Ties are not counted.

Top 20 by Significance

9 August 1966

Top 20 records on 9 August 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1966	Cargo Post Office, AU	daily rain	30.5 mm (1.2 in)	15.3 mm (0.6 in)	75 years	47 of 100 (Notable)
9 August 1966	Eberys, AU	monthly rain	43.2 mm (1.7 in)	8.4 mm (0.33 in)	48 years	45 of 100 (Notable)
9 August 1966	Sterling, US	daily rain	37.8 mm (1.5 in)	21.8 mm (0.9 in)	41 years	44 of 100 (Notable)
9 August 1966	Warraweena, AU	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	44 years	43 of 100 (Notable)
9 August 1966	Fernlees Post Office, AU	daily rain	25.9 mm (1.0 in)	22.6 mm (0.9 in)	44 years	41 of 100 (Notable)
9 August 1966	Emmaville (Strathbogie), AU	daily rain	30.5 mm (1.2 in)	5.1 mm (0.20 in)	92 years	41 of 100 (Notable)
9 August 1966	Memooloo, AU	daily rain	39.9 mm (1.6 in)	33.5 mm (1.3 in)	3 years	40 of 100 (Notable)
9 August 1966	Kampur, IN	monthly rain	180.2 mm (7.1 in)	21.4 mm (0.8 in)	45 years	40 of 100 (Notable)
9 August 1966	St Marks 5 SSE, US	daily low max	26.7 C (80.1 F)	3.3 C (5.9 F)	57 years	39 of 100 (Notable)
9 August 1966	Eagle Farm Racecourse, AU	daily rain	30.5 mm (1.2 in)	23.4 mm (0.9 in)	40 years	37 of 100 (Notable)
9 August 1966	Huntingdon, CA	daily high max	33.3 C (91.9 F)	1.1 C (2.0 F)	89 years	37 of 100 (Notable)
9 August 1966	Sajjangarh, IN	daily rain	121.2 mm (4.8 in)	71.4 mm (2.8 in)	35 years	37 of 100 (Notable)
9 August 1966	Elwood 8 S, US	daily rain	37.1 mm (1.5 in)	20.1 mm (0.8 in)	52 years	37 of 100 (Notable)
9 August 1966	Springsure Comet St, AU	daily rain	25.1 mm (1.0 in)	14.4 mm (0.6 in)	40 years	36 of 100 (Notable)
9 August 1966	Thomasville 7 NE, US	daily low max	25.0 C (77.0 F)	2.8 C (5.0 F)	61 years	36 of 100 (Notable)
9 August 1966	Valdosta 2 S, US	daily low max	26.1 C (79.0 F)	2.8 C (5.0 F)	60 years	35 of 100 (Notable)
9 August 1966	Pine Bluffs, US	daily rain	26.4 mm (1.0 in)	14.2 mm (0.6 in)	44 years	35 of 100 (Notable)
9 August 1966	Rainworth, AU	daily rain	29.2 mm (1.1 in)	17.0 mm (0.7 in)	40 years	34 of 100 (Routine)
9 August 1966	Carrabelle 1 NNW, US	daily low max	26.1 C (79.0 F)	2.8 C (5.0 F)	44 years	34 of 100 (Routine)
9 August 1966	Ft Bayard 4W, US	daily low min	6.7 C (44.1 F)	3.3 C (5.9 F)	36 years	34 of 100 (Routine)

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 1966

Records set or tied on this calendar date in each year from 1798 to 1966. 1966 had 568 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 1966-08-09: 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	405
10 to 20	47
20 to 30	16
30 to 40	3
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1