Weather Records on 3 August 1966

444 weather records were set or tied worldwide on 3 August 1966. Highest significance: Urjupinsk, RU.

Key Facts for 3 August 1966

On 3 August 1966, 444 weather records were set or tied at long-record stations worldwide.
146 were record highs and 140 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 437 daily.
Urjupinsk set a daily record precipitation of 43.0 mm (1.7 in) on 3 August 1966.
Across 156 earlier years (1815 to 2026) the same calendar date averaged 464 records.

Record Map

444 stations

444 station records on 3 August 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 August 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Urjupinsk	Russia	Record daily precipitation	43.0 mm (1.7 in)	66 of 100 (Major)
Table.Mtn Platteklip	South Africa	Record daily precipitation	66.0 mm (2.6 in)	59 of 100 (Notable)
Murray Island	Australia	Record daily precipitation	30.2 mm (1.2 in)	57 of 100 (Notable)
Arthur City	United States	Record daily precipitation	53.1 mm (2.1 in)	53 of 100 (Notable)
Alpine	United States	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Volciha	Russia	Record daily precipitation	38.5 mm (1.5 in)	46 of 100 (Notable)
Des Arc	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Uppsala_Aut	Sweden	Record daily precipitation	32.1 mm (1.3 in)	43 of 100 (Notable)
Richland	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Presidio	United States	Record daily precipitation	37.3 mm (1.5 in)	43 of 100 (Notable)
Petropavlovsk	Kazakhstan	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Birmingham AP	United States	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Portland	United States	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Ponnamaravathi	India	Record daily precipitation	68.0 mm (2.7 in)	39 of 100 (Notable)
Basel Binningen	Switzerland	Record daily precipitation	48.7 mm (1.9 in)	38 of 100 (Notable)
Chacon	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Dijon-Longvic	France	Record daily precipitation	44.3 mm (1.7 in)	37 of 100 (Notable)
Semonaiha	Kazakhstan	Record daily precipitation	27.2 mm (1.1 in)	37 of 100 (Notable)
Lillhamra	Sweden	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Rotan	United States	Record daily precipitation	57.2 mm (2.3 in)	37 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	24.7 C (76.5 F)	36 of 100 (Notable)
Narsaraopet	India	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Dabhoi	India	Record daily precipitation	137.5 mm (5.4 in)	34 of 100 (Routine)
Tiruchengode	India	Record daily precipitation	44.4 mm (1.7 in)	34 of 100 (Routine)
Warren 2 ENE	United States	Record daily precipitation	55.4 mm (2.2 in)	34 of 100 (Routine)
Winnsboro 5 SSE	United States	Record daily precipitation	79.2 mm (3.1 in)	34 of 100 (Routine)
Dillon	United States	Record low minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Lebanon	United States	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Mistassini Post	Canada	Record daily precipitation	47.5 mm (1.9 in)	33 of 100 (Routine)
Klaipeda	Lithuania	Record daily precipitation	34.8 mm (1.4 in)	33 of 100 (Routine)
Calvin	United States	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Lafayette Rgnl AP	United States	Record low maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Kjahta	Russia	Record daily precipitation	57.0 mm (2.2 in)	32 of 100 (Routine)
Georgetown	United States	Record daily precipitation	57.9 mm (2.3 in)	32 of 100 (Routine)
Mimbres 4NNW	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Bolton	United States	Record daily precipitation	40.4 mm (1.6 in)	31 of 100 (Routine)
Portage Wwtp	United States	Record low minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	46.0 mm (1.8 in)	30 of 100 (Routine)
Oakley	United States	Record high minimum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Green Bay	United States	Record low minimum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Decatur	United States	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Carrabelle 1 NNW	United States	Record low minimum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Snowville	United States	Record high minimum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Ikej	Russia	Record daily precipitation	27.7 mm (1.1 in)	28 of 100 (Routine)
Ica	Russia	Record daily precipitation	39.8 mm (1.6 in)	28 of 100 (Routine)
Mesa	United States	Record high minimum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Clarendon	United States	Record daily precipitation	53.6 mm (2.1 in)	28 of 100 (Routine)
Danevang 1 W	United States	Record high minimum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Haleyville	United States	Record daily precipitation	41.4 mm (1.6 in)	27 of 100 (Routine)
Benton	United States	Record daily precipitation	47.8 mm (1.9 in)	27 of 100 (Routine)
Baldwin	United States	Record low minimum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Chatillon-Sur-Seine	France	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Palana	India	Record daily precipitation	38.0 mm (1.5 in)	26 of 100 (Routine)
Kamennaja-Step	Russia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Del Norte 3ENE	United States	Record high minimum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Blountstown 2 SE	United States	Record low minimum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Huntsville	United States	Record daily precipitation	38.6 mm (1.5 in)	26 of 100 (Routine)
Liepaja	Latvia	Record daily precipitation	25.1 mm (1.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

444 records

Records set or tied on 3 August 1966 by type: Highest daily maximum 16, Lowest daily maximum 81, Highest daily minimum 130, Lowest daily minimum 59, Heaviest daily rainfall 158.

Records on 3 August 1966 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	81
Highest daily minimum	130
Lowest daily minimum	59
Heaviest daily rainfall	158
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 3 August 1966 by timescale: all-time 1, monthly 6, daily 437.

How Much Records Were Beaten By

322 broken records

Margins by which the 322 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.2. Ties are not counted.

Top 20 by Significance

3 August 1966

Top 20 records on 3 August 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 August 1966	Urjupinsk, RU	daily rain	43.0 mm (1.7 in)	31.0 mm (1.2 in)	60 years	66 of 100 (Major)
3 August 1966	Table.Mtn Platteklip, ZA	daily rain	66.0 mm (2.6 in)	34.2 mm (1.3 in)	67 years	59 of 100 (Notable)
3 August 1966	Murray Island, AU	monthly rain	30.2 mm (1.2 in)	15.5 mm (0.6 in)	9 years	57 of 100 (Notable)
3 August 1966	Arthur City, US	daily rain	53.1 mm (2.1 in)	50.6 mm (2.0 in)	61 years	53 of 100 (Notable)
3 August 1966	Alpine, US	daily rain	58.9 mm (2.3 in)	37.6 mm (1.5 in)	32 years	48 of 100 (Notable)
3 August 1966	Volciha, RU	daily rain	38.5 mm (1.5 in)	17.6 mm (0.7 in)	29 years	46 of 100 (Notable)
3 August 1966	Des Arc, US	daily rain	55.9 mm (2.2 in)	35.1 mm (1.4 in)	57 years	45 of 100 (Notable)
3 August 1966	Uppsala_Aut, SE	daily rain	32.1 mm (1.3 in)	12.9 mm (0.5 in)	49 years	43 of 100 (Notable)
3 August 1966	Richland, US	all-time high min	23.9 C (75.0 F)	1.1 C (2.0 F)	48 years	43 of 100 (Notable)
3 August 1966	Presidio, US	daily rain	37.3 mm (1.5 in)	27.1 mm (1.1 in)	19 years	43 of 100 (Notable)
3 August 1966	Petropavlovsk, KZ	daily rain	33.5 mm (1.3 in)	21.7 mm (0.9 in)	8 years	42 of 100 (Notable)
3 August 1966	Birmingham AP, US	daily rain	83.8 mm (3.3 in)	44.9 mm (1.8 in)	27 years	42 of 100 (Notable)
3 August 1966	Portland, US	daily rain	41.9 mm (1.6 in)	33.5 mm (1.3 in)	40 years	41 of 100 (Notable)
3 August 1966	Ponnamaravathi, IN	daily rain	68.0 mm (2.7 in)	51.5 mm (2.0 in)	8 years	39 of 100 (Notable)
3 August 1966	Basel Binningen, CH	daily rain	48.7 mm (1.9 in)	25.0 mm (1.0 in)	3 years	38 of 100 (Notable)
3 August 1966	Chacon, US	daily rain	43.2 mm (1.7 in)	17.3 mm (0.7 in)	44 years	38 of 100 (Notable)
3 August 1966	Dijon-Longvic, FR	daily rain	44.3 mm (1.7 in)	30.3 mm (1.2 in)	3 years	37 of 100 (Notable)
3 August 1966	Semonaiha, KZ	daily rain	27.2 mm (1.1 in)	14.4 mm (0.6 in)	25 years	37 of 100 (Notable)
3 August 1966	Lillhamra, SE	daily rain	40.1 mm (1.6 in)	23.6 mm (0.9 in)	16 years	37 of 100 (Notable)
3 August 1966	Rotan, US	daily rain	57.2 mm (2.3 in)	37.4 mm (1.5 in)	28 years	37 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

1815 to 1966

Records set or tied on this calendar date in each year from 1815 to 1966. 1966 had 444 records.

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

Records on 08-03 in each year
Year	Records
1815	1
1827	1
1834	2
1835	1
1838	1
1841	1
1847	1
1849	1
1854	1
1855	2
1856	1
1859	1
1868	1
1872	1
1875	1
1876	1
1877	4
1879	3
1880	1
1885	2
1886	1
1887	2
1888	4
1890	2
1891	1
1894	1
1895	11
1896	3
1897	1
1898	4
1899	6
1900	2
1902	6
1903	12
1904	6
1905	7
1906	20
1907	31
1908	23
1909	21
1910	14
1911	31
1912	68
1913	21
1914	24
1915	49
1916	55
1917	72
1918	71
1919	34
1920	56
1921	181
1922	33
1923	149
1924	165
1925	99
1926	300
1927	315
1928	332
1929	207
1930	816
1931	313
1932	319
1933	304
1934	434
1935	520
1936	555
1937	350
1938	542
1939	866
1940	292
1941	305
1942	328
1943	521
1944	530
1945	259
1946	316
1947	586
1948	414
1949	415
1950	445
1951	547
1952	326
1953	617
1954	401
1955	713
1956	640
1957	378
1958	389
1959	360
1960	482
1961	620
1962	359
1963	352
1964	891
1965	679
1966	444
1967	327
1968	368
1969	625
1970	394
1971	891
1972	757
1973	724
1974	906
1975	978
1976	892
1977	544
1978	832
1979	486
1980	800
1981	579
1982	778
1983	807
1984	925
1985	691
1986	750
1987	1,105
1988	1,046
1989	824
1990	845
1991	705
1992	869
1993	1,033
1994	973
1995	1,216
1996	965
1997	709
1998	1,406
1999	893
2000	869
2001	1,021
2002	1,000
2003	1,504
2004	980
2005	912
2006	1,514
2007	750
2008	926
2009	746
2010	1,392
2011	1,518
2012	685
2013	535
2014	961
2015	615
2016	640
2017	1,144
2018	1,039
2019	451
2020	708
2021	841
2022	654
2023	1,044
2024	1,401
2025	929
2026	1,242

Download the Data

Data for records on 1966-08-03: 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	260
10 to 20	36
20 to 30	13
30 to 40	9
40 to 50	1
50 to 60	2
60 to 70	0
70 to 80	1