Weather Records on 4 May 1966

1,113 weather records were set or tied worldwide on 4 May 1966. Highest significance: Orroroo, AU.

Key Facts for 4 May 1966

On 4 May 1966, 1,113 weather records were set or tied at long-record stations worldwide.
397 were record highs and 186 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 46 monthly and 1,066 daily.
Orroroo set a daily record precipitation of 29.7 mm (1.2 in) on 4 May 1966.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 426 records.

Record Map

1,113 stations

1,113 station records on 4 May 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orroroo	Australia	Record daily precipitation	29.7 mm (1.2 in)	66 of 100 (Major)
Athani	India	Record daily precipitation	100.2 mm (3.9 in)	65 of 100 (Major)
Port Germein	Australia	Record daily precipitation	31.8 mm (1.3 in)	63 of 100 (Major)
Kurundwad	India	Record daily precipitation	81.0 mm (3.2 in)	63 of 100 (Major)
Gadhinglaj	India	Record daily precipitation	180.0 mm (7.1 in)	63 of 100 (Major)
Yellapur	India	Record daily precipitation	73.7 mm (2.9 in)	61 of 100 (Major)
Cleve	Australia	Record daily precipitation	28.2 mm (1.1 in)	60 of 100 (Major)
Whyalla (Mullaquana)	Australia	Record daily precipitation	25.4 mm (1.0 in)	60 of 100 (Major)
Orroroo (Black Rock)	Australia	Record daily precipitation	29.2 mm (1.1 in)	59 of 100 (Notable)
Nord Odal	Norway	Record snow depth	36.0 cm (14.2 in)	58 of 100 (Notable)
Edeowie	Australia	Record daily precipitation	29.0 mm (1.1 in)	57 of 100 (Notable)
Caiwarro	Australia	Record daily precipitation	27.2 mm (1.1 in)	56 of 100 (Notable)
Jamkhandi	India	Record daily precipitation	53.3 mm (2.1 in)	56 of 100 (Notable)
Gargoti	India	Record daily precipitation	109.0 mm (4.3 in)	56 of 100 (Notable)
Tasgaon	India	Record daily precipitation	84.0 mm (3.3 in)	55 of 100 (Notable)
Arvi	India	Record daily precipitation	71.0 mm (2.8 in)	55 of 100 (Notable)
Angorichina Hostel	Australia	Record daily precipitation	25.4 mm (1.0 in)	54 of 100 (Notable)
Wilpena Head Station	Australia	Record daily precipitation	35.8 mm (1.4 in)	54 of 100 (Notable)
Glenelg Post Office	Australia	Record daily precipitation	26.2 mm (1.0 in)	54 of 100 (Notable)
Khanpur	India	Record daily precipitation	151.0 mm (5.9 in)	54 of 100 (Notable)
Karkal	India	Record daily precipitation	127.0 mm (5.0 in)	54 of 100 (Notable)
Barsi	India	Record daily precipitation	49.0 mm (1.9 in)	54 of 100 (Notable)
Strathbogie North	Australia	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
Chandur Railway	India	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Akalkot	India	Record daily precipitation	65.0 mm (2.6 in)	53 of 100 (Notable)
Whyalla (Nonowie)	Australia	Record daily precipitation	38.6 mm (1.5 in)	52 of 100 (Notable)
Holbrook (Annandayle)	Australia	Record daily precipitation	48.5 mm (1.9 in)	52 of 100 (Notable)
Malegaon	India	Record daily precipitation	130.4 mm (5.1 in)	52 of 100 (Notable)
Sasvad	India	Record daily precipitation	58.7 mm (2.3 in)	52 of 100 (Notable)
Kondoolka	Australia	Record daily precipitation	26.4 mm (1.0 in)	51 of 100 (Notable)
Port Germein (Baroota Reservoi	Australia	Record daily precipitation	29.2 mm (1.1 in)	51 of 100 (Notable)
Belair (State Flora Nursery)	Australia	Record daily precipitation	38.9 mm (1.5 in)	51 of 100 (Notable)
Murtajapur	India	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Jejuri	India	Record daily precipitation	52.0 mm (2.0 in)	51 of 100 (Notable)
Wirrabara Forest	Australia	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Chikodi	India	Record daily precipitation	107.9 mm (4.2 in)	50 of 100 (Notable)
Stonyfell	Australia	Record daily precipitation	33.3 mm (1.3 in)	49 of 100 (Notable)
Mitcham Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Bhadgaon	India	Record daily precipitation	28.1 mm (1.1 in)	48 of 100 (Notable)
Panchgani	India	Record daily precipitation	82.0 mm (3.2 in)	48 of 100 (Notable)
Ceduna Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Mount Wudinna	Australia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Carrieton	Australia	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Port Victoria	Australia	Record daily precipitation	31.5 mm (1.2 in)	47 of 100 (Notable)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Grong Grong (Berembed)	Australia	Record daily precipitation	25.9 mm (1.0 in)	47 of 100 (Notable)
Arno Bay	Australia	Record daily precipitation	28.7 mm (1.1 in)	46 of 100 (Notable)
Bramfield Post Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	46 of 100 (Notable)
Cleve (Pineside)	Australia	Record daily precipitation	26.4 mm (1.0 in)	46 of 100 (Notable)
Smoky Bay	Australia	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Dawson (Anda-Vale)	Australia	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Adelaide West Terrace	Australia	Record daily precipitation	27.2 mm (1.1 in)	46 of 100 (Notable)
Lyndoch	Australia	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Belgaum	India	Record daily precipitation	145.4 mm (5.7 in)	46 of 100 (Notable)
Ramtek	India	Record daily precipitation	37.5 mm (1.5 in)	46 of 100 (Notable)
Junnar	India	Record daily precipitation	41.1 mm (1.6 in)	46 of 100 (Notable)
Shirala	India	Record daily precipitation	125.0 mm (4.9 in)	46 of 100 (Notable)
Courela (Challner)	Australia	Record daily precipitation	27.2 mm (1.1 in)	45 of 100 (Notable)
Poochera	Australia	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Port Germein (Telowie)	Australia	Record daily precipitation	32.8 mm (1.3 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,113 records

Records set or tied on 4 May 1966 by type: Highest daily maximum 306, Lowest daily maximum 78, Highest daily minimum 91, Lowest daily minimum 108, Heaviest daily rainfall 506, Heaviest daily snowfall 17, Deepest snow cover 7.

Records on 4 May 1966 by type
Record type	Records
Highest daily maximum	306
Lowest daily maximum	78
Highest daily minimum	91
Lowest daily minimum	108
Heaviest daily rainfall	506
Heaviest daily snowfall	17
Deepest snow cover	7

Records on 4 May 1966 by timescale: all-time 1, monthly 46, daily 1,066.

How Much Records Were Beaten By

976 broken records

Margins by which the 976 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 310.0. Ties are not counted.

Top 20 by Significance

4 May 1966

Top 20 records on 4 May 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1966	Orroroo, AU	daily rain	29.7 mm (1.2 in)	20.8 mm (0.8 in)	66 years	66 of 100 (Major)
4 May 1966	Athani, IN	daily rain	100.2 mm (3.9 in)	76.6 mm (3.0 in)	64 years	65 of 100 (Major)
4 May 1966	Port Germein, AU	daily rain	31.8 mm (1.3 in)	27.2 mm (1.1 in)	66 years	63 of 100 (Major)
4 May 1966	Kurundwad, IN	daily rain	81.0 mm (3.2 in)	78.5 mm (3.1 in)	57 years	63 of 100 (Major)
4 May 1966	Gadhinglaj, IN	monthly rain	180.0 mm (7.1 in)	102.8 mm (4.0 in)	24 years	63 of 100 (Major)
4 May 1966	Yellapur, IN	daily rain	73.7 mm (2.9 in)	55.2 mm (2.2 in)	64 years	61 of 100 (Major)
4 May 1966	Cleve, AU	daily rain	28.2 mm (1.1 in)	16.8 mm (0.7 in)	66 years	60 of 100 (Major)
4 May 1966	Whyalla (Mullaquana), AU	daily rain	25.4 mm (1.0 in)	21.8 mm (0.9 in)	52 years	60 of 100 (Major)
4 May 1966	Orroroo (Black Rock), AU	daily rain	29.2 mm (1.1 in)	19.0 mm (0.7 in)	66 years	59 of 100 (Notable)
4 May 1966	Nord Odal, NO	daily snow depth	36.0 cm (14.2 in)	31.0 cm (12.2 in)	36 years	58 of 100 (Notable)
4 May 1966	Edeowie, AU	daily rain	29.0 mm (1.1 in)	23.2 mm (0.9 in)	78 years	57 of 100 (Notable)
4 May 1966	Caiwarro, AU	daily rain	27.2 mm (1.1 in)	27.2 mm (1.1 in)	82 years	56 of 100 (Notable)
4 May 1966	Jamkhandi, IN	daily rain	53.3 mm (2.1 in)	48.2 mm (1.9 in)	36 years	56 of 100 (Notable)
4 May 1966	Gargoti, IN	daily rain	109.0 mm (4.3 in)	85.1 mm (3.4 in)	36 years	56 of 100 (Notable)
4 May 1966	Tasgaon, IN	daily rain	84.0 mm (3.3 in)	43.4 mm (1.7 in)	56 years	55 of 100 (Notable)
4 May 1966	Arvi, IN	monthly rain	71.0 mm (2.8 in)	30.6 mm (1.2 in)	9 years	55 of 100 (Notable)
4 May 1966	Angorichina Hostel, AU	daily rain	25.4 mm (1.0 in)	23.6 mm (0.9 in)	20 years	54 of 100 (Notable)
4 May 1966	Wilpena Head Station, AU	daily rain	35.8 mm (1.4 in)	35.8 mm (1.4 in)	63 years	54 of 100 (Notable)
4 May 1966	Glenelg Post Office, AU	daily rain	26.2 mm (1.0 in)	17.6 mm (0.7 in)	66 years	54 of 100 (Notable)
4 May 1966	Khanpur, IN	monthly rain	151.0 mm (5.9 in)	49.2 mm (1.9 in)	0 years	54 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

1795 to 1966

Records set or tied on this calendar date in each year from 1795 to 1966. 1966 had 1,113 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1966-05-04: 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 50	951
50 to 100	20
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1
300 to 350	1