Weather Records on 30 April 1966

740 weather records were set or tied worldwide on 30 April 1966. Highest significance: Warrawagine, AU.

Key Facts for 30 April 1966

On 30 April 1966, 740 weather records were set or tied at long-record stations worldwide.
89 were record highs and 276 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 33 monthly and 707 daily.
Warrawagine set a daily record precipitation of 46.7 mm (1.8 in) on 30 April 1966.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

740 stations

740 station records on 30 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warrawagine	Australia	Record daily precipitation	46.7 mm (1.8 in)	66 of 100 (Major)
Byro	Australia	Record daily precipitation	53.6 mm (2.1 in)	65 of 100 (Major)
Carbla Station	Australia	Record daily precipitation	58.4 mm (2.3 in)	60 of 100 (Major)
Briksdal	Norway	Record daily precipitation	42.5 mm (1.7 in)	59 of 100 (Notable)
Fairfield	Australia	Record daily precipitation	49.8 mm (2.0 in)	57 of 100 (Notable)
Coodardy	Australia	Record daily precipitation	49.5 mm (1.9 in)	56 of 100 (Notable)
Manfred	Australia	Record daily precipitation	33.0 mm (1.3 in)	56 of 100 (Notable)
Dalgaranga	Australia	Record daily precipitation	64.8 mm (2.6 in)	55 of 100 (Notable)
Kalli	Australia	Record daily precipitation	53.3 mm (2.1 in)	54 of 100 (Notable)
Manarra	Australia	Record daily precipitation	51.3 mm (2.0 in)	54 of 100 (Notable)
Tallering	Australia	Record daily precipitation	63.5 mm (2.5 in)	54 of 100 (Notable)
Pindathuna	Australia	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Milly Milly	Australia	Record daily precipitation	43.7 mm (1.7 in)	53 of 100 (Notable)
Boolardy	Australia	Record daily precipitation	45.0 mm (1.8 in)	52 of 100 (Notable)
Madoonga	Australia	Record daily precipitation	38.1 mm (1.5 in)	52 of 100 (Notable)
Woogalong	Australia	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Billabalong	Australia	Record daily precipitation	49.3 mm (1.9 in)	51 of 100 (Notable)
Barnong	Australia	Record daily precipitation	47.2 mm (1.9 in)	51 of 100 (Notable)
Cue	Australia	Record daily precipitation	32.5 mm (1.3 in)	51 of 100 (Notable)
Mount Wittenoom	Australia	Record daily precipitation	41.1 mm (1.6 in)	51 of 100 (Notable)
Canna	Australia	Record daily precipitation	55.6 mm (2.2 in)	51 of 100 (Notable)
Hornindal	Norway	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Krakmo	Norway	Record daily precipitation	43.3 mm (1.7 in)	51 of 100 (Notable)
Sirkali	India	Record daily precipitation	89.0 mm (3.5 in)	50 of 100 (Notable)
Wurarga	Australia	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Canna 1	Australia	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Gabyon	Australia	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Perenjori	Australia	Record daily precipitation	46.7 mm (1.8 in)	48 of 100 (Notable)
Riverside	Australia	Record daily precipitation	48.5 mm (1.9 in)	48 of 100 (Notable)
Weebo	Australia	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Goilkera	India	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Wandiwash	India	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Greensburg	United States	Record daily precipitation	50.3 mm (2.0 in)	48 of 100 (Notable)
Elkins- Randolph Co AP	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Mellenbye	Australia	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Three Springs	Australia	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Beringarra	Australia	Record daily precipitation	59.7 mm (2.4 in)	46 of 100 (Notable)
Aryankavu	India	Record daily precipitation	105.0 mm (4.1 in)	46 of 100 (Notable)
Cheyyar	India	Record daily precipitation	73.0 mm (2.9 in)	46 of 100 (Notable)
Nes Pa Hedmark	Norway	Record snow depth	37.0 cm (14.6 in)	46 of 100 (Notable)
Dunderlandsdalen	Norway	Record daily precipitation	38.5 mm (1.5 in)	46 of 100 (Notable)
Mullewa	Australia	Record daily precipitation	46.7 mm (1.8 in)	45 of 100 (Notable)
Mumby	Australia	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Wilsons Patch	Australia	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Chinnar	India	Record daily precipitation	99.0 mm (3.9 in)	45 of 100 (Notable)
Noongall	Australia	Record daily precipitation	43.7 mm (1.7 in)	43 of 100 (Notable)
Sogndal - Selseng	Norway	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Woodleigh	Australia	Record daily precipitation	33.5 mm (1.3 in)	42 of 100 (Notable)
Beiarn	Norway	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Denham	Australia	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Burnerbinmah	Australia	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Lakeside	Australia	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Yandanooka	Australia	Record daily precipitation	40.9 mm (1.6 in)	40 of 100 (Notable)
Jashpurnagar	India	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	48.8 mm (1.9 in)	40 of 100 (Notable)
Bunnawarra	Australia	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
Sherwood	Australia	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Wooleen	Australia	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Ootacamund Obsy Sr	India	Record daily precipitation	35.2 mm (1.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

740 records

Records set or tied on 30 April 1966 by type: Highest daily maximum 25, Lowest daily maximum 114, Highest daily minimum 64, Lowest daily minimum 162, Heaviest daily rainfall 345, Heaviest daily snowfall 12, Deepest snow cover 18.

Records on 30 April 1966 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	114
Highest daily minimum	64
Lowest daily minimum	162
Heaviest daily rainfall	345
Heaviest daily snowfall	12
Deepest snow cover	18

Records on 30 April 1966 by timescale: all-time 0, monthly 33, daily 707.

How Much Records Were Beaten By

640 broken records

Margins by which the 640 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 370.0. Ties are not counted.

Top 20 by Significance

30 April 1966

Top 20 records on 30 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1966	Warrawagine, AU	daily rain	46.7 mm (1.8 in)	46.7 mm (1.8 in)	66 years	66 of 100 (Major)
30 April 1966	Byro, AU	daily rain	53.6 mm (2.1 in)	53.6 mm (2.1 in)	64 years	65 of 100 (Major)
30 April 1966	Carbla Station, AU	monthly rain	58.4 mm (2.3 in)	28.4 mm (1.1 in)	17 years	60 of 100 (Major)
30 April 1966	Briksdal, NO	daily rain	42.5 mm (1.7 in)	36.5 mm (1.4 in)	43 years	59 of 100 (Notable)
30 April 1966	Fairfield, AU	daily rain	49.8 mm (2.0 in)	48.5 mm (1.9 in)	44 years	57 of 100 (Notable)
30 April 1966	Coodardy, AU	daily rain	49.5 mm (1.9 in)	40.6 mm (1.6 in)	36 years	56 of 100 (Notable)
30 April 1966	Manfred, AU	daily rain	33.0 mm (1.3 in)	32.7 mm (1.3 in)	36 years	56 of 100 (Notable)
30 April 1966	Dalgaranga, AU	monthly rain	64.8 mm (2.6 in)	22.4 mm (0.9 in)	40 years	55 of 100 (Notable)
30 April 1966	Kalli, AU	daily rain	53.3 mm (2.1 in)	51.0 mm (2.0 in)	36 years	54 of 100 (Notable)
30 April 1966	Manarra, AU	daily rain	51.3 mm (2.0 in)	43.7 mm (1.7 in)	27 years	54 of 100 (Notable)
30 April 1966	Tallering, AU	daily rain	63.5 mm (2.5 in)	52.1 mm (2.1 in)	27 years	54 of 100 (Notable)
30 April 1966	Pindathuna, AU	daily rain	43.7 mm (1.7 in)	43.2 mm (1.7 in)	24 years	53 of 100 (Notable)
30 April 1966	Milly Milly, AU	daily rain	43.7 mm (1.7 in)	42.4 mm (1.7 in)	24 years	53 of 100 (Notable)
30 April 1966	Boolardy, AU	daily rain	45.0 mm (1.8 in)	38.9 mm (1.5 in)	17 years	52 of 100 (Notable)
30 April 1966	Madoonga, AU	daily rain	38.1 mm (1.5 in)	34.0 mm (1.3 in)	36 years	52 of 100 (Notable)
30 April 1966	Woogalong, AU	daily rain	45.2 mm (1.8 in)	40.9 mm (1.6 in)	27 years	52 of 100 (Notable)
30 April 1966	Billabalong, AU	daily rain	49.3 mm (1.9 in)	36.6 mm (1.4 in)	17 years	51 of 100 (Notable)
30 April 1966	Barnong, AU	daily rain	47.2 mm (1.9 in)	40.1 mm (1.6 in)	17 years	51 of 100 (Notable)
30 April 1966	Cue, AU	daily rain	32.5 mm (1.3 in)	23.6 mm (0.9 in)	36 years	51 of 100 (Notable)
30 April 1966	Mount Wittenoom, AU	daily rain	41.1 mm (1.6 in)	32.2 mm (1.3 in)	17 years	51 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 740 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1966-04-30: 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	616
50 to 100	14
100 to 150	5
150 to 200	0
200 to 250	2
250 to 300	0
300 to 350	2
350 to 400	1