Weather Records on 27 April 1966

1,282 weather records were set or tied worldwide on 27 April 1966. Highest significance: Ashfield Bowling Club, AU.

Key Facts for 27 April 1966

On 27 April 1966, 1,282 weather records were set or tied at long-record stations worldwide.
88 were record highs and 433 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 1,256 daily.
Ashfield Bowling Club set a daily record precipitation of 104.1 mm (4.1 in) on 27 April 1966.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 470 records.

Record Map

1,282 stations

1,282 station records on 27 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ashfield Bowling Club	Australia	Record daily precipitation	104.1 mm (4.1 in)	65 of 100 (Major)
Esk Post Office	Australia	Record daily precipitation	71.1 mm (2.8 in)	60 of 100 (Major)
Sydney Botanic Gardens	Australia	Record daily precipitation	114.3 mm (4.5 in)	59 of 100 (Notable)
Powers Lake 1N	United States	Record daily snowfall	17.8 cm (7.0 in)	59 of 100 (Notable)
Indian Bay	Canada	Record daily snowfall	16.5 cm (6.5 in)	58 of 100 (Notable)
Mohall	United States	Record daily snowfall	17.8 cm (7.0 in)	57 of 100 (Notable)
Portage la Prairie	Canada	Record daily snowfall	30.5 cm (12.0 in)	56 of 100 (Notable)
Edmore 4NW	United States	Record daily snowfall	14.0 cm (5.5 in)	56 of 100 (Notable)
Forman 5 SSE	United States	Record daily snowfall	14.7 cm (5.8 in)	56 of 100 (Notable)
Mt Brisbane	Australia	Record daily precipitation	82.6 mm (3.3 in)	55 of 100 (Notable)
Woodford Post Office	Australia	Record daily precipitation	70.1 mm (2.8 in)	55 of 100 (Notable)
Riverview Observatory	Australia	Record daily precipitation	86.9 mm (3.4 in)	55 of 100 (Notable)
Leeds	United States	Record daily precipitation	110.5 mm (4.4 in)	55 of 100 (Notable)
Snowhill	South Africa	Record daily precipitation	46.5 mm (1.8 in)	54 of 100 (Notable)
Crows Nest	Australia	Record daily precipitation	70.6 mm (2.8 in)	53 of 100 (Notable)
Morris	Canada	Record daily snowfall	11.7 cm (4.6 in)	53 of 100 (Notable)
Sprague	Canada	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Indee	Australia	Record daily precipitation	57.7 mm (2.3 in)	52 of 100 (Notable)
University of Queensland Gatto	Australia	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Hermitage	Australia	Record daily precipitation	40.4 mm (1.6 in)	52 of 100 (Notable)
Yangan Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	52 of 100 (Notable)
Park River	United States	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Gretna (Aut)	Canada	Record daily snowfall	41.9 cm (16.5 in)	51 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily snowfall	15.2 cm (6.0 in)	51 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	54.6 mm (2.1 in)	51 of 100 (Notable)
Lake Manchester	Australia	Record daily precipitation	50.0 mm (2.0 in)	50 of 100 (Notable)
Pechey Forestry	Australia	Record daily precipitation	63.8 mm (2.5 in)	50 of 100 (Notable)
Rosewood Walloon Rd	Australia	Record daily precipitation	45.7 mm (1.8 in)	50 of 100 (Notable)
Morden Cda	Canada	Record daily snowfall	19.6 cm (7.7 in)	50 of 100 (Notable)
Hallock	United States	Record daily precipitation	40.1 mm (1.6 in)	50 of 100 (Notable)
Hansboro 4 NNE	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Whim Creek	Australia	Record daily precipitation	160.0 mm (6.3 in)	49 of 100 (Notable)
Gatton Allan Street	Australia	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Ashville 4 W	United States	Record daily precipitation	87.6 mm (3.4 in)	49 of 100 (Notable)
Vincennes 4 E	United States	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Roebourne	Australia	Record daily precipitation	120.9 mm (4.8 in)	48 of 100 (Notable)
Dinmore Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	48 of 100 (Notable)
Fairview	Australia	Record daily precipitation	70.4 mm (2.8 in)	48 of 100 (Notable)
Canning Downs	Australia	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Myra	Australia	Record daily precipitation	34.8 mm (1.4 in)	48 of 100 (Notable)
Montrose	Australia	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Chatswood Water Supply	Australia	Record daily precipitation	85.9 mm (3.4 in)	48 of 100 (Notable)
Roseville Bowling Club	Australia	Record daily precipitation	106.2 mm (4.2 in)	48 of 100 (Notable)
Cypress River	Canada	Record daily snowfall	38.1 cm (15.0 in)	48 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	46.2 mm (1.8 in)	48 of 100 (Notable)
Woodbrook	Australia	Record daily precipitation	94.0 mm (3.7 in)	47 of 100 (Notable)
Vaucluse	Australia	Record daily precipitation	102.9 mm (4.1 in)	47 of 100 (Notable)
Minnedosa	Canada	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Mallina	Australia	Record daily precipitation	115.6 mm (4.6 in)	46 of 100 (Notable)
Ebor (Wongwibinda)	Australia	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Boissevain	Canada	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Williston Sloulin Fld	United States	Record snow depth	10.2 cm (4.0 in)	46 of 100 (Notable)
Mulyie	Australia	Record daily precipitation	37.3 mm (1.5 in)	45 of 100 (Notable)
Abydos Woodstock	Australia	Record daily precipitation	39.1 mm (1.5 in)	45 of 100 (Notable)
Kilcoy Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Wollstonecraft	Australia	Record daily precipitation	115.6 mm (4.6 in)	45 of 100 (Notable)
Ellesmere	South Africa	Record daily precipitation	59.5 mm (2.3 in)	45 of 100 (Notable)
Thief River Falls	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Millrose	Australia	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)

Counts by Type and Timescale

1,282 records

Records set or tied on 27 April 1966 by type: Highest daily maximum 31, Lowest daily maximum 225, Highest daily minimum 57, Lowest daily minimum 208, Heaviest daily rainfall 595, Heaviest daily snowfall 133, Deepest snow cover 33.

Records on 27 April 1966 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	225
Highest daily minimum	57
Lowest daily minimum	208
Heaviest daily rainfall	595
Heaviest daily snowfall	133
Deepest snow cover	33

Records on 27 April 1966 by timescale: all-time 1, monthly 25, daily 1,256.

How Much Records Were Beaten By

1,120 broken records

Margins by which the 1,120 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 340.0. Ties are not counted.

Top 20 by Significance

27 April 1966

Top 20 records on 27 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1966	Ashfield Bowling Club, AU	daily rain	104.1 mm (4.1 in)	63.7 mm (2.5 in)	61 years	65 of 100 (Major)
27 April 1966	Esk Post Office, AU	daily rain	71.1 mm (2.8 in)	51.8 mm (2.0 in)	60 years	60 of 100 (Major)
27 April 1966	Sydney Botanic Gardens, AU	daily rain	114.3 mm (4.5 in)	85.9 mm (3.4 in)	36 years	59 of 100 (Notable)
27 April 1966	Powers Lake 1N, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	49 years	59 of 100 (Notable)
27 April 1966	Indian Bay, CA	daily snowfall	16.5 cm (6.5 in)	16.5 cm (6.5 in)	51 years	58 of 100 (Notable)
27 April 1966	Mohall, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	71 years	57 of 100 (Notable)
27 April 1966	Portage la Prairie, CA	monthly snowfall	30.5 cm (12.0 in)	14.0 cm (5.5 in)	11 years	56 of 100 (Notable)
27 April 1966	Edmore 4NW, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	60 years	56 of 100 (Notable)
27 April 1966	Forman 5 SSE, US	daily snowfall	14.7 cm (5.8 in)	14.7 cm (5.8 in)	72 years	56 of 100 (Notable)
27 April 1966	Mt Brisbane, AU	daily rain	82.6 mm (3.3 in)	74.0 mm (2.9 in)	28 years	55 of 100 (Notable)
27 April 1966	Woodford Post Office, AU	daily rain	70.1 mm (2.8 in)	57.4 mm (2.3 in)	60 years	55 of 100 (Notable)
27 April 1966	Riverview Observatory, AU	daily rain	86.9 mm (3.4 in)	51.1 mm (2.0 in)	35 years	55 of 100 (Notable)
27 April 1966	Leeds, US	daily rain	110.5 mm (4.4 in)	69.9 mm (2.8 in)	45 years	55 of 100 (Notable)
27 April 1966	Snowhill, ZA	daily rain	46.5 mm (1.8 in)	38.6 mm (1.5 in)	35 years	54 of 100 (Notable)
27 April 1966	Crows Nest, AU	daily rain	70.6 mm (2.8 in)	58.4 mm (2.3 in)	20 years	53 of 100 (Notable)
27 April 1966	Morris, CA	daily snowfall	11.7 cm (4.6 in)	11.7 cm (4.6 in)	82 years	53 of 100 (Notable)
27 April 1966	Sprague, CA	daily snowfall	20.3 cm (8.0 in)	17.8 cm (7.0 in)	40 years	53 of 100 (Notable)
27 April 1966	Indee, AU	daily rain	57.7 mm (2.3 in)	56.2 mm (2.2 in)	36 years	52 of 100 (Notable)
27 April 1966	University of Queensland Gatto, AU	daily rain	45.7 mm (1.8 in)	30.5 mm (1.2 in)	64 years	52 of 100 (Notable)
27 April 1966	Hermitage, AU	daily rain	40.4 mm (1.6 in)	34.8 mm (1.4 in)	48 years	52 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 1,282 records.

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

Records on 04-27 in each year
Year	Records
1795	1
1801	1
1802	2
1812	1
1814	1
1817	3
1828	1
1838	1
1841	1
1843	1
1852	1
1853	1
1855	1
1856	1
1857	1
1862	2
1873	2
1874	4
1879	1
1882	2
1884	2
1885	5
1887	1
1888	4
1890	3
1891	1
1892	3
1893	3
1894	7
1895	2
1896	3
1897	4
1899	5
1900	4
1901	3
1903	5
1904	11
1905	16
1906	13
1907	31
1908	27
1909	51
1910	8
1911	37
1912	5
1913	73
1914	19
1915	77
1916	36
1917	47
1918	55
1919	69
1920	44
1921	71
1922	151
1923	110
1924	103
1925	113
1926	287
1927	114
1928	404
1929	71
1930	80
1931	454
1932	331
1933	328
1934	275
1935	227
1936	97
1937	377
1938	467
1939	212
1940	268
1941	361
1942	569
1943	374
1944	214
1945	476
1946	512
1947	373
1948	535
1949	516
1950	617
1951	409
1952	722
1953	651
1954	875
1955	937
1956	685
1957	552
1958	461
1959	470
1960	684
1961	313
1962	741
1963	768
1964	711
1965	568
1966	1,282
1967	733
1968	372
1969	543
1970	1,142
1971	758
1972	645
1973	1,188
1974	926
1975	820
1976	810
1977	801
1978	694
1979	758
1980	706
1981	1,148
1982	685
1983	921
1984	1,754
1985	1,141
1986	1,225
1987	1,482
1988	893
1989	1,320
1990	1,321
1991	1,028
1992	2,163
1993	1,285
1994	1,614
1995	806
1996	1,034
1997	1,588
1998	872
1999	544
2000	1,171
2001	1,138
2002	1,024
2003	840
2004	937
2005	675
2006	705
2007	1,055
2008	1,032
2009	1,299
2010	751
2011	1,291
2012	1,015
2013	568
2014	656
2015	608
2016	755
2017	918
2018	407
2019	626
2020	497
2021	450
2022	567
2023	536
2024	574
2025	659
2026	450

Download the Data

Data for records on 1966-04-27: 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	1,005
50 to 100	70
100 to 150	28
150 to 200	10
200 to 250	1
250 to 300	1
300 to 350	5