Weather Records on 27 April 1947

373 weather records were set or tied worldwide on 27 April 1947. Highest significance: Wray, US.

Key Facts for 27 April 1947

On 27 April 1947, 373 weather records were set or tied at long-record stations worldwide.
71 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 365 daily.
Wray set an all-time record daily precipitation of 167.6 mm (6.6 in) on 27 April 1947.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 476 records.

Record Map

373 stations

373 station records on 27 April 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wray	United States	Record daily precipitation	167.6 mm (6.6 in)	76 of 100 (Major)
Poortjie	South Africa	Record daily precipitation	37.3 mm (1.5 in)	56 of 100 (Notable)
Hollowaysrust	South Africa	Record daily precipitation	35.6 mm (1.4 in)	50 of 100 (Notable)
Paripiranga	Brazil	Record daily precipitation	66.2 mm (2.6 in)	47 of 100 (Notable)
Leliefontein	South Africa	Record daily precipitation	41.4 mm (1.6 in)	47 of 100 (Notable)
Milan	Italy	Record high minimum temperature	17.5 C (63.5 F)	46 of 100 (Notable)
Bic	Canada	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Winburg (Pol)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
Crested Butte	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	17.9 C (64.2 F)	40 of 100 (Notable)
Korrelocking Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Nieuwejaarsfontein	South Africa	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Progress	South Africa	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Sandbaken	South Africa	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Casuarina Vale	Australia	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Antigonish	Canada	Record low minimum temperature	-11.1 C (12.0 F)	34 of 100 (Routine)
Tadoussac	Canada	Record low minimum temperature	-15.0 C (5.0 F)	33 of 100 (Routine)
Carmichael (Tnk)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Itaporanga Dajuda	Brazil	Record daily precipitation	91.8 mm (3.6 in)	32 of 100 (Routine)
Sviland	Norway	Record daily precipitation	28.2 mm (1.1 in)	32 of 100 (Routine)
Pembroke Eddy Match	Canada	Record low maximum temperature	2.2 C (36.0 F)	31 of 100 (Routine)
Ficksburg	South Africa	Record daily precipitation	36.1 mm (1.4 in)	31 of 100 (Routine)
Moorside	South Africa	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Machadodorp	South Africa	Record daily precipitation	31.2 mm (1.2 in)	30 of 100 (Routine)
Odendaalsrus	South Africa	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Mbabane	Swaziland	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Millston	Australia	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Edjudina	Australia	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
North End	South Africa	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Barletta	South Africa	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Eerstegeluk	South Africa	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Zevenfontein	South Africa	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Parys (Mun)	South Africa	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Oorschot	South Africa	Record daily precipitation	32.5 mm (1.3 in)	28 of 100 (Routine)
Lambertina	South Africa	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record high minimum temperature	12.8 C (55.0 F)	26 of 100 (Routine)
Madowla	Australia	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	2.5 C (36.5 F)	25 of 100 (Routine)
Banff	Canada	Record high minimum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Nominingue	Canada	Record daily snowfall	10.2 cm (4.0 in)	25 of 100 (Routine)
Mistassini Post	Canada	Record low maximum temperature	-15.0 C (5.0 F)	25 of 100 (Routine)
Kranshoek	South Africa	Record daily precipitation	26.9 mm (1.1 in)	25 of 100 (Routine)
Kirklington	South Africa	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	-2.0 C (28.4 F)	24 of 100 (Routine)
Gaspe	Canada	Record low maximum temperature	-3.3 C (26.1 F)	24 of 100 (Routine)
Marquard - Pol 29	South Africa	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	3.7 C (38.7 F)	23 of 100 (Routine)
Dingo Post Office	Australia	Record daily precipitation	28.7 mm (1.1 in)	22 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	-5.6 C (21.9 F)	22 of 100 (Routine)
Bordeaux-Merignac	France	Record high maximum temperature	29.0 C (84.2 F)	22 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	24.8 C (76.6 F)	22 of 100 (Routine)
Grand Coteau	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Yerevan	Armenia	Record low maximum temperature	12.9 C (55.2 F)	21 of 100 (Routine)
La Pocatiere Cda	Canada	Record daily snowfall	7.6 cm (3.0 in)	21 of 100 (Routine)
Chicoutimi	Canada	Record low maximum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Edmundston	Canada	Record daily snowfall	8.9 cm (3.5 in)	21 of 100 (Routine)
Sotchi	Russia	Record low minimum temperature	4.5 C (40.1 F)	21 of 100 (Routine)
Nogales	United States	Record low minimum temperature	-1.7 C (28.9 F)	21 of 100 (Routine)
Mission 4 W	United States	Record low maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Heilbron (Tnk)	South Africa	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

373 records

Records set or tied on 27 April 1947 by type: Highest daily maximum 43, Lowest daily maximum 40, Highest daily minimum 28, Lowest daily minimum 41, Heaviest daily rainfall 208, Heaviest daily snowfall 13.

Records on 27 April 1947 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	40
Highest daily minimum	28
Lowest daily minimum	41
Heaviest daily rainfall	208
Heaviest daily snowfall	13
Deepest snow cover	0

Records on 27 April 1947 by timescale: all-time 1, monthly 7, daily 365.

How Much Records Were Beaten By

316 broken records

Margins by which the 316 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

27 April 1947

Top 20 records on 27 April 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1947	Wray, US	all-time rain	167.6 mm (6.6 in)	61.9 mm (2.4 in)	38 years	76 of 100 (Major)
27 April 1947	Poortjie, ZA	daily rain	37.3 mm (1.5 in)	37.3 mm (1.5 in)	42 years	56 of 100 (Notable)
27 April 1947	Hollowaysrust, ZA	daily rain	35.6 mm (1.4 in)	28.0 mm (1.1 in)	40 years	50 of 100 (Notable)
27 April 1947	Paripiranga, BR	daily rain	66.2 mm (2.6 in)	44.7 mm (1.8 in)	17 years	47 of 100 (Notable)
27 April 1947	Leliefontein, ZA	daily rain	41.4 mm (1.6 in)	41.4 mm (1.6 in)	33 years	47 of 100 (Notable)
27 April 1947	Milan, IT	daily high min	17.5 C (63.5 F)	1.9 C (3.4 F)	178 years	46 of 100 (Notable)
27 April 1947	Bic, CA	daily snowfall	22.9 cm (9.0 in)	20.4 cm (8.0 in)	21 years	44 of 100 (Notable)
27 April 1947	Winburg (Pol), ZA	daily rain	28.4 mm (1.1 in)	17.7 mm (0.7 in)	57 years	43 of 100 (Notable)
27 April 1947	Crested Butte, US	daily rain	30.5 mm (1.2 in)	23.4 mm (0.9 in)	1 year	43 of 100 (Notable)
27 April 1947	Bologna, IT	daily high min	17.9 C (64.2 F)	0.1 C (0.2 F)	105 years	40 of 100 (Notable)
27 April 1947	Korrelocking Post Office, AU	daily rain	31.0 mm (1.2 in)	28.5 mm (1.1 in)	20 years	38 of 100 (Notable)
27 April 1947	Nieuwejaarsfontein, ZA	daily rain	27.9 mm (1.1 in)	21.3 mm (0.8 in)	28 years	38 of 100 (Notable)
27 April 1947	Progress, ZA	daily rain	31.8 mm (1.3 in)	24.7 mm (1.0 in)	21 years	38 of 100 (Notable)
27 April 1947	Sandbaken, ZA	daily rain	29.2 mm (1.1 in)	20.8 mm (0.8 in)	34 years	36 of 100 (Notable)
27 April 1947	Casuarina Vale, AU	daily rain	30.0 mm (1.2 in)	19.8 mm (0.8 in)	5 years	34 of 100 (Routine)
27 April 1947	Antigonish, CA	daily low min	-11.1 C (12.0 F)	3.9 C (7.0 F)	64 years	34 of 100 (Routine)
27 April 1947	Tadoussac, CA	daily low min	-15.0 C (5.0 F)	11.7 C (21.1 F)	14 years	33 of 100 (Routine)
27 April 1947	Carmichael (Tnk), ZA	daily rain	36.8 mm (1.4 in)	27.7 mm (1.1 in)	34 years	33 of 100 (Routine)
27 April 1947	Itaporanga Dajuda, BR	monthly rain	91.8 mm (3.6 in)	13.6 mm (0.5 in)	30 years	32 of 100 (Routine)
27 April 1947	Sviland, NO	daily rain	28.2 mm (1.1 in)	13.7 mm (0.5 in)	36 years	32 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

1795 to 1947

Records set or tied on this calendar date in each year from 1795 to 1947. 1947 had 373 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 1947-04-27: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	311
50 to 100	4
100 to 150	0
150 to 200	0
200 to 250	1