Weather Records on 27 April 1957

552 weather records were set or tied worldwide on 27 April 1957. Highest significance: Cwebe, ZA.

Key Facts for 27 April 1957

On 27 April 1957, 552 weather records were set or tied at long-record stations worldwide.
249 were record highs and 48 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 17 monthly and 534 daily.
Cwebe set a daily record precipitation of 135.0 mm (5.3 in) on 27 April 1957.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 475 records.

Record Map

552 stations

552 station records on 27 April 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cwebe	South Africa	Record daily precipitation	135.0 mm (5.3 in)	61 of 100 (Major)
Longview	United States	Record daily precipitation	113.5 mm (4.5 in)	53 of 100 (Notable)
Mahlabatini (Mag)	South Africa	Record daily precipitation	70.0 mm (2.8 in)	51 of 100 (Notable)
Marshall	United States	Record daily precipitation	112.3 mm (4.4 in)	51 of 100 (Notable)
Mul	India	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Botanic Gardens - Pmb	South Africa	Record daily precipitation	47.2 mm (1.9 in)	48 of 100 (Notable)
Cofimvaba (Tnk)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Mkambati	South Africa	Record daily precipitation	74.1 mm (2.9 in)	46 of 100 (Notable)
Intake	South Africa	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Durban-Cowie Rd. Nursery	South Africa	Record daily precipitation	94.5 mm (3.7 in)	46 of 100 (Notable)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	36.5 mm (1.4 in)	44 of 100 (Notable)
Cardwell Marine Pde	Australia	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Long Pocket	Australia	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Kologha (Bos)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	43 of 100 (Notable)
Umlaas Waterworks	South Africa	Record daily precipitation	65.0 mm (2.6 in)	43 of 100 (Notable)
Blackburn	South Africa	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Plain Dealing	United States	Record daily precipitation	162.6 mm (6.4 in)	43 of 100 (Notable)
Stephenville Clark Fld	United States	Record daily precipitation	106.7 mm (4.2 in)	43 of 100 (Notable)
Kubusie (Bos)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Insikeni (Bos)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Cornubia	South Africa	Record daily precipitation	61.6 mm (2.4 in)	41 of 100 (Notable)
Wheatfield	United States	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	32.6 mm (1.3 in)	40 of 100 (Notable)
The Grange, Umzimkul	South Africa	Record daily precipitation	28.5 mm (1.1 in)	40 of 100 (Notable)
Eston	South Africa	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Louwsburg (Mag)	South Africa	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Trenton 2	United States	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)
Houston Wb City	United States	Record daily precipitation	69.1 mm (2.7 in)	40 of 100 (Notable)
Malsiras	India	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	84.8 mm (3.3 in)	39 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	81.8 mm (3.2 in)	39 of 100 (Notable)
Ntywenka (Bos)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Smithville	United States	Record daily precipitation	110.5 mm (4.4 in)	38 of 100 (Notable)
Subiaco	United States	Record daily precipitation	86.4 mm (3.4 in)	37 of 100 (Notable)
Dwaleni	Swaziland	Record daily precipitation	41.5 mm (1.6 in)	37 of 100 (Notable)
Wondai Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Cape Hermes	South Africa	Record daily precipitation	61.0 mm (2.4 in)	36 of 100 (Notable)
Glenora	South Africa	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Mqanduli (Tnk)	South Africa	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Wilo (Bos)	South Africa	Record daily precipitation	94.5 mm (3.7 in)	35 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	79.2 mm (3.1 in)	34 of 100 (Routine)
Durant	United States	Record daily precipitation	69.1 mm (2.7 in)	33 of 100 (Routine)
Austin Montopolis Brg	United States	Record daily precipitation	85.6 mm (3.4 in)	33 of 100 (Routine)
Weatherford	United States	Record daily precipitation	79.8 mm (3.1 in)	33 of 100 (Routine)
Ozuluama	Mexico	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
Newark Ag Farm	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	43.7 mm (1.7 in)	31 of 100 (Routine)
Bay Saint Louis	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Lyndhurst Station	Australia	Record daily precipitation	64.3 mm (2.5 in)	30 of 100 (Routine)
Dontsa	South Africa	Record daily precipitation	28.5 mm (1.1 in)	30 of 100 (Routine)
Kloofend	South Africa	Record daily precipitation	42.5 mm (1.7 in)	30 of 100 (Routine)
Bulwer (Tnk)	South Africa	Record daily precipitation	32.2 mm (1.3 in)	30 of 100 (Routine)
Richmond-Natal (Tnk)	South Africa	Record daily precipitation	27.0 mm (1.1 in)	30 of 100 (Routine)
Comanche	United States	Record daily precipitation	135.1 mm (5.3 in)	30 of 100 (Routine)
Carruchan	Australia	Record daily precipitation	80.0 mm (3.1 in)	29 of 100 (Routine)
Luroy	Norway	Record daily precipitation	57.1 mm (2.2 in)	29 of 100 (Routine)
Nkobongo (Agr)	South Africa	Record daily precipitation	76.0 mm (3.0 in)	29 of 100 (Routine)
Henderson	United States	Record daily precipitation	50.0 mm (2.0 in)	29 of 100 (Routine)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	28 of 100 (Routine)

Counts by Type and Timescale

552 records

Records set or tied on 27 April 1957 by type: Highest daily maximum 132, Lowest daily maximum 20, Highest daily minimum 117, Lowest daily minimum 28, Heaviest daily rainfall 247, Heaviest daily snowfall 7, Deepest snow cover 1.

Records on 27 April 1957 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	20
Highest daily minimum	117
Lowest daily minimum	28
Heaviest daily rainfall	247
Heaviest daily snowfall	7
Deepest snow cover	1

Records on 27 April 1957 by timescale: all-time 1, monthly 17, daily 534.

How Much Records Were Beaten By

429 broken records

Margins by which the 429 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

27 April 1957

Top 20 records on 27 April 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1957	Cwebe, ZA	daily rain	135.0 mm (5.3 in)	82.9 mm (3.3 in)	54 years	61 of 100 (Major)
27 April 1957	Longview, US	daily rain	113.5 mm (4.5 in)	82.3 mm (3.2 in)	27 years	53 of 100 (Notable)
27 April 1957	Mahlabatini (Mag), ZA	daily rain	70.0 mm (2.8 in)	55.0 mm (2.2 in)	24 years	51 of 100 (Notable)
27 April 1957	Marshall, US	daily rain	112.3 mm (4.4 in)	61.5 mm (2.4 in)	35 years	51 of 100 (Notable)
27 April 1957	Mul, IN	daily rain	27.4 mm (1.1 in)	21.3 mm (0.8 in)	50 years	50 of 100 (Notable)
27 April 1957	Botanic Gardens - Pmb, ZA	daily rain	47.2 mm (1.9 in)	36.5 mm (1.4 in)	10 years	48 of 100 (Notable)
27 April 1957	Cofimvaba (Tnk), ZA	daily rain	30.0 mm (1.2 in)	21.9 mm (0.9 in)	48 years	46 of 100 (Notable)
27 April 1957	Mkambati, ZA	daily rain	74.1 mm (2.9 in)	62.9 mm (2.5 in)	11 years	46 of 100 (Notable)
27 April 1957	Intake, ZA	daily rain	63.5 mm (2.5 in)	53.1 mm (2.1 in)	11 years	46 of 100 (Notable)
27 April 1957	Durban-Cowie Rd. Nursery, ZA	daily rain	94.5 mm (3.7 in)	81.3 mm (3.2 in)	11 years	46 of 100 (Notable)
27 April 1957	Fort Cunynghame (Bos), ZA	daily rain	36.5 mm (1.4 in)	31.2 mm (1.2 in)	20 years	44 of 100 (Notable)
27 April 1957	Cardwell Marine Pde, AU	daily rain	81.3 mm (3.2 in)	50.8 mm (2.0 in)	56 years	43 of 100 (Notable)
27 April 1957	Long Pocket, AU	daily rain	78.7 mm (3.1 in)	60.9 mm (2.4 in)	23 years	43 of 100 (Notable)
27 April 1957	Kologha (Bos), ZA	daily rain	38.0 mm (1.5 in)	18.7 mm (0.7 in)	69 years	43 of 100 (Notable)
27 April 1957	Umlaas Waterworks, ZA	daily rain	65.0 mm (2.6 in)	58.4 mm (2.3 in)	10 years	43 of 100 (Notable)
27 April 1957	Blackburn, ZA	daily rain	62.0 mm (2.4 in)	48.8 mm (1.9 in)	10 years	43 of 100 (Notable)
27 April 1957	Plain Dealing, US	monthly rain	162.6 mm (6.4 in)	32.6 mm (1.3 in)	36 years	43 of 100 (Notable)
27 April 1957	Stephenville Clark Fld, US	monthly rain	106.7 mm (4.2 in)	26.7 mm (1.1 in)	35 years	43 of 100 (Notable)
27 April 1957	Kubusie (Bos), ZA	daily rain	47.0 mm (1.9 in)	40.6 mm (1.6 in)	8 years	42 of 100 (Notable)
27 April 1957	Insikeni (Bos), ZA	daily rain	45.0 mm (1.8 in)	17.1 mm (0.7 in)	54 years	42 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 1957

Records set or tied on this calendar date in each year from 1795 to 1957. 1957 had 552 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 1957-04-27: 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 20	368
20 to 40	41
40 to 60	13
60 to 80	3
80 to 100	3
100 to 120	1