Weather Records on 27 April 1937

377 weather records were set or tied worldwide on 27 April 1937. Highest significance: Hallett (Old Canowie), AU.

Key Facts for 27 April 1937

On 27 April 1937, 377 weather records were set or tied at long-record stations worldwide.
25 were record highs and 128 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 371 daily.
Hallett (Old Canowie) set a monthly record daily precipitation of 58.2 mm (2.3 in) on 27 April 1937.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 476 records.

Record Map

377 stations

377 station records on 27 April 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 April 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hallett (Old Canowie)	Australia	Record daily precipitation	58.2 mm (2.3 in)	54 of 100 (Notable)
Tiruvarur	India	Record daily precipitation	60.7 mm (2.4 in)	50 of 100 (Notable)
Paris	Canada	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Mt Pocono 2 N	United States	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Mannarghat	India	Record daily precipitation	80.3 mm (3.2 in)	41 of 100 (Notable)
Aryankavu	India	Record daily precipitation	53.3 mm (2.1 in)	37 of 100 (Notable)
Cuddapah	India	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Markapur	India	Record daily precipitation	35.1 mm (1.4 in)	34 of 100 (Routine)
Chandragiri	India	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Rapalle	India	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
New Bedford Coop	United States	Record daily precipitation	45.2 mm (1.8 in)	29 of 100 (Routine)
Doylestown	United States	Record daily precipitation	40.4 mm (1.6 in)	29 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Avanigadda	India	Record daily precipitation	27.7 mm (1.1 in)	27 of 100 (Routine)
Kumbhakonam	India	Record daily precipitation	27.7 mm (1.1 in)	27 of 100 (Routine)
Adanakottai	India	Record daily precipitation	43.2 mm (1.7 in)	27 of 100 (Routine)
New London	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Great Falls	United States	Record daily precipitation	35.1 mm (1.4 in)	27 of 100 (Routine)
Karambakkudi	India	Record daily precipitation	32.5 mm (1.3 in)	26 of 100 (Routine)
Harur	India	Record daily precipitation	30.7 mm (1.2 in)	25 of 100 (Routine)
Inskip Inn	United States	Record low minimum temperature	-7.2 C (19.0 F)	25 of 100 (Routine)
Philadelphia Shawmont	United States	Record daily precipitation	34.8 mm (1.4 in)	22 of 100 (Routine)
Virajpet	India	Record daily precipitation	43.4 mm (1.7 in)	21 of 100 (Routine)
Union Springs 9 S	United States	Record high maximum temperature	33.9 C (93.0 F)	21 of 100 (Routine)
Taunton	United States	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Elizabeth	United States	Record daily precipitation	38.6 mm (1.5 in)	21 of 100 (Routine)
Wallowa	United States	Record low maximum temperature	5.0 C (41.0 F)	21 of 100 (Routine)
Quakertown	United States	Record daily precipitation	28.2 mm (1.1 in)	21 of 100 (Routine)
Kingscote	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Redhill	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Brentwood Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Ranchi	India	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Kadina	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Appila	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Carawa	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Winnemucca AP	United States	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Curramulka	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
American River	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Bayrick	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Hatfield (Clare)	Australia	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Jammalamadugu	India	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Burra (Kooringa)	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Mundoora	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Moorna	Australia	Record daily precipitation	3.8 mm (0.15 in)	20 of 100 (Routine)
Harrisburg River Gage	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Mannanarie Post Office	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Ivanhoe (Bonuna)	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Eurugabah Station	Australia	Record daily precipitation	1.3 mm (0.05 in)	20 of 100 (Routine)
Brantford	Canada	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Lathrop San Joaquin Bd	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Marion 2 N	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Cape Willoughby	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Ellerston	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Minlaton	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Willsons River	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Innamincka Police Camp	Australia	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Brinkworth (Bungaree)	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Spalding	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Bordertown	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

377 records

Records set or tied on 27 April 1937 by type: Highest daily maximum 10, Lowest daily maximum 65, Highest daily minimum 15, Lowest daily minimum 63, Heaviest daily rainfall 222, Deepest snow cover 2.

Records on 27 April 1937 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	65
Highest daily minimum	15
Lowest daily minimum	63
Heaviest daily rainfall	222
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 27 April 1937 by timescale: all-time 0, monthly 6, daily 371.

How Much Records Were Beaten By

313 broken records

Margins by which the 313 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 190.0. Ties are not counted.

Top 20 by Significance

27 April 1937

Top 20 records on 27 April 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 April 1937	Hallett (Old Canowie), AU	monthly rain	58.2 mm (2.3 in)	20.1 mm (0.8 in)	34 years	54 of 100 (Notable)
27 April 1937	Tiruvarur, IN	daily rain	60.7 mm (2.4 in)	52.3 mm (2.1 in)	28 years	50 of 100 (Notable)
27 April 1937	Paris, CA	daily rain	35.1 mm (1.4 in)	18.6 mm (0.7 in)	50 years	45 of 100 (Notable)
27 April 1937	Mt Pocono 2 N, US	daily rain	53.3 mm (2.1 in)	37.3 mm (1.5 in)	32 years	45 of 100 (Notable)
27 April 1937	Mannarghat, IN	daily rain	80.3 mm (3.2 in)	48.5 mm (1.9 in)	24 years	41 of 100 (Notable)
27 April 1937	Aryankavu, IN	daily rain	53.3 mm (2.1 in)	35.5 mm (1.4 in)	10 years	37 of 100 (Notable)
27 April 1937	Cuddapah, IN	daily rain	39.6 mm (1.6 in)	23.3 mm (0.9 in)	30 years	36 of 100 (Notable)
27 April 1937	Markapur, IN	daily rain	35.1 mm (1.4 in)	28.7 mm (1.1 in)	22 years	34 of 100 (Routine)
27 April 1937	Chandragiri, IN	daily rain	30.7 mm (1.2 in)	26.4 mm (1.0 in)	30 years	31 of 100 (Routine)
27 April 1937	Rapalle, IN	daily rain	44.5 mm (1.8 in)	22.4 mm (0.9 in)	30 years	30 of 100 (Routine)
27 April 1937	New Bedford Coop, US	daily rain	45.2 mm (1.8 in)	20.8 mm (0.8 in)	27 years	29 of 100 (Routine)
27 April 1937	Doylestown, US	daily rain	40.4 mm (1.6 in)	20.1 mm (0.8 in)	32 years	29 of 100 (Routine)
27 April 1937	Martinsburg E W Virginia Rgnl, US	daily rain	38.1 mm (1.5 in)	24.6 mm (1.0 in)	16 years	28 of 100 (Routine)
27 April 1937	Avanigadda, IN	daily rain	27.7 mm (1.1 in)	26.4 mm (1.0 in)	30 years	27 of 100 (Routine)
27 April 1937	Kumbhakonam, IN	daily rain	27.7 mm (1.1 in)	21.1 mm (0.8 in)	28 years	27 of 100 (Routine)
27 April 1937	Adanakottai, IN	daily rain	43.2 mm (1.7 in)	25.4 mm (1.0 in)	36 years	27 of 100 (Routine)
27 April 1937	New London, US	daily rain	28.4 mm (1.1 in)	18.2 mm (0.7 in)	24 years	27 of 100 (Routine)
27 April 1937	Great Falls, US	daily rain	35.1 mm (1.4 in)	14.0 mm (0.6 in)	32 years	27 of 100 (Routine)
27 April 1937	Karambakkudi, IN	daily rain	32.5 mm (1.3 in)	12.2 mm (0.5 in)	36 years	26 of 100 (Routine)
27 April 1937	Harur, IN	daily rain	30.7 mm (1.2 in)	21.3 mm (0.8 in)	10 years	25 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 1937

Records set or tied on this calendar date in each year from 1795 to 1937. 1937 had 377 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 1937-04-27: 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 25	303
25 to 50	8
50 to 75	1
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1