Weather Records on 20 April 1937

427 weather records were set or tied worldwide on 20 April 1937. Highest significance: Frankfurt/Main (Feldbergstr.), DE.

Key Facts for 20 April 1937

On 20 April 1937, 427 weather records were set or tied at long-record stations worldwide.
69 were record highs and 15 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 396 daily.
Frankfurt/Main (Feldbergstr.) set a daily record precipitation of 25.9 mm (1.0 in) on 20 April 1937.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 462 records.

Record Map

427 stations

427 station records on 20 April 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Frankfurt/Main (Feldbergstr.)	Germany	Record daily precipitation	25.9 mm (1.0 in)	65 of 100 (Major)
Pithapuram	India	Record daily precipitation	103.1 mm (4.1 in)	61 of 100 (Major)
Putten (Gld)	Netherlands	Record daily precipitation	27.0 mm (1.1 in)	60 of 100 (Major)
Sironcha	India	Record daily precipitation	146.6 mm (5.8 in)	56 of 100 (Notable)
Karmala	India	Record daily precipitation	76.7 mm (3.0 in)	55 of 100 (Notable)
Umerkhed	India	Record daily precipitation	39.1 mm (1.5 in)	54 of 100 (Notable)
Patur	India	Record daily precipitation	44.5 mm (1.8 in)	53 of 100 (Notable)
Akot	India	Record daily precipitation	38.1 mm (1.5 in)	53 of 100 (Notable)
Amraoti	India	Record daily precipitation	66.3 mm (2.6 in)	53 of 100 (Notable)
Badnera	India	Record daily precipitation	51.8 mm (2.0 in)	53 of 100 (Notable)
Kenora	Canada	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
Sholapur	India	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Wani	India	Record daily precipitation	57.2 mm (2.3 in)	52 of 100 (Notable)
Tirora	India	Record daily precipitation	47.2 mm (1.9 in)	51 of 100 (Notable)
Bilgi	India	Record daily precipitation	41.9 mm (1.6 in)	50 of 100 (Notable)
Scheveningen	Netherlands	Record daily precipitation	29.5 mm (1.2 in)	50 of 100 (Notable)
Tuni	India	Record daily precipitation	52.3 mm (2.1 in)	49 of 100 (Notable)
Leeuwarden_1	Netherlands	Record daily precipitation	32.3 mm (1.3 in)	48 of 100 (Notable)
Mestad I Oddernes	Norway	Record daily precipitation	69.1 mm (2.7 in)	48 of 100 (Notable)
Grove Farm 1021	United States	Record daily precipitation	75.4 mm (3.0 in)	48 of 100 (Notable)
Kumaloa Ditch	United States	Record daily precipitation	110.0 mm (4.3 in)	48 of 100 (Notable)
Owk	India	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Korba	India	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Mangrulpir	India	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Hinganghat	India	Record daily precipitation	48.5 mm (1.9 in)	46 of 100 (Notable)
Lakhnadon	India	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Bhandara	India	Record daily precipitation	48.5 mm (1.9 in)	45 of 100 (Notable)
Brocken	Germany	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Katangi	India	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Seoni	India	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Arvi	India	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Lihue 1020	United States	Record daily precipitation	83.8 mm (3.3 in)	43 of 100 (Notable)
Goldstream Lake	Canada	Record daily precipitation	49.5 mm (1.9 in)	41 of 100 (Notable)
Malsiras	India	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
New Westminster	Canada	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Chikodi	India	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Pondilafa	India	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Barud(Warud)	India	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Blaine	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Sangola	India	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Mykland	Norway	Record daily precipitation	41.0 mm (1.6 in)	38 of 100 (Notable)
Mohall	United States	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Willow City	United States	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Hoofddorp	Netherlands	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Aseral	Norway	Record daily precipitation	46.8 mm (1.8 in)	36 of 100 (Notable)
Asifabad(Rev)	India	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Hanamkonda	India	Record daily precipitation	83.6 mm (3.3 in)	35 of 100 (Notable)
Raigarh	India	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Waraseoni	India	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	55.1 mm (2.2 in)	34 of 100 (Routine)
Kumta	India	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Sakti	India	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Wiluna	Australia	Record daily precipitation	53.8 mm (2.1 in)	32 of 100 (Routine)
Begumpet Obsy	India	Record daily precipitation	60.7 mm (2.4 in)	32 of 100 (Routine)
Karanjia	India	Record daily precipitation	65.8 mm (2.6 in)	32 of 100 (Routine)
Bargarh	India	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Pesaro	Italy	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Conception	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Balaghat	India	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Indapur	India	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)

Counts by Type and Timescale

427 records

Records set or tied on 20 April 1937 by type: Highest daily maximum 28, Lowest daily maximum 12, Highest daily minimum 41, Lowest daily minimum 3, Heaviest daily rainfall 337, Heaviest daily snowfall 4, Deepest snow cover 2.

Records on 20 April 1937 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	12
Highest daily minimum	41
Lowest daily minimum	3
Heaviest daily rainfall	337
Heaviest daily snowfall	4
Deepest snow cover	2

Records on 20 April 1937 by timescale: all-time 0, monthly 31, daily 396.

How Much Records Were Beaten By

383 broken records

Margins by which the 383 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

20 April 1937

Top 20 records on 20 April 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1937	Frankfurt/Main (Feldbergstr.), DE	daily rain	25.9 mm (1.0 in)	16.5 mm (0.6 in)	65 years	65 of 100 (Major)
20 April 1937	Pithapuram, IN	monthly rain	103.1 mm (4.1 in)	47.7 mm (1.9 in)	27 years	61 of 100 (Major)
20 April 1937	Putten (Gld), NL	daily rain	27.0 mm (1.1 in)	15.4 mm (0.6 in)	60 years	60 of 100 (Major)
20 April 1937	Sironcha, IN	monthly rain	146.6 mm (5.8 in)	64.3 mm (2.5 in)	12 years	56 of 100 (Notable)
20 April 1937	Karmala, IN	monthly rain	76.7 mm (3.0 in)	56.1 mm (2.2 in)	8 years	55 of 100 (Notable)
20 April 1937	Umerkhed, IN	monthly rain	39.1 mm (1.5 in)	19.3 mm (0.8 in)	7 years	54 of 100 (Notable)
20 April 1937	Patur, IN	daily rain	44.5 mm (1.8 in)	44.5 mm (1.8 in)	36 years	53 of 100 (Notable)
20 April 1937	Akot, IN	monthly rain	38.1 mm (1.5 in)	21.3 mm (0.8 in)	1 year	53 of 100 (Notable)
20 April 1937	Amraoti, IN	monthly rain	66.3 mm (2.6 in)	19.8 mm (0.8 in)	0 years	53 of 100 (Notable)
20 April 1937	Badnera, IN	monthly rain	51.8 mm (2.0 in)	32.7 mm (1.3 in)	0 years	53 of 100 (Notable)
20 April 1937	Kenora, CA	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	53 years	52 of 100 (Notable)
20 April 1937	Sholapur, IN	daily rain	45.7 mm (1.8 in)	39.9 mm (1.6 in)	30 years	52 of 100 (Notable)
20 April 1937	Wani, IN	daily rain	57.2 mm (2.3 in)	52.9 mm (2.1 in)	32 years	52 of 100 (Notable)
20 April 1937	Tirora, IN	daily rain	47.2 mm (1.9 in)	36.0 mm (1.4 in)	28 years	51 of 100 (Notable)
20 April 1937	Bilgi, IN	daily rain	41.9 mm (1.6 in)	29.2 mm (1.1 in)	30 years	50 of 100 (Notable)
20 April 1937	Scheveningen, NL	daily rain	29.5 mm (1.2 in)	10.5 mm (0.4 in)	58 years	50 of 100 (Notable)
20 April 1937	Tuni, IN	daily rain	52.3 mm (2.1 in)	48.5 mm (1.9 in)	26 years	49 of 100 (Notable)
20 April 1937	Leeuwarden_1, NL	daily rain	32.3 mm (1.3 in)	25.7 mm (1.0 in)	16 years	48 of 100 (Notable)
20 April 1937	Mestad I Oddernes, NO	monthly rain	69.1 mm (2.7 in)	21.7 mm (0.9 in)	34 years	48 of 100 (Notable)
20 April 1937	Grove Farm 1021, US	daily rain	75.4 mm (3.0 in)	55.8 mm (2.2 in)	18 years	48 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

1807 to 1937

Records set or tied on this calendar date in each year from 1807 to 1937. 1937 had 427 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1937-04-20: 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	374
50 to 100	7
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1