Weather Records on 18 April 1937

477 weather records were set or tied worldwide on 18 April 1937. Highest significance: Hungund, IN.

Key Facts for 18 April 1937

On 18 April 1937, 477 weather records were set or tied at long-record stations worldwide.
129 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 39 monthly and 436 daily.
Hungund set an all-time record daily precipitation of 182.9 mm (7.2 in) on 18 April 1937.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

477 stations

477 station records on 18 April 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hungund	India	Record daily precipitation	182.9 mm (7.2 in)	64 of 100 (Major)
Cooya Pooya	Australia	Record daily precipitation	139.7 mm (5.5 in)	61 of 100 (Major)
Skardu	Pakistan	Record daily precipitation	71.1 mm (2.8 in)	61 of 100 (Major)
Mardie	Australia	Record daily precipitation	104.4 mm (4.1 in)	60 of 100 (Major)
Red Hill	Australia	Record daily precipitation	124.5 mm (4.9 in)	58 of 100 (Notable)
Yarraloola	Australia	Record daily precipitation	137.2 mm (5.4 in)	56 of 100 (Notable)
Maroonah	Australia	Record daily precipitation	46.7 mm (1.8 in)	56 of 100 (Notable)
Woodbrook	Australia	Record daily precipitation	108.2 mm (4.3 in)	55 of 100 (Notable)
Bukkapatnam	India	Record daily precipitation	95.3 mm (3.8 in)	55 of 100 (Notable)
Bilgi	India	Record daily precipitation	73.7 mm (2.9 in)	53 of 100 (Notable)
Rawsonville (Pol)	South Africa	Record daily precipitation	57.2 mm (2.3 in)	53 of 100 (Notable)
Kachugaon	India	Record daily precipitation	124.7 mm (4.9 in)	52 of 100 (Notable)
Mudhol	India	Record daily precipitation	52.3 mm (2.1 in)	52 of 100 (Notable)
Avanashi	India	Record daily precipitation	88.9 mm (3.5 in)	52 of 100 (Notable)
Chintamani	India	Record daily precipitation	120.1 mm (4.7 in)	51 of 100 (Notable)
Srivilliputhur	India	Record daily precipitation	74.4 mm (2.9 in)	51 of 100 (Notable)
Siddapur	India	Record daily precipitation	45.5 mm (1.8 in)	50 of 100 (Notable)
Hosdurg	India	Record daily precipitation	51.8 mm (2.0 in)	50 of 100 (Notable)
Busselton Shire	Australia	Record daily precipitation	59.7 mm (2.4 in)	49 of 100 (Notable)
Hubli	India	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Vengurla	India	Record daily precipitation	86.9 mm (3.4 in)	48 of 100 (Notable)
Gabyon	Australia	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Giddalore	India	Record daily precipitation	61.2 mm (2.4 in)	47 of 100 (Notable)
Karwar	India	Record daily precipitation	43.7 mm (1.7 in)	47 of 100 (Notable)
Sunticoppa	India	Record daily precipitation	79.5 mm (3.1 in)	46 of 100 (Notable)
Athipettu	India	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Madakasira	India	Record daily precipitation	88.4 mm (3.5 in)	45 of 100 (Notable)
Addanki	India	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Dharwar	India	Record daily precipitation	81.8 mm (3.2 in)	44 of 100 (Notable)
Robben Island (Vrt)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Sidlaghatta	India	Record daily precipitation	112.8 mm (4.4 in)	43 of 100 (Notable)
Parur	India	Record daily precipitation	65.3 mm (2.6 in)	43 of 100 (Notable)
Kanuparthi	India	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Ilkal	India	Record daily precipitation	152.4 mm (6.0 in)	42 of 100 (Notable)
Yellapur	India	Record daily precipitation	42.7 mm (1.7 in)	42 of 100 (Notable)
Sagar	India	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Bagalkot	India	Record daily precipitation	64.5 mm (2.5 in)	40 of 100 (Notable)
Gauribidanur	India	Record daily precipitation	74.9 mm (2.9 in)	40 of 100 (Notable)
Lyndon	Australia	Record daily precipitation	62.5 mm (2.5 in)	39 of 100 (Notable)
Sanivarsanthe	India	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Belur	India	Record daily precipitation	52.6 mm (2.1 in)	38 of 100 (Notable)
Bantwal	India	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Perumpavur	India	Record daily precipitation	129.5 mm (5.1 in)	37 of 100 (Notable)
Saraikela	India	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Manjeri	India	Record daily precipitation	74.2 mm (2.9 in)	36 of 100 (Notable)
Jath	India	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Wai	India	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Challakire	India	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Atner	India	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
Bardstown	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Sathenapalli	India	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Sapphire (Argyle)	Australia	Record daily precipitation	39.6 mm (1.6 in)	33 of 100 (Routine)
Beulah	Australia	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Belgaum	India	Record daily precipitation	49.5 mm (1.9 in)	33 of 100 (Routine)
Somwarpet	India	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Pavagada	India	Record daily precipitation	60.2 mm (2.4 in)	33 of 100 (Routine)
Muddebihal	India	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Malur	India	Record daily precipitation	90.2 mm (3.6 in)	32 of 100 (Routine)
Madhugiri	India	Record daily precipitation	64.3 mm (2.5 in)	32 of 100 (Routine)
Kasargod	India	Record daily precipitation	40.4 mm (1.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

477 records

Records set or tied on 18 April 1937 by type: Highest daily maximum 93, Lowest daily maximum 3, Highest daily minimum 36, Lowest daily minimum 13, Heaviest daily rainfall 328, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 18 April 1937 by type
Record type	Records
Highest daily maximum	93
Lowest daily maximum	3
Highest daily minimum	36
Lowest daily minimum	13
Heaviest daily rainfall	328
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 18 April 1937 by timescale: all-time 2, monthly 39, daily 436.

How Much Records Were Beaten By

423 broken records

Margins by which the 423 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 350.0. Ties are not counted.

Top 20 by Significance

18 April 1937

Top 20 records on 18 April 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1937	Hungund, IN	all-time rain	182.9 mm (7.2 in)	33.0 mm (1.3 in)	5 years	64 of 100 (Major)
18 April 1937	Cooya Pooya, AU	monthly rain	139.7 mm (5.5 in)	68.6 mm (2.7 in)	28 years	61 of 100 (Major)
18 April 1937	Skardu, PK	all-time rain	71.1 mm (2.8 in)	18.3 mm (0.7 in)	9 years	61 of 100 (Major)
18 April 1937	Mardie, AU	monthly rain	104.4 mm (4.1 in)	53.6 mm (2.1 in)	24 years	60 of 100 (Major)
18 April 1937	Red Hill, AU	monthly rain	124.5 mm (4.9 in)	72.9 mm (2.9 in)	13 years	58 of 100 (Notable)
18 April 1937	Yarraloola, AU	monthly rain	137.2 mm (5.4 in)	63.3 mm (2.5 in)	28 years	56 of 100 (Notable)
18 April 1937	Maroonah, AU	daily rain	46.7 mm (1.8 in)	46.7 mm (1.8 in)	40 years	56 of 100 (Notable)
18 April 1937	Woodbrook, AU	monthly rain	108.2 mm (4.3 in)	48.3 mm (1.9 in)	4 years	55 of 100 (Notable)
18 April 1937	Bukkapatnam, IN	monthly rain	95.3 mm (3.8 in)	48.8 mm (1.9 in)	9 years	55 of 100 (Notable)
18 April 1937	Bilgi, IN	monthly rain	73.7 mm (2.9 in)	38.1 mm (1.5 in)	3 years	53 of 100 (Notable)
18 April 1937	Rawsonville (Pol), ZA	daily rain	57.2 mm (2.3 in)	57.2 mm (2.3 in)	36 years	53 of 100 (Notable)
18 April 1937	Kachugaon, IN	daily rain	124.7 mm (4.9 in)	111.5 mm (4.4 in)	31 years	52 of 100 (Notable)
18 April 1937	Mudhol, IN	daily rain	52.3 mm (2.1 in)	49.8 mm (2.0 in)	32 years	52 of 100 (Notable)
18 April 1937	Avanashi, IN	daily rain	88.9 mm (3.5 in)	69.8 mm (2.7 in)	30 years	52 of 100 (Notable)
18 April 1937	Chintamani, IN	monthly rain	120.1 mm (4.7 in)	48.5 mm (1.9 in)	35 years	51 of 100 (Notable)
18 April 1937	Srivilliputhur, IN	daily rain	74.4 mm (2.9 in)	61.4 mm (2.4 in)	28 years	51 of 100 (Notable)
18 April 1937	Siddapur, IN	daily rain	45.5 mm (1.8 in)	38.9 mm (1.5 in)	36 years	50 of 100 (Notable)
18 April 1937	Hosdurg, IN	daily rain	51.8 mm (2.0 in)	51.8 mm (2.0 in)	36 years	50 of 100 (Notable)
18 April 1937	Busselton Shire, AU	monthly rain	59.7 mm (2.4 in)	19.3 mm (0.8 in)	11 years	49 of 100 (Notable)
18 April 1937	Hubli, IN	daily rain	53.3 mm (2.1 in)	41.1 mm (1.6 in)	24 years	49 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

1793 to 1937

Records set or tied on this calendar date in each year from 1793 to 1937. 1937 had 477 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1937-04-18: 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	406
50 to 100	13
100 to 150	2
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	1