Weather Records on 15 April 1937

277 weather records were set or tied worldwide on 15 April 1937. Highest significance: Napoleon, US.

Key Facts for 15 April 1937

On 15 April 1937, 277 weather records were set or tied at long-record stations worldwide.
165 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 263 daily.
Napoleon set a daily record precipitation of 57.7 mm (2.3 in) on 15 April 1937.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 494 records.

Record Map

277 stations

277 station records on 15 April 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Napoleon	United States	Record daily precipitation	57.7 mm (2.3 in)	57 of 100 (Notable)
Defiance	United States	Record daily precipitation	39.6 mm (1.6 in)	52 of 100 (Notable)
Hillsdale	United States	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Bowling Green Wwtp	United States	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Angola	United States	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
La Ctr	United States	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Oberlin	United States	Record daily precipitation	51.6 mm (2.0 in)	46 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Charlotte	United States	Record daily precipitation	47.2 mm (1.9 in)	38 of 100 (Notable)
Quatsino	Canada	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Hastings	United States	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
Norwalk Wwtp	United States	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Niulii 179	United States	Record low minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Vickery 2 NW	United States	Record daily precipitation	58.7 mm (2.3 in)	30 of 100 (Routine)
S Bend AP	United States	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record low maximum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Bathurst	Canada	Record high minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Angelica	United States	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Cheesman	United States	Record high maximum temperature	26.7 C (80.1 F)	25 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record low maximum temperature	16.8 C (62.2 F)	24 of 100 (Routine)
Herefoss	Norway	Record snow depth	96.0 cm (37.8 in)	24 of 100 (Routine)
Crow Agency	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Warren 3 S	United States	Record daily precipitation	27.4 mm (1.1 in)	23 of 100 (Routine)
Mana 1026	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record daily precipitation	37.8 mm (1.5 in)	23 of 100 (Routine)
Saint Johns	United States	Record high maximum temperature	32.2 C (90.0 F)	22 of 100 (Routine)
Ottawa 4SW	United States	Record daily precipitation	29.7 mm (1.2 in)	22 of 100 (Routine)
Albany 1 N	United States	Record daily precipitation	26.2 mm (1.0 in)	22 of 100 (Routine)
Kazalinsk	Kazakhstan	Record low minimum temperature	-4.2 C (24.4 F)	21 of 100 (Routine)
Waren	Germany	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Marnitz	Germany	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Hatton 9 SE	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Angermunde	Germany	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Russell	Canada	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Altentreptow	Germany	Record daily precipitation	9.0 mm (0.35 in)	20 of 100 (Routine)
Avon	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	8.3 mm (0.33 in)	20 of 100 (Routine)
Saranac	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	12.0 mm (0.5 in)	20 of 100 (Routine)
Richmond	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Addison	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Tulloona (Coolanga)	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Zugspitze	Germany	Record daily precipitation	32.1 mm (1.3 in)	20 of 100 (Routine)
Karesuando	Sweden	Record high maximum temperature	11.0 C (51.8 F)	20 of 100 (Routine)
Boulder	United States	Record high maximum temperature	27.8 C (82.0 F)	20 of 100 (Routine)
S Haven	United States	Record daily precipitation	30.5 mm (1.2 in)	20 of 100 (Routine)
Billings Wtp	United States	Record high minimum temperature	11.7 C (53.1 F)	20 of 100 (Routine)
Burkes Garden	United States	Record daily precipitation	25.4 mm (1.0 in)	20 of 100 (Routine)
Cedar Lake	United States	Record daily precipitation	51.6 mm (2.0 in)	20 of 100 (Routine)
Arukutty	India	Record daily precipitation	40.9 mm (1.6 in)	19 of 100 (Routine)
Jokkmokk	Sweden	Record high maximum temperature	10.5 C (50.9 F)	19 of 100 (Routine)
Fortine 1 N	United States	Record daily precipitation	6.9 mm (0.27 in)	19 of 100 (Routine)
Saint Ignatius	United States	Record daily precipitation	9.9 mm (0.39 in)	19 of 100 (Routine)
Perth Regional Office	Australia	Record high minimum temperature	22.7 C (72.9 F)	18 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	3.9 C (39.0 F)	18 of 100 (Routine)
Dras	India	Record daily precipitation	26.4 mm (1.0 in)	18 of 100 (Routine)

Counts by Type and Timescale

277 records

Records set or tied on 15 April 1937 by type: Highest daily maximum 85, Lowest daily maximum 6, Highest daily minimum 80, Lowest daily minimum 5, Heaviest daily rainfall 97, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 15 April 1937 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	6
Highest daily minimum	80
Lowest daily minimum	5
Heaviest daily rainfall	97
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 15 April 1937 by timescale: all-time 0, monthly 14, daily 263.

How Much Records Were Beaten By

215 broken records

Margins by which the 215 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

15 April 1937

Top 20 records on 15 April 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1937	Napoleon, US	daily rain	57.7 mm (2.3 in)	45.0 mm (1.8 in)	43 years	57 of 100 (Notable)
15 April 1937	Defiance, US	daily rain	39.6 mm (1.6 in)	29.4 mm (1.2 in)	43 years	52 of 100 (Notable)
15 April 1937	Hillsdale, US	daily rain	55.9 mm (2.2 in)	34.3 mm (1.4 in)	28 years	51 of 100 (Notable)
15 April 1937	Bowling Green Wwtp, US	daily rain	52.1 mm (2.1 in)	35.3 mm (1.4 in)	18 years	49 of 100 (Notable)
15 April 1937	Angola, US	daily rain	52.8 mm (2.1 in)	40.4 mm (1.6 in)	15 years	48 of 100 (Notable)
15 April 1937	La Ctr, US	daily rain	34.0 mm (1.3 in)	21.3 mm (0.8 in)	37 years	47 of 100 (Notable)
15 April 1937	Oberlin, US	daily rain	51.6 mm (2.0 in)	27.2 mm (1.1 in)	28 years	46 of 100 (Notable)
15 April 1937	Bloomingdale, US	monthly rain	53.3 mm (2.1 in)	15.7 mm (0.6 in)	27 years	43 of 100 (Notable)
15 April 1937	Charlotte, US	daily rain	47.2 mm (1.9 in)	24.3 mm (1.0 in)	18 years	38 of 100 (Notable)
15 April 1937	Quatsino, CA	daily rain	53.3 mm (2.1 in)	28.2 mm (1.1 in)	23 years	36 of 100 (Notable)
15 April 1937	Hastings, US	daily rain	35.1 mm (1.4 in)	18.6 mm (0.7 in)	18 years	35 of 100 (Notable)
15 April 1937	Logansport Cicott St, US	daily rain	27.7 mm (1.1 in)	17.0 mm (0.7 in)	28 years	31 of 100 (Routine)
15 April 1937	Norwalk Wwtp, US	daily rain	31.0 mm (1.2 in)	16.8 mm (0.7 in)	15 years	31 of 100 (Routine)
15 April 1937	Niulii 179, US	daily low min	14.4 C (57.9 F)	2.3 C (4.1 F)	30 years	31 of 100 (Routine)
15 April 1937	Vickery 2 NW, US	monthly rain	58.7 mm (2.3 in)	4.9 mm (0.19 in)	34 years	30 of 100 (Routine)
15 April 1937	S Bend AP, US	monthly rain	56.9 mm (2.2 in)	6.9 mm (0.27 in)	29 years	30 of 100 (Routine)
15 April 1937	Gyzylarbat, TM	daily low max	10.6 C (51.1 F)	6.4 C (11.5 F)	44 years	29 of 100 (Routine)
15 April 1937	Bathurst, CA	daily high min	2.8 C (37.0 F)	1.7 C (3.1 F)	62 years	28 of 100 (Routine)
15 April 1937	Angelica, US	daily rain	32.0 mm (1.3 in)	14.2 mm (0.6 in)	15 years	27 of 100 (Routine)
15 April 1937	Cheesman, US	monthly high max	26.7 C (80.1 F)	2.3 C (4.1 F)	26 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

1801 to 1937

Records set or tied on this calendar date in each year from 1801 to 1937. 1937 had 277 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1937-04-15: 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	212
50 to 100	1
100 to 150	0
150 to 200	0
200 to 250	1
250 to 300	0
300 to 350	1