Weather Records on 12 April 1937

236 weather records were set or tied worldwide on 12 April 1937. Highest significance: Nanaimo, CA.

Key Facts for 12 April 1937

On 12 April 1937, 236 weather records were set or tied at long-record stations worldwide.
22 were record highs and 132 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 231 daily.
Nanaimo set a monthly record daily precipitation of 35.6 mm (1.4 in) on 12 April 1937.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 503 records.

Record Map

236 stations

236 station records on 12 April 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nanaimo	Canada	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Vashon Island	United States	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Bremerton	United States	Record daily precipitation	45.2 mm (1.8 in)	47 of 100 (Notable)
Orleans	United States	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	29.2 mm (1.1 in)	43 of 100 (Notable)
Saltspring Island	Canada	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	54.4 mm (2.1 in)	42 of 100 (Notable)
Hood Rvr Exp STN	United States	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
Upper Mattole	United States	Record daily precipitation	109.2 mm (4.3 in)	36 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Nelson	Canada	Record daily precipitation	25.7 mm (1.0 in)	30 of 100 (Routine)
Watrap	India	Record daily precipitation	81.8 mm (3.2 in)	30 of 100 (Routine)
Portland Rfc City	United States	Record daily precipitation	46.5 mm (1.8 in)	29 of 100 (Routine)
Mont-Aigoual	France	Record daily precipitation	76.0 mm (3.0 in)	26 of 100 (Routine)
De Jong Ranch, Howic	South Africa	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record high minimum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Herefoss	Norway	Record snow depth	104.0 cm (40.9 in)	24 of 100 (Routine)
Athens	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Jondaryan Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Mestad I Oddernes	Norway	Record snow depth	132.0 cm (52.0 in)	22 of 100 (Routine)
Susanville 2SW	United States	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Clayton 1 SSW	United States	Record low minimum temperature	-4.4 C (24.1 F)	21 of 100 (Routine)
Dahlonega 4WSW	United States	Record low minimum temperature	-2.2 C (28.0 F)	21 of 100 (Routine)
Republic	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Yreka	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Ellensburg	United States	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Moxee	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record daily precipitation	7.0 mm (0.28 in)	20 of 100 (Routine)
Lakeside	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Wannamal	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Cottbus	Germany	Record daily precipitation	9.8 mm (0.39 in)	20 of 100 (Routine)
Ada	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Berens River	Canada	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Sendamangalam	India	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Port Townsend	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Vancouver 4 NNE	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Esquimalt	Canada	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Ekalaka	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Mohall	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Blaine	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	21.7 mm (0.9 in)	20 of 100 (Routine)
St Albans	Canada	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Budapest	Hungary	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Dalveen	Australia	Record daily precipitation	10.4 mm (0.4 in)	19 of 100 (Routine)
Teriberka	Russia	Record high minimum temperature	2.6 C (36.7 F)	19 of 100 (Routine)
Watertown Rgnl AP	United States	Record daily precipitation	14.5 mm (0.6 in)	19 of 100 (Routine)
Georgetown Post Office	Australia	Record daily precipitation	12.4 mm (0.5 in)	18 of 100 (Routine)
Vancouver Pmo	Canada	Record daily precipitation	20.6 mm (0.8 in)	18 of 100 (Routine)
Bordeaux-Merignac	France	Record daily precipitation	11.2 mm (0.4 in)	18 of 100 (Routine)
Srivilliputhur	India	Record daily precipitation	48.0 mm (1.9 in)	18 of 100 (Routine)
Thathaiengarpet	India	Record daily precipitation	24.4 mm (1.0 in)	18 of 100 (Routine)
Sankarankoil	India	Record daily precipitation	45.7 mm (1.8 in)	18 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Huntington	United States	Record low minimum temperature	-4.4 C (24.1 F)	18 of 100 (Routine)
Battle Mtn	United States	Record high minimum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Highlands	United States	Record low minimum temperature	-4.4 C (24.1 F)	18 of 100 (Routine)
Larimore 4SW	United States	Record daily precipitation	17.0 mm (0.7 in)	18 of 100 (Routine)
Beaufort Wwtp	United States	Record low maximum temperature	17.2 C (63.0 F)	18 of 100 (Routine)
Florence #1	United States	Record low minimum temperature	0.6 C (33.1 F)	18 of 100 (Routine)

Counts by Type and Timescale

236 records

Records set or tied on 12 April 1937 by type: Highest daily maximum 2, Lowest daily maximum 13, Highest daily minimum 20, Lowest daily minimum 119, Heaviest daily rainfall 80, Deepest snow cover 2.

Records on 12 April 1937 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	13
Highest daily minimum	20
Lowest daily minimum	119
Heaviest daily rainfall	80
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 12 April 1937 by timescale: all-time 0, monthly 5, daily 231.

How Much Records Were Beaten By

193 broken records

Margins by which the 193 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 370.0. Ties are not counted.

Top 20 by Significance

12 April 1937

Top 20 records on 12 April 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1937	Nanaimo, CA	monthly rain	35.6 mm (1.4 in)	11.7 mm (0.5 in)	33 years	49 of 100 (Notable)
12 April 1937	Vashon Island, US	daily rain	47.0 mm (1.9 in)	27.2 mm (1.1 in)	16 years	48 of 100 (Notable)
12 April 1937	Bremerton, US	daily rain	45.2 mm (1.8 in)	38.6 mm (1.5 in)	16 years	47 of 100 (Notable)
12 April 1937	Orleans, US	daily rain	62.2 mm (2.4 in)	37.6 mm (1.5 in)	24 years	46 of 100 (Notable)
12 April 1937	Forest Grove, US	daily rain	29.2 mm (1.1 in)	16.5 mm (0.6 in)	40 years	43 of 100 (Notable)
12 April 1937	Saltspring Island, CA	daily rain	28.7 mm (1.1 in)	15.0 mm (0.6 in)	37 years	42 of 100 (Notable)
12 April 1937	Aberdeen, US	daily rain	54.4 mm (2.1 in)	25.4 mm (1.0 in)	44 years	42 of 100 (Notable)
12 April 1937	Hood Rvr Exp STN, US	daily rain	26.9 mm (1.1 in)	11.7 mm (0.5 in)	37 years	37 of 100 (Notable)
12 April 1937	Upper Mattole, US	monthly rain	109.2 mm (4.3 in)	16.2 mm (0.6 in)	44 years	36 of 100 (Notable)
12 April 1937	Marseille Obs. Palais-Lonchamp, FR	daily rain	39.6 mm (1.6 in)	15.4 mm (0.6 in)	30 years	31 of 100 (Routine)
12 April 1937	Mc Minnville, US	daily rain	31.8 mm (1.3 in)	8.9 mm (0.35 in)	40 years	31 of 100 (Routine)
12 April 1937	Nelson, CA	monthly rain	25.7 mm (1.0 in)	4.9 mm (0.19 in)	22 years	30 of 100 (Routine)
12 April 1937	Watrap, IN	daily rain	81.8 mm (3.2 in)	36.6 mm (1.4 in)	11 years	30 of 100 (Routine)
12 April 1937	Portland Rfc City, US	monthly rain	46.5 mm (1.8 in)	3.1 mm (0.12 in)	28 years	29 of 100 (Routine)
12 April 1937	Mont-Aigoual, FR	daily rain	76.0 mm (3.0 in)	32.0 mm (1.3 in)	19 years	26 of 100 (Routine)
12 April 1937	De Jong Ranch, Howic, ZA	daily rain	25.9 mm (1.0 in)	17.5 mm (0.7 in)	23 years	26 of 100 (Routine)
12 April 1937	Cheyenne Wells 2NE, US	daily high min	12.2 C (54.0 F)	5.0 C (9.0 F)	37 years	26 of 100 (Routine)
12 April 1937	Herefoss, NO	daily snow depth	104.0 cm (40.9 in)	36.0 cm (14.2 in)	18 years	24 of 100 (Routine)
12 April 1937	Athens, US	daily low min	0.0 C (32.0 F)	1.7 C (3.1 F)	44 years	24 of 100 (Routine)
12 April 1937	Jondaryan Post Office, AU	daily rain	27.9 mm (1.1 in)	12.7 mm (0.5 in)	28 years	22 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

1793 to 1937

Records set or tied on this calendar date in each year from 1793 to 1937. 1937 had 236 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1937-04-12: 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	191
50 to 100	0
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	2