Weather Records on 15 April 1941

628 weather records were set or tied worldwide on 15 April 1941. Highest significance: Walnut 4S, US.

Key Facts for 15 April 1941

On 15 April 1941, 628 weather records were set or tied at long-record stations worldwide.
485 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 613 daily.
Walnut 4S set a daily record precipitation of 95.5 mm (3.8 in) on 15 April 1941.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 492 records.

Record Map

628 stations

628 station records on 15 April 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walnut 4S	United States	Record daily precipitation	95.5 mm (3.8 in)	45 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	106.2 mm (4.2 in)	44 of 100 (Notable)
Medicine Lodge	United States	Record daily precipitation	47.5 mm (1.9 in)	42 of 100 (Notable)
Lamar 7N	United States	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Haskell	United States	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Toronto	Canada	Record high maximum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Fredonia	United States	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Snoqualmie Falls	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Huntsville	Canada	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Waurika	United States	Record daily precipitation	55.1 mm (2.2 in)	35 of 100 (Notable)
Lindsay	Canada	Record high minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Wellington	United States	Record daily precipitation	67.8 mm (2.7 in)	33 of 100 (Routine)
Chickasha	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Amguri	India	Record daily precipitation	59.4 mm (2.3 in)	32 of 100 (Routine)
Harrisville	United States	Record high minimum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Haringhata	India	Record daily precipitation	32.5 mm (1.3 in)	31 of 100 (Routine)
Frederick	United States	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Eraniel	India	Record daily precipitation	83.8 mm (3.3 in)	30 of 100 (Routine)
Concord	United States	Record high maximum temperature	30.0 C (86.0 F)	30 of 100 (Routine)
North Bridgton	United States	Record high minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Rocky Mt	United States	Record high minimum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Koloa 936	United States	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Orillia	Canada	Record high minimum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Bay City	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Gettysburg	United States	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Mt Clemens Ang Base	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Cobargo Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Monierkhal	India	Record daily precipitation	99.1 mm (3.9 in)	26 of 100 (Routine)
Namdalseid	Norway	Record snow depth	34.0 cm (13.4 in)	26 of 100 (Routine)
Annapolis US Naval Aca	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Durham	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Rolla Missouri S&T	United States	Record daily precipitation	44.7 mm (1.8 in)	25 of 100 (Routine)
Bethlehem	United States	Record high maximum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Hanover	United States	Record high maximum temperature	27.8 C (82.0 F)	25 of 100 (Routine)
Snyder	United States	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Warsaw 1	United States	Record daily precipitation	47.5 mm (1.9 in)	24 of 100 (Routine)
Keene	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Nashua 2 NNW	United States	Record high minimum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Plymouth	United States	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)
Enosburg Falls	United States	Record high maximum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Clontarf	Canada	Record high minimum temperature	8.9 C (48.0 F)	23 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record daily precipitation	47.2 mm (1.9 in)	23 of 100 (Routine)
Woodstock	United States	Record high maximum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Collingwood	Canada	Record high minimum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	12.8 C (55.0 F)	22 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	22 of 100 (Routine)
Rumford	United States	Record high maximum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
Princess Anne	United States	Record high maximum temperature	31.1 C (88.0 F)	22 of 100 (Routine)
Brockport	United States	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Warsaw 2 NW	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Wallaceburg	Canada	Record high minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	23.3 C (73.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

628 records

Records set or tied on 15 April 1941 by type: Highest daily maximum 278, Lowest daily maximum 18, Highest daily minimum 207, Lowest daily minimum 8, Heaviest daily rainfall 113, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 15 April 1941 by type
Record type	Records
Highest daily maximum	278
Lowest daily maximum	18
Highest daily minimum	207
Lowest daily minimum	8
Heaviest daily rainfall	113
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 15 April 1941 by timescale: all-time 0, monthly 15, daily 613.

How Much Records Were Beaten By

516 broken records

Margins by which the 516 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

15 April 1941

Top 20 records on 15 April 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1941	Walnut 4S, US	daily rain	95.5 mm (3.8 in)	57.4 mm (2.3 in)	23 years	45 of 100 (Notable)
15 April 1941	Nevada Wtp, US	daily rain	106.2 mm (4.2 in)	74.4 mm (2.9 in)	2 years	44 of 100 (Notable)
15 April 1941	Medicine Lodge, US	daily rain	47.5 mm (1.9 in)	31.8 mm (1.3 in)	40 years	42 of 100 (Notable)
15 April 1941	Lamar 7N, US	daily rain	69.9 mm (2.8 in)	41.7 mm (1.6 in)	31 years	42 of 100 (Notable)
15 April 1941	Haskell, US	daily rain	63.5 mm (2.5 in)	53.8 mm (2.1 in)	7 years	42 of 100 (Notable)
15 April 1941	Toronto, CA	daily high max	23.9 C (75.0 F)	1.1 C (2.0 F)	96 years	41 of 100 (Notable)
15 April 1941	Fredonia, US	daily rain	70.4 mm (2.8 in)	40.4 mm (1.6 in)	23 years	41 of 100 (Notable)
15 April 1941	Snoqualmie Falls, US	daily rain	48.8 mm (1.9 in)	23.4 mm (0.9 in)	27 years	41 of 100 (Notable)
15 April 1941	Huntsville, CA	daily high min	10.6 C (51.1 F)	6.7 C (12.1 F)	56 years	36 of 100 (Notable)
15 April 1941	Waurika, US	daily rain	55.1 mm (2.2 in)	33.8 mm (1.3 in)	24 years	35 of 100 (Notable)
15 April 1941	Lindsay, CA	daily high min	12.8 C (55.0 F)	5.6 C (10.1 F)	57 years	34 of 100 (Routine)
15 April 1941	Wellington, US	daily rain	67.8 mm (2.7 in)	32.2 mm (1.3 in)	23 years	33 of 100 (Routine)
15 April 1941	Chickasha, US	daily rain	52.1 mm (2.1 in)	33.0 mm (1.3 in)	24 years	33 of 100 (Routine)
15 April 1941	Hamilton, CA	daily high min	15.0 C (59.0 F)	8.3 C (14.9 F)	20 years	32 of 100 (Routine)
15 April 1941	Amguri, IN	daily rain	59.4 mm (2.3 in)	25.9 mm (1.0 in)	40 years	32 of 100 (Routine)
15 April 1941	Harrisville, US	daily high min	12.2 C (54.0 F)	6.1 C (11.0 F)	44 years	32 of 100 (Routine)
15 April 1941	Haringhata, IN	daily rain	32.5 mm (1.3 in)	27.4 mm (1.1 in)	12 years	31 of 100 (Routine)
15 April 1941	Frederick, US	daily rain	46.7 mm (1.8 in)	34.3 mm (1.4 in)	23 years	31 of 100 (Routine)
15 April 1941	Eraniel, IN	daily rain	83.8 mm (3.3 in)	36.8 mm (1.4 in)	10 years	30 of 100 (Routine)
15 April 1941	Concord, US	daily high max	30.0 C (86.0 F)	3.3 C (5.9 F)	60 years	30 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 1941

Records set or tied on this calendar date in each year from 1801 to 1941. 1941 had 628 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 1941-04-15: 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	510
50 to 100	4
100 to 150	0
150 to 200	1
200 to 250	1