Weather Records on 12 April 1945

884 weather records were set or tied worldwide on 12 April 1945. Highest significance: Toronto, CA.

Key Facts for 12 April 1945

On 12 April 1945, 884 weather records were set or tied at long-record stations worldwide.
648 were record highs and 116 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 872 daily.
Toronto set a daily record high maximum temperature of 21.1 C (70.0 F) on 12 April 1945.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 499 records.

Record Map

884 stations

884 station records on 12 April 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record high maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Gardiner	United States	Record high maximum temperature	29.4 C (84.9 F)	42 of 100 (Notable)
Berlin	United States	Record high maximum temperature	28.3 C (82.9 F)	42 of 100 (Notable)
Belleville	Canada	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Belleville	Canada	Record high maximum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Owen Sound	Canada	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Springfield	United States	Record daily precipitation	58.7 mm (2.3 in)	38 of 100 (Notable)
Haileybury	Canada	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Parry Sound	Canada	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Sac City	United States	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Montreal McGill	Canada	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Southampton	Canada	Record high minimum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Owosso Wwtp	United States	Record high minimum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Canton 4 SE	United States	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Sussex	Canada	Record high maximum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
North Bay	Canada	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Bathurst	Canada	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Joplin	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Lucknow	Canada	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Toledo Blade	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Snoqualmie Falls	United States	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Cairns Post Office	Australia	Record low minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Lockport 2SE	United States	Record high minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Defiance	United States	Record high minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	67.6 mm (2.7 in)	29 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Simcoe	Canada	Record high minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high minimum temperature	10.5 C (50.9 F)	29 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Presque Isle	United States	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Brockton	United States	Record high maximum temperature	28.3 C (82.9 F)	29 of 100 (Routine)
Saint Ignatius	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Newport	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Geneva Exp STN	United States	Record high minimum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Calvin	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Charters Towers Post Office	Australia	Record low minimum temperature	10.6 C (51.1 F)	28 of 100 (Routine)
Goderich	Canada	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Brantford	Canada	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Nicolet	Canada	Record high maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Barrage Angliers	Canada	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)
Ntsubane (Bos)	South Africa	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Alma	United States	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Whitefish Pt	United States	Record high minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Saint Ignatius	United States	Record daily snowfall	17.8 cm (7.0 in)	28 of 100 (Routine)
Avon	United States	Record high minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
State College	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Caron	Canada	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Clontarf	Canada	Record high maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Ottawa Cda	Canada	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Orillia	Canada	Record high minimum temperature	7.2 C (45.0 F)	27 of 100 (Routine)
Beauceville	Canada	Record high maximum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Parrsboro	Canada	Record high maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Bridgeport	United States	Record high maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Grayling	United States	Record high minimum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Port Jervis	United States	Record high maximum temperature	28.3 C (82.9 F)	27 of 100 (Routine)

Counts by Type and Timescale

884 records

Records set or tied on 12 April 1945 by type: Highest daily maximum 281, Lowest daily maximum 64, Highest daily minimum 367, Lowest daily minimum 52, Heaviest daily rainfall 88, Heaviest daily snowfall 31, Deepest snow cover 1.

Records on 12 April 1945 by type
Record type	Records
Highest daily maximum	281
Lowest daily maximum	64
Highest daily minimum	367
Lowest daily minimum	52
Heaviest daily rainfall	88
Heaviest daily snowfall	31
Deepest snow cover	1

Records on 12 April 1945 by timescale: all-time 0, monthly 12, daily 872.

How Much Records Were Beaten By

752 broken records

Margins by which the 752 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

12 April 1945

Top 20 records on 12 April 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1945	Toronto, CA	daily high max	21.1 C (70.0 F)	2.2 C (4.0 F)	100 years	43 of 100 (Notable)
12 April 1945	Gardiner, US	daily high max	29.4 C (84.9 F)	10.5 C (18.9 F)	55 years	42 of 100 (Notable)
12 April 1945	Berlin, US	daily high max	28.3 C (82.9 F)	12.7 C (22.9 F)	55 years	42 of 100 (Notable)
12 April 1945	Belleville, CA	daily high min	10.0 C (50.0 F)	5.6 C (10.1 F)	66 years	41 of 100 (Notable)
12 April 1945	Belleville, CA	daily high max	23.3 C (73.9 F)	5.0 C (9.0 F)	78 years	39 of 100 (Notable)
12 April 1945	Owen Sound, CA	daily high min	15.6 C (60.1 F)	8.4 C (15.1 F)	51 years	38 of 100 (Notable)
12 April 1945	Springfield, US	daily rain	58.7 mm (2.3 in)	29.7 mm (1.2 in)	28 years	38 of 100 (Notable)
12 April 1945	Haileybury, CA	daily high min	15.0 C (59.0 F)	13.3 C (23.9 F)	28 years	37 of 100 (Notable)
12 April 1945	Parry Sound, CA	daily high min	12.8 C (55.0 F)	7.8 C (14.0 F)	51 years	37 of 100 (Notable)
12 April 1945	Sac City, US	daily rain	33.0 mm (1.3 in)	16.5 mm (0.6 in)	47 years	37 of 100 (Notable)
12 April 1945	Montreal McGill, CA	daily high min	13.3 C (55.9 F)	7.2 C (13.0 F)	46 years	36 of 100 (Notable)
12 April 1945	Southampton, CA	daily high min	13.3 C (55.9 F)	6.1 C (11.0 F)	51 years	35 of 100 (Notable)
12 April 1945	Owosso Wwtp, US	daily high min	15.6 C (60.1 F)	8.4 C (15.1 F)	48 years	35 of 100 (Notable)
12 April 1945	Canton 4 SE, US	daily high min	12.2 C (54.0 F)	8.3 C (14.9 F)	45 years	35 of 100 (Notable)
12 April 1945	Sussex, CA	daily high max	27.2 C (81.0 F)	8.9 C (16.0 F)	46 years	34 of 100 (Routine)
12 April 1945	Setauket Strong, US	daily high max	24.4 C (75.9 F)	6.1 C (11.0 F)	58 years	34 of 100 (Routine)
12 April 1945	North Bay, CA	daily high min	10.0 C (50.0 F)	7.8 C (14.0 F)	46 years	33 of 100 (Routine)
12 April 1945	Bathurst, CA	daily high min	5.6 C (42.1 F)	4.5 C (8.1 F)	53 years	33 of 100 (Routine)
12 April 1945	Joplin, US	daily rain	53.3 mm (2.1 in)	31.7 mm (1.2 in)	18 years	33 of 100 (Routine)
12 April 1945	Beatrice, CA	daily high min	9.4 C (48.9 F)	6.1 C (11.0 F)	51 years	32 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 1945

Records set or tied on this calendar date in each year from 1793 to 1945. 1945 had 884 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 1945-04-12: 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 20	723
20 to 40	16
40 to 60	6
60 to 80	6
80 to 100	0
100 to 120	1