Weather Records on 17 April 1945

475 weather records were set or tied worldwide on 17 April 1945. Highest significance: Detroit Lakes 1 NNE, US.

Key Facts for 17 April 1945

On 17 April 1945, 475 weather records were set or tied at long-record stations worldwide.
162 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 468 daily.
Detroit Lakes 1 NNE set a monthly record daily snowfall of 33.0 cm (13.0 in) on 17 April 1945.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 452 records.

Record Map

475 stations

475 station records on 17 April 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Detroit Lakes 1 NNE	United States	Record daily snowfall	33.0 cm (13.0 in)	58 of 100 (Notable)
Banner Elk	United States	Record daily precipitation	70.1 mm (2.8 in)	48 of 100 (Notable)
Jefferson 2 E	United States	Record daily precipitation	69.1 mm (2.7 in)	46 of 100 (Notable)
Gandai	India	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
Lumberton	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Chachora	India	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily snowfall	22.9 cm (9.0 in)	39 of 100 (Notable)
Louisa 2 S	United States	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Asheville	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Gaston Shoals	United States	Record daily precipitation	69.9 mm (2.8 in)	35 of 100 (Notable)
Wani	India	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Tallapoosa 2 N	United States	Record daily precipitation	59.7 mm (2.4 in)	34 of 100 (Routine)
Lycippus 1 E	United States	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Charleston 1	United States	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	35.3 mm (1.4 in)	33 of 100 (Routine)
Armagh	United Kingdom	Record high maximum temperature	17.7 C (63.9 F)	33 of 100 (Routine)
Marshall	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Kingston	United States	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Karad	India	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Ivanhoe	United States	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Burnside	United States	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Cave Run Lake	United States	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Bryson City 2	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Highlands	United States	Record daily precipitation	77.7 mm (3.1 in)	30 of 100 (Routine)
Rugby	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Indian Bay	Canada	Record daily snowfall	6.4 cm (2.5 in)	29 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Cairo 3 S	United States	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Huntington 1	United States	Record daily precipitation	36.6 mm (1.4 in)	29 of 100 (Routine)
Lubeck-Werft	Germany	Record high maximum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Sutton	United States	Record daily precipitation	45.7 mm (1.8 in)	28 of 100 (Routine)
Yemassee 1 N	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Russell	Canada	Record low minimum temperature	-8.9 C (16.0 F)	26 of 100 (Routine)
Clayton 1 SSW	United States	Record daily precipitation	66.0 mm (2.6 in)	26 of 100 (Routine)
Ironton	United States	Record daily precipitation	31.5 mm (1.2 in)	26 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Russell	Canada	Record low maximum temperature	-2.2 C (28.0 F)	25 of 100 (Routine)
Haliyal	India	Record daily precipitation	39.1 mm (1.5 in)	25 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record daily precipitation	51.6 mm (2.0 in)	25 of 100 (Routine)
Andrews	United States	Record daily precipitation	52.1 mm (2.1 in)	25 of 100 (Routine)
Morganton	United States	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Statesville 2 NNE	United States	Record daily precipitation	29.5 mm (1.2 in)	25 of 100 (Routine)
Walhalla	United States	Record daily precipitation	41.9 mm (1.6 in)	25 of 100 (Routine)
St Albans	Canada	Record low maximum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Fairview	United States	Record daily precipitation	41.7 mm (1.6 in)	24 of 100 (Routine)
Russellville	United States	Record daily precipitation	31.0 mm (1.2 in)	24 of 100 (Routine)
Settle	United States	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Greenville Dwtn AP	United States	Record daily precipitation	40.1 mm (1.6 in)	24 of 100 (Routine)
Shawano 2SSW	United States	Record daily precipitation	40.9 mm (1.6 in)	24 of 100 (Routine)
Mahukona 159	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Hartwell	United States	Record daily precipitation	45.2 mm (1.8 in)	23 of 100 (Routine)
Derry 4 SW	United States	Record daily precipitation	25.1 mm (1.0 in)	23 of 100 (Routine)
Emerson	Canada	Record low maximum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Savanne	Canada	Record low maximum temperature	-3.3 C (26.1 F)	22 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record high maximum temperature	28.0 C (82.4 F)	22 of 100 (Routine)

Counts by Type and Timescale

475 records

Records set or tied on 17 April 1945 by type: Highest daily maximum 46, Lowest daily maximum 58, Highest daily minimum 116, Lowest daily minimum 54, Heaviest daily rainfall 180, Heaviest daily snowfall 17, Deepest snow cover 4.

Records on 17 April 1945 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	58
Highest daily minimum	116
Lowest daily minimum	54
Heaviest daily rainfall	180
Heaviest daily snowfall	17
Deepest snow cover	4

Records on 17 April 1945 by timescale: all-time 0, monthly 7, daily 468.

How Much Records Were Beaten By

393 broken records

Margins by which the 393 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

17 April 1945

Top 20 records on 17 April 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1945	Detroit Lakes 1 NNE, US	monthly snowfall	33.0 cm (13.0 in)	17.8 cm (7.0 in)	11 years	58 of 100 (Notable)
17 April 1945	Banner Elk, US	daily rain	70.1 mm (2.8 in)	45.7 mm (1.8 in)	35 years	48 of 100 (Notable)
17 April 1945	Jefferson 2 E, US	daily rain	69.1 mm (2.7 in)	37.6 mm (1.5 in)	20 years	46 of 100 (Notable)
17 April 1945	Gandai, IN	daily rain	32.0 mm (1.3 in)	25.6 mm (1.0 in)	38 years	44 of 100 (Notable)
17 April 1945	Oxford, GB	daily high max	23.9 C (75.0 F)	2.8 C (5.0 F)	90 years	44 of 100 (Notable)
17 April 1945	Lumberton, US	daily rain	53.3 mm (2.1 in)	43.6 mm (1.7 in)	32 years	40 of 100 (Notable)
17 April 1945	Chachora, IN	monthly rain	50.8 mm (2.0 in)	22.9 mm (0.9 in)	12 years	39 of 100 (Notable)
17 April 1945	Sandy Lake Dam Libby, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	50 years	39 of 100 (Notable)
17 April 1945	Park Rapids Muni AP, US	daily snowfall	22.9 cm (9.0 in)	13.2 cm (5.2 in)	35 years	39 of 100 (Notable)
17 April 1945	Louisa 2 S, US	daily rain	34.0 mm (1.3 in)	25.9 mm (1.0 in)	18 years	37 of 100 (Notable)
17 April 1945	Asheville, US	daily rain	39.1 mm (1.5 in)	17.5 mm (0.7 in)	44 years	37 of 100 (Notable)
17 April 1945	Coloso, PR	daily low max	26.7 C (80.1 F)	2.7 C (4.9 F)	36 years	35 of 100 (Notable)
17 April 1945	Gaston Shoals, US	daily rain	69.9 mm (2.8 in)	40.2 mm (1.6 in)	6 years	35 of 100 (Notable)
17 April 1945	Wani, IN	daily rain	38.1 mm (1.5 in)	24.1 mm (0.9 in)	38 years	34 of 100 (Routine)
17 April 1945	Tallapoosa 2 N, US	daily rain	59.7 mm (2.4 in)	36.3 mm (1.4 in)	32 years	34 of 100 (Routine)
17 April 1945	Lycippus 1 E, US	daily rain	30.7 mm (1.2 in)	17.5 mm (0.7 in)	32 years	34 of 100 (Routine)
17 April 1945	Charleston 1, US	daily rain	31.0 mm (1.2 in)	20.8 mm (0.8 in)	18 years	34 of 100 (Routine)
17 April 1945	Ponce 4 E, PR	daily rain	35.3 mm (1.4 in)	28.4 mm (1.1 in)	32 years	33 of 100 (Routine)
17 April 1945	Armagh, GB	daily high max	17.7 C (63.9 F)	0.5 C (0.9 F)	74 years	33 of 100 (Routine)
17 April 1945	Marshall, US	daily rain	35.6 mm (1.4 in)	18.6 mm (0.7 in)	35 years	33 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

1799 to 1945

Records set or tied on this calendar date in each year from 1799 to 1945. 1945 had 475 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1945-04-17: 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 25	367
25 to 50	18
50 to 75	3
75 to 100	2
100 to 125	1
125 to 150	1
150 to 175	0
175 to 200	1