Weather Records on 17 April 1943

285 weather records were set or tied worldwide on 17 April 1943. Highest significance: Noreena Downs, AU.

Key Facts for 17 April 1943

On 17 April 1943, 285 weather records were set or tied at long-record stations worldwide.
58 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 7 monthly and 274 daily.
Noreena Downs set an all-time record daily precipitation of 205.7 mm (8.1 in) on 17 April 1943.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 454 records.

Record Map

285 stations

285 station records on 17 April 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Noreena Downs	Australia	Record daily precipitation	205.7 mm (8.1 in)	72 of 100 (Major)
Bamboo Springs	Australia	Record daily precipitation	143.0 mm (5.6 in)	63 of 100 (Major)
Ardmore	United States	Record daily precipitation	90.9 mm (3.6 in)	56 of 100 (Notable)
Abydos Woodstock	Australia	Record daily precipitation	116.8 mm (4.6 in)	55 of 100 (Notable)
Nullagine	Australia	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Barduar	India	Record daily precipitation	113.0 mm (4.4 in)	48 of 100 (Notable)
Roy Hill	Australia	Record daily precipitation	74.9 mm (2.9 in)	45 of 100 (Notable)
Haliburton A	Canada	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Tamluk	India	Record daily precipitation	68.6 mm (2.7 in)	42 of 100 (Notable)
Emporium 1 E	United States	Record daily snowfall	19.1 cm (7.5 in)	40 of 100 (Notable)
Lock Haven	United States	Record daily snowfall	25.4 cm (10.0 in)	40 of 100 (Notable)
Bonney Downs	Australia	Record daily precipitation	158.8 mm (6.3 in)	35 of 100 (Notable)
Prescott 2 NNW	United States	Record daily precipitation	78.7 mm (3.1 in)	33 of 100 (Routine)
Durant	United States	Record daily precipitation	65.5 mm (2.6 in)	33 of 100 (Routine)
Sugar Land	United States	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Kalkfontein	South Africa	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Gemsbokfontein	South Africa	Record daily precipitation	47.4 mm (1.9 in)	31 of 100 (Routine)
Chattanooga	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
St Marys	United States	Record daily precipitation	40.9 mm (1.6 in)	31 of 100 (Routine)
Norddal	Norway	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Chillicothe	United States	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	34.5 mm (1.4 in)	29 of 100 (Routine)
Maristova	Norway	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Wonderfontein (Skl)	South Africa	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Susendal	Norway	Record snow depth	210.0 cm (82.7 in)	28 of 100 (Routine)
Kilmashogue,Lowlands	South Africa	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Roodepoort	South Africa	Record daily precipitation	54.9 mm (2.2 in)	28 of 100 (Routine)
McAlester Rgnl AP	United States	Record daily precipitation	36.3 mm (1.4 in)	28 of 100 (Routine)
Te Kowai Exp STN	Australia	Record daily precipitation	77.0 mm (3.0 in)	27 of 100 (Routine)
Ravensfield	Australia	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Lysebotn	Norway	Record daily precipitation	39.2 mm (1.5 in)	26 of 100 (Routine)
Emporium 1 E	United States	Record snow depth	10.2 cm (4.0 in)	26 of 100 (Routine)
Lock Haven	United States	Record snow depth	10.2 cm (4.0 in)	26 of 100 (Routine)
Angleton 2 W	United States	Record daily precipitation	54.1 mm (2.1 in)	26 of 100 (Routine)
New Martinsville 4 NNE	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Tarnaby	Sweden	Record snow depth	150.0 cm (59.1 in)	25 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	64.0 mm (2.5 in)	25 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Cwebe	South Africa	Record daily precipitation	60.7 mm (2.4 in)	24 of 100 (Routine)
Tishomingo Natl Wr	United States	Record daily precipitation	127.0 mm (5.0 in)	24 of 100 (Routine)
State College	United States	Record daily snowfall	13.2 cm (5.2 in)	24 of 100 (Routine)
Marshall	United States	Record daily precipitation	60.7 mm (2.4 in)	24 of 100 (Routine)
Runge	United States	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Agartala	India	Record daily precipitation	70.6 mm (2.8 in)	23 of 100 (Routine)
Addison	United States	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Salur	India	Record daily precipitation	33.5 mm (1.3 in)	22 of 100 (Routine)
Kriel (Pol)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	22 of 100 (Routine)
Tonteldoos	South Africa	Record daily precipitation	41.7 mm (1.6 in)	22 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	11.3 C (52.3 F)	22 of 100 (Routine)
Waurika	United States	Record daily precipitation	32.3 mm (1.3 in)	22 of 100 (Routine)
Lock Haven	United States	Record low minimum temperature	-5.0 C (23.0 F)	22 of 100 (Routine)
Arthur City	United States	Record daily precipitation	53.3 mm (2.1 in)	22 of 100 (Routine)
Le Bourget	France	Record high maximum temperature	26.1 C (79.0 F)	21 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Badplaas (Pol)	South Africa	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Mulga Downs	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
De Wagendrift	South Africa	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Elliston	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Viljujsk	Russia	Record daily precipitation	3.8 mm (0.15 in)	20 of 100 (Routine)

Counts by Type and Timescale

285 records

Records set or tied on 17 April 1943 by type: Highest daily maximum 29, Lowest daily maximum 10, Highest daily minimum 29, Lowest daily minimum 24, Heaviest daily rainfall 178, Heaviest daily snowfall 8, Deepest snow cover 7.

Records on 17 April 1943 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	10
Highest daily minimum	29
Lowest daily minimum	24
Heaviest daily rainfall	178
Heaviest daily snowfall	8
Deepest snow cover	7

Records on 17 April 1943 by timescale: all-time 4, monthly 7, daily 274.

How Much Records Were Beaten By

250 broken records

Margins by which the 250 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

17 April 1943

Top 20 records on 17 April 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1943	Noreena Downs, AU	all-time rain	205.7 mm (8.1 in)	71.1 mm (2.8 in)	31 years	72 of 100 (Major)
17 April 1943	Bamboo Springs, AU	all-time rain	143.0 mm (5.6 in)	52.6 mm (2.1 in)	1 year	63 of 100 (Major)
17 April 1943	Ardmore, US	daily rain	90.9 mm (3.6 in)	68.0 mm (2.7 in)	40 years	56 of 100 (Notable)
17 April 1943	Abydos Woodstock, AU	monthly rain	116.8 mm (4.6 in)	65.7 mm (2.6 in)	5 years	55 of 100 (Notable)
17 April 1943	Nullagine, AU	daily rain	81.3 mm (3.2 in)	74.9 mm (2.9 in)	22 years	50 of 100 (Notable)
17 April 1943	Barduar, IN	monthly rain	113.0 mm (4.4 in)	31.7 mm (1.2 in)	33 years	48 of 100 (Notable)
17 April 1943	Roy Hill, AU	daily rain	74.9 mm (2.9 in)	57.4 mm (2.3 in)	24 years	45 of 100 (Notable)
17 April 1943	Haliburton A, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	59 years	43 of 100 (Notable)
17 April 1943	Tamluk, IN	daily rain	68.6 mm (2.7 in)	40.9 mm (1.6 in)	26 years	42 of 100 (Notable)
17 April 1943	Emporium 1 E, US	daily snowfall	19.1 cm (7.5 in)	16.6 cm (6.5 in)	14 years	40 of 100 (Notable)
17 April 1943	Lock Haven, US	daily snowfall	25.4 cm (10.0 in)	24.1 cm (9.5 in)	37 years	40 of 100 (Notable)
17 April 1943	Bonney Downs, AU	all-time rain	158.8 mm (6.3 in)	6.4 mm (0.25 in)	26 years	35 of 100 (Notable)
17 April 1943	Prescott 2 NNW, US	daily rain	78.7 mm (3.1 in)	24.9 mm (1.0 in)	48 years	33 of 100 (Routine)
17 April 1943	Durant, US	daily rain	65.5 mm (2.6 in)	38.8 mm (1.5 in)	24 years	33 of 100 (Routine)
17 April 1943	Sugar Land, US	daily rain	63.5 mm (2.5 in)	54.4 mm (2.1 in)	12 years	33 of 100 (Routine)
17 April 1943	Kalkfontein, ZA	daily rain	33.5 mm (1.3 in)	31.2 mm (1.2 in)	20 years	32 of 100 (Routine)
17 April 1943	Gemsbokfontein, ZA	daily rain	47.4 mm (1.9 in)	26.4 mm (1.0 in)	2 years	31 of 100 (Routine)
17 April 1943	Chattanooga, US	daily rain	36.6 mm (1.4 in)	27.7 mm (1.1 in)	24 years	31 of 100 (Routine)
17 April 1943	St Marys, US	daily rain	40.9 mm (1.6 in)	24.4 mm (1.0 in)	4 years	31 of 100 (Routine)
17 April 1943	Norddal, NO	daily rain	33.0 mm (1.3 in)	10.0 mm (0.4 in)	25 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

1799 to 1943

Records set or tied on this calendar date in each year from 1799 to 1943. 1943 had 285 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 1943-04-17: 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 50	232
50 to 100	9
100 to 150	5
150 to 200	2
200 to 250	1
250 to 300	0
300 to 350	1