Weather Records on 17 April 1956

486 weather records were set or tied worldwide on 17 April 1956. Highest significance: Langdon Exp Farm, US.

Key Facts for 17 April 1956

On 17 April 1956, 486 weather records were set or tied at long-record stations worldwide.
37 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 480 daily.
Langdon Exp Farm set a daily record snow depth of 33.0 cm (13.0 in) on 17 April 1956.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 452 records.

Record Map

486 stations

486 station records on 17 April 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Langdon Exp Farm	United States	Record snow depth	33.0 cm (13.0 in)	52 of 100 (Notable)
Woodhouse	Australia	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Frankford (Rossville)	Australia	Record daily precipitation	63.5 mm (2.5 in)	49 of 100 (Notable)
Longreach Post Office	Australia	Record daily precipitation	74.9 mm (2.9 in)	46 of 100 (Notable)
Biser	Russia	Record daily precipitation	34.9 mm (1.4 in)	45 of 100 (Notable)
Innis Plain	Australia	Record daily precipitation	69.9 mm (2.8 in)	44 of 100 (Notable)
Darlington	Australia	Record daily precipitation	46.5 mm (1.8 in)	43 of 100 (Notable)
Myra	Australia	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Moorleah (Preolenna Road)	Australia	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Lake City Exp Farm	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Balgownie West	Australia	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Woods Point	Australia	Record daily precipitation	39.6 mm (1.6 in)	39 of 100 (Notable)
Iraucuba	Brazil	Record daily precipitation	146.0 mm (5.7 in)	39 of 100 (Notable)
Lugano	Switzerland	Record daily precipitation	78.4 mm (3.1 in)	36 of 100 (Notable)
Gunbower	Australia	Record daily precipitation	28.2 mm (1.1 in)	34 of 100 (Routine)
Sandvig	Denmark	Record low maximum temperature	0.7 C (33.3 F)	34 of 100 (Routine)
Bjuraker	Sweden	Record low minimum temperature	-13.5 C (7.7 F)	34 of 100 (Routine)
Glen Cairn	Australia	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record daily precipitation	38.4 mm (1.5 in)	32 of 100 (Routine)
Kirchdorf/Poel	Germany	Record low maximum temperature	3.0 C (37.4 F)	32 of 100 (Routine)
Ponca City	United States	Record low minimum temperature	-3.3 C (26.1 F)	32 of 100 (Routine)
Christmas Creek	Australia	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
Frogmoor	Australia	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
St Patricks River (Targa Farm)	Australia	Record daily precipitation	74.9 mm (2.9 in)	30 of 100 (Routine)
Acude Riacho Do Sangue	Brazil	Record daily precipitation	66.3 mm (2.6 in)	30 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low maximum temperature	3.7 C (38.7 F)	30 of 100 (Routine)
Gavle	Sweden	Record low minimum temperature	-13.5 C (7.7 F)	30 of 100 (Routine)
Maneroo	Australia	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Ridgley	Australia	Record daily precipitation	55.4 mm (2.2 in)	29 of 100 (Routine)
Uraidla	Australia	Record daily precipitation	48.8 mm (1.9 in)	28 of 100 (Routine)
Kurrowah	Australia	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Mount Buffalo Chalet	Australia	Record daily precipitation	95.3 mm (3.8 in)	28 of 100 (Routine)
Irishtown	Australia	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Nova Russas	Brazil	Record daily precipitation	72.0 mm (2.8 in)	28 of 100 (Routine)
Marnitz	Germany	Record low maximum temperature	1.6 C (34.9 F)	28 of 100 (Routine)
Cairns Post Office	Australia	Record high minimum temperature	24.4 C (75.9 F)	27 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	31.0 C (87.8 F)	27 of 100 (Routine)
Back Plains	Australia	Record daily precipitation	29.7 mm (1.2 in)	27 of 100 (Routine)
Devonport Harbour Master	Australia	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Pioneer (Main Road)	Australia	Record daily precipitation	47.5 mm (1.9 in)	27 of 100 (Routine)
Pecs Pogany	Hungary	Record high minimum temperature	15.4 C (59.7 F)	27 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	0.2 C (32.4 F)	27 of 100 (Routine)
Franklinville	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Blakefield	Australia	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Turallin	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Longford (Denton Close)	Australia	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Westbury (Valley View)	Australia	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Rosebery	Australia	Record daily precipitation	33.8 mm (1.3 in)	26 of 100 (Routine)
Lubeck-Werft	Germany	Record low maximum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Flahult	Sweden	Record low maximum temperature	0.0 C (32.0 F)	26 of 100 (Routine)
Wellington	United States	Record low minimum temperature	-3.9 C (25.0 F)	26 of 100 (Routine)
Wagoner	United States	Record low minimum temperature	-2.2 C (28.0 F)	26 of 100 (Routine)
Naalehu 14	United States	Record daily precipitation	43.4 mm (1.7 in)	26 of 100 (Routine)
Brisbane Regional Office	Australia	Record high minimum temperature	20.7 C (69.3 F)	25 of 100 (Routine)
Waratah (Mount Road)	Australia	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	30.0 C (86.0 F)	25 of 100 (Routine)
Teriberka	Russia	Record low minimum temperature	-15.1 C (4.8 F)	25 of 100 (Routine)
Abilene	United States	Record low minimum temperature	-2.8 C (27.0 F)	25 of 100 (Routine)
Winfield 3NE	United States	Record low minimum temperature	-3.9 C (25.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

486 records

Records set or tied on 17 April 1956 by type: Highest daily maximum 15, Lowest daily maximum 76, Highest daily minimum 22, Lowest daily minimum 103, Heaviest daily rainfall 228, Heaviest daily snowfall 32, Deepest snow cover 10.

Records on 17 April 1956 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	76
Highest daily minimum	22
Lowest daily minimum	103
Heaviest daily rainfall	228
Heaviest daily snowfall	32
Deepest snow cover	10

Records on 17 April 1956 by timescale: all-time 1, monthly 5, daily 480.

How Much Records Were Beaten By

417 broken records

Margins by which the 417 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

17 April 1956

Top 20 records on 17 April 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1956	Langdon Exp Farm, US	daily snow depth	33.0 cm (13.0 in)	33.0 cm (13.0 in)	49 years	52 of 100 (Notable)
17 April 1956	Woodhouse, AU	daily rain	68.6 mm (2.7 in)	68.6 mm (2.7 in)	62 years	50 of 100 (Notable)
17 April 1956	Frankford (Rossville), AU	daily rain	63.5 mm (2.5 in)	41.7 mm (1.6 in)	24 years	49 of 100 (Notable)
17 April 1956	Longreach Post Office, AU	daily rain	74.9 mm (2.9 in)	49.2 mm (1.9 in)	24 years	46 of 100 (Notable)
17 April 1956	Biser, RU	monthly rain	34.9 mm (1.4 in)	9.2 mm (0.36 in)	9 years	45 of 100 (Notable)
17 April 1956	Innis Plain, AU	daily rain	69.9 mm (2.8 in)	59.5 mm (2.3 in)	5 years	44 of 100 (Notable)
17 April 1956	Darlington, AU	daily rain	46.5 mm (1.8 in)	41.9 mm (1.6 in)	33 years	43 of 100 (Notable)
17 April 1956	Myra, AU	daily rain	38.4 mm (1.5 in)	25.7 mm (1.0 in)	46 years	43 of 100 (Notable)
17 April 1956	Moorleah (Preolenna Road), AU	daily rain	50.8 mm (2.0 in)	28.4 mm (1.1 in)	35 years	43 of 100 (Notable)
17 April 1956	Lake City Exp Farm, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	62 years	42 of 100 (Notable)
17 April 1956	Balgownie West, AU	daily rain	40.6 mm (1.6 in)	22.3 mm (0.9 in)	42 years	40 of 100 (Notable)
17 April 1956	Beaconsfield (Mine & Heritage, AU	daily rain	45.7 mm (1.8 in)	25.9 mm (1.0 in)	35 years	40 of 100 (Notable)
17 April 1956	Woods Point, AU	daily rain	39.6 mm (1.6 in)	14.7 mm (0.6 in)	66 years	39 of 100 (Notable)
17 April 1956	Iraucuba, BR	all-time rain	146.0 mm (5.7 in)	13.6 mm (0.5 in)	15 years	39 of 100 (Notable)
17 April 1956	Lugano, CH	daily rain	78.4 mm (3.1 in)	39.3 mm (1.5 in)	16 years	36 of 100 (Notable)
17 April 1956	Gunbower, AU	daily rain	28.2 mm (1.1 in)	19.1 mm (0.8 in)	45 years	34 of 100 (Routine)
17 April 1956	Sandvig, DK	daily low max	0.7 C (33.3 F)	1.2 C (2.2 F)	78 years	34 of 100 (Routine)
17 April 1956	Bjuraker, SE	daily low min	-13.5 C (7.7 F)	2.5 C (4.5 F)	71 years	34 of 100 (Routine)
17 April 1956	Glen Cairn, AU	daily rain	33.0 mm (1.3 in)	28.7 mm (1.1 in)	29 years	32 of 100 (Routine)
17 April 1956	Launceston (Pumping Station), AU	daily rain	38.4 mm (1.5 in)	14.0 mm (0.6 in)	24 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

1799 to 1956

Records set or tied on this calendar date in each year from 1799 to 1956. 1956 had 486 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 1956-04-17: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	407
50 to 100	7
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	2
300 to 350	1