Weather Records on 17 April 1975

666 weather records were set or tied worldwide on 17 April 1975. Highest significance: Yuin, AU.

Key Facts for 17 April 1975

On 17 April 1975, 666 weather records were set or tied at long-record stations worldwide.
130 were record highs and 171 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 9 monthly and 655 daily.
Yuin set a daily record precipitation of 48.2 mm (1.9 in) on 17 April 1975.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 451 records.

Record Map

666 stations

666 station records on 17 April 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yuin	Australia	Record daily precipitation	48.2 mm (1.9 in)	69 of 100 (Major)
Grand Junction Walker Fld	United States	Record daily snowfall	13.5 cm (5.3 in)	69 of 100 (Major)
Carnamah	Australia	Record daily precipitation	65.8 mm (2.6 in)	63 of 100 (Major)
Round Hill	Australia	Record daily precipitation	48.6 mm (1.9 in)	63 of 100 (Major)
Nardy	Australia	Record daily precipitation	60.2 mm (2.4 in)	62 of 100 (Major)
Moora	Australia	Record daily precipitation	45.3 mm (1.8 in)	61 of 100 (Major)
Koonadgin	Australia	Record daily precipitation	45.0 mm (1.8 in)	59 of 100 (Notable)
Haileybury	Canada	Record daily precipitation	33.0 mm (1.3 in)	58 of 100 (Notable)
Corinne	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Kern River Ph 1	United States	Record daily precipitation	33.3 mm (1.3 in)	54 of 100 (Notable)
Clontarf Farm	Australia	Record daily precipitation	53.8 mm (2.1 in)	51 of 100 (Notable)
Three Springs	Australia	Record daily precipitation	57.6 mm (2.3 in)	50 of 100 (Notable)
Captains Flat (Foxlow St)	Australia	Record daily precipitation	53.4 mm (2.1 in)	50 of 100 (Notable)
Yallalong	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Bon Accord Dam	South Africa	Record daily precipitation	78.0 mm (3.1 in)	47 of 100 (Notable)
Eureka	United States	Record snow depth	17.8 cm (7.0 in)	47 of 100 (Notable)
Gabyon	Australia	Record daily precipitation	42.2 mm (1.7 in)	46 of 100 (Notable)
Balmaha	Australia	Record daily precipitation	34.0 mm (1.3 in)	46 of 100 (Notable)
Coorow	Australia	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
Bullardoo	Australia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record daily precipitation	36.6 mm (1.4 in)	45 of 100 (Notable)
Barnong	Australia	Record daily precipitation	35.2 mm (1.4 in)	44 of 100 (Notable)
Ninghan Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Bettowynd (Condry)	Australia	Record daily precipitation	122.4 mm (4.8 in)	44 of 100 (Notable)
Bungendore (Gidleigh)	Australia	Record daily precipitation	43.6 mm (1.7 in)	44 of 100 (Notable)
Twin Peaks	Australia	Record daily precipitation	42.0 mm (1.7 in)	43 of 100 (Notable)
Yalgoo	Australia	Record daily precipitation	41.0 mm (1.6 in)	43 of 100 (Notable)
Wurarga	Australia	Record daily precipitation	40.0 mm (1.6 in)	43 of 100 (Notable)
Tallering	Australia	Record daily precipitation	37.0 mm (1.5 in)	43 of 100 (Notable)
Braidwood (Krawarree)	Australia	Record daily precipitation	73.4 mm (2.9 in)	43 of 100 (Notable)
Ovando	United States	Record snow depth	25.4 cm (10.0 in)	43 of 100 (Notable)
Bowgada	Australia	Record daily precipitation	38.6 mm (1.5 in)	42 of 100 (Notable)
Canna	Australia	Record daily precipitation	32.4 mm (1.3 in)	42 of 100 (Notable)
Yathroo	Australia	Record daily precipitation	56.6 mm (2.2 in)	42 of 100 (Notable)
Woolgorong	Australia	Record daily precipitation	32.6 mm (1.3 in)	41 of 100 (Notable)
Mount Fairy (Merigan)	Australia	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Perenjori	Australia	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Hillgrove (Hillview)	Australia	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
Medicine Lake 3 SE	United States	Record snow depth	25.4 cm (10.0 in)	40 of 100 (Notable)
Sandstone	Australia	Record daily precipitation	25.0 mm (1.0 in)	39 of 100 (Notable)
Austin #2	United States	Record snow depth	27.9 cm (11.0 in)	39 of 100 (Notable)
Ogden Sugar Factory	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Yarragadee	Australia	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Mineral	United States	Record low minimum temperature	-13.9 C (7.0 F)	38 of 100 (Notable)
Mahnomen	United States	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Lower Boro (Calderwood)	Australia	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Tejon Rancho	United States	Record daily precipitation	35.3 mm (1.4 in)	37 of 100 (Notable)
Noongall	Australia	Record daily precipitation	26.6 mm (1.0 in)	36 of 100 (Notable)
Murchison Downs	Australia	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Morawa	Australia	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Macaubas	Brazil	Record daily precipitation	46.6 mm (1.8 in)	36 of 100 (Notable)
Potlatch 3 NNE	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Gaylord	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Majors Creek (the Old School)	Australia	Record daily precipitation	115.4 mm (4.5 in)	35 of 100 (Notable)
Grand Falls	Canada	Record daily snowfall	13.7 cm (5.4 in)	35 of 100 (Notable)
Tucson WFO	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Bindi Bindi East	Australia	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
Braidwood (Wallace Street)	Australia	Record daily precipitation	51.6 mm (2.0 in)	34 of 100 (Routine)
Coomberdale	Australia	Record daily precipitation	90.0 mm (3.5 in)	33 of 100 (Routine)
Marulan (George St)	Australia	Record daily precipitation	39.0 mm (1.5 in)	33 of 100 (Routine)

Counts by Type and Timescale

666 records

Records set or tied on 17 April 1975 by type: Highest daily maximum 64, Lowest daily maximum 84, Highest daily minimum 66, Lowest daily minimum 87, Heaviest daily rainfall 285, Heaviest daily snowfall 44, Deepest snow cover 36.

Records on 17 April 1975 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	84
Highest daily minimum	66
Lowest daily minimum	87
Heaviest daily rainfall	285
Heaviest daily snowfall	44
Deepest snow cover	36

Records on 17 April 1975 by timescale: all-time 2, monthly 9, daily 655.

How Much Records Were Beaten By

542 broken records

Margins by which the 542 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 1975

Top 20 records on 17 April 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1975	Yuin, AU	daily rain	48.2 mm (1.9 in)	48.2 mm (1.9 in)	73 years	69 of 100 (Major)
17 April 1975	Grand Junction Walker Fld, US	daily snowfall	13.5 cm (5.3 in)	13.5 cm (5.3 in)	74 years	69 of 100 (Major)
17 April 1975	Carnamah, AU	daily rain	65.8 mm (2.6 in)	42.9 mm (1.7 in)	52 years	63 of 100 (Major)
17 April 1975	Round Hill, AU	daily rain	48.6 mm (1.9 in)	38.2 mm (1.5 in)	56 years	63 of 100 (Major)
17 April 1975	Nardy, AU	daily rain	60.2 mm (2.4 in)	48.3 mm (1.9 in)	56 years	62 of 100 (Major)
17 April 1975	Moora, AU	daily rain	45.3 mm (1.8 in)	35.4 mm (1.4 in)	48 years	61 of 100 (Major)
17 April 1975	Koonadgin, AU	daily rain	45.0 mm (1.8 in)	36.1 mm (1.4 in)	48 years	59 of 100 (Notable)
17 April 1975	Haileybury, CA	daily rain	33.0 mm (1.3 in)	19.8 mm (0.8 in)	56 years	58 of 100 (Notable)
17 April 1975	Corinne, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	73 years	55 of 100 (Notable)
17 April 1975	Kern River Ph 1, US	daily rain	33.3 mm (1.3 in)	25.7 mm (1.0 in)	52 years	54 of 100 (Notable)
17 April 1975	Clontarf Farm, AU	daily rain	53.8 mm (2.1 in)	49.2 mm (1.9 in)	25 years	51 of 100 (Notable)
17 April 1975	Three Springs, AU	daily rain	57.6 mm (2.3 in)	40.1 mm (1.6 in)	16 years	50 of 100 (Notable)
17 April 1975	Captains Flat (Foxlow St), AU	daily rain	53.4 mm (2.1 in)	40.7 mm (1.6 in)	53 years	50 of 100 (Notable)
17 April 1975	Yallalong, AU	daily rain	32.0 mm (1.3 in)	24.9 mm (1.0 in)	48 years	47 of 100 (Notable)
17 April 1975	Bon Accord Dam, ZA	daily rain	78.0 mm (3.1 in)	58.5 mm (2.3 in)	8 years	47 of 100 (Notable)
17 April 1975	Eureka, US	daily snow depth	17.8 cm (7.0 in)	12.7 cm (5.0 in)	57 years	47 of 100 (Notable)
17 April 1975	Gabyon, AU	daily rain	42.2 mm (1.7 in)	29.5 mm (1.2 in)	48 years	46 of 100 (Notable)
17 April 1975	Balmaha, AU	daily rain	34.0 mm (1.3 in)	32.2 mm (1.3 in)	28 years	46 of 100 (Notable)
17 April 1975	Coorow, AU	daily rain	36.0 mm (1.4 in)	26.9 mm (1.1 in)	56 years	46 of 100 (Notable)
17 April 1975	Bullardoo, AU	daily rain	32.0 mm (1.3 in)	21.1 mm (0.8 in)	48 years	45 of 100 (Notable)

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 1975

Records set or tied on this calendar date in each year from 1799 to 1975. 1975 had 666 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 1975-04-17: 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	505
50 to 100	20
100 to 150	7
150 to 200	5
200 to 250	1
250 to 300	2
300 to 350	2