Weather Records on 17 February 1970

1,050 weather records were set or tied worldwide on 17 February 1970. Highest significance: Yalgoo, AU.

Key Facts for 17 February 1970

On 17 February 1970, 1,050 weather records were set or tied at long-record stations worldwide.
423 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 49 were all-time records, 146 monthly and 855 daily.
Yalgoo set an all-time record daily precipitation of 142.2 mm (5.6 in) on 17 February 1970.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 495 records.

Record Map

1,050 stations

1,050 station records on 17 February 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 February 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yalgoo	Australia	Record daily precipitation	142.2 mm (5.6 in)	74 of 100 (Major)
Dartmoor	Australia	Record daily precipitation	119.9 mm (4.7 in)	74 of 100 (Major)
Nangetty	Australia	Record daily precipitation	83.8 mm (3.3 in)	72 of 100 (Major)
Tardun	Australia	Record daily precipitation	99.8 mm (3.9 in)	72 of 100 (Major)
Bullardoo	Australia	Record daily precipitation	114.3 mm (4.5 in)	68 of 100 (Major)
Carbla Station	Australia	Record daily precipitation	98.0 mm (3.9 in)	67 of 100 (Major)
Wurarga	Australia	Record daily precipitation	142.2 mm (5.6 in)	66 of 100 (Major)
Cuttening	Australia	Record daily precipitation	73.9 mm (2.9 in)	66 of 100 (Major)
Navarre	Australia	Record daily precipitation	108.0 mm (4.3 in)	66 of 100 (Major)
Southern Cross	Australia	Record daily precipitation	77.2 mm (3.0 in)	66 of 100 (Major)
Koolanooka East	Australia	Record daily precipitation	127.5 mm (5.0 in)	65 of 100 (Major)
Perenjori	Australia	Record daily precipitation	86.4 mm (3.4 in)	64 of 100 (Major)
Ravensthorpe	Australia	Record daily precipitation	89.4 mm (3.5 in)	64 of 100 (Major)
Dobra Scritia	Australia	Record daily precipitation	81.3 mm (3.2 in)	64 of 100 (Major)
Bonnie Rock	Australia	Record daily precipitation	122.9 mm (4.8 in)	63 of 100 (Major)
Latham	Australia	Record daily precipitation	84.8 mm (3.3 in)	62 of 100 (Major)
Karlgarin	Australia	Record daily precipitation	116.1 mm (4.6 in)	62 of 100 (Major)
Grass Patch	Australia	Record daily precipitation	64.0 mm (2.5 in)	62 of 100 (Major)
Tallering	Australia	Record daily precipitation	88.9 mm (3.5 in)	61 of 100 (Major)
White Peak	Australia	Record daily precipitation	58.9 mm (2.3 in)	61 of 100 (Major)
Canna	Australia	Record daily precipitation	117.3 mm (4.6 in)	61 of 100 (Major)
Berkshire Valley	Australia	Record daily precipitation	68.8 mm (2.7 in)	60 of 100 (Major)
Yamma	Australia	Record daily precipitation	91.7 mm (3.6 in)	60 of 100 (Major)
Kellerberrin	Australia	Record daily precipitation	72.6 mm (2.9 in)	60 of 100 (Major)
Bodallin	Australia	Record daily precipitation	73.4 mm (2.9 in)	60 of 100 (Major)
Barnong	Australia	Record daily precipitation	95.3 mm (3.8 in)	59 of 100 (Notable)
South Holmwood	Australia	Record daily precipitation	68.6 mm (2.7 in)	59 of 100 (Notable)
Manarra	Australia	Record daily precipitation	61.0 mm (2.4 in)	59 of 100 (Notable)
Cowcowing	Australia	Record daily precipitation	63.5 mm (2.5 in)	59 of 100 (Notable)
Tammin	Australia	Record daily precipitation	91.9 mm (3.6 in)	59 of 100 (Notable)
Trayning	Australia	Record daily precipitation	71.4 mm (2.8 in)	59 of 100 (Notable)
Walk Walkin	Australia	Record daily precipitation	64.3 mm (2.5 in)	59 of 100 (Notable)
Codg Codgen	Australia	Record daily precipitation	72.4 mm (2.9 in)	59 of 100 (Notable)
St Albans	Australia	Record daily precipitation	95.0 mm (3.7 in)	59 of 100 (Notable)
Meadow Station	Australia	Record daily precipitation	83.8 mm (3.3 in)	58 of 100 (Notable)
Clontarf Farm	Australia	Record daily precipitation	114.8 mm (4.5 in)	58 of 100 (Notable)
Bungulla North	Australia	Record daily precipitation	75.4 mm (3.0 in)	58 of 100 (Notable)
Casuarina Vale	Australia	Record daily precipitation	70.1 mm (2.8 in)	58 of 100 (Notable)
Doodlakine	Australia	Record daily precipitation	63.8 mm (2.5 in)	58 of 100 (Notable)
Kalannie	Australia	Record daily precipitation	68.6 mm (2.7 in)	58 of 100 (Notable)
Merredin	Australia	Record daily precipitation	51.1 mm (2.0 in)	58 of 100 (Notable)
Wialki	Australia	Record daily precipitation	107.2 mm (4.2 in)	58 of 100 (Notable)
Corrigin	Australia	Record daily precipitation	73.7 mm (2.9 in)	58 of 100 (Notable)
Boodarockin	Australia	Record daily precipitation	92.7 mm (3.6 in)	57 of 100 (Notable)
Warralakin	Australia	Record daily precipitation	111.8 mm (4.4 in)	57 of 100 (Notable)
New Forest	Australia	Record daily precipitation	93.0 mm (3.7 in)	56 of 100 (Notable)
Koobabbie	Australia	Record daily precipitation	71.9 mm (2.8 in)	56 of 100 (Notable)
Campion	Australia	Record daily precipitation	119.9 mm (4.7 in)	56 of 100 (Notable)
Mount Madden	Australia	Record daily precipitation	91.4 mm (3.6 in)	56 of 100 (Notable)
Morawa West	Australia	Record daily precipitation	74.9 mm (2.9 in)	55 of 100 (Notable)
Cunderdin	Australia	Record daily precipitation	64.5 mm (2.5 in)	55 of 100 (Notable)
Wialki South	Australia	Record daily precipitation	95.3 mm (3.8 in)	55 of 100 (Notable)
Denham	Australia	Record daily precipitation	77.7 mm (3.1 in)	54 of 100 (Notable)
Watheroo	Australia	Record daily precipitation	44.5 mm (1.8 in)	54 of 100 (Notable)
Goomalling	Australia	Record daily precipitation	72.4 mm (2.9 in)	54 of 100 (Notable)
Korrelocking Post Office	Australia	Record daily precipitation	56.9 mm (2.2 in)	54 of 100 (Notable)
Lanaubra	Australia	Record daily precipitation	56.9 mm (2.2 in)	54 of 100 (Notable)
Telenning Hill	Australia	Record daily precipitation	92.5 mm (3.6 in)	54 of 100 (Notable)
Hamelin Pool	Australia	Record daily precipitation	89.9 mm (3.5 in)	53 of 100 (Notable)
Quondong	Australia	Record daily precipitation	70.6 mm (2.8 in)	53 of 100 (Notable)

Counts by Type and Timescale

1,050 records

Records set or tied on 17 February 1970 by type: Highest daily maximum 328, Lowest daily maximum 36, Highest daily minimum 95, Lowest daily minimum 57, Heaviest daily rainfall 496, Heaviest daily snowfall 29, Deepest snow cover 9.

Records on 17 February 1970 by type
Record type	Records
Highest daily maximum	328
Lowest daily maximum	36
Highest daily minimum	95
Lowest daily minimum	57
Heaviest daily rainfall	496
Heaviest daily snowfall	29
Deepest snow cover	9

Records on 17 February 1970 by timescale: all-time 49, monthly 146, daily 855.

How Much Records Were Beaten By

910 broken records

Margins by which the 910 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 196.0. Ties are not counted.

Top 20 by Significance

17 February 1970

Top 20 records on 17 February 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 February 1970	Yalgoo, AU	all-time rain	142.2 mm (5.6 in)	42.1 mm (1.7 in)	42 years	74 of 100 (Major)
17 February 1970	Dartmoor, AU	all-time rain	119.9 mm (4.7 in)	49.5 mm (1.9 in)	35 years	74 of 100 (Major)
17 February 1970	Nangetty, AU	monthly rain	83.8 mm (3.3 in)	39.9 mm (1.6 in)	54 years	72 of 100 (Major)
17 February 1970	Tardun, AU	all-time rain	99.8 mm (3.9 in)	27.2 mm (1.1 in)	36 years	72 of 100 (Major)
17 February 1970	Bullardoo, AU	monthly rain	114.3 mm (4.5 in)	60.5 mm (2.4 in)	41 years	68 of 100 (Major)
17 February 1970	Carbla Station, AU	monthly rain	98.0 mm (3.9 in)	45.9 mm (1.8 in)	41 years	67 of 100 (Major)
17 February 1970	Wurarga, AU	all-time rain	142.2 mm (5.6 in)	43.1 mm (1.7 in)	2 years	66 of 100 (Major)
17 February 1970	Cuttening, AU	daily rain	73.9 mm (2.9 in)	51.3 mm (2.0 in)	60 years	66 of 100 (Major)
17 February 1970	Navarre, AU	all-time rain	108.0 mm (4.3 in)	42.0 mm (1.7 in)	9 years	66 of 100 (Major)
17 February 1970	Southern Cross, AU	daily rain	77.2 mm (3.0 in)	69.6 mm (2.7 in)	60 years	66 of 100 (Major)
17 February 1970	Koolanooka East, AU	all-time rain	127.5 mm (5.0 in)	48.0 mm (1.9 in)	8 years	65 of 100 (Major)
17 February 1970	Perenjori, AU	monthly rain	86.4 mm (3.4 in)	41.9 mm (1.6 in)	31 years	64 of 100 (Major)
17 February 1970	Ravensthorpe, AU	monthly rain	89.4 mm (3.5 in)	26.2 mm (1.0 in)	52 years	64 of 100 (Major)
17 February 1970	Dobra Scritia, AU	daily rain	81.3 mm (3.2 in)	65.8 mm (2.6 in)	60 years	64 of 100 (Major)
17 February 1970	Bonnie Rock, AU	all-time rain	122.9 mm (4.8 in)	46.7 mm (1.8 in)	1 year	63 of 100 (Major)
17 February 1970	Latham, AU	monthly rain	84.8 mm (3.3 in)	38.6 mm (1.5 in)	31 years	62 of 100 (Major)
17 February 1970	Karlgarin, AU	monthly rain	116.1 mm (4.6 in)	53.1 mm (2.1 in)	31 years	62 of 100 (Major)
17 February 1970	Grass Patch, AU	daily rain	64.0 mm (2.5 in)	48.5 mm (1.9 in)	55 years	62 of 100 (Major)
17 February 1970	Tallering, AU	monthly rain	88.9 mm (3.5 in)	36.1 mm (1.4 in)	54 years	61 of 100 (Major)
17 February 1970	White Peak, AU	daily rain	58.9 mm (2.3 in)	57.1 mm (2.2 in)	52 years	61 of 100 (Major)

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

1794 to 1970

Records set or tied on this calendar date in each year from 1794 to 1970. 1970 had 1,050 records.

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

Records on 02-17 in each year
Year	Records
1794	1
1824	1
1827	1
1843	1
1847	2
1849	1
1850	1
1851	1
1852	1
1855	4
1856	1
1858	1
1859	2
1866	2
1867	3
1869	1
1874	1
1876	2
1878	1
1879	2
1880	1
1883	2
1884	1
1885	4
1887	2
1888	1
1891	1
1892	7
1893	1
1894	1
1895	7
1896	6
1897	1
1898	6
1899	3
1900	6
1901	5
1902	16
1903	22
1904	11
1905	9
1906	10
1907	6
1908	9
1909	10
1910	25
1911	27
1912	19
1913	17
1914	41
1915	17
1916	26
1917	38
1918	64
1919	236
1920	39
1921	182
1922	78
1923	69
1924	252
1925	188
1926	145
1927	377
1928	488
1929	234
1930	367
1931	212
1932	390
1933	164
1934	344
1935	150
1936	1,102
1937	295
1938	529
1939	755
1940	330
1941	166
1942	671
1943	542
1944	462
1945	349
1946	341
1947	274
1948	890
1949	436
1950	469
1951	358
1952	394
1953	369
1954	1,009
1955	721
1956	1,082
1957	252
1958	1,806
1959	575
1960	222
1961	734
1962	397
1963	303
1964	184
1965	332
1966	480
1967	611
1968	350
1969	604
1970	1,050
1971	487
1972	750
1973	821
1974	355
1975	1,035
1976	1,421
1977	650
1978	1,452
1979	1,965
1980	954
1981	2,353
1982	732
1983	484
1984	748
1985	622
1986	1,077
1987	659
1988	400
1989	1,026
1990	1,370
1991	771
1992	593
1993	2,102
1994	705
1995	1,387
1996	1,115
1997	841
1998	2,204
1999	697
2000	870
2001	712
2002	863
2003	1,151
2004	880
2005	538
2006	1,621
2007	1,177
2008	1,155
2009	765
2010	1,544
2011	1,615
2012	444
2013	312
2014	832
2015	1,209
2016	842
2017	864
2018	509
2019	1,177
2020	1,047
2021	2,052
2022	1,116
2023	1,581
2024	703
2025	617
2026	954

Download the Data

Data for records on 1970-02-17: 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 25	755
25 to 50	116
50 to 75	33
75 to 100	4
100 to 125	0
125 to 150	1
150 to 175	0
175 to 200	1