Weather Records on 17 February 1955

721 weather records were set or tied worldwide on 17 February 1955. Highest significance: Mandurah Park, AU.

Key Facts for 17 February 1955

On 17 February 1955, 721 weather records were set or tied at long-record stations worldwide.
125 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 59 were all-time records, 68 monthly and 594 daily.
Mandurah Park set an all-time record daily precipitation of 141.0 mm (5.6 in) on 17 February 1955.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 497 records.

Record Map

721 stations

721 station records on 17 February 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 February 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mandurah Park	Australia	Record daily precipitation	141.0 mm (5.6 in)	78 of 100 (Major)
Arthur River	Australia	Record daily precipitation	199.6 mm (7.9 in)	78 of 100 (Major)
Dellyanine	Australia	Record daily precipitation	133.4 mm (5.3 in)	76 of 100 (Major)
Moana	Australia	Record daily precipitation	96.8 mm (3.8 in)	76 of 100 (Major)
Ongerup	Australia	Record daily precipitation	119.4 mm (4.7 in)	75 of 100 (Major)
Maybrook	Australia	Record daily precipitation	141.2 mm (5.6 in)	75 of 100 (Major)
Katanning Comparison	Australia	Record daily precipitation	125.7 mm (4.9 in)	72 of 100 (Major)
Marradong	Australia	Record daily precipitation	191.0 mm (7.5 in)	71 of 100 (Major)
Darkan	Australia	Record daily precipitation	146.1 mm (5.8 in)	71 of 100 (Major)
Horseshoe	Australia	Record daily precipitation	117.6 mm (4.6 in)	71 of 100 (Major)
Badgebup	Australia	Record daily precipitation	130.0 mm (5.1 in)	70 of 100 (Major)
Barooga	Australia	Record daily precipitation	146.8 mm (5.8 in)	70 of 100 (Major)
Nyerilup	Australia	Record daily precipitation	108.0 mm (4.3 in)	70 of 100 (Major)
Duranillin	Australia	Record daily precipitation	110.0 mm (4.3 in)	70 of 100 (Major)
Nanda Downs	Australia	Record daily precipitation	122.2 mm (4.8 in)	70 of 100 (Major)
Nyabing	Australia	Record daily precipitation	150.4 mm (5.9 in)	70 of 100 (Major)
Wandering Comparison	Australia	Record daily precipitation	137.9 mm (5.4 in)	70 of 100 (Major)
Woodanilling	Australia	Record daily precipitation	114.6 mm (4.5 in)	70 of 100 (Major)
Gnowanallup	Australia	Record daily precipitation	173.7 mm (6.8 in)	69 of 100 (Major)
Lilydale	Australia	Record daily precipitation	153.7 mm (6.1 in)	69 of 100 (Major)
Williams	Australia	Record daily precipitation	193.3 mm (7.6 in)	69 of 100 (Major)
Pinjarra	Australia	Record daily precipitation	112.5 mm (4.4 in)	68 of 100 (Major)
Broomehill	Australia	Record daily precipitation	102.4 mm (4.0 in)	68 of 100 (Major)
Riverdale	Australia	Record daily precipitation	120.7 mm (4.8 in)	68 of 100 (Major)
Albany	Australia	Record daily precipitation	57.4 mm (2.3 in)	67 of 100 (Major)
Rockingham Post Office	Australia	Record daily precipitation	105.4 mm (4.1 in)	66 of 100 (Major)
Boddington Shire	Australia	Record daily precipitation	173.5 mm (6.8 in)	66 of 100 (Major)
Bremer Bay	Australia	Record daily precipitation	114.8 mm (4.5 in)	66 of 100 (Major)
Chamingup	Australia	Record daily precipitation	102.6 mm (4.0 in)	66 of 100 (Major)
Tambellup	Australia	Record daily precipitation	96.5 mm (3.8 in)	66 of 100 (Major)
Jerramungup	Australia	Record daily precipitation	101.6 mm (4.0 in)	66 of 100 (Major)
Churchman Brook	Australia	Record daily precipitation	121.9 mm (4.8 in)	65 of 100 (Major)
Cape Riche	Australia	Record daily precipitation	108.7 mm (4.3 in)	65 of 100 (Major)
Bunkin	Australia	Record daily precipitation	116.8 mm (4.6 in)	65 of 100 (Major)
Dumbleyung	Australia	Record daily precipitation	118.6 mm (4.7 in)	65 of 100 (Major)
Dyliabing	Australia	Record daily precipitation	85.9 mm (3.4 in)	65 of 100 (Major)
Arundel	Australia	Record daily precipitation	74.2 mm (2.9 in)	64 of 100 (Major)
Bowelling	Australia	Record daily precipitation	127.3 mm (5.0 in)	64 of 100 (Major)
Mount Barker	Australia	Record daily precipitation	72.1 mm (2.8 in)	64 of 100 (Major)
Brookton	Australia	Record daily precipitation	82.6 mm (3.3 in)	64 of 100 (Major)
Redlands	Australia	Record daily precipitation	127.5 mm (5.0 in)	64 of 100 (Major)
Colunio	Australia	Record daily precipitation	113.8 mm (4.5 in)	64 of 100 (Major)
Mornington Mills	Australia	Record daily precipitation	82.6 mm (3.3 in)	63 of 100 (Major)
Serpentine	Australia	Record daily precipitation	121.9 mm (4.8 in)	62 of 100 (Major)
Grassmere	Australia	Record daily precipitation	52.1 mm (2.1 in)	62 of 100 (Major)
Kayballup	Australia	Record daily precipitation	73.9 mm (2.9 in)	61 of 100 (Major)
Newbicup	Australia	Record daily precipitation	68.1 mm (2.7 in)	60 of 100 (Major)
Knysna (Tnk)	South Africa	Record daily precipitation	52.0 mm (2.0 in)	59 of 100 (Notable)
Belvoir	Australia	Record daily precipitation	48.3 mm (1.9 in)	58 of 100 (Notable)
Midland	Australia	Record daily precipitation	51.6 mm (2.0 in)	58 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	84.8 mm (3.3 in)	58 of 100 (Notable)
Rottnest Island Lighthouse	Australia	Record daily precipitation	75.4 mm (3.0 in)	58 of 100 (Notable)
Dinninup	Australia	Record daily precipitation	79.8 mm (3.1 in)	58 of 100 (Notable)
Doornrivier	South Africa	Record daily precipitation	44.5 mm (1.8 in)	58 of 100 (Notable)
Perth Regional Office	Australia	Record daily precipitation	87.1 mm (3.4 in)	57 of 100 (Notable)
King River	Australia	Record daily precipitation	62.7 mm (2.5 in)	57 of 100 (Notable)
Chirelillup	Australia	Record daily precipitation	108.0 mm (4.3 in)	57 of 100 (Notable)
Nabawa	Australia	Record daily precipitation	55.6 mm (2.2 in)	56 of 100 (Notable)
Armadale	Australia	Record daily precipitation	65.8 mm (2.6 in)	56 of 100 (Notable)
Henley Park	Australia	Record daily precipitation	52.3 mm (2.1 in)	56 of 100 (Notable)

Counts by Type and Timescale

721 records

Records set or tied on 17 February 1955 by type: Highest daily maximum 21, Lowest daily maximum 10, Highest daily minimum 104, Lowest daily minimum 15, Heaviest daily rainfall 513, Heaviest daily snowfall 49, Deepest snow cover 9.

Records on 17 February 1955 by type
Record type	Records
Highest daily maximum	21
Lowest daily maximum	10
Highest daily minimum	104
Lowest daily minimum	15
Heaviest daily rainfall	513
Heaviest daily snowfall	49
Deepest snow cover	9

Records on 17 February 1955 by timescale: all-time 59, monthly 68, daily 594.

How Much Records Were Beaten By

652 broken records

Margins by which the 652 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

17 February 1955

Top 20 records on 17 February 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 February 1955	Mandurah Park, AU	all-time rain	141.0 mm (5.6 in)	44.5 mm (1.8 in)	47 years	78 of 100 (Major)
17 February 1955	Arthur River, AU	all-time rain	199.6 mm (7.9 in)	102.3 mm (4.0 in)	41 years	78 of 100 (Major)
17 February 1955	Dellyanine, AU	all-time rain	133.4 mm (5.3 in)	44.2 mm (1.7 in)	41 years	76 of 100 (Major)
17 February 1955	Moana, AU	all-time rain	96.8 mm (3.8 in)	21.4 mm (0.8 in)	41 years	76 of 100 (Major)
17 February 1955	Ongerup, AU	all-time rain	119.4 mm (4.7 in)	49.8 mm (2.0 in)	37 years	75 of 100 (Major)
17 February 1955	Maybrook, AU	all-time rain	141.2 mm (5.6 in)	34.5 mm (1.4 in)	37 years	75 of 100 (Major)
17 February 1955	Katanning Comparison, AU	all-time rain	125.7 mm (4.9 in)	19.8 mm (0.8 in)	41 years	72 of 100 (Major)
17 February 1955	Marradong, AU	all-time rain	191.0 mm (7.5 in)	108.2 mm (4.3 in)	20 years	71 of 100 (Major)
17 February 1955	Darkan, AU	all-time rain	146.1 mm (5.8 in)	57.2 mm (2.3 in)	22 years	71 of 100 (Major)
17 February 1955	Horseshoe, AU	all-time rain	117.6 mm (4.6 in)	28.7 mm (1.1 in)	26 years	71 of 100 (Major)
17 February 1955	Badgebup, AU	all-time rain	130.0 mm (5.1 in)	24.3 mm (1.0 in)	20 years	70 of 100 (Major)
17 February 1955	Barooga, AU	all-time rain	146.8 mm (5.8 in)	57.6 mm (2.3 in)	20 years	70 of 100 (Major)
17 February 1955	Nyerilup, AU	all-time rain	108.0 mm (4.3 in)	25.4 mm (1.0 in)	20 years	70 of 100 (Major)
17 February 1955	Duranillin, AU	all-time rain	110.0 mm (4.3 in)	42.7 mm (1.7 in)	20 years	70 of 100 (Major)
17 February 1955	Nanda Downs, AU	all-time rain	122.2 mm (4.8 in)	29.5 mm (1.2 in)	20 years	70 of 100 (Major)
17 February 1955	Nyabing, AU	all-time rain	150.4 mm (5.9 in)	60.2 mm (2.4 in)	20 years	70 of 100 (Major)
17 February 1955	Wandering Comparison, AU	all-time rain	137.9 mm (5.4 in)	33.8 mm (1.3 in)	20 years	70 of 100 (Major)
17 February 1955	Woodanilling, AU	all-time rain	114.6 mm (4.5 in)	36.9 mm (1.5 in)	20 years	70 of 100 (Major)
17 February 1955	Gnowanallup, AU	all-time rain	173.7 mm (6.8 in)	70.8 mm (2.8 in)	20 years	69 of 100 (Major)
17 February 1955	Lilydale, AU	all-time rain	153.7 mm (6.1 in)	77.0 mm (3.0 in)	20 years	69 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 1955

Records set or tied on this calendar date in each year from 1794 to 1955. 1955 had 721 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 1955-02-17: 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 50	595
50 to 100	47
100 to 150	8
150 to 200	1
200 to 250	1