Weather Records on 18 February 2011

1,600 weather records were set or tied worldwide on 18 February 2011. Highest significance: Nullarbor, AU.

Key Facts for 18 February 2011

On 18 February 2011, 1,600 weather records were set or tied at long-record stations worldwide.
986 were record highs and 319 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 44 monthly and 1,554 daily.
Nullarbor set a monthly record daily precipitation of 79.8 mm (3.1 in) on 18 February 2011.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 495 records.

Record Map

1,600 stations

1,600 station records on 18 February 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 February 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nullarbor	Australia	Record daily precipitation	79.8 mm (3.1 in)	84 of 100 (Exceptional)
Cooma (Kiaora)	Australia	Record daily precipitation	66.2 mm (2.6 in)	77 of 100 (Major)
Cook	Australia	Record daily precipitation	51.4 mm (2.0 in)	75 of 100 (Major)
Murray Lagoon (Hawks Nest)	Australia	Record daily precipitation	72.0 mm (2.8 in)	75 of 100 (Major)
Koppio	Australia	Record daily precipitation	50.8 mm (2.0 in)	72 of 100 (Major)
Penong (Penalumba)	Australia	Record daily precipitation	45.0 mm (1.8 in)	67 of 100 (Major)
Lorna Glen	Australia	Record daily precipitation	68.2 mm (2.7 in)	60 of 100 (Major)
Tipperary	Australia	Record daily precipitation	222.8 mm (8.8 in)	55 of 100 (Notable)
Ardrossan (Vitana)	Australia	Record daily precipitation	50.0 mm (2.0 in)	55 of 100 (Notable)
Isseka	Australia	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
La Rumorosa	Mexico	Record daily precipitation	59.9 mm (2.4 in)	53 of 100 (Notable)
King City	United States	Record daily precipitation	63.5 mm (2.5 in)	52 of 100 (Notable)
Wongawol	Australia	Record daily precipitation	87.4 mm (3.4 in)	51 of 100 (Notable)
Nundroo	Australia	Record daily precipitation	49.6 mm (2.0 in)	51 of 100 (Notable)
Cooma Visitors Centre	Australia	Record daily precipitation	62.4 mm (2.5 in)	51 of 100 (Notable)
Millrose	Australia	Record daily precipitation	106.0 mm (4.2 in)	50 of 100 (Notable)
Burney	United States	Record daily snowfall	31.0 cm (12.2 in)	50 of 100 (Notable)
Penong	Australia	Record daily precipitation	39.4 mm (1.6 in)	49 of 100 (Notable)
Ceduna (Uworra)	Australia	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Allerton	United States	Record high maximum temperature	20.0 C (68.0 F)	49 of 100 (Notable)
Presa Rodriguez	Mexico	Record daily precipitation	55.9 mm (2.2 in)	48 of 100 (Notable)
Douglas River	Australia	Record daily precipitation	136.0 mm (5.4 in)	47 of 100 (Notable)
Rarawai	Fiji	Record daily precipitation	150.0 mm (5.9 in)	47 of 100 (Notable)
Shirakawa	Japan	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
St. Brandon (St. Ra	Mauritius	Record daily precipitation	115.1 mm (4.5 in)	47 of 100 (Notable)
Rison	United States	Record high minimum temperature	15.6 C (60.1 F)	47 of 100 (Notable)
Imlay	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Eucla	Australia	Record daily precipitation	32.2 mm (1.3 in)	46 of 100 (Notable)
Avenue (Downer)	Australia	Record daily precipitation	43.0 mm (1.7 in)	46 of 100 (Notable)
El Alamar	Mexico	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Hardy	United States	Record high minimum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record high minimum temperature	12.2 C (54.0 F)	46 of 100 (Notable)
Neds Creek	Australia	Record daily precipitation	117.6 mm (4.6 in)	45 of 100 (Notable)
Penang	Fiji	Record daily precipitation	140.0 mm (5.5 in)	45 of 100 (Notable)
Howell Wwtp	United States	Record high maximum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Cassville 1 NE	United States	Record high minimum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Cape May 2 NW	United States	Record high maximum temperature	21.1 C (70.0 F)	45 of 100 (Notable)
Garnett 1 E	United States	Record high maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Yates Ctr	United States	Record high maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Eldorado Springs	United States	Record high minimum temperature	8.9 C (48.0 F)	44 of 100 (Notable)
Wonganoo	Australia	Record daily precipitation	49.8 mm (2.0 in)	43 of 100 (Notable)
Arkadelphia 2 N	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Fayetteville Exp STN	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Calaveras Big Trees	United States	Record daily snowfall	62.2 cm (24.5 in)	43 of 100 (Notable)
Los Gatos	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Solomons	United States	Record high minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Whitehall	United States	Record snow depth	43.2 cm (17.0 in)	43 of 100 (Notable)
Huntingdon	United States	Record high maximum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Jacksonville 2E	United States	Record high maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Streator 2SE	United States	Record high minimum temperature	3.3 C (37.9 F)	42 of 100 (Notable)
Centerville	United States	Record high maximum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Iowa Falls	United States	Record high maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Postville	United States	Record high maximum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Alma	United States	Record high maximum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Bethany	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Everett	United States	Record high maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Pine Bluff	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Keosauqua	United States	Record high maximum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Bolivar 1 NE	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Eldorado Springs	United States	Record high maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,600 records

Records set or tied on 18 February 2011 by type: Highest daily maximum 608, Lowest daily maximum 191, Highest daily minimum 378, Lowest daily minimum 128, Heaviest daily rainfall 214, Heaviest daily snowfall 44, Deepest snow cover 37.

Records on 18 February 2011 by type
Record type	Records
Highest daily maximum	608
Lowest daily maximum	191
Highest daily minimum	378
Lowest daily minimum	128
Heaviest daily rainfall	214
Heaviest daily snowfall	44
Deepest snow cover	37

Records on 18 February 2011 by timescale: all-time 2, monthly 44, daily 1,554.

How Much Records Were Beaten By

1,255 broken records

Margins by which the 1,255 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 February 2011

Top 20 records on 18 February 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 February 2011	Nullarbor, AU	monthly rain	79.8 mm (3.1 in)	43.2 mm (1.7 in)	80 years	84 of 100 (Exceptional)
18 February 2011	Cooma (Kiaora), AU	daily rain	66.2 mm (2.6 in)	50.5 mm (2.0 in)	92 years	77 of 100 (Major)
18 February 2011	Cook, AU	daily rain	51.4 mm (2.0 in)	43.8 mm (1.7 in)	87 years	75 of 100 (Major)
18 February 2011	Murray Lagoon (Hawks Nest), AU	daily rain	72.0 mm (2.8 in)	58.8 mm (2.3 in)	87 years	75 of 100 (Major)
18 February 2011	Koppio, AU	daily rain	50.8 mm (2.0 in)	45.7 mm (1.8 in)	75 years	72 of 100 (Major)
18 February 2011	Penong (Penalumba), AU	daily rain	45.0 mm (1.8 in)	36.9 mm (1.5 in)	64 years	67 of 100 (Major)
18 February 2011	Lorna Glen, AU	daily rain	68.2 mm (2.7 in)	55.0 mm (2.2 in)	51 years	60 of 100 (Major)
18 February 2011	Tipperary, AU	monthly rain	222.8 mm (8.8 in)	45.0 mm (1.8 in)	69 years	55 of 100 (Notable)
18 February 2011	Ardrossan (Vitana), AU	daily rain	50.0 mm (2.0 in)	48.7 mm (1.9 in)	39 years	55 of 100 (Notable)
18 February 2011	Isseka, AU	daily rain	35.6 mm (1.4 in)	27.7 mm (1.1 in)	59 years	53 of 100 (Notable)
18 February 2011	La Rumorosa, MX	monthly rain	59.9 mm (2.4 in)	10.1 mm (0.4 in)	74 years	53 of 100 (Notable)
18 February 2011	King City, US	daily rain	63.5 mm (2.5 in)	36.3 mm (1.4 in)	7 years	52 of 100 (Notable)
18 February 2011	Wongawol, AU	daily rain	87.4 mm (3.4 in)	83.4 mm (3.3 in)	27 years	51 of 100 (Notable)
18 February 2011	Nundroo, AU	daily rain	49.6 mm (2.0 in)	24.5 mm (1.0 in)	64 years	51 of 100 (Notable)
18 February 2011	Cooma Visitors Centre, AU	daily rain	62.4 mm (2.5 in)	56.4 mm (2.2 in)	27 years	51 of 100 (Notable)
18 February 2011	Millrose, AU	daily rain	106.0 mm (4.2 in)	91.4 mm (3.6 in)	7 years	50 of 100 (Notable)
18 February 2011	Burney, US	daily snowfall	31.0 cm (12.2 in)	18.3 cm (7.2 in)	60 years	50 of 100 (Notable)
18 February 2011	Penong, AU	daily rain	39.4 mm (1.6 in)	24.2 mm (1.0 in)	64 years	49 of 100 (Notable)
18 February 2011	Ceduna (Uworra), AU	daily rain	30.0 mm (1.2 in)	27.4 mm (1.1 in)	35 years	49 of 100 (Notable)
18 February 2011	Allerton, US	monthly high max	20.0 C (68.0 F)	0.6 C (1.1 F)	97 years	49 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

1794 to 2011

Records set or tied on this calendar date in each year from 1794 to 2011. 2011 had 1,600 records.

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

Records on 02-18 in each year
Year	Records
1794	1
1809	1
1813	2
1827	2
1838	1
1846	1
1847	1
1850	1
1851	1
1855	1
1856	1
1857	1
1862	1
1863	1
1866	1
1867	1
1869	1
1873	1
1875	1
1876	3
1877	1
1880	3
1883	1
1884	1
1885	3
1886	1
1887	4
1888	2
1889	3
1890	2
1891	2
1892	6
1893	5
1895	6
1896	7
1897	1
1898	3
1899	2
1900	10
1901	5
1902	3
1903	31
1904	8
1905	11
1906	10
1907	10
1908	10
1909	12
1910	21
1911	42
1912	28
1913	29
1914	15
1915	20
1916	24
1917	44
1918	112
1919	500
1920	39
1921	86
1922	58
1923	97
1924	174
1925	66
1926	231
1927	310
1928	462
1929	483
1930	628
1931	371
1932	200
1933	134
1934	217
1935	137
1936	1,487
1937	284
1938	775
1939	308
1940	407
1941	164
1942	579
1943	436
1944	465
1945	205
1946	793
1947	248
1948	783
1949	543
1950	721
1951	642
1952	510
1953	148
1954	596
1955	795
1956	1,016
1957	322
1958	1,549
1959	695
1960	366
1961	1,418
1962	605
1963	359
1964	249
1965	306
1966	711
1967	537
1968	478
1969	456
1970	454
1971	822
1972	445
1973	690
1974	467
1975	682
1976	1,075
1977	799
1978	1,766
1979	2,300
1980	1,018
1981	2,438
1982	574
1983	620
1984	912
1985	690
1986	1,679
1987	528
1988	585
1989	1,034
1990	1,324
1991	937
1992	488
1993	1,960
1994	889
1995	939
1996	1,031
1997	1,039
1998	1,892
1999	644
2000	1,249
2001	470
2002	832
2003	1,128
2004	968
2005	595
2006	1,872
2007	835
2008	989
2009	664
2010	1,634
2011	1,600
2012	628
2013	388
2014	846
2015	831
2016	794
2017	1,033
2018	611
2019	1,411
2020	1,050
2021	1,711
2022	1,144
2023	984
2024	860
2025	1,063
2026	1,127

Download the Data

Data for records on 2011-02-18: 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	1,202
50 to 100	35
100 to 150	9
150 to 200	4
200 to 250	3
250 to 300	2