Weather Records on 18 February 1971

822 weather records were set or tied worldwide on 18 February 1971. Highest significance: Walden, US.

Key Facts for 18 February 1971

On 18 February 1971, 822 weather records were set or tied at long-record stations worldwide.
473 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 33 monthly and 787 daily.
Walden set a daily record snowfall of 11.4 cm (4.5 in) on 18 February 1971.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 499 records.

Record Map

822 stations

822 station records on 18 February 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 February 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walden	United States	Record daily snowfall	11.4 cm (4.5 in)	61 of 100 (Major)
Central City	United States	Record daily precipitation	43.2 mm (1.7 in)	60 of 100 (Major)
Sioux City AP	United States	Record daily precipitation	54.6 mm (2.1 in)	58 of 100 (Notable)
Jeogla (Jeolga Old.Sf.Site)	Australia	Record daily precipitation	172.7 mm (6.8 in)	54 of 100 (Notable)
Nowendoc (Beaufort)	Australia	Record daily precipitation	71.1 mm (2.8 in)	54 of 100 (Notable)
Columbus 3 NE	United States	Record daily precipitation	40.4 mm (1.6 in)	54 of 100 (Notable)
Greeley	United States	Record daily precipitation	25.7 mm (1.0 in)	54 of 100 (Notable)
Little Falls City Rsch	United States	Record snow depth	154.9 cm (61.0 in)	53 of 100 (Notable)
Grand Is Cntrl NE Rgnl AP	United States	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Traveston	Australia	Record daily precipitation	186.7 mm (7.4 in)	52 of 100 (Notable)
Halsey 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	50 of 100 (Notable)
Marulan (George St)	Australia	Record daily precipitation	64.8 mm (2.6 in)	48 of 100 (Notable)
Miller	United States	Record daily precipitation	26.4 mm (1.0 in)	48 of 100 (Notable)
Buderim Post Office	Australia	Record daily precipitation	208.3 mm (8.2 in)	47 of 100 (Notable)
Nukinenda	Australia	Record daily precipitation	158.8 mm (6.3 in)	45 of 100 (Notable)
Genoa 2 W	United States	Record daily precipitation	43.9 mm (1.7 in)	43 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Evelyn Sharp Fld	United States	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Humboldt 3 W	United States	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Brady	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Wallangarra Post Office	Australia	Record daily precipitation	62.7 mm (2.5 in)	38 of 100 (Notable)
Ebor (Glenowen)	Australia	Record daily precipitation	62.7 mm (2.5 in)	38 of 100 (Notable)
Stewarts Brook Composite	Australia	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Beloit	United States	Record high minimum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Columbus	United States	Record high minimum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Canton 4 SE	United States	Record snow depth	104.1 cm (41.0 in)	38 of 100 (Notable)
Ebor (Kotupna)	Australia	Record daily precipitation	148.6 mm (5.9 in)	37 of 100 (Notable)
Espoey	France	Record daily precipitation	45.4 mm (1.8 in)	37 of 100 (Notable)
Madison	United States	Record daily precipitation	30.7 mm (1.2 in)	37 of 100 (Notable)
Anthony	United States	Record high minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Tibooburra (Onepah)	Australia	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Fredonia	United States	Record high minimum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Walthill 1E	United States	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Neosho	United States	Record high minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Lyons	United States	Record daily precipitation	46.2 mm (1.8 in)	34 of 100 (Routine)
Alva 1W	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Lawton	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Cottonwood Falls	United States	Record high minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Minneapolis	United States	Record high minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Pratt 3NW	United States	Record high minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Montello 2NE	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Paris	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Maroochydore Swan Bowls Club	Australia	Record daily precipitation	152.1 mm (6.0 in)	32 of 100 (Routine)
Katoomba (Murri St)	Australia	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Russellville	United States	Record high minimum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Jefferson	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Independence	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Lawrence	United States	Record high minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Smith Ctr	United States	Record high minimum temperature	6.7 C (44.1 F)	32 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
El Morro Natl Mon	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Newkirk 5NE	United States	Record high minimum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Menard	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Telegraph Point (Farrawells Ro	Australia	Record daily precipitation	194.1 mm (7.6 in)	31 of 100 (Routine)
Julesburg	United States	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Manassa	United States	Record high minimum temperature	-2.8 C (27.0 F)	31 of 100 (Routine)
Newton	United States	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Clinton	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Clarkson	United States	Record daily precipitation	45.2 mm (1.8 in)	31 of 100 (Routine)
Franklin	United States	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

822 records

Records set or tied on 18 February 1971 by type: Highest daily maximum 62, Lowest daily maximum 14, Highest daily minimum 411, Lowest daily minimum 12, Heaviest daily rainfall 269, Heaviest daily snowfall 30, Deepest snow cover 24.

Records on 18 February 1971 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	14
Highest daily minimum	411
Lowest daily minimum	12
Heaviest daily rainfall	269
Heaviest daily snowfall	30
Deepest snow cover	24

Records on 18 February 1971 by timescale: all-time 2, monthly 33, daily 787.

How Much Records Were Beaten By

679 broken records

Margins by which the 679 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 660.0. Ties are not counted.

Top 20 by Significance

18 February 1971

Top 20 records on 18 February 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 February 1971	Walden, US	daily snowfall	11.4 cm (4.5 in)	8.9 cm (3.5 in)	72 years	61 of 100 (Major)
18 February 1971	Central City, US	monthly rain	43.2 mm (1.7 in)	21.1 mm (0.8 in)	5 years	60 of 100 (Major)
18 February 1971	Sioux City AP, US	monthly rain	54.6 mm (2.1 in)	27.9 mm (1.1 in)	19 years	58 of 100 (Notable)
18 February 1971	Jeogla (Jeolga Old.Sf.Site), AU	monthly rain	172.7 mm (6.8 in)	61.7 mm (2.4 in)	12 years	54 of 100 (Notable)
18 February 1971	Nowendoc (Beaufort), AU	daily rain	71.1 mm (2.8 in)	36.8 mm (1.4 in)	80 years	54 of 100 (Notable)
18 February 1971	Columbus 3 NE, US	daily rain	40.4 mm (1.6 in)	37.9 mm (1.5 in)	25 years	54 of 100 (Notable)
18 February 1971	Greeley, US	daily rain	25.7 mm (1.0 in)	18.1 mm (0.7 in)	41 years	54 of 100 (Notable)
18 February 1971	Little Falls City Rsch, US	daily snow depth	154.9 cm (61.0 in)	66.0 cm (26.0 in)	60 years	53 of 100 (Notable)
18 February 1971	Grand Is Cntrl NE Rgnl AP, US	monthly rain	48.5 mm (1.9 in)	27.2 mm (1.1 in)	2 years	53 of 100 (Notable)
18 February 1971	Traveston, AU	daily rain	186.7 mm (7.4 in)	138.4 mm (5.4 in)	27 years	52 of 100 (Notable)
18 February 1971	Halsey 2 W, US	monthly rain	35.6 mm (1.4 in)	11.5 mm (0.5 in)	17 years	50 of 100 (Notable)
18 February 1971	Marulan (George St), AU	daily rain	64.8 mm (2.6 in)	30.0 mm (1.2 in)	68 years	48 of 100 (Notable)
18 February 1971	Miller, US	daily rain	26.4 mm (1.0 in)	21.3 mm (0.8 in)	9 years	48 of 100 (Notable)
18 February 1971	Buderim Post Office, AU	daily rain	208.3 mm (8.2 in)	97.8 mm (3.9 in)	43 years	47 of 100 (Notable)
18 February 1971	Nukinenda, AU	all-time rain	158.8 mm (6.3 in)	30.3 mm (1.2 in)	2 years	45 of 100 (Notable)
18 February 1971	Genoa 2 W, US	monthly rain	43.9 mm (1.7 in)	13.9 mm (0.5 in)	5 years	43 of 100 (Notable)
18 February 1971	Spencer 6 SSE, US	monthly rain	33.3 mm (1.3 in)	10.9 mm (0.4 in)	12 years	43 of 100 (Notable)
18 February 1971	Evelyn Sharp Fld, US	monthly rain	34.3 mm (1.4 in)	5.9 mm (0.23 in)	43 years	40 of 100 (Notable)
18 February 1971	Humboldt 3 W, US	monthly rain	35.6 mm (1.4 in)	4.1 mm (0.16 in)	56 years	39 of 100 (Notable)
18 February 1971	Brady, US	monthly high min	16.1 C (61.0 F)	0.5 C (0.9 F)	73 years	39 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 1971

Records set or tied on this calendar date in each year from 1794 to 1971. 1971 had 822 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 1971-02-18: 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 100	668
100 to 200	5
200 to 300	3
300 to 400	1
400 to 500	1
500 to 600	0
600 to 700	1