Weather Records on 27 February 1970

349 weather records were set or tied worldwide on 27 February 1970. Highest significance: Gibson Dam, US.

Key Facts for 27 February 1970

On 27 February 1970, 349 weather records were set or tied at long-record stations worldwide.
46 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 338 daily.
Gibson Dam set a monthly record daily snowfall of 50.8 cm (20.0 in) on 27 February 1970.
Across 162 earlier years (1794 to 2026) the same calendar date averaged 507 records.

Record Map

349 stations

349 station records on 27 February 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 February 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gibson Dam	United States	Record daily snowfall	50.8 cm (20.0 in)	57 of 100 (Notable)
Buhta Providenja	Russia	Record daily precipitation	61.6 mm (2.4 in)	48 of 100 (Notable)
Arizona	Brazil	Record daily precipitation	44.1 mm (1.7 in)	44 of 100 (Notable)
Martinsdale 3 NNW	United States	Record daily snowfall	30.5 cm (12.0 in)	42 of 100 (Notable)
Araripina (Sao Goncalo)	Brazil	Record daily precipitation	121.2 mm (4.8 in)	40 of 100 (Notable)
Browning	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Pedro Alexandre (Voturuna)	Brazil	Record daily precipitation	55.2 mm (2.2 in)	39 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-14.4 C (6.1 F)	39 of 100 (Notable)
Blackleaf	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Helena AP ASOS	United States	Record daily snowfall	16.3 cm (6.4 in)	37 of 100 (Notable)
Keams Canyon	United States	Record high minimum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Chatswood Water Supply	Australia	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Cardston	Canada	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Pekisko	Canada	Record daily snowfall	14.0 cm (5.5 in)	34 of 100 (Routine)
Summit	United States	Record daily snowfall	35.6 cm (14.0 in)	34 of 100 (Routine)
Fairfield	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Ovando	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Rapelje	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	28.5 mm (1.1 in)	33 of 100 (Routine)
Areia (Ufpb)	Brazil	Record daily precipitation	37.2 mm (1.5 in)	32 of 100 (Routine)
Busby	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Gibson Dam	United States	Record snow depth	50.8 cm (20.0 in)	30 of 100 (Routine)
Kemmerer 2N	United States	Record high maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Dinmore Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Gold Creek Reservoir	Australia	Record daily precipitation	89.4 mm (3.5 in)	28 of 100 (Routine)
Bananeiras	Brazil	Record daily precipitation	72.0 mm (2.8 in)	28 of 100 (Routine)
Potsdam	Germany	Record snow depth	45.0 cm (17.7 in)	28 of 100 (Routine)
Laketown	United States	Record high maximum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Newport News Press Bld	United States	Record low minimum temperature	-8.9 C (16.0 F)	28 of 100 (Routine)
Krambach Post Office	Australia	Record daily precipitation	63.0 mm (2.5 in)	27 of 100 (Routine)
Augusta	United States	Record daily snowfall	12.7 cm (5.0 in)	27 of 100 (Routine)
Canton 4 SE	United States	Record low minimum temperature	-25.6 C (-14.1 F)	27 of 100 (Routine)
Pio IX (Patrocinio)	Brazil	Record daily precipitation	55.6 mm (2.2 in)	26 of 100 (Routine)
Gander Int'l A	Canada	Record daily snowfall	24.6 cm (9.7 in)	26 of 100 (Routine)
Hesperia 4 WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Big Timber	United States	Record daily snowfall	12.7 cm (5.0 in)	26 of 100 (Routine)
Iguala (Smn)	Mexico	Record high minimum temperature	21.7 C (71.1 F)	25 of 100 (Routine)
Orofino	United States	Record high maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Goldsboro 4 SE	United States	Record low maximum temperature	2.8 C (37.0 F)	25 of 100 (Routine)
Conceicao	Brazil	Record daily precipitation	68.1 mm (2.7 in)	24 of 100 (Routine)
Buenos Aires Observ	Argentina	Record high minimum temperature	27.1 C (80.8 F)	23 of 100 (Routine)
King Junction	Australia	Record daily precipitation	32.3 mm (1.3 in)	23 of 100 (Routine)
Missao Velha	Brazil	Record daily precipitation	67.8 mm (2.7 in)	23 of 100 (Routine)
Exu (Novo Exu)	Brazil	Record daily precipitation	78.4 mm (3.1 in)	23 of 100 (Routine)
Barrage Temiscamingue	Canada	Record low minimum temperature	-28.3 C (-18.9 F)	23 of 100 (Routine)
Conrad	United States	Record daily snowfall	8.9 cm (3.5 in)	23 of 100 (Routine)
Mercedes	Uruguay	Record high minimum temperature	25.4 C (77.7 F)	23 of 100 (Routine)
Jonkoping	Sweden	Record low maximum temperature	-8.1 C (17.4 F)	22 of 100 (Routine)
Aurukun Shire Council	Australia	Record daily precipitation	103.6 mm (4.1 in)	21 of 100 (Routine)
Sao Raimundo Nonato	Brazil	Record daily precipitation	39.0 mm (1.5 in)	21 of 100 (Routine)
Armagh	Canada	Record low minimum temperature	-26.7 C (-16.1 F)	21 of 100 (Routine)
Champoton (Smn)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Timovskoe	Russia	Record low minimum temperature	-39.1 C (-38.4 F)	21 of 100 (Routine)
Cascade 5 S	United States	Record daily snowfall	11.4 cm (4.5 in)	21 of 100 (Routine)
Anadyr	Russia	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Sathawas	India	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Parbatsar	India	Record daily precipitation	11.6 mm (0.5 in)	20 of 100 (Routine)
Augusta	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Babb 6 NE	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Helena AP ASOS	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

349 records

Records set or tied on 27 February 1970 by type: Highest daily maximum 29, Lowest daily maximum 36, Highest daily minimum 17, Lowest daily minimum 48, Heaviest daily rainfall 159, Heaviest daily snowfall 48, Deepest snow cover 12.

Records on 27 February 1970 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	36
Highest daily minimum	17
Lowest daily minimum	48
Heaviest daily rainfall	159
Heaviest daily snowfall	48
Deepest snow cover	12

Records on 27 February 1970 by timescale: all-time 0, monthly 11, daily 338.

How Much Records Were Beaten By

274 broken records

Margins by which the 274 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 350.0. Ties are not counted.

Top 20 by Significance

27 February 1970

Top 20 records on 27 February 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 February 1970	Gibson Dam, US	monthly snowfall	50.8 cm (20.0 in)	20.3 cm (8.0 in)	5 years	57 of 100 (Notable)
27 February 1970	Buhta Providenja, RU	monthly rain	61.6 mm (2.4 in)	18.5 mm (0.7 in)	14 years	48 of 100 (Notable)
27 February 1970	Arizona, BR	daily rain	44.1 mm (1.7 in)	44.1 mm (1.7 in)	35 years	44 of 100 (Notable)
27 February 1970	Martinsdale 3 NNW, US	daily snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	19 years	42 of 100 (Notable)
27 February 1970	Araripina (Sao Goncalo), BR	monthly rain	121.2 mm (4.8 in)	30.6 mm (1.2 in)	35 years	40 of 100 (Notable)
27 February 1970	Browning, US	daily snowfall	12.7 cm (5.0 in)	6.3 cm (2.5 in)	67 years	40 of 100 (Notable)
27 February 1970	Pedro Alexandre (Voturuna), BR	daily rain	55.2 mm (2.2 in)	32.7 mm (1.3 in)	30 years	39 of 100 (Notable)
27 February 1970	Col du Grand St-Bernard, CH	daily low max	-14.4 C (6.1 F)	1.1 C (2.0 F)	90 years	39 of 100 (Notable)
27 February 1970	Blackleaf, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	50 years	37 of 100 (Notable)
27 February 1970	Helena AP ASOS, US	daily snowfall	16.3 cm (6.4 in)	10.5 cm (4.1 in)	12 years	37 of 100 (Notable)
27 February 1970	Keams Canyon, US	daily high min	7.8 C (46.0 F)	6.7 C (12.1 F)	54 years	36 of 100 (Notable)
27 February 1970	Chatswood Water Supply, AU	daily rain	42.2 mm (1.7 in)	20.6 mm (0.8 in)	58 years	35 of 100 (Notable)
27 February 1970	Cardston, CA	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	24 years	35 of 100 (Notable)
27 February 1970	Pekisko, CA	daily snowfall	14.0 cm (5.5 in)	6.4 cm (2.5 in)	58 years	34 of 100 (Routine)
27 February 1970	Summit, US	daily snowfall	35.6 cm (14.0 in)	20.4 cm (8.0 in)	4 years	34 of 100 (Routine)
27 February 1970	Fairfield, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	40 years	33 of 100 (Routine)
27 February 1970	Ovando, US	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	51 years	33 of 100 (Routine)
27 February 1970	Rapelje, US	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	54 years	33 of 100 (Routine)
27 February 1970	Tashkent, UZ	daily rain	28.5 mm (1.1 in)	5.2 mm (0.20 in)	50 years	33 of 100 (Routine)
27 February 1970	Areia (Ufpb), BR	daily rain	37.2 mm (1.5 in)	11.9 mm (0.5 in)	56 years	32 of 100 (Routine)

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 349 records.

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

Records on 02-27 in each year
Year	Records
1794	2
1796	1
1806	1
1808	1
1827	1
1836	1
1842	1
1846	2
1848	1
1849	1
1855	1
1858	2
1859	1
1860	1
1867	1
1873	2
1875	2
1877	1
1878	1
1879	1
1880	1
1882	2
1886	3
1887	1
1888	4
1889	4
1890	2
1891	2
1892	2
1893	5
1894	1
1895	1
1896	4
1897	5
1898	5
1899	5
1900	9
1901	3
1902	5
1903	12
1904	12
1905	8
1906	7
1907	10
1908	10
1909	20
1910	36
1911	20
1912	32
1913	23
1914	75
1915	13
1916	43
1917	24
1918	16
1919	77
1920	62
1921	85
1922	79
1923	76
1924	124
1925	157
1926	96
1927	62
1928	78
1929	282
1930	82
1931	234
1932	909
1933	240
1934	1,325
1935	349
1936	347
1937	543
1938	199
1939	995
1940	603
1941	293
1942	256
1943	217
1944	773
1945	753
1946	510
1947	437
1948	1,066
1949	504
1950	440
1951	605
1952	224
1953	271
1954	450
1955	974
1956	361
1957	497
1958	940
1959	245
1960	1,039
1961	356
1962	2,281
1963	958
1964	250
1965	389
1966	395
1967	444
1968	665
1969	483
1970	349
1971	1,177
1972	754
1973	444
1974	538
1975	320
1976	1,721
1977	783
1978	729
1979	716
1980	989
1981	1,066
1982	964
1983	762
1984	1,041
1985	465
1986	1,749
1987	1,400
1988	955
1989	1,246
1990	1,037
1991	558
1992	1,081
1993	1,496
1994	1,367
1995	1,209
1996	2,031
1997	1,925
1998	1,439
1999	633
2000	1,378
2001	888
2002	1,807
2003	997
2004	852
2005	614
2006	835
2007	975
2008	996
2009	1,222
2010	1,075
2011	1,135
2012	570
2013	1,082
2014	937
2015	1,621
2016	743
2017	593
2018	1,124
2019	1,513
2020	661
2021	386
2022	531
2023	893
2024	1,588
2025	623
2026	1,436

Download the Data

Data for records on 1970-02-27: 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	250
50 to 100	12
100 to 150	6
150 to 200	1
200 to 250	4
250 to 300	0
300 to 350	1