Weather Records on 10 February 1966

1,235 weather records were set or tied worldwide on 10 February 1966. Highest significance: Helena, US.

Key Facts for 10 February 1966

On 10 February 1966, 1,235 weather records were set or tied at long-record stations worldwide.
587 were record highs and 109 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 83 monthly and 1,146 daily.
Helena set a monthly record daily precipitation of 141.0 mm (5.6 in) on 10 February 1966.
Across 158 earlier years (1798 to 2026) the same calendar date averaged 507 records.

Record Map

1,235 stations

1,235 station records on 10 February 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 February 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Helena	United States	Record daily precipitation	141.0 mm (5.6 in)	69 of 100 (Major)
Leesville	United States	Record daily precipitation	279.4 mm (11.0 in)	68 of 100 (Major)
Ruston la Tech	United States	Record daily precipitation	218.7 mm (8.6 in)	63 of 100 (Major)
Winnsboro 5 SSE	United States	Record daily precipitation	189.7 mm (7.5 in)	63 of 100 (Major)
Tallulah	United States	Record daily precipitation	212.6 mm (8.4 in)	62 of 100 (Major)
Holly Bluff	United States	Record daily precipitation	180.1 mm (7.1 in)	60 of 100 (Major)
Cleveland	United States	Record daily precipitation	154.7 mm (6.1 in)	57 of 100 (Notable)
Kartaly	Russia	Record daily precipitation	29.1 mm (1.1 in)	56 of 100 (Notable)
Clarksdale	United States	Record daily precipitation	146.6 mm (5.8 in)	56 of 100 (Notable)
Crossett 2 SSE	United States	Record daily precipitation	71.9 mm (2.8 in)	54 of 100 (Notable)
Jackson Exp STN	United States	Record daily precipitation	77.5 mm (3.1 in)	54 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	135.9 mm (5.4 in)	53 of 100 (Notable)
Lake Providence	United States	Record daily precipitation	121.2 mm (4.8 in)	53 of 100 (Notable)
Rosedale	United States	Record daily precipitation	137.7 mm (5.4 in)	53 of 100 (Notable)
Brownsville	United States	Record daily precipitation	96.5 mm (3.8 in)	53 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	151.4 mm (6.0 in)	52 of 100 (Notable)
Arcadia	United States	Record daily precipitation	55.4 mm (2.2 in)	52 of 100 (Notable)
Greenville	United States	Record daily precipitation	164.6 mm (6.5 in)	51 of 100 (Notable)
Waterloo 6SW	United States	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Greenwood	United States	Record daily precipitation	102.1 mm (4.0 in)	49 of 100 (Notable)
Brinkley	United States	Record daily precipitation	119.9 mm (4.7 in)	48 of 100 (Notable)
Dumas	United States	Record daily precipitation	116.8 mm (4.6 in)	48 of 100 (Notable)
Ozark	United States	Record daily precipitation	129.8 mm (5.1 in)	48 of 100 (Notable)
Salem	United States	Record daily precipitation	69.6 mm (2.7 in)	48 of 100 (Notable)
Sullivan	United States	Record daily precipitation	75.2 mm (3.0 in)	48 of 100 (Notable)
Vik I Sogn III	Norway	Record snow depth	50.0 cm (19.7 in)	47 of 100 (Notable)
Scott	United States	Record daily precipitation	152.4 mm (6.0 in)	47 of 100 (Notable)
Water Valley	United States	Record daily precipitation	108.2 mm (4.3 in)	47 of 100 (Notable)
Sugar Land	United States	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Cananeia G4-001	Brazil	Record daily precipitation	417.3 mm (16.4 in)	46 of 100 (Notable)
Saint Charles	United States	Record daily precipitation	116.8 mm (4.6 in)	46 of 100 (Notable)
Calhoun 2 N	United States	Record daily precipitation	163.1 mm (6.4 in)	46 of 100 (Notable)
Jonesville 4 N	United States	Record daily precipitation	151.1 mm (5.9 in)	46 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	132.3 mm (5.2 in)	46 of 100 (Notable)
Houston	United States	Record daily precipitation	55.4 mm (2.2 in)	46 of 100 (Notable)
Bolivar Wtr Wks	United States	Record daily precipitation	70.6 mm (2.8 in)	46 of 100 (Notable)
Monticello Muni AP	United States	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Boqueirao Pedras Brancas	Brazil	Record daily precipitation	72.5 mm (2.9 in)	45 of 100 (Notable)
Batesville L&D 1	United States	Record daily precipitation	57.9 mm (2.3 in)	45 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	74.7 mm (2.9 in)	45 of 100 (Notable)
Conceicao	Brazil	Record daily precipitation	109.2 mm (4.3 in)	44 of 100 (Notable)
Logansport	United States	Record daily precipitation	88.4 mm (3.5 in)	44 of 100 (Notable)
Hernando	United States	Record daily precipitation	121.9 mm (4.8 in)	44 of 100 (Notable)
Mtn Dell Dam	United States	Record daily snowfall	35.6 cm (14.0 in)	44 of 100 (Notable)
Moyale	Kenya	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Stuttgart	United States	Record daily precipitation	151.6 mm (6.0 in)	43 of 100 (Notable)
Vevay	United States	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
Urania	United States	Record daily precipitation	166.6 mm (6.6 in)	43 of 100 (Notable)
Hickory Flat	United States	Record daily precipitation	101.6 mm (4.0 in)	43 of 100 (Notable)
Conroe	United States	Record daily precipitation	60.2 mm (2.4 in)	43 of 100 (Notable)
Pedra Lavrada	Brazil	Record daily precipitation	90.2 mm (3.6 in)	42 of 100 (Notable)
Warren 2 ENE	United States	Record daily precipitation	127.3 mm (5.0 in)	42 of 100 (Notable)
Greenville 2 W	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Portland	United States	Record daily precipitation	88.9 mm (3.5 in)	41 of 100 (Notable)
Marengo	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Amite	United States	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)
Booneville	United States	Record daily precipitation	77.5 mm (3.1 in)	41 of 100 (Notable)
Mtn Grove 2 N	United States	Record daily precipitation	51.8 mm (2.0 in)	41 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	73.2 mm (2.9 in)	41 of 100 (Notable)
Havana	United States	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,235 records

Records set or tied on 10 February 1966 by type: Highest daily maximum 243, Lowest daily maximum 83, Highest daily minimum 344, Lowest daily minimum 26, Heaviest daily rainfall 479, Heaviest daily snowfall 34, Deepest snow cover 26.

Records on 10 February 1966 by type
Record type	Records
Highest daily maximum	243
Lowest daily maximum	83
Highest daily minimum	344
Lowest daily minimum	26
Heaviest daily rainfall	479
Heaviest daily snowfall	34
Deepest snow cover	26

Records on 10 February 1966 by timescale: all-time 6, monthly 83, daily 1,146.

How Much Records Were Beaten By

1,083 broken records

Margins by which the 1,083 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

10 February 1966

Top 20 records on 10 February 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 February 1966	Helena, US	monthly rain	141.0 mm (5.6 in)	44.5 mm (1.8 in)	70 years	69 of 100 (Major)
10 February 1966	Leesville, US	all-time rain	279.4 mm (11.0 in)	64.8 mm (2.6 in)	12 years	68 of 100 (Major)
10 February 1966	Ruston la Tech, US	monthly rain	218.7 mm (8.6 in)	117.1 mm (4.6 in)	20 years	63 of 100 (Major)
10 February 1966	Winnsboro 5 SSE, US	monthly rain	189.7 mm (7.5 in)	83.0 mm (3.3 in)	20 years	63 of 100 (Major)
10 February 1966	Tallulah, US	monthly rain	212.6 mm (8.4 in)	76.7 mm (3.0 in)	20 years	62 of 100 (Major)
10 February 1966	Holly Bluff, US	monthly rain	180.1 mm (7.1 in)	69.6 mm (2.7 in)	20 years	60 of 100 (Major)
10 February 1966	Cleveland, US	monthly rain	154.7 mm (6.1 in)	71.6 mm (2.8 in)	4 years	57 of 100 (Notable)
10 February 1966	Kartaly, RU	monthly rain	29.1 mm (1.1 in)	11.2 mm (0.4 in)	10 years	56 of 100 (Notable)
10 February 1966	Clarksdale, US	monthly rain	146.6 mm (5.8 in)	55.4 mm (2.2 in)	9 years	56 of 100 (Notable)
10 February 1966	Crossett 2 SSE, US	daily rain	71.9 mm (2.8 in)	60.5 mm (2.4 in)	32 years	54 of 100 (Notable)
10 February 1966	Jackson Exp STN, US	daily rain	77.5 mm (3.1 in)	43.7 mm (1.7 in)	44 years	54 of 100 (Notable)
10 February 1966	Arkansas City, US	monthly rain	135.9 mm (5.4 in)	28.2 mm (1.1 in)	57 years	53 of 100 (Notable)
10 February 1966	Lake Providence, US	daily rain	121.2 mm (4.8 in)	75.5 mm (3.0 in)	20 years	53 of 100 (Notable)
10 February 1966	Rosedale, US	daily rain	137.7 mm (5.4 in)	111.0 mm (4.4 in)	20 years	53 of 100 (Notable)
10 February 1966	Brownsville, US	daily rain	96.5 mm (3.8 in)	61.2 mm (2.4 in)	20 years	53 of 100 (Notable)
10 February 1966	St Joseph 3 N, US	daily rain	151.4 mm (6.0 in)	123.5 mm (4.9 in)	16 years	52 of 100 (Notable)
10 February 1966	Arcadia, US	daily rain	55.4 mm (2.2 in)	39.7 mm (1.6 in)	27 years	52 of 100 (Notable)
10 February 1966	Greenville, US	monthly rain	164.6 mm (6.5 in)	50.3 mm (2.0 in)	15 years	51 of 100 (Notable)
10 February 1966	Waterloo 6SW, US	daily rain	47.0 mm (1.9 in)	28.2 mm (1.1 in)	27 years	49 of 100 (Notable)
10 February 1966	Greenwood, US	daily rain	102.1 mm (4.0 in)	64.8 mm (2.6 in)	20 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

1798 to 1966

Records set or tied on this calendar date in each year from 1798 to 1966. 1966 had 1,235 records.

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

Records on 02-10 in each year
Year	Records
1798	1
1803	2
1829	1
1845	1
1853	1
1856	2
1857	1
1858	1
1862	3
1864	1
1865	1
1869	3
1870	2
1872	1
1873	1
1874	1
1875	4
1876	1
1878	1
1879	3
1881	2
1883	2
1885	1
1887	3
1888	2
1889	1
1890	1
1891	2
1892	1
1893	6
1895	3
1897	1
1898	4
1899	22
1902	3
1903	11
1904	14
1905	7
1906	11
1907	6
1908	9
1909	16
1910	14
1911	105
1912	43
1913	27
1914	52
1915	20
1916	77
1917	28
1918	44
1919	69
1920	62
1921	40
1922	62
1923	107
1924	87
1925	348
1926	142
1927	61
1928	151
1929	456
1930	77
1931	95
1932	1,196
1933	583
1934	369
1935	420
1936	366
1937	401
1938	543
1939	931
1940	560
1941	221
1942	412
1943	286
1944	580
1945	144
1946	398
1947	584
1948	490
1949	396
1950	244
1951	986
1952	538
1953	558
1954	619
1955	836
1956	626
1957	668
1958	527
1959	1,173
1960	683
1961	764
1962	741
1963	625
1964	410
1965	887
1966	1,235
1967	342
1968	345
1969	1,176
1970	698
1971	1,094
1972	240
1973	755
1974	356
1975	585
1976	1,440
1977	639
1978	1,159
1979	1,807
1980	1,054
1981	1,572
1982	1,214
1983	500
1984	435
1985	912
1986	1,140
1987	762
1988	819
1989	729
1990	1,666
1991	584
1992	646
1993	857
1994	1,402
1995	757
1996	1,397
1997	778
1998	1,411
1999	1,912
2000	961
2001	1,102
2002	1,256
2003	859
2004	757
2005	1,058
2006	477
2007	854
2008	915
2009	1,543
2010	1,358
2011	2,103
2012	963
2013	602
2014	824
2015	937
2016	942
2017	1,568
2018	560
2019	973
2020	1,235
2021	837
2022	772
2023	705
2024	1,197
2025	803
2026	636

Download the Data

Data for records on 1966-02-10: 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	1,041
50 to 100	27
100 to 150	9
150 to 200	5
200 to 250	1