Weather Records on 17 March 1966

970 weather records were set or tied worldwide on 17 March 1966. Highest significance: Henichesk, UA.

Key Facts for 17 March 1966

On 17 March 1966, 970 weather records were set or tied at long-record stations worldwide.
654 were record highs and 130 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 12 monthly and 956 daily.
Henichesk set a daily record precipitation of 25.5 mm (1.0 in) on 17 March 1966.
Across 161 earlier years (1825 to 2026) the same calendar date averaged 472 records.

Record Map

970 stations

970 station records on 17 March 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 March 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Henichesk	Ukraine	Record daily precipitation	25.5 mm (1.0 in)	69 of 100 (Major)
Padampur	India	Record daily precipitation	28.0 mm (1.1 in)	54 of 100 (Notable)
Selbu-Stubbe	Norway	Record daily precipitation	33.0 mm (1.3 in)	51 of 100 (Notable)
Amvrosiivka	Ukraine	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Arthurville (Cramond)	Australia	Record daily precipitation	58.9 mm (2.3 in)	47 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	3.0 C (37.4 F)	45 of 100 (Notable)
Lost River	Canada	Record daily snowfall	21.3 cm (8.4 in)	44 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	66.8 mm (2.6 in)	40 of 100 (Notable)
Decorah	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Gaylord	United States	Record high maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Montevideo 1SW	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
El-Golea	Algeria	Record low minimum temperature	-0.3 C (31.5 F)	39 of 100 (Notable)
Virden	Canada	Record high minimum temperature	-1.1 C (30.0 F)	39 of 100 (Notable)
New London	United States	Record high minimum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Marquette	United States	Record high minimum temperature	3.3 C (37.9 F)	39 of 100 (Notable)
La Estanzuela (Eele)	Uruguay	Record daily precipitation	173.0 mm (6.8 in)	39 of 100 (Notable)
Beatrice	United States	Record high minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Mercedes	Uruguay	Record daily precipitation	146.0 mm (5.7 in)	38 of 100 (Notable)
Cambridge Galt Moe	Canada	Record high maximum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Badgam	India	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Hyannis	United States	Record low minimum temperature	-12.2 C (10.0 F)	37 of 100 (Notable)
Petoskey	United States	Record high maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Farmington 3NW	United States	Record high minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Willmar Wwtp	United States	Record high minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Spearfish	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Wisconsin Rapids	United States	Record high maximum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Belltrees Homestead	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Black Spur	Australia	Record daily precipitation	60.7 mm (2.4 in)	36 of 100 (Notable)
Bendemeer (Caroline St)	Australia	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Nanaimo Departure Bay	Canada	Record daily precipitation	36.1 mm (1.4 in)	35 of 100 (Notable)
Badarwah	India	Record daily precipitation	81.0 mm (3.2 in)	35 of 100 (Notable)
Huichapan	Mexico	Record low maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Sibley	United States	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Flandreau	United States	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Tatlayoko Lake	Canada	Record daily snowfall	13.5 cm (5.3 in)	34 of 100 (Routine)
Hughenden	Canada	Record daily snowfall	8.9 cm (3.5 in)	34 of 100 (Routine)
St Walburg	Canada	Record daily snowfall	20.3 cm (8.0 in)	34 of 100 (Routine)
Tomahawk Spirit Rsvr	United States	Record high maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Goovigen Post Office	Australia	Record daily precipitation	78.7 mm (3.1 in)	33 of 100 (Routine)
Sassafras Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Carroll	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Long Prairie	United States	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Milbank 4 NW	United States	Record high minimum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Harlan	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Lawrence	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Winfield 3NE	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Eagle Harbor	United States	Record high maximum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Milaca	United States	Record high minimum temperature	5.0 C (41.0 F)	32 of 100 (Routine)
Hawthorne AP	United States	Record low minimum temperature	-7.2 C (19.0 F)	32 of 100 (Routine)
Castlewood	United States	Record high minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Ashland Exp Farm	United States	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Prairie du Chien	United States	Record high minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Waukesha Wwtp	United States	Record high maximum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Barras	Brazil	Record daily precipitation	92.0 mm (3.6 in)	31 of 100 (Routine)
High Point	Canada	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Emerson	Canada	Record high minimum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Gulu	Uganda	Record daily precipitation	38.2 mm (1.5 in)	31 of 100 (Routine)
Cedarville	United States	Record low minimum temperature	-10.6 C (12.9 F)	31 of 100 (Routine)
Sac City	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

970 records

Records set or tied on 17 March 1966 by type: Highest daily maximum 254, Lowest daily maximum 46, Highest daily minimum 400, Lowest daily minimum 84, Heaviest daily rainfall 161, Heaviest daily snowfall 24, Deepest snow cover 1.

Records on 17 March 1966 by type
Record type	Records
Highest daily maximum	254
Lowest daily maximum	46
Highest daily minimum	400
Lowest daily minimum	84
Heaviest daily rainfall	161
Heaviest daily snowfall	24
Deepest snow cover	1

Records on 17 March 1966 by timescale: all-time 2, monthly 12, daily 956.

How Much Records Were Beaten By

793 broken records

Margins by which the 793 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 163.0. Ties are not counted.

Top 20 by Significance

17 March 1966

Top 20 records on 17 March 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 March 1966	Henichesk, UA	daily rain	25.5 mm (1.0 in)	16.7 mm (0.7 in)	71 years	69 of 100 (Major)
17 March 1966	Padampur, IN	daily rain	28.0 mm (1.1 in)	28.0 mm (1.1 in)	36 years	54 of 100 (Notable)
17 March 1966	Selbu-Stubbe, NO	daily rain	33.0 mm (1.3 in)	24.9 mm (1.0 in)	17 years	51 of 100 (Notable)
17 March 1966	Amvrosiivka, UA	daily rain	25.4 mm (1.0 in)	18.0 mm (0.7 in)	24 years	50 of 100 (Notable)
17 March 1966	Arthurville (Cramond), AU	daily rain	58.9 mm (2.3 in)	41.4 mm (1.6 in)	35 years	47 of 100 (Notable)
17 March 1966	Oran-Hopital Militaire, DZ	daily low min	3.0 C (37.4 F)	1.5 C (2.7 F)	100 years	45 of 100 (Notable)
17 March 1966	Lost River, CA	daily snowfall	21.3 cm (8.4 in)	13.7 cm (5.4 in)	39 years	44 of 100 (Notable)
17 March 1966	Coranderrk Badger Weir, AU	monthly rain	66.8 mm (2.6 in)	3.6 mm (0.14 in)	65 years	40 of 100 (Notable)
17 March 1966	Decorah, US	daily high min	11.7 C (53.1 F)	7.8 C (14.0 F)	71 years	40 of 100 (Notable)
17 March 1966	Gaylord, US	daily high max	18.9 C (66.0 F)	8.9 C (16.0 F)	60 years	40 of 100 (Notable)
17 March 1966	Montevideo 1SW, US	daily high min	11.7 C (53.1 F)	8.4 C (15.1 F)	71 years	40 of 100 (Notable)
17 March 1966	El-Golea, DZ	daily low min	-0.3 C (31.5 F)	4.3 C (7.7 F)	70 years	39 of 100 (Notable)
17 March 1966	Virden, CA	daily high min	-1.1 C (30.0 F)	10.0 C (18.0 F)	74 years	39 of 100 (Notable)
17 March 1966	New London, US	daily high min	9.4 C (48.9 F)	7.7 C (13.9 F)	71 years	39 of 100 (Notable)
17 March 1966	Marquette, US	daily high min	3.3 C (37.9 F)	2.7 C (4.9 F)	84 years	39 of 100 (Notable)
17 March 1966	La Estanzuela (Eele), UY	monthly rain	173.0 mm (6.8 in)	41.0 mm (1.6 in)	22 years	39 of 100 (Notable)
17 March 1966	Beatrice, US	daily high min	13.9 C (57.0 F)	6.1 C (11.0 F)	71 years	38 of 100 (Notable)
17 March 1966	Mercedes, UY	monthly rain	146.0 mm (5.7 in)	34.0 mm (1.3 in)	28 years	38 of 100 (Notable)
17 March 1966	Cambridge Galt Moe, CA	daily high max	15.0 C (59.0 F)	5.0 C (9.0 F)	67 years	37 of 100 (Notable)
17 March 1966	Badgam, IN	daily rain	47.0 mm (1.9 in)	19.1 mm (0.8 in)	49 years	37 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

1825 to 1966

Records set or tied on this calendar date in each year from 1825 to 1966. 1966 had 970 records.

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

Records on 03-17 in each year
Year	Records
1825	2
1839	1
1845	1
1850	2
1852	1
1853	1
1856	1
1857	1
1863	1
1866	2
1867	1
1869	1
1870	1
1872	1
1874	3
1876	1
1877	2
1878	3
1879	1
1881	1
1882	4
1883	1
1884	3
1885	3
1886	1
1887	3
1888	2
1889	3
1890	2
1892	1
1895	5
1896	2
1897	9
1898	14
1899	5
1900	5
1901	4
1902	16
1903	10
1904	11
1905	10
1906	15
1907	14
1908	20
1909	20
1910	17
1911	7
1912	7
1913	31
1914	28
1915	22
1916	40
1917	52
1918	26
1919	86
1920	50
1921	96
1922	49
1923	130
1924	78
1925	143
1926	185
1927	369
1928	230
1929	85
1930	306
1931	124
1932	484
1933	198
1934	368
1935	259
1936	601
1937	455
1938	394
1939	583
1940	250
1941	689
1942	783
1943	500
1944	288
1945	1,345
1946	810
1947	332
1948	340
1949	178
1950	1,105
1951	489
1952	527
1953	236
1954	365
1955	385
1956	573
1957	327
1958	535
1959	471
1960	814
1961	679
1962	321
1963	738
1964	241
1965	1,115
1966	970
1967	856
1968	849
1969	651
1970	768
1971	361
1972	1,013
1973	943
1974	837
1975	475
1976	534
1977	479
1978	787
1979	507
1980	658
1981	679
1982	1,315
1983	912
1984	599
1985	662
1986	551
1987	1,362
1988	1,325
1989	1,082
1990	1,916
1991	756
1992	740
1993	1,608
1994	822
1995	989
1996	689
1997	895
1998	972
1999	688
2000	792
2001	1,349
2002	1,210
2003	1,244
2004	1,406
2005	1,475
2006	579
2007	1,470
2008	955
2009	717
2010	584
2011	926
2012	2,715
2013	723
2014	1,039
2015	1,145
2016	545
2017	847
2018	891
2019	738
2020	454
2021	502
2022	452
2023	875
2024	668
2025	722
2026	2,522

Download the Data

Data for records on 1966-03-17: 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 25	770
25 to 50	13
50 to 75	3
75 to 100	3
100 to 125	1
125 to 150	2
150 to 175	1