Weather Records on 4 March 1966

1,050 weather records were set or tied worldwide on 4 March 1966. Highest significance: Two Harbors, US.

Key Facts for 4 March 1966

On 4 March 1966, 1,050 weather records were set or tied at long-record stations worldwide.
224 were record highs and 430 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 80 monthly and 959 daily.
Two Harbors set a monthly record daily precipitation of 66.0 mm (2.6 in) on 4 March 1966.
Across 167 earlier years (1801 to 2026) the same calendar date averaged 490 records.

Record Map

1,050 stations

1,050 station records on 4 March 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 March 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Two Harbors	United States	Record daily precipitation	66.0 mm (2.6 in)	70 of 100 (Major)
Bowdle	United States	Record daily snowfall	73.7 cm (29.0 in)	70 of 100 (Major)
Napoleon	United States	Record daily precipitation	30.2 mm (1.2 in)	67 of 100 (Major)
Devils Lake Kdlr	United States	Record daily snowfall	44.5 cm (17.5 in)	66 of 100 (Major)
Emerson	Canada	Record daily snowfall	22.9 cm (9.0 in)	65 of 100 (Major)
Napoleon	United States	Record daily snowfall	25.9 cm (10.2 in)	65 of 100 (Major)
Bowdle	United States	Record daily precipitation	71.1 mm (2.8 in)	65 of 100 (Major)
Steele 4N	United States	Record daily snowfall	29.2 cm (11.5 in)	64 of 100 (Major)
Roseau	United States	Record daily snowfall	20.3 cm (8.0 in)	61 of 100 (Major)
Courtenay 1 NW	United States	Record daily precipitation	119.4 mm (4.7 in)	60 of 100 (Major)
Fessenden	United States	Record daily precipitation	44.5 mm (1.8 in)	60 of 100 (Major)
Eureka	United States	Record daily snowfall	20.8 cm (8.2 in)	60 of 100 (Major)
Fessenden	United States	Record daily snowfall	43.2 cm (17.0 in)	58 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily snowfall	30.5 cm (12.0 in)	57 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Mobridge 2NNW	United States	Record daily snowfall	38.1 cm (15.0 in)	56 of 100 (Notable)
Sprague	Canada	Record daily precipitation	25.4 mm (1.0 in)	55 of 100 (Notable)
Sprague	Canada	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Tower 2S	United States	Record daily precipitation	48.5 mm (1.9 in)	55 of 100 (Notable)
Tower 2S	United States	Record daily snowfall	38.1 cm (15.0 in)	55 of 100 (Notable)
Edgeley 3WNW	United States	Record daily precipitation	39.1 mm (1.5 in)	55 of 100 (Notable)
Timber Lake	United States	Record daily snowfall	50.8 cm (20.0 in)	55 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	27.7 mm (1.1 in)	54 of 100 (Notable)
Mobridge 2NNW	United States	Record daily precipitation	41.7 mm (1.6 in)	54 of 100 (Notable)
Angus 1 N	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily snowfall	45.7 cm (18.0 in)	53 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Deadwood	United States	Record daily precipitation	48.5 mm (1.9 in)	51 of 100 (Notable)
Antigo	United States	Record daily precipitation	29.2 mm (1.1 in)	50 of 100 (Notable)
Chickamauga 2 SW	United States	Record daily precipitation	97.3 mm (3.8 in)	49 of 100 (Notable)
Grand Marais	United States	Record daily snowfall	25.4 cm (10.0 in)	48 of 100 (Notable)
Fosston 1 E	United States	Record daily snowfall	22.9 cm (9.0 in)	47 of 100 (Notable)
Langdon Exp Farm	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Petawawa Nat Forestry	Canada	Record daily snowfall	26.9 cm (10.6 in)	46 of 100 (Notable)
Big Falls	United States	Record daily snowfall	38.1 cm (15.0 in)	46 of 100 (Notable)
Mc Henry 3W	United States	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Darlington	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Fort Frances	Canada	Record daily snowfall	20.3 cm (8.0 in)	45 of 100 (Notable)
Cavalier 7NW	United States	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Morden	Canada	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Morden	Canada	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Walhalla 1 SW	United States	Record daily precipitation	26.9 mm (1.1 in)	44 of 100 (Notable)
Quincy Exp STN	United States	Record daily precipitation	60.5 mm (2.4 in)	43 of 100 (Notable)
Aberdeen	United States	Record daily snowfall	25.1 cm (9.9 in)	43 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Gaston Shoals	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Bayfield 6 N	United States	Record daily precipitation	37.3 mm (1.5 in)	42 of 100 (Notable)
Dublin	United States	Record daily precipitation	116.6 mm (4.6 in)	41 of 100 (Notable)
Rome	United States	Record daily precipitation	94.7 mm (3.7 in)	41 of 100 (Notable)
Petersburg 2 N	United States	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Leech Lake	United States	Record daily snowfall	20.3 cm (8.0 in)	40 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	26.4 mm (1.0 in)	40 of 100 (Notable)
Covington	United States	Record daily precipitation	66.3 mm (2.6 in)	39 of 100 (Notable)
Thief River Falls	United States	Record daily snowfall	27.9 cm (11.0 in)	39 of 100 (Notable)
Port Stanley	Canada	Record high maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Miles City	United States	Record snow depth	35.6 cm (14.0 in)	38 of 100 (Notable)
Mocksville 5SE	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Devils Lake Kdlr	United States	Record snow depth	76.2 cm (30.0 in)	38 of 100 (Notable)
Morden Cda	Canada	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Albertville 2 SE	United States	Record daily precipitation	94.5 mm (3.7 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,050 records

Records set or tied on 4 March 1966 by type: Highest daily maximum 64, Lowest daily maximum 176, Highest daily minimum 160, Lowest daily minimum 254, Heaviest daily rainfall 278, Heaviest daily snowfall 90, Deepest snow cover 28.

Records on 4 March 1966 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	176
Highest daily minimum	160
Lowest daily minimum	254
Heaviest daily rainfall	278
Heaviest daily snowfall	90
Deepest snow cover	28

Records on 4 March 1966 by timescale: all-time 11, monthly 80, daily 959.

How Much Records Were Beaten By

866 broken records

Margins by which the 866 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 261.0. Ties are not counted.

Top 20 by Significance

4 March 1966

Top 20 records on 4 March 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 March 1966	Two Harbors, US	monthly rain	66.0 mm (2.6 in)	22.6 mm (0.9 in)	48 years	70 of 100 (Major)
4 March 1966	Bowdle, US	all-time snowfall	73.7 cm (29.0 in)	22.9 cm (9.0 in)	12 years	70 of 100 (Major)
4 March 1966	Napoleon, US	daily rain	30.2 mm (1.2 in)	20.0 mm (0.8 in)	69 years	67 of 100 (Major)
4 March 1966	Devils Lake Kdlr, US	all-time snowfall	44.5 cm (17.5 in)	13.5 cm (5.3 in)	9 years	66 of 100 (Major)
4 March 1966	Emerson, CA	daily snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	71 years	65 of 100 (Major)
4 March 1966	Napoleon, US	daily snowfall	25.9 cm (10.2 in)	15.7 cm (6.2 in)	69 years	65 of 100 (Major)
4 March 1966	Bowdle, US	monthly rain	71.1 mm (2.8 in)	32.2 mm (1.3 in)	28 years	65 of 100 (Major)
4 March 1966	Steele 4N, US	daily snowfall	29.2 cm (11.5 in)	21.6 cm (8.5 in)	57 years	64 of 100 (Major)
4 March 1966	Roseau, US	daily snowfall	20.3 cm (8.0 in)	17.8 cm (7.0 in)	48 years	61 of 100 (Major)
4 March 1966	Courtenay 1 NW, US	monthly rain	119.4 mm (4.7 in)	81.6 mm (3.2 in)	23 years	60 of 100 (Major)
4 March 1966	Fessenden, US	monthly rain	44.5 mm (1.8 in)	18.6 mm (0.7 in)	19 years	60 of 100 (Major)
4 March 1966	Eureka, US	daily snowfall	20.8 cm (8.2 in)	13.2 cm (5.2 in)	53 years	60 of 100 (Major)
4 March 1966	Fessenden, US	all-time snowfall	43.2 cm (17.0 in)	10.2 cm (4.0 in)	36 years	58 of 100 (Notable)
4 March 1966	Winnibigoshish Dam, US	daily snowfall	30.5 cm (12.0 in)	20.6 cm (8.1 in)	33 years	57 of 100 (Notable)
4 March 1966	Park Rapids Muni AP, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	33 years	57 of 100 (Notable)
4 March 1966	Mobridge 2NNW, US	all-time snowfall	38.1 cm (15.0 in)	7.6 cm (3.0 in)	48 years	56 of 100 (Notable)
4 March 1966	Sprague, CA	daily rain	25.4 mm (1.0 in)	21.6 mm (0.9 in)	33 years	55 of 100 (Notable)
4 March 1966	Sprague, CA	daily snowfall	25.4 cm (10.0 in)	21.6 cm (8.5 in)	33 years	55 of 100 (Notable)
4 March 1966	Tower 2S, US	monthly rain	48.5 mm (1.9 in)	14.7 mm (0.6 in)	27 years	55 of 100 (Notable)
4 March 1966	Tower 2S, US	monthly snowfall	38.1 cm (15.0 in)	12.7 cm (5.0 in)	29 years	55 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

1801 to 1966

Records set or tied on this calendar date in each year from 1801 to 1966. 1966 had 1,050 records.

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

Records on 03-04 in each year
Year	Records
1801	1
1804	1
1810	1
1814	1
1816	1
1817	1
1837	1
1842	1
1843	1
1845	5
1846	1
1851	1
1852	2
1853	1
1857	1
1859	2
1862	1
1863	1
1868	1
1871	1
1872	1
1873	2
1874	1
1875	2
1876	1
1878	1
1880	6
1881	5
1882	2
1884	1
1886	3
1888	4
1889	3
1890	7
1891	3
1892	1
1893	2
1894	1
1895	2
1896	11
1897	2
1900	1
1901	3
1902	5
1903	18
1904	8
1905	8
1906	14
1907	13
1908	15
1909	23
1910	7
1911	6
1912	46
1913	23
1914	27
1915	27
1916	37
1917	51
1918	79
1919	162
1920	76
1921	99
1922	59
1923	206
1924	139
1925	272
1926	144
1927	132
1928	100
1929	252
1930	148
1931	295
1932	341
1933	357
1934	402
1935	528
1936	171
1937	336
1938	628
1939	278
1940	242
1941	278
1942	266
1943	1,123
1944	564
1945	465
1946	679
1947	407
1948	698
1949	299
1950	638
1951	740
1952	747
1953	540
1954	528
1955	1,317
1956	504
1957	294
1958	414
1959	743
1960	2,289
1961	773
1962	536
1963	502
1964	677
1965	855
1966	1,050
1967	359
1968	1,100
1969	252
1970	332
1971	1,217
1972	632
1973	569
1974	1,456
1975	514
1976	1,696
1977	1,240
1978	1,905
1979	1,100
1980	742
1981	742
1982	758
1983	2,210
1984	671
1985	1,118
1986	1,113
1987	1,577
1988	924
1989	1,369
1990	738
1991	1,343
1992	1,283
1993	749
1994	959
1995	1,062
1996	727
1997	1,013
1998	1,720
1999	990
2000	878
2001	762
2002	2,015
2003	861
2004	1,092
2005	782
2006	711
2007	779
2008	919
2009	1,460
2010	517
2011	682
2012	755
2013	708
2014	1,792
2015	577
2016	748
2017	571
2018	645
2019	2,178
2020	873
2021	492
2022	516
2023	807
2024	1,328
2025	695
2026	747

Download the Data

Data for records on 1966-03-04: 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	792
50 to 100	29
100 to 150	25
150 to 200	11
200 to 250	7
250 to 300	2