Weather Records on 23 March 1966

793 weather records were set or tied worldwide on 23 March 1966. Highest significance: Harnosand, SE.

Key Facts for 23 March 1966

On 23 March 1966, 793 weather records were set or tied at long-record stations worldwide.
169 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 20 monthly and 772 daily.
Harnosand set a daily record precipitation of 36.6 mm (1.4 in) on 23 March 1966.
Across 157 earlier years (1796 to 2026) the same calendar date averaged 497 records.

Record Map

793 stations

793 station records on 23 March 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 March 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harnosand	Sweden	Record daily precipitation	36.6 mm (1.4 in)	65 of 100 (Major)
Beaver City	United States	Record daily precipitation	30.5 mm (1.2 in)	62 of 100 (Major)
St Catharines	Canada	Record daily snowfall	22.1 cm (8.7 in)	58 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	66.3 mm (2.6 in)	56 of 100 (Notable)
Madison	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Escanaba	United States	Record daily precipitation	26.9 mm (1.1 in)	56 of 100 (Notable)
Silvan	Australia	Record daily precipitation	57.9 mm (2.3 in)	55 of 100 (Notable)
Faribault	United States	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Alton	United States	Record daily precipitation	39.4 mm (1.6 in)	54 of 100 (Notable)
Windom	United States	Record daily precipitation	48.3 mm (1.9 in)	54 of 100 (Notable)
David City 4E	United States	Record daily snowfall	15.2 cm (6.0 in)	54 of 100 (Notable)
River Falls	United States	Record daily snowfall	35.6 cm (14.0 in)	54 of 100 (Notable)
Queenscliff	Australia	Record daily precipitation	35.8 mm (1.4 in)	53 of 100 (Notable)
Elgin	United States	Record daily snowfall	26.7 cm (10.5 in)	52 of 100 (Notable)
Wakefield 3NW	United States	Record daily snowfall	20.3 cm (8.0 in)	52 of 100 (Notable)
Marquette	United States	Record daily precipitation	29.7 mm (1.2 in)	52 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Farmington 3NW	United States	Record daily snowfall	38.1 cm (15.0 in)	51 of 100 (Notable)
Dodgeville Wwtp	United States	Record daily precipitation	27.9 mm (1.1 in)	51 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	39.6 mm (1.6 in)	49 of 100 (Notable)
Zeehan Post Office	Australia	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
Hornepayne	Canada	Record daily snowfall	35.6 cm (14.0 in)	49 of 100 (Notable)
Le Mars	United States	Record daily snowfall	19.8 cm (7.8 in)	49 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily precipitation	37.1 mm (1.5 in)	49 of 100 (Notable)
Rosebery	Australia	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
W Pt	United States	Record daily snowfall	11.4 cm (4.5 in)	48 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	41.4 mm (1.6 in)	47 of 100 (Notable)
Oakdale	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Wakefield 3NW	United States	Record daily precipitation	35.8 mm (1.4 in)	47 of 100 (Notable)
Portsea Quarantine Station	Australia	Record daily precipitation	41.1 mm (1.6 in)	46 of 100 (Notable)
Sparta	United States	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Montrose	Australia	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Clarinda	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Decorah	United States	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Denison	United States	Record daily precipitation	26.9 mm (1.1 in)	44 of 100 (Notable)
Ogallala	United States	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Silvan State School	Australia	Record daily precipitation	55.1 mm (2.2 in)	43 of 100 (Notable)
Frankfort 2NE	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Franklin	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Stanley Wwtp	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Fairmont	United States	Record daily snowfall	26.2 cm (10.3 in)	42 of 100 (Notable)
Paxton	United States	Record daily snowfall	25.4 cm (10.0 in)	42 of 100 (Notable)
Park Falls Dnr HQ	United States	Record daily snowfall	22.6 cm (8.9 in)	42 of 100 (Notable)
Northwood	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Stratton	United States	Record daily precipitation	26.2 mm (1.0 in)	41 of 100 (Notable)
Hancock Exp Farm	United States	Record daily precipitation	40.9 mm (1.6 in)	41 of 100 (Notable)
Mason City	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
New Hampton	United States	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Farmington 3NW	United States	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Mauston 1 SE	United States	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record daily snowfall	38.1 cm (15.0 in)	40 of 100 (Notable)
Sassafras Post Office	Australia	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Algona	United States	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Zumbrota	United States	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Lake Margaret Dam	Australia	Record daily precipitation	92.2 mm (3.6 in)	38 of 100 (Notable)
Osage	United States	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)

Counts by Type and Timescale

793 records

Records set or tied on 23 March 1966 by type: Highest daily maximum 102, Lowest daily maximum 27, Highest daily minimum 67, Lowest daily minimum 67, Heaviest daily rainfall 385, Heaviest daily snowfall 135, Deepest snow cover 10.

Records on 23 March 1966 by type
Record type	Records
Highest daily maximum	102
Lowest daily maximum	27
Highest daily minimum	67
Lowest daily minimum	67
Heaviest daily rainfall	385
Heaviest daily snowfall	135
Deepest snow cover	10

Records on 23 March 1966 by timescale: all-time 1, monthly 20, daily 772.

How Much Records Were Beaten By

670 broken records

Margins by which the 670 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

23 March 1966

Top 20 records on 23 March 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 March 1966	Harnosand, SE	daily rain	36.6 mm (1.4 in)	24.8 mm (1.0 in)	52 years	65 of 100 (Major)
23 March 1966	Beaver City, US	daily rain	30.5 mm (1.2 in)	23.4 mm (0.9 in)	65 years	62 of 100 (Major)
23 March 1966	St Catharines, CA	daily snowfall	22.1 cm (8.7 in)	11.9 cm (4.7 in)	82 years	58 of 100 (Notable)
23 March 1966	Ft Dodge 5NNW, US	monthly rain	66.3 mm (2.6 in)	15.5 mm (0.6 in)	65 years	56 of 100 (Notable)
23 March 1966	Madison, US	daily snowfall	22.9 cm (9.0 in)	20.4 cm (8.0 in)	32 years	56 of 100 (Notable)
23 March 1966	Escanaba, US	daily rain	26.9 mm (1.1 in)	12.2 mm (0.5 in)	90 years	56 of 100 (Notable)
23 March 1966	Silvan, AU	daily rain	57.9 mm (2.3 in)	51.0 mm (2.0 in)	39 years	55 of 100 (Notable)
23 March 1966	Faribault, US	daily rain	47.0 mm (1.9 in)	31.3 mm (1.2 in)	29 years	55 of 100 (Notable)
23 March 1966	Alton, US	daily rain	39.4 mm (1.6 in)	25.9 mm (1.0 in)	28 years	54 of 100 (Notable)
23 March 1966	Windom, US	daily rain	48.3 mm (1.9 in)	37.1 mm (1.5 in)	28 years	54 of 100 (Notable)
23 March 1966	David City 4E, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	75 years	54 of 100 (Notable)
23 March 1966	River Falls, US	daily snowfall	35.6 cm (14.0 in)	30.5 cm (12.0 in)	36 years	54 of 100 (Notable)
23 March 1966	Queenscliff, AU	daily rain	35.8 mm (1.4 in)	29.4 mm (1.2 in)	48 years	53 of 100 (Notable)
23 March 1966	Elgin, US	daily snowfall	26.7 cm (10.5 in)	21.6 cm (8.5 in)	25 years	52 of 100 (Notable)
23 March 1966	Wakefield 3NW, US	daily snowfall	20.3 cm (8.0 in)	13.4 cm (5.3 in)	69 years	52 of 100 (Notable)
23 March 1966	Marquette, US	daily rain	29.7 mm (1.2 in)	11.4 mm (0.4 in)	74 years	52 of 100 (Notable)
23 March 1966	Britt 3E, US	daily rain	50.8 mm (2.0 in)	32.5 mm (1.3 in)	15 years	51 of 100 (Notable)
23 March 1966	Farmington 3NW, US	daily snowfall	38.1 cm (15.0 in)	22.9 cm (9.0 in)	13 years	51 of 100 (Notable)
23 March 1966	Dodgeville Wwtp, US	daily rain	27.9 mm (1.1 in)	17.2 mm (0.7 in)	68 years	51 of 100 (Notable)
23 March 1966	Coranderrk Badger Weir, AU	daily rain	39.6 mm (1.6 in)	30.7 mm (1.2 in)	48 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

1796 to 1966

Records set or tied on this calendar date in each year from 1796 to 1966. 1966 had 793 records.

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

Records on 03-23 in each year
Year	Records
1796	1
1808	1
1836	2
1837	2
1853	2
1858	1
1862	1
1864	2
1865	2
1868	2
1871	3
1874	2
1875	4
1877	2
1878	3
1879	1
1882	1
1883	6
1884	2
1885	3
1886	1
1887	1
1888	3
1889	2
1890	1
1891	1
1893	1
1895	4
1896	13
1897	9
1898	6
1899	3
1901	5
1902	26
1903	32
1904	3
1905	16
1906	23
1907	53
1908	11
1909	7
1910	12
1911	8
1912	22
1913	76
1914	72
1915	11
1916	50
1917	65
1918	31
1919	17
1920	75
1921	10
1922	30
1923	97
1924	78
1925	164
1926	283
1927	202
1928	154
1929	517
1930	135
1931	267
1932	169
1933	123
1934	689
1935	486
1936	437
1937	243
1938	601
1939	565
1940	1,031
1941	188
1942	187
1943	286
1944	466
1945	386
1946	170
1947	275
1948	331
1949	390
1950	874
1951	337
1952	1,479
1953	589
1954	483
1955	999
1956	420
1957	354
1958	486
1959	249
1960	1,004
1961	361
1962	306
1963	839
1964	815
1965	1,537
1966	793
1967	822
1968	1,490
1969	634
1970	380
1971	758
1972	533
1973	537
1974	1,099
1975	618
1976	399
1977	642
1978	608
1979	1,012
1980	422
1981	940
1982	845
1983	1,522
1984	715
1985	437
1986	1,104
1987	1,279
1988	710
1989	805
1990	1,389
1991	1,264
1992	883
1993	1,151
1994	1,499
1995	1,514
1996	673
1997	743
1998	1,253
1999	722
2000	1,162
2001	995
2002	1,130
2003	971
2004	1,516
2005	1,014
2006	1,311
2007	1,595
2008	956
2009	952
2010	918
2011	1,245
2012	2,269
2013	1,270
2014	594
2015	577
2016	536
2017	739
2018	790
2019	525
2020	465
2021	1,050
2022	1,031
2023	1,135
2024	611
2025	702
2026	1,806

Download the Data

Data for records on 1966-03-23: 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	591
50 to 100	42
100 to 150	24
150 to 200	8
200 to 250	4
250 to 300	0
300 to 350	1