Weather Records on 20 March 1966

367 weather records were set or tied worldwide on 20 March 1966. Highest significance: Poronajsk, RU.

Key Facts for 20 March 1966

On 20 March 1966, 367 weather records were set or tied at long-record stations worldwide.
119 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 355 daily.
Poronajsk set a daily record precipitation of 29.4 mm (1.2 in) on 20 March 1966.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 456 records.

Record Map

367 stations

367 station records on 20 March 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Poronajsk	Russia	Record daily precipitation	29.4 mm (1.2 in)	51 of 100 (Notable)
Pogranichnoe	Russia	Record daily precipitation	28.3 mm (1.1 in)	49 of 100 (Notable)
Longmire Rainier Nps	United States	Record daily snowfall	43.2 cm (17.0 in)	47 of 100 (Notable)
Gazimammad Aerodrom	Azerbaijan	Record daily precipitation	33.4 mm (1.3 in)	45 of 100 (Notable)
Fizuly	Azerbaijan	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Oatlands (Bow Hill)	Australia	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Tamluk	India	Record daily precipitation	65.0 mm (2.6 in)	45 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Norway House	Canada	Record daily snowfall	8.1 cm (3.2 in)	42 of 100 (Notable)
Kara-Bagaz-Gol	Turkmenistan	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Nebitdag	Turkmenistan	Record daily precipitation	32.2 mm (1.3 in)	39 of 100 (Notable)
Bilasuvar	Azerbaijan	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Vernonia	United States	Record low maximum temperature	2.2 C (36.0 F)	36 of 100 (Notable)
Kalama 5 ENE	United States	Record daily snowfall	8.9 cm (3.5 in)	36 of 100 (Notable)
Eltham	Australia	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Toowoomba	Australia	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low minimum temperature	-14.0 C (6.8 F)	30 of 100 (Routine)
Ajan	Russia	Record daily precipitation	38.8 mm (1.5 in)	30 of 100 (Routine)
Clearwater	United States	Record low maximum temperature	4.4 C (39.9 F)	30 of 100 (Routine)
Lughrata	Australia	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Kruisrivier	South Africa	Record daily precipitation	37.0 mm (1.5 in)	28 of 100 (Routine)
Williams	United States	Record high minimum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Thornton Bvrt	Australia	Record daily precipitation	59.7 mm (2.4 in)	27 of 100 (Routine)
Kinglake	Australia	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Ringwood	Australia	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Dawson	Canada	Record daily snowfall	6.1 cm (2.4 in)	26 of 100 (Routine)
De Smet	United States	Record high minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Tingha (Crystal Hill)	Australia	Record daily precipitation	33.0 mm (1.3 in)	25 of 100 (Routine)
Croydon (Samuel Street)	Australia	Record daily precipitation	36.3 mm (1.4 in)	25 of 100 (Routine)
Kent	United States	Record low maximum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Sedro-Woolley	United States	Record low maximum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Holy Cross	United States	Record low maximum temperature	-22.2 C (-8.0 F)	24 of 100 (Routine)
Abbotsford	Australia	Record daily precipitation	57.2 mm (2.3 in)	23 of 100 (Routine)
Butte	United States	Record high minimum temperature	5.6 C (42.1 F)	23 of 100 (Routine)
Forest Grove	United States	Record low maximum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Centralia	United States	Record low maximum temperature	3.3 C (37.9 F)	23 of 100 (Routine)
Puyallup 2 W Exp STN	United States	Record low maximum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Turallin	Australia	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Wagga Wagga Agricultural Insti	Australia	Record high minimum temperature	20.3 C (68.5 F)	22 of 100 (Routine)
Dundurn	Canada	Record daily snowfall	7.6 cm (3.0 in)	22 of 100 (Routine)
Potlatch 3 NNE	United States	Record daily snowfall	6.4 cm (2.5 in)	22 of 100 (Routine)
Alamogordo	United States	Record high maximum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Cloudcroft	United States	Record low minimum temperature	-14.4 C (6.1 F)	22 of 100 (Routine)
Lake Keechelus	United States	Record daily snowfall	17.8 cm (7.0 in)	22 of 100 (Routine)
Willapa Harbor	United States	Record low maximum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Lankaran	Azerbaijan	Record daily precipitation	36.5 mm (1.4 in)	21 of 100 (Routine)
Low Head (Comparison)	Australia	Record high maximum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Canby	United States	Record high minimum temperature	5.6 C (42.1 F)	21 of 100 (Routine)
Red Rvr	United States	Record high minimum temperature	1.7 C (35.1 F)	21 of 100 (Routine)
Memphis	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Bumping Lake	United States	Record daily snowfall	20.3 cm (8.0 in)	21 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record daily precipitation	23.8 mm (0.9 in)	20 of 100 (Routine)
Bratsk	Russia	Record daily precipitation	10.8 mm (0.4 in)	20 of 100 (Routine)
Mys Yelizavety	Russia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Bogorodskoe	Russia	Record daily precipitation	16.7 mm (0.7 in)	20 of 100 (Routine)
Kurdamir	Azerbaijan	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Baku	Azerbaijan	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Bezenchuk	Russia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Nogliki	Russia	Record daily precipitation	18.1 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

367 records

Records set or tied on 20 March 1966 by type: Highest daily maximum 41, Lowest daily maximum 45, Highest daily minimum 78, Lowest daily minimum 28, Heaviest daily rainfall 140, Heaviest daily snowfall 28, Deepest snow cover 7.

Records on 20 March 1966 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	45
Highest daily minimum	78
Lowest daily minimum	28
Heaviest daily rainfall	140
Heaviest daily snowfall	28
Deepest snow cover	7

Records on 20 March 1966 by timescale: all-time 2, monthly 10, daily 355.

How Much Records Were Beaten By

284 broken records

Margins by which the 284 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

20 March 1966

Top 20 records on 20 March 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1966	Poronajsk, RU	daily rain	29.4 mm (1.2 in)	19.5 mm (0.8 in)	23 years	51 of 100 (Notable)
20 March 1966	Pogranichnoe, RU	daily rain	28.3 mm (1.1 in)	21.1 mm (0.8 in)	23 years	49 of 100 (Notable)
20 March 1966	Longmire Rainier Nps, US	daily snowfall	43.2 cm (17.0 in)	28.0 cm (11.0 in)	36 years	47 of 100 (Notable)
20 March 1966	Gazimammad Aerodrom, AZ	daily rain	33.4 mm (1.3 in)	31.8 mm (1.3 in)	7 years	45 of 100 (Notable)
20 March 1966	Fizuly, AZ	daily rain	29.0 mm (1.1 in)	22.8 mm (0.9 in)	25 years	45 of 100 (Notable)
20 March 1966	Oatlands (Bow Hill), AU	daily rain	43.2 mm (1.7 in)	32.5 mm (1.3 in)	33 years	45 of 100 (Notable)
20 March 1966	Tamluk, IN	daily rain	65.0 mm (2.6 in)	49.5 mm (1.9 in)	29 years	45 of 100 (Notable)
20 March 1966	Cambooya Post Office, AU	daily rain	53.3 mm (2.1 in)	27.4 mm (1.1 in)	56 years	44 of 100 (Notable)
20 March 1966	Norway House, CA	daily snowfall	8.1 cm (3.2 in)	8.1 cm (3.2 in)	69 years	42 of 100 (Notable)
20 March 1966	Kara-Bagaz-Gol, TM	all-time rain	28.7 mm (1.1 in)	5.1 mm (0.20 in)	3 years	40 of 100 (Notable)
20 March 1966	Nebitdag, TM	all-time rain	32.2 mm (1.3 in)	4.2 mm (0.17 in)	14 years	39 of 100 (Notable)
20 March 1966	Bilasuvar, AZ	monthly rain	33.8 mm (1.3 in)	8.3 mm (0.33 in)	17 years	37 of 100 (Notable)
20 March 1966	Vernonia, US	daily low max	2.2 C (36.0 F)	4.5 C (8.1 F)	67 years	36 of 100 (Notable)
20 March 1966	Kalama 5 ENE, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	48 years	36 of 100 (Notable)
20 March 1966	Eltham, AU	daily rain	34.3 mm (1.4 in)	16.8 mm (0.7 in)	35 years	34 of 100 (Routine)
20 March 1966	Toowoomba, AU	daily rain	49.3 mm (1.9 in)	12.0 mm (0.5 in)	56 years	33 of 100 (Routine)
20 March 1966	Bjelasnica, BA	daily low min	-14.0 C (6.8 F)	3.0 C (5.4 F)	60 years	30 of 100 (Routine)
20 March 1966	Ajan, RU	monthly rain	38.8 mm (1.5 in)	6.3 mm (0.25 in)	0 years	30 of 100 (Routine)
20 March 1966	Clearwater, US	daily low max	4.4 C (39.9 F)	1.2 C (2.2 F)	69 years	30 of 100 (Routine)
20 March 1966	Lughrata, AU	daily rain	45.0 mm (1.8 in)	18.1 mm (0.7 in)	25 years	28 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

1808 to 1966

Records set or tied on this calendar date in each year from 1808 to 1966. 1966 had 367 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 1966-03-20: 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	276
50 to 100	7
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1