Weather Records on 20 March 1981

712 weather records were set or tied worldwide on 20 March 1981. Highest significance: Boise Air Terminal, US.

Key Facts for 20 March 1981

On 20 March 1981, 712 weather records were set or tied at long-record stations worldwide.
186 were record highs and 212 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 704 daily.
Boise Air Terminal set a monthly record daily precipitation of 40.6 mm (1.6 in) on 20 March 1981.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 454 records.

Record Map

712 stations

712 station records on 20 March 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boise Air Terminal	United States	Record daily precipitation	40.6 mm (1.6 in)	65 of 100 (Major)
Acude Sao Vicente	Brazil	Record daily precipitation	86.0 mm (3.4 in)	50 of 100 (Notable)
Dundurn	Canada	Record daily snowfall	22.0 cm (8.7 in)	49 of 100 (Notable)
Tacaratu	Brazil	Record daily precipitation	96.5 mm (3.8 in)	48 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	35.4 C (95.7 F)	46 of 100 (Notable)
Porto	Brazil	Record daily precipitation	89.0 mm (3.5 in)	44 of 100 (Notable)
Cambridge Galt Moe	Canada	Record daily snowfall	5.0 cm (2.0 in)	44 of 100 (Notable)
Camden on Gauley 2 SW	United States	Record snow depth	43.2 cm (17.0 in)	43 of 100 (Notable)
Pickens 1	United States	Record daily snowfall	25.4 cm (10.0 in)	43 of 100 (Notable)
Petrolandia (Itaparica)	Brazil	Record daily precipitation	94.1 mm (3.7 in)	42 of 100 (Notable)
Boa Viagem	Brazil	Record daily precipitation	94.6 mm (3.7 in)	41 of 100 (Notable)
Kuljab	Tajikistan	Record daily precipitation	38.5 mm (1.5 in)	40 of 100 (Notable)
Danner	United States	Record snow depth	15.2 cm (6.0 in)	40 of 100 (Notable)
Assarai-Montante	Brazil	Record daily precipitation	69.2 mm (2.7 in)	36 of 100 (Notable)
Strongfield	Canada	Record daily snowfall	14.0 cm (5.5 in)	36 of 100 (Notable)
Hafslo	Norway	Record snow depth	118.0 cm (46.5 in)	36 of 100 (Notable)
Homestead Exp STN	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Calarasi	Romania	Record daily precipitation	25.3 mm (1.0 in)	35 of 100 (Notable)
Rowlesburg 1	United States	Record daily snowfall	8.9 cm (3.5 in)	35 of 100 (Notable)
Barra de Sao Francisco	Brazil	Record daily precipitation	43.5 mm (1.7 in)	34 of 100 (Routine)
Iraucuba	Brazil	Record daily precipitation	48.0 mm (1.9 in)	34 of 100 (Routine)
Acude Salao	Brazil	Record daily precipitation	49.6 mm (2.0 in)	34 of 100 (Routine)
Urandi	Brazil	Record daily precipitation	81.0 mm (3.2 in)	34 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Kinston 7 SE	United States	Record low minimum temperature	-5.6 C (21.9 F)	34 of 100 (Routine)
White Sulphur Springs	United States	Record low maximum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Gumri	Armenia	Record high maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Snow Creek Upper	United States	Record daily precipitation	32.8 mm (1.3 in)	33 of 100 (Routine)
Oswego	United States	Record daily snowfall	19.3 cm (7.6 in)	33 of 100 (Routine)
Lexington	United States	Record low minimum temperature	-8.3 C (17.1 F)	33 of 100 (Routine)
Wytheville	United States	Record low maximum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Arneiroz	Brazil	Record daily precipitation	72.2 mm (2.8 in)	32 of 100 (Routine)
Ash Mtn	United States	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Wagner (Itacira)	Brazil	Record daily precipitation	48.6 mm (1.9 in)	31 of 100 (Routine)
Snowflake	United States	Record high minimum temperature	6.1 C (43.0 F)	31 of 100 (Routine)
Lassance	Brazil	Record daily precipitation	57.3 mm (2.3 in)	30 of 100 (Routine)
Vertentes	Brazil	Record daily precipitation	46.2 mm (1.8 in)	30 of 100 (Routine)
Remanso	Brazil	Record daily precipitation	56.0 mm (2.2 in)	30 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low maximum temperature	2.2 C (36.0 F)	30 of 100 (Routine)
Danner	United States	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
Bens Run 1 SSE	United States	Record low maximum temperature	-1.7 C (28.9 F)	30 of 100 (Routine)
Spencer	United States	Record low maximum temperature	-1.7 C (28.9 F)	30 of 100 (Routine)
Union 3 SSE	United States	Record low maximum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Jaicos	Brazil	Record daily precipitation	68.0 mm (2.7 in)	29 of 100 (Routine)
Feodosiia	Ukraine	Record high minimum temperature	8.6 C (47.5 F)	29 of 100 (Routine)
Crown King	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Ft Lauderdale	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Hiram	United States	Record daily snowfall	19.1 cm (7.5 in)	29 of 100 (Routine)
Everett	United States	Record low maximum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Glenville	United States	Record low maximum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Annex Creek	United States	Record high maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Belhaven 1 SE	United States	Record low maximum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record low maximum temperature	1.1 C (34.0 F)	28 of 100 (Routine)
Beckley Va Hospital	United States	Record low maximum temperature	-2.8 C (27.0 F)	28 of 100 (Routine)
Thomas	United States	Record daily snowfall	15.2 cm (6.0 in)	28 of 100 (Routine)
Campo Dos Cavalos	Brazil	Record daily precipitation	96.0 mm (3.8 in)	27 of 100 (Routine)
Matilde (Dnos)	Brazil	Record daily precipitation	129.0 mm (5.1 in)	27 of 100 (Routine)
Aurora	Brazil	Record daily precipitation	68.1 mm (2.7 in)	27 of 100 (Routine)
Grant Grove	United States	Record daily precipitation	71.4 mm (2.8 in)	27 of 100 (Routine)

Counts by Type and Timescale

712 records

Records set or tied on 20 March 1981 by type: Highest daily maximum 94, Lowest daily maximum 103, Highest daily minimum 92, Lowest daily minimum 109, Heaviest daily rainfall 200, Heaviest daily snowfall 71, Deepest snow cover 43.

Records on 20 March 1981 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	103
Highest daily minimum	92
Lowest daily minimum	109
Heaviest daily rainfall	200
Heaviest daily snowfall	71
Deepest snow cover	43

Records on 20 March 1981 by timescale: all-time 1, monthly 7, daily 704.

How Much Records Were Beaten By

562 broken records

Margins by which the 562 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

20 March 1981

Top 20 records on 20 March 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1981	Boise Air Terminal, US	monthly rain	40.6 mm (1.6 in)	13.9 mm (0.5 in)	38 years	65 of 100 (Major)
20 March 1981	Acude Sao Vicente, BR	daily rain	86.0 mm (3.4 in)	41.0 mm (1.6 in)	55 years	50 of 100 (Notable)
20 March 1981	Dundurn, CA	daily snowfall	22.0 cm (8.7 in)	14.4 cm (5.7 in)	15 years	49 of 100 (Notable)
20 March 1981	Tacaratu, BR	daily rain	96.5 mm (3.8 in)	64.0 mm (2.5 in)	40 years	48 of 100 (Notable)
20 March 1981	Sydney (Observatory Hill), AU	daily high max	35.4 C (95.7 F)	1.8 C (3.2 F)	119 years	46 of 100 (Notable)
20 March 1981	Porto, BR	daily rain	89.0 mm (3.5 in)	72.0 mm (2.8 in)	3 years	44 of 100 (Notable)
20 March 1981	Cambridge Galt Moe, CA	daily snowfall	5.0 cm (2.0 in)	2.5 cm (1.0 in)	99 years	44 of 100 (Notable)
20 March 1981	Camden on Gauley 2 SW, US	daily snow depth	43.2 cm (17.0 in)	30.5 cm (12.0 in)	20 years	43 of 100 (Notable)
20 March 1981	Pickens 1, US	daily snowfall	25.4 cm (10.0 in)	10.2 cm (4.0 in)	75 years	43 of 100 (Notable)
20 March 1981	Petrolandia (Itaparica), BR	daily rain	94.1 mm (3.7 in)	71.8 mm (2.8 in)	8 years	42 of 100 (Notable)
20 March 1981	Boa Viagem, BR	daily rain	94.6 mm (3.7 in)	49.5 mm (1.9 in)	18 years	41 of 100 (Notable)
20 March 1981	Kuljab, TJ	daily rain	38.5 mm (1.5 in)	24.1 mm (0.9 in)	38 years	40 of 100 (Notable)
20 March 1981	Danner, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	46 years	40 of 100 (Notable)
20 March 1981	Assarai-Montante, BR	daily rain	69.2 mm (2.7 in)	48.8 mm (1.9 in)	26 years	36 of 100 (Notable)
20 March 1981	Strongfield, CA	daily snowfall	14.0 cm (5.5 in)	10.2 cm (4.0 in)	10 years	36 of 100 (Notable)
20 March 1981	Hafslo, NO	daily snow depth	118.0 cm (46.5 in)	14.0 cm (5.5 in)	78 years	36 of 100 (Notable)
20 March 1981	Homestead Exp STN, US	daily low max	21.1 C (70.0 F)	2.8 C (5.0 F)	67 years	36 of 100 (Notable)
20 March 1981	Yakutat AP, US	daily high max	12.2 C (54.0 F)	5.0 C (9.0 F)	44 years	36 of 100 (Notable)
20 March 1981	Calarasi, RO	daily rain	25.3 mm (1.0 in)	14.3 mm (0.6 in)	3 years	35 of 100 (Notable)
20 March 1981	Rowlesburg 1, US	daily snowfall	8.9 cm (3.5 in)	1.3 cm (0.5 in)	81 years	35 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

1808 to 1981

Records set or tied on this calendar date in each year from 1808 to 1981. 1981 had 712 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 1981-03-20: 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 2026-10-16 (16 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	526
50 to 100	25
100 to 150	10
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1