Weather Records on 20 March 1977

352 weather records were set or tied worldwide on 20 March 1977. Highest significance: Podor, SN.

Key Facts for 20 March 1977

On 20 March 1977, 352 weather records were set or tied at long-record stations worldwide.
126 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 339 daily.
Podor set a daily record high minimum temperature of 26.9 C (80.4 F) on 20 March 1977.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 456 records.

Record Map

352 stations

352 station records on 20 March 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Podor	Senegal	Record high minimum temperature	26.9 C (80.4 F)	60 of 100 (Major)
Clay Ctr 6 ESE	United States	Record daily precipitation	38.4 mm (1.5 in)	59 of 100 (Notable)
Uccle	Belgium	Record daily precipitation	26.7 mm (1.1 in)	52 of 100 (Notable)
Dagworth Station	Australia	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Monroe	United States	Record daily snowfall	17.8 cm (7.0 in)	45 of 100 (Notable)
York	United States	Record daily snowfall	30.5 cm (12.0 in)	44 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	115.8 mm (4.6 in)	43 of 100 (Notable)
Aurora	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Fairmont	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Ravenna	United States	Record daily snowfall	25.4 cm (10.0 in)	41 of 100 (Notable)
Minden	Canada	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Millington 3 SE	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Lidsdale State Forest	Australia	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
Guacui	Brazil	Record daily precipitation	65.0 mm (2.6 in)	37 of 100 (Notable)
Goshen 3SW	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Lanna	Sweden	Record daily precipitation	26.5 mm (1.0 in)	35 of 100 (Notable)
Malcolm	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Monroe	United States	Record snow depth	17.8 cm (7.0 in)	34 of 100 (Routine)
Koolau Dam 833	United States	Record daily precipitation	101.6 mm (4.0 in)	34 of 100 (Routine)
Daly Waters	Australia	Record daily precipitation	47.4 mm (1.9 in)	33 of 100 (Routine)
Seward	United States	Record daily snowfall	20.3 cm (8.0 in)	33 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Darwin Airport	Australia	Record low maximum temperature	25.8 C (78.4 F)	31 of 100 (Routine)
Atemajac de Brizuela	Mexico	Record high maximum temperature	30.6 C (87.1 F)	31 of 100 (Routine)
Ft Pierce	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Aledo	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Three Rivers	United States	Record daily snowfall	9.7 cm (3.8 in)	31 of 100 (Routine)
Osceola	United States	Record daily snowfall	17.8 cm (7.0 in)	31 of 100 (Routine)
Norfolk NAS	United States	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Live Oak	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Snake Rvr	United States	Record daily snowfall	33.0 cm (13.0 in)	30 of 100 (Routine)
Norfolk Intl AP	United States	Record daily precipitation	30.0 mm (1.2 in)	30 of 100 (Routine)
Santo Hipolito	Brazil	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Red Lodge	United States	Record daily snowfall	30.5 cm (12.0 in)	28 of 100 (Routine)
Vale	United States	Record daily snowfall	5.1 cm (2.0 in)	28 of 100 (Routine)
Ganca	Azerbaijan	Record high minimum temperature	10.1 C (50.2 F)	27 of 100 (Routine)
Usina Peti	Brazil	Record daily precipitation	70.0 mm (2.8 in)	27 of 100 (Routine)
Artemis	Brazil	Record daily precipitation	60.5 mm (2.4 in)	27 of 100 (Routine)
Agua Soca	Brazil	Record daily precipitation	59.9 mm (2.4 in)	27 of 100 (Routine)
Monticello 5 SE	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Driggs	United States	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Walnut	United States	Record daily snowfall	11.9 cm (4.7 in)	27 of 100 (Routine)
Angleton 2 W	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Kealakekua 2 28.7	United States	Record daily precipitation	30.0 mm (1.2 in)	27 of 100 (Routine)
Keithsburg	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Gage	United States	Record low minimum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Glacier Rs	United States	Record low maximum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Huron Rgnl AP	United States	Record daily snowfall	6.1 cm (2.4 in)	26 of 100 (Routine)
Rosso	Mauritania	Record high minimum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Apizaco	Mexico	Record high maximum temperature	28.9 C (84.0 F)	25 of 100 (Routine)
Willis 5 SSW	United States	Record daily snowfall	12.7 cm (5.0 in)	25 of 100 (Routine)
Norris Madison Pwr House	United States	Record daily snowfall	25.4 cm (10.0 in)	25 of 100 (Routine)
Custer	United States	Record daily snowfall	7.6 cm (3.0 in)	25 of 100 (Routine)
Nice	France	Record daily precipitation	53.3 mm (2.1 in)	24 of 100 (Routine)
Kanin Nos	Russia	Record high minimum temperature	-0.8 C (30.6 F)	24 of 100 (Routine)
Utica	United States	Record daily snowfall	12.7 cm (5.0 in)	24 of 100 (Routine)
Newport News Press Bld	United States	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Mtn View 91	United States	Record daily precipitation	153.2 mm (6.0 in)	24 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Perry	United States	Record high minimum temperature	20.6 C (69.1 F)	23 of 100 (Routine)

Counts by Type and Timescale

352 records

Records set or tied on 20 March 1977 by type: Highest daily maximum 79, Lowest daily maximum 27, Highest daily minimum 47, Lowest daily minimum 33, Heaviest daily rainfall 90, Heaviest daily snowfall 69, Deepest snow cover 7.

Records on 20 March 1977 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	27
Highest daily minimum	47
Lowest daily minimum	33
Heaviest daily rainfall	90
Heaviest daily snowfall	69
Deepest snow cover	7

Records on 20 March 1977 by timescale: all-time 0, monthly 13, daily 339.

How Much Records Were Beaten By

260 broken records

Margins by which the 260 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.0. Ties are not counted.

Top 20 by Significance

20 March 1977

Top 20 records on 20 March 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1977	Podor, SN	daily high min	26.9 C (80.4 F)	5.3 C (9.5 F)	119 years	60 of 100 (Major)
20 March 1977	Clay Ctr 6 ESE, US	daily rain	38.4 mm (1.5 in)	25.7 mm (1.0 in)	44 years	59 of 100 (Notable)
20 March 1977	Uccle, BE	daily rain	26.7 mm (1.1 in)	17.9 mm (0.7 in)	12 years	52 of 100 (Notable)
20 March 1977	Dagworth Station, AU	daily rain	61.0 mm (2.4 in)	55.2 mm (2.2 in)	76 years	51 of 100 (Notable)
20 March 1977	Monroe, US	daily snowfall	17.8 cm (7.0 in)	13.7 cm (5.4 in)	10 years	45 of 100 (Notable)
20 March 1977	York, US	monthly snowfall	30.5 cm (12.0 in)	5.1 cm (2.0 in)	54 years	44 of 100 (Notable)
20 March 1977	Kiama Bowling Club, AU	daily rain	115.8 mm (4.6 in)	67.3 mm (2.6 in)	14 years	43 of 100 (Notable)
20 March 1977	Aurora, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	64 years	41 of 100 (Notable)
20 March 1977	Fairmont, US	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	40 years	41 of 100 (Notable)
20 March 1977	Ravenna, US	daily snowfall	25.4 cm (10.0 in)	7.6 cm (3.0 in)	64 years	41 of 100 (Notable)
20 March 1977	Minden, CA	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	86 years	40 of 100 (Notable)
20 March 1977	Millington 3 SE, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	60 years	40 of 100 (Notable)
20 March 1977	Lidsdale State Forest, AU	daily rain	66.0 mm (2.6 in)	36.3 mm (1.4 in)	7 years	37 of 100 (Notable)
20 March 1977	Guacui, BR	daily rain	65.0 mm (2.6 in)	40.0 mm (1.6 in)	22 years	37 of 100 (Notable)
20 March 1977	Goshen 3SW, US	daily rain	31.8 mm (1.3 in)	11.0 mm (0.4 in)	50 years	36 of 100 (Notable)
20 March 1977	Lanna, SE	monthly rain	26.5 mm (1.0 in)	5.2 mm (0.20 in)	18 years	35 of 100 (Notable)
20 March 1977	Malcolm, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	34 years	35 of 100 (Notable)
20 March 1977	Monroe, US	daily snow depth	17.8 cm (7.0 in)	10.2 cm (4.0 in)	26 years	34 of 100 (Routine)
20 March 1977	Koolau Dam 833, US	daily rain	101.6 mm (4.0 in)	57.7 mm (2.3 in)	4 years	34 of 100 (Routine)
20 March 1977	Daly Waters, AU	daily rain	47.4 mm (1.9 in)	17.4 mm (0.7 in)	48 years	33 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 1977

Records set or tied on this calendar date in each year from 1808 to 1977. 1977 had 352 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 1977-03-20: 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 20	208
20 to 40	27
40 to 60	12
60 to 80	7
80 to 100	1
100 to 120	4
120 to 140	1