Weather Records on 31 March 1977

1,021 weather records were set or tied worldwide on 31 March 1977. Highest significance: Harrington Harbour, CA.

Key Facts for 31 March 1977

On 31 March 1977, 1,021 weather records were set or tied at long-record stations worldwide.
417 were record highs and 408 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 43 monthly and 975 daily.
Harrington Harbour set a daily record precipitation of 49.0 mm (1.9 in) on 31 March 1977.
Across 155 earlier years (1808 to 2026) the same calendar date averaged 503 records.

Record Map

1,021 stations

1,021 station records on 31 March 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 March 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrington Harbour	Canada	Record daily precipitation	49.0 mm (1.9 in)	49 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Moorleah (Preolenna Road)	Australia	Record daily precipitation	120.6 mm (4.7 in)	45 of 100 (Notable)
Newlands	South Africa	Record daily precipitation	46.5 mm (1.8 in)	44 of 100 (Notable)
Clinton	United States	Record high maximum temperature	28.3 C (82.9 F)	44 of 100 (Notable)
King Salmon	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	0.9 C (33.6 F)	42 of 100 (Notable)
Merrill	United States	Record daily precipitation	120.7 mm (4.8 in)	41 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Liberty 1 NE	United States	Record high maximum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Camp Crook	United States	Record snow depth	35.6 cm (14.0 in)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record low maximum temperature	1.5 C (34.7 F)	40 of 100 (Notable)
Plauen	Germany	Record low maximum temperature	-2.3 C (27.9 F)	39 of 100 (Notable)
Likatlong	South Africa	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Westminter Estate	South Africa	Record daily precipitation	56.0 mm (2.2 in)	39 of 100 (Notable)
Morokweng (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Oaknolia 2N	United States	Record daily precipitation	84.8 mm (3.3 in)	39 of 100 (Notable)
Hyannis	United States	Record high maximum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Poplarville Exp STN	United States	Record daily precipitation	69.6 mm (2.7 in)	39 of 100 (Notable)
Lock Haven	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Selinsgrove 2 S	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
S.Joao Do Piaui	Brazil	Record daily precipitation	76.6 mm (3.0 in)	38 of 100 (Notable)
Altamura	South Africa	Record daily precipitation	55.0 mm (2.2 in)	38 of 100 (Notable)
Storrs	United States	Record high maximum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Meleiro	Brazil	Record daily precipitation	68.7 mm (2.7 in)	37 of 100 (Notable)
Keams Canyon	United States	Record low minimum temperature	-10.0 C (14.0 F)	37 of 100 (Notable)
Keene	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Sable Island	Canada	Record high minimum temperature	6.2 C (43.2 F)	36 of 100 (Notable)
Villa de Chiapilla	Mexico	Record high maximum temperature	43.9 C (111.0 F)	36 of 100 (Notable)
Amherst	United States	Record high maximum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Pinhalzinho	Brazil	Record daily precipitation	60.2 mm (2.4 in)	35 of 100 (Notable)
Remanso	Brazil	Record daily precipitation	42.1 mm (1.7 in)	35 of 100 (Notable)
Deols Chateauroux Aerodrome de	France	Record low minimum temperature	-4.8 C (23.4 F)	35 of 100 (Notable)
Morgan 1 W	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Colstrip	United States	Record snow depth	22.9 cm (9.0 in)	35 of 100 (Notable)
Belvidere	United States	Record high maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Elmira	United States	Record high maximum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Ouagadougou	Burkina Faso	Record low maximum temperature	28.5 C (83.3 F)	35 of 100 (Notable)
Serrita (Serrinha)	Brazil	Record daily precipitation	82.0 mm (3.2 in)	34 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	-7.0 C (19.4 F)	34 of 100 (Routine)
Nogliki	Russia	Record high maximum temperature	10.2 C (50.4 F)	34 of 100 (Routine)
Charlotteburg Rsvr	United States	Record high maximum temperature	27.8 C (82.0 F)	34 of 100 (Routine)
Arhangelsk	Russia	Record low minimum temperature	-27.3 C (-17.1 F)	33 of 100 (Routine)
Plattsburgh AFB	United States	Record high minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Goondiwindi Post Office	Australia	Record high minimum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Santa Quiteria	Brazil	Record daily precipitation	48.1 mm (1.9 in)	32 of 100 (Routine)
Kirensk	Russia	Record low maximum temperature	-8.4 C (16.9 F)	32 of 100 (Routine)
Boscobel	South Africa	Record daily precipitation	27.5 mm (1.1 in)	32 of 100 (Routine)
Shelbyville Sewage Plt	United States	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Spearfish	United States	Record snow depth	96.5 cm (38.0 in)	32 of 100 (Routine)
Saint Johnsbury	United States	Record high minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Ashland	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	2.0 C (35.6 F)	31 of 100 (Routine)
Ipueiras	Brazil	Record daily precipitation	82.3 mm (3.2 in)	31 of 100 (Routine)
Bamberg	Germany	Record low minimum temperature	-5.8 C (21.6 F)	31 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	-7.4 C (18.7 F)	31 of 100 (Routine)
Insikeni (Bos)	South Africa	Record daily precipitation	36.5 mm (1.4 in)	31 of 100 (Routine)
Doornkom	South Africa	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Tahoe City	United States	Record low minimum temperature	-17.2 C (1.0 F)	31 of 100 (Routine)
Bridger 2 N	United States	Record snow depth	20.3 cm (8.0 in)	31 of 100 (Routine)

Counts by Type and Timescale

1,021 records

Records set or tied on 31 March 1977 by type: Highest daily maximum 263, Lowest daily maximum 134, Highest daily minimum 154, Lowest daily minimum 274, Heaviest daily rainfall 168, Heaviest daily snowfall 13, Deepest snow cover 15.

Records on 31 March 1977 by type
Record type	Records
Highest daily maximum	263
Lowest daily maximum	134
Highest daily minimum	154
Lowest daily minimum	274
Heaviest daily rainfall	168
Heaviest daily snowfall	13
Deepest snow cover	15

Records on 31 March 1977 by timescale: all-time 3, monthly 43, daily 975.

How Much Records Were Beaten By

838 broken records

Margins by which the 838 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

31 March 1977

Top 20 records on 31 March 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 March 1977	Harrington Harbour, CA	daily rain	49.0 mm (1.9 in)	26.1 mm (1.0 in)	36 years	49 of 100 (Notable)
31 March 1977	Maclear (Mag), ZA	daily rain	61.0 mm (2.4 in)	38.0 mm (1.5 in)	16 years	47 of 100 (Notable)
31 March 1977	Moorleah (Preolenna Road), AU	all-time rain	120.6 mm (4.7 in)	1.2 mm (0.05 in)	60 years	45 of 100 (Notable)
31 March 1977	Newlands, ZA	daily rain	46.5 mm (1.8 in)	14.0 mm (0.6 in)	74 years	44 of 100 (Notable)
31 March 1977	Clinton, US	monthly high max	28.3 C (82.9 F)	3.3 C (5.9 F)	67 years	44 of 100 (Notable)
31 March 1977	King Salmon, US	daily snowfall	15.2 cm (6.0 in)	11.4 cm (4.5 in)	8 years	43 of 100 (Notable)
31 March 1977	Leipzig-Holzhausen, DE	daily low max	0.9 C (33.6 F)	1.1 C (2.0 F)	111 years	42 of 100 (Notable)
31 March 1977	Merrill, US	daily rain	120.7 mm (4.8 in)	47.0 mm (1.9 in)	51 years	41 of 100 (Notable)
31 March 1977	Ithaca Cornell UNIV, US	monthly high max	29.4 C (84.9 F)	1.6 C (2.9 F)	72 years	41 of 100 (Notable)
31 March 1977	Liberty 1 NE, US	monthly high max	27.2 C (81.0 F)	1.6 C (2.9 F)	72 years	41 of 100 (Notable)
31 March 1977	Camp Crook, US	daily snow depth	35.6 cm (14.0 in)	10.2 cm (4.0 in)	75 years	41 of 100 (Notable)
31 March 1977	Jena Sternwarte, DE	daily low max	1.5 C (34.7 F)	0.1 C (0.2 F)	139 years	40 of 100 (Notable)
31 March 1977	Plauen, DE	daily low max	-2.3 C (27.9 F)	3.0 C (5.4 F)	85 years	39 of 100 (Notable)
31 March 1977	Likatlong, ZA	daily rain	50.0 mm (2.0 in)	30.1 mm (1.2 in)	24 years	39 of 100 (Notable)
31 March 1977	Westminter Estate, ZA	daily rain	56.0 mm (2.2 in)	28.3 mm (1.1 in)	27 years	39 of 100 (Notable)
31 March 1977	Morokweng (Pol), ZA	daily rain	34.0 mm (1.3 in)	21.3 mm (0.8 in)	56 years	39 of 100 (Notable)
31 March 1977	Oaknolia 2N, US	daily rain	84.8 mm (3.3 in)	57.6 mm (2.3 in)	28 years	39 of 100 (Notable)
31 March 1977	Hyannis, US	monthly high max	23.3 C (73.9 F)	0.5 C (0.9 F)	67 years	39 of 100 (Notable)
31 March 1977	Poplarville Exp STN, US	daily rain	69.6 mm (2.7 in)	36.6 mm (1.4 in)	44 years	39 of 100 (Notable)
31 March 1977	Lock Haven, US	monthly high max	30.0 C (86.0 F)	0.6 C (1.1 F)	72 years	39 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 1977

Records set or tied on this calendar date in each year from 1808 to 1977. 1977 had 1,021 records.

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

Records on 03-31 in each year
Year	Records
1808	2
1815	2
1843	1
1848	1
1850	1
1854	1
1855	3
1856	2
1859	3
1865	2
1869	1
1872	4
1873	1
1874	1
1876	1
1878	1
1880	2
1881	1
1883	1
1887	2
1889	1
1890	1
1891	1
1892	2
1893	3
1896	3
1897	2
1898	5
1899	3
1900	9
1901	7
1902	3
1903	14
1904	16
1905	29
1906	10
1907	11
1908	5
1909	4
1910	45
1911	24
1912	18
1913	62
1914	16
1915	57
1916	17
1917	52
1918	42
1919	86
1920	65
1921	238
1922	102
1923	459
1924	160
1925	110
1926	306
1927	198
1928	98
1929	323
1930	137
1931	365
1932	360
1933	311
1934	181
1935	310
1936	1,242
1937	258
1938	649
1939	197
1940	697
1941	250
1942	245
1943	794
1944	327
1945	778
1946	897
1947	658
1948	355
1949	452
1950	579
1951	490
1952	382
1953	302
1954	549
1955	286
1956	767
1957	373
1958	414
1959	622
1960	327
1961	525
1962	547
1963	987
1964	1,345
1965	457
1966	845
1967	1,025
1968	504
1969	1,126
1970	945
1971	516
1972	427
1973	755
1974	852
1975	1,032
1976	519
1977	1,021
1978	1,362
1979	722
1980	640
1981	1,060
1982	926
1983	564
1984	532
1985	1,471
1986	1,507
1987	2,256
1988	850
1989	1,335
1990	842
1991	634
1992	747
1993	668
1994	871
1995	940
1996	743
1997	962
1998	2,587
1999	1,100
2000	581
2001	686
2002	861
2003	1,722
2004	1,055
2005	861
2006	1,088
2007	1,150
2008	1,471
2009	927
2010	984
2011	1,020
2012	942
2013	753
2014	631
2015	861
2016	823
2017	1,423
2018	663
2019	544
2020	534
2021	949
2022	683
2023	1,128
2024	488
2025	942
2026	1,275

Download the Data

Data for records on 1977-03-31: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	825
50 to 100	6
100 to 150	4
150 to 200	1
200 to 250	1
250 to 300	1