Weather Records on 4 April 1977

780 weather records were set or tied worldwide on 4 April 1977. Highest significance: Tullahoma, US.

Key Facts for 4 April 1977

On 4 April 1977, 780 weather records were set or tied at long-record stations worldwide.
222 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 51 monthly and 728 daily.
Tullahoma set a monthly record daily precipitation of 150.6 mm (5.9 in) on 4 April 1977.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 502 records.

Record Map

780 stations

780 station records on 4 April 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tullahoma	United States	Record daily precipitation	150.6 mm (5.9 in)	62 of 100 (Major)
Troickij Priisk	Russia	Record daily precipitation	25.9 mm (1.0 in)	56 of 100 (Notable)
Green Bay	United States	Record daily snowfall	24.9 cm (9.8 in)	55 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record low minimum temperature	-1.1 C (30.0 F)	52 of 100 (Notable)
Allardt	United States	Record daily precipitation	99.1 mm (3.9 in)	51 of 100 (Notable)
Monteagle	United States	Record daily precipitation	117.3 mm (4.6 in)	51 of 100 (Notable)
Thallon Post Office	Australia	Record daily precipitation	54.4 mm (2.1 in)	49 of 100 (Notable)
Campestre	Brazil	Record daily precipitation	84.0 mm (3.3 in)	49 of 100 (Notable)
Dale Enterprise	United States	Record daily precipitation	35.1 mm (1.4 in)	49 of 100 (Notable)
Salique (Bos)	South Africa	Record daily precipitation	76.0 mm (3.0 in)	48 of 100 (Notable)
Manchester 4 W	United States	Record daily precipitation	43.2 mm (1.7 in)	48 of 100 (Notable)
Wytheville	United States	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Feitoria (Sao Felix)	Brazil	Record daily precipitation	95.4 mm (3.8 in)	47 of 100 (Notable)
Shawano 2SSW	United States	Record daily snowfall	19.1 cm (7.5 in)	47 of 100 (Notable)
Nindigully	Australia	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Baraboo Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Milo Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
New Liskeard	Canada	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Morgan 1 W	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Barrage Angliers	Canada	Record daily snowfall	23.9 cm (9.4 in)	43 of 100 (Notable)
Vinton	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Lebanon	United States	Record daily precipitation	66.5 mm (2.6 in)	43 of 100 (Notable)
Bedford	United States	Record daily precipitation	33.8 mm (1.3 in)	43 of 100 (Notable)
Appleton	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Oshkosh	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
Pine River 3 NE	United States	Record daily snowfall	21.6 cm (8.5 in)	43 of 100 (Notable)
Knoxville AP	United States	Record daily precipitation	79.5 mm (3.1 in)	43 of 100 (Notable)
Novais	Brazil	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Dalton	United States	Record daily snowfall	21.6 cm (8.5 in)	42 of 100 (Notable)
Hvar	Croatia	Record high maximum temperature	21.3 C (70.3 F)	41 of 100 (Notable)
Keams Canyon	United States	Record low minimum temperature	-15.0 C (5.0 F)	41 of 100 (Notable)
Ft Gaines	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily snowfall	21.6 cm (8.5 in)	41 of 100 (Notable)
Cuba	United States	Record low minimum temperature	-21.1 C (-6.0 F)	41 of 100 (Notable)
Soledade (Ibiapinopolis)	Brazil	Record daily precipitation	82.3 mm (3.2 in)	40 of 100 (Notable)
Kamloops	Canada	Record high maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Minden	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record daily snowfall	30.5 cm (12.0 in)	38 of 100 (Notable)
Rogersville 1 NE	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Athens	United States	Record daily precipitation	61.7 mm (2.4 in)	38 of 100 (Notable)
Breakwater	United States	Record daily snowfall	25.4 cm (10.0 in)	38 of 100 (Notable)
Muscoda	United States	Record daily snowfall	6.4 cm (2.5 in)	38 of 100 (Notable)
Fazenda Cascata	Brazil	Record daily precipitation	39.2 mm (1.5 in)	37 of 100 (Notable)
Izmail	Ukraine	Record high maximum temperature	26.8 C (80.2 F)	37 of 100 (Notable)
Manhattan	United States	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Plymouth Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Missao Velha	Brazil	Record daily precipitation	85.2 mm (3.4 in)	36 of 100 (Notable)
Roosevelt 1 S	United States	Record low minimum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Jeremiah 1 S	United States	Record daily precipitation	88.1 mm (3.5 in)	36 of 100 (Notable)
Geneva	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Pennington Gap	United States	Record daily precipitation	136.9 mm (5.4 in)	36 of 100 (Notable)
Gary	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Pirassununga	Brazil	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Verhojansk	Russia	Record high minimum temperature	-4.0 C (24.8 F)	35 of 100 (Notable)
Nogales	United States	Record low minimum temperature	-6.1 C (21.0 F)	35 of 100 (Notable)
Franklin Sewage Plt	United States	Record daily precipitation	52.1 mm (2.1 in)	35 of 100 (Notable)
Kewaunee	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Sheboygan	United States	Record daily precipitation	28.7 mm (1.1 in)	35 of 100 (Notable)

Counts by Type and Timescale

780 records

Records set or tied on 4 April 1977 by type: Highest daily maximum 101, Lowest daily maximum 50, Highest daily minimum 121, Lowest daily minimum 68, Heaviest daily rainfall 291, Heaviest daily snowfall 123, Deepest snow cover 26.

Records on 4 April 1977 by type
Record type	Records
Highest daily maximum	101
Lowest daily maximum	50
Highest daily minimum	121
Lowest daily minimum	68
Heaviest daily rainfall	291
Heaviest daily snowfall	123
Deepest snow cover	26

Records on 4 April 1977 by timescale: all-time 1, monthly 51, daily 728.

How Much Records Were Beaten By

652 broken records

Margins by which the 652 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 279.0. Ties are not counted.

Top 20 by Significance

4 April 1977

Top 20 records on 4 April 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1977	Tullahoma, US	monthly rain	150.6 mm (5.9 in)	37.3 mm (1.5 in)	66 years	62 of 100 (Major)
4 April 1977	Troickij Priisk, RU	monthly rain	25.9 mm (1.0 in)	9.6 mm (0.38 in)	8 years	56 of 100 (Notable)
4 April 1977	Green Bay, US	daily snowfall	24.9 cm (9.8 in)	19.3 cm (7.6 in)	20 years	55 of 100 (Notable)
4 April 1977	San Rafael-Civic Ctr, US	daily low min	-1.1 C (30.0 F)	5.0 C (9.0 F)	81 years	52 of 100 (Notable)
4 April 1977	Allardt, US	monthly rain	99.1 mm (3.9 in)	28.0 mm (1.1 in)	36 years	51 of 100 (Notable)
4 April 1977	Monteagle, US	monthly rain	117.3 mm (4.6 in)	52.5 mm (2.1 in)	6 years	51 of 100 (Notable)
4 April 1977	Thallon Post Office, AU	daily rain	54.4 mm (2.1 in)	34.8 mm (1.4 in)	48 years	49 of 100 (Notable)
4 April 1977	Campestre, BR	daily rain	84.0 mm (3.3 in)	59.3 mm (2.3 in)	10 years	49 of 100 (Notable)
4 April 1977	Dale Enterprise, US	daily rain	35.1 mm (1.4 in)	14.0 mm (0.6 in)	79 years	49 of 100 (Notable)
4 April 1977	Salique (Bos), ZA	daily rain	76.0 mm (3.0 in)	65.5 mm (2.6 in)	15 years	48 of 100 (Notable)
4 April 1977	Manchester 4 W, US	daily rain	43.2 mm (1.7 in)	21.6 mm (0.9 in)	75 years	48 of 100 (Notable)
4 April 1977	Wytheville, US	daily rain	48.8 mm (1.9 in)	24.4 mm (1.0 in)	46 years	48 of 100 (Notable)
4 April 1977	Feitoria (Sao Felix), BR	daily rain	95.4 mm (3.8 in)	65.2 mm (2.6 in)	34 years	47 of 100 (Notable)
4 April 1977	Shawano 2SSW, US	daily snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	32 years	47 of 100 (Notable)
4 April 1977	Nindigully, AU	daily rain	65.0 mm (2.6 in)	53.1 mm (2.1 in)	18 years	46 of 100 (Notable)
4 April 1977	Baraboo Wwtp, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	63 years	46 of 100 (Notable)
4 April 1977	Milo Station, AU	daily rain	34.0 mm (1.3 in)	25.1 mm (1.0 in)	64 years	44 of 100 (Notable)
4 April 1977	New Liskeard, CA	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	2 years	44 of 100 (Notable)
4 April 1977	Morgan 1 W, US	monthly high min	26.1 C (79.0 F)	3.3 C (5.9 F)	68 years	44 of 100 (Notable)
4 April 1977	Barrage Angliers, CA	daily snowfall	23.9 cm (9.4 in)	13.7 cm (5.4 in)	32 years	43 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

1794 to 1977

Records set or tied on this calendar date in each year from 1794 to 1977. 1977 had 780 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 1977-04-04: 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	594
50 to 100	38
100 to 150	14
150 to 200	5
200 to 250	0
250 to 300	1