Weather Records on 10 April 1977

1,430 weather records were set or tied worldwide on 10 April 1977. Highest significance: Cardwell Marine Pde, AU.

Key Facts for 10 April 1977

On 10 April 1977, 1,430 weather records were set or tied at long-record stations worldwide.
780 were record highs and 403 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 33 monthly and 1,397 daily.
Cardwell Marine Pde set a daily record precipitation of 156.0 mm (6.1 in) on 10 April 1977.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

1,430 stations

1,430 station records on 10 April 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 April 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cardwell Marine Pde	Australia	Record daily precipitation	156.0 mm (6.1 in)	70 of 100 (Major)
Izana	Spain	Record daily precipitation	105.5 mm (4.2 in)	69 of 100 (Major)
Mairipora	Brazil	Record daily precipitation	48.8 mm (1.9 in)	52 of 100 (Notable)
Fanning River Station	Australia	Record daily precipitation	57.4 mm (2.3 in)	48 of 100 (Notable)
Catigua	Brazil	Record daily precipitation	100.0 mm (3.9 in)	48 of 100 (Notable)
Dotswood Station	Australia	Record daily precipitation	52.0 mm (2.0 in)	44 of 100 (Notable)
Perus	Brazil	Record daily precipitation	62.0 mm (2.4 in)	44 of 100 (Notable)
Ft Kent	United States	Record low maximum temperature	-6.7 C (19.9 F)	43 of 100 (Notable)
Port Washington	United States	Record high maximum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Duartina	Brazil	Record daily precipitation	55.6 mm (2.2 in)	42 of 100 (Notable)
Woodstock	Canada	Record low minimum temperature	-16.7 C (1.9 F)	41 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	4.5 C (40.1 F)	41 of 100 (Notable)
Vanersborg	Sweden	Record low minimum temperature	-11.2 C (11.8 F)	41 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low minimum temperature	-15.7 C (3.7 F)	41 of 100 (Notable)
Garca	Brazil	Record daily precipitation	55.2 mm (2.2 in)	40 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low minimum temperature	-10.0 C (14.0 F)	40 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low maximum temperature	-10.8 C (12.6 F)	40 of 100 (Notable)
Primghar	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Redwood Falls Muni AP	United States	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Hillgrove Station	Australia	Record daily precipitation	28.6 mm (1.1 in)	39 of 100 (Notable)
Santa Cruz Das Palmeiras	Brazil	Record daily precipitation	59.3 mm (2.3 in)	39 of 100 (Notable)
Fazenda Sao Lourenco	Brazil	Record daily precipitation	58.2 mm (2.3 in)	39 of 100 (Notable)
Schierke	Germany	Record low maximum temperature	-0.9 C (30.4 F)	39 of 100 (Notable)
Springview 2NW	United States	Record high minimum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Fazenda Bom Retiro	Brazil	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Caledonia	United States	Record high maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Windom	United States	Record high minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Puerto Madero	Mexico	Record low minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	18.4 C (65.1 F)	37 of 100 (Notable)
Kristianstad	Sweden	Record low minimum temperature	-4.7 C (23.5 F)	37 of 100 (Notable)
Sidney 1SSE	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Farmington	United States	Record low minimum temperature	-17.8 C (0.0 F)	37 of 100 (Notable)
Setauket Strong	United States	Record low minimum temperature	-3.9 C (25.0 F)	37 of 100 (Notable)
Forman 5 SSE	United States	Record high minimum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
King Junction	Australia	Record daily precipitation	34.4 mm (1.4 in)	36 of 100 (Notable)
Kangaroo Hills Station	Australia	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Dryden	Canada	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Beloit	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Montevideo 1SW	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Marshall	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Kowanyama Airport	Australia	Record daily precipitation	59.0 mm (2.3 in)	35 of 100 (Notable)
Macknade Sugar Mill	Australia	Record daily precipitation	116.0 mm (4.6 in)	35 of 100 (Notable)
Auburn 2 SSE	United States	Record high maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Newton	United States	Record high maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Rock Rapids	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Houlton	United States	Record low minimum temperature	-14.4 C (6.1 F)	35 of 100 (Notable)
Leech Lake	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Montevideo 1SW	United States	Record high maximum temperature	31.7 C (89.1 F)	35 of 100 (Notable)
Tracy	United States	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Creighton	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Springview 2NW	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Edmore 4NW	United States	Record high maximum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Mitchell 2 N	United States	Record high maximum temperature	33.3 C (91.9 F)	35 of 100 (Notable)
Lamar	United States	Record high minimum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Longmont 2 ESE	United States	Record high maximum temperature	27.8 C (82.0 F)	34 of 100 (Routine)
Audubon	United States	Record high maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Charles City	United States	Record high minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Russell Springs	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Henderson 8 SSW	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Belfast	United States	Record low minimum temperature	-11.1 C (12.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,430 records

Records set or tied on 10 April 1977 by type: Highest daily maximum 505, Lowest daily maximum 143, Highest daily minimum 275, Lowest daily minimum 260, Heaviest daily rainfall 228, Heaviest daily snowfall 2, Deepest snow cover 17.

Records on 10 April 1977 by type
Record type	Records
Highest daily maximum	505
Lowest daily maximum	143
Highest daily minimum	275
Lowest daily minimum	260
Heaviest daily rainfall	228
Heaviest daily snowfall	2
Deepest snow cover	17

Records on 10 April 1977 by timescale: all-time 0, monthly 33, daily 1,397.

How Much Records Were Beaten By

1,205 broken records

Margins by which the 1,205 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

10 April 1977

Top 20 records on 10 April 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 April 1977	Cardwell Marine Pde, AU	daily rain	156.0 mm (6.1 in)	96.8 mm (3.8 in)	77 years	70 of 100 (Major)
10 April 1977	Izana, ES	monthly rain	105.5 mm (4.2 in)	53.3 mm (2.1 in)	47 years	69 of 100 (Major)
10 April 1977	Mairipora, BR	daily rain	48.8 mm (1.9 in)	38.4 mm (1.5 in)	39 years	52 of 100 (Notable)
10 April 1977	Fanning River Station, AU	daily rain	57.4 mm (2.3 in)	55.4 mm (2.2 in)	28 years	48 of 100 (Notable)
10 April 1977	Catigua, BR	monthly rain	100.0 mm (3.9 in)	33.2 mm (1.3 in)	35 years	48 of 100 (Notable)
10 April 1977	Dotswood Station, AU	daily rain	52.0 mm (2.0 in)	44.6 mm (1.8 in)	28 years	44 of 100 (Notable)
10 April 1977	Perus, BR	daily rain	62.0 mm (2.4 in)	45.7 mm (1.8 in)	2 years	44 of 100 (Notable)
10 April 1977	Ft Kent, US	monthly low max	-6.7 C (19.9 F)	0.6 C (1.1 F)	83 years	43 of 100 (Notable)
10 April 1977	Port Washington, US	daily high max	28.3 C (82.9 F)	10.0 C (18.0 F)	62 years	43 of 100 (Notable)
10 April 1977	Duartina, BR	daily rain	55.6 mm (2.2 in)	47.8 mm (1.9 in)	0 years	42 of 100 (Notable)
10 April 1977	Woodstock, CA	daily low min	-16.7 C (1.9 F)	2.8 C (5.0 F)	88 years	41 of 100 (Notable)
10 April 1977	Leipzig-Holzhausen, DE	daily low max	4.5 C (40.1 F)	0.5 C (0.9 F)	108 years	41 of 100 (Notable)
10 April 1977	Vanersborg, SE	daily low min	-11.2 C (11.8 F)	4.2 C (7.6 F)	64 years	41 of 100 (Notable)
10 April 1977	Col du Grand St-Bernard, CH	daily low min	-15.7 C (3.7 F)	0.7 C (1.3 F)	108 years	41 of 100 (Notable)
10 April 1977	Garca, BR	daily rain	55.2 mm (2.2 in)	49.7 mm (2.0 in)	0 years	40 of 100 (Notable)
10 April 1977	Cambridge Galt Moe, CA	daily low min	-10.0 C (14.0 F)	1.7 C (3.1 F)	94 years	40 of 100 (Notable)
10 April 1977	Col du Grand St-Bernard, CH	daily low max	-10.8 C (12.6 F)	1.7 C (3.1 F)	88 years	40 of 100 (Notable)
10 April 1977	Primghar, US	daily high min	14.4 C (57.9 F)	5.5 C (9.9 F)	74 years	40 of 100 (Notable)
10 April 1977	Redwood Falls Muni AP, US	daily high min	16.7 C (62.1 F)	6.7 C (12.1 F)	67 years	40 of 100 (Notable)
10 April 1977	Hillgrove Station, AU	daily rain	28.6 mm (1.1 in)	14.9 mm (0.6 in)	67 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

1793 to 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 1,430 records.

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

Records on 04-10 in each year
Year	Records
1793	1
1798	1
1805	1
1809	2
1812	3
1842	2
1844	1
1846	1
1847	1
1854	1
1863	2
1864	2
1865	2
1869	1
1872	1
1873	2
1875	2
1876	3
1877	2
1878	2
1879	1
1880	2
1882	1
1885	1
1886	1
1887	6
1888	1
1889	1
1890	4
1891	1
1892	4
1893	3
1894	5
1895	5
1896	4
1897	3
1898	6
1899	4
1900	8
1901	4
1902	4
1903	10
1904	12
1905	21
1906	24
1907	13
1908	8
1909	37
1910	15
1911	17
1912	55
1913	27
1914	25
1915	61
1916	94
1917	64
1918	43
1919	39
1920	66
1921	44
1922	178
1923	71
1924	119
1925	143
1926	86
1927	205
1928	245
1929	290
1930	646
1931	107
1932	290
1933	392
1934	237
1935	253
1936	186
1937	254
1938	401
1939	363
1940	252
1941	402
1942	548
1943	577
1944	718
1945	1,031
1946	287
1947	355
1948	335
1949	294
1950	599
1951	394
1952	793
1953	601
1954	243
1955	650
1956	377
1957	411
1958	326
1959	527
1960	683
1961	734
1962	258
1963	446
1964	239
1965	770
1966	537
1967	549
1968	498
1969	545
1970	521
1971	569
1972	639
1973	2,070
1974	935
1975	850
1976	431
1977	1,430
1978	1,233
1979	875
1980	654
1981	701
1982	1,138
1983	1,170
1984	548
1985	1,391
1986	562
1987	403
1988	764
1989	1,835
1990	1,135
1991	1,101
1992	929
1993	583
1994	844
1995	1,811
1996	1,475
1997	2,935
1998	899
1999	1,738
2000	651
2001	1,792
2002	589
2003	1,431
2004	548
2005	886
2006	650
2007	848
2008	1,141
2009	1,031
2010	574
2011	1,880
2012	846
2013	1,703
2014	615
2015	667
2016	921
2017	846
2018	861
2019	636
2020	712
2021	749
2022	783
2023	835
2024	713
2025	796
2026	840

Download the Data

Data for records on 1977-04-10: 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	1,196
50 to 100	8
100 to 150	0
150 to 200	0
200 to 250	1