Weather Records on 4 April 1981

1,393 weather records were set or tied worldwide on 4 April 1981. Highest significance: Mauston 1 SE, US.

Key Facts for 4 April 1981

On 4 April 1981, 1,393 weather records were set or tied at long-record stations worldwide.
899 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 52 monthly and 1,340 daily.
Mauston 1 SE set a monthly record daily precipitation of 94.0 mm (3.7 in) on 4 April 1981.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 499 records.

Record Map

1,393 stations

1,393 station records on 4 April 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mauston 1 SE	United States	Record daily precipitation	94.0 mm (3.7 in)	76 of 100 (Major)
Kapuskasing Cda	Canada	Record daily snowfall	42.4 cm (16.7 in)	71 of 100 (Major)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	119.2 mm (4.7 in)	65 of 100 (Major)
Springwood Bowling Club	Australia	Record daily precipitation	115.0 mm (4.5 in)	65 of 100 (Major)
Oberon (Jenolan State Forest)	Australia	Record daily precipitation	136.0 mm (5.4 in)	64 of 100 (Major)
Katoomba (Murri St)	Australia	Record daily precipitation	152.6 mm (6.0 in)	64 of 100 (Major)
Lansing	United States	Record daily precipitation	113.8 mm (4.5 in)	58 of 100 (Notable)
Pine River 3 NE	United States	Record daily precipitation	70.1 mm (2.8 in)	58 of 100 (Notable)
Shawnigan Lake	Canada	Record daily precipitation	31.4 mm (1.2 in)	57 of 100 (Notable)
Kapuskasing A	Canada	Record daily snowfall	45.1 cm (17.8 in)	57 of 100 (Notable)
Hornepayne	Canada	Record daily precipitation	32.6 mm (1.3 in)	56 of 100 (Notable)
Hammond	Australia	Record daily precipitation	27.0 mm (1.1 in)	54 of 100 (Notable)
Grindstone Island	Canada	Record high maximum temperature	12.8 C (55.0 F)	54 of 100 (Notable)
Weyerhaeuser 1N	United States	Record daily precipitation	35.6 mm (1.4 in)	54 of 100 (Notable)
Ottawa Cda	Canada	Record high minimum temperature	10.5 C (50.9 F)	53 of 100 (Notable)
Montreal McGill	Canada	Record high minimum temperature	12.0 C (53.6 F)	53 of 100 (Notable)
Greenmount	Australia	Record daily precipitation	33.2 mm (1.3 in)	52 of 100 (Notable)
Charlevoix	United States	Record daily precipitation	63.0 mm (2.5 in)	52 of 100 (Notable)
Caledonia	United States	Record daily precipitation	64.8 mm (2.6 in)	52 of 100 (Notable)
Quambone (Oxley)	Australia	Record daily precipitation	68.0 mm (2.7 in)	51 of 100 (Notable)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	143.0 mm (5.6 in)	51 of 100 (Notable)
Gaylord	United States	Record daily precipitation	37.6 mm (1.5 in)	51 of 100 (Notable)
Viroqua	United States	Record daily precipitation	71.1 mm (2.8 in)	51 of 100 (Notable)
Waukon 3NNE	United States	Record daily precipitation	105.9 mm (4.2 in)	50 of 100 (Notable)
Bettowynd (Condry)	Australia	Record daily precipitation	98.4 mm (3.9 in)	49 of 100 (Notable)
Qu Xian	China	Record daily precipitation	73.3 mm (2.9 in)	49 of 100 (Notable)
White Gums	Australia	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Oberon (Gingkin)	Australia	Record daily precipitation	53.0 mm (2.1 in)	48 of 100 (Notable)
Kangaroo Valley (Main Rd)	Australia	Record daily precipitation	118.0 mm (4.6 in)	48 of 100 (Notable)
Richmond	Canada	Record high maximum temperature	21.0 C (69.8 F)	48 of 100 (Notable)
Charles City	United States	Record daily precipitation	60.7 mm (2.4 in)	48 of 100 (Notable)
La Crescent Dam 7	United States	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Spring Grove	United States	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	55.9 mm (2.2 in)	48 of 100 (Notable)
Traveston	Australia	Record daily precipitation	95.2 mm (3.7 in)	47 of 100 (Notable)
Kapuskasing A	Canada	Record daily precipitation	43.6 mm (1.7 in)	47 of 100 (Notable)
Port Hastings	Canada	Record high maximum temperature	21.5 C (70.7 F)	47 of 100 (Notable)
Wausaukee	United States	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Lithgow (Newnes Forest Centre)	Australia	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Richmond	Canada	Record high minimum temperature	10.5 C (50.9 F)	46 of 100 (Notable)
Leroy 5 WSW	United States	Record daily snowfall	24.1 cm (9.5 in)	46 of 100 (Notable)
Elk Rvr	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Berambing	Australia	Record daily precipitation	151.0 mm (5.9 in)	45 of 100 (Notable)
Eldora	United States	Record daily precipitation	69.9 mm (2.8 in)	45 of 100 (Notable)
Gardiner	United States	Record high minimum temperature	8.3 C (46.9 F)	45 of 100 (Notable)
Chilton	United States	Record daily precipitation	40.1 mm (1.6 in)	45 of 100 (Notable)
Solon Springs	United States	Record daily snowfall	16.5 cm (6.5 in)	45 of 100 (Notable)
Gladwin	United States	Record high minimum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
Canning River Weir	Australia	Record daily precipitation	37.2 mm (1.5 in)	44 of 100 (Notable)
Port Stanley	Canada	Record high minimum temperature	8.0 C (46.4 F)	44 of 100 (Notable)
Huntingdon	Canada	Record high minimum temperature	12.0 C (53.6 F)	44 of 100 (Notable)
Evart	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Mather 3 NW	United States	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Cheboygan	United States	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Bowler	United States	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Hayward Rs	United States	Record daily precipitation	39.1 mm (1.5 in)	43 of 100 (Notable)
Stevens Pt	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Gore Bay	Canada	Record high minimum temperature	9.0 C (48.2 F)	42 of 100 (Notable)
Pelee Island	Canada	Record high minimum temperature	13.0 C (55.4 F)	42 of 100 (Notable)
Toledo Blade	United States	Record high maximum temperature	27.8 C (82.0 F)	42 of 100 (Notable)

Counts by Type and Timescale

1,393 records

Records set or tied on 4 April 1981 by type: Highest daily maximum 388, Lowest daily maximum 29, Highest daily minimum 511, Lowest daily minimum 26, Heaviest daily rainfall 395, Heaviest daily snowfall 37, Deepest snow cover 7.

Records on 4 April 1981 by type
Record type	Records
Highest daily maximum	388
Lowest daily maximum	29
Highest daily minimum	511
Lowest daily minimum	26
Heaviest daily rainfall	395
Heaviest daily snowfall	37
Deepest snow cover	7

Records on 4 April 1981 by timescale: all-time 1, monthly 52, daily 1,340.

How Much Records Were Beaten By

1,216 broken records

Margins by which the 1,216 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 210.0. Ties are not counted.

Top 20 by Significance

4 April 1981

Top 20 records on 4 April 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1981	Mauston 1 SE, US	monthly rain	94.0 mm (3.7 in)	38.1 mm (1.5 in)	63 years	76 of 100 (Major)
4 April 1981	Kapuskasing Cda, CA	monthly snowfall	42.4 cm (16.7 in)	19.5 cm (7.7 in)	50 years	71 of 100 (Major)
4 April 1981	Mount Victoria (Mt Victoria (S, AU	daily rain	119.2 mm (4.7 in)	54.9 mm (2.2 in)	52 years	65 of 100 (Major)
4 April 1981	Springwood Bowling Club, AU	daily rain	115.0 mm (4.5 in)	55.8 mm (2.2 in)	76 years	65 of 100 (Major)
4 April 1981	Oberon (Jenolan State Forest), AU	monthly rain	136.0 mm (5.4 in)	56.0 mm (2.2 in)	34 years	64 of 100 (Major)
4 April 1981	Katoomba (Murri St), AU	daily rain	152.6 mm (6.0 in)	99.8 mm (3.9 in)	52 years	64 of 100 (Major)
4 April 1981	Lansing, US	all-time rain	113.8 mm (4.5 in)	15.0 mm (0.6 in)	47 years	58 of 100 (Notable)
4 April 1981	Pine River 3 NE, US	monthly rain	70.1 mm (2.8 in)	17.0 mm (0.7 in)	71 years	58 of 100 (Notable)
4 April 1981	Shawnigan Lake, CA	daily rain	31.4 mm (1.2 in)	18.7 mm (0.7 in)	62 years	57 of 100 (Notable)
4 April 1981	Kapuskasing A, CA	monthly snowfall	45.1 cm (17.8 in)	21.0 cm (8.3 in)	12 years	57 of 100 (Notable)
4 April 1981	Hornepayne, CA	daily rain	32.6 mm (1.3 in)	24.0 mm (0.9 in)	35 years	56 of 100 (Notable)
4 April 1981	Hammond, AU	daily rain	27.0 mm (1.1 in)	19.1 mm (0.8 in)	56 years	54 of 100 (Notable)
4 April 1981	Grindstone Island, CA	daily high max	12.8 C (55.0 F)	6.1 C (11.0 F)	88 years	54 of 100 (Notable)
4 April 1981	Weyerhaeuser 1N, US	daily rain	35.6 mm (1.4 in)	25.4 mm (1.0 in)	64 years	54 of 100 (Notable)
4 April 1981	Ottawa Cda, CA	daily high min	10.5 C (50.9 F)	8.3 C (14.9 F)	88 years	53 of 100 (Notable)
4 April 1981	Montreal McGill, CA	daily high min	12.0 C (53.6 F)	5.9 C (10.6 F)	100 years	53 of 100 (Notable)
4 April 1981	Greenmount, AU	daily rain	33.2 mm (1.3 in)	28.1 mm (1.1 in)	46 years	52 of 100 (Notable)
4 April 1981	Charlevoix, US	monthly rain	63.0 mm (2.5 in)	10.2 mm (0.4 in)	68 years	52 of 100 (Notable)
4 April 1981	Caledonia, US	daily rain	64.8 mm (2.6 in)	49.1 mm (1.9 in)	16 years	52 of 100 (Notable)
4 April 1981	Quambone (Oxley), AU	daily rain	68.0 mm (2.7 in)	57.8 mm (2.3 in)	19 years	51 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 1981

Records set or tied on this calendar date in each year from 1794 to 1981. 1981 had 1,393 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 1981-04-04: 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	1,190
50 to 100	21
100 to 150	3
150 to 200	1
200 to 250	1