Weather Records on 11 April 1981

1,036 weather records were set or tied worldwide on 11 April 1981. Highest significance: Dennison Wtr Wks, US.

Key Facts for 11 April 1981

On 11 April 1981, 1,036 weather records were set or tied at long-record stations worldwide.
679 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 1,020 daily.
Dennison Wtr Wks set a daily record precipitation of 45.0 mm (1.8 in) on 11 April 1981.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 477 records.

Record Map

1,036 stations

1,036 station records on 11 April 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dennison Wtr Wks	United States	Record daily precipitation	45.0 mm (1.8 in)	63 of 100 (Major)
Hastings	United States	Record daily precipitation	38.4 mm (1.5 in)	52 of 100 (Notable)
Union Grove Wwtp	United States	Record daily precipitation	59.2 mm (2.3 in)	52 of 100 (Notable)
Beloit	United States	Record daily precipitation	47.8 mm (1.9 in)	51 of 100 (Notable)
Zanesville Muni AP	United States	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Prilep	Macedonia	Record daily precipitation	39.8 mm (1.6 in)	50 of 100 (Notable)
W Liberty 3NW	United States	Record daily precipitation	62.5 mm (2.5 in)	50 of 100 (Notable)
Steubenville	United States	Record daily precipitation	38.6 mm (1.5 in)	48 of 100 (Notable)
Burlington Wwtp	United States	Record daily precipitation	49.5 mm (1.9 in)	48 of 100 (Notable)
Corrales	Mexico	Record daily precipitation	40.4 mm (1.6 in)	47 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	13.2 C (55.8 F)	46 of 100 (Notable)
Chilliwack	Canada	Record daily snowfall	15.0 cm (5.9 in)	45 of 100 (Notable)
Cet Central England	United Kingdom	Record high minimum temperature	11.5 C (52.7 F)	45 of 100 (Notable)
Milan	Italy	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Oakland 1 SE	United States	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Alliance	Canada	Record daily snowfall	10.0 cm (3.9 in)	43 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	2.0 C (35.6 F)	42 of 100 (Notable)
Cowichan Lake Forestry	Canada	Record daily snowfall	14.5 cm (5.7 in)	41 of 100 (Notable)
Minden	Canada	Record high minimum temperature	7.5 C (45.5 F)	41 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record low maximum temperature	18.4 C (65.1 F)	41 of 100 (Notable)
Jesus Maria	Mexico	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	15.8 C (60.4 F)	41 of 100 (Notable)
Allegan 5NE	United States	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Port Stanley	Canada	Record high minimum temperature	6.0 C (42.8 F)	40 of 100 (Notable)
Huntingdon	Canada	Record high minimum temperature	9.0 C (48.2 F)	40 of 100 (Notable)
Union City	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Tipton	United States	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Greensburg	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Lake Geneva Wwtp	United States	Record daily precipitation	41.7 mm (1.6 in)	39 of 100 (Notable)
Nashville 1 E	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Iowa City	United States	Record daily precipitation	47.8 mm (1.9 in)	38 of 100 (Notable)
Battle Creek 5NW	United States	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Eugene-Mahlon Sweet Fld	United States	Record daily precipitation	36.3 mm (1.4 in)	38 of 100 (Notable)
Nordby (Fano)	Denmark	Record high maximum temperature	18.6 C (65.5 F)	37 of 100 (Notable)
Galway	Ireland	Record high minimum temperature	9.5 C (49.1 F)	37 of 100 (Notable)
Du Quoin 4 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Vevay	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Clinton Wwtp	United States	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Maquoketa	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Minneapolis	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Buffalo 2 SSW	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Canaan Valley	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Rumoi	Japan	Record daily precipitation	27.5 mm (1.1 in)	35 of 100 (Notable)
Cardara	Kazakhstan	Record daily precipitation	26.9 mm (1.1 in)	35 of 100 (Notable)
Middletown 4 W	United States	Record high minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Flora 5 NW	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Henderson 8 SSW	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Enderby	Canada	Record low maximum temperature	7.0 C (44.6 F)	34 of 100 (Routine)
Port Stanley	Canada	Record high maximum temperature	19.0 C (66.2 F)	34 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	2.6 C (36.7 F)	34 of 100 (Routine)
Mtn Home 1 NNW	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Dubuque L&D 11	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Wapello	United States	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Covert	United States	Record daily precipitation	59.7 mm (2.4 in)	34 of 100 (Routine)
Grand Ledge 1 NW	United States	Record daily precipitation	25.1 mm (1.0 in)	34 of 100 (Routine)
Burlington Junction	United States	Record daily precipitation	43.7 mm (1.7 in)	34 of 100 (Routine)
Milan Exp STN	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Illalangi	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Tewantin Post Office	Australia	Record high minimum temperature	20.8 C (69.4 F)	33 of 100 (Routine)
Port Hope	Canada	Record high maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,036 records

Records set or tied on 11 April 1981 by type: Highest daily maximum 203, Lowest daily maximum 65, Highest daily minimum 476, Lowest daily minimum 28, Heaviest daily rainfall 232, Heaviest daily snowfall 29, Deepest snow cover 3.

Records on 11 April 1981 by type
Record type	Records
Highest daily maximum	203
Lowest daily maximum	65
Highest daily minimum	476
Lowest daily minimum	28
Heaviest daily rainfall	232
Heaviest daily snowfall	29
Deepest snow cover	3

Records on 11 April 1981 by timescale: all-time 0, monthly 16, daily 1,020.

How Much Records Were Beaten By

864 broken records

Margins by which the 864 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 145.0. Ties are not counted.

Top 20 by Significance

11 April 1981

Top 20 records on 11 April 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1981	Dennison Wtr Wks, US	daily rain	45.0 mm (1.8 in)	28.2 mm (1.1 in)	62 years	63 of 100 (Major)
11 April 1981	Hastings, US	daily rain	38.4 mm (1.5 in)	17.6 mm (0.7 in)	78 years	52 of 100 (Notable)
11 April 1981	Union Grove Wwtp, US	daily rain	59.2 mm (2.3 in)	40.1 mm (1.6 in)	32 years	52 of 100 (Notable)
11 April 1981	Beloit, US	daily rain	47.8 mm (1.9 in)	17.3 mm (0.7 in)	87 years	51 of 100 (Notable)
11 April 1981	Zanesville Muni AP, US	daily rain	43.2 mm (1.7 in)	35.1 mm (1.4 in)	27 years	51 of 100 (Notable)
11 April 1981	Prilep, MK	daily rain	39.8 mm (1.6 in)	30.5 mm (1.2 in)	26 years	50 of 100 (Notable)
11 April 1981	W Liberty 3NW, US	daily rain	62.5 mm (2.5 in)	40.4 mm (1.6 in)	19 years	50 of 100 (Notable)
11 April 1981	Steubenville, US	daily rain	38.6 mm (1.5 in)	28.4 mm (1.1 in)	32 years	48 of 100 (Notable)
11 April 1981	Burlington Wwtp, US	daily rain	49.5 mm (1.9 in)	36.3 mm (1.4 in)	31 years	48 of 100 (Notable)
11 April 1981	Corrales, MX	daily rain	40.4 mm (1.6 in)	39.6 mm (1.6 in)	44 years	47 of 100 (Notable)
11 April 1981	Oxford, GB	daily high min	13.2 C (55.8 F)	2.1 C (3.8 F)	111 years	46 of 100 (Notable)
11 April 1981	Chilliwack, CA	monthly snowfall	15.0 cm (5.9 in)	3.6 cm (1.4 in)	61 years	45 of 100 (Notable)
11 April 1981	Cet Central England, GB	daily high min	11.5 C (52.7 F)	2.6 C (4.7 F)	86 years	45 of 100 (Notable)
11 April 1981	Milan, IT	daily high min	15.6 C (60.1 F)	1.2 C (2.2 F)	177 years	44 of 100 (Notable)
11 April 1981	Oakland 1 SE, US	daily rain	34.3 mm (1.4 in)	17.8 mm (0.7 in)	47 years	44 of 100 (Notable)
11 April 1981	Alliance, CA	daily snowfall	10.0 cm (3.9 in)	9.2 cm (3.6 in)	56 years	43 of 100 (Notable)
11 April 1981	Col du Grand St-Bernard, CH	daily high min	2.0 C (35.6 F)	1.0 C (1.8 F)	111 years	42 of 100 (Notable)
11 April 1981	Cowichan Lake Forestry, CA	daily snowfall	14.5 cm (5.7 in)	14.5 cm (5.7 in)	32 years	41 of 100 (Notable)
11 April 1981	Minden, CA	daily high min	7.5 C (45.5 F)	3.6 C (6.5 F)	86 years	41 of 100 (Notable)
11 April 1981	Nuwara Eliya, LK	daily low max	18.4 C (65.1 F)	0.2 C (0.4 F)	107 years	41 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

1800 to 1981

Records set or tied on this calendar date in each year from 1800 to 1981. 1981 had 1,036 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1981-04-11: 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	824
20 to 40	28
40 to 60	7
60 to 80	2
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1