Weather Records on 11 May 1981

1,298 weather records were set or tied worldwide on 11 May 1981. Highest significance: Lowell, US.

Key Facts for 11 May 1981

On 11 May 1981, 1,298 weather records were set or tied at long-record stations worldwide.
403 were record highs and 505 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 70 monthly and 1,227 daily.
Lowell set a monthly record daily precipitation of 90.2 mm (3.6 in) on 11 May 1981.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 458 records.

Record Map

1,298 stations

1,298 station records on 11 May 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lowell	United States	Record daily precipitation	90.2 mm (3.6 in)	74 of 100 (Major)
Holland Wtp	United States	Record daily precipitation	104.1 mm (4.1 in)	72 of 100 (Major)
Doylestown	United States	Record daily precipitation	73.7 mm (2.9 in)	64 of 100 (Major)
Springdale	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Plainfield	United States	Record daily precipitation	61.7 mm (2.4 in)	60 of 100 (Major)
Chestertown	United States	Record daily precipitation	43.4 mm (1.7 in)	59 of 100 (Notable)
Billings Intl AP	United States	Record daily snowfall	38.1 cm (15.0 in)	57 of 100 (Notable)
Campi	Portugal	Record daily precipitation	96.0 mm (3.8 in)	56 of 100 (Notable)
Portage des Roches	Canada	Record daily precipitation	35.6 mm (1.4 in)	55 of 100 (Notable)
Rapelje	United States	Record daily snowfall	30.5 cm (12.0 in)	55 of 100 (Notable)
E Stroudsburg	United States	Record daily precipitation	57.7 mm (2.3 in)	51 of 100 (Notable)
Darby	United States	Record daily precipitation	29.0 mm (1.1 in)	50 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	64.5 mm (2.5 in)	49 of 100 (Notable)
Audubon	United States	Record daily precipitation	68.1 mm (2.7 in)	49 of 100 (Notable)
Poughkeepsie AP	United States	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Neshaminy Falls	United States	Record daily precipitation	61.7 mm (2.4 in)	48 of 100 (Notable)
Lewisburg 3 N	United States	Record daily precipitation	41.1 mm (1.6 in)	48 of 100 (Notable)
Billings Intl AP	United States	Record daily precipitation	53.6 mm (2.1 in)	48 of 100 (Notable)
Hilgenroth	Germany	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Denton 2 E	United States	Record daily precipitation	48.5 mm (1.9 in)	47 of 100 (Notable)
Alma	United States	Record daily precipitation	52.8 mm (2.1 in)	47 of 100 (Notable)
Aschaffenburg	Germany	Record daily precipitation	31.4 mm (1.2 in)	46 of 100 (Notable)
Hita	Japan	Record daily precipitation	112.0 mm (4.4 in)	46 of 100 (Notable)
Sogndal - Selseng	Norway	Record snow depth	105.0 cm (41.3 in)	46 of 100 (Notable)
Millington 1 SE	United States	Record daily precipitation	41.7 mm (1.6 in)	46 of 100 (Notable)
Midland Park	United States	Record daily precipitation	88.4 mm (3.5 in)	46 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Nominingue	Canada	Record daily precipitation	31.4 mm (1.2 in)	45 of 100 (Notable)
S Haven	United States	Record daily precipitation	63.5 mm (2.5 in)	45 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	50.8 cm (20.0 in)	45 of 100 (Notable)
New Milford	United States	Record daily precipitation	58.2 mm (2.3 in)	45 of 100 (Notable)
Zionsville 3 ESE	United States	Record daily precipitation	61.2 mm (2.4 in)	45 of 100 (Notable)
Valkenburg (L)	Netherlands	Record daily precipitation	27.6 mm (1.1 in)	44 of 100 (Notable)
Greenville 2 NNE	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Kent City 2 SW	United States	Record daily precipitation	44.7 mm (1.8 in)	44 of 100 (Notable)
Central Michigan UNIV	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Columbus	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
San Saba	United States	Record low minimum temperature	3.3 C (37.9 F)	44 of 100 (Notable)
Shawinigan	Canada	Record daily precipitation	47.4 mm (1.9 in)	43 of 100 (Notable)
St Fereol	Canada	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Saint-Germain-Les-Belles	France	Record daily precipitation	30.4 mm (1.2 in)	43 of 100 (Notable)
Alma	United States	Record low maximum temperature	3.3 C (37.9 F)	43 of 100 (Notable)
Red Lodge	United States	Record snow depth	38.1 cm (15.0 in)	43 of 100 (Notable)
Bell Falls	Canada	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
St Jerome	Canada	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Bge C Lac Chateauvert	Canada	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
Grand Ledge 1 NW	United States	Record daily precipitation	70.6 mm (2.8 in)	42 of 100 (Notable)
Harbor Beach 1 SSE	United States	Record daily precipitation	52.6 mm (2.1 in)	42 of 100 (Notable)
Millington 3 SE	United States	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Rapelje	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Woodstown Pittsgrov 4E	United States	Record daily precipitation	35.8 mm (1.4 in)	42 of 100 (Notable)
Hitoyoshi	Japan	Record daily precipitation	140.0 mm (5.5 in)	41 of 100 (Notable)
Visby_Flygplats	Sweden	Record high maximum temperature	26.4 C (79.5 F)	41 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Antioch	United States	Record low maximum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Big Timber	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Red Lodge	United States	Record daily precipitation	62.0 mm (2.4 in)	41 of 100 (Notable)
Woodcliff Lake	United States	Record daily precipitation	62.5 mm (2.5 in)	41 of 100 (Notable)
Livingston AP	United States	Record daily snowfall	11.7 cm (4.6 in)	41 of 100 (Notable)
Richmond Intl AP	United States	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,298 records

Records set or tied on 11 May 1981 by type: Highest daily maximum 150, Lowest daily maximum 197, Highest daily minimum 253, Lowest daily minimum 308, Heaviest daily rainfall 358, Heaviest daily snowfall 19, Deepest snow cover 13.

Records on 11 May 1981 by type
Record type	Records
Highest daily maximum	150
Lowest daily maximum	197
Highest daily minimum	253
Lowest daily minimum	308
Heaviest daily rainfall	358
Heaviest daily snowfall	19
Deepest snow cover	13

Records on 11 May 1981 by timescale: all-time 1, monthly 70, daily 1,227.

How Much Records Were Beaten By

1,101 broken records

Margins by which the 1,101 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 500.0. Ties are not counted.

Top 20 by Significance

11 May 1981

Top 20 records on 11 May 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1981	Lowell, US	monthly rain	90.2 mm (3.6 in)	36.6 mm (1.4 in)	62 years	74 of 100 (Major)
11 May 1981	Holland Wtp, US	monthly rain	104.1 mm (4.1 in)	37.0 mm (1.5 in)	52 years	72 of 100 (Major)
11 May 1981	Doylestown, US	daily rain	73.7 mm (2.9 in)	51.6 mm (2.0 in)	56 years	64 of 100 (Major)
11 May 1981	Springdale, US	monthly snowfall	30.5 cm (12.0 in)	20.3 cm (8.0 in)	27 years	61 of 100 (Major)
11 May 1981	Plainfield, US	daily rain	61.7 mm (2.4 in)	38.8 mm (1.5 in)	67 years	60 of 100 (Major)
11 May 1981	Chestertown, US	daily rain	43.4 mm (1.7 in)	27.1 mm (1.1 in)	83 years	59 of 100 (Notable)
11 May 1981	Billings Intl AP, US	monthly snowfall	38.1 cm (15.0 in)	23.6 cm (9.3 in)	14 years	57 of 100 (Notable)
11 May 1981	Campi, PT	daily rain	96.0 mm (3.8 in)	59.0 mm (2.3 in)	39 years	56 of 100 (Notable)
11 May 1981	Portage des Roches, CA	daily rain	35.6 mm (1.4 in)	22.9 mm (0.9 in)	44 years	55 of 100 (Notable)
11 May 1981	Rapelje, US	monthly snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	63 years	55 of 100 (Notable)
11 May 1981	E Stroudsburg, US	daily rain	57.7 mm (2.3 in)	28.5 mm (1.1 in)	47 years	51 of 100 (Notable)
11 May 1981	Darby, US	daily rain	29.0 mm (1.1 in)	20.4 mm (0.8 in)	32 years	50 of 100 (Notable)
11 May 1981	Owosso Wwtp, US	daily rain	64.5 mm (2.5 in)	28.4 mm (1.1 in)	38 years	49 of 100 (Notable)
11 May 1981	Audubon, US	daily rain	68.1 mm (2.7 in)	44.0 mm (1.7 in)	30 years	49 of 100 (Notable)
11 May 1981	Poughkeepsie AP, US	daily rain	65.5 mm (2.6 in)	39.6 mm (1.6 in)	28 years	49 of 100 (Notable)
11 May 1981	Neshaminy Falls, US	daily rain	61.7 mm (2.4 in)	41.6 mm (1.6 in)	12 years	48 of 100 (Notable)
11 May 1981	Lewisburg 3 N, US	daily rain	41.1 mm (1.6 in)	19.8 mm (0.8 in)	56 years	48 of 100 (Notable)
11 May 1981	Billings Intl AP, US	daily rain	53.6 mm (2.1 in)	39.4 mm (1.6 in)	16 years	48 of 100 (Notable)
11 May 1981	Hilgenroth, DE	daily rain	42.4 mm (1.7 in)	21.0 mm (0.8 in)	23 years	47 of 100 (Notable)
11 May 1981	Denton 2 E, US	daily rain	48.5 mm (1.9 in)	36.8 mm (1.4 in)	20 years	47 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

1814 to 1981

Records set or tied on this calendar date in each year from 1814 to 1981. 1981 had 1,298 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1981-05-11: 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 2026-10-16 (16 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).

Histogram of margins by which records were beaten on 11 May 1981
Margin	Records
0 to 100	1,088
100 to 200	6
200 to 300	6
300 to 400	0
400 to 500	1