Weather Records on 27 May 1973

943 weather records were set or tied worldwide on 27 May 1973. Highest significance: Edina, US.

Key Facts for 27 May 1973

On 27 May 1973, 943 weather records were set or tied at long-record stations worldwide.
157 were record highs and 309 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 46 monthly and 891 daily.
Edina set a monthly record daily precipitation of 94.0 mm (3.7 in) on 27 May 1973.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

943 stations

943 station records on 27 May 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Edina	United States	Record daily precipitation	94.0 mm (3.7 in)	82 of 100 (Exceptional)
Keokuk L&D 19	United States	Record daily precipitation	117.1 mm (4.6 in)	75 of 100 (Major)
Mc Minnville	United States	Record daily precipitation	172.2 mm (6.8 in)	75 of 100 (Major)
Knoxville	United States	Record daily precipitation	64.5 mm (2.5 in)	71 of 100 (Major)
Albion	United States	Record daily precipitation	79.8 mm (3.1 in)	68 of 100 (Major)
Quincy	United States	Record daily precipitation	84.1 mm (3.3 in)	67 of 100 (Major)
Osceola	United States	Record daily precipitation	121.9 mm (4.8 in)	67 of 100 (Major)
Palmetto	United States	Record daily precipitation	93.5 mm (3.7 in)	65 of 100 (Major)
Pella 1S	United States	Record daily precipitation	61.5 mm (2.4 in)	64 of 100 (Major)
Stereguscij	Ukraine	Record daily precipitation	45.7 mm (1.8 in)	63 of 100 (Major)
Wappapello Dam	United States	Record daily precipitation	214.6 mm (8.4 in)	63 of 100 (Major)
Tullahoma	United States	Record daily precipitation	149.1 mm (5.9 in)	61 of 100 (Major)
Cullculli	Australia	Record daily precipitation	56.4 mm (2.2 in)	60 of 100 (Major)
Bloomfield	United States	Record daily precipitation	66.5 mm (2.6 in)	60 of 100 (Major)
Brejo da Madre de Deus	Brazil	Record daily precipitation	94.0 mm (3.7 in)	59 of 100 (Notable)
Tobermory	Canada	Record daily precipitation	38.9 mm (1.5 in)	59 of 100 (Notable)
Green Bay	United States	Record daily precipitation	56.4 mm (2.2 in)	59 of 100 (Notable)
Shawneetown Old Town	United States	Record daily precipitation	75.2 mm (3.0 in)	57 of 100 (Notable)
Wood	United States	Record daily precipitation	72.1 mm (2.8 in)	56 of 100 (Notable)
Golden	United States	Record daily precipitation	74.2 mm (2.9 in)	55 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	70.4 mm (2.8 in)	55 of 100 (Notable)
Tashkent	Uzbekistan	Record daily precipitation	29.2 mm (1.1 in)	55 of 100 (Notable)
River Falls	United States	Record daily precipitation	95.5 mm (3.8 in)	54 of 100 (Notable)
Kahoka	United States	Record daily precipitation	163.3 mm (6.4 in)	54 of 100 (Notable)
Maneroo	Australia	Record daily precipitation	72.1 mm (2.8 in)	53 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	64.8 mm (2.6 in)	53 of 100 (Notable)
Bradshaw	United States	Record daily precipitation	65.3 mm (2.6 in)	53 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	57.2 mm (2.3 in)	53 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	48.8 mm (1.9 in)	53 of 100 (Notable)
Deadwood	United States	Record daily precipitation	61.2 mm (2.4 in)	53 of 100 (Notable)
Midland	United States	Record daily precipitation	49.3 mm (1.9 in)	53 of 100 (Notable)
Andalusia 3 W	United States	Record daily precipitation	91.4 mm (3.6 in)	52 of 100 (Notable)
Evergreen	United States	Record daily precipitation	78.7 mm (3.1 in)	52 of 100 (Notable)
Lake Mills Wwtp	United States	Record daily precipitation	62.2 mm (2.4 in)	52 of 100 (Notable)
Unionville	United States	Record daily precipitation	91.9 mm (3.6 in)	51 of 100 (Notable)
Cogla Downs	Australia	Record daily precipitation	39.4 mm (1.6 in)	50 of 100 (Notable)
Highland Home	United States	Record daily precipitation	66.3 mm (2.6 in)	50 of 100 (Notable)
Geneva	United States	Record daily precipitation	82.6 mm (3.3 in)	49 of 100 (Notable)
Adel 2 S	United States	Record daily precipitation	84.3 mm (3.3 in)	49 of 100 (Notable)
Brookport Dam 52	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Golconda River	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Brunswick	United States	Record daily precipitation	77.5 mm (3.1 in)	49 of 100 (Notable)
Hopewell 1 SE	United States	Record daily precipitation	51.6 mm (2.0 in)	49 of 100 (Notable)
Vivian	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	62.0 mm (2.4 in)	48 of 100 (Notable)
Wahoo	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Martin	United States	Record daily precipitation	60.5 mm (2.4 in)	48 of 100 (Notable)
Miller	United States	Record daily precipitation	46.7 mm (1.8 in)	48 of 100 (Notable)
Appleton	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Elba	United States	Record daily precipitation	86.4 mm (3.4 in)	47 of 100 (Notable)
Fullerton	United States	Record daily precipitation	86.4 mm (3.4 in)	47 of 100 (Notable)
Selmer	United States	Record daily precipitation	101.6 mm (4.0 in)	47 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Gore Bay	Canada	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Bainbridge	United States	Record daily precipitation	76.5 mm (3.0 in)	46 of 100 (Notable)
Kennebec	United States	Record daily precipitation	58.9 mm (2.3 in)	46 of 100 (Notable)
Lead	United States	Record daily snowfall	25.4 cm (10.0 in)	46 of 100 (Notable)
Wessington Springs	United States	Record daily precipitation	50.5 mm (2.0 in)	46 of 100 (Notable)
White Lake	United States	Record daily precipitation	69.9 mm (2.8 in)	46 of 100 (Notable)
Harrisburg	United States	Record daily precipitation	86.4 mm (3.4 in)	45 of 100 (Notable)

Counts by Type and Timescale

943 records

Records set or tied on 27 May 1973 by type: Highest daily maximum 78, Lowest daily maximum 164, Highest daily minimum 79, Lowest daily minimum 145, Heaviest daily rainfall 471, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 27 May 1973 by type
Record type	Records
Highest daily maximum	78
Lowest daily maximum	164
Highest daily minimum	79
Lowest daily minimum	145
Heaviest daily rainfall	471
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 27 May 1973 by timescale: all-time 6, monthly 46, daily 891.

How Much Records Were Beaten By

774 broken records

Margins by which the 774 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

27 May 1973

Top 20 records on 27 May 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1973	Edina, US	monthly rain	94.0 mm (3.7 in)	42.9 mm (1.7 in)	80 years	82 of 100 (Exceptional)
27 May 1973	Keokuk L&D 19, US	monthly rain	117.1 mm (4.6 in)	42.4 mm (1.7 in)	63 years	75 of 100 (Major)
27 May 1973	Mc Minnville, US	monthly rain	172.2 mm (6.8 in)	57.1 mm (2.2 in)	56 years	75 of 100 (Major)
27 May 1973	Knoxville, US	daily rain	64.5 mm (2.5 in)	46.5 mm (1.8 in)	76 years	71 of 100 (Major)
27 May 1973	Albion, US	daily rain	79.8 mm (3.1 in)	47.0 mm (1.9 in)	73 years	68 of 100 (Major)
27 May 1973	Quincy, US	daily rain	84.1 mm (3.3 in)	47.3 mm (1.9 in)	67 years	67 of 100 (Major)
27 May 1973	Osceola, US	monthly rain	121.9 mm (4.8 in)	34.8 mm (1.4 in)	77 years	67 of 100 (Major)
27 May 1973	Palmetto, US	daily rain	93.5 mm (3.7 in)	55.4 mm (2.2 in)	58 years	65 of 100 (Major)
27 May 1973	Pella 1S, US	daily rain	61.5 mm (2.4 in)	42.4 mm (1.7 in)	74 years	64 of 100 (Major)
27 May 1973	Stereguscij, UA	monthly rain	45.7 mm (1.8 in)	21.7 mm (0.9 in)	35 years	63 of 100 (Major)
27 May 1973	Wappapello Dam, US	all-time rain	214.6 mm (8.4 in)	58.4 mm (2.3 in)	9 years	63 of 100 (Major)
27 May 1973	Tullahoma, US	monthly rain	149.1 mm (5.9 in)	60.2 mm (2.4 in)	13 years	61 of 100 (Major)
27 May 1973	Cullculli, AU	daily rain	56.4 mm (2.2 in)	38.6 mm (1.5 in)	52 years	60 of 100 (Major)
27 May 1973	Bloomfield, US	daily rain	66.5 mm (2.6 in)	47.4 mm (1.9 in)	59 years	60 of 100 (Major)
27 May 1973	Brejo da Madre de Deus, BR	monthly rain	94.0 mm (3.7 in)	30.2 mm (1.2 in)	51 years	59 of 100 (Notable)
27 May 1973	Tobermory, CA	daily rain	38.9 mm (1.5 in)	21.1 mm (0.8 in)	83 years	59 of 100 (Notable)
27 May 1973	Green Bay, US	daily rain	56.4 mm (2.2 in)	27.7 mm (1.1 in)	64 years	59 of 100 (Notable)
27 May 1973	Shawneetown Old Town, US	daily rain	75.2 mm (3.0 in)	46.2 mm (1.8 in)	54 years	57 of 100 (Notable)
27 May 1973	Wood, US	daily rain	72.1 mm (2.8 in)	44.4 mm (1.7 in)	34 years	56 of 100 (Notable)
27 May 1973	Golden, US	daily rain	74.2 mm (2.9 in)	35.3 mm (1.4 in)	55 years	55 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

1797 to 1973

Records set or tied on this calendar date in each year from 1797 to 1973. 1973 had 943 records.

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

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1973-05-27: 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	756
50 to 100	15
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	1