Weather Records on 27 May 1985

873 weather records were set or tied worldwide on 27 May 1985. Highest significance: Certkovo, RU.

Key Facts for 27 May 1985

On 27 May 1985, 873 weather records were set or tied at long-record stations worldwide.
593 were record highs and 95 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 57 monthly and 816 daily.
Certkovo set a monthly record daily precipitation of 77.8 mm (3.1 in) on 27 May 1985.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 415 records.

Record Map

873 stations

873 station records on 27 May 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Certkovo	Russia	Record daily precipitation	77.8 mm (3.1 in)	56 of 100 (Notable)
Bogucar	Russia	Record daily precipitation	37.6 mm (1.5 in)	55 of 100 (Notable)
Bad Durkheim	Germany	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Murrhardt	Germany	Record daily precipitation	61.1 mm (2.4 in)	52 of 100 (Notable)
Leavenworth	United States	Record daily precipitation	83.6 mm (3.3 in)	50 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	51.1 mm (2.0 in)	50 of 100 (Notable)
Zdvinsk	Russia	Record daily precipitation	27.1 mm (1.1 in)	49 of 100 (Notable)
Michelstadt	Germany	Record daily precipitation	67.8 mm (2.7 in)	47 of 100 (Notable)
Hiawatha 1 S	United States	Record daily precipitation	116.8 mm (4.6 in)	46 of 100 (Notable)
Atchison	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high minimum temperature	19.5 C (67.1 F)	43 of 100 (Notable)
Colonia Escandon	Mexico	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Freeport Wwtp	United States	Record daily precipitation	62.5 mm (2.5 in)	43 of 100 (Notable)
Rottweil	Germany	Record daily precipitation	41.7 mm (1.6 in)	42 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	32.3 mm (1.3 in)	42 of 100 (Notable)
Burukan	Russia	Record daily precipitation	44.9 mm (1.8 in)	40 of 100 (Notable)
Le Roy	United States	Record daily precipitation	63.8 mm (2.5 in)	40 of 100 (Notable)
Shurabad	Armenia	Record daily precipitation	32.6 mm (1.3 in)	39 of 100 (Notable)
Redpa (Greenes Road)	Australia	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Wrixum/Fohr	Germany	Record high maximum temperature	26.5 C (79.7 F)	38 of 100 (Notable)
Zagreb-Gric	Croatia	Record high minimum temperature	18.4 C (65.1 F)	38 of 100 (Notable)
Visby_Flygplats	Sweden	Record high minimum temperature	14.1 C (57.4 F)	38 of 100 (Notable)
Klepinino	Ukraine	Record daily precipitation	39.7 mm (1.6 in)	38 of 100 (Notable)
Gull Lake Biological STN	United States	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Aachen	Germany	Record high minimum temperature	18.8 C (65.8 F)	37 of 100 (Notable)
Huehuetlan El Grande	Mexico	Record daily precipitation	39.9 mm (1.6 in)	37 of 100 (Notable)
Den Helder-1	Netherlands	Record high maximum temperature	27.5 C (81.5 F)	37 of 100 (Notable)
Tastyp	Russia	Record daily precipitation	38.8 mm (1.5 in)	37 of 100 (Notable)
South West Rocks (Smoky Cape L	Australia	Record daily precipitation	76.2 mm (3.0 in)	36 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high maximum temperature	29.6 C (85.3 F)	36 of 100 (Notable)
Chita	Russia	Record low minimum temperature	-3.2 C (26.2 F)	36 of 100 (Notable)
Gove 4W	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Sebewaing	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Schwabisch Hall-Bibersfeld	Germany	Record daily precipitation	28.5 mm (1.1 in)	35 of 100 (Notable)
Huitzuco (Smn)	Mexico	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Hiddensee-Vitte	Germany	Record high minimum temperature	17.0 C (62.6 F)	34 of 100 (Routine)
Millington 3 SE	United States	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Sonora	United States	Record high minimum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Cleveland	United States	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	15.4 C (59.7 F)	33 of 100 (Routine)
Ashton 1N	United States	Record high minimum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Gridley	United States	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Sonora	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Combolcha	Ethiopia	Record low minimum temperature	6.4 C (43.5 F)	32 of 100 (Routine)
Mogoca	Russia	Record low minimum temperature	-7.4 C (18.7 F)	32 of 100 (Routine)
Nerchinskij Zavod	Russia	Record low minimum temperature	-3.9 C (25.0 F)	32 of 100 (Routine)
Delta	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Lincoln	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Southern Cross	Australia	Record low maximum temperature	13.1 C (55.6 F)	31 of 100 (Routine)
Outtrim	Australia	Record daily precipitation	44.0 mm (1.7 in)	31 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	28.2 C (82.8 F)	31 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	27.3 C (81.1 F)	31 of 100 (Routine)
Hialeah	United States	Record low minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Morrison	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Greifswald	Germany	Record high minimum temperature	16.6 C (61.9 F)	30 of 100 (Routine)
Kiel-Kronshagen	Germany	Record high minimum temperature	17.0 C (62.6 F)	30 of 100 (Routine)
Malmo	Sweden	Record high minimum temperature	15.5 C (59.9 F)	30 of 100 (Routine)
Troy 3N	United States	Record daily precipitation	69.3 mm (2.7 in)	30 of 100 (Routine)
Antlers	United States	Record daily precipitation	78.5 mm (3.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

873 records

Records set or tied on 27 May 1985 by type: Highest daily maximum 344, Lowest daily maximum 45, Highest daily minimum 249, Lowest daily minimum 50, Heaviest daily rainfall 185.

Records on 27 May 1985 by type
Record type	Records
Highest daily maximum	344
Lowest daily maximum	45
Highest daily minimum	249
Lowest daily minimum	50
Heaviest daily rainfall	185
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 May 1985 by timescale: all-time 0, monthly 57, daily 816.

How Much Records Were Beaten By

747 broken records

Margins by which the 747 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.9. Ties are not counted.

Top 20 by Significance

27 May 1985

Top 20 records on 27 May 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1985	Certkovo, RU	monthly rain	77.8 mm (3.1 in)	33.8 mm (1.3 in)	8 years	56 of 100 (Notable)
27 May 1985	Bogucar, RU	daily rain	37.6 mm (1.5 in)	24.8 mm (1.0 in)	40 years	55 of 100 (Notable)
27 May 1985	Bad Durkheim, DE	daily rain	45.2 mm (1.8 in)	31.6 mm (1.2 in)	32 years	52 of 100 (Notable)
27 May 1985	Murrhardt, DE	daily rain	61.1 mm (2.4 in)	43.8 mm (1.7 in)	32 years	52 of 100 (Notable)
27 May 1985	Leavenworth, US	daily rain	83.6 mm (3.3 in)	29.8 mm (1.2 in)	70 years	50 of 100 (Notable)
27 May 1985	Adrian 2 NNE, US	daily rain	51.1 mm (2.0 in)	22.1 mm (0.9 in)	72 years	50 of 100 (Notable)
27 May 1985	Zdvinsk, RU	daily rain	27.1 mm (1.1 in)	15.3 mm (0.6 in)	14 years	49 of 100 (Notable)
27 May 1985	Michelstadt, DE	daily rain	67.8 mm (2.7 in)	46.7 mm (1.8 in)	14 years	47 of 100 (Notable)
27 May 1985	Hiawatha 1 S, US	daily rain	116.8 mm (4.6 in)	88.9 mm (3.5 in)	12 years	46 of 100 (Notable)
27 May 1985	Atchison, US	daily rain	66.0 mm (2.6 in)	20.5 mm (0.8 in)	70 years	45 of 100 (Notable)
27 May 1985	Kirchdorf/Poel, DE	monthly high min	19.5 C (67.1 F)	2.0 C (3.6 F)	63 years	43 of 100 (Notable)
27 May 1985	Colonia Escandon, MX	daily rain	38.9 mm (1.5 in)	25.4 mm (1.0 in)	20 years	43 of 100 (Notable)
27 May 1985	Freeport Wwtp, US	daily rain	62.5 mm (2.5 in)	46.2 mm (1.8 in)	3 years	43 of 100 (Notable)
27 May 1985	Rottweil, DE	daily rain	41.7 mm (1.6 in)	17.3 mm (0.7 in)	32 years	42 of 100 (Notable)
27 May 1985	Darlington Wwtp, US	daily rain	32.3 mm (1.3 in)	11.0 mm (0.4 in)	82 years	42 of 100 (Notable)
27 May 1985	Burukan, RU	monthly rain	44.9 mm (1.8 in)	9.7 mm (0.38 in)	32 years	40 of 100 (Notable)
27 May 1985	Le Roy, US	daily rain	63.8 mm (2.5 in)	21.6 mm (0.9 in)	64 years	40 of 100 (Notable)
27 May 1985	Shurabad, AM	daily rain	32.6 mm (1.3 in)	17.7 mm (0.7 in)	39 years	39 of 100 (Notable)
27 May 1985	Redpa (Greenes Road), AU	daily rain	37.6 mm (1.5 in)	20.3 mm (0.8 in)	28 years	38 of 100 (Notable)
27 May 1985	Wrixum/Fohr, DE	daily high max	26.5 C (79.7 F)	1.0 C (1.8 F)	92 years	38 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 1985

Records set or tied on this calendar date in each year from 1797 to 1985. 1985 had 873 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 1985-05-27: 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 20	723
20 to 40	19
40 to 60	4
60 to 80	0
80 to 100	1