Weather Records on 27 May 1998

1,079 weather records were set or tied worldwide on 27 May 1998. Highest significance: Heron 2 NW, US.

Key Facts for 27 May 1998

On 27 May 1998, 1,079 weather records were set or tied at long-record stations worldwide.
326 were record highs and 428 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 29 monthly and 1,043 daily.
Heron 2 NW set a monthly record daily precipitation of 71.1 mm (2.8 in) on 27 May 1998.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 414 records.

Record Map

1,079 stations

1,079 station records on 27 May 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Heron 2 NW	United States	Record daily precipitation	71.1 mm (2.8 in)	79 of 100 (Major)
Libby 1 NE Rs	United States	Record daily precipitation	79.0 mm (3.1 in)	74 of 100 (Major)
Conconully	United States	Record daily precipitation	41.9 mm (1.6 in)	74 of 100 (Major)
Troy	United States	Record daily precipitation	84.8 mm (3.3 in)	73 of 100 (Major)
Montelimar	France	Record daily precipitation	101.0 mm (4.0 in)	67 of 100 (Major)
East Park Rsvr	United States	Record daily precipitation	30.5 mm (1.2 in)	67 of 100 (Major)
Bonners Ferry	United States	Record daily precipitation	52.8 mm (2.1 in)	67 of 100 (Major)
Cabinet Gorge	United States	Record daily precipitation	67.1 mm (2.6 in)	66 of 100 (Major)
Dehradun	India	Record daily precipitation	52.1 mm (2.1 in)	63 of 100 (Major)
Superior	United States	Record daily precipitation	38.1 mm (1.5 in)	60 of 100 (Major)
Libby 32 SSE	United States	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Bayview Model Basin	United States	Record daily precipitation	32.8 mm (1.3 in)	55 of 100 (Notable)
Mount Phillip	Australia	Record daily precipitation	36.2 mm (1.4 in)	53 of 100 (Notable)
Northport	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Newport	United States	Record daily precipitation	59.4 mm (2.3 in)	52 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	3.3 C (37.9 F)	51 of 100 (Notable)
Fortine 1 N	United States	Record daily precipitation	38.9 mm (1.5 in)	51 of 100 (Notable)
Idaho City	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Joseph	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Stonyford	United States	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Whitefish	United States	Record daily precipitation	34.3 mm (1.4 in)	49 of 100 (Notable)
Omak 4 N	United States	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Coodardy	Australia	Record daily precipitation	40.0 mm (1.6 in)	48 of 100 (Notable)
Bodie California St Historic P	United States	Record low minimum temperature	-12.8 C (9.0 F)	48 of 100 (Notable)
Priest Rvr Exp STN	United States	Record daily precipitation	84.8 mm (3.3 in)	48 of 100 (Notable)
Hamelin Pool	Australia	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Sandpoint Exp STN	United States	Record daily precipitation	74.9 mm (2.9 in)	47 of 100 (Notable)
Cue	Australia	Record daily precipitation	33.4 mm (1.3 in)	46 of 100 (Notable)
St. Brandon (St. Ra	Mauritius	Record daily precipitation	110.0 mm (4.3 in)	46 of 100 (Notable)
Bartow 1SE	United States	Record high minimum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Trout Creek Rs	United States	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Stephenville Clark Fld	United States	Record daily precipitation	102.9 mm (4.1 in)	45 of 100 (Notable)
Porthill	United States	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Thompson Falls Ph	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Loris 2 S	United States	Record daily precipitation	78.2 mm (3.1 in)	44 of 100 (Notable)
Guanacevi (Smn)	Mexico	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Fulton	United States	Record daily precipitation	94.0 mm (3.7 in)	43 of 100 (Notable)
Susanville 2SW	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Idaho City	United States	Record daily precipitation	26.9 mm (1.1 in)	43 of 100 (Notable)
Stehekin 4 NW	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Winthrop 1 WSW	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Creston	United States	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
Onslow	Australia	Record daily precipitation	59.6 mm (2.3 in)	41 of 100 (Notable)
Manfred	Australia	Record daily precipitation	47.6 mm (1.9 in)	41 of 100 (Notable)
Willows 6 W	United States	Record low maximum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Coeur D'Alene	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Richfield	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	17.8 cm (7.0 in)	40 of 100 (Notable)
Wellpinit	United States	Record daily precipitation	35.8 mm (1.4 in)	40 of 100 (Notable)
Pointe Noire	Congo (Brazzaville)	Record high maximum temperature	34.0 C (93.2 F)	39 of 100 (Notable)
Lake Spaulding	United States	Record low maximum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Strawberry Valley 2	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Payette	United States	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Red Springs 1 SE	United States	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Deadwood	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Deland 1 SSE	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Jerome	United States	Record low maximum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Burkett	United States	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Cleburne	United States	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Colfax	United States	Record low maximum temperature	11.7 C (53.1 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,079 records

Records set or tied on 27 May 1998 by type: Highest daily maximum 140, Lowest daily maximum 271, Highest daily minimum 186, Lowest daily minimum 157, Heaviest daily rainfall 306, Heaviest daily snowfall 10, Deepest snow cover 9.

Records on 27 May 1998 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	271
Highest daily minimum	186
Lowest daily minimum	157
Heaviest daily rainfall	306
Heaviest daily snowfall	10
Deepest snow cover	9

Records on 27 May 1998 by timescale: all-time 7, monthly 29, daily 1,043.

How Much Records Were Beaten By

843 broken records

Margins by which the 843 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

27 May 1998

Top 20 records on 27 May 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1998	Heron 2 NW, US	monthly rain	71.1 mm (2.8 in)	26.6 mm (1.0 in)	73 years	79 of 100 (Major)
27 May 1998	Libby 1 NE Rs, US	all-time rain	79.0 mm (3.1 in)	23.6 mm (0.9 in)	13 years	74 of 100 (Major)
27 May 1998	Conconully, US	daily rain	41.9 mm (1.6 in)	23.6 mm (0.9 in)	88 years	74 of 100 (Major)
27 May 1998	Troy, US	all-time rain	84.8 mm (3.3 in)	31.7 mm (1.2 in)	33 years	73 of 100 (Major)
27 May 1998	Montelimar, FR	daily rain	101.0 mm (4.0 in)	65.8 mm (2.6 in)	68 years	67 of 100 (Major)
27 May 1998	East Park Rsvr, US	daily rain	30.5 mm (1.2 in)	19.1 mm (0.8 in)	84 years	67 of 100 (Major)
27 May 1998	Bonners Ferry, US	monthly rain	52.8 mm (2.1 in)	22.1 mm (0.9 in)	28 years	67 of 100 (Major)
27 May 1998	Cabinet Gorge, US	monthly rain	67.1 mm (2.6 in)	30.3 mm (1.2 in)	41 years	66 of 100 (Major)
27 May 1998	Dehradun, IN	daily rain	52.1 mm (2.1 in)	38.6 mm (1.5 in)	60 years	63 of 100 (Major)
27 May 1998	Superior, US	daily rain	38.1 mm (1.5 in)	17.0 mm (0.7 in)	79 years	60 of 100 (Major)
27 May 1998	Libby 32 SSE, US	monthly rain	54.4 mm (2.1 in)	24.2 mm (1.0 in)	1 year	58 of 100 (Notable)
27 May 1998	Bayview Model Basin, US	daily rain	32.8 mm (1.3 in)	20.1 mm (0.8 in)	41 years	55 of 100 (Notable)
27 May 1998	Mount Phillip, AU	daily rain	36.2 mm (1.4 in)	24.3 mm (1.0 in)	76 years	53 of 100 (Notable)
27 May 1998	Northport, US	monthly rain	53.3 mm (2.1 in)	15.7 mm (0.6 in)	19 years	53 of 100 (Notable)
27 May 1998	Newport, US	daily rain	59.4 mm (2.3 in)	47.2 mm (1.9 in)	12 years	52 of 100 (Notable)
27 May 1998	Idaho City, US	monthly low max	3.3 C (37.9 F)	0.6 C (1.1 F)	102 years	51 of 100 (Notable)
27 May 1998	Fortine 1 N, US	daily rain	38.9 mm (1.5 in)	17.6 mm (0.7 in)	36 years	51 of 100 (Notable)
27 May 1998	Idaho City, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	102 years	50 of 100 (Notable)
27 May 1998	Joseph, US	daily snowfall	5.1 cm (2.0 in)	4.3 cm (1.7 in)	102 years	50 of 100 (Notable)
27 May 1998	Stonyford, US	daily rain	30.0 mm (1.2 in)	23.9 mm (0.9 in)	4 years	49 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 1998

Records set or tied on this calendar date in each year from 1797 to 1998. 1998 had 1,079 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 1998-05-27: 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).

Histogram of margins by which records were beaten on 27 May 1998
Margin	Records
0 to 100	839
100 to 200	3
200 to 300	0
300 to 400	0
400 to 500	1