Weather Records on 30 May 1990

983 weather records were set or tied worldwide on 30 May 1990. Highest significance: Covelo, US.

Key Facts for 30 May 1990

On 30 May 1990, 983 weather records were set or tied at long-record stations worldwide.
281 were record highs and 305 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 45 monthly and 934 daily.
Covelo set a daily record precipitation of 37.3 mm (1.5 in) on 30 May 1990.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 435 records.

Record Map

983 stations

983 station records on 30 May 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Covelo	United States	Record daily precipitation	37.3 mm (1.5 in)	62 of 100 (Major)
Brusque (Pcd)	Brazil	Record daily precipitation	64.0 mm (2.5 in)	59 of 100 (Notable)
Ibirama (Pcd)	Brazil	Record daily precipitation	92.1 mm (3.6 in)	59 of 100 (Notable)
Elk City 4 W	United States	Record daily precipitation	105.2 mm (4.1 in)	56 of 100 (Notable)
Guilin	China	Record daily precipitation	136.5 mm (5.4 in)	55 of 100 (Notable)
Willits 1 NE	United States	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Taio (Pcd)	Brazil	Record daily precipitation	88.5 mm (3.5 in)	52 of 100 (Notable)
Orleans	United States	Record daily precipitation	38.9 mm (1.5 in)	52 of 100 (Notable)
Clarendon	United States	Record daily precipitation	98.3 mm (3.9 in)	52 of 100 (Notable)
Nowendoc (Beaufort)	Australia	Record daily precipitation	27.8 mm (1.1 in)	51 of 100 (Notable)
Seymour 3NW	United States	Record daily precipitation	79.2 mm (3.1 in)	51 of 100 (Notable)
Chichester Dam	Australia	Record daily precipitation	57.0 mm (2.2 in)	50 of 100 (Notable)
Sonora	United States	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
Paim Filho	Brazil	Record daily precipitation	108.0 mm (4.3 in)	49 of 100 (Notable)
Gold Run 4 SW	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Cowra Ag Research Station	Australia	Record daily precipitation	31.6 mm (1.2 in)	48 of 100 (Notable)
Apiuna -Regua Nova (Pcd)	Brazil	Record daily precipitation	86.7 mm (3.4 in)	48 of 100 (Notable)
Ebor (Kotupna)	Australia	Record daily precipitation	51.4 mm (2.0 in)	47 of 100 (Notable)
Warnow	Brazil	Record daily precipitation	76.9 mm (3.0 in)	46 of 100 (Notable)
Fazenda Boa Esperanca	Brazil	Record daily precipitation	63.6 mm (2.5 in)	46 of 100 (Notable)
Vetluga	Russia	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Shreveport	United States	Record daily precipitation	83.8 mm (3.3 in)	45 of 100 (Notable)
Hannam Vale (Hannam Vale Road)	Australia	Record daily precipitation	55.0 mm (2.2 in)	43 of 100 (Notable)
Bandon 2 NNE	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Timbo Novo (Pcd)	Brazil	Record daily precipitation	65.0 mm (2.6 in)	42 of 100 (Notable)
Pouso Redondo	Brazil	Record daily precipitation	75.6 mm (3.0 in)	42 of 100 (Notable)
Niznij Novgorod	Russia	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Cheyenne 1 WSW	United States	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Innsbruck	Austria	Record low minimum temperature	2.5 C (36.5 F)	41 of 100 (Notable)
Passo Nova Erechim	Brazil	Record daily precipitation	98.0 mm (3.9 in)	41 of 100 (Notable)
Garcia	Brazil	Record daily precipitation	63.2 mm (2.5 in)	41 of 100 (Notable)
Vjazemskaja	Russia	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Blue Hill Coop	United States	Record daily precipitation	52.1 mm (2.1 in)	41 of 100 (Notable)
Gustavus	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Ebor (the Racecourse)	Australia	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Trombudo Central	Brazil	Record daily precipitation	72.2 mm (2.8 in)	40 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Kit Carson	United States	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Eastport	United States	Record daily precipitation	58.9 mm (2.3 in)	40 of 100 (Notable)
Ipswich	United States	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Wilkes Barre	United States	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Emory	United States	Record daily precipitation	72.6 mm (2.9 in)	40 of 100 (Notable)
Greenview	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Sterling	United States	Record daily precipitation	99.1 mm (3.9 in)	39 of 100 (Notable)
Virginia City	United States	Record low maximum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Langlois #2	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Vale	United States	Record low maximum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Bulby Brush (Blue Look-Out)	Australia	Record daily precipitation	25.8 mm (1.0 in)	38 of 100 (Notable)
Graz	Austria	Record low minimum temperature	4.1 C (39.4 F)	38 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record low minimum temperature	-4.5 C (23.9 F)	38 of 100 (Notable)
Jalacingo	Mexico	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Uzur	Russia	Record daily precipitation	32.2 mm (1.3 in)	38 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Stroud Post Office	Australia	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Doutor Pedrinho	Brazil	Record daily precipitation	63.4 mm (2.5 in)	37 of 100 (Notable)
Major Gercino	Brazil	Record daily precipitation	56.0 mm (2.2 in)	37 of 100 (Notable)
Nova Bremen	Brazil	Record daily precipitation	97.2 mm (3.8 in)	37 of 100 (Notable)
Stonington	United States	Record daily precipitation	79.5 mm (3.1 in)	37 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record low minimum temperature	-1.7 C (28.9 F)	37 of 100 (Notable)
Everett	United States	Record low maximum temperature	11.7 C (53.1 F)	37 of 100 (Notable)

Counts by Type and Timescale

983 records

Records set or tied on 30 May 1990 by type: Highest daily maximum 104, Lowest daily maximum 129, Highest daily minimum 177, Lowest daily minimum 176, Heaviest daily rainfall 395, Heaviest daily snowfall 2.

Records on 30 May 1990 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	129
Highest daily minimum	177
Lowest daily minimum	176
Heaviest daily rainfall	395
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 30 May 1990 by timescale: all-time 4, monthly 45, daily 934.

How Much Records Were Beaten By

809 broken records

Margins by which the 809 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.6. Ties are not counted.

Top 20 by Significance

30 May 1990

Top 20 records on 30 May 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1990	Covelo, US	daily rain	37.3 mm (1.5 in)	32.0 mm (1.3 in)	44 years	62 of 100 (Major)
30 May 1990	Brusque (Pcd), BR	daily rain	64.0 mm (2.5 in)	54.2 mm (2.1 in)	47 years	59 of 100 (Notable)
30 May 1990	Ibirama (Pcd), BR	daily rain	92.1 mm (3.6 in)	73.0 mm (2.9 in)	47 years	59 of 100 (Notable)
30 May 1990	Elk City 4 W, US	daily rain	105.2 mm (4.1 in)	77.5 mm (3.1 in)	27 years	56 of 100 (Notable)
30 May 1990	Guilin, CN	daily rain	136.5 mm (5.4 in)	103.6 mm (4.1 in)	36 years	55 of 100 (Notable)
30 May 1990	Willits 1 NE, US	daily rain	25.4 mm (1.0 in)	25.1 mm (1.0 in)	28 years	53 of 100 (Notable)
30 May 1990	Taio (Pcd), BR	daily rain	88.5 mm (3.5 in)	48.7 mm (1.9 in)	47 years	52 of 100 (Notable)
30 May 1990	Orleans, US	daily rain	38.9 mm (1.5 in)	20.4 mm (0.8 in)	64 years	52 of 100 (Notable)
30 May 1990	Clarendon, US	daily rain	98.3 mm (3.9 in)	69.1 mm (2.7 in)	19 years	52 of 100 (Notable)
30 May 1990	Nowendoc (Beaufort), AU	daily rain	27.8 mm (1.1 in)	13.3 mm (0.5 in)	103 years	51 of 100 (Notable)
30 May 1990	Seymour 3NW, US	daily rain	79.2 mm (3.1 in)	38.1 mm (1.5 in)	76 years	51 of 100 (Notable)
30 May 1990	Chichester Dam, AU	daily rain	57.0 mm (2.2 in)	53.4 mm (2.1 in)	40 years	50 of 100 (Notable)
30 May 1990	Sonora, US	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	80 years	50 of 100 (Notable)
30 May 1990	Paim Filho, BR	daily rain	108.0 mm (4.3 in)	86.2 mm (3.4 in)	20 years	49 of 100 (Notable)
30 May 1990	Gold Run 4 SW, US	daily rain	55.9 mm (2.2 in)	45.5 mm (1.8 in)	28 years	49 of 100 (Notable)
30 May 1990	Cowra Ag Research Station, AU	daily rain	31.6 mm (1.2 in)	13.6 mm (0.5 in)	76 years	48 of 100 (Notable)
30 May 1990	Apiuna -Regua Nova (Pcd), BR	daily rain	86.7 mm (3.4 in)	68.1 mm (2.7 in)	11 years	48 of 100 (Notable)
30 May 1990	Ebor (Kotupna), AU	daily rain	51.4 mm (2.0 in)	22.2 mm (0.9 in)	71 years	47 of 100 (Notable)
30 May 1990	Warnow, BR	daily rain	76.9 mm (3.0 in)	66.1 mm (2.6 in)	4 years	46 of 100 (Notable)
30 May 1990	Fazenda Boa Esperanca, BR	daily rain	63.6 mm (2.5 in)	54.0 mm (2.1 in)	12 years	46 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

1818 to 1990

Records set or tied on this calendar date in each year from 1818 to 1990. 1990 had 983 records.

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

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 1990-05-30: 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	729
20 to 40	49
40 to 60	22
60 to 80	7
80 to 100	1
100 to 120	1