Weather Records on 30 May 1991

1,264 weather records were set or tied worldwide on 30 May 1991. Highest significance: Ft Wayne Intl AP, US.

Key Facts for 30 May 1991

On 30 May 1991, 1,264 weather records were set or tied at long-record stations worldwide.
816 were record highs and 176 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 135 monthly and 1,128 daily.
Ft Wayne Intl AP set a monthly record daily precipitation of 110.5 mm (4.4 in) on 30 May 1991.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 434 records.

Record Map

1,264 stations

1,264 station records on 30 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ft Wayne Intl AP	United States	Record daily precipitation	110.5 mm (4.4 in)	61 of 100 (Major)
Fayette	United States	Record daily precipitation	85.1 mm (3.4 in)	59 of 100 (Notable)
Club Crocodile Resort	Australia	Record daily precipitation	121.0 mm (4.8 in)	58 of 100 (Notable)
Shepetivka	Ukraine	Record daily precipitation	37.7 mm (1.5 in)	57 of 100 (Notable)
Laverton	Australia	Record daily precipitation	46.4 mm (1.8 in)	56 of 100 (Notable)
Raymond Terrace Post Office	Australia	Record daily precipitation	72.2 mm (2.8 in)	56 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	30.7 mm (1.2 in)	55 of 100 (Notable)
Newton	United States	Record daily precipitation	52.8 mm (2.1 in)	54 of 100 (Notable)
Karam	Russia	Record daily precipitation	25.9 mm (1.0 in)	50 of 100 (Notable)
Virginia City	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Enterprise	United States	Record daily precipitation	36.8 mm (1.4 in)	50 of 100 (Notable)
Bodie California St Historic P	United States	Record daily snowfall	7.4 cm (2.9 in)	49 of 100 (Notable)
Corry	United States	Record high minimum temperature	20.6 C (69.1 F)	49 of 100 (Notable)
Ice Harbor Dam	United States	Record daily precipitation	25.7 mm (1.0 in)	49 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low minimum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Raymond Terrace (Wallaroo Stat	Australia	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Mattoon	United States	Record high minimum temperature	22.8 C (73.0 F)	47 of 100 (Notable)
Elwood	United States	Record daily precipitation	51.6 mm (2.0 in)	47 of 100 (Notable)
Manhattan	United States	Record daily precipitation	56.4 mm (2.2 in)	47 of 100 (Notable)
Cando 1E	United States	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Oberlin	United States	Record high minimum temperature	22.8 C (73.0 F)	47 of 100 (Notable)
Manderson 3 NE	United States	Record daily precipitation	50.8 mm (2.0 in)	47 of 100 (Notable)
Goodman Sanitary Dist	United States	Record daily precipitation	75.4 mm (3.0 in)	47 of 100 (Notable)
Upper Sandusky	United States	Record high minimum temperature	22.8 C (73.0 F)	46 of 100 (Notable)
Armavir	Russia	Record daily precipitation	50.1 mm (2.0 in)	45 of 100 (Notable)
Chornobyl	Ukraine	Record daily precipitation	39.1 mm (1.5 in)	45 of 100 (Notable)
Ottawa 4SW	United States	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Raymond Terrace (Kinross)	Australia	Record daily precipitation	63.0 mm (2.5 in)	44 of 100 (Notable)
Williamtown Raaf	Australia	Record daily precipitation	54.0 mm (2.1 in)	44 of 100 (Notable)
McKeesport	United States	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
La Plata 1 W	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Osceola	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Mio Hydro Plt	United States	Record daily precipitation	27.4 mm (1.1 in)	40 of 100 (Notable)
Jefferson City Wtp	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Kaspiyskiy	Russia	Record daily precipitation	27.8 mm (1.1 in)	39 of 100 (Notable)
Seymour 1 WSW	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
State College	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Golden	United States	Record daily precipitation	91.4 mm (3.6 in)	38 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Frederick Police Brks	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Marble Hill	United States	Record high minimum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Norwalk Wwtp	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Ashland	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Dale Enterprise	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Pocahontas 1	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Brooklet 1 W	United States	Record daily precipitation	68.8 mm (2.7 in)	37 of 100 (Notable)
Effingham 3SW	United States	Record daily precipitation	57.4 mm (2.3 in)	37 of 100 (Notable)
Durham	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Edenton	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Derry 4 SW	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Soldier Summit	United States	Record low maximum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Marble Bar Comparison	Australia	Record high minimum temperature	21.4 C (70.5 F)	36 of 100 (Notable)
Greensburg	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Heidelberg	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Steffenville	United States	Record daily precipitation	46.5 mm (1.8 in)	36 of 100 (Notable)
Port Jervis	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Waynesville 1 E	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Bayard	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Kljuchi	Russia	Record high minimum temperature	12.6 C (54.7 F)	35 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record high minimum temperature	4.9 C (40.8 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,264 records

Records set or tied on 30 May 1991 by type: Highest daily maximum 227, Lowest daily maximum 114, Highest daily minimum 589, Lowest daily minimum 62, Heaviest daily rainfall 264, Heaviest daily snowfall 8.

Records on 30 May 1991 by type
Record type	Records
Highest daily maximum	227
Lowest daily maximum	114
Highest daily minimum	589
Lowest daily minimum	62
Heaviest daily rainfall	264
Heaviest daily snowfall	8
Deepest snow cover	0

Records on 30 May 1991 by timescale: all-time 1, monthly 135, daily 1,128.

How Much Records Were Beaten By

897 broken records

Margins by which the 897 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.6. Ties are not counted.

Top 20 by Significance

30 May 1991

Top 20 records on 30 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1991	Ft Wayne Intl AP, US	monthly rain	110.5 mm (4.4 in)	41.4 mm (1.6 in)	23 years	61 of 100 (Major)
30 May 1991	Fayette, US	daily rain	85.1 mm (3.4 in)	57.9 mm (2.3 in)	33 years	59 of 100 (Notable)
30 May 1991	Club Crocodile Resort, AU	daily rain	121.0 mm (4.8 in)	96.6 mm (3.8 in)	52 years	58 of 100 (Notable)
30 May 1991	Shepetivka, UA	daily rain	37.7 mm (1.5 in)	27.2 mm (1.1 in)	36 years	57 of 100 (Notable)
30 May 1991	Laverton, AU	daily rain	46.4 mm (1.8 in)	28.1 mm (1.1 in)	25 years	56 of 100 (Notable)
30 May 1991	Raymond Terrace Post Office, AU	daily rain	72.2 mm (2.8 in)	31.1 mm (1.2 in)	77 years	56 of 100 (Notable)
30 May 1991	Warren 3 S, US	daily rain	30.7 mm (1.2 in)	17.5 mm (0.7 in)	86 years	55 of 100 (Notable)
30 May 1991	Newton, US	daily rain	52.8 mm (2.1 in)	19.8 mm (0.8 in)	95 years	54 of 100 (Notable)
30 May 1991	Karam, RU	daily rain	25.9 mm (1.0 in)	16.2 mm (0.6 in)	20 years	50 of 100 (Notable)
30 May 1991	Virginia City, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	101 years	50 of 100 (Notable)
30 May 1991	Enterprise, US	daily rain	36.8 mm (1.4 in)	20.5 mm (0.8 in)	28 years	50 of 100 (Notable)
30 May 1991	Bodie California St Historic P, US	daily snowfall	7.4 cm (2.9 in)	7.4 cm (2.9 in)	92 years	49 of 100 (Notable)
30 May 1991	Corry, US	monthly high min	20.6 C (69.1 F)	0.6 C (1.1 F)	98 years	49 of 100 (Notable)
30 May 1991	Ice Harbor Dam, US	daily rain	25.7 mm (1.0 in)	20.1 mm (0.8 in)	21 years	49 of 100 (Notable)
30 May 1991	Ignacio Lopez Rayon, MX	daily low min	17.8 C (64.0 F)	3.9 C (7.0 F)	26 years	48 of 100 (Notable)
30 May 1991	Raymond Terrace (Wallaroo Stat, AU	daily rain	57.2 mm (2.3 in)	49.1 mm (1.9 in)	32 years	47 of 100 (Notable)
30 May 1991	Mattoon, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	91 years	47 of 100 (Notable)
30 May 1991	Elwood, US	daily rain	51.6 mm (2.0 in)	35.3 mm (1.4 in)	30 years	47 of 100 (Notable)
30 May 1991	Manhattan, US	daily rain	56.4 mm (2.2 in)	23.6 mm (0.9 in)	73 years	47 of 100 (Notable)
30 May 1991	Cando 1E, US	daily rain	26.4 mm (1.0 in)	13.7 mm (0.5 in)	76 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

1818 to 1991

Records set or tied on this calendar date in each year from 1818 to 1991. 1991 had 1,264 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 1991-05-30: 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	859
20 to 40	28
40 to 60	8
60 to 80	1
80 to 100	1