Weather Records on 30 May 1993

690 weather records were set or tied worldwide on 30 May 1993. Highest significance: Rodino, RU.

Key Facts for 30 May 1993

On 30 May 1993, 690 weather records were set or tied at long-record stations worldwide.
245 were record highs and 184 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 27 monthly and 659 daily.
Rodino set an all-time record daily precipitation of 80.0 mm (3.1 in) on 30 May 1993.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 437 records.

Record Map

690 stations

690 station records on 30 May 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rodino	Russia	Record daily precipitation	80.0 mm (3.1 in)	70 of 100 (Major)
Ashland	United States	Record daily precipitation	36.8 mm (1.4 in)	63 of 100 (Major)
Emmetsburg	United States	Record daily precipitation	69.3 mm (2.7 in)	53 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	87.4 mm (3.4 in)	53 of 100 (Notable)
Lancang	China	Record daily precipitation	74.8 mm (2.9 in)	51 of 100 (Notable)
Esil	Kazakhstan	Record daily precipitation	68.1 mm (2.7 in)	51 of 100 (Notable)
Butler 4W	United States	Record daily precipitation	109.2 mm (4.3 in)	50 of 100 (Notable)
Canal Pt USDA	United States	Record daily precipitation	245.9 mm (9.7 in)	49 of 100 (Notable)
Santa Cruz	United States	Record high minimum temperature	16.1 C (61.0 F)	48 of 100 (Notable)
Sanborn	United States	Record daily precipitation	77.5 mm (3.1 in)	48 of 100 (Notable)
Aitkin 2E	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Crescent City 3 NNW	United States	Record high minimum temperature	13.9 C (57.0 F)	47 of 100 (Notable)
Swainsboro	United States	Record daily precipitation	64.8 mm (2.6 in)	45 of 100 (Notable)
Hartington	United States	Record daily precipitation	61.5 mm (2.4 in)	45 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	29.2 C (84.6 F)	44 of 100 (Notable)
Ft Ross	United States	Record high minimum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Eulo Post Office	Australia	Record daily precipitation	38.5 mm (1.5 in)	43 of 100 (Notable)
Pomme de Terre Dam	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Swea City 5N	United States	Record daily precipitation	79.5 mm (3.1 in)	42 of 100 (Notable)
Tengchong	China	Record daily precipitation	59.8 mm (2.4 in)	41 of 100 (Notable)
Merida Centro	Mexico	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Sheldon	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Moran	United States	Record daily precipitation	65.5 mm (2.6 in)	40 of 100 (Notable)
Port Washington	United States	Record low maximum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Newton	United States	Record daily precipitation	56.6 mm (2.2 in)	39 of 100 (Notable)
Houston	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Grizedale	United Kingdom	Record daily precipitation	33.6 mm (1.3 in)	38 of 100 (Notable)
Hartwell	United States	Record daily precipitation	59.9 mm (2.4 in)	38 of 100 (Notable)
Manistique Wwtp	United States	Record low maximum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
New Ulm 2 SE	United States	Record low maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Windom	United States	Record low maximum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high minimum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Kantunilkin	Mexico	Record daily precipitation	110.0 mm (4.3 in)	37 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Washta	United States	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Rochester Intl AP	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Cherokee	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Crawford 5 W	United States	Record daily precipitation	47.8 mm (1.9 in)	36 of 100 (Notable)
Mc Minnville	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Salinas AP	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Santa Rosa	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Bricelyn	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Bolivar	United States	Record low minimum temperature	-2.2 C (28.0 F)	35 of 100 (Notable)
Max	United States	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Sprague River 2 SE	United States	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Clear Lake	United States	Record low maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Oshkosh	United States	Record low maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Rhinelander	United States	Record low maximum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Eskdalemuir	United Kingdom	Record daily precipitation	29.1 mm (1.1 in)	34 of 100 (Routine)
Watsonville Wtr Wks	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Ottertail	United States	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Prineville	United States	Record high minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
San Francisco Dwtn	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Foraker	United States	Record daily precipitation	66.5 mm (2.6 in)	33 of 100 (Routine)
Canton	United States	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Redwood Falls Muni AP	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Villaflores (Smn)	Mexico	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Kentfield	United States	Record high minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

690 records

Records set or tied on 30 May 1993 by type: Highest daily maximum 94, Lowest daily maximum 92, Highest daily minimum 151, Lowest daily minimum 92, Heaviest daily rainfall 261.

Records on 30 May 1993 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	92
Highest daily minimum	151
Lowest daily minimum	92
Heaviest daily rainfall	261
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 1993 by timescale: all-time 4, monthly 27, daily 659.

How Much Records Were Beaten By

557 broken records

Margins by which the 557 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.7. Ties are not counted.

Top 20 by Significance

30 May 1993

Top 20 records on 30 May 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1993	Rodino, RU	all-time rain	80.0 mm (3.1 in)	23.3 mm (0.9 in)	16 years	70 of 100 (Major)
30 May 1993	Ashland, US	daily rain	36.8 mm (1.4 in)	22.8 mm (0.9 in)	46 years	63 of 100 (Major)
30 May 1993	Emmetsburg, US	daily rain	69.3 mm (2.7 in)	54.3 mm (2.1 in)	12 years	53 of 100 (Notable)
30 May 1993	Rock Rapids, US	daily rain	87.4 mm (3.4 in)	47.5 mm (1.9 in)	12 years	53 of 100 (Notable)
30 May 1993	Lancang, CN	daily rain	74.8 mm (2.9 in)	49.0 mm (1.9 in)	36 years	51 of 100 (Notable)
30 May 1993	Esil, KZ	all-time rain	68.1 mm (2.7 in)	9.7 mm (0.38 in)	16 years	51 of 100 (Notable)
30 May 1993	Butler 4W, US	daily rain	109.2 mm (4.3 in)	64.7 mm (2.5 in)	16 years	50 of 100 (Notable)
30 May 1993	Canal Pt USDA, US	all-time rain	245.9 mm (9.7 in)	40.2 mm (1.6 in)	0 years	49 of 100 (Notable)
30 May 1993	Santa Cruz, US	daily high min	16.1 C (61.0 F)	2.8 C (5.0 F)	98 years	48 of 100 (Notable)
30 May 1993	Sanborn, US	daily rain	77.5 mm (3.1 in)	38.6 mm (1.5 in)	12 years	48 of 100 (Notable)
30 May 1993	Aitkin 2E, US	daily rain	53.3 mm (2.1 in)	33.0 mm (1.3 in)	44 years	48 of 100 (Notable)
30 May 1993	Crescent City 3 NNW, US	daily high min	13.9 C (57.0 F)	2.2 C (4.0 F)	98 years	47 of 100 (Notable)
30 May 1993	Swainsboro, US	daily rain	64.8 mm (2.6 in)	41.7 mm (1.6 in)	23 years	45 of 100 (Notable)
30 May 1993	Hartington, US	daily rain	61.5 mm (2.4 in)	10.7 mm (0.4 in)	90 years	45 of 100 (Notable)
30 May 1993	Biskra, DZ	daily high min	29.2 C (84.6 F)	1.4 C (2.5 F)	106 years	44 of 100 (Notable)
30 May 1993	Ft Ross, US	daily high min	13.3 C (55.9 F)	2.2 C (4.0 F)	88 years	44 of 100 (Notable)
30 May 1993	Eulo Post Office, AU	daily rain	38.5 mm (1.5 in)	14.6 mm (0.6 in)	72 years	43 of 100 (Notable)
30 May 1993	Pomme de Terre Dam, US	daily rain	71.1 mm (2.8 in)	47.7 mm (1.9 in)	26 years	43 of 100 (Notable)
30 May 1993	Bloomfield, US	daily rain	47.8 mm (1.9 in)	16.0 mm (0.6 in)	75 years	43 of 100 (Notable)
30 May 1993	Swea City 5N, US	daily rain	79.5 mm (3.1 in)	42.7 mm (1.7 in)	12 years	42 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 1993

Records set or tied on this calendar date in each year from 1818 to 1993. 1993 had 690 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 1993-05-30: 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 10	488
10 to 20	40
20 to 30	12
30 to 40	8
40 to 50	7
50 to 60	1
60 to 70	1