Weather Records on 31 May 1993

982 weather records were set or tied worldwide on 31 May 1993. Highest significance: Spooner Ag Rsch STN, US.

Key Facts for 31 May 1993

On 31 May 1993, 982 weather records were set or tied at long-record stations worldwide.
279 were record highs and 212 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 52 monthly and 926 daily.
Spooner Ag Rsch STN set an all-time record daily precipitation of 140.0 mm (5.5 in) on 31 May 1993.
Across 161 earlier years (1811 to 2026) the same calendar date averaged 434 records.

Record Map

982 stations

982 station records on 31 May 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 May 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Spooner Ag Rsch STN	United States	Record daily precipitation	140.0 mm (5.5 in)	79 of 100 (Major)
Nizhny-Chir	Russia	Record daily precipitation	71.0 mm (2.8 in)	71 of 100 (Major)
Ashland #2	United States	Record daily precipitation	157.7 mm (6.2 in)	68 of 100 (Major)
Temora Ambulance Station	Australia	Record daily precipitation	81.4 mm (3.2 in)	67 of 100 (Major)
Tiger Creek Ph	United States	Record daily precipitation	51.3 mm (2.0 in)	67 of 100 (Major)
Moab	United States	Record daily precipitation	33.0 mm (1.3 in)	66 of 100 (Major)
Yreka	United States	Record daily precipitation	33.3 mm (1.3 in)	59 of 100 (Notable)
Ft Jones Rs	United States	Record daily precipitation	33.5 mm (1.3 in)	57 of 100 (Notable)
Electra P H	United States	Record daily precipitation	29.0 mm (1.1 in)	56 of 100 (Notable)
Mancos 1SW	United States	Record daily precipitation	34.8 mm (1.4 in)	56 of 100 (Notable)
Tierra Amarilla 4 N	United States	Record daily precipitation	55.1 mm (2.2 in)	56 of 100 (Notable)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	36.5 mm (1.4 in)	55 of 100 (Notable)
Xining	China	Record daily precipitation	34.3 mm (1.4 in)	55 of 100 (Notable)
Tinnenburra	Australia	Record daily precipitation	55.0 mm (2.2 in)	54 of 100 (Notable)
Shanwei	China	Record daily precipitation	171.6 mm (6.8 in)	53 of 100 (Notable)
Oroville	United States	Record daily precipitation	38.1 mm (1.5 in)	53 of 100 (Notable)
Dzalinda	Russia	Record daily precipitation	34.2 mm (1.3 in)	51 of 100 (Notable)
Tulihe	China	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Kuantan	Malaysia	Record daily precipitation	97.0 mm (3.8 in)	49 of 100 (Notable)
Chester	United States	Record daily precipitation	25.1 mm (1.0 in)	49 of 100 (Notable)
Caete	Brazil	Record daily precipitation	160.2 mm (6.3 in)	48 of 100 (Notable)
Conchas	Brazil	Record daily precipitation	112.3 mm (4.4 in)	48 of 100 (Notable)
Mt Shasta	United States	Record daily precipitation	54.6 mm (2.1 in)	47 of 100 (Notable)
Medford Exp STN	United States	Record daily precipitation	32.3 mm (1.3 in)	47 of 100 (Notable)
Watseka Public Works	United States	Record daily precipitation	39.1 mm (1.5 in)	46 of 100 (Notable)
Winchester	United States	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Tiete	Brazil	Record daily precipitation	79.5 mm (3.1 in)	45 of 100 (Notable)
Hillston (Hunthawang)	Australia	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Monte Mor	Brazil	Record daily precipitation	65.9 mm (2.6 in)	44 of 100 (Notable)
Bairro Registro	Brazil	Record daily precipitation	40.7 mm (1.6 in)	44 of 100 (Notable)
McCloud	United States	Record daily precipitation	59.9 mm (2.4 in)	44 of 100 (Notable)
Paskenta Rs	United States	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Moore Haven Lock 1	United States	Record low maximum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Pit Rvr Ph 5	United States	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Ralston	United States	Record daily precipitation	67.3 mm (2.6 in)	43 of 100 (Notable)
Wantabadgery	Australia	Record daily precipitation	25.3 mm (1.0 in)	42 of 100 (Notable)
Pitas	Brazil	Record daily precipitation	40.5 mm (1.6 in)	42 of 100 (Notable)
Copco #1 Dam	United States	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Fiddletown Dexter Rch	United States	Record daily precipitation	33.8 mm (1.3 in)	42 of 100 (Notable)
Monteagle	United States	Record daily precipitation	67.3 mm (2.6 in)	42 of 100 (Notable)
The Warriups	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Potter Valley Powerhouse	United States	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Yosemite Park HQ	United States	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Marcus Hook	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Chilton	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Portage Wwtp	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record daily precipitation	65.5 mm (2.6 in)	41 of 100 (Notable)
Bethungra (Retreat)	Australia	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Jundiai	Brazil	Record daily precipitation	59.5 mm (2.3 in)	40 of 100 (Notable)
Gen. Santos	Philippines	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
De Sabla	United States	Record daily precipitation	44.5 mm (1.8 in)	40 of 100 (Notable)
Harrison Gulch Rs	United States	Record daily precipitation	41.1 mm (1.6 in)	40 of 100 (Notable)
Whiskeytown Rsvr	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Gibson City	United States	Record daily precipitation	42.7 mm (1.7 in)	40 of 100 (Notable)
Willmar Wwtp	United States	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Carthage	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Humacao 2 SSE	Puerto Rico [United States]	Record low minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Ottawa 4SW	United States	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Sac City	United States	Record low minimum temperature	1.1 C (34.0 F)	39 of 100 (Notable)
Lake Cargelligo (Merri-Merriga	Australia	Record daily precipitation	37.0 mm (1.5 in)	38 of 100 (Notable)

Counts by Type and Timescale

982 records

Records set or tied on 31 May 1993 by type: Highest daily maximum 100, Lowest daily maximum 142, Highest daily minimum 179, Lowest daily minimum 70, Heaviest daily rainfall 491.

Records on 31 May 1993 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	142
Highest daily minimum	179
Lowest daily minimum	70
Heaviest daily rainfall	491
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 May 1993 by timescale: all-time 4, monthly 52, daily 926.

How Much Records Were Beaten By

787 broken records

Margins by which the 787 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 129.4. Ties are not counted.

Top 20 by Significance

31 May 1993

Top 20 records on 31 May 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 May 1993	Spooner Ag Rsch STN, US	all-time rain	140.0 mm (5.5 in)	28.0 mm (1.1 in)	75 years	79 of 100 (Major)
31 May 1993	Nizhny-Chir, RU	monthly rain	71.0 mm (2.8 in)	31.7 mm (1.2 in)	54 years	71 of 100 (Major)
31 May 1993	Ashland #2, US	monthly rain	157.7 mm (6.2 in)	66.8 mm (2.6 in)	28 years	68 of 100 (Major)
31 May 1993	Temora Ambulance Station, AU	monthly rain	81.4 mm (3.2 in)	16.1 mm (0.6 in)	104 years	67 of 100 (Major)
31 May 1993	Tiger Creek Ph, US	daily rain	51.3 mm (2.0 in)	42.4 mm (1.7 in)	64 years	67 of 100 (Major)
31 May 1993	Moab, US	daily rain	33.0 mm (1.3 in)	24.1 mm (0.9 in)	54 years	66 of 100 (Major)
31 May 1993	Yreka, US	daily rain	33.3 mm (1.3 in)	10.4 mm (0.4 in)	91 years	59 of 100 (Notable)
31 May 1993	Ft Jones Rs, US	daily rain	33.5 mm (1.3 in)	27.1 mm (1.1 in)	40 years	57 of 100 (Notable)
31 May 1993	Electra P H, US	daily rain	29.0 mm (1.1 in)	22.1 mm (0.9 in)	64 years	56 of 100 (Notable)
31 May 1993	Mancos 1SW, US	daily rain	34.8 mm (1.4 in)	27.9 mm (1.1 in)	26 years	56 of 100 (Notable)
31 May 1993	Tierra Amarilla 4 N, US	monthly rain	55.1 mm (2.2 in)	26.7 mm (1.1 in)	1 year	56 of 100 (Notable)
31 May 1993	West Wyalong (Tallimbalong), AU	daily rain	36.5 mm (1.4 in)	11.9 mm (0.5 in)	101 years	55 of 100 (Notable)
31 May 1993	Xining, CN	daily rain	34.3 mm (1.4 in)	21.9 mm (0.9 in)	38 years	55 of 100 (Notable)
31 May 1993	Tinnenburra, AU	daily rain	55.0 mm (2.2 in)	35.2 mm (1.4 in)	72 years	54 of 100 (Notable)
31 May 1993	Shanwei, CN	daily rain	171.6 mm (6.8 in)	129.4 mm (5.1 in)	38 years	53 of 100 (Notable)
31 May 1993	Oroville, US	daily rain	38.1 mm (1.5 in)	36.6 mm (1.4 in)	32 years	53 of 100 (Notable)
31 May 1993	Dzalinda, RU	daily rain	34.2 mm (1.3 in)	19.2 mm (0.8 in)	44 years	51 of 100 (Notable)
31 May 1993	Tulihe, CN	daily rain	34.0 mm (1.3 in)	20.5 mm (0.8 in)	26 years	50 of 100 (Notable)
31 May 1993	Kuantan, MY	daily rain	97.0 mm (3.8 in)	63.0 mm (2.5 in)	30 years	49 of 100 (Notable)
31 May 1993	Chester, US	daily rain	25.1 mm (1.0 in)	11.1 mm (0.4 in)	76 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

1811 to 1993

Records set or tied on this calendar date in each year from 1811 to 1993. 1993 had 982 records.

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

Records on 05-31 in each year
Year	Records
1811	1
1818	3
1827	1
1836	2
1845	1
1847	1
1853	2
1855	2
1858	1
1864	2
1865	1
1866	1
1867	1
1868	4
1869	1
1871	2
1873	3
1874	1
1877	1
1878	2
1879	2
1880	3
1882	1
1883	1
1885	1
1888	1
1889	2
1890	1
1892	1
1893	4
1894	2
1895	8
1897	5
1898	7
1899	1
1900	2
1901	9
1902	9
1903	17
1904	19
1905	7
1906	11
1907	20
1908	12
1909	8
1910	26
1911	20
1912	15
1913	83
1914	20
1915	23
1916	23
1917	13
1918	20
1919	44
1920	46
1921	157
1922	49
1923	98
1924	152
1925	226
1926	228
1927	121
1928	67
1929	246
1930	612
1931	223
1932	181
1933	397
1934	782
1935	156
1936	559
1937	462
1938	424
1939	461
1940	383
1941	410
1942	364
1943	552
1944	372
1945	457
1946	380
1947	439
1948	295
1949	303
1950	467
1951	640
1952	374
1953	654
1954	445
1955	534
1956	632
1957	304
1958	429
1959	459
1960	247
1961	472
1962	565
1963	354
1964	1,237
1965	494
1966	601
1967	987
1968	276
1969	555
1970	573
1971	714
1972	1,127
1973	418
1974	473
1975	797
1976	435
1977	605
1978	873
1979	915
1980	517
1981	775
1982	817
1983	1,494
1984	2,047
1985	790
1986	1,365
1987	822
1988	1,255
1989	912
1990	900
1991	1,381
1992	1,031
1993	982
1994	776
1995	693
1996	946
1997	1,163
1998	1,215
1999	790
2000	1,172
2001	1,047
2002	1,162
2003	831
2004	1,071
2005	724
2006	1,045
2007	793
2008	809
2009	570
2010	741
2011	1,498
2012	764
2013	1,100
2014	565
2015	704
2016	402
2017	440
2018	1,211
2019	420
2020	673
2021	834
2022	902
2023	454
2024	809
2025	1,204
2026	536

Download the Data

Data for records on 1993-05-31: 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	714
20 to 40	59
40 to 60	10
60 to 80	3
80 to 100	0
100 to 120	0
120 to 140	1