Weather Records on 4 May 1993

791 weather records were set or tied worldwide on 4 May 1993. Highest significance: Rosalia, US.

Key Facts for 4 May 1993

On 4 May 1993, 791 weather records were set or tied at long-record stations worldwide.
277 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 769 daily.
Rosalia set a daily record precipitation of 25.1 mm (1.0 in) on 4 May 1993.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 428 records.

Record Map

791 stations

791 station records on 4 May 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rosalia	United States	Record daily precipitation	25.1 mm (1.0 in)	65 of 100 (Major)
Heber	United States	Record daily precipitation	32.5 mm (1.3 in)	64 of 100 (Major)
Cottonwood Weir	United States	Record daily precipitation	55.6 mm (2.2 in)	63 of 100 (Major)
Colfax	United States	Record daily precipitation	26.4 mm (1.0 in)	60 of 100 (Major)
Evanston 1 E	United States	Record daily precipitation	25.4 mm (1.0 in)	58 of 100 (Notable)
Jasper	United States	Record daily precipitation	45.7 mm (1.8 in)	56 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily precipitation	38.4 mm (1.5 in)	54 of 100 (Notable)
Jarud Qi	China	Record daily precipitation	39.5 mm (1.6 in)	53 of 100 (Notable)
Washington	United States	Record daily precipitation	47.2 mm (1.9 in)	51 of 100 (Notable)
Nixon	United States	Record daily precipitation	70.4 mm (2.8 in)	51 of 100 (Notable)
Carbon Hill 4SE	United States	Record daily precipitation	68.6 mm (2.7 in)	49 of 100 (Notable)
Hamlet	United States	Record daily precipitation	78.5 mm (3.1 in)	49 of 100 (Notable)
Charles City	United States	Record daily precipitation	29.5 mm (1.2 in)	48 of 100 (Notable)
City Creek Wtp	United States	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
Tooele	United States	Record daily precipitation	36.6 mm (1.4 in)	48 of 100 (Notable)
Kamas	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Austin 1 W	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Mill Creek Dam	United States	Record daily precipitation	30.2 mm (1.2 in)	46 of 100 (Notable)
Cedarville	United States	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Castle Rock	United States	Record high minimum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Alta	United States	Record daily snowfall	45.7 cm (18.0 in)	45 of 100 (Notable)
Linxi	China	Record daily precipitation	36.0 mm (1.4 in)	44 of 100 (Notable)
Clayton 1 SSW	United States	Record daily precipitation	60.5 mm (2.4 in)	44 of 100 (Notable)
Fairfield	United States	Record daily precipitation	47.2 mm (1.9 in)	44 of 100 (Notable)
Dunmor	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Kane 1NNE	United States	Record high minimum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Saint Maries	United States	Record daily precipitation	27.4 mm (1.1 in)	43 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	66.5 mm (2.6 in)	43 of 100 (Notable)
Kennewick	United States	Record low maximum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Stanley	United States	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Ogden Sugar Factory	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Bucyrus	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Greeneville Exp STN	United States	Record high minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Payson	United States	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Findlay Wpcc	United States	Record high minimum temperature	16.1 C (61.0 F)	39 of 100 (Notable)
Santuck	United States	Record daily precipitation	67.8 mm (2.7 in)	38 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Nunkeri	Australia	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Blackleaf	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Fayetteville Wtp	United States	Record daily precipitation	71.1 mm (2.8 in)	35 of 100 (Notable)
Elk Rvr	United States	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Cascade 20 SSE	United States	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Everett	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Fairfield	United States	Record daily precipitation	25.7 mm (1.0 in)	34 of 100 (Routine)
Tooele	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Harrisburg	United States	Record daily precipitation	25.7 mm (1.0 in)	33 of 100 (Routine)
Paradise Steam Plt	United States	Record daily precipitation	77.5 mm (3.1 in)	33 of 100 (Routine)
Hermiston 1 SE	United States	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Warren	United States	Record high minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Flaming Gorge	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Pogranichnyj	Russia	Record low minimum temperature	-1.2 C (29.8 F)	32 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Valley Head	United States	Record daily precipitation	41.1 mm (1.6 in)	32 of 100 (Routine)
Greer	United States	Record high minimum temperature	5.6 C (42.1 F)	32 of 100 (Routine)
Jasper 1 NNW	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
El Vergel (Smn)	Mexico	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Carmi 6 NW	United States	Record daily precipitation	32.3 mm (1.3 in)	31 of 100 (Routine)
Alta 1 NNW	United States	Record low maximum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Belle Mina 2 N	United States	Record daily precipitation	52.3 mm (2.1 in)	30 of 100 (Routine)
Dayton 1 WSW	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

791 records

Records set or tied on 4 May 1993 by type: Highest daily maximum 44, Lowest daily maximum 65, Highest daily minimum 233, Lowest daily minimum 79, Heaviest daily rainfall 347, Heaviest daily snowfall 13, Deepest snow cover 10.

Records on 4 May 1993 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	65
Highest daily minimum	233
Lowest daily minimum	79
Heaviest daily rainfall	347
Heaviest daily snowfall	13
Deepest snow cover	10

Records on 4 May 1993 by timescale: all-time 0, monthly 22, daily 769.

How Much Records Were Beaten By

647 broken records

Margins by which the 647 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

4 May 1993

Top 20 records on 4 May 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1993	Rosalia, US	daily rain	25.1 mm (1.0 in)	13.4 mm (0.5 in)	98 years	65 of 100 (Major)
4 May 1993	Heber, US	daily rain	32.5 mm (1.3 in)	14.7 mm (0.6 in)	94 years	64 of 100 (Major)
4 May 1993	Cottonwood Weir, US	daily rain	55.6 mm (2.2 in)	38.6 mm (1.5 in)	55 years	63 of 100 (Major)
4 May 1993	Colfax, US	daily rain	26.4 mm (1.0 in)	11.2 mm (0.4 in)	98 years	60 of 100 (Major)
4 May 1993	Evanston 1 E, US	daily rain	25.4 mm (1.0 in)	13.5 mm (0.5 in)	84 years	58 of 100 (Notable)
4 May 1993	Jasper, US	daily rain	45.7 mm (1.8 in)	22.8 mm (0.9 in)	94 years	56 of 100 (Notable)
4 May 1993	Spanish Fk Pwr House, US	daily rain	38.4 mm (1.5 in)	24.7 mm (1.0 in)	44 years	54 of 100 (Notable)
4 May 1993	Jarud Qi, CN	daily rain	39.5 mm (1.6 in)	29.2 mm (1.1 in)	30 years	53 of 100 (Notable)
4 May 1993	Washington, US	daily rain	47.2 mm (1.9 in)	16.2 mm (0.6 in)	91 years	51 of 100 (Notable)
4 May 1993	Nixon, US	daily rain	70.4 mm (2.8 in)	49.8 mm (2.0 in)	55 years	51 of 100 (Notable)
4 May 1993	Carbon Hill 4SE, US	daily rain	68.6 mm (2.7 in)	49.0 mm (1.9 in)	42 years	49 of 100 (Notable)
4 May 1993	Hamlet, US	monthly rain	78.5 mm (3.1 in)	25.7 mm (1.0 in)	40 years	49 of 100 (Notable)
4 May 1993	Charles City, US	daily rain	29.5 mm (1.2 in)	11.2 mm (0.4 in)	99 years	48 of 100 (Notable)
4 May 1993	City Creek Wtp, US	daily rain	57.2 mm (2.3 in)	40.9 mm (1.6 in)	18 years	48 of 100 (Notable)
4 May 1993	Tooele, US	daily rain	36.6 mm (1.4 in)	11.2 mm (0.4 in)	84 years	48 of 100 (Notable)
4 May 1993	Kamas, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	44 years	47 of 100 (Notable)
4 May 1993	Austin 1 W, US	daily rain	33.0 mm (1.3 in)	19.8 mm (0.8 in)	40 years	46 of 100 (Notable)
4 May 1993	Mill Creek Dam, US	daily rain	30.2 mm (1.2 in)	21.1 mm (0.8 in)	31 years	46 of 100 (Notable)
4 May 1993	Cedarville, US	daily rain	31.0 mm (1.2 in)	12.7 mm (0.5 in)	32 years	45 of 100 (Notable)
4 May 1993	Castle Rock, US	daily high min	9.4 C (48.9 F)	3.3 C (5.9 F)	92 years	45 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

1795 to 1993

Records set or tied on this calendar date in each year from 1795 to 1993. 1993 had 791 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1993-05-04: 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 50	638
50 to 100	5
100 to 150	2
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1