Weather Records on 4 May 1999

1,167 weather records were set or tied worldwide on 4 May 1999. Highest significance: Belcourt Keya Radio, US.

Key Facts for 4 May 1999

On 4 May 1999, 1,167 weather records were set or tied at long-record stations worldwide.
457 were record highs and 439 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 58 monthly and 1,098 daily.
Belcourt Keya Radio set an all-time record daily precipitation of 152.4 mm (6.0 in) on 4 May 1999.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 426 records.

Record Map

1,167 stations

1,167 station records on 4 May 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Belcourt Keya Radio	United States	Record daily precipitation	152.4 mm (6.0 in)	75 of 100 (Major)
Rico	United States	Record daily snowfall	34.3 cm (13.5 in)	65 of 100 (Major)
Coalville	United States	Record daily snowfall	12.7 cm (5.0 in)	65 of 100 (Major)
Joplin Rgnl AP	United States	Record daily precipitation	132.3 mm (5.2 in)	60 of 100 (Major)
Rugby	United States	Record daily precipitation	43.9 mm (1.7 in)	57 of 100 (Notable)
Wolf Creek Pass 1 E	United States	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Dewar 2 NE	United States	Record daily precipitation	101.6 mm (4.0 in)	56 of 100 (Notable)
Carthage	United States	Record daily precipitation	54.6 mm (2.1 in)	55 of 100 (Notable)
Wetumka 3 NE	United States	Record daily precipitation	104.6 mm (4.1 in)	54 of 100 (Notable)
Mc Clusky	United States	Record daily precipitation	32.0 mm (1.3 in)	52 of 100 (Notable)
Silverton	United States	Record daily snowfall	26.4 cm (10.4 in)	51 of 100 (Notable)
Beach	United States	Record daily precipitation	28.4 mm (1.1 in)	51 of 100 (Notable)
Vilnius	Lithuania	Record low maximum temperature	0.0 C (32.0 F)	50 of 100 (Notable)
Rico	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Great Sand Dunes Np & Preserve	United States	Record daily snowfall	11.4 cm (4.5 in)	49 of 100 (Notable)
Galena	United States	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Ft Yates 4 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Echo Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Placerville 3SE	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Atkinson 3SW	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Ipswich	United States	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Seaside	United States	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Miller	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Mobridge 2NNW	United States	Record daily precipitation	26.4 mm (1.0 in)	44 of 100 (Notable)
Hayward Rs	United States	Record high minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Harrison Boone Co AP	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Velikie Luki	Russia	Record low minimum temperature	-5.0 C (23.0 F)	42 of 100 (Notable)
Teec Nos Pos	United States	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Columbus	United States	Record daily precipitation	42.4 mm (1.7 in)	42 of 100 (Notable)
Wasola 5N	United States	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Wolf Creek Pass 1 E	United States	Record daily snowfall	40.6 cm (16.0 in)	41 of 100 (Notable)
Fredonia	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Pollock	United States	Record daily precipitation	41.7 mm (1.6 in)	41 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Worland	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Cortez	United States	Record low maximum temperature	9.4 C (48.9 F)	40 of 100 (Notable)
Wickiup Dam	United States	Record low minimum temperature	-14.4 C (6.1 F)	40 of 100 (Notable)
Manti	United States	Record low maximum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Magiscatzin (Dge)	Mexico	Record high maximum temperature	48.9 C (120.0 F)	39 of 100 (Notable)
Ouray	United States	Record daily snowfall	19.3 cm (7.6 in)	39 of 100 (Notable)
Pittsburg	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
W Plains	United States	Record daily precipitation	51.8 mm (2.0 in)	39 of 100 (Notable)
Fruitland	United States	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Tahlequah	United States	Record daily precipitation	57.9 mm (2.3 in)	39 of 100 (Notable)
San Saba	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Fillmore	United States	Record low maximum temperature	7.2 C (45.0 F)	39 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	37.2 C (99.0 F)	39 of 100 (Notable)
Muskegon Co AP	United States	Record high maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Tequesquitengo	Mexico	Record high maximum temperature	42.8 C (109.0 F)	38 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Wilbur	United States	Record low minimum temperature	-5.0 C (23.0 F)	38 of 100 (Notable)
Bismarck	United States	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
Yates Ctr	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
O'Neill	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Bismarck 7 N	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Peck 4 SSW	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Petoskey	United States	Record high minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Ogden Pioneer Ph	United States	Record low maximum temperature	8.3 C (46.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,167 records

Records set or tied on 4 May 1999 by type: Highest daily maximum 245, Lowest daily maximum 253, Highest daily minimum 212, Lowest daily minimum 186, Heaviest daily rainfall 210, Heaviest daily snowfall 41, Deepest snow cover 20.

Records on 4 May 1999 by type
Record type	Records
Highest daily maximum	245
Lowest daily maximum	253
Highest daily minimum	212
Lowest daily minimum	186
Heaviest daily rainfall	210
Heaviest daily snowfall	41
Deepest snow cover	20

Records on 4 May 1999 by timescale: all-time 11, monthly 58, daily 1,098.

How Much Records Were Beaten By

926 broken records

Margins by which the 926 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 304.0. Ties are not counted.

Top 20 by Significance

4 May 1999

Top 20 records on 4 May 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1999	Belcourt Keya Radio, US	all-time rain	152.4 mm (6.0 in)	43.2 mm (1.7 in)	33 years	75 of 100 (Major)
4 May 1999	Rico, US	daily snowfall	34.3 cm (13.5 in)	21.6 cm (8.5 in)	57 years	65 of 100 (Major)
4 May 1999	Coalville, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	104 years	65 of 100 (Major)
4 May 1999	Joplin Rgnl AP, US	monthly rain	132.3 mm (5.2 in)	46.4 mm (1.8 in)	38 years	60 of 100 (Major)
4 May 1999	Rugby, US	daily rain	43.9 mm (1.7 in)	32.5 mm (1.3 in)	29 years	57 of 100 (Notable)
4 May 1999	Wolf Creek Pass 1 E, US	daily rain	50.8 mm (2.0 in)	38.6 mm (1.5 in)	40 years	56 of 100 (Notable)
4 May 1999	Dewar 2 NE, US	daily rain	101.6 mm (4.0 in)	77.2 mm (3.0 in)	37 years	56 of 100 (Notable)
4 May 1999	Carthage, US	daily rain	54.6 mm (2.1 in)	22.1 mm (0.9 in)	103 years	55 of 100 (Notable)
4 May 1999	Wetumka 3 NE, US	daily rain	104.6 mm (4.1 in)	76.2 mm (3.0 in)	40 years	54 of 100 (Notable)
4 May 1999	Mc Clusky, US	daily rain	32.0 mm (1.3 in)	16.8 mm (0.7 in)	80 years	52 of 100 (Notable)
4 May 1999	Silverton, US	daily snowfall	26.4 cm (10.4 in)	13.7 cm (5.4 in)	57 years	51 of 100 (Notable)
4 May 1999	Beach, US	daily rain	28.4 mm (1.1 in)	14.7 mm (0.6 in)	86 years	51 of 100 (Notable)
4 May 1999	Vilnius, LT	monthly low max	0.0 C (32.0 F)	0.8 C (1.4 F)	98 years	50 of 100 (Notable)
4 May 1999	Rico, US	daily rain	34.3 mm (1.4 in)	11.9 mm (0.5 in)	57 years	50 of 100 (Notable)
4 May 1999	Great Sand Dunes Np & Preserve, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	48 years	49 of 100 (Notable)
4 May 1999	Galena, US	daily rain	39.9 mm (1.6 in)	14.5 mm (0.6 in)	96 years	48 of 100 (Notable)
4 May 1999	Ft Yates 4 SW, US	daily rain	27.9 mm (1.1 in)	8.8 mm (0.35 in)	93 years	47 of 100 (Notable)
4 May 1999	Echo Dam, US	daily snowfall	15.2 cm (6.0 in)	14.4 cm (5.7 in)	40 years	46 of 100 (Notable)
4 May 1999	Placerville 3SE, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	50 years	45 of 100 (Notable)
4 May 1999	Atkinson 3SW, US	daily rain	33.0 mm (1.3 in)	10.1 mm (0.4 in)	90 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 1999

Records set or tied on this calendar date in each year from 1795 to 1999. 1999 had 1,167 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 1999-05-04: 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	897
50 to 100	14
100 to 150	10
150 to 200	2
200 to 250	1
250 to 300	1
300 to 350	1