Weather Records on 24 May 1999

806 weather records were set or tied worldwide on 24 May 1999. Highest significance: Lake Cargelligo (Merri-Merriga, AU.

Key Facts for 24 May 1999

On 24 May 1999, 806 weather records were set or tied at long-record stations worldwide.
381 were record highs and 210 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 30 monthly and 771 daily.
Lake Cargelligo (Merri-Merriga set a monthly record daily precipitation of 77.4 mm (3.0 in) on 24 May 1999.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 453 records.

Record Map

806 stations

806 station records on 24 May 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 May 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake Cargelligo (Merri-Merriga	Australia	Record daily precipitation	77.4 mm (3.0 in)	67 of 100 (Major)
Naradhan (Uralba)	Australia	Record daily precipitation	43.1 mm (1.7 in)	65 of 100 (Major)
The Rock (Bullenbong)	Australia	Record daily precipitation	44.0 mm (1.7 in)	63 of 100 (Major)
Briksdal	Norway	Record daily precipitation	30.0 mm (1.2 in)	55 of 100 (Notable)
Hillston (Hunthawang)	Australia	Record daily precipitation	37.8 mm (1.5 in)	54 of 100 (Notable)
Jal	United States	Record daily precipitation	71.1 mm (2.8 in)	54 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Malkal	Sudan	Record low minimum temperature	12.0 C (53.6 F)	50 of 100 (Notable)
Tullibigeal Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Ulleungdo	Korea, South	Record daily precipitation	109.0 mm (4.3 in)	48 of 100 (Notable)
Jindera (Wadilock)	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Newark Ag Farm	United States	Record daily precipitation	48.5 mm (1.9 in)	44 of 100 (Notable)
Lybrook	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Ciudad Serdan (Smn)	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	43 of 100 (Notable)
Manistique Wwtp	United States	Record low maximum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Purcell 2 SW	United States	Record low minimum temperature	4.4 C (39.9 F)	43 of 100 (Notable)
Huetamo	Mexico	Record low maximum temperature	32.8 C (91.0 F)	42 of 100 (Notable)
Newburyport	United States	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Ribeiro Goncalves	Brazil	Record daily precipitation	44.6 mm (1.8 in)	41 of 100 (Notable)
Hingham	United States	Record daily precipitation	62.2 mm (2.4 in)	41 of 100 (Notable)
Danville 2 W	United States	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Crane	United States	Record daily precipitation	77.0 mm (3.0 in)	41 of 100 (Notable)
Aberdeen	United States	Record high maximum temperature	31.7 C (89.1 F)	41 of 100 (Notable)
Marquette	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Lake Brewster	Australia	Record daily precipitation	54.1 mm (2.1 in)	40 of 100 (Notable)
Lakeview 2 NNW	United States	Record high maximum temperature	29.4 C (84.9 F)	40 of 100 (Notable)
Ganzhou	China	Record daily precipitation	106.7 mm (4.2 in)	39 of 100 (Notable)
Longzhou	China	Record daily precipitation	121.5 mm (4.8 in)	39 of 100 (Notable)
Libby 32 SSE	United States	Record high maximum temperature	30.0 C (86.0 F)	37 of 100 (Notable)
Woodstown Pittsgrov 4E	United States	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Morgan	United States	Record high minimum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Linda Downs	Australia	Record daily precipitation	55.0 mm (2.2 in)	36 of 100 (Notable)
Henty Post Office	Australia	Record daily precipitation	54.0 mm (2.1 in)	36 of 100 (Notable)
Jalapa del Marques	Mexico	Record low minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
New Philadelphia	United States	Record daily precipitation	50.3 mm (2.0 in)	36 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Howlong Post Office	Australia	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Dalatangi	Iceland	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Lockhart Bowling Club	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Herman	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Winthrop UNIV	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Nantucket Mem AP	United States	Record daily precipitation	40.9 mm (1.6 in)	34 of 100 (Routine)
Yenda (Henry Street)	Australia	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Melbourne Regional Office	Australia	Record high minimum temperature	15.5 C (59.9 F)	33 of 100 (Routine)
Shimonoseki	Japan	Record daily precipitation	86.1 mm (3.4 in)	33 of 100 (Routine)
Casimiro Castillo	Mexico	Record low minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Jesus del Monte	Mexico	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Tenosique (Smn)	Mexico	Record low minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	5.4 C (41.7 F)	33 of 100 (Routine)
Ruxton Park	United States	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Ironwood	United States	Record low maximum temperature	5.6 C (42.1 F)	33 of 100 (Routine)
Lowell	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Goldendale	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Matong (Main Street)	Australia	Record daily precipitation	30.4 mm (1.2 in)	32 of 100 (Routine)
Culcairn Bowling Club	Australia	Record daily precipitation	34.4 mm (1.4 in)	32 of 100 (Routine)
Binya Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Zharkent	Kazakhstan	Record low maximum temperature	15.3 C (59.5 F)	32 of 100 (Routine)
Mahackala	Russia	Record low maximum temperature	15.4 C (59.7 F)	32 of 100 (Routine)
Darby	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Willard 4 SW	United States	Record high minimum temperature	21.1 C (70.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

806 records

Records set or tied on 24 May 1999 by type: Highest daily maximum 228, Lowest daily maximum 81, Highest daily minimum 153, Lowest daily minimum 129, Heaviest daily rainfall 212, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 24 May 1999 by type
Record type	Records
Highest daily maximum	228
Lowest daily maximum	81
Highest daily minimum	153
Lowest daily minimum	129
Heaviest daily rainfall	212
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 24 May 1999 by timescale: all-time 5, monthly 30, daily 771.

How Much Records Were Beaten By

625 broken records

Margins by which the 625 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 788.0. Ties are not counted.

Top 20 by Significance

24 May 1999

Top 20 records on 24 May 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 May 1999	Lake Cargelligo (Merri-Merriga, AU	monthly rain	77.4 mm (3.0 in)	28.9 mm (1.1 in)	31 years	67 of 100 (Major)
24 May 1999	Naradhan (Uralba), AU	daily rain	43.1 mm (1.7 in)	21.5 mm (0.8 in)	115 years	65 of 100 (Major)
24 May 1999	The Rock (Bullenbong), AU	daily rain	44.0 mm (1.7 in)	19.6 mm (0.8 in)	116 years	63 of 100 (Major)
24 May 1999	Briksdal, NO	daily rain	30.0 mm (1.2 in)	12.1 mm (0.5 in)	85 years	55 of 100 (Notable)
24 May 1999	Hillston (Hunthawang), AU	daily rain	37.8 mm (1.5 in)	22.6 mm (0.9 in)	49 years	54 of 100 (Notable)
24 May 1999	Jal, US	daily rain	71.1 mm (2.8 in)	41.1 mm (1.6 in)	40 years	54 of 100 (Notable)
24 May 1999	Owosso Wwtp, US	daily rain	50.8 mm (2.0 in)	12.7 mm (0.5 in)	97 years	52 of 100 (Notable)
24 May 1999	Malkal, SD	monthly low min	12.0 C (53.6 F)	5.5 C (9.9 F)	24 years	50 of 100 (Notable)
24 May 1999	Tullibigeal Post Office, AU	daily rain	35.6 mm (1.4 in)	18.8 mm (0.7 in)	54 years	48 of 100 (Notable)
24 May 1999	Ulleungdo, KR	monthly rain	109.0 mm (4.3 in)	32.0 mm (1.3 in)	28 years	48 of 100 (Notable)
24 May 1999	Jindera (Wadilock), AU	daily rain	34.0 mm (1.3 in)	6.1 mm (0.24 in)	92 years	44 of 100 (Notable)
24 May 1999	Newark Ag Farm, US	daily rain	48.5 mm (1.9 in)	5.1 mm (0.20 in)	104 years	44 of 100 (Notable)
24 May 1999	Lybrook, US	daily rain	26.7 mm (1.1 in)	23.4 mm (0.9 in)	1 year	44 of 100 (Notable)
24 May 1999	Ciudad Serdan (Smn), MX	monthly low min	-4.4 C (24.1 F)	4.4 C (7.9 F)	38 years	43 of 100 (Notable)
24 May 1999	Manistique Wwtp, US	daily low max	7.8 C (46.0 F)	1.6 C (2.9 F)	101 years	43 of 100 (Notable)
24 May 1999	Purcell 2 SW, US	daily low min	4.4 C (39.9 F)	1.7 C (3.1 F)	104 years	43 of 100 (Notable)
24 May 1999	Huetamo, MX	daily low max	32.8 C (91.0 F)	3.3 C (5.9 F)	70 years	42 of 100 (Notable)
24 May 1999	Newburyport, US	daily rain	28.7 mm (1.1 in)	2.5 mm (0.10 in)	104 years	42 of 100 (Notable)
24 May 1999	Ribeiro Goncalves, BR	daily rain	44.6 mm (1.8 in)	44.6 mm (1.8 in)	36 years	41 of 100 (Notable)
24 May 1999	Hingham, US	daily rain	62.2 mm (2.4 in)	39.3 mm (1.5 in)	20 years	41 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

1794 to 1999

Records set or tied on this calendar date in each year from 1794 to 1999. 1999 had 806 records.

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

Records on 05-24 in each year
Year	Records
1794	1
1795	1
1797	1
1817	1
1831	1
1837	2
1838	1
1840	1
1841	2
1844	1
1847	3
1848	1
1864	1
1865	1
1866	5
1867	7
1868	2
1870	1
1877	2
1880	2
1882	2
1884	2
1886	2
1888	1
1889	3
1890	3
1891	4
1892	1
1893	8
1894	1
1895	1
1896	1
1897	5
1898	4
1899	7
1900	5
1901	7
1902	8
1903	9
1904	14
1905	16
1906	36
1907	15
1908	16
1909	16
1910	34
1911	28
1912	41
1913	30
1914	35
1915	8
1916	19
1917	86
1918	27
1919	25
1920	38
1921	139
1922	101
1923	106
1924	334
1925	347
1926	284
1927	221
1928	290
1929	112
1930	173
1931	475
1932	251
1933	477
1934	196
1935	426
1936	432
1937	187
1938	438
1939	498
1940	289
1941	499
1942	245
1943	439
1944	710
1945	226
1946	501
1947	456
1948	250
1949	436
1950	640
1951	881
1952	720
1953	1,005
1954	260
1955	841
1956	1,027
1957	513
1958	825
1959	315
1960	476
1961	301
1962	479
1963	734
1964	852
1965	502
1966	340
1967	904
1968	568
1969	408
1970	329
1971	625
1972	487
1973	533
1974	584
1975	886
1976	411
1977	997
1978	797
1979	1,115
1980	978
1981	758
1982	725
1983	1,332
1984	737
1985	637
1986	573
1987	664
1988	689
1989	1,346
1990	923
1991	1,495
1992	1,562
1993	826
1994	832
1995	1,247
1996	1,367
1997	1,028
1998	931
1999	806
2000	1,549
2001	1,335
2002	1,163
2003	1,011
2004	1,276
2005	967
2006	994
2007	1,349
2008	1,173
2009	970
2010	1,699
2011	1,026
2012	983
2013	861
2014	757
2015	501
2016	408
2017	876
2018	595
2019	750
2020	517
2021	583
2022	709
2023	353
2024	930
2025	542
2026	877

Download the Data

Data for records on 1999-05-24: 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 100	624
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1