Weather Records on 18 May 1990

753 weather records were set or tied worldwide on 18 May 1990. Highest significance: Pine Ridge (Billabong), AU.

Key Facts for 18 May 1990

On 18 May 1990, 753 weather records were set or tied at long-record stations worldwide.
209 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 18 monthly and 731 daily.
Pine Ridge (Billabong) set a daily record precipitation of 72.0 mm (2.8 in) on 18 May 1990.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 441 records.

Record Map

753 stations

753 station records on 18 May 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pine Ridge (Billabong)	Australia	Record daily precipitation	72.0 mm (2.8 in)	64 of 100 (Major)
Millmerran Post Office	Australia	Record daily precipitation	83.0 mm (3.3 in)	63 of 100 (Major)
Balgownie West	Australia	Record daily precipitation	70.2 mm (2.8 in)	61 of 100 (Major)
Western Creek	Australia	Record daily precipitation	70.0 mm (2.8 in)	61 of 100 (Major)
Premer Post Office	Australia	Record daily precipitation	43.0 mm (1.7 in)	61 of 100 (Major)
Tottori	Japan	Record daily precipitation	245.6 mm (9.7 in)	61 of 100 (Major)
Uralla (Dumaresq St)	Australia	Record daily precipitation	51.0 mm (2.0 in)	59 of 100 (Notable)
Allora Post Office	Australia	Record daily precipitation	68.0 mm (2.7 in)	55 of 100 (Notable)
Victoria Hill	Australia	Record daily precipitation	72.5 mm (2.9 in)	54 of 100 (Notable)
Bastanka	Ukraine	Record daily precipitation	35.3 mm (1.4 in)	54 of 100 (Notable)
Yuleba Garden St	Australia	Record daily precipitation	33.0 mm (1.3 in)	53 of 100 (Notable)
Englesberg Village	Australia	Record daily precipitation	48.0 mm (1.9 in)	52 of 100 (Notable)
Narrabri West Post Office	Australia	Record daily precipitation	82.8 mm (3.3 in)	50 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	117.3 mm (4.6 in)	49 of 100 (Notable)
Yagaburne	Australia	Record daily precipitation	58.0 mm (2.3 in)	48 of 100 (Notable)
Tarome	Australia	Record daily precipitation	54.0 mm (2.1 in)	47 of 100 (Notable)
Eurongilly (Bundaleer)	Australia	Record daily precipitation	27.0 mm (1.1 in)	46 of 100 (Notable)
Coonamble Comparison	Australia	Record daily precipitation	31.0 mm (1.2 in)	44 of 100 (Notable)
Tambar Springs Post Office	Australia	Record daily precipitation	64.8 mm (2.6 in)	44 of 100 (Notable)
Clifton Post Office	Australia	Record daily precipitation	59.2 mm (2.3 in)	43 of 100 (Notable)
Wentworth (Woodlands)	Australia	Record daily precipitation	25.0 mm (1.0 in)	43 of 100 (Notable)
O'Connell (Stratford)	Australia	Record daily precipitation	31.6 mm (1.2 in)	43 of 100 (Notable)
Moogerah Dam	Australia	Record daily precipitation	56.8 mm (2.2 in)	42 of 100 (Notable)
N Creek 5 SE	United States	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Boonah Stark Ave	Australia	Record daily precipitation	54.0 mm (2.1 in)	41 of 100 (Notable)
Grandchester Symes St	Australia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Back Plains	Australia	Record daily precipitation	50.4 mm (2.0 in)	40 of 100 (Notable)
Tosari	Australia	Record daily precipitation	68.0 mm (2.7 in)	39 of 100 (Notable)
Woomargama Estate	Australia	Record daily precipitation	53.8 mm (2.1 in)	39 of 100 (Notable)
Hilland 2 NW	United States	Record daily precipitation	30.7 mm (1.2 in)	39 of 100 (Notable)
Tallebudgera Guineas Creek Roa	Australia	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Little Nerang Dam	Australia	Record daily precipitation	90.0 mm (3.5 in)	38 of 100 (Notable)
Leyburn	Australia	Record daily precipitation	104.0 mm (4.1 in)	38 of 100 (Notable)
Wapengo Lake Road	Australia	Record daily precipitation	81.0 mm (3.2 in)	38 of 100 (Notable)
Medford	United States	Record low maximum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Glen Cairn	Australia	Record daily precipitation	55.0 mm (2.2 in)	37 of 100 (Notable)
Orabah (Manilla (Warrabah))	Australia	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Running Stream (Brooklyn)	Australia	Record daily precipitation	29.2 mm (1.1 in)	37 of 100 (Notable)
Tooraweenah (Denham St)	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Newcastle	United States	Record daily precipitation	67.3 mm (2.6 in)	37 of 100 (Notable)
Port Augusta Railway Station	Australia	Record daily precipitation	27.0 mm (1.1 in)	36 of 100 (Notable)
Widgee	Australia	Record daily precipitation	48.6 mm (1.9 in)	36 of 100 (Notable)
Upper Forest Springs	Australia	Record daily precipitation	57.4 mm (2.3 in)	36 of 100 (Notable)
Alfalfa	Australia	Record daily precipitation	67.8 mm (2.7 in)	36 of 100 (Notable)
Goonumbla (Avondale)	Australia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Coonamble (Nardoo)	Australia	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	57.2 mm (2.3 in)	36 of 100 (Notable)
Wewahitchka	United States	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Springbrook Forestry	Australia	Record daily precipitation	67.0 mm (2.6 in)	35 of 100 (Notable)
Leyburn Post Office	Australia	Record daily precipitation	96.2 mm (3.8 in)	35 of 100 (Notable)
Glen Alvon	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Fernlee	Australia	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Bourges	France	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Cooperstown	United States	Record low minimum temperature	-2.8 C (27.0 F)	35 of 100 (Notable)
Pratten	Australia	Record daily precipitation	61.2 mm (2.4 in)	34 of 100 (Routine)
Turallin	Australia	Record daily precipitation	81.2 mm (3.2 in)	34 of 100 (Routine)
Riverside	Australia	Record daily precipitation	57.0 mm (2.2 in)	34 of 100 (Routine)
Millvale	Australia	Record daily precipitation	41.0 mm (1.6 in)	34 of 100 (Routine)
Purlewaugh (Byfield)	Australia	Record daily precipitation	47.4 mm (1.9 in)	34 of 100 (Routine)
Numinbah State Farm	Australia	Record daily precipitation	61.2 mm (2.4 in)	33 of 100 (Routine)

Counts by Type and Timescale

753 records

Records set or tied on 18 May 1990 by type: Highest daily maximum 59, Lowest daily maximum 62, Highest daily minimum 150, Lowest daily minimum 96, Heaviest daily rainfall 386.

Records on 18 May 1990 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	62
Highest daily minimum	150
Lowest daily minimum	96
Heaviest daily rainfall	386
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 May 1990 by timescale: all-time 4, monthly 18, daily 731.

How Much Records Were Beaten By

620 broken records

Margins by which the 620 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.2. Ties are not counted.

Top 20 by Significance

18 May 1990

Top 20 records on 18 May 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1990	Pine Ridge (Billabong), AU	daily rain	72.0 mm (2.8 in)	51.7 mm (2.0 in)	57 years	64 of 100 (Major)
18 May 1990	Millmerran Post Office, AU	monthly rain	83.0 mm (3.3 in)	21.3 mm (0.8 in)	86 years	63 of 100 (Major)
18 May 1990	Balgownie West, AU	daily rain	70.2 mm (2.8 in)	31.6 mm (1.2 in)	76 years	61 of 100 (Major)
18 May 1990	Western Creek, AU	daily rain	70.0 mm (2.8 in)	35.5 mm (1.4 in)	76 years	61 of 100 (Major)
18 May 1990	Premer Post Office, AU	daily rain	43.0 mm (1.7 in)	26.5 mm (1.0 in)	95 years	61 of 100 (Major)
18 May 1990	Tottori, JP	all-time rain	245.6 mm (9.7 in)	45.7 mm (1.8 in)	9 years	61 of 100 (Major)
18 May 1990	Uralla (Dumaresq St), AU	daily rain	51.0 mm (2.0 in)	35.8 mm (1.4 in)	35 years	59 of 100 (Notable)
18 May 1990	Allora Post Office, AU	daily rain	68.0 mm (2.7 in)	24.6 mm (1.0 in)	76 years	55 of 100 (Notable)
18 May 1990	Victoria Hill, AU	daily rain	72.5 mm (2.9 in)	33.1 mm (1.3 in)	76 years	54 of 100 (Notable)
18 May 1990	Bastanka, UA	daily rain	35.3 mm (1.4 in)	29.3 mm (1.2 in)	36 years	54 of 100 (Notable)
18 May 1990	Yuleba Garden St, AU	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	95 years	53 of 100 (Notable)
18 May 1990	Englesberg Village, AU	daily rain	48.0 mm (1.9 in)	20.6 mm (0.8 in)	95 years	52 of 100 (Notable)
18 May 1990	Narrabri West Post Office, AU	daily rain	82.8 mm (3.3 in)	54.4 mm (2.1 in)	1 year	50 of 100 (Notable)
18 May 1990	Hot Springs, US	all-time rain	117.3 mm (4.6 in)	22.0 mm (0.9 in)	5 years	49 of 100 (Notable)
18 May 1990	Yagaburne, AU	monthly rain	58.0 mm (2.3 in)	0.8 mm (0.03 in)	96 years	48 of 100 (Notable)
18 May 1990	Tarome, AU	daily rain	54.0 mm (2.1 in)	33.4 mm (1.3 in)	76 years	47 of 100 (Notable)
18 May 1990	Eurongilly (Bundaleer), AU	daily rain	27.0 mm (1.1 in)	11.5 mm (0.5 in)	79 years	46 of 100 (Notable)
18 May 1990	Coonamble Comparison, AU	daily rain	31.0 mm (1.2 in)	13.2 mm (0.5 in)	73 years	44 of 100 (Notable)
18 May 1990	Tambar Springs Post Office, AU	daily rain	64.8 mm (2.6 in)	40.8 mm (1.6 in)	1 year	44 of 100 (Notable)
18 May 1990	Clifton Post Office, AU	daily rain	59.2 mm (2.3 in)	23.1 mm (0.9 in)	37 years	43 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

1796 to 1990

Records set or tied on this calendar date in each year from 1796 to 1990. 1990 had 753 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1990-05-18: 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).

Histogram of margins by which records were beaten on 18 May 1990
Margin	Records
0 to 10	469
10 to 20	72
20 to 30	41
30 to 40	26
40 to 50	7
50 to 60	5