Weather Records on 18 May 2004

847 weather records were set or tied worldwide on 18 May 2004. Highest significance: Coshocton Wpc Plt, US.

Key Facts for 18 May 2004

On 18 May 2004, 847 weather records were set or tied at long-record stations worldwide.
328 were record highs and 159 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 58 monthly and 787 daily.
Coshocton Wpc Plt set a daily record precipitation of 67.1 mm (2.6 in) on 18 May 2004.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 440 records.

Record Map

847 stations

847 station records on 18 May 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coshocton Wpc Plt	United States	Record daily precipitation	67.1 mm (2.6 in)	77 of 100 (Major)
Goshen	United States	Record daily precipitation	132.1 mm (5.2 in)	67 of 100 (Major)
Ovstedal	Norway	Record daily precipitation	123.1 mm (4.8 in)	66 of 100 (Major)
Albany	United States	Record daily precipitation	51.1 mm (2.0 in)	63 of 100 (Major)
Belair (State Flora Nursery)	Australia	Record daily precipitation	58.0 mm (2.3 in)	62 of 100 (Major)
Sogndal - Selseng	Norway	Record daily precipitation	47.8 mm (1.9 in)	62 of 100 (Major)
Opstveit	Norway	Record daily precipitation	105.0 mm (4.1 in)	62 of 100 (Major)
Maristova	Norway	Record daily precipitation	38.5 mm (1.5 in)	61 of 100 (Major)
Briksdal	Norway	Record daily precipitation	49.8 mm (2.0 in)	60 of 100 (Major)
Vik I Sogn III	Norway	Record daily precipitation	35.7 mm (1.4 in)	60 of 100 (Major)
Kvale	Norway	Record daily precipitation	80.2 mm (3.2 in)	60 of 100 (Major)
Erldunda	Australia	Record daily precipitation	46.0 mm (1.8 in)	58 of 100 (Notable)
Curtin Springs	Australia	Record daily precipitation	47.4 mm (1.9 in)	56 of 100 (Notable)
Prineville	United States	Record daily precipitation	40.9 mm (1.6 in)	56 of 100 (Notable)
San Felipe Usila	Mexico	Record daily precipitation	157.2 mm (6.2 in)	55 of 100 (Notable)
Sunndalsora III	Norway	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Gullbra	Norway	Record daily precipitation	70.2 mm (2.8 in)	54 of 100 (Notable)
Maryville 2E	United States	Record daily precipitation	53.6 mm (2.1 in)	54 of 100 (Notable)
Ochoco Rs	United States	Record daily precipitation	50.8 mm (2.0 in)	54 of 100 (Notable)
Ovre Ardal	Norway	Record daily precipitation	33.0 mm (1.3 in)	53 of 100 (Notable)
Newhaven	Australia	Record daily precipitation	38.0 mm (1.5 in)	52 of 100 (Notable)
Quitman 2 NW	United States	Record daily precipitation	58.9 mm (2.3 in)	52 of 100 (Notable)
Galiwinku	Australia	Record daily precipitation	52.0 mm (2.0 in)	51 of 100 (Notable)
Hastings	United States	Record daily precipitation	34.8 mm (1.4 in)	49 of 100 (Notable)
Camballin	Australia	Record daily precipitation	35.0 mm (1.4 in)	48 of 100 (Notable)
Bulken	Norway	Record daily precipitation	47.8 mm (1.9 in)	48 of 100 (Notable)
Oksendal	Norway	Record daily precipitation	35.4 mm (1.4 in)	48 of 100 (Notable)
Eresfjord	Norway	Record daily precipitation	45.1 mm (1.8 in)	48 of 100 (Notable)
Brekke I Sogn	Norway	Record daily precipitation	82.0 mm (3.2 in)	47 of 100 (Notable)
Andalsnes	Norway	Record daily precipitation	40.2 mm (1.6 in)	47 of 100 (Notable)
Gronning	Norway	Record daily precipitation	34.1 mm (1.3 in)	47 of 100 (Notable)
Rutland	United States	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Hildre	Norway	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Tarkio	United States	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Adelaide (Morphett Vale)	Australia	Record daily precipitation	26.0 mm (1.0 in)	44 of 100 (Notable)
Litang	China	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Veitastrond	Norway	Record daily precipitation	47.3 mm (1.9 in)	44 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Derby Aero	Australia	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Takle	Norway	Record daily precipitation	71.2 mm (2.8 in)	43 of 100 (Notable)
Rorvikvatn Ved Vadheim	Norway	Record daily precipitation	64.6 mm (2.5 in)	42 of 100 (Notable)
Orskog	Norway	Record daily precipitation	38.8 mm (1.5 in)	42 of 100 (Notable)
Ulan-Ude	Russia	Record high minimum temperature	14.9 C (58.8 F)	42 of 100 (Notable)
Hamburg	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Albright	United States	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	39.6 mm (1.6 in)	41 of 100 (Notable)
Heber	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Kulgera	Australia	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Brusdalsvatn II	Norway	Record daily precipitation	30.9 mm (1.2 in)	40 of 100 (Notable)
Toms River	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Ellendale	Australia	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Hawker	Australia	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Kersbrook (Mabenjo)	Australia	Record daily precipitation	42.0 mm (1.7 in)	39 of 100 (Notable)
Second Valley Forest	Australia	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Eikemo	Norway	Record daily precipitation	69.8 mm (2.7 in)	39 of 100 (Notable)
Blinman (Moolooloo)	Australia	Record daily precipitation	25.6 mm (1.0 in)	38 of 100 (Notable)
San Diego Curupatzeo	Mexico	Record low minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Ahualulco	Mexico	Record daily precipitation	85.3 mm (3.4 in)	38 of 100 (Notable)
Lavik	Norway	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)

Counts by Type and Timescale

847 records

Records set or tied on 18 May 2004 by type: Highest daily maximum 140, Lowest daily maximum 77, Highest daily minimum 188, Lowest daily minimum 82, Heaviest daily rainfall 358, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 18 May 2004 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	77
Highest daily minimum	188
Lowest daily minimum	82
Heaviest daily rainfall	358
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 18 May 2004 by timescale: all-time 2, monthly 58, daily 787.

How Much Records Were Beaten By

698 broken records

Margins by which the 698 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 118.8. Ties are not counted.

Top 20 by Significance

18 May 2004

Top 20 records on 18 May 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 2004	Coshocton Wpc Plt, US	daily rain	67.1 mm (2.6 in)	40.2 mm (1.6 in)	94 years	77 of 100 (Major)
18 May 2004	Goshen, US	monthly rain	132.1 mm (5.2 in)	35.1 mm (1.4 in)	62 years	67 of 100 (Major)
18 May 2004	Ovstedal, NO	monthly rain	123.1 mm (4.8 in)	39.0 mm (1.5 in)	46 years	66 of 100 (Major)
18 May 2004	Albany, US	daily rain	51.1 mm (2.0 in)	32.8 mm (1.3 in)	96 years	63 of 100 (Major)
18 May 2004	Belair (State Flora Nursery), AU	daily rain	58.0 mm (2.3 in)	20.2 mm (0.8 in)	104 years	62 of 100 (Major)
18 May 2004	Sogndal - Selseng, NO	monthly rain	47.8 mm (1.9 in)	7.9 mm (0.31 in)	97 years	62 of 100 (Major)
18 May 2004	Opstveit, NO	monthly rain	105.0 mm (4.1 in)	45.0 mm (1.8 in)	31 years	62 of 100 (Major)
18 May 2004	Maristova, NO	daily rain	38.5 mm (1.5 in)	26.0 mm (1.0 in)	38 years	61 of 100 (Major)
18 May 2004	Briksdal, NO	daily rain	49.8 mm (2.0 in)	33.9 mm (1.3 in)	34 years	60 of 100 (Major)
18 May 2004	Vik I Sogn III, NO	daily rain	35.7 mm (1.4 in)	21.6 mm (0.9 in)	34 years	60 of 100 (Major)
18 May 2004	Kvale, NO	monthly rain	80.2 mm (3.2 in)	31.5 mm (1.2 in)	25 years	60 of 100 (Major)
18 May 2004	Erldunda, AU	daily rain	46.0 mm (1.8 in)	43.5 mm (1.7 in)	37 years	58 of 100 (Notable)
18 May 2004	Curtin Springs, AU	daily rain	47.4 mm (1.9 in)	45.6 mm (1.8 in)	37 years	56 of 100 (Notable)
18 May 2004	Prineville, US	daily rain	40.9 mm (1.6 in)	29.0 mm (1.1 in)	23 years	56 of 100 (Notable)
18 May 2004	San Felipe Usila, MX	daily rain	157.2 mm (6.2 in)	118.8 mm (4.7 in)	36 years	55 of 100 (Notable)
18 May 2004	Sunndalsora III, NO	daily rain	35.8 mm (1.4 in)	23.0 mm (0.9 in)	39 years	55 of 100 (Notable)
18 May 2004	Gullbra, NO	daily rain	70.2 mm (2.8 in)	40.0 mm (1.6 in)	34 years	54 of 100 (Notable)
18 May 2004	Maryville 2E, US	daily rain	53.6 mm (2.1 in)	19.8 mm (0.8 in)	105 years	54 of 100 (Notable)
18 May 2004	Ochoco Rs, US	monthly rain	50.8 mm (2.0 in)	11.2 mm (0.4 in)	48 years	54 of 100 (Notable)
18 May 2004	Ovre Ardal, NO	monthly rain	33.0 mm (1.3 in)	14.1 mm (0.6 in)	0 years	53 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 2004

Records set or tied on this calendar date in each year from 1796 to 2004. 2004 had 847 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 2004-05-18: 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).

Margin	Records
0 to 20	646
20 to 40	41
40 to 60	10
60 to 80	0
80 to 100	0
100 to 120	1