Weather Records on 18 July 2003

1,159 weather records were set or tied worldwide on 18 July 2003. Highest significance: Cape Kazantip (Lh), UA.

Key Facts for 18 July 2003

On 18 July 2003, 1,159 weather records were set or tied at long-record stations worldwide.
820 were record highs and 192 were record lows, counting maximum and minimum temperature.
By timescale, 13 were all-time records, 28 monthly and 1,118 daily.
Cape Kazantip (Lh) set a daily record precipitation of 50.3 mm (2.0 in) on 18 July 2003.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

1,159 stations

1,159 station records on 18 July 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Kazantip (Lh)	Ukraine	Record daily precipitation	50.3 mm (2.0 in)	61 of 100 (Major)
Ft Madison	United States	Record daily precipitation	69.3 mm (2.7 in)	58 of 100 (Notable)
Hogemalen	Sweden	Record daily precipitation	67.4 mm (2.7 in)	57 of 100 (Notable)
La Concha	Mexico	Record daily precipitation	180.3 mm (7.1 in)	53 of 100 (Notable)
Palisade	United States	Record high minimum temperature	25.6 C (78.1 F)	53 of 100 (Notable)
Tyrnava Temmes	Finland	Record daily precipitation	59.5 mm (2.3 in)	52 of 100 (Notable)
Verhnij_Baskuncak	Russia	Record daily precipitation	27.2 mm (1.1 in)	51 of 100 (Notable)
Las Barracas	Mexico	Record daily precipitation	69.9 mm (2.8 in)	50 of 100 (Notable)
Sanne	Sweden	Record daily precipitation	34.3 mm (1.4 in)	49 of 100 (Notable)
Walden	United States	Record high minimum temperature	13.3 C (55.9 F)	49 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	27.8 C (82.0 F)	48 of 100 (Notable)
Dalyup Park	Australia	Record daily precipitation	26.0 mm (1.0 in)	48 of 100 (Notable)
Mulege	Mexico	Record low minimum temperature	15.6 C (60.1 F)	48 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high minimum temperature	15.0 C (59.0 F)	48 of 100 (Notable)
Sugarloaf Rsvr	United States	Record high maximum temperature	31.7 C (89.1 F)	48 of 100 (Notable)
Hid	Sweden	Record daily precipitation	51.0 mm (2.0 in)	47 of 100 (Notable)
San Carlos Rsvr	United States	Record high maximum temperature	45.0 C (113.0 F)	47 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	71.4 mm (2.8 in)	47 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Rushville	United States	Record daily precipitation	132.1 mm (5.2 in)	47 of 100 (Notable)
Gorya Valley	Australia	Record daily precipitation	27.0 mm (1.1 in)	46 of 100 (Notable)
Houston	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Grass Patch	Australia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Kristinehamn	Sweden	Record daily precipitation	51.4 mm (2.0 in)	45 of 100 (Notable)
Ola	United States	Record high maximum temperature	40.6 C (105.1 F)	45 of 100 (Notable)
Tombstone	United States	Record low maximum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Kenmare 1 WSW	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Esperance Downs Research STN	Australia	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Acaponeta	Mexico	Record daily precipitation	190.8 mm (7.5 in)	42 of 100 (Notable)
Trinidad	United States	Record high maximum temperature	36.7 C (98.1 F)	42 of 100 (Notable)
Grace	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
New Orleans Algiers	United States	Record daily precipitation	77.2 mm (3.0 in)	42 of 100 (Notable)
Hamilton	United States	Record high maximum temperature	38.3 C (100.9 F)	42 of 100 (Notable)
Pyhajarvi Ol Lohvanpera	Finland	Record daily precipitation	57.1 mm (2.2 in)	41 of 100 (Notable)
El Islote	Mexico	Record daily precipitation	59.9 mm (2.4 in)	41 of 100 (Notable)
Susanville 2SW	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
I Dunno	Australia	Record daily precipitation	25.6 mm (1.0 in)	40 of 100 (Notable)
Griggsville	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Villa Purificacion (Dge)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Benton	United States	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Circle Hot Springs	United States	Record low minimum temperature	-3.9 C (25.0 F)	39 of 100 (Notable)
Lanna	Sweden	Record daily precipitation	31.3 mm (1.2 in)	38 of 100 (Notable)
Stockholm	Sweden	Record high maximum temperature	30.8 C (87.4 F)	38 of 100 (Notable)
Bloomfield 3 SE	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Fruitland	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Foxholm 7 N	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Salto de Agua (Dge)	Mexico	Record daily precipitation	81.8 mm (3.2 in)	37 of 100 (Notable)
Oksoey Fyr	Norway	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Havelund	Sweden	Record daily precipitation	39.7 mm (1.6 in)	37 of 100 (Notable)
Kupiansk	Ukraine	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Berkeley	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Cloquet	United States	Record low minimum temperature	1.1 C (34.0 F)	37 of 100 (Notable)
Denton	United States	Record high maximum temperature	36.1 C (97.0 F)	37 of 100 (Notable)
Melstone	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Morgan	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Eagle	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
San Isidro	Mexico	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
San Jose de Raices	Mexico	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Torungen Fyr	Norway	Record high minimum temperature	18.8 C (65.8 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,159 records

Records set or tied on 18 July 2003 by type: Highest daily maximum 397, Lowest daily maximum 77, Highest daily minimum 423, Lowest daily minimum 115, Heaviest daily rainfall 147.

Records on 18 July 2003 by type
Record type	Records
Highest daily maximum	397
Lowest daily maximum	77
Highest daily minimum	423
Lowest daily minimum	115
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 2003 by timescale: all-time 13, monthly 28, daily 1,118.

How Much Records Were Beaten By

856 broken records

Margins by which the 856 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 106.9. Ties are not counted.

Top 20 by Significance

18 July 2003

Top 20 records on 18 July 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 2003	Cape Kazantip (Lh), UA	daily rain	50.3 mm (2.0 in)	36.4 mm (1.4 in)	56 years	61 of 100 (Major)
18 July 2003	Ft Madison, US	daily rain	69.3 mm (2.7 in)	26.6 mm (1.0 in)	107 years	58 of 100 (Notable)
18 July 2003	Hogemalen, SE	daily rain	67.4 mm (2.7 in)	47.4 mm (1.9 in)	41 years	57 of 100 (Notable)
18 July 2003	La Concha, MX	daily rain	180.3 mm (7.1 in)	106.9 mm (4.2 in)	30 years	53 of 100 (Notable)
18 July 2003	Palisade, US	all-time high min	25.6 C (78.1 F)	1.2 C (2.2 F)	69 years	53 of 100 (Notable)
18 July 2003	Tyrnava Temmes, FI	all-time rain	59.5 mm (2.3 in)	18.1 mm (0.7 in)	1 year	52 of 100 (Notable)
18 July 2003	Verhnij_Baskuncak, RU	daily rain	27.2 mm (1.1 in)	19.7 mm (0.8 in)	42 years	51 of 100 (Notable)
18 July 2003	Las Barracas, MX	daily rain	69.9 mm (2.8 in)	63.0 mm (2.5 in)	32 years	50 of 100 (Notable)
18 July 2003	Sanne, SE	daily rain	34.3 mm (1.4 in)	27.0 mm (1.1 in)	24 years	49 of 100 (Notable)
18 July 2003	Walden, US	daily high min	13.3 C (55.9 F)	2.7 C (4.9 F)	105 years	49 of 100 (Notable)
18 July 2003	Tizi Ouzou, DZ	daily high min	27.8 C (82.0 F)	3.8 C (6.8 F)	80 years	48 of 100 (Notable)
18 July 2003	Dalyup Park, AU	daily rain	26.0 mm (1.0 in)	7.7 mm (0.30 in)	92 years	48 of 100 (Notable)
18 July 2003	Mulege, MX	daily low min	15.6 C (60.1 F)	5.0 C (9.0 F)	68 years	48 of 100 (Notable)
18 July 2003	Stornoway Airport, GB	daily high min	15.0 C (59.0 F)	1.7 C (3.1 F)	101 years	48 of 100 (Notable)
18 July 2003	Sugarloaf Rsvr, US	daily high max	31.7 C (89.1 F)	2.8 C (5.0 F)	101 years	48 of 100 (Notable)
18 July 2003	Hid, SE	daily rain	51.0 mm (2.0 in)	36.7 mm (1.4 in)	16 years	47 of 100 (Notable)
18 July 2003	San Carlos Rsvr, US	daily high max	45.0 C (113.0 F)	2.2 C (4.0 F)	101 years	47 of 100 (Notable)
18 July 2003	Mt Pulaski, US	daily rain	71.4 mm (2.8 in)	35.3 mm (1.4 in)	46 years	47 of 100 (Notable)
18 July 2003	Paris Stp, US	daily rain	45.7 mm (1.8 in)	10.9 mm (0.4 in)	102 years	47 of 100 (Notable)
18 July 2003	Rushville, US	monthly rain	132.1 mm (5.2 in)	33.0 mm (1.3 in)	17 years	47 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

1793 to 2003

Records set or tied on this calendar date in each year from 1793 to 2003. 2003 had 1,159 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 2003-07-18: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	830
20 to 40	21
40 to 60	2
60 to 80	2
80 to 100	0
100 to 120	1