Weather Records on 18 July 1974

729 weather records were set or tied worldwide on 18 July 1974. Highest significance: Northdown (Hamley), AU.

Key Facts for 18 July 1974

On 18 July 1974, 729 weather records were set or tied at long-record stations worldwide.
177 were record highs and 182 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 31 monthly and 697 daily.
Northdown (Hamley) set an all-time record daily precipitation of 149.6 mm (5.9 in) on 18 July 1974.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

729 stations

729 station records on 18 July 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Northdown (Hamley)	Australia	Record daily precipitation	149.6 mm (5.9 in)	79 of 100 (Major)
Warrnambool Shire Office	Australia	Record daily precipitation	39.0 mm (1.5 in)	70 of 100 (Major)
Robe Comparison	Australia	Record daily precipitation	33.0 mm (1.3 in)	67 of 100 (Major)
Lefroy	Australia	Record daily precipitation	82.2 mm (3.2 in)	64 of 100 (Major)
Low Head (Comparison)	Australia	Record daily precipitation	31.4 mm (1.2 in)	62 of 100 (Major)
Lilydale Post Office	Australia	Record daily precipitation	75.0 mm (3.0 in)	59 of 100 (Notable)
Gisela	United States	Record daily precipitation	66.0 mm (2.6 in)	58 of 100 (Notable)
Mount Gambier Post Office	Australia	Record daily precipitation	53.8 mm (2.1 in)	57 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	88.4 mm (3.5 in)	57 of 100 (Notable)
Edith Creek	Australia	Record daily precipitation	61.4 mm (2.4 in)	57 of 100 (Notable)
Grand Junction Walker Fld	United States	Record daily precipitation	35.3 mm (1.4 in)	56 of 100 (Notable)
Tyrendarra (Ellangowan)	Australia	Record daily precipitation	48.0 mm (1.9 in)	55 of 100 (Notable)
Railton (Cement Australia)	Australia	Record daily precipitation	72.0 mm (2.8 in)	55 of 100 (Notable)
Evanston 1 E	United States	Record daily precipitation	31.8 mm (1.3 in)	55 of 100 (Notable)
Cape Northumberland	Australia	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Yolla (Sea View)	Australia	Record daily precipitation	69.0 mm (2.7 in)	53 of 100 (Notable)
San Ignacio	Mexico	Record daily precipitation	70.9 mm (2.8 in)	53 of 100 (Notable)
Vladikavkaz	Russia	Record daily precipitation	36.1 mm (1.4 in)	53 of 100 (Notable)
Casper 2 E	United States	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Kapalama 773	United States	Record daily precipitation	39.4 mm (1.6 in)	52 of 100 (Notable)
Hampshire (Neena Road)	Australia	Record daily precipitation	68.2 mm (2.7 in)	50 of 100 (Notable)
Waimea 892	United States	Record daily precipitation	58.9 mm (2.3 in)	50 of 100 (Notable)
Millicent	Australia	Record daily precipitation	41.2 mm (1.6 in)	49 of 100 (Notable)
Nelson	Australia	Record daily precipitation	39.0 mm (1.5 in)	49 of 100 (Notable)
Devonport Harbour Master	Australia	Record daily precipitation	55.2 mm (2.2 in)	49 of 100 (Notable)
Ulverstone (Knights Road)	Australia	Record daily precipitation	57.6 mm (2.3 in)	49 of 100 (Notable)
Cottonwood 2 E	United States	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Wahiawa Dam 863	United States	Record daily precipitation	37.8 mm (1.5 in)	49 of 100 (Notable)
Kemoo Camp 8 855	United States	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Whitlands (Burder's Lane)	Australia	Record daily precipitation	81.6 mm (3.2 in)	47 of 100 (Notable)
Nabowla	Australia	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Moorina (Frome Dam)	Australia	Record daily precipitation	57.0 mm (2.2 in)	47 of 100 (Notable)
Kawaihapai 841	United States	Record daily precipitation	31.2 mm (1.2 in)	47 of 100 (Notable)
Dandongadale (Mountain View)	Australia	Record daily precipitation	60.0 mm (2.4 in)	46 of 100 (Notable)
Jesus del Monte	Mexico	Record low minimum temperature	0.6 C (33.1 F)	46 of 100 (Notable)
Uplands (Gibbo River Park)	Australia	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Whitfield	Australia	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)
Currie Post Office	Australia	Record daily precipitation	41.2 mm (1.6 in)	44 of 100 (Notable)
Melbourne Regional Office	Australia	Record high minimum temperature	11.2 C (52.2 F)	43 of 100 (Notable)
Warrnambool (Post Office)	Australia	Record daily precipitation	37.3 mm (1.5 in)	43 of 100 (Notable)
Kelso	Australia	Record daily precipitation	41.6 mm (1.6 in)	43 of 100 (Notable)
Tuba City	United States	Record low minimum temperature	4.4 C (39.9 F)	43 of 100 (Notable)
Pioneer (Main Road)	Australia	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Cygnet River	Australia	Record daily precipitation	26.6 mm (1.0 in)	41 of 100 (Notable)
Chambarak	Armenia	Record daily precipitation	28.1 mm (1.1 in)	40 of 100 (Notable)
Caveside	Australia	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Hatteras	United States	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Fairlight Station	Australia	Record daily precipitation	42.8 mm (1.7 in)	39 of 100 (Notable)
Gudgenby	Australia	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Cape Nelson Lighthouse Compari	Australia	Record daily precipitation	30.8 mm (1.2 in)	39 of 100 (Notable)
Latrobe (Coal Road)	Australia	Record daily precipitation	75.6 mm (3.0 in)	39 of 100 (Notable)
Delta	United States	Record low minimum temperature	5.0 C (41.0 F)	39 of 100 (Notable)
Mount Gambier Aero	Australia	Record daily precipitation	41.6 mm (1.6 in)	38 of 100 (Notable)
Brisbane Regional Office	Australia	Record high maximum temperature	26.2 C (79.2 F)	38 of 100 (Notable)
Ewa Plantation 741	United States	Record low maximum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Yass (Linton Hostel)	Australia	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Frankford (Rossville)	Australia	Record daily precipitation	79.4 mm (3.1 in)	37 of 100 (Notable)
Moltema (Craythorne)	Australia	Record daily precipitation	62.6 mm (2.5 in)	37 of 100 (Notable)
Aldersbach-Kriestorf	Germany	Record daily precipitation	43.5 mm (1.7 in)	37 of 100 (Notable)
San Luis Rio Colorado (Smn)	Mexico	Record low maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)

Counts by Type and Timescale

729 records

Records set or tied on 18 July 1974 by type: Highest daily maximum 67, Lowest daily maximum 105, Highest daily minimum 110, Lowest daily minimum 77, Heaviest daily rainfall 369, Deepest snow cover 1.

Records on 18 July 1974 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	105
Highest daily minimum	110
Lowest daily minimum	77
Heaviest daily rainfall	369
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 July 1974 by timescale: all-time 1, monthly 31, daily 697.

How Much Records Were Beaten By

595 broken records

Margins by which the 595 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 889.0. Ties are not counted.

Top 20 by Significance

18 July 1974

Top 20 records on 18 July 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1974	Northdown (Hamley), AU	all-time rain	149.6 mm (5.9 in)	63.7 mm (2.5 in)	45 years	79 of 100 (Major)
18 July 1974	Warrnambool Shire Office, AU	daily rain	39.0 mm (1.5 in)	23.5 mm (0.9 in)	68 years	70 of 100 (Major)
18 July 1974	Robe Comparison, AU	daily rain	33.0 mm (1.3 in)	16.2 mm (0.6 in)	102 years	67 of 100 (Major)
18 July 1974	Lefroy, AU	monthly rain	82.2 mm (3.2 in)	33.9 mm (1.3 in)	28 years	64 of 100 (Major)
18 July 1974	Low Head (Comparison), AU	daily rain	31.4 mm (1.2 in)	14.4 mm (0.6 in)	96 years	62 of 100 (Major)
18 July 1974	Lilydale Post Office, AU	daily rain	75.0 mm (3.0 in)	41.5 mm (1.6 in)	36 years	59 of 100 (Notable)
18 July 1974	Gisela, US	daily rain	66.0 mm (2.6 in)	34.2 mm (1.3 in)	44 years	58 of 100 (Notable)
18 July 1974	Mount Gambier Post Office, AU	monthly rain	53.8 mm (2.1 in)	4.5 mm (0.18 in)	111 years	57 of 100 (Notable)
18 July 1974	Beaconsfield (Mine & Heritage, AU	monthly rain	88.4 mm (3.5 in)	28.7 mm (1.1 in)	33 years	57 of 100 (Notable)
18 July 1974	Edith Creek, AU	daily rain	61.4 mm (2.4 in)	39.3 mm (1.5 in)	40 years	57 of 100 (Notable)
18 July 1974	Grand Junction Walker Fld, US	monthly rain	35.3 mm (1.4 in)	10.9 mm (0.4 in)	32 years	56 of 100 (Notable)
18 July 1974	Tyrendarra (Ellangowan), AU	monthly rain	48.0 mm (1.9 in)	12.9 mm (0.5 in)	52 years	55 of 100 (Notable)
18 July 1974	Railton (Cement Australia), AU	daily rain	72.0 mm (2.8 in)	42.8 mm (1.7 in)	44 years	55 of 100 (Notable)
18 July 1974	Evanston 1 E, US	daily rain	31.8 mm (1.3 in)	18.3 mm (0.7 in)	40 years	55 of 100 (Notable)
18 July 1974	Cape Northumberland, AU	daily rain	32.0 mm (1.3 in)	7.6 mm (0.30 in)	102 years	53 of 100 (Notable)
18 July 1974	Yolla (Sea View), AU	daily rain	69.0 mm (2.7 in)	33.2 mm (1.3 in)	60 years	53 of 100 (Notable)
18 July 1974	San Ignacio, MX	monthly rain	70.9 mm (2.8 in)	50.1 mm (2.0 in)	1 year	53 of 100 (Notable)
18 July 1974	Vladikavkaz, RU	daily rain	36.1 mm (1.4 in)	21.6 mm (0.9 in)	81 years	53 of 100 (Notable)
18 July 1974	Casper 2 E, US	daily rain	35.6 mm (1.4 in)	25.4 mm (1.0 in)	45 years	53 of 100 (Notable)
18 July 1974	Kapalama 773, US	daily rain	39.4 mm (1.6 in)	24.2 mm (1.0 in)	28 years	52 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 1974

Records set or tied on this calendar date in each year from 1793 to 1974. 1974 had 729 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 1974-07-18: 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 2026-10-17 (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 200	594
200 to 400	0
400 to 600	0
600 to 800	0
800 to 1000	1