Weather Records on 11 May 1974

795 weather records were set or tied worldwide on 11 May 1974. Highest significance: Koorda, AU.

Key Facts for 11 May 1974

On 11 May 1974, 795 weather records were set or tied at long-record stations worldwide.
111 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 774 daily.
Koorda set a monthly record daily precipitation of 67.9 mm (2.7 in) on 11 May 1974.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 461 records.

Record Map

795 stations

795 station records on 11 May 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Koorda	Australia	Record daily precipitation	67.9 mm (2.7 in)	67 of 100 (Major)
Merredin	Australia	Record daily precipitation	42.6 mm (1.7 in)	64 of 100 (Major)
Lake Grace Comparison	Australia	Record daily precipitation	49.2 mm (1.9 in)	63 of 100 (Major)
Wychitella	Australia	Record daily precipitation	40.2 mm (1.6 in)	63 of 100 (Major)
Barberton	Australia	Record daily precipitation	35.6 mm (1.4 in)	62 of 100 (Major)
Mindalla	Australia	Record daily precipitation	44.0 mm (1.7 in)	62 of 100 (Major)
Gabbin	Australia	Record daily precipitation	41.6 mm (1.6 in)	62 of 100 (Major)
Kununoppin	Australia	Record daily precipitation	45.0 mm (1.8 in)	62 of 100 (Major)
Trayning	Australia	Record daily precipitation	53.8 mm (2.1 in)	62 of 100 (Major)
St Albans	Australia	Record daily precipitation	40.1 mm (1.6 in)	62 of 100 (Major)
Wye Wye	Australia	Record daily precipitation	36.2 mm (1.4 in)	60 of 100 (Major)
Koorikin	Australia	Record daily precipitation	32.4 mm (1.3 in)	60 of 100 (Major)
Moningarin	Australia	Record daily precipitation	45.2 mm (1.8 in)	58 of 100 (Notable)
Berkshire Valley	Australia	Record daily precipitation	44.8 mm (1.8 in)	57 of 100 (Notable)
Indarrie	Australia	Record daily precipitation	39.0 mm (1.5 in)	57 of 100 (Notable)
Moora	Australia	Record daily precipitation	37.0 mm (1.5 in)	57 of 100 (Notable)
Mount Pleasant Farm	Australia	Record daily precipitation	40.0 mm (1.6 in)	57 of 100 (Notable)
Quondong	Australia	Record daily precipitation	39.0 mm (1.5 in)	57 of 100 (Notable)
Gabbin North	Australia	Record daily precipitation	37.0 mm (1.5 in)	57 of 100 (Notable)
Mulji Vale	Australia	Record daily precipitation	44.0 mm (1.7 in)	57 of 100 (Notable)
Edenholme	Australia	Record daily precipitation	49.4 mm (1.9 in)	57 of 100 (Notable)
Bungulla	Australia	Record daily precipitation	41.0 mm (1.6 in)	56 of 100 (Notable)
Gunnerside	Australia	Record daily precipitation	38.2 mm (1.5 in)	56 of 100 (Notable)
Bathurst	Australia	Record daily precipitation	39.6 mm (1.6 in)	56 of 100 (Notable)
Watheroo	Australia	Record daily precipitation	38.4 mm (1.5 in)	55 of 100 (Notable)
Ygnattering	Australia	Record daily precipitation	38.0 mm (1.5 in)	55 of 100 (Notable)
Kulin	Australia	Record daily precipitation	41.0 mm (1.6 in)	55 of 100 (Notable)
Pingrup South	Australia	Record daily precipitation	35.2 mm (1.4 in)	55 of 100 (Notable)
Bencubbin	Australia	Record daily precipitation	35.5 mm (1.4 in)	54 of 100 (Notable)
Merredin Research Station	Australia	Record daily precipitation	30.8 mm (1.2 in)	54 of 100 (Notable)
Glenferrie	Australia	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Kokardine	Australia	Record daily precipitation	26.6 mm (1.0 in)	53 of 100 (Notable)
Wongan Hills	Australia	Record daily precipitation	57.1 mm (2.2 in)	53 of 100 (Notable)
Korrelocking Post Office	Australia	Record daily precipitation	28.0 mm (1.1 in)	53 of 100 (Notable)
Corrigin	Australia	Record daily precipitation	29.4 mm (1.2 in)	53 of 100 (Notable)
Coomberdale	Australia	Record daily precipitation	31.2 mm (1.2 in)	52 of 100 (Notable)
Wadderin	Australia	Record daily precipitation	37.0 mm (1.5 in)	52 of 100 (Notable)
Walk Walkin	Australia	Record daily precipitation	37.0 mm (1.5 in)	52 of 100 (Notable)
Bendering	Australia	Record daily precipitation	35.8 mm (1.4 in)	52 of 100 (Notable)
Roselea	Australia	Record daily precipitation	32.8 mm (1.3 in)	52 of 100 (Notable)
Onawa 3NW	United States	Record daily precipitation	59.4 mm (2.3 in)	52 of 100 (Notable)
Latham East	Australia	Record daily precipitation	27.4 mm (1.1 in)	51 of 100 (Notable)
Miling	Australia	Record daily precipitation	42.0 mm (1.7 in)	51 of 100 (Notable)
Belka	Australia	Record daily precipitation	37.8 mm (1.5 in)	51 of 100 (Notable)
Millston	Australia	Record daily precipitation	34.2 mm (1.3 in)	51 of 100 (Notable)
Booralee	Australia	Record daily precipitation	34.2 mm (1.3 in)	51 of 100 (Notable)
Kojonup	Australia	Record daily precipitation	29.8 mm (1.2 in)	51 of 100 (Notable)
Barnong	Australia	Record daily precipitation	41.6 mm (1.6 in)	50 of 100 (Notable)
Walebing	Australia	Record daily precipitation	37.4 mm (1.5 in)	50 of 100 (Notable)
Narembeen	Australia	Record daily precipitation	35.0 mm (1.4 in)	50 of 100 (Notable)
The Warriups	Australia	Record daily precipitation	32.0 mm (1.3 in)	50 of 100 (Notable)
Coweeta Exp STN	United States	Record daily precipitation	83.6 mm (3.3 in)	50 of 100 (Notable)
Casuarina Vale	Australia	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Minnivale Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Wonnaminta	Australia	Record daily precipitation	31.2 mm (1.2 in)	49 of 100 (Notable)
Whyalla (Tregalana)	Australia	Record daily precipitation	30.7 mm (1.2 in)	49 of 100 (Notable)
Boodjerakine	Australia	Record daily precipitation	37.2 mm (1.5 in)	48 of 100 (Notable)
Barooga	Australia	Record daily precipitation	30.8 mm (1.2 in)	48 of 100 (Notable)
Nanda Downs	Australia	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Lucinda Township	Australia	Record daily precipitation	72.4 mm (2.9 in)	48 of 100 (Notable)

Counts by Type and Timescale

795 records

Records set or tied on 11 May 1974 by type: Highest daily maximum 68, Lowest daily maximum 38, Highest daily minimum 43, Lowest daily minimum 29, Heaviest daily rainfall 612, Heaviest daily snowfall 4, Deepest snow cover 1.

Records on 11 May 1974 by type
Record type	Records
Highest daily maximum	68
Lowest daily maximum	38
Highest daily minimum	43
Lowest daily minimum	29
Heaviest daily rainfall	612
Heaviest daily snowfall	4
Deepest snow cover	1

Records on 11 May 1974 by timescale: all-time 0, monthly 21, daily 774.

How Much Records Were Beaten By

741 broken records

Margins by which the 741 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

11 May 1974

Top 20 records on 11 May 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1974	Koorda, AU	monthly rain	67.9 mm (2.7 in)	26.5 mm (1.0 in)	36 years	67 of 100 (Major)
11 May 1974	Merredin, AU	daily rain	42.6 mm (1.7 in)	32.4 mm (1.3 in)	59 years	64 of 100 (Major)
11 May 1974	Lake Grace Comparison, AU	daily rain	49.2 mm (1.9 in)	38.5 mm (1.5 in)	59 years	63 of 100 (Major)
11 May 1974	Wychitella, AU	daily rain	40.2 mm (1.6 in)	29.0 mm (1.1 in)	59 years	63 of 100 (Major)
11 May 1974	Barberton, AU	daily rain	35.6 mm (1.4 in)	28.0 mm (1.1 in)	53 years	62 of 100 (Major)
11 May 1974	Mindalla, AU	daily rain	44.0 mm (1.7 in)	35.4 mm (1.4 in)	56 years	62 of 100 (Major)
11 May 1974	Gabbin, AU	daily rain	41.6 mm (1.6 in)	35.2 mm (1.4 in)	56 years	62 of 100 (Major)
11 May 1974	Kununoppin, AU	daily rain	45.0 mm (1.8 in)	38.9 mm (1.5 in)	56 years	62 of 100 (Major)
11 May 1974	Trayning, AU	daily rain	53.8 mm (2.1 in)	37.0 mm (1.5 in)	56 years	62 of 100 (Major)
11 May 1974	St Albans, AU	daily rain	40.1 mm (1.6 in)	26.9 mm (1.1 in)	59 years	62 of 100 (Major)
11 May 1974	Wye Wye, AU	daily rain	36.2 mm (1.4 in)	28.6 mm (1.1 in)	53 years	60 of 100 (Major)
11 May 1974	Koorikin, AU	daily rain	32.4 mm (1.3 in)	26.0 mm (1.0 in)	53 years	60 of 100 (Major)
11 May 1974	Moningarin, AU	daily rain	45.2 mm (1.8 in)	37.1 mm (1.5 in)	43 years	58 of 100 (Notable)
11 May 1974	Berkshire Valley, AU	daily rain	44.8 mm (1.8 in)	30.8 mm (1.2 in)	43 years	57 of 100 (Notable)
11 May 1974	Indarrie, AU	daily rain	39.0 mm (1.5 in)	30.1 mm (1.2 in)	43 years	57 of 100 (Notable)
11 May 1974	Moora, AU	daily rain	37.0 mm (1.5 in)	25.6 mm (1.0 in)	56 years	57 of 100 (Notable)
11 May 1974	Mount Pleasant Farm, AU	daily rain	40.0 mm (1.6 in)	33.9 mm (1.3 in)	43 years	57 of 100 (Notable)
11 May 1974	Quondong, AU	daily rain	39.0 mm (1.5 in)	27.1 mm (1.1 in)	40 years	57 of 100 (Notable)
11 May 1974	Gabbin North, AU	daily rain	37.0 mm (1.5 in)	27.9 mm (1.1 in)	43 years	57 of 100 (Notable)
11 May 1974	Mulji Vale, AU	daily rain	44.0 mm (1.7 in)	36.1 mm (1.4 in)	43 years	57 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

1814 to 1974

Records set or tied on this calendar date in each year from 1814 to 1974. 1974 had 795 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1974-05-11: 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	631
20 to 40	96
40 to 60	11
60 to 80	0
80 to 100	0
100 to 120	1
120 to 140	2