Weather Records on 15 May 1974

1,230 weather records were set or tied worldwide on 15 May 1974. Highest significance: Hay (Miller Street), AU.

Key Facts for 15 May 1974

On 15 May 1974, 1,230 weather records were set or tied at long-record stations worldwide.
300 were record highs and 247 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 105 monthly and 1,122 daily.
Hay (Miller Street) set a monthly record daily precipitation of 79.0 mm (3.1 in) on 15 May 1974.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 426 records.

Record Map

1,230 stations

1,230 station records on 15 May 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hay (Miller Street)	Australia	Record daily precipitation	79.0 mm (3.1 in)	79 of 100 (Major)
Lake Boga	Australia	Record daily precipitation	150.4 mm (5.9 in)	79 of 100 (Major)
Wanganella General Store	Australia	Record daily precipitation	47.0 mm (1.9 in)	76 of 100 (Major)
Gladstone	Australia	Record daily precipitation	87.2 mm (3.4 in)	74 of 100 (Major)
Manna Hill	Australia	Record daily precipitation	39.0 mm (1.5 in)	73 of 100 (Major)
Milawa Brown Bros	Australia	Record daily precipitation	87.0 mm (3.4 in)	73 of 100 (Major)
Wentworth (Burtundy)	Australia	Record daily precipitation	47.0 mm (1.9 in)	71 of 100 (Major)
Berrigan Post Office	Australia	Record daily precipitation	81.0 mm (3.2 in)	70 of 100 (Major)
Barnawartha	Australia	Record daily precipitation	95.8 mm (3.8 in)	70 of 100 (Major)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	44.0 mm (1.7 in)	70 of 100 (Major)
Murrayville	Australia	Record daily precipitation	99.0 mm (3.9 in)	69 of 100 (Major)
Swan Hill Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	69 of 100 (Major)
Longerenong	Australia	Record daily precipitation	42.0 mm (1.7 in)	69 of 100 (Major)
Broken Hill (Nuntherungie)	Australia	Record daily precipitation	45.2 mm (1.8 in)	68 of 100 (Major)
Wilcannia (Billilla)	Australia	Record daily precipitation	51.0 mm (2.0 in)	68 of 100 (Major)
Ivanhoe Post Office	Australia	Record daily precipitation	48.6 mm (1.9 in)	68 of 100 (Major)
Calivil	Australia	Record daily precipitation	65.0 mm (2.6 in)	68 of 100 (Major)
Kerang	Australia	Record daily precipitation	48.8 mm (1.9 in)	68 of 100 (Major)
Yarrawonga Post Office	Australia	Record daily precipitation	78.2 mm (3.1 in)	68 of 100 (Major)
Durdidwarrah	Australia	Record daily precipitation	50.4 mm (2.0 in)	68 of 100 (Major)
Conargo Post Office	Australia	Record daily precipitation	65.4 mm (2.6 in)	67 of 100 (Major)
Finley Post Office	Australia	Record daily precipitation	70.2 mm (2.8 in)	66 of 100 (Major)
Tocumwal Airport	Australia	Record daily precipitation	57.0 mm (2.2 in)	66 of 100 (Major)
Carrathool (Gum Creek)	Australia	Record daily precipitation	59.8 mm (2.4 in)	66 of 100 (Major)
Beechworth Composite	Australia	Record daily precipitation	84.2 mm (3.3 in)	66 of 100 (Major)
Peechelba East	Australia	Record daily precipitation	83.2 mm (3.3 in)	66 of 100 (Major)
Kukuiula 935	United States	Record daily precipitation	65.5 mm (2.6 in)	65 of 100 (Major)
Yunta (Winnininnie)	Australia	Record daily precipitation	57.8 mm (2.3 in)	64 of 100 (Major)
Kerang (Meran Downs)	Australia	Record daily precipitation	44.4 mm (1.7 in)	64 of 100 (Major)
Yarroweyah	Australia	Record daily precipitation	54.6 mm (2.1 in)	64 of 100 (Major)
Ivanhoe (Mt Manara)	Australia	Record daily precipitation	35.6 mm (1.4 in)	63 of 100 (Major)
Cobram Post Office	Australia	Record daily precipitation	65.2 mm (2.6 in)	63 of 100 (Major)
Springhurst	Australia	Record daily precipitation	53.4 mm (2.1 in)	63 of 100 (Major)
Bordertown	Australia	Record daily precipitation	71.8 mm (2.8 in)	62 of 100 (Major)
Corowa Airport	Australia	Record daily precipitation	54.0 mm (2.1 in)	62 of 100 (Major)
Booligal (Ulonga)	Australia	Record daily precipitation	87.0 mm (3.4 in)	62 of 100 (Major)
Nyah (Yarraby Tank)	Australia	Record daily precipitation	43.8 mm (1.7 in)	62 of 100 (Major)
Goorambat	Australia	Record daily precipitation	58.0 mm (2.3 in)	62 of 100 (Major)
Helena	United States	Record daily precipitation	193.0 mm (7.6 in)	62 of 100 (Major)
Port Lincoln	Australia	Record daily precipitation	28.2 mm (1.1 in)	61 of 100 (Major)
Eldorado	Australia	Record daily precipitation	64.0 mm (2.5 in)	61 of 100 (Major)
Anakie	Australia	Record daily precipitation	44.2 mm (1.7 in)	61 of 100 (Major)
E Lawai 934	United States	Record daily precipitation	97.3 mm (3.8 in)	61 of 100 (Major)
Jerilderie (Coree STN)	Australia	Record daily precipitation	79.8 mm (3.1 in)	60 of 100 (Major)
Mulcra	Australia	Record daily precipitation	48.0 mm (1.9 in)	60 of 100 (Major)
Boorhaman	Australia	Record daily precipitation	82.0 mm (3.2 in)	60 of 100 (Major)
Rutherglen Research	Australia	Record daily precipitation	54.5 mm (2.1 in)	60 of 100 (Major)
Wooragee	Australia	Record daily precipitation	75.2 mm (3.0 in)	60 of 100 (Major)
Bendigo Prison	Australia	Record daily precipitation	70.5 mm (2.8 in)	59 of 100 (Notable)
Dookie Agricultural College	Australia	Record daily precipitation	49.0 mm (1.9 in)	59 of 100 (Notable)
Merrigum	Australia	Record daily precipitation	59.4 mm (2.3 in)	59 of 100 (Notable)
Indigo	Australia	Record daily precipitation	54.2 mm (2.1 in)	59 of 100 (Notable)
Alexandra (Post Office)	Australia	Record daily precipitation	40.4 mm (1.6 in)	59 of 100 (Notable)
Smythesdale	Australia	Record daily precipitation	83.0 mm (3.3 in)	59 of 100 (Notable)
Carrieton	Australia	Record daily precipitation	38.0 mm (1.5 in)	58 of 100 (Notable)
Canary Island	Australia	Record daily precipitation	37.2 mm (1.5 in)	58 of 100 (Notable)
Raywood	Australia	Record daily precipitation	52.0 mm (2.0 in)	58 of 100 (Notable)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	42.0 mm (1.7 in)	57 of 100 (Notable)
Rennie (Pine View)	Australia	Record daily precipitation	54.0 mm (2.1 in)	57 of 100 (Notable)
Hay (Pevensey)	Australia	Record daily precipitation	79.0 mm (3.1 in)	57 of 100 (Notable)

Counts by Type and Timescale

1,230 records

Records set or tied on 15 May 1974 by type: Highest daily maximum 129, Lowest daily maximum 149, Highest daily minimum 171, Lowest daily minimum 98, Heaviest daily rainfall 654, Heaviest daily snowfall 23, Deepest snow cover 6.

Records on 15 May 1974 by type
Record type	Records
Highest daily maximum	129
Lowest daily maximum	149
Highest daily minimum	171
Lowest daily minimum	98
Heaviest daily rainfall	654
Heaviest daily snowfall	23
Deepest snow cover	6

Records on 15 May 1974 by timescale: all-time 3, monthly 105, daily 1,122.

How Much Records Were Beaten By

1,042 broken records

Margins by which the 1,042 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 355.0. Ties are not counted.

Top 20 by Significance

15 May 1974

Top 20 records on 15 May 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1974	Hay (Miller Street), AU	monthly rain	79.0 mm (3.1 in)	33.8 mm (1.3 in)	67 years	79 of 100 (Major)
15 May 1974	Lake Boga, AU	all-time rain	150.4 mm (5.9 in)	68.4 mm (2.7 in)	40 years	79 of 100 (Major)
15 May 1974	Wanganella General Store, AU	daily rain	47.0 mm (1.9 in)	34.3 mm (1.4 in)	86 years	76 of 100 (Major)
15 May 1974	Gladstone, AU	all-time rain	87.2 mm (3.4 in)	18.1 mm (0.7 in)	49 years	74 of 100 (Major)
15 May 1974	Manna Hill, AU	daily rain	39.0 mm (1.5 in)	27.6 mm (1.1 in)	83 years	73 of 100 (Major)
15 May 1974	Milawa Brown Bros, AU	monthly rain	87.0 mm (3.4 in)	34.4 mm (1.4 in)	56 years	73 of 100 (Major)
15 May 1974	Wentworth (Burtundy), AU	daily rain	47.0 mm (1.9 in)	30.7 mm (1.2 in)	83 years	71 of 100 (Major)
15 May 1974	Berrigan Post Office, AU	monthly rain	81.0 mm (3.2 in)	24.9 mm (1.0 in)	61 years	70 of 100 (Major)
15 May 1974	Barnawartha, AU	monthly rain	95.8 mm (3.8 in)	53.4 mm (2.1 in)	36 years	70 of 100 (Major)
15 May 1974	Narre Warren North (Narre Warr, AU	daily rain	44.0 mm (1.7 in)	23.2 mm (0.9 in)	98 years	70 of 100 (Major)
15 May 1974	Murrayville, AU	monthly rain	99.0 mm (3.9 in)	60.1 mm (2.4 in)	44 years	69 of 100 (Major)
15 May 1974	Swan Hill Post Office, AU	daily rain	45.0 mm (1.8 in)	24.2 mm (1.0 in)	88 years	69 of 100 (Major)
15 May 1974	Longerenong, AU	daily rain	42.0 mm (1.7 in)	27.0 mm (1.1 in)	64 years	69 of 100 (Major)
15 May 1974	Broken Hill (Nuntherungie), AU	daily rain	45.2 mm (1.8 in)	38.1 mm (1.5 in)	64 years	68 of 100 (Major)
15 May 1974	Wilcannia (Billilla), AU	daily rain	51.0 mm (2.0 in)	44.4 mm (1.7 in)	64 years	68 of 100 (Major)
15 May 1974	Ivanhoe Post Office, AU	daily rain	48.6 mm (1.9 in)	37.2 mm (1.5 in)	64 years	68 of 100 (Major)
15 May 1974	Calivil, AU	monthly rain	65.0 mm (2.6 in)	25.9 mm (1.0 in)	59 years	68 of 100 (Major)
15 May 1974	Kerang, AU	daily rain	48.8 mm (1.9 in)	31.3 mm (1.2 in)	64 years	68 of 100 (Major)
15 May 1974	Yarrawonga Post Office, AU	daily rain	78.2 mm (3.1 in)	45.4 mm (1.8 in)	64 years	68 of 100 (Major)
15 May 1974	Durdidwarrah, AU	daily rain	50.4 mm (2.0 in)	22.0 mm (0.9 in)	64 years	68 of 100 (Major)

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

1820 to 1974

Records set or tied on this calendar date in each year from 1820 to 1974. 1974 had 1,230 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1974-05-15: 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 50	1,021
50 to 100	18
100 to 150	1
150 to 200	1
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1