Weather Records on 30 April 1974

822 weather records were set or tied worldwide on 30 April 1974. Highest significance: Queenscliff, AU.

Key Facts for 30 April 1974

On 30 April 1974, 822 weather records were set or tied at long-record stations worldwide.
282 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 780 daily.
Queenscliff set a monthly record daily precipitation of 69.8 mm (2.7 in) on 30 April 1974.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 444 records.

Record Map

822 stations

822 station records on 30 April 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Queenscliff	Australia	Record daily precipitation	69.8 mm (2.7 in)	78 of 100 (Major)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	78.6 mm (3.1 in)	67 of 100 (Major)
Cape Otway Lighthouse	Australia	Record daily precipitation	48.2 mm (1.9 in)	65 of 100 (Major)
Acude Tucunduba	Brazil	Record daily precipitation	105.3 mm (4.1 in)	63 of 100 (Major)
McAdam	Canada	Record daily snowfall	20.3 cm (8.0 in)	63 of 100 (Major)
Sitio Dos Moreiras	Brazil	Record daily precipitation	124.3 mm (4.9 in)	62 of 100 (Major)
Orroroo (Black Rock)	Australia	Record daily precipitation	75.0 mm (3.0 in)	59 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	56.4 mm (2.2 in)	57 of 100 (Notable)
Glenlyon	Australia	Record daily precipitation	46.0 mm (1.8 in)	55 of 100 (Notable)
Colac (Shire Office)	Australia	Record daily precipitation	46.6 mm (1.8 in)	54 of 100 (Notable)
Mantova	Italy	Record daily precipitation	38.2 mm (1.5 in)	54 of 100 (Notable)
Eltham	Australia	Record daily precipitation	40.2 mm (1.6 in)	53 of 100 (Notable)
Drouin Bowling Club	Australia	Record daily precipitation	69.2 mm (2.7 in)	51 of 100 (Notable)
Portarlington	Australia	Record daily precipitation	42.6 mm (1.7 in)	51 of 100 (Notable)
Laranjeiras	Brazil	Record daily precipitation	130.8 mm (5.1 in)	51 of 100 (Notable)
The Patch	Australia	Record daily precipitation	78.6 mm (3.1 in)	49 of 100 (Notable)
Torquay	Australia	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Poronajsk	Russia	Record daily precipitation	34.1 mm (1.3 in)	49 of 100 (Notable)
Kallista Forestry	Australia	Record daily precipitation	76.0 mm (3.0 in)	48 of 100 (Notable)
Warburton (O'Shannassy Reservo	Australia	Record daily precipitation	85.0 mm (3.3 in)	48 of 100 (Notable)
Toorourrong Reservoir (Toorour	Australia	Record daily precipitation	42.4 mm (1.7 in)	48 of 100 (Notable)
Woori Yallock	Australia	Record daily precipitation	60.0 mm (2.4 in)	48 of 100 (Notable)
Usina Bananeiras (Caeeb)	Brazil	Record daily precipitation	74.4 mm (2.9 in)	48 of 100 (Notable)
Halls Creek Airport	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Johanna Glen	Australia	Record daily precipitation	53.0 mm (2.1 in)	47 of 100 (Notable)
Zagreb-Gric	Croatia	Record daily precipitation	41.5 mm (1.6 in)	47 of 100 (Notable)
Eufaula 6 SSW	United States	Record daily precipitation	120.1 mm (4.7 in)	47 of 100 (Notable)
Waurika	United States	Record daily precipitation	109.0 mm (4.3 in)	47 of 100 (Notable)
Gleneagle	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Croydon (Samuel Street)	Australia	Record daily precipitation	58.7 mm (2.3 in)	46 of 100 (Notable)
Silvan	Australia	Record daily precipitation	99.2 mm (3.9 in)	46 of 100 (Notable)
Crystal City	United States	Record daily precipitation	70.9 mm (2.8 in)	46 of 100 (Notable)
Prahran (Como House)	Australia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Warburton	Australia	Record daily precipitation	82.2 mm (3.2 in)	45 of 100 (Notable)
Waseca	Canada	Record daily snowfall	22.9 cm (9.0 in)	45 of 100 (Notable)
Sanderson	United States	Record daily precipitation	67.8 mm (2.7 in)	45 of 100 (Notable)
Lardner (Brandie Braes)	Australia	Record daily precipitation	77.6 mm (3.1 in)	44 of 100 (Notable)
Powelltown Dnre	Australia	Record daily precipitation	96.0 mm (3.8 in)	44 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	61.8 mm (2.4 in)	44 of 100 (Notable)
Anglesea	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Glenburn	Australia	Record daily precipitation	52.2 mm (2.1 in)	43 of 100 (Notable)
Rubicon Sec	Australia	Record daily precipitation	123.8 mm (4.9 in)	43 of 100 (Notable)
Chetwynd	Australia	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Cape May 2 NW	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Warragul	Australia	Record daily precipitation	70.0 mm (2.8 in)	42 of 100 (Notable)
Boronia 1	Australia	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Mitcham	Australia	Record daily precipitation	47.4 mm (1.9 in)	42 of 100 (Notable)
Mount Burnett	Australia	Record daily precipitation	69.6 mm (2.7 in)	42 of 100 (Notable)
Oliver Stp	Canada	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Calvin	United States	Record daily precipitation	104.6 mm (4.1 in)	42 of 100 (Notable)
Wartook Reservoir	Australia	Record daily precipitation	39.0 mm (1.5 in)	41 of 100 (Notable)
Melbourne Regional Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Merton Weir Farm	Australia	Record daily precipitation	38.6 mm (1.5 in)	41 of 100 (Notable)
Ada	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Baltimore Customs House	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Camperdown (Post Office)	Australia	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Sao Tome	Brazil	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Elk Point	Canada	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Middletown 4 W	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Whitfield	Australia	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

822 records

Records set or tied on 30 April 1974 by type: Highest daily maximum 128, Lowest daily maximum 31, Highest daily minimum 154, Lowest daily minimum 39, Heaviest daily rainfall 450, Heaviest daily snowfall 20.

Records on 30 April 1974 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	31
Highest daily minimum	154
Lowest daily minimum	39
Heaviest daily rainfall	450
Heaviest daily snowfall	20
Deepest snow cover	0

Records on 30 April 1974 by timescale: all-time 0, monthly 42, daily 780.

How Much Records Were Beaten By

697 broken records

Margins by which the 697 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

30 April 1974

Top 20 records on 30 April 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1974	Queenscliff, AU	monthly rain	69.8 mm (2.7 in)	24.1 mm (0.9 in)	73 years	78 of 100 (Major)
30 April 1974	Branxton (Dalwood Vineyard), AU	daily rain	78.6 mm (3.1 in)	35.7 mm (1.4 in)	102 years	67 of 100 (Major)
30 April 1974	Cape Otway Lighthouse, AU	daily rain	48.2 mm (1.9 in)	23.6 mm (0.9 in)	64 years	65 of 100 (Major)
30 April 1974	Acude Tucunduba, BR	daily rain	105.3 mm (4.1 in)	74.3 mm (2.9 in)	57 years	63 of 100 (Major)
30 April 1974	McAdam, CA	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	56 years	63 of 100 (Major)
30 April 1974	Sitio Dos Moreiras, BR	monthly rain	124.3 mm (4.9 in)	54.9 mm (2.2 in)	31 years	62 of 100 (Major)
30 April 1974	Orroroo (Black Rock), AU	monthly rain	75.0 mm (3.0 in)	27.0 mm (1.1 in)	0 years	59 of 100 (Notable)
30 April 1974	Maroondah Weir (Melbourne Wate, AU	daily rain	56.4 mm (2.2 in)	32.0 mm (1.3 in)	64 years	57 of 100 (Notable)
30 April 1974	Glenlyon, AU	daily rain	46.0 mm (1.8 in)	27.7 mm (1.1 in)	64 years	55 of 100 (Notable)
30 April 1974	Colac (Shire Office), AU	daily rain	46.6 mm (1.8 in)	23.7 mm (0.9 in)	39 years	54 of 100 (Notable)
30 April 1974	Mantova, IT	daily rain	38.2 mm (1.5 in)	10.2 mm (0.4 in)	117 years	54 of 100 (Notable)
30 April 1974	Eltham, AU	daily rain	40.2 mm (1.6 in)	24.5 mm (1.0 in)	64 years	53 of 100 (Notable)
30 April 1974	Drouin Bowling Club, AU	daily rain	69.2 mm (2.7 in)	30.8 mm (1.2 in)	39 years	51 of 100 (Notable)
30 April 1974	Portarlington, AU	daily rain	42.6 mm (1.7 in)	18.2 mm (0.7 in)	64 years	51 of 100 (Notable)
30 April 1974	Laranjeiras, BR	daily rain	130.8 mm (5.1 in)	80.8 mm (3.2 in)	20 years	51 of 100 (Notable)
30 April 1974	The Patch, AU	daily rain	78.6 mm (3.1 in)	44.8 mm (1.8 in)	21 years	49 of 100 (Notable)
30 April 1974	Torquay, AU	daily rain	44.2 mm (1.7 in)	30.2 mm (1.2 in)	11 years	49 of 100 (Notable)
30 April 1974	Poronajsk, RU	daily rain	34.1 mm (1.3 in)	15.5 mm (0.6 in)	57 years	49 of 100 (Notable)
30 April 1974	Kallista Forestry, AU	daily rain	76.0 mm (3.0 in)	44.0 mm (1.7 in)	39 years	48 of 100 (Notable)
30 April 1974	Warburton (O'Shannassy Reservo, AU	daily rain	85.0 mm (3.3 in)	40.8 mm (1.6 in)	21 years	48 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

1795 to 1974

Records set or tied on this calendar date in each year from 1795 to 1974. 1974 had 822 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1974-04-30: 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	683
50 to 100	11
100 to 150	2
150 to 200	0
200 to 250	1