Weather Records on 7 May 1930

637 weather records were set or tied worldwide on 7 May 1930. Highest significance: Bloomsbury Post Office, AU.

Key Facts for 7 May 1930

On 7 May 1930, 637 weather records were set or tied at long-record stations worldwide.
379 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 615 daily.
Bloomsbury Post Office set a daily record precipitation of 69.1 mm (2.7 in) on 7 May 1930.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 417 records.

Record Map

637 stations

637 station records on 7 May 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bloomsbury Post Office	Australia	Record daily precipitation	69.1 mm (2.7 in)	56 of 100 (Notable)
Genoa 2 W	United States	Record daily precipitation	61.5 mm (2.4 in)	51 of 100 (Notable)
Oakbank	Canada	Record daily precipitation	34.8 mm (1.4 in)	50 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Wamego 4 W	United States	Record daily precipitation	93.5 mm (3.7 in)	49 of 100 (Notable)
Saltern Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Manhattan	United States	Record daily precipitation	95.8 mm (3.8 in)	45 of 100 (Notable)
McPherson	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Newton	United States	Record daily precipitation	70.6 mm (2.8 in)	39 of 100 (Notable)
Seward	United States	Record daily precipitation	58.9 mm (2.3 in)	39 of 100 (Notable)
Eureka 1E	United States	Record daily precipitation	65.8 mm (2.6 in)	38 of 100 (Notable)
Westgrove	Australia	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	46.7 mm (1.8 in)	36 of 100 (Notable)
Columbus 3 NE	United States	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
W Pt	United States	Record daily precipitation	58.9 mm (2.3 in)	36 of 100 (Notable)
Clarinda	United States	Record daily precipitation	51.1 mm (2.0 in)	35 of 100 (Notable)
Fairmont	United States	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Toronto	Canada	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Stanton	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Grand Meadow	United States	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
Toronto Agincourt	Canada	Record daily precipitation	34.8 mm (1.4 in)	31 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	34.4 C (93.9 F)	30 of 100 (Routine)
Wichita	United States	Record daily precipitation	53.1 mm (2.1 in)	30 of 100 (Routine)
Washington	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Barcaldine Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Winton Post Office	Australia	Record daily precipitation	27.4 mm (1.1 in)	29 of 100 (Routine)
Crete 4ESE	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Madison	United States	Record daily precipitation	58.9 mm (2.3 in)	29 of 100 (Routine)
Norfolk	United States	Record daily precipitation	53.8 mm (2.1 in)	29 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Nebo	Australia	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Fichtelberg	Germany	Record daily precipitation	52.4 mm (2.1 in)	28 of 100 (Routine)
New Bedford Coop	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Centerville 6 SE	United States	Record daily precipitation	45.2 mm (1.8 in)	28 of 100 (Routine)
New Bedford Coop	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Rock Rapids	United States	Record daily precipitation	55.4 mm (2.2 in)	26 of 100 (Routine)
Fall River	United States	Record high minimum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Austin #2	United States	Record low maximum temperature	0.6 C (33.1 F)	26 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Winfield 3NE	United States	Record daily precipitation	38.6 mm (1.5 in)	25 of 100 (Routine)
Orono	United States	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Flemington 5 NNW	United States	Record high maximum temperature	36.7 C (98.1 F)	25 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	29.4 C (84.9 F)	24 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	30.6 C (87.1 F)	24 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Lawrence	United States	Record daily precipitation	54.1 mm (2.1 in)	24 of 100 (Routine)
Bird Island	United States	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Hallock	United States	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Hebron	United States	Record daily precipitation	40.6 mm (1.6 in)	24 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high minimum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Reading Wb City	United States	Record high maximum temperature	33.9 C (93.0 F)	24 of 100 (Routine)
Oksoey Fyr	Norway	Record daily precipitation	25.0 mm (1.0 in)	23 of 100 (Routine)
Horton	United States	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Provincetown 3 NW	United States	Record high maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)

Counts by Type and Timescale

637 records

Records set or tied on 7 May 1930 by type: Highest daily maximum 188, Lowest daily maximum 42, Highest daily minimum 191, Lowest daily minimum 39, Heaviest daily rainfall 175, Heaviest daily snowfall 2.

Records on 7 May 1930 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	42
Highest daily minimum	191
Lowest daily minimum	39
Heaviest daily rainfall	175
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 7 May 1930 by timescale: all-time 0, monthly 22, daily 615.

How Much Records Were Beaten By

528 broken records

Margins by which the 528 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.4. Ties are not counted.

Top 20 by Significance

7 May 1930

Top 20 records on 7 May 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1930	Bloomsbury Post Office, AU	daily rain	69.1 mm (2.7 in)	60.2 mm (2.4 in)	38 years	56 of 100 (Notable)
7 May 1930	Genoa 2 W, US	daily rain	61.5 mm (2.4 in)	53.1 mm (2.1 in)	36 years	51 of 100 (Notable)
7 May 1930	Oakbank, CA	daily rain	34.8 mm (1.4 in)	29.7 mm (1.2 in)	44 years	50 of 100 (Notable)
7 May 1930	Sioux Ctr 2 SE, US	daily rain	63.5 mm (2.5 in)	49.0 mm (1.9 in)	29 years	50 of 100 (Notable)
7 May 1930	Wamego 4 W, US	daily rain	93.5 mm (3.7 in)	79.5 mm (3.1 in)	20 years	49 of 100 (Notable)
7 May 1930	Saltern Post Office, AU	daily rain	35.6 mm (1.4 in)	35.6 mm (1.4 in)	32 years	45 of 100 (Notable)
7 May 1930	Manhattan, US	daily rain	95.8 mm (3.8 in)	84.4 mm (3.3 in)	8 years	45 of 100 (Notable)
7 May 1930	McPherson, US	daily rain	66.0 mm (2.6 in)	49.2 mm (1.9 in)	15 years	44 of 100 (Notable)
7 May 1930	Toronto, CA	daily high min	15.6 C (60.1 F)	4.5 C (8.1 F)	77 years	43 of 100 (Notable)
7 May 1930	Newton, US	daily rain	70.6 mm (2.8 in)	40.4 mm (1.6 in)	24 years	39 of 100 (Notable)
7 May 1930	Seward, US	daily rain	58.9 mm (2.3 in)	36.0 mm (1.4 in)	29 years	39 of 100 (Notable)
7 May 1930	Eureka 1E, US	daily rain	65.8 mm (2.6 in)	39.4 mm (1.6 in)	27 years	38 of 100 (Notable)
7 May 1930	Westgrove, AU	daily rain	28.7 mm (1.1 in)	28.7 mm (1.1 in)	39 years	37 of 100 (Notable)
7 May 1930	St Lawrence Post Office, AU	daily rain	46.7 mm (1.8 in)	35.0 mm (1.4 in)	9 years	36 of 100 (Notable)
7 May 1930	Columbus 3 NE, US	daily rain	47.2 mm (1.9 in)	35.3 mm (1.4 in)	20 years	36 of 100 (Notable)
7 May 1930	W Pt, US	daily rain	58.9 mm (2.3 in)	33.5 mm (1.3 in)	30 years	36 of 100 (Notable)
7 May 1930	Clarinda, US	daily rain	51.1 mm (2.0 in)	30.8 mm (1.2 in)	20 years	35 of 100 (Notable)
7 May 1930	Fairmont, US	daily rain	40.4 mm (1.6 in)	28.2 mm (1.1 in)	30 years	35 of 100 (Notable)
7 May 1930	Toronto, CA	daily high max	30.6 C (87.1 F)	4.5 C (8.1 F)	57 years	34 of 100 (Routine)
7 May 1930	Stanton, US	daily rain	57.2 mm (2.3 in)	27.5 mm (1.1 in)	30 years	34 of 100 (Routine)

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 1930

Records set or tied on this calendar date in each year from 1795 to 1930. 1930 had 637 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1930-05-07: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	492
20 to 40	28
40 to 60	5
60 to 80	2
80 to 100	1