Weather Records on 4 May 1947

649 weather records were set or tied worldwide on 4 May 1947. Highest significance: Tamala, AU.

Key Facts for 4 May 1947

On 4 May 1947, 649 weather records were set or tied at long-record stations worldwide.
468 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 624 daily.
Tamala set a monthly record daily precipitation of 102.1 mm (4.0 in) on 4 May 1947.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 429 records.

Record Map

649 stations

649 station records on 4 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tamala	Australia	Record daily precipitation	102.1 mm (4.0 in)	55 of 100 (Notable)
Mangaroon	Australia	Record daily precipitation	56.4 mm (2.2 in)	54 of 100 (Notable)
Bunbury Post Office	Australia	Record daily precipitation	69.6 mm (2.7 in)	52 of 100 (Notable)
Narrawong	Australia	Record daily precipitation	43.2 mm (1.7 in)	52 of 100 (Notable)
Beringarra	Australia	Record daily precipitation	53.6 mm (2.1 in)	48 of 100 (Notable)
Boko	India	Record daily precipitation	124.5 mm (4.9 in)	46 of 100 (Notable)
Wyloo	Australia	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Onslow	Australia	Record daily precipitation	105.7 mm (4.2 in)	40 of 100 (Notable)
Manfred	Australia	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Gascoyne Junction	Australia	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Wandering Comparison	Australia	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Urella	Australia	Record daily precipitation	83.8 mm (3.3 in)	36 of 100 (Notable)
Oak Park	Australia	Record daily precipitation	29.7 mm (1.2 in)	36 of 100 (Notable)
Meka Station	Australia	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Houlton	United States	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Winning	Australia	Record daily precipitation	37.1 mm (1.5 in)	33 of 100 (Routine)
Tambellup	Australia	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Bar Harbor 3 NW	United States	Record daily precipitation	59.4 mm (2.3 in)	33 of 100 (Routine)
Mileura	Australia	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Nannup	Australia	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Mandurah Park	Australia	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)
Kojonup	Australia	Record daily precipitation	41.4 mm (1.6 in)	31 of 100 (Routine)
Boolaloo	Australia	Record daily precipitation	59.7 mm (2.4 in)	30 of 100 (Routine)
Twin Peaks	Australia	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Ellensfield	Australia	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Kualapuu 534	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Harvey Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Russellville	United States	Record high maximum temperature	33.9 C (93.0 F)	29 of 100 (Routine)
Mount Wittenoom	Australia	Record daily precipitation	32.5 mm (1.3 in)	28 of 100 (Routine)
Donnybrook	Australia	Record daily precipitation	54.6 mm (2.1 in)	28 of 100 (Routine)
Kalgan River	Australia	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Searcy	United States	Record high maximum temperature	34.4 C (93.9 F)	28 of 100 (Routine)
Manassa	United States	Record high maximum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Lyons River	Australia	Record daily precipitation	48.5 mm (1.9 in)	27 of 100 (Routine)
Murgoo	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Boscabel	Australia	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Mesa	United States	Record high maximum temperature	42.2 C (108.0 F)	27 of 100 (Routine)
Collbran	United States	Record high maximum temperature	31.1 C (88.0 F)	27 of 100 (Routine)
Springer	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
Boolardy	Australia	Record daily precipitation	34.8 mm (1.4 in)	26 of 100 (Routine)
Maatsuyker Island Lighthouse	Australia	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Globe Rs	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Gardiner	United States	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Carrizozo 1SW	United States	Record high maximum temperature	36.1 C (97.0 F)	26 of 100 (Routine)
Ft Duchesne	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Langet	India	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Gila Bend 2SE	United States	Record high maximum temperature	45.0 C (113.0 F)	25 of 100 (Routine)
Wooleen	Australia	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Yalgoo	Australia	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Boyanup	Australia	Record daily precipitation	62.2 mm (2.4 in)	24 of 100 (Routine)
Ash Fork 6 N	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Oracle	United States	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Meeker	United States	Record high maximum temperature	29.4 C (84.9 F)	24 of 100 (Routine)
Snowville	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Marradong	Australia	Record daily precipitation	28.2 mm (1.1 in)	23 of 100 (Routine)
Williams	Australia	Record daily precipitation	47.0 mm (1.9 in)	23 of 100 (Routine)
Williams	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Fayetteville	United States	Record high maximum temperature	32.2 C (90.0 F)	23 of 100 (Routine)
Golconda	United States	Record high maximum temperature	34.4 C (93.9 F)	23 of 100 (Routine)

Counts by Type and Timescale

649 records

Records set or tied on 4 May 1947 by type: Highest daily maximum 372, Lowest daily maximum 15, Highest daily minimum 96, Lowest daily minimum 9, Heaviest daily rainfall 157.

Records on 4 May 1947 by type
Record type	Records
Highest daily maximum	372
Lowest daily maximum	15
Highest daily minimum	96
Lowest daily minimum	9
Heaviest daily rainfall	157
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 May 1947 by timescale: all-time 1, monthly 24, daily 624.

How Much Records Were Beaten By

557 broken records

Margins by which the 557 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.4. Ties are not counted.

Top 20 by Significance

4 May 1947

Top 20 records on 4 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1947	Tamala, AU	monthly rain	102.1 mm (4.0 in)	50.0 mm (2.0 in)	3 years	55 of 100 (Notable)
4 May 1947	Mangaroon, AU	daily rain	56.4 mm (2.2 in)	45.7 mm (1.8 in)	38 years	54 of 100 (Notable)
4 May 1947	Bunbury Post Office, AU	daily rain	69.6 mm (2.7 in)	35.3 mm (1.4 in)	38 years	52 of 100 (Notable)
4 May 1947	Narrawong, AU	daily rain	43.2 mm (1.7 in)	33.8 mm (1.3 in)	32 years	52 of 100 (Notable)
4 May 1947	Beringarra, AU	daily rain	53.6 mm (2.1 in)	38.4 mm (1.5 in)	16 years	48 of 100 (Notable)
4 May 1947	Boko, IN	daily rain	124.5 mm (4.9 in)	86.4 mm (3.4 in)	6 years	46 of 100 (Notable)
4 May 1947	Wyloo, AU	daily rain	48.0 mm (1.9 in)	38.9 mm (1.5 in)	38 years	42 of 100 (Notable)
4 May 1947	Onslow, AU	daily rain	105.7 mm (4.2 in)	53.4 mm (2.1 in)	16 years	40 of 100 (Notable)
4 May 1947	Manfred, AU	daily rain	39.4 mm (1.6 in)	28.7 mm (1.1 in)	32 years	38 of 100 (Notable)
4 May 1947	Gascoyne Junction, AU	daily rain	42.9 mm (1.7 in)	29.4 mm (1.2 in)	36 years	37 of 100 (Notable)
4 May 1947	Wandering Comparison, AU	daily rain	43.2 mm (1.7 in)	18.1 mm (0.7 in)	32 years	37 of 100 (Notable)
4 May 1947	Urella, AU	all-time rain	83.8 mm (3.3 in)	7.6 mm (0.30 in)	13 years	36 of 100 (Notable)
4 May 1947	Oak Park, AU	daily rain	29.7 mm (1.2 in)	19.0 mm (0.7 in)	4 years	36 of 100 (Notable)
4 May 1947	Meka Station, AU	daily rain	30.5 mm (1.2 in)	19.1 mm (0.8 in)	34 years	35 of 100 (Notable)
4 May 1947	Houlton, US	monthly rain	54.6 mm (2.1 in)	3.8 mm (0.15 in)	52 years	34 of 100 (Routine)
4 May 1947	Winning, AU	daily rain	37.1 mm (1.5 in)	24.4 mm (1.0 in)	36 years	33 of 100 (Routine)
4 May 1947	Tambellup, AU	daily rain	25.9 mm (1.0 in)	18.3 mm (0.7 in)	8 years	33 of 100 (Routine)
4 May 1947	Bar Harbor 3 NW, US	daily rain	59.4 mm (2.3 in)	28.4 mm (1.1 in)	17 years	33 of 100 (Routine)
4 May 1947	Mileura, AU	daily rain	25.7 mm (1.0 in)	17.3 mm (0.7 in)	36 years	32 of 100 (Routine)
4 May 1947	Nannup, AU	daily rain	52.1 mm (2.1 in)	28.0 mm (1.1 in)	5 years	32 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 1947

Records set or tied on this calendar date in each year from 1795 to 1947. 1947 had 649 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1947-05-04: 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	536
20 to 40	17
40 to 60	3
60 to 80	0
80 to 100	1