Weather Records on 4 May 1927

112 weather records were set or tied worldwide on 4 May 1927. Highest significance: Tartu, EE.

Key Facts for 4 May 1927

On 4 May 1927, 112 weather records were set or tied at long-record stations worldwide.
31 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 112 daily.
Tartu set a daily record precipitation of 29.0 mm (1.1 in) on 4 May 1927.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 432 records.

Record Map

112 stations

112 station records on 4 May 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tartu	Estonia	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
San Remo	Australia	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
McDonnell Station	Australia	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
Trawalla	Australia	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Mortlake	Australia	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Geilo	Norway	Record snow depth	144.0 cm (56.7 in)	43 of 100 (Notable)
Terang	Australia	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Warrnambool Shire Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Elgin Downs	Australia	Record daily precipitation	37.3 mm (1.5 in)	32 of 100 (Routine)
Botnen I Forde	Norway	Record daily precipitation	56.4 mm (2.2 in)	29 of 100 (Routine)
Sogndal - Selseng	Norway	Record daily precipitation	29.3 mm (1.2 in)	25 of 100 (Routine)
Norddal	Norway	Record daily precipitation	27.0 mm (1.1 in)	25 of 100 (Routine)
Tbilisi	Georgia	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Banff	Canada	Record daily snowfall	9.4 cm (3.7 in)	22 of 100 (Routine)
Frankfort Downtown	United States	Record daily precipitation	29.0 mm (1.1 in)	22 of 100 (Routine)
Wulgulmerang	Australia	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Beaufort	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Puralka	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Sydney	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Merino	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Eubank	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Yerevan	Armenia	Record daily precipitation	13.7 mm (0.5 in)	19 of 100 (Routine)
Bukalong Station	Australia	Record daily precipitation	11.2 mm (0.4 in)	19 of 100 (Routine)
Glenthompson (Brie Brie)	Australia	Record daily precipitation	12.7 mm (0.5 in)	19 of 100 (Routine)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	15.0 mm (0.6 in)	19 of 100 (Routine)
Woolsthorpe	Australia	Record daily precipitation	18.3 mm (0.7 in)	19 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	6.2 mm (0.24 in)	19 of 100 (Routine)
Socorro	United States	Record high maximum temperature	34.4 C (93.9 F)	19 of 100 (Routine)
Skara 1	Sweden	Record high maximum temperature	21.5 C (70.7 F)	18 of 100 (Routine)
Logan Utah St UNIV	United States	Record low minimum temperature	-3.3 C (26.1 F)	18 of 100 (Routine)
Portarlington	Australia	Record daily precipitation	22.1 mm (0.9 in)	17 of 100 (Routine)
Mirranatwa (Bullawin Park)	Australia	Record daily precipitation	13.7 mm (0.5 in)	17 of 100 (Routine)
Casterton (Roseneath)	Australia	Record daily precipitation	8.6 mm (0.34 in)	17 of 100 (Routine)
Heywood Post Office	Australia	Record daily precipitation	8.1 mm (0.32 in)	17 of 100 (Routine)
Maffra Shire Hall	Australia	Record daily precipitation	7.4 mm (0.29 in)	16 of 100 (Routine)
Mount Wellington (the Springs)	Australia	Record daily precipitation	11.4 mm (0.4 in)	16 of 100 (Routine)
Pushmataha	United States	Record daily precipitation	40.1 mm (1.6 in)	16 of 100 (Routine)
Medicine Hat A	Canada	Record low maximum temperature	8.3 C (46.9 F)	15 of 100 (Routine)
Banff	Canada	Record daily precipitation	9.4 mm (0.37 in)	15 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Cobden (Post Office)	Australia	Record daily precipitation	10.2 mm (0.4 in)	14 of 100 (Routine)
Tomsk	Russia	Record high minimum temperature	11.1 C (52.0 F)	14 of 100 (Routine)
Mildura Post Office	Australia	Record low maximum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Vik I Sogn III	Norway	Record daily precipitation	8.7 mm (0.34 in)	13 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	15.8 C (60.4 F)	13 of 100 (Routine)
Claremont Pomona Clg	United States	Record low minimum temperature	3.3 C (37.9 F)	13 of 100 (Routine)
Leitchfield 2 N	United States	Record high maximum temperature	32.8 C (91.0 F)	13 of 100 (Routine)
Los Lunas	United States	Record high maximum temperature	32.2 C (90.0 F)	13 of 100 (Routine)
Alexandria	United States	Record low maximum temperature	12.8 C (55.0 F)	13 of 100 (Routine)
Pullman Exp STN	United States	Record low maximum temperature	8.9 C (48.0 F)	13 of 100 (Routine)
Jackson 4 NW	United States	Record daily precipitation	27.9 mm (1.1 in)	13 of 100 (Routine)
Hollister 1 SW	United States	Record high maximum temperature	26.1 C (79.0 F)	12 of 100 (Routine)
Owensboro 3ENE	United States	Record daily precipitation	22.4 mm (0.9 in)	12 of 100 (Routine)
Avon	United States	Record daily precipitation	15.5 mm (0.6 in)	12 of 100 (Routine)
Texarkana Webb Fld	United States	Record daily precipitation	12.2 mm (0.5 in)	12 of 100 (Routine)
Bungonia (Inverary Park)	Australia	Record daily precipitation	6.9 mm (0.27 in)	11 of 100 (Routine)
Stradbroke Post Office	Australia	Record daily precipitation	9.7 mm (0.38 in)	11 of 100 (Routine)

Counts by Type and Timescale

112 records

Records set or tied on 4 May 1927 by type: Highest daily maximum 15, Lowest daily maximum 13, Highest daily minimum 16, Lowest daily minimum 6, Heaviest daily rainfall 57, Heaviest daily snowfall 2, Deepest snow cover 3.

Records on 4 May 1927 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	13
Highest daily minimum	16
Lowest daily minimum	6
Heaviest daily rainfall	57
Heaviest daily snowfall	2
Deepest snow cover	3

Records on 4 May 1927 by timescale: all-time 0, monthly 0, daily 112.

How Much Records Were Beaten By

92 broken records

Margins by which the 92 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 800.0. Ties are not counted.

Top 20 by Significance

4 May 1927

Top 20 records on 4 May 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1927	Tartu, EE	daily rain	29.0 mm (1.1 in)	14.6 mm (0.6 in)	42 years	53 of 100 (Notable)
4 May 1927	San Remo, AU	daily rain	33.5 mm (1.3 in)	24.6 mm (1.0 in)	18 years	46 of 100 (Notable)
4 May 1927	McDonnell Station, AU	daily rain	31.8 mm (1.3 in)	23.4 mm (0.9 in)	38 years	45 of 100 (Notable)
4 May 1927	Trawalla, AU	daily rain	27.2 mm (1.1 in)	15.8 mm (0.6 in)	38 years	43 of 100 (Notable)
4 May 1927	Mortlake, AU	daily rain	30.5 mm (1.2 in)	14.0 mm (0.6 in)	45 years	43 of 100 (Notable)
4 May 1927	Geilo, NO	daily snow depth	144.0 cm (56.7 in)	80.0 cm (31.5 in)	1 year	43 of 100 (Notable)
4 May 1927	Terang, AU	daily rain	25.9 mm (1.0 in)	18.5 mm (0.7 in)	10 years	38 of 100 (Notable)
4 May 1927	Warrnambool Shire Office, AU	daily rain	25.9 mm (1.0 in)	14.0 mm (0.6 in)	30 years	37 of 100 (Notable)
4 May 1927	Elgin Downs, AU	daily rain	37.3 mm (1.5 in)	33.7 mm (1.3 in)	10 years	32 of 100 (Routine)
4 May 1927	Botnen I Forde, NO	daily rain	56.4 mm (2.2 in)	24.4 mm (1.0 in)	12 years	29 of 100 (Routine)
4 May 1927	Sogndal - Selseng, NO	daily rain	29.3 mm (1.2 in)	11.8 mm (0.5 in)	12 years	25 of 100 (Routine)
4 May 1927	Norddal, NO	daily rain	27.0 mm (1.1 in)	10.5 mm (0.4 in)	9 years	25 of 100 (Routine)
4 May 1927	Tbilisi, GE	daily rain	26.9 mm (1.1 in)	7.1 mm (0.28 in)	37 years	23 of 100 (Routine)
4 May 1927	Banff, CA	daily snowfall	9.4 cm (3.7 in)	8.1 cm (3.2 in)	22 years	22 of 100 (Routine)
4 May 1927	Frankfort Downtown, US	daily rain	29.0 mm (1.1 in)	14.0 mm (0.6 in)	10 years	22 of 100 (Routine)
4 May 1927	Wulgulmerang, AU	daily rain	35.6 mm (1.4 in)	7.7 mm (0.30 in)	37 years	21 of 100 (Routine)
4 May 1927	Port Campbell Post Office, AU	daily rain	22.4 mm (0.9 in)	12.2 mm (0.5 in)	38 years	20 of 100 (Routine)
4 May 1927	Beaufort, AU	daily rain	16.3 mm (0.6 in)	6.4 mm (0.25 in)	38 years	20 of 100 (Routine)
4 May 1927	Puralka, AU	daily rain	11.7 mm (0.5 in)	5.3 mm (0.21 in)	30 years	20 of 100 (Routine)
4 May 1927	Calgary Int'l A, CA	daily rain	11.7 mm (0.5 in)	5.9 mm (0.23 in)	38 years	20 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 1927

Records set or tied on this calendar date in each year from 1795 to 1927. 1927 had 112 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 1927-05-04: 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 100	91
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	0
700 to 800	1