Weather Records on 4 May 1917

60 weather records were set or tied worldwide on 4 May 1917. Highest significance: Milton Post Office, AU.

Key Facts for 4 May 1917

On 4 May 1917, 60 weather records were set or tied at long-record stations worldwide.
5 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 56 daily.
Milton Post Office set a daily record precipitation of 133.4 mm (5.3 in) on 4 May 1917.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 433 records.

Record Map

60 stations

60 station records on 4 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milton Post Office	Australia	Record daily precipitation	133.4 mm (5.3 in)	55 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	59.7 mm (2.4 in)	26 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Vineland	United States	Record low maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Burwood 1	Australia	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	9.4 C (48.9 F)	21 of 100 (Routine)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Bobundara	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Walcha Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Cooma Lambie Street	Australia	Record daily precipitation	7.9 mm (0.31 in)	20 of 100 (Routine)
Laurieton (Elouera St)	Australia	Record daily precipitation	47.0 mm (1.9 in)	18 of 100 (Routine)
Southampton	Canada	Record low minimum temperature	-3.3 C (26.1 F)	18 of 100 (Routine)
Cap Chat	Canada	Record daily snowfall	2.5 cm (1.0 in)	18 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	6.7 C (44.1 F)	18 of 100 (Routine)
Perm	Russia	Record daily precipitation	7.5 mm (0.30 in)	17 of 100 (Routine)
Gundy (Miller St)	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	13.2 mm (0.5 in)	16 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	3.3 C (37.9 F)	15 of 100 (Routine)
Newport	United States	Record daily precipitation	40.6 mm (1.6 in)	15 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	15.5 mm (0.6 in)	15 of 100 (Routine)
Moruya Heads Pilot Station	Australia	Record daily precipitation	33.3 mm (1.3 in)	14 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	16.7 C (62.1 F)	14 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	29.7 mm (1.2 in)	14 of 100 (Routine)
Waverley (Belltrees 2)	Australia	Record daily precipitation	10.2 mm (0.4 in)	13 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low minimum temperature	1.1 C (34.0 F)	13 of 100 (Routine)
Crown St. Reservoir	Australia	Record daily precipitation	36.6 mm (1.4 in)	12 of 100 (Routine)
Bega (Newtown Road)	Australia	Record daily precipitation	26.4 mm (1.0 in)	11 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	9.4 C (48.9 F)	11 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	32.5 mm (1.3 in)	11 of 100 (Routine)
Concordia ASOS	United States	Record low maximum temperature	8.9 C (48.0 F)	11 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	10.7 mm (0.4 in)	10 of 100 (Routine)
Galway	Ireland	Record high maximum temperature	21.7 C (71.1 F)	10 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	1.7 C (35.1 F)	10 of 100 (Routine)
Yardea	Australia	Record daily precipitation	4.1 mm (0.16 in)	9 of 100 (Routine)
Sheringa (Lake Hamilton)	Australia	Record daily precipitation	1.8 mm (0.07 in)	9 of 100 (Routine)
Berry Masonic Village	Australia	Record daily precipitation	33.5 mm (1.3 in)	9 of 100 (Routine)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	34.3 mm (1.4 in)	8 of 100 (Routine)
Pitt Town (the Manse)	Australia	Record daily precipitation	11.2 mm (0.4 in)	8 of 100 (Routine)
Alton	Canada	Record daily precipitation	11.4 mm (0.4 in)	8 of 100 (Routine)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	44.5 mm (1.8 in)	7 of 100 (Routine)
Epping Chester Street	Australia	Record daily precipitation	22.9 mm (0.9 in)	7 of 100 (Routine)
State College	United States	Record low maximum temperature	8.3 C (46.9 F)	7 of 100 (Routine)
Ellerston	Australia	Record daily precipitation	10.2 mm (0.4 in)	6 of 100 (Routine)
Glenfield (Macquarie)	Australia	Record daily precipitation	15.7 mm (0.6 in)	6 of 100 (Routine)
Parnu	Estonia	Record low minimum temperature	-1.5 C (29.3 F)	6 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	1.1 C (34.0 F)	4 of 100 (Routine)
Ny City Cntrl Park	United States	Record low minimum temperature	3.3 C (37.9 F)	4 of 100 (Routine)
Barringun	Australia	Record daily precipitation	2.5 mm (0.10 in)	3 of 100 (Routine)
Bukalong Station	Australia	Record daily precipitation	9.4 mm (0.37 in)	3 of 100 (Routine)
Freiburg	Germany	Record high minimum temperature	12.9 C (55.2 F)	3 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	16.0 mm (0.6 in)	3 of 100 (Routine)
Bungendore (Douglas)	Australia	Record daily precipitation	1.3 mm (0.05 in)	2 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	-1.1 C (30.0 F)	2 of 100 (Routine)
London South	Canada	Record low minimum temperature	-2.2 C (28.0 F)	2 of 100 (Routine)
Nicola Lake	Canada	Record daily precipitation	3.3 mm (0.13 in)	1 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-4.4 C (24.1 F)	1 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	1.0 C (33.8 F)	1 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	-2.2 C (28.0 F)	1 of 100 (Routine)
Portland Rfc City	United States	Record low minimum temperature	4.4 C (39.9 F)	1 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	21.0 C (69.8 F)	0 of 100 (Routine)

Counts by Type and Timescale

60 records

Records set or tied on 4 May 1917 by type: Highest daily maximum 3, Lowest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 11, Heaviest daily rainfall 35, Heaviest daily snowfall 1.

Records on 4 May 1917 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	8
Highest daily minimum	2
Lowest daily minimum	11
Heaviest daily rainfall	35
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 May 1917 by timescale: all-time 0, monthly 4, daily 56.

How Much Records Were Beaten By

48 broken records

Margins by which the 48 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.6. Ties are not counted.

Top 20 by Significance

4 May 1917

Top 20 records on 4 May 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1917	Milton Post Office, AU	daily rain	133.4 mm (5.3 in)	101.6 mm (4.0 in)	37 years	55 of 100 (Notable)
4 May 1917	Bodalla Post Office, AU	daily rain	59.7 mm (2.4 in)	44.2 mm (1.7 in)	12 years	26 of 100 (Routine)
4 May 1917	Philadelphia City, US	monthly low max	7.8 C (46.0 F)	1.1 C (2.0 F)	34 years	26 of 100 (Routine)
4 May 1917	Vineland, US	monthly low max	8.9 C (48.0 F)	1.1 C (2.0 F)	34 years	25 of 100 (Routine)
4 May 1917	Burwood 1, AU	daily rain	39.4 mm (1.6 in)	25.9 mm (1.0 in)	24 years	24 of 100 (Routine)
4 May 1917	Baltimore Customs House, US	monthly low max	9.4 C (48.9 F)	0.6 C (1.1 F)	20 years	21 of 100 (Routine)
4 May 1917	Armidale (Radio Station 2Ad), AU	daily rain	17.8 mm (0.7 in)	7.1 mm (0.28 in)	53 years	20 of 100 (Routine)
4 May 1917	Bobundara, AU	daily rain	14.2 mm (0.6 in)	11.2 mm (0.4 in)	29 years	20 of 100 (Routine)
4 May 1917	Walcha Post Office, AU	daily rain	21.6 mm (0.9 in)	12.5 mm (0.5 in)	12 years	20 of 100 (Routine)
4 May 1917	Cooma Lambie Street, AU	daily rain	7.9 mm (0.31 in)	3.6 mm (0.14 in)	42 years	20 of 100 (Routine)
4 May 1917	Laurieton (Elouera St), AU	daily rain	47.0 mm (1.9 in)	21.6 mm (0.9 in)	24 years	18 of 100 (Routine)
4 May 1917	Southampton, CA	daily low min	-3.3 C (26.1 F)	1.1 C (2.0 F)	41 years	18 of 100 (Routine)
4 May 1917	Cap Chat, CA	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	33 years	18 of 100 (Routine)
4 May 1917	Toledo Blade, US	daily low max	6.7 C (44.1 F)	1.6 C (2.9 F)	42 years	18 of 100 (Routine)
4 May 1917	Perm, RU	daily rain	7.5 mm (0.30 in)	3.3 mm (0.13 in)	28 years	17 of 100 (Routine)
4 May 1917	Gundy (Miller St), AU	daily rain	9.4 mm (0.37 in)	6.9 mm (0.27 in)	24 years	16 of 100 (Routine)
4 May 1917	Malmesbury, ZA	daily rain	13.2 mm (0.5 in)	4.8 mm (0.19 in)	20 years	16 of 100 (Routine)
4 May 1917	Pointe Au Pere, CA	daily low max	3.3 C (37.9 F)	0.6 C (1.1 F)	34 years	15 of 100 (Routine)
4 May 1917	Newport, US	daily rain	40.6 mm (1.6 in)	14.9 mm (0.6 in)	3 years	15 of 100 (Routine)
4 May 1917	Chattanooga Wb City, US	daily rain	15.5 mm (0.6 in)	7.6 mm (0.30 in)	20 years	15 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 1917

Records set or tied on this calendar date in each year from 1795 to 1917. 1917 had 60 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 1917-05-04: 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	43
20 to 40	3
40 to 60	1
60 to 80	0
80 to 100	0
100 to 120	1