Weather Records on 28 May 1939

433 weather records were set or tied worldwide on 28 May 1939. Highest significance: Toronto, CA.

Key Facts for 28 May 1939

On 28 May 1939, 433 weather records were set or tied at long-record stations worldwide.
346 were record highs and 10 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 49 monthly and 384 daily.
Toronto set a daily record high minimum temperature of 18.3 C (64.9 F) on 28 May 1939.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 442 records.

Record Map

433 stations

433 station records on 28 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
River Jordan	Canada	Record daily precipitation	46.0 mm (1.8 in)	41 of 100 (Notable)
Hatfield	United States	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
New Westminster	Canada	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Bryson City 2	United States	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Mather 3 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Moncton	Canada	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Simcoe	Canada	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Houma	United States	Record daily precipitation	68.1 mm (2.7 in)	31 of 100 (Routine)
Clayoquot	Canada	Record daily precipitation	86.6 mm (3.4 in)	30 of 100 (Routine)
Lancaster 2 NE Pump St	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Cornwall	United States	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Alta	United States	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Washington	United States	Record high minimum temperature	22.8 C (73.0 F)	29 of 100 (Routine)
Dover	United States	Record high minimum temperature	20.6 C (69.1 F)	28 of 100 (Routine)
Goldstream Lake	Canada	Record daily precipitation	37.1 mm (1.5 in)	27 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Maysville Wwtp	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Great Falls	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Urbana Wrf	United States	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Reading Wb City	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Hvar	Croatia	Record daily precipitation	33.2 mm (1.3 in)	26 of 100 (Routine)
Gokak	India	Record daily precipitation	43.4 mm (1.7 in)	26 of 100 (Routine)
Delaware Cy Reedy Poin	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Coleman 3 WNW	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Belvidere	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Ephrata	United States	Record high minimum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Charleston 1	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Kremsmuenster	Austria	Record daily precipitation	26.4 mm (1.0 in)	25 of 100 (Routine)
Salzburg	Austria	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Cheltenham 1 NW	United States	Record high minimum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Williamstown	United States	Record high minimum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Addison	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	30.6 C (87.1 F)	24 of 100 (Routine)
Cambridge City 3 N	United States	Record daily precipitation	30.7 mm (1.2 in)	23 of 100 (Routine)
Keene	United States	Record high minimum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Spier Falls	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Towanda 1 S	United States	Record high minimum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Warren	United States	Record high minimum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Port Jervis	United States	Record high minimum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Raiganj	India	Record daily precipitation	88.9 mm (3.5 in)	21 of 100 (Routine)
Angelica	United States	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Cooperstown	United States	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Loretto	United States	Record daily precipitation	26.9 mm (1.1 in)	21 of 100 (Routine)
Chelsea	United States	Record high minimum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Cedar Lake	United States	Record daily precipitation	33.8 mm (1.3 in)	21 of 100 (Routine)
Clearbrook	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Glenville	United States	Record high minimum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Lost Creek Near	United States	Record high minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Ventspils	Latvia	Record daily precipitation	24.2 mm (1.0 in)	20 of 100 (Routine)
Beaver Lake	Canada	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Homestead	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Golden A	Canada	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Minocqua	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Snoqualmie Falls	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)

Counts by Type and Timescale

433 records

Records set or tied on 28 May 1939 by type: Highest daily maximum 66, Lowest daily maximum 5, Highest daily minimum 280, Lowest daily minimum 5, Heaviest daily rainfall 76, Heaviest daily snowfall 1.

Records on 28 May 1939 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	5
Highest daily minimum	280
Lowest daily minimum	5
Heaviest daily rainfall	76
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 28 May 1939 by timescale: all-time 0, monthly 49, daily 384.

How Much Records Were Beaten By

316 broken records

Margins by which the 316 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.6. Ties are not counted.

Top 20 by Significance

28 May 1939

Top 20 records on 28 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 1939	Toronto, CA	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	98 years	43 of 100 (Notable)
28 May 1939	River Jordan, CA	monthly rain	46.0 mm (1.8 in)	14.2 mm (0.6 in)	19 years	41 of 100 (Notable)
28 May 1939	Hatfield, US	daily rain	49.0 mm (1.9 in)	33.8 mm (1.3 in)	12 years	37 of 100 (Notable)
28 May 1939	New Westminster, CA	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	2 years	35 of 100 (Notable)
28 May 1939	Bryson City 2, US	daily rain	42.9 mm (1.7 in)	21.3 mm (0.8 in)	32 years	34 of 100 (Routine)
28 May 1939	Mather 3 NW, US	daily rain	43.2 mm (1.7 in)	28.7 mm (1.1 in)	12 years	33 of 100 (Routine)
28 May 1939	Moncton, CA	monthly rain	45.2 mm (1.8 in)	4.8 mm (0.19 in)	39 years	32 of 100 (Routine)
28 May 1939	Simcoe, CA	daily high min	18.9 C (66.0 F)	2.8 C (5.0 F)	65 years	31 of 100 (Routine)
28 May 1939	Houma, US	daily rain	68.1 mm (2.7 in)	51.6 mm (2.0 in)	9 years	31 of 100 (Routine)
28 May 1939	Clayoquot, CA	daily rain	86.6 mm (3.4 in)	35.8 mm (1.4 in)	16 years	30 of 100 (Routine)
28 May 1939	Lancaster 2 NE Pump St, US	monthly high min	25.0 C (77.0 F)	2.2 C (4.0 F)	43 years	30 of 100 (Routine)
28 May 1939	Cornwall, US	daily rain	40.1 mm (1.6 in)	14.7 mm (0.6 in)	29 years	30 of 100 (Routine)
28 May 1939	Alta, US	daily rain	46.2 mm (1.8 in)	18.3 mm (0.7 in)	39 years	29 of 100 (Routine)
28 May 1939	Washington, US	daily high min	22.8 C (73.0 F)	1.1 C (2.0 F)	65 years	29 of 100 (Routine)
28 May 1939	Dover, US	monthly high min	20.6 C (69.1 F)	0.6 C (1.1 F)	43 years	28 of 100 (Routine)
28 May 1939	Goldstream Lake, CA	daily rain	37.1 mm (1.5 in)	11.2 mm (0.4 in)	10 years	27 of 100 (Routine)
28 May 1939	Lakefield, CA	daily high min	18.9 C (66.0 F)	2.2 C (4.0 F)	58 years	27 of 100 (Routine)
28 May 1939	Maysville Wwtp, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	41 years	27 of 100 (Routine)
28 May 1939	Great Falls, US	monthly high min	22.2 C (72.0 F)	2.2 C (4.0 F)	31 years	27 of 100 (Routine)
28 May 1939	Urbana Wrf, US	monthly high min	20.0 C (68.0 F)	0.6 C (1.1 F)	40 years	27 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

1794 to 1939

Records set or tied on this calendar date in each year from 1794 to 1939. 1939 had 433 records.

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

Records on 05-28 in each year
Year	Records
1794	1
1797	1
1811	1
1824	1
1832	1
1836	5
1840	1
1841	1
1847	2
1848	1
1851	2
1857	1
1858	1
1863	1
1865	1
1868	4
1869	1
1876	1
1879	2
1880	2
1884	3
1885	2
1887	1
1888	3
1889	3
1890	3
1891	2
1892	9
1893	2
1894	9
1895	1
1896	5
1897	6
1898	1
1899	6
1900	4
1901	6
1902	12
1903	9
1904	6
1905	14
1906	31
1907	36
1908	26
1909	7
1910	18
1911	42
1912	19
1913	28
1914	58
1915	27
1916	24
1917	36
1918	43
1919	43
1920	33
1921	87
1922	80
1923	72
1924	109
1925	122
1926	143
1927	301
1928	150
1929	355
1930	131
1931	574
1932	171
1933	212
1934	537
1935	186
1936	337
1937	212
1938	285
1939	433
1940	217
1941	711
1942	279
1943	238
1944	330
1945	331
1946	413
1947	1,049
1948	333
1949	321
1950	276
1951	503
1952	314
1953	392
1954	382
1955	413
1956	456
1957	272
1958	792
1959	557
1960	431
1961	1,026
1962	859
1963	368
1964	394
1965	536
1966	284
1967	350
1968	610
1969	863
1970	310
1971	767
1972	575
1973	834
1974	585
1975	397
1976	914
1977	826
1978	802
1979	521
1980	808
1981	711
1982	1,204
1983	1,666
1984	1,357
1985	914
1986	591
1987	1,139
1988	806
1989	817
1990	1,024
1991	1,647
1992	1,610
1993	870
1994	981
1995	1,078
1996	1,438
1997	1,108
1998	1,043
1999	952
2000	1,229
2001	1,024
2002	612
2003	1,049
2004	875
2005	1,032
2006	1,566
2007	1,084
2008	902
2009	733
2010	937
2011	1,188
2012	1,237
2013	541
2014	781
2015	487
2016	625
2017	710
2018	1,348
2019	973
2020	875
2021	537
2022	476
2023	445
2024	907
2025	663
2026	1,053

Download the Data

Data for records on 1939-05-28: 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 10	288
10 to 20	22
20 to 30	3
30 to 40	2
40 to 50	0
50 to 60	1