Weather Records on 10 May 1945

646 weather records were set or tied worldwide on 10 May 1945. Highest significance: Lake Cochituate, US.

Key Facts for 10 May 1945

On 10 May 1945, 646 weather records were set or tied at long-record stations worldwide.
114 were record highs and 356 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 635 daily.
Lake Cochituate set a daily record precipitation of 49.3 mm (1.9 in) on 10 May 1945.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 439 records.

Record Map

646 stations

646 station records on 10 May 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake Cochituate	United States	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Liberty	United States	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Milan	Italy	Record high minimum temperature	19.2 C (66.6 F)	44 of 100 (Notable)
Murfreesboro 5 N	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Fredericton Unb	Canada	Record daily snowfall	6.6 cm (2.6 in)	41 of 100 (Notable)
Denman Island	Canada	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Ashland	United States	Record daily precipitation	40.9 mm (1.6 in)	38 of 100 (Notable)
Oakland 1 SE	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Sonnblick	Austria	Record high maximum temperature	7.0 C (44.6 F)	36 of 100 (Notable)
Corning	United States	Record daily precipitation	76.2 mm (3.0 in)	36 of 100 (Notable)
New Madrid	United States	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Arthur City	United States	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Saint John	Canada	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Hartington	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	14.2 C (57.6 F)	34 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
Plymouth	United States	Record daily snowfall	6.4 cm (2.5 in)	33 of 100 (Routine)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	60.0 mm (2.4 in)	32 of 100 (Routine)
Aachen	Germany	Record high minimum temperature	15.9 C (60.6 F)	31 of 100 (Routine)
Groton	United States	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Mc Minnville	United States	Record daily precipitation	55.6 mm (2.2 in)	31 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	6.8 C (44.2 F)	30 of 100 (Routine)
Sussex 1 NW	United States	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Bear Creek	Canada	Record daily precipitation	57.7 mm (2.3 in)	29 of 100 (Routine)
Basel Binningen	Switzerland	Record high maximum temperature	32.4 C (90.3 F)	29 of 100 (Routine)
Russellville	United States	Record low maximum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Streator 2SE	United States	Record low maximum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Inwood 2 SW	United States	Record daily snowfall	8.9 cm (3.5 in)	29 of 100 (Routine)
Lawrence	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Spot Pond	United States	Record daily precipitation	43.2 mm (1.7 in)	29 of 100 (Routine)
Union City	United States	Record daily precipitation	71.1 mm (2.8 in)	29 of 100 (Routine)
Trenton	United States	Record daily precipitation	36.6 mm (1.4 in)	29 of 100 (Routine)
Cedaredge	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Estherville 4E	United States	Record daily snowfall	5.1 cm (2.0 in)	28 of 100 (Routine)
Little Falls City Rsch	United States	Record daily snowfall	8.9 cm (3.5 in)	28 of 100 (Routine)
Galway	Ireland	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Lubeck-Werft	Germany	Record high minimum temperature	15.4 C (59.7 F)	27 of 100 (Routine)
Westernport	United States	Record daily precipitation	26.9 mm (1.1 in)	27 of 100 (Routine)
Chestnut Hill	United States	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Fitchburg 4 SE	United States	Record daily precipitation	40.1 mm (1.6 in)	27 of 100 (Routine)
Willmar Wwtp	United States	Record low minimum temperature	-4.4 C (24.1 F)	27 of 100 (Routine)
Alberni Beaver Creek	Canada	Record daily precipitation	51.6 mm (2.0 in)	26 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	29.2 C (84.6 F)	26 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	29.8 C (85.6 F)	26 of 100 (Routine)
Washington 1 W	United States	Record low maximum temperature	10.0 C (50.0 F)	26 of 100 (Routine)
Framingham	United States	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Cortland	United States	Record low maximum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Lawrenceville 2 S	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Bayard	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	0.8 C (33.4 F)	25 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	25.5 C (77.9 F)	25 of 100 (Routine)
Groningen	Netherlands	Record high minimum temperature	14.7 C (58.5 F)	25 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	0.6 C (33.1 F)	25 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	30.8 C (87.4 F)	24 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	31.0 C (87.8 F)	24 of 100 (Routine)
Halle	Germany	Record high maximum temperature	29.2 C (84.6 F)	24 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Harrison	United States	Record low maximum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Anderson	United States	Record daily precipitation	29.7 mm (1.2 in)	24 of 100 (Routine)
Franklin Sewage Plt	United States	Record daily precipitation	52.3 mm (2.1 in)	24 of 100 (Routine)

Counts by Type and Timescale

646 records

Records set or tied on 10 May 1945 by type: Highest daily maximum 44, Lowest daily maximum 196, Highest daily minimum 70, Lowest daily minimum 160, Heaviest daily rainfall 149, Heaviest daily snowfall 27.

Records on 10 May 1945 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	196
Highest daily minimum	70
Lowest daily minimum	160
Heaviest daily rainfall	149
Heaviest daily snowfall	27
Deepest snow cover	0

Records on 10 May 1945 by timescale: all-time 0, monthly 11, daily 635.

How Much Records Were Beaten By

508 broken records

Margins by which the 508 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

10 May 1945

Top 20 records on 10 May 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1945	Lake Cochituate, US	daily rain	49.3 mm (1.9 in)	32.8 mm (1.3 in)	47 years	45 of 100 (Notable)
10 May 1945	Liberty, US	daily rain	46.0 mm (1.8 in)	30.8 mm (1.2 in)	47 years	45 of 100 (Notable)
10 May 1945	Milan, IT	daily high min	19.2 C (66.6 F)	1.5 C (2.7 F)	167 years	44 of 100 (Notable)
10 May 1945	Murfreesboro 5 N, US	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	54 years	42 of 100 (Notable)
10 May 1945	Fredericton Unb, CA	daily snowfall	6.6 cm (2.6 in)	6.6 cm (2.6 in)	72 years	41 of 100 (Notable)
10 May 1945	Denman Island, CA	daily rain	27.9 mm (1.1 in)	17.5 mm (0.7 in)	34 years	38 of 100 (Notable)
10 May 1945	Ashland, US	daily rain	40.9 mm (1.6 in)	24.4 mm (1.0 in)	47 years	38 of 100 (Notable)
10 May 1945	Oakland 1 SE, US	daily rain	37.6 mm (1.5 in)	22.9 mm (0.9 in)	26 years	37 of 100 (Notable)
10 May 1945	Sonnblick, AT	daily high max	7.0 C (44.6 F)	5.3 C (9.5 F)	50 years	36 of 100 (Notable)
10 May 1945	Corning, US	daily rain	76.2 mm (3.0 in)	35.8 mm (1.4 in)	24 years	36 of 100 (Notable)
10 May 1945	New Madrid, US	daily rain	64.8 mm (2.6 in)	36.9 mm (1.5 in)	18 years	36 of 100 (Notable)
10 May 1945	Arthur City, US	daily rain	71.1 mm (2.8 in)	49.5 mm (1.9 in)	32 years	36 of 100 (Notable)
10 May 1945	Saint John, CA	daily rain	25.9 mm (1.0 in)	7.9 mm (0.31 in)	66 years	35 of 100 (Notable)
10 May 1945	Hartington, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	51 years	35 of 100 (Notable)
10 May 1945	Uccle, BE	daily high min	14.2 C (57.6 F)	0.6 C (1.1 F)	77 years	34 of 100 (Routine)
10 May 1945	Aibonito 1 S, PR	daily rain	58.9 mm (2.3 in)	45.4 mm (1.8 in)	24 years	33 of 100 (Routine)
10 May 1945	Plymouth, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	53 years	33 of 100 (Routine)
10 May 1945	Major Isidoro (Sertaozinho), BR	monthly rain	60.0 mm (2.4 in)	12.5 mm (0.5 in)	13 years	32 of 100 (Routine)
10 May 1945	Aachen, DE	daily high min	15.9 C (60.6 F)	3.8 C (6.8 F)	53 years	31 of 100 (Routine)
10 May 1945	Groton, US	daily rain	39.4 mm (1.6 in)	13.7 mm (0.5 in)	44 years	31 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

1805 to 1945

Records set or tied on this calendar date in each year from 1805 to 1945. 1945 had 646 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1945-05-10: 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	444
10 to 20	35
20 to 30	10
30 to 40	10
40 to 50	2
50 to 60	4
60 to 70	2
70 to 80	1