Weather Records on 17 June 1946

419 weather records were set or tied worldwide on 17 June 1946. Highest significance: Falmouth, US.

Key Facts for 17 June 1946

On 17 June 1946, 419 weather records were set or tied at long-record stations worldwide.
238 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 409 daily.
Falmouth set a monthly record daily precipitation of 151.1 mm (5.9 in) on 17 June 1946.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 431 records.

Record Map

419 stations

419 station records on 17 June 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Falmouth	United States	Record daily precipitation	151.1 mm (5.9 in)	56 of 100 (Notable)
Ottawa Cda	Canada	Record daily precipitation	77.5 mm (3.1 in)	51 of 100 (Notable)
Pierce Rs	United States	Record daily precipitation	53.6 mm (2.1 in)	45 of 100 (Notable)
Chatham 2	Canada	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Harrison 1 NNW	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Lima Wwtp	United States	Record daily precipitation	47.8 mm (1.9 in)	44 of 100 (Notable)
Oberlin	United States	Record daily precipitation	72.1 mm (2.8 in)	40 of 100 (Notable)
Onida 4 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Andarai	Brazil	Record daily precipitation	43.0 mm (1.7 in)	39 of 100 (Notable)
Worland	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	70.6 mm (2.8 in)	37 of 100 (Notable)
Akluj	India	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Delta	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Grand Rapids Wb City	United States	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Kenton	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Lansing	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Aurora	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Alexandria 4 WSW	United States	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Marion	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Bens Run 1 SSE	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Sikraul	India	Record daily precipitation	56.4 mm (2.2 in)	31 of 100 (Routine)
Maysville Wwtp	United States	Record daily precipitation	41.4 mm (1.6 in)	31 of 100 (Routine)
Canton	United States	Record daily precipitation	51.8 mm (2.0 in)	30 of 100 (Routine)
Pontiac Wwtp	United States	Record daily precipitation	35.3 mm (1.4 in)	29 of 100 (Routine)
Nandikottur	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Berhampur	India	Record daily precipitation	66.5 mm (2.6 in)	28 of 100 (Routine)
Bucyrus	United States	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
Springfield Elmwood Av	United States	Record daily precipitation	37.6 mm (1.5 in)	28 of 100 (Routine)
Grenfell	Canada	Record low minimum temperature	-2.2 C (28.0 F)	27 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Norcross	United States	Record daily precipitation	38.4 mm (1.5 in)	27 of 100 (Routine)
Cave Run Lake	United States	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Springfield Mad Rvr St	United States	Record daily precipitation	45.7 mm (1.8 in)	27 of 100 (Routine)
Hermosa 3 SSW	United States	Record daily precipitation	28.4 mm (1.1 in)	27 of 100 (Routine)
Maibong	India	Record daily precipitation	178.8 mm (7.0 in)	26 of 100 (Routine)
Khamaria	India	Record daily precipitation	74.9 mm (2.9 in)	26 of 100 (Routine)
Meeker	United States	Record high minimum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Mansfield 5 W	United States	Record daily precipitation	64.8 mm (2.6 in)	26 of 100 (Routine)
Jhaldah(Jhalda)	India	Record daily precipitation	68.6 mm (2.7 in)	25 of 100 (Routine)
Uman	Ukraine	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Griffin	United States	Record daily precipitation	46.5 mm (1.8 in)	25 of 100 (Routine)
Lawrence	United States	Record high minimum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Fort Simpson	Canada	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Bassawan	India	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
Ann Arbor U of Mich	United States	Record daily precipitation	33.8 mm (1.3 in)	24 of 100 (Routine)
Catawba Island 1 SW	United States	Record daily precipitation	69.3 mm (2.7 in)	24 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	39.4 C (102.9 F)	24 of 100 (Routine)
Muskegon Co AP	United States	Record daily precipitation	40.1 mm (1.6 in)	24 of 100 (Routine)
Minneapolis	United States	Record high maximum temperature	42.2 C (108.0 F)	23 of 100 (Routine)
Osceola	United States	Record high maximum temperature	41.7 C (107.1 F)	23 of 100 (Routine)
Ashland	United States	Record daily precipitation	56.6 mm (2.2 in)	23 of 100 (Routine)
Vickery 2 NW	United States	Record daily precipitation	68.3 mm (2.7 in)	23 of 100 (Routine)
Waverly	United States	Record daily precipitation	29.7 mm (1.2 in)	23 of 100 (Routine)
Claremore 2 ENE	United States	Record high minimum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Manhattan	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
East Lansing Exp Farm	United States	Record daily precipitation	30.7 mm (1.2 in)	22 of 100 (Routine)
Wayne	United States	Record daily precipitation	75.7 mm (3.0 in)	22 of 100 (Routine)
Cascade 5 S	United States	Record daily precipitation	28.7 mm (1.1 in)	22 of 100 (Routine)
Fort McPherson	Canada	Record high minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

419 records

Records set or tied on 17 June 1946 by type: Highest daily maximum 52, Lowest daily maximum 6, Highest daily minimum 186, Lowest daily minimum 19, Heaviest daily rainfall 156.

Records on 17 June 1946 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	6
Highest daily minimum	186
Lowest daily minimum	19
Heaviest daily rainfall	156
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1946 by timescale: all-time 0, monthly 10, daily 409.

How Much Records Were Beaten By

320 broken records

Margins by which the 320 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.7. Ties are not counted.

Top 20 by Significance

17 June 1946

Top 20 records on 17 June 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1946	Falmouth, US	monthly rain	151.1 mm (5.9 in)	44.7 mm (1.8 in)	5 years	56 of 100 (Notable)
17 June 1946	Ottawa Cda, CA	monthly rain	77.5 mm (3.1 in)	19.8 mm (0.8 in)	50 years	51 of 100 (Notable)
17 June 1946	Pierce Rs, US	daily rain	53.6 mm (2.1 in)	38.4 mm (1.5 in)	8 years	45 of 100 (Notable)
17 June 1946	Chatham 2, CA	daily rain	62.2 mm (2.4 in)	35.0 mm (1.4 in)	0 years	44 of 100 (Notable)
17 June 1946	Harrison 1 NNW, US	daily rain	39.4 mm (1.6 in)	29.7 mm (1.2 in)	51 years	44 of 100 (Notable)
17 June 1946	Lima Wwtp, US	daily rain	47.8 mm (1.9 in)	30.5 mm (1.2 in)	35 years	44 of 100 (Notable)
17 June 1946	Oberlin, US	daily rain	72.1 mm (2.8 in)	31.7 mm (1.2 in)	25 years	40 of 100 (Notable)
17 June 1946	Onida 4 NW, US	daily rain	43.2 mm (1.7 in)	30.5 mm (1.2 in)	13 years	40 of 100 (Notable)
17 June 1946	Andarai, BR	daily rain	43.0 mm (1.7 in)	20.6 mm (0.8 in)	32 years	39 of 100 (Notable)
17 June 1946	Worland, US	daily rain	31.8 mm (1.3 in)	22.4 mm (0.9 in)	23 years	39 of 100 (Notable)
17 June 1946	Waseca S Rsch & Outreach Ctr, US	daily rain	70.6 mm (2.8 in)	35.5 mm (1.4 in)	23 years	37 of 100 (Notable)
17 June 1946	Akluj, IN	daily rain	68.6 mm (2.7 in)	30.8 mm (1.2 in)	16 years	35 of 100 (Notable)
17 June 1946	Delta, US	monthly rain	27.9 mm (1.1 in)	6.3 mm (0.25 in)	18 years	35 of 100 (Notable)
17 June 1946	Grand Rapids Wb City, US	daily rain	38.9 mm (1.5 in)	30.0 mm (1.2 in)	21 years	35 of 100 (Notable)
17 June 1946	Kenton, US	daily rain	50.8 mm (2.0 in)	27.4 mm (1.1 in)	25 years	35 of 100 (Notable)
17 June 1946	Lansing, US	daily rain	57.2 mm (2.3 in)	30.0 mm (1.2 in)	20 years	34 of 100 (Routine)
17 June 1946	Aurora, US	daily rain	50.8 mm (2.0 in)	23.4 mm (0.9 in)	31 years	32 of 100 (Routine)
17 June 1946	Alexandria 4 WSW, US	daily rain	40.6 mm (1.6 in)	25.4 mm (1.0 in)	20 years	32 of 100 (Routine)
17 June 1946	Marion, US	daily rain	57.2 mm (2.3 in)	21.6 mm (0.9 in)	32 years	32 of 100 (Routine)
17 June 1946	Bens Run 1 SSE, US	monthly high min	26.1 C (79.0 F)	2.2 C (4.0 F)	44 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

1807 to 1946

Records set or tied on this calendar date in each year from 1807 to 1946. 1946 had 419 records.

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

Records on 06-17 in each year
Year	Records
1807	2
1810	1
1811	1
1830	1
1837	1
1839	1
1840	1
1845	1
1846	1
1848	1
1855	1
1866	2
1867	1
1869	2
1872	1
1873	1
1874	1
1875	1
1878	1
1879	1
1882	3
1883	1
1884	1
1885	3
1886	3
1887	2
1888	2
1889	1
1890	1
1892	3
1894	1
1895	7
1896	3
1897	2
1898	1
1899	2
1900	6
1901	9
1902	4
1903	8
1904	4
1905	12
1906	22
1907	20
1908	26
1909	13
1910	9
1911	22
1912	47
1913	45
1914	101
1915	20
1916	103
1917	68
1918	36
1919	58
1920	79
1921	52
1922	59
1923	110
1924	80
1925	136
1926	193
1927	357
1928	137
1929	238
1930	354
1931	194
1932	257
1933	413
1934	310
1935	338
1936	484
1937	284
1938	245
1939	1,206
1940	454
1941	250
1942	286
1943	289
1944	623
1945	614
1946	419
1947	336
1948	452
1949	571
1950	506
1951	208
1952	752
1953	455
1954	488
1955	570
1956	375
1957	761
1958	597
1959	507
1960	511
1961	1,319
1962	323
1963	383
1964	794
1965	763
1966	464
1967	402
1968	403
1969	700
1970	435
1971	407
1972	437
1973	701
1974	932
1975	453
1976	430
1977	410
1978	589
1979	646
1980	754
1981	1,201
1982	642
1983	728
1984	644
1985	693
1986	912
1987	1,078
1988	712
1989	870
1990	932
1991	1,094
1992	795
1993	684
1994	1,186
1995	1,350
1996	750
1997	1,056
1998	1,661
1999	1,260
2000	1,460
2001	678
2002	1,148
2003	647
2004	839
2005	914
2006	724
2007	839
2008	656
2009	739
2010	1,104
2011	922
2012	792
2013	610
2014	685
2015	1,113
2016	874
2017	692
2018	1,050
2019	551
2020	914
2021	1,980
2022	1,209
2023	617
2024	839
2025	593
2026	743

Download the Data

Data for records on 1946-06-17: 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).

Histogram of margins by which records were beaten on 17 June 1946
Margin	Records
0 to 10	258
10 to 20	30
20 to 30	14
30 to 40	16
40 to 50	2