Weather Records on 12 June 1947

840 weather records were set or tied worldwide on 12 June 1947. Highest significance: Harrison, US.

Key Facts for 12 June 1947

On 12 June 1947, 840 weather records were set or tied at long-record stations worldwide.
119 were record highs and 531 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 52 monthly and 787 daily.
Harrison set a monthly record daily snowfall of 17.8 cm (7.0 in) on 12 June 1947.
Across 166 earlier years (1797 to 2026) the same calendar date averaged 416 records.

Record Map

840 stations

840 station records on 12 June 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 June 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harrison	United States	Record daily snowfall	17.8 cm (7.0 in)	66 of 100 (Major)
Logan 1 WNW	United States	Record daily precipitation	114.3 mm (4.5 in)	58 of 100 (Notable)
Harlan	United States	Record daily precipitation	85.6 mm (3.4 in)	55 of 100 (Notable)
Tatarsk	Russia	Record daily precipitation	34.4 mm (1.4 in)	52 of 100 (Notable)
Longmont 2 ESE	United States	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Waukee	United States	Record daily precipitation	121.2 mm (4.8 in)	50 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	122.7 mm (4.8 in)	50 of 100 (Notable)
Boone	United States	Record daily precipitation	82.6 mm (3.3 in)	49 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
Perry	United States	Record daily precipitation	78.0 mm (3.1 in)	48 of 100 (Notable)
Lake Moraine	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Greenfield	United States	Record daily precipitation	112.3 mm (4.4 in)	45 of 100 (Notable)
Pitkin	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Dillon 1 E	United States	Record daily snowfall	25.4 cm (10.0 in)	42 of 100 (Notable)
Blair	United States	Record daily precipitation	77.0 mm (3.0 in)	42 of 100 (Notable)
Winchester 7 SE	United States	Record daily precipitation	53.1 mm (2.1 in)	42 of 100 (Notable)
La Crosse Wb City	United States	Record low maximum temperature	10.6 C (51.1 F)	42 of 100 (Notable)
Silverton	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Cumberland	United States	Record daily precipitation	127.0 mm (5.0 in)	41 of 100 (Notable)
Dubuque River	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Afton	United States	Record daily precipitation	70.9 mm (2.8 in)	39 of 100 (Notable)
Barduar	India	Record daily precipitation	152.4 mm (6.0 in)	38 of 100 (Notable)
Agartala	India	Record daily precipitation	152.4 mm (6.0 in)	38 of 100 (Notable)
Jefferson	United States	Record daily precipitation	70.4 mm (2.8 in)	38 of 100 (Notable)
Crete 4ESE	United States	Record daily precipitation	54.4 mm (2.1 in)	38 of 100 (Notable)
Madison Wb City	United States	Record low maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Raj-Nilgiri	India	Record daily precipitation	102.9 mm (4.1 in)	36 of 100 (Notable)
Boulder	United States	Record low maximum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Dillon 1 E	United States	Record daily precipitation	36.6 mm (1.4 in)	35 of 100 (Notable)
Greeley	United States	Record low maximum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Delaware 3 WSW	United States	Record low maximum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Little Sioux	United States	Record daily precipitation	67.1 mm (2.6 in)	35 of 100 (Notable)
Red Oak	United States	Record daily precipitation	78.5 mm (3.1 in)	35 of 100 (Notable)
Brewster	United States	Record daily precipitation	41.7 mm (1.6 in)	35 of 100 (Notable)
Mc Cool Junction	United States	Record daily precipitation	52.3 mm (2.1 in)	35 of 100 (Notable)
Utica	United States	Record daily precipitation	57.4 mm (2.3 in)	35 of 100 (Notable)
Wheatland 4N	United States	Record low maximum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Audubon	United States	Record daily precipitation	82.3 mm (3.2 in)	34 of 100 (Routine)
Clinton #1	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Purdum	United States	Record daily precipitation	36.3 mm (1.4 in)	34 of 100 (Routine)
Riverton	United States	Record daily precipitation	51.1 mm (2.0 in)	34 of 100 (Routine)
Mt Carroll	United States	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Clay Ctr 6 ESE	United States	Record daily precipitation	58.7 mm (2.3 in)	33 of 100 (Routine)
Fremont	United States	Record daily precipitation	68.1 mm (2.7 in)	33 of 100 (Routine)
Seward	United States	Record daily precipitation	66.8 mm (2.6 in)	33 of 100 (Routine)
Wauneta	United States	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Lusk 2 SW	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Muenster	Germany	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Bedford	United States	Record daily precipitation	110.5 mm (4.4 in)	32 of 100 (Routine)
Cedar Rapids #1	United States	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Washington	United States	Record low maximum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Colby	United States	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Nebraska City 1 NW	United States	Record daily precipitation	95.3 mm (3.8 in)	32 of 100 (Routine)
Tecumseh 1S	United States	Record daily precipitation	86.9 mm (3.4 in)	32 of 100 (Routine)
South Pass City	United States	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	3.8 C (38.8 F)	31 of 100 (Routine)
Middletown 4 W	United States	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Corning	United States	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Bridgeport	United States	Record low maximum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Syracuse	United States	Record daily precipitation	65.8 mm (2.6 in)	31 of 100 (Routine)

Counts by Type and Timescale

840 records

Records set or tied on 12 June 1947 by type: Highest daily maximum 59, Lowest daily maximum 355, Highest daily minimum 60, Lowest daily minimum 176, Heaviest daily rainfall 166, Heaviest daily snowfall 23, Deepest snow cover 1.

Records on 12 June 1947 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	355
Highest daily minimum	60
Lowest daily minimum	176
Heaviest daily rainfall	166
Heaviest daily snowfall	23
Deepest snow cover	1

Records on 12 June 1947 by timescale: all-time 1, monthly 52, daily 787.

How Much Records Were Beaten By

693 broken records

Margins by which the 693 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

12 June 1947

Top 20 records on 12 June 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 June 1947	Harrison, US	monthly snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	54 years	66 of 100 (Major)
12 June 1947	Logan 1 WNW, US	daily rain	114.3 mm (4.5 in)	88.9 mm (3.5 in)	44 years	58 of 100 (Notable)
12 June 1947	Harlan, US	daily rain	85.6 mm (3.4 in)	62.7 mm (2.5 in)	38 years	55 of 100 (Notable)
12 June 1947	Tatarsk, RU	daily rain	34.4 mm (1.4 in)	23.3 mm (0.9 in)	29 years	52 of 100 (Notable)
12 June 1947	Longmont 2 ESE, US	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	20 years	51 of 100 (Notable)
12 June 1947	Waukee, US	daily rain	121.2 mm (4.8 in)	93.3 mm (3.7 in)	18 years	50 of 100 (Notable)
12 June 1947	Winterset 4N, US	daily rain	122.7 mm (4.8 in)	103.4 mm (4.1 in)	18 years	50 of 100 (Notable)
12 June 1947	Boone, US	daily rain	82.6 mm (3.3 in)	54.7 mm (2.2 in)	18 years	49 of 100 (Notable)
12 June 1947	Indianola 1SW, US	daily rain	64.8 mm (2.6 in)	48.0 mm (1.9 in)	34 years	49 of 100 (Notable)
12 June 1947	Perry, US	daily rain	78.0 mm (3.1 in)	64.3 mm (2.5 in)	20 years	48 of 100 (Notable)
12 June 1947	Lake Moraine, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	51 years	45 of 100 (Notable)
12 June 1947	Greenfield, US	daily rain	112.3 mm (4.4 in)	66.6 mm (2.6 in)	6 years	45 of 100 (Notable)
12 June 1947	Pitkin, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	37 years	44 of 100 (Notable)
12 June 1947	Dillon 1 E, US	monthly snowfall	25.4 cm (10.0 in)	10.2 cm (4.0 in)	24 years	42 of 100 (Notable)
12 June 1947	Blair, US	daily rain	77.0 mm (3.0 in)	45.8 mm (1.8 in)	22 years	42 of 100 (Notable)
12 June 1947	Winchester 7 SE, US	daily rain	53.1 mm (2.1 in)	39.6 mm (1.6 in)	22 years	42 of 100 (Notable)
12 June 1947	La Crosse Wb City, US	daily low max	10.6 C (51.1 F)	6.6 C (11.9 F)	71 years	42 of 100 (Notable)
12 June 1947	Silverton, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	40 years	41 of 100 (Notable)
12 June 1947	Cumberland, US	all-time rain	127.0 mm (5.0 in)	16.5 mm (0.6 in)	23 years	41 of 100 (Notable)
12 June 1947	Dubuque River, US	daily low max	11.1 C (52.0 F)	6.7 C (12.1 F)	72 years	41 of 100 (Notable)

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

1797 to 1947

Records set or tied on this calendar date in each year from 1797 to 1947. 1947 had 840 records.

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

Records on 06-12 in each year
Year	Records
1797	1
1811	2
1838	1
1840	1
1843	1
1844	1
1845	1
1847	2
1854	1
1857	2
1859	1
1862	1
1863	1
1865	3
1866	3
1867	1
1871	1
1873	1
1874	3
1876	1
1877	4
1879	2
1880	5
1881	4
1882	2
1883	1
1884	2
1885	2
1887	2
1888	1
1889	1
1890	1
1892	1
1893	3
1894	6
1895	1
1896	1
1897	2
1898	8
1899	7
1900	3
1901	3
1902	8
1903	34
1904	8
1905	10
1906	24
1907	20
1908	9
1909	16
1910	37
1911	21
1912	23
1913	19
1914	36
1915	26
1916	80
1917	117
1918	44
1919	56
1920	93
1921	42
1922	56
1923	166
1924	153
1925	165
1926	201
1927	281
1928	180
1929	217
1930	127
1931	150
1932	352
1933	361
1934	159
1935	259
1936	440
1937	405
1938	349
1939	297
1940	389
1941	512
1942	729
1943	399
1944	423
1945	567
1946	321
1947	840
1948	215
1949	407
1950	530
1951	735
1952	1,035
1953	730
1954	337
1955	759
1956	786
1957	310
1958	454
1959	320
1960	200
1961	405
1962	328
1963	618
1964	405
1965	406
1966	530
1967	706
1968	404
1969	834
1970	701
1971	374
1972	903
1973	894
1974	575
1975	560
1976	617
1977	494
1978	438
1979	1,013
1980	718
1981	784
1982	734
1983	664
1984	653
1985	1,203
1986	778
1987	742
1988	785
1989	797
1990	664
1991	756
1992	849
1993	970
1994	654
1995	953
1996	925
1997	932
1998	1,683
1999	806
2000	1,169
2001	1,231
2002	965
2003	1,187
2004	759
2005	1,804
2006	1,216
2007	784
2008	1,219
2009	858
2010	1,423
2011	786
2012	751
2013	931
2014	421
2015	679
2016	809
2017	910
2018	635
2019	1,285
2020	712
2021	767
2022	1,204
2023	805
2024	805
2025	409
2026	979

Download the Data

Data for records on 1947-06-12: 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 25	644
25 to 50	24
50 to 75	10
75 to 100	7
100 to 125	3
125 to 150	3
150 to 175	1
175 to 200	1