Weather Records on 12 November 1947

532 weather records were set or tied worldwide on 12 November 1947. Highest significance: Norwalk, US.

Key Facts for 12 November 1947

On 12 November 1947, 532 weather records were set or tied at long-record stations worldwide.
70 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 28 monthly and 504 daily.
Norwalk set a daily record precipitation of 84.8 mm (3.3 in) on 12 November 1947.
Across 156 earlier years (1802 to 2025) the same calendar date averaged 499 records.

Record Map

532 stations

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

Weather records on 12 November 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Norwalk	United States	Record daily precipitation	84.8 mm (3.3 in)	59 of 100 (Notable)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	33.7 mm (1.3 in)	58 of 100 (Notable)
Tarboro 1 S	United States	Record daily precipitation	51.8 mm (2.0 in)	54 of 100 (Notable)
Potsdam	Germany	Record daily precipitation	27.9 mm (1.1 in)	52 of 100 (Notable)
Middletown 4 W	United States	Record daily precipitation	73.7 mm (2.9 in)	52 of 100 (Notable)
Randolph 5 NNE	United States	Record daily precipitation	93.2 mm (3.7 in)	52 of 100 (Notable)
Qacu (Bos)	South Africa	Record daily precipitation	64.8 mm (2.6 in)	51 of 100 (Notable)
Amherst	United States	Record daily precipitation	62.5 mm (2.5 in)	51 of 100 (Notable)
Holyoke	United States	Record daily precipitation	56.1 mm (2.2 in)	51 of 100 (Notable)
Weldon	United States	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Cicero Dantas	Brazil	Record daily precipitation	60.1 mm (2.4 in)	50 of 100 (Notable)
Cata (Bos)	South Africa	Record daily precipitation	86.1 mm (3.4 in)	50 of 100 (Notable)
Lihue 1020	United States	Record daily precipitation	131.3 mm (5.2 in)	50 of 100 (Notable)
Manchester	United States	Record daily precipitation	108.5 mm (4.3 in)	49 of 100 (Notable)
Grove Farm 1021	United States	Record daily precipitation	79.0 mm (3.1 in)	49 of 100 (Notable)
Mount Coke (Bos)	South Africa	Record daily precipitation	73.9 mm (2.9 in)	48 of 100 (Notable)
Butterworth (Tnk)	South Africa	Record daily precipitation	65.8 mm (2.6 in)	48 of 100 (Notable)
Lowell	United States	Record daily precipitation	88.1 mm (3.5 in)	48 of 100 (Notable)
Chatham	United States	Record daily precipitation	53.8 mm (2.1 in)	48 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	56.0 mm (2.2 in)	47 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	96.5 mm (3.8 in)	47 of 100 (Notable)
Lawrence	United States	Record daily precipitation	81.3 mm (3.2 in)	47 of 100 (Notable)
Keene	United States	Record daily precipitation	72.1 mm (2.8 in)	47 of 100 (Notable)
Nes Pa Hedmark	Norway	Record snow depth	25.0 cm (9.8 in)	46 of 100 (Notable)
Franklin	United States	Record daily precipitation	74.2 mm (2.9 in)	46 of 100 (Notable)
Carmel	United States	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Izeleni (Bos)	South Africa	Record daily precipitation	77.0 mm (3.0 in)	44 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	74.7 mm (2.9 in)	44 of 100 (Notable)
Nashville	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Halaula 1110	United States	Record daily precipitation	120.1 mm (4.7 in)	44 of 100 (Notable)
Pirie (Bos)	South Africa	Record daily precipitation	62.7 mm (2.5 in)	43 of 100 (Notable)
New London	United States	Record daily precipitation	106.7 mm (4.2 in)	43 of 100 (Notable)
Brockton	United States	Record daily precipitation	71.9 mm (2.8 in)	42 of 100 (Notable)
Rockport 1 ESE	United States	Record daily precipitation	101.6 mm (4.0 in)	42 of 100 (Notable)
Plymouth	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Northfield	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Umari	Brazil	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	70.1 mm (2.8 in)	41 of 100 (Notable)
Hanover	United States	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Lambertville River	United States	Record daily precipitation	39.9 mm (1.6 in)	41 of 100 (Notable)
Mechanicville 2 S	United States	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Goldsboro 4 SE	United States	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Kologha (Bos)	South Africa	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Arcadia	United States	Record daily precipitation	107.7 mm (4.2 in)	40 of 100 (Notable)
Framingham	United States	Record daily precipitation	75.4 mm (3.0 in)	40 of 100 (Notable)
Greenfield Ctr	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Tobias Barreto	Brazil	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Brocken	Germany	Record daily precipitation	91.7 mm (3.6 in)	39 of 100 (Notable)
Winterswijk	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	39 of 100 (Notable)
Falls Village	United States	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Storrs	United States	Record daily precipitation	61.5 mm (2.4 in)	39 of 100 (Notable)
North Bridgton	United States	Record daily precipitation	57.4 mm (2.3 in)	39 of 100 (Notable)
Ashland	United States	Record daily precipitation	72.9 mm (2.9 in)	39 of 100 (Notable)
Clinton	United States	Record daily precipitation	88.6 mm (3.5 in)	39 of 100 (Notable)
Glens Falls Fire STN	United States	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Rabula (Bos)	South Africa	Record daily precipitation	77.7 mm (3.1 in)	38 of 100 (Notable)
Colchester 2 W	United States	Record daily precipitation	62.0 mm (2.4 in)	38 of 100 (Notable)
Cream Hill	United States	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
Lake Konomoc	United States	Record daily precipitation	60.2 mm (2.4 in)	38 of 100 (Notable)
Durham	United States	Record daily precipitation	91.7 mm (3.6 in)	38 of 100 (Notable)

Counts by Type and Timescale

532 records

Records set or tied on 12 November 1947 by type: Highest daily maximum 39, Lowest daily maximum 11, Highest daily minimum 31, Lowest daily minimum 28, Heaviest daily rainfall 384, Heaviest daily snowfall 25, Deepest snow cover 14.

Records on 12 November 1947 by type
Record type	Records
Highest daily maximum	39
Lowest daily maximum	11
Highest daily minimum	31
Lowest daily minimum	28
Heaviest daily rainfall	384
Heaviest daily snowfall	25
Deepest snow cover	14

Records on 12 November 1947 by timescale: all-time 0, monthly 28, daily 504.

How Much Records Were Beaten By

495 broken records

Margins by which the 495 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 163.0. Ties are not counted.

Top 20 by Significance

12 November 1947

Top 20 records on 12 November 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 November 1947	Norwalk, US	daily rain	84.8 mm (3.3 in)	68.3 mm (2.7 in)	49 years	59 of 100 (Notable)
12 November 1947	Berlin-Dahlem (Lfag), DE	daily rain	33.7 mm (1.3 in)	20.9 mm (0.8 in)	37 years	58 of 100 (Notable)
12 November 1947	Tarboro 1 S, US	daily rain	51.8 mm (2.0 in)	45.2 mm (1.8 in)	38 years	54 of 100 (Notable)
12 November 1947	Potsdam, DE	daily rain	27.9 mm (1.1 in)	13.3 mm (0.5 in)	37 years	52 of 100 (Notable)
12 November 1947	Middletown 4 W, US	daily rain	73.7 mm (2.9 in)	47.0 mm (1.9 in)	40 years	52 of 100 (Notable)
12 November 1947	Randolph 5 NNE, US	daily rain	93.2 mm (3.7 in)	80.5 mm (3.2 in)	28 years	52 of 100 (Notable)
12 November 1947	Qacu (Bos), ZA	daily rain	64.8 mm (2.6 in)	28.7 mm (1.1 in)	55 years	51 of 100 (Notable)
12 November 1947	Amherst, US	daily rain	62.5 mm (2.5 in)	39.1 mm (1.5 in)	47 years	51 of 100 (Notable)
12 November 1947	Holyoke, US	daily rain	56.1 mm (2.2 in)	45.9 mm (1.8 in)	40 years	51 of 100 (Notable)
12 November 1947	Weldon, US	daily rain	37.3 mm (1.5 in)	25.9 mm (1.0 in)	73 years	51 of 100 (Notable)
12 November 1947	Cicero Dantas, BR	daily rain	60.1 mm (2.4 in)	55.5 mm (2.2 in)	25 years	50 of 100 (Notable)
12 November 1947	Cata (Bos), ZA	daily rain	86.1 mm (3.4 in)	57.1 mm (2.2 in)	20 years	50 of 100 (Notable)
12 November 1947	Lihue 1020, US	daily rain	131.3 mm (5.2 in)	101.6 mm (4.0 in)	22 years	50 of 100 (Notable)
12 November 1947	Manchester, US	monthly rain	108.5 mm (4.3 in)	34.6 mm (1.4 in)	9 years	49 of 100 (Notable)
12 November 1947	Grove Farm 1021, US	daily rain	79.0 mm (3.1 in)	53.6 mm (2.1 in)	32 years	49 of 100 (Notable)
12 November 1947	Mount Coke (Bos), ZA	daily rain	73.9 mm (2.9 in)	64.2 mm (2.5 in)	16 years	48 of 100 (Notable)
12 November 1947	Butterworth (Tnk), ZA	daily rain	65.8 mm (2.6 in)	34.0 mm (1.3 in)	57 years	48 of 100 (Notable)
12 November 1947	Lowell, US	daily rain	88.1 mm (3.5 in)	50.8 mm (2.0 in)	40 years	48 of 100 (Notable)
12 November 1947	Chatham, US	daily rain	53.8 mm (2.1 in)	41.6 mm (1.6 in)	40 years	48 of 100 (Notable)
12 November 1947	Ibiapina, BR	daily rain	56.0 mm (2.2 in)	51.9 mm (2.0 in)	25 years	47 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

1802 to 1947

Records set or tied on this calendar date in each year from 1802 to 1947. 1947 had 532 records.

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

Records on 11-12 in each year
Year	Records
1802	1
1804	1
1823	1
1835	3
1848	1
1849	1
1859	1
1862	2
1864	1
1866	1
1869	1
1870	1
1871	2
1872	1
1876	2
1878	2
1879	2
1881	7
1882	3
1885	1
1886	3
1888	2
1889	2
1890	1
1891	1
1893	2
1894	6
1895	20
1896	1
1897	7
1898	3
1899	1
1901	6
1902	20
1903	7
1904	10
1905	14
1906	15
1907	6
1908	9
1909	30
1910	34
1911	56
1912	21
1913	51
1914	18
1915	20
1916	217
1917	29
1918	16
1919	85
1920	198
1921	141
1922	61
1923	99
1924	355
1925	203
1926	224
1927	193
1928	99
1929	203
1930	191
1931	442
1932	237
1933	267
1934	292
1935	458
1936	418
1937	227
1938	529
1939	171
1940	806
1941	294
1942	173
1943	178
1944	398
1945	500
1946	428
1947	532
1948	156
1949	891
1950	458
1951	489
1952	312
1953	413
1954	393
1955	807
1956	243
1957	282
1958	290
1959	605
1960	629
1961	348
1962	233
1963	273
1964	790
1965	362
1966	517
1967	400
1968	1,185
1969	670
1970	872
1971	566
1972	716
1973	1,029
1974	559
1975	580
1976	1,236
1977	767
1978	1,278
1979	686
1980	860
1981	805
1982	1,338
1983	1,116
1984	738
1985	1,727
1986	1,839
1987	1,480
1988	941
1989	1,385
1990	971
1991	1,150
1992	1,247
1993	1,145
1994	1,025
1995	1,856
1996	1,235
1997	1,334
1998	1,214
1999	1,762
2000	1,796
2001	772
2002	1,057
2003	1,100
2004	847
2005	1,017
2006	827
2007	617
2008	680
2009	1,124
2010	1,229
2011	572
2012	1,008
2013	703
2014	1,192
2015	711
2016	609
2017	446
2018	1,277
2019	2,525
2020	1,086
2021	895
2022	1,516
2023	437
2024	396
2025	734

Download the Data

Data for records on 1947-11-12: 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	381
25 to 50	88
50 to 75	21
75 to 100	1
100 to 125	1
125 to 150	1
150 to 175	2