Weather Records on 12 October 1947

358 weather records were set or tied worldwide on 12 October 1947. Highest significance: Holbrook, US.

Key Facts for 12 October 1947

On 12 October 1947, 358 weather records were set or tied at long-record stations worldwide.
190 were record highs and 32 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 3 monthly and 353 daily.
Holbrook set a daily record precipitation of 30.5 mm (1.2 in) on 12 October 1947.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

358 stations

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

Weather records on 12 October 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Holbrook	United States	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Hypoluxo	United States	Record daily precipitation	217.2 mm (8.6 in)	52 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	32.4 mm (1.3 in)	46 of 100 (Notable)
Cooperstown	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	41.7 mm (1.6 in)	45 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	43.9 mm (1.7 in)	44 of 100 (Notable)
Ft Lauderdale	United States	Record daily precipitation	275.6 mm (10.9 in)	44 of 100 (Notable)
Homestead Exp STN	United States	Record daily precipitation	136.4 mm (5.4 in)	43 of 100 (Notable)
Globe Rs	United States	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Norfolk	United States	Record daily precipitation	39.6 mm (1.6 in)	41 of 100 (Notable)
Napoleon	United States	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Pinedale	United States	Record daily precipitation	98.3 mm (3.9 in)	40 of 100 (Notable)
Snowflake	United States	Record daily precipitation	49.8 mm (2.0 in)	39 of 100 (Notable)
Winslow AP	United States	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Nome AP	United States	Record daily snowfall	13.0 cm (5.1 in)	38 of 100 (Notable)
Salida	United States	Record daily precipitation	25.1 mm (1.0 in)	35 of 100 (Notable)
Amta	India	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Winslow AP	United States	Record low maximum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Silver Lake	United States	Record daily snowfall	25.4 cm (10.0 in)	31 of 100 (Routine)
Rietvallei	South Africa	Record daily precipitation	46.5 mm (1.8 in)	30 of 100 (Routine)
Pollock	United States	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
Oracle	United States	Record low maximum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Oracle	United States	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	18.0 C (64.4 F)	26 of 100 (Routine)
Kapskarmo	Norway	Record daily precipitation	54.8 mm (2.2 in)	26 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	24.0 C (75.2 F)	25 of 100 (Routine)
Hovlandsdal	Norway	Record daily precipitation	68.4 mm (2.7 in)	24 of 100 (Routine)
Drevja	Norway	Record daily precipitation	70.0 mm (2.8 in)	24 of 100 (Routine)
Salida	United States	Record daily snowfall	5.1 cm (2.0 in)	24 of 100 (Routine)
Scipio	United States	Record low maximum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	20.1 C (68.2 F)	23 of 100 (Routine)
Gop	India	Record daily precipitation	73.7 mm (2.9 in)	23 of 100 (Routine)
Stockholm	Sweden	Record high maximum temperature	15.4 C (59.7 F)	23 of 100 (Routine)
Lowestoft	United Kingdom	Record high maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Grand Canyon HQ	United States	Record low maximum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Tucson WFO	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	14.0 C (57.2 F)	22 of 100 (Routine)
Las Vegas	United States	Record low maximum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Loa	United States	Record low maximum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Vashon Island	United States	Record low maximum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Mount Gambier Post Office	Australia	Record low minimum temperature	1.8 C (35.2 F)	21 of 100 (Routine)
Macharla	India	Record daily precipitation	40.6 mm (1.6 in)	21 of 100 (Routine)
San Jose	United States	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Choteau	United States	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Tellico Plains	United States	Record daily precipitation	40.4 mm (1.6 in)	21 of 100 (Routine)
Florence	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Las Vegas	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Guildford Post Office	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Westcliffe	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Crested Butte	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Monument 2 WSW	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Rottnest Island Lighthouse	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Cuballing	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Pinal Rch	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Intake	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Sacaton	United States	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Ft Morgan	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Silver Lake	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

358 records

Records set or tied on 12 October 1947 by type: Highest daily maximum 107, Lowest daily maximum 25, Highest daily minimum 83, Lowest daily minimum 7, Heaviest daily rainfall 131, Heaviest daily snowfall 5.

Records on 12 October 1947 by type
Record type	Records
Highest daily maximum	107
Lowest daily maximum	25
Highest daily minimum	83
Lowest daily minimum	7
Heaviest daily rainfall	131
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 12 October 1947 by timescale: all-time 2, monthly 3, daily 353.

How Much Records Were Beaten By

275 broken records

Margins by which the 275 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

12 October 1947

Top 20 records on 12 October 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 October 1947	Holbrook, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	47 years	52 of 100 (Notable)
12 October 1947	Hypoluxo, US	daily rain	217.2 mm (8.6 in)	123.7 mm (4.9 in)	24 years	52 of 100 (Notable)
12 October 1947	Aleksandrovsk-Sahalinskij, RU	daily rain	32.4 mm (1.3 in)	21.2 mm (0.8 in)	26 years	46 of 100 (Notable)
12 October 1947	Cooperstown, US	daily rain	39.4 mm (1.6 in)	38.9 mm (1.5 in)	6 years	46 of 100 (Notable)
12 October 1947	Steele 4N, US	daily rain	41.7 mm (1.6 in)	30.5 mm (1.2 in)	16 years	45 of 100 (Notable)
12 October 1947	Whiteriver 1 SW, US	daily rain	43.9 mm (1.7 in)	40.3 mm (1.6 in)	2 years	44 of 100 (Notable)
12 October 1947	Ft Lauderdale, US	all-time rain	275.6 mm (10.9 in)	41.9 mm (1.6 in)	22 years	44 of 100 (Notable)
12 October 1947	Homestead Exp STN, US	daily rain	136.4 mm (5.4 in)	82.8 mm (3.3 in)	22 years	43 of 100 (Notable)
12 October 1947	Globe Rs, US	daily rain	34.0 mm (1.3 in)	32.2 mm (1.3 in)	2 years	41 of 100 (Notable)
12 October 1947	Norfolk, US	daily rain	39.6 mm (1.6 in)	21.1 mm (0.8 in)	44 years	41 of 100 (Notable)
12 October 1947	Napoleon, US	daily rain	37.6 mm (1.5 in)	21.9 mm (0.9 in)	17 years	41 of 100 (Notable)
12 October 1947	Pinedale, US	all-time rain	98.3 mm (3.9 in)	18.3 mm (0.7 in)	0 years	40 of 100 (Notable)
12 October 1947	Snowflake, US	monthly rain	49.8 mm (2.0 in)	11.4 mm (0.4 in)	26 years	39 of 100 (Notable)
12 October 1947	Winslow AP, US	daily rain	26.4 mm (1.0 in)	18.3 mm (0.7 in)	2 years	38 of 100 (Notable)
12 October 1947	Nome AP, US	daily snowfall	13.0 cm (5.1 in)	11.2 cm (4.4 in)	6 years	38 of 100 (Notable)
12 October 1947	Salida, US	daily rain	25.1 mm (1.0 in)	23.1 mm (0.9 in)	13 years	35 of 100 (Notable)
12 October 1947	Amta, IN	daily rain	71.1 mm (2.8 in)	55.9 mm (2.2 in)	24 years	34 of 100 (Routine)
12 October 1947	Winslow AP, US	daily low max	8.9 C (48.0 F)	6.7 C (12.1 F)	47 years	33 of 100 (Routine)
12 October 1947	Silver Lake, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	32 years	31 of 100 (Routine)
12 October 1947	Rietvallei, ZA	daily rain	46.5 mm (1.8 in)	33.8 mm (1.3 in)	1 year	30 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 1947

Records set or tied on this calendar date in each year from 1805 to 1947. 1947 had 358 records.

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

Records on 10-12 in each year
Year	Records
1805	2
1809	1
1810	1
1814	3
1822	1
1839	1
1841	1
1843	1
1850	1
1852	1
1854	1
1859	1
1860	2
1861	1
1867	1
1871	3
1873	2
1875	2
1876	5
1879	2
1881	2
1884	1
1885	2
1886	1
1887	2
1888	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	2
1895	2
1896	3
1897	3
1898	2
1899	3
1900	2
1901	6
1902	14
1903	16
1904	30
1905	13
1906	16
1907	10
1908	13
1909	30
1910	13
1911	10
1912	30
1913	33
1914	17
1915	34
1916	29
1917	53
1918	29
1919	53
1920	79
1921	102
1922	21
1923	200
1924	129
1925	107
1926	201
1927	195
1928	714
1929	165
1930	606
1931	283
1932	398
1933	155
1934	477
1935	209
1936	301
1937	185
1938	470
1939	198
1940	235
1941	226
1942	540
1943	418
1944	274
1945	321
1946	554
1947	358
1948	311
1949	725
1950	594
1951	391
1952	352
1953	252
1954	911
1955	383
1956	899
1957	473
1958	448
1959	501
1960	449
1961	436
1962	971
1963	459
1964	636
1965	157
1966	423
1967	623
1968	443
1969	1,828
1970	763
1971	382
1972	412
1973	673
1974	369
1975	830
1976	582
1977	832
1978	525
1979	898
1980	741
1981	1,201
1982	777
1983	992
1984	636
1985	872
1986	1,510
1987	1,530
1988	1,015
1989	543
1990	1,325
1991	948
1992	865
1993	1,145
1994	934
1995	1,238
1996	816
1997	1,851
1998	741
1999	641
2000	1,095
2001	1,194
2002	1,139
2003	1,043
2004	750
2005	872
2006	1,357
2007	566
2008	1,669
2009	2,300
2010	797
2011	906
2012	921
2013	558
2014	514
2015	964
2016	374
2017	1,068
2018	1,195
2019	1,321
2020	655
2021	1,294
2022	439
2023	904
2024	958
2025	624
2026	710

Download the Data

Data for records on 1947-10-12: 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 50	268
50 to 100	4
100 to 150	2
150 to 200	0
200 to 250	1