Weather Records on 18 October 1947

965 weather records were set or tied worldwide on 18 October 1947. Highest significance: Mingenew, AU.

Key Facts for 18 October 1947

On 18 October 1947, 965 weather records were set or tied at long-record stations worldwide.
603 were record highs and 27 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 942 daily.
Mingenew set a daily record precipitation of 31.5 mm (1.2 in) on 18 October 1947.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 430 records.

Record Map

965 stations

965 station records on 18 October 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mingenew	Australia	Record daily precipitation	31.5 mm (1.2 in)	54 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	48.8 mm (1.9 in)	54 of 100 (Notable)
Moola Bulla	Australia	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Karur	India	Record daily precipitation	173.0 mm (6.8 in)	53 of 100 (Notable)
Usilampatti	India	Record daily precipitation	135.9 mm (5.4 in)	52 of 100 (Notable)
The Cliff	South Africa	Record daily precipitation	40.6 mm (1.6 in)	52 of 100 (Notable)
Tulsa	United States	Record daily precipitation	88.4 mm (3.5 in)	52 of 100 (Notable)
Jefferson	United States	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Cranbrook	Australia	Record daily precipitation	32.8 mm (1.3 in)	51 of 100 (Notable)
Cape Riche	Australia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Mount Barker	Australia	Record daily precipitation	36.3 mm (1.4 in)	50 of 100 (Notable)
Illalangi	Australia	Record daily precipitation	56.1 mm (2.2 in)	49 of 100 (Notable)
Oak Park	Australia	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Port Lincoln (White Flat)	Australia	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Esquimalt	Canada	Record daily precipitation	47.0 mm (1.9 in)	49 of 100 (Notable)
Chamingup	Australia	Record daily precipitation	32.5 mm (1.3 in)	48 of 100 (Notable)
King River	Australia	Record daily precipitation	48.3 mm (1.9 in)	47 of 100 (Notable)
Victoria Gonzales Hts	Canada	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Falls City 2 SSW	United States	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Wattlegrove	Australia	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Hungund	India	Record daily precipitation	97.8 mm (3.9 in)	45 of 100 (Notable)
Mogumber	Australia	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Amelup	Australia	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Cumbam	India	Record daily precipitation	127.0 mm (5.0 in)	44 of 100 (Notable)
Kenton	United States	Record daily precipitation	92.7 mm (3.6 in)	43 of 100 (Notable)
Columbia City	United States	Record daily precipitation	82.6 mm (3.3 in)	42 of 100 (Notable)
Saanichton Cda	Canada	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Jeypore	India	Record daily precipitation	73.7 mm (2.9 in)	41 of 100 (Notable)
Summit	United States	Record daily precipitation	43.9 mm (1.7 in)	41 of 100 (Notable)
Boyup Brook	Australia	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Vita (Khanapur)	India	Record daily precipitation	61.5 mm (2.4 in)	40 of 100 (Notable)
Mazelspoort Dam	South Africa	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
Haugan 1 W	United States	Record daily precipitation	31.2 mm (1.2 in)	40 of 100 (Notable)
Sterkspruit	South Africa	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Goderich	Canada	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Detroit	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Belleville	Canada	Record high maximum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Altamura	South Africa	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Albany 1 N	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Rimrock Tieton Dam	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Ft Wayne Maumee	United States	Record daily precipitation	75.2 mm (3.0 in)	36 of 100 (Notable)
Strawberry North	Australia	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Goedemoed (Pol)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Eufaula 6 SSW	United States	Record daily precipitation	94.0 mm (3.7 in)	35 of 100 (Notable)
Madhugiri	India	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Nieuwejaarsfontein	South Africa	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Wagoner	United States	Record daily precipitation	56.4 mm (2.2 in)	34 of 100 (Routine)
Snoqualmie Falls	United States	Record daily precipitation	43.7 mm (1.7 in)	34 of 100 (Routine)
Agassiz Cda	Canada	Record daily precipitation	69.1 mm (2.7 in)	33 of 100 (Routine)
Harihar	India	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)
Myklebust I Breim	Norway	Record snow depth	36.0 cm (14.2 in)	33 of 100 (Routine)
Prineville	United States	Record high minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Kalgan River	Australia	Record daily precipitation	43.4 mm (1.7 in)	32 of 100 (Routine)
Wallace	United States	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Balandapara	India	Record daily precipitation	74.9 mm (2.9 in)	31 of 100 (Routine)
Denmark	Australia	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Chengam	India	Record daily precipitation	105.9 mm (4.2 in)	30 of 100 (Routine)
Lakeview 3 NE	United States	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Peterborough	Canada	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

965 records

Records set or tied on 18 October 1947 by type: Highest daily maximum 255, Lowest daily maximum 23, Highest daily minimum 348, Lowest daily minimum 4, Heaviest daily rainfall 330, Heaviest daily snowfall 1, Deepest snow cover 4.

Records on 18 October 1947 by type
Record type	Records
Highest daily maximum	255
Lowest daily maximum	23
Highest daily minimum	348
Lowest daily minimum	4
Heaviest daily rainfall	330
Heaviest daily snowfall	1
Deepest snow cover	4

Records on 18 October 1947 by timescale: all-time 1, monthly 22, daily 942.

How Much Records Were Beaten By

788 broken records

Margins by which the 788 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

18 October 1947

Top 20 records on 18 October 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1947	Mingenew, AU	daily rain	31.5 mm (1.2 in)	20.1 mm (0.8 in)	37 years	54 of 100 (Notable)
18 October 1947	Seattle Urban Site, US	daily rain	48.8 mm (1.9 in)	28.7 mm (1.1 in)	32 years	54 of 100 (Notable)
18 October 1947	Moola Bulla, AU	monthly rain	54.6 mm (2.1 in)	21.6 mm (0.9 in)	30 years	53 of 100 (Notable)
18 October 1947	Karur, IN	daily rain	173.0 mm (6.8 in)	131.1 mm (5.2 in)	30 years	53 of 100 (Notable)
18 October 1947	Usilampatti, IN	daily rain	135.9 mm (5.4 in)	86.4 mm (3.4 in)	29 years	52 of 100 (Notable)
18 October 1947	The Cliff, ZA	daily rain	40.6 mm (1.6 in)	33.2 mm (1.3 in)	30 years	52 of 100 (Notable)
18 October 1947	Tulsa, US	daily rain	88.4 mm (3.5 in)	65.5 mm (2.6 in)	41 years	52 of 100 (Notable)
18 October 1947	Jefferson, US	daily rain	44.5 mm (1.8 in)	31.8 mm (1.3 in)	32 years	52 of 100 (Notable)
18 October 1947	Cranbrook, AU	daily rain	32.8 mm (1.3 in)	22.9 mm (0.9 in)	22 years	51 of 100 (Notable)
18 October 1947	Cape Riche, AU	daily rain	41.1 mm (1.6 in)	25.4 mm (1.0 in)	22 years	50 of 100 (Notable)
18 October 1947	Mount Barker, AU	daily rain	36.3 mm (1.4 in)	21.3 mm (0.8 in)	22 years	50 of 100 (Notable)
18 October 1947	Illalangi, AU	daily rain	56.1 mm (2.2 in)	41.4 mm (1.6 in)	22 years	49 of 100 (Notable)
18 October 1947	Oak Park, AU	daily rain	32.3 mm (1.3 in)	22.4 mm (0.9 in)	22 years	49 of 100 (Notable)
18 October 1947	Port Lincoln (White Flat), AU	daily rain	25.4 mm (1.0 in)	17.8 mm (0.7 in)	38 years	49 of 100 (Notable)
18 October 1947	Esquimalt, CA	daily rain	47.0 mm (1.9 in)	30.0 mm (1.2 in)	8 years	49 of 100 (Notable)
18 October 1947	Chamingup, AU	daily rain	32.5 mm (1.3 in)	27.2 mm (1.1 in)	18 years	48 of 100 (Notable)
18 October 1947	King River, AU	daily rain	48.3 mm (1.9 in)	29.5 mm (1.2 in)	12 years	47 of 100 (Notable)
18 October 1947	Victoria Gonzales Hts, CA	daily rain	42.4 mm (1.7 in)	22.6 mm (0.9 in)	20 years	47 of 100 (Notable)
18 October 1947	Falls City 2 SSW, US	daily rain	65.0 mm (2.6 in)	57.4 mm (2.3 in)	8 years	47 of 100 (Notable)
18 October 1947	Wattlegrove, AU	daily rain	55.9 mm (2.2 in)	25.4 mm (1.0 in)	12 years	45 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

1794 to 1947

Records set or tied on this calendar date in each year from 1794 to 1947. 1947 had 965 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 1947-10-18: 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 20	736
20 to 40	38
40 to 60	7
60 to 80	3
80 to 100	2
100 to 120	0
120 to 140	1
140 to 160	1