Weather Records on 27 October 1939

836 weather records were set or tied worldwide on 27 October 1939. Highest significance: Cumbalum (Fairview), AU.

Key Facts for 27 October 1939

On 27 October 1939, 836 weather records were set or tied at long-record stations worldwide.
477 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 811 daily.
Cumbalum (Fairview) set a daily record precipitation of 136.7 mm (5.4 in) on 27 October 1939.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 476 records.

Record Map

836 stations

836 station records on 27 October 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cumbalum (Fairview)	Australia	Record daily precipitation	136.7 mm (5.4 in)	59 of 100 (Notable)
Ballina (Crowley Village)	Australia	Record daily precipitation	119.6 mm (4.7 in)	58 of 100 (Notable)
Wollongbar (Central Park Drive	Australia	Record daily precipitation	110.2 mm (4.3 in)	58 of 100 (Notable)
Maclean (McLachlan Street)	Australia	Record daily precipitation	96.5 mm (3.8 in)	55 of 100 (Notable)
Woodburn Post Office	Australia	Record daily precipitation	93.5 mm (3.7 in)	55 of 100 (Notable)
Lubeck-Werft	Germany	Record daily precipitation	47.5 mm (1.9 in)	55 of 100 (Notable)
Kirchdorf/Poel	Germany	Record daily precipitation	41.2 mm (1.6 in)	53 of 100 (Notable)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	180.3 mm (7.1 in)	52 of 100 (Notable)
Upper Orara (Aurania)	Australia	Record daily precipitation	82.0 mm (3.2 in)	52 of 100 (Notable)
Grove City	United States	Record daily precipitation	68.1 mm (2.7 in)	52 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Raigarh	India	Record daily precipitation	52.1 mm (2.1 in)	51 of 100 (Notable)
Casino Airport	Australia	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
La Salle Peru	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Woolgoolga (Clear Place)	Australia	Record daily precipitation	104.4 mm (4.1 in)	48 of 100 (Notable)
Emporium 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	48 of 100 (Notable)
Brushgrove Post Office	Australia	Record daily precipitation	81.3 mm (3.2 in)	46 of 100 (Notable)
Lawrence Post Office	Australia	Record daily precipitation	79.5 mm (3.1 in)	46 of 100 (Notable)
Koolool	Australia	Record daily precipitation	73.7 mm (2.9 in)	45 of 100 (Notable)
Coffs Harbour	Australia	Record daily precipitation	129.8 mm (5.1 in)	45 of 100 (Notable)
Alstonville Post Office	Australia	Record daily precipitation	108.7 mm (4.3 in)	44 of 100 (Notable)
Raleigh Post Office	Australia	Record daily precipitation	128.8 mm (5.1 in)	44 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	43.2 mm (1.7 in)	44 of 100 (Notable)
Karanjia	India	Record daily precipitation	87.9 mm (3.5 in)	43 of 100 (Notable)
Greenfield	United States	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Hindol	India	Record daily precipitation	72.9 mm (2.9 in)	41 of 100 (Notable)
The Oaks	Australia	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
South Grafton Post Office	Australia	Record daily precipitation	55.4 mm (2.2 in)	40 of 100 (Notable)
Bellingen Post Office	Australia	Record daily precipitation	79.2 mm (3.1 in)	40 of 100 (Notable)
Guy Fawkes 2	Australia	Record daily precipitation	81.3 mm (3.2 in)	39 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	49.8 mm (2.0 in)	39 of 100 (Notable)
Kamakhyanagar	India	Record daily precipitation	67.3 mm (2.6 in)	38 of 100 (Notable)
Huntington	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Nambucca Heads Bowling Club	Australia	Record daily precipitation	88.4 mm (3.5 in)	37 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Lancaster 2 NW	United States	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Toledo Blade	United States	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Uri	India	Record daily precipitation	49.3 mm (1.9 in)	35 of 100 (Notable)
Minonk	United States	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Ft Wayne Maumee	United States	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Philo 3 SW	United States	Record daily precipitation	42.2 mm (1.7 in)	35 of 100 (Notable)
Putbus	Germany	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Cadiz	United States	Record daily precipitation	37.1 mm (1.5 in)	34 of 100 (Routine)
Pardelup	Australia	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Wilgarrup	Australia	Record daily precipitation	25.7 mm (1.0 in)	33 of 100 (Routine)
Cooeearup	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Copmanhurst Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	33 of 100 (Routine)
Johnstown	United States	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Ulmarra (Newsagency)	Australia	Record daily precipitation	89.7 mm (3.5 in)	32 of 100 (Routine)
Clunes	Australia	Record daily precipitation	59.9 mm (2.4 in)	32 of 100 (Routine)
Macksville Country Club	Australia	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Defiance	United States	Record daily precipitation	34.3 mm (1.4 in)	32 of 100 (Routine)
Philo	United States	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Pembroke Eddy Match	Canada	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Arkalgud	India	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Akhuapada	India	Record daily precipitation	57.2 mm (2.3 in)	31 of 100 (Routine)
Dharmasala	India	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Taylorsville 2SW	United States	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)

Counts by Type and Timescale

836 records

Records set or tied on 27 October 1939 by type: Highest daily maximum 153, Lowest daily maximum 32, Highest daily minimum 324, Lowest daily minimum 25, Heaviest daily rainfall 285, Heaviest daily snowfall 10, Deepest snow cover 7.

Records on 27 October 1939 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	32
Highest daily minimum	324
Lowest daily minimum	25
Heaviest daily rainfall	285
Heaviest daily snowfall	10
Deepest snow cover	7

Records on 27 October 1939 by timescale: all-time 0, monthly 25, daily 811.

How Much Records Were Beaten By

717 broken records

Margins by which the 717 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 158.7. Ties are not counted.

Top 20 by Significance

27 October 1939

Top 20 records on 27 October 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 1939	Cumbalum (Fairview), AU	daily rain	136.7 mm (5.4 in)	86.7 mm (3.4 in)	46 years	59 of 100 (Notable)
27 October 1939	Ballina (Crowley Village), AU	daily rain	119.6 mm (4.7 in)	79.5 mm (3.1 in)	46 years	58 of 100 (Notable)
27 October 1939	Wollongbar (Central Park Drive, AU	daily rain	110.2 mm (4.3 in)	70.1 mm (2.8 in)	46 years	58 of 100 (Notable)
27 October 1939	Maclean (McLachlan Street), AU	daily rain	96.5 mm (3.8 in)	52.0 mm (2.0 in)	46 years	55 of 100 (Notable)
27 October 1939	Woodburn Post Office, AU	daily rain	93.5 mm (3.7 in)	66.8 mm (2.6 in)	36 years	55 of 100 (Notable)
27 October 1939	Lubeck-Werft, DE	monthly rain	47.5 mm (1.9 in)	24.1 mm (0.9 in)	2 years	55 of 100 (Notable)
27 October 1939	Kirchdorf/Poel, DE	monthly rain	41.2 mm (1.6 in)	8.9 mm (0.35 in)	46 years	53 of 100 (Notable)
27 October 1939	Byron Bay (Jacaranda Drive), AU	daily rain	180.3 mm (7.1 in)	158.7 mm (6.2 in)	26 years	52 of 100 (Notable)
27 October 1939	Upper Orara (Aurania), AU	daily rain	82.0 mm (3.2 in)	71.6 mm (2.8 in)	30 years	52 of 100 (Notable)
27 October 1939	Grove City, US	daily rain	68.1 mm (2.7 in)	47.8 mm (1.9 in)	32 years	52 of 100 (Notable)
27 October 1939	Lismore (Centre Street), AU	daily rain	68.6 mm (2.7 in)	36.8 mm (1.4 in)	46 years	51 of 100 (Notable)
27 October 1939	Raigarh, IN	daily rain	52.1 mm (2.1 in)	50.8 mm (2.0 in)	29 years	51 of 100 (Notable)
27 October 1939	Casino Airport, AU	daily rain	76.2 mm (3.0 in)	34.0 mm (1.3 in)	57 years	49 of 100 (Notable)
27 October 1939	La Salle Peru, US	daily rain	62.7 mm (2.5 in)	53.6 mm (2.1 in)	20 years	49 of 100 (Notable)
27 October 1939	Woolgoolga (Clear Place), AU	daily rain	104.4 mm (4.1 in)	47.8 mm (1.9 in)	46 years	48 of 100 (Notable)
27 October 1939	Emporium 1 E, US	daily rain	49.5 mm (1.9 in)	32.2 mm (1.3 in)	32 years	48 of 100 (Notable)
27 October 1939	Brushgrove Post Office, AU	monthly rain	81.3 mm (3.2 in)	28.7 mm (1.1 in)	12 years	46 of 100 (Notable)
27 October 1939	Lawrence Post Office, AU	daily rain	79.5 mm (3.1 in)	34.0 mm (1.3 in)	46 years	46 of 100 (Notable)
27 October 1939	Koolool, AU	daily rain	73.7 mm (2.9 in)	53.4 mm (2.1 in)	5 years	45 of 100 (Notable)
27 October 1939	Coffs Harbour, AU	daily rain	129.8 mm (5.1 in)	122.9 mm (4.8 in)	5 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

1802 to 1939

Records set or tied on this calendar date in each year from 1802 to 1939. 1939 had 836 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 1939-10-27: 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	634
20 to 40	56
40 to 60	12
60 to 80	8
80 to 100	4
100 to 120	1
120 to 140	1
140 to 160	1