Weather Records on 22 October 1939

602 weather records were set or tied worldwide on 22 October 1939. Highest significance: Boomanoomana, AU.

Key Facts for 22 October 1939

On 22 October 1939, 602 weather records were set or tied at long-record stations worldwide.
309 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 20 monthly and 581 daily.
Boomanoomana set a monthly record daily precipitation of 83.8 mm (3.3 in) on 22 October 1939.
Across 161 earlier years (1793 to 2025) the same calendar date averaged 453 records.

Record Map

602 stations

602 station records on 22 October 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 October 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boomanoomana	Australia	Record daily precipitation	83.8 mm (3.3 in)	70 of 100 (Major)
Banff	Canada	Record daily snowfall	45.7 cm (18.0 in)	69 of 100 (Major)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	87.9 mm (3.5 in)	67 of 100 (Major)
Balranald (Rsl)	Australia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Moroco East	Australia	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Banff	Canada	Record daily precipitation	45.7 mm (1.8 in)	56 of 100 (Notable)
Paika	Australia	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Lake Rowan (Bungeet)	Australia	Record daily precipitation	40.6 mm (1.6 in)	51 of 100 (Notable)
Mulwala Homestead	Australia	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Pakala	India	Record daily precipitation	101.6 mm (4.0 in)	50 of 100 (Notable)
Gnalta	Australia	Record daily precipitation	44.7 mm (1.8 in)	49 of 100 (Notable)
Deniliquin Norwood	Australia	Record daily precipitation	59.2 mm (2.3 in)	49 of 100 (Notable)
Wakool (Barratta)	Australia	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Hungund	India	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
Juanbung	Australia	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Lynwood 1	Australia	Record daily precipitation	62.2 mm (2.4 in)	48 of 100 (Notable)
Yielima Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Luakaha Lower 782	United States	Record daily precipitation	126.0 mm (5.0 in)	47 of 100 (Notable)
Wanganella (Zara)	Australia	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Wilcannia (Culpaulin)	Australia	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Katbari	India	Record daily precipitation	54.4 mm (2.1 in)	43 of 100 (Notable)
Belthangady	India	Record daily precipitation	115.1 mm (4.5 in)	43 of 100 (Notable)
Gilbert River Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	42 of 100 (Notable)
Tiruvangadi	India	Record daily precipitation	148.8 mm (5.9 in)	41 of 100 (Notable)
Wilcannia (Billilla)	Australia	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Wanganella General Store	Australia	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Balranald (Tillara)	Australia	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Arumpo	Australia	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Noorong	Australia	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Gudivada	India	Record daily precipitation	125.7 mm (4.9 in)	38 of 100 (Notable)
Quilandi	India	Record daily precipitation	106.7 mm (4.2 in)	38 of 100 (Notable)
Boorhaman	Australia	Record daily precipitation	54.9 mm (2.2 in)	37 of 100 (Notable)
Maude (Nap Nap)	Australia	Record daily precipitation	49.3 mm (1.9 in)	36 of 100 (Notable)
Wangaratta	Australia	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Westminter Estate	South Africa	Record daily precipitation	86.4 mm (3.4 in)	35 of 100 (Notable)
Berrigan Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Conargo (Willurah)	Australia	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Suri	India	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Muddebihal	India	Record daily precipitation	64.8 mm (2.6 in)	33 of 100 (Routine)
Odesa	Ukraine	Record daily precipitation	26.6 mm (1.0 in)	33 of 100 (Routine)
Kualapuu 534	United States	Record daily precipitation	92.2 mm (3.6 in)	32 of 100 (Routine)
Glen Dee	Australia	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Youhl Plain Tank	Australia	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Irymple (Arlington)	Australia	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
De Aar	South Africa	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Uppiliyapuram	India	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Caiwarro	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Ron	India	Record daily precipitation	54.4 mm (2.1 in)	29 of 100 (Routine)
Piree	Australia	Record daily precipitation	37.3 mm (1.5 in)	28 of 100 (Routine)
Palkot	India	Record daily precipitation	57.2 mm (2.3 in)	28 of 100 (Routine)
Mildura Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	27 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	18.0 cm (7.1 in)	27 of 100 (Routine)
Shikarpur	India	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Kasargod	India	Record daily precipitation	82.6 mm (3.3 in)	27 of 100 (Routine)
Halaula 1110	United States	Record daily precipitation	52.6 mm (2.1 in)	27 of 100 (Routine)
Springhurst	Australia	Record daily precipitation	53.1 mm (2.1 in)	26 of 100 (Routine)
Hospet	India	Record daily precipitation	44.7 mm (1.8 in)	26 of 100 (Routine)
Channagiri	India	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Dongargarh	India	Record daily precipitation	52.6 mm (2.1 in)	26 of 100 (Routine)

Counts by Type and Timescale

602 records

Records set or tied on 22 October 1939 by type: Highest daily maximum 249, Lowest daily maximum 4, Highest daily minimum 60, Heaviest daily rainfall 282, Heaviest daily snowfall 7.

Records on 22 October 1939 by type
Record type	Records
Highest daily maximum	249
Lowest daily maximum	4
Highest daily minimum	60
Lowest daily minimum	0
Heaviest daily rainfall	282
Heaviest daily snowfall	7
Deepest snow cover	0

Records on 22 October 1939 by timescale: all-time 1, monthly 20, daily 581.

How Much Records Were Beaten By

509 broken records

Margins by which the 509 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.0. Ties are not counted.

Top 20 by Significance

22 October 1939

Top 20 records on 22 October 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 October 1939	Boomanoomana, AU	monthly rain	83.8 mm (3.3 in)	45.2 mm (1.8 in)	44 years	70 of 100 (Major)
22 October 1939	Banff, CA	monthly snowfall	45.7 cm (18.0 in)	19.8 cm (7.8 in)	48 years	69 of 100 (Major)
22 October 1939	Deniliquin (Wilkinson St), AU	monthly rain	87.9 mm (3.5 in)	24.4 mm (1.0 in)	56 years	67 of 100 (Major)
22 October 1939	Balranald (Rsl), AU	daily rain	36.8 mm (1.4 in)	29.2 mm (1.1 in)	36 years	56 of 100 (Notable)
22 October 1939	Moroco East, AU	daily rain	66.0 mm (2.6 in)	60.7 mm (2.4 in)	41 years	56 of 100 (Notable)
22 October 1939	Banff, CA	monthly rain	45.7 mm (1.8 in)	12.7 mm (0.5 in)	36 years	56 of 100 (Notable)
22 October 1939	Paika, AU	daily rain	37.3 mm (1.5 in)	26.1 mm (1.0 in)	39 years	51 of 100 (Notable)
22 October 1939	Lake Rowan (Bungeet), AU	daily rain	40.6 mm (1.6 in)	30.7 mm (1.2 in)	24 years	51 of 100 (Notable)
22 October 1939	Mulwala Homestead, AU	daily rain	48.3 mm (1.9 in)	21.4 mm (0.8 in)	56 years	50 of 100 (Notable)
22 October 1939	Pakala, IN	daily rain	101.6 mm (4.0 in)	80.0 mm (3.1 in)	24 years	50 of 100 (Notable)
22 October 1939	Gnalta, AU	daily rain	44.7 mm (1.8 in)	32.0 mm (1.3 in)	26 years	49 of 100 (Notable)
22 October 1939	Deniliquin Norwood, AU	daily rain	59.2 mm (2.3 in)	47.8 mm (1.9 in)	14 years	49 of 100 (Notable)
22 October 1939	Wakool (Barratta), AU	daily rain	50.8 mm (2.0 in)	43.2 mm (1.7 in)	18 years	49 of 100 (Notable)
22 October 1939	Hungund, IN	daily rain	76.2 mm (3.0 in)	65.3 mm (2.6 in)	21 years	49 of 100 (Notable)
22 October 1939	Juanbung, AU	daily rain	40.1 mm (1.6 in)	30.2 mm (1.2 in)	18 years	48 of 100 (Notable)
22 October 1939	Lynwood 1, AU	monthly rain	62.2 mm (2.4 in)	18.5 mm (0.7 in)	28 years	48 of 100 (Notable)
22 October 1939	Yielima Post Office, AU	daily rain	36.8 mm (1.4 in)	21.8 mm (0.9 in)	44 years	47 of 100 (Notable)
22 October 1939	Luakaha Lower 782, US	daily rain	126.0 mm (5.0 in)	87.9 mm (3.5 in)	14 years	47 of 100 (Notable)
22 October 1939	Wanganella (Zara), AU	monthly rain	50.8 mm (2.0 in)	13.7 mm (0.5 in)	33 years	44 of 100 (Notable)
22 October 1939	Wilcannia (Culpaulin), AU	daily rain	36.8 mm (1.4 in)	20.8 mm (0.8 in)	25 years	43 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

1793 to 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 602 records.

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

Records on 10-22 in each year
Year	Records
1793	1
1795	1
1802	1
1810	3
1826	1
1840	1
1842	1
1843	1
1851	2
1853	1
1855	1
1857	1
1859	2
1863	1
1867	1
1869	1
1871	1
1872	1
1875	1
1877	1
1878	1
1879	1
1880	6
1883	1
1884	3
1888	1
1889	1
1890	5
1891	15
1892	3
1893	2
1894	3
1895	5
1896	1
1897	2
1898	8
1900	3
1901	7
1902	3
1903	8
1904	17
1905	13
1906	12
1907	14
1908	24
1909	6
1910	9
1911	43
1912	22
1913	59
1914	20
1915	57
1916	226
1917	74
1918	27
1919	62
1920	172
1921	78
1922	50
1923	105
1924	142
1925	265
1926	97
1927	227
1928	133
1929	417
1930	401
1931	272
1932	209
1933	484
1934	599
1935	874
1936	681
1937	348
1938	133
1939	602
1940	498
1941	576
1942	339
1943	208
1944	299
1945	547
1946	282
1947	754
1948	292
1949	481
1950	400
1951	581
1952	602
1953	615
1954	372
1955	457
1956	324
1957	885
1958	345
1959	524
1960	393
1961	523
1962	203
1963	909
1964	294
1965	433
1966	362
1967	316
1968	300
1969	966
1970	714
1971	626
1972	780
1973	569
1974	910
1975	742
1976	1,194
1977	624
1978	678
1979	1,826
1980	547
1981	943
1982	979
1983	712
1984	1,798
1985	797
1986	1,049
1987	944
1988	999
1989	1,353
1990	1,042
1991	718
1992	1,151
1993	654
1994	631
1995	1,399
1996	1,743
1997	1,072
1998	853
1999	721
2000	1,070
2001	774
2002	1,419
2003	2,006
2004	1,371
2005	1,090
2006	1,296
2007	1,060
2008	846
2009	826
2010	723
2011	691
2012	914
2013	845
2014	603
2015	600
2016	652
2017	720
2018	488
2019	589
2020	1,664
2021	412
2022	955
2023	567
2024	911
2025	566

Download the Data

Data for records on 1939-10-22: 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	469
25 to 50	29
50 to 75	6
75 to 100	4
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1