Weather Records on 30 October 1939

240 weather records were set or tied worldwide on 30 October 1939. Highest significance: Bapatla, IN.

Key Facts for 30 October 1939

On 30 October 1939, 240 weather records were set or tied at long-record stations worldwide.
96 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 8 monthly and 228 daily.
Bapatla set a daily record precipitation of 174.2 mm (6.9 in) on 30 October 1939.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 492 records.

Record Map

240 stations

240 station records on 30 October 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bapatla	India	Record daily precipitation	174.2 mm (6.9 in)	48 of 100 (Notable)
Pendraka	India	Record daily precipitation	182.9 mm (7.2 in)	45 of 100 (Notable)
Narsapur	India	Record daily precipitation	264.2 mm (10.4 in)	44 of 100 (Notable)
Girona (Antic Institut)	Spain	Record daily precipitation	52.7 mm (2.1 in)	41 of 100 (Notable)
Rapalle	India	Record daily precipitation	229.9 mm (9.1 in)	38 of 100 (Notable)
Altastenberg	Germany	Record snow depth	25.0 cm (9.8 in)	37 of 100 (Notable)
Ponnur(Ponnuru)	India	Record daily precipitation	195.6 mm (7.7 in)	37 of 100 (Notable)
Bhimavaram	India	Record daily precipitation	262.9 mm (10.4 in)	36 of 100 (Notable)
Kovvur	India	Record daily precipitation	158.8 mm (6.3 in)	35 of 100 (Notable)
Vijayawada	India	Record daily precipitation	142.7 mm (5.6 in)	32 of 100 (Routine)
Pithapuram	India	Record daily precipitation	189.7 mm (7.5 in)	31 of 100 (Routine)
Avanigadda	India	Record daily precipitation	327.7 mm (12.9 in)	31 of 100 (Routine)
Manginapudi	India	Record daily precipitation	211.6 mm (8.3 in)	31 of 100 (Routine)
Guntur	India	Record daily precipitation	106.7 mm (4.2 in)	30 of 100 (Routine)
Mangalgiri	India	Record daily precipitation	144.8 mm (5.7 in)	30 of 100 (Routine)
Emerald Post Office	Australia	Record low maximum temperature	22.8 C (73.0 F)	29 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	15.5 C (59.9 F)	29 of 100 (Routine)
Ellore	India	Record daily precipitation	146.1 mm (5.8 in)	29 of 100 (Routine)
Wilkie	Australia	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)
Machilipatnam	India	Record daily precipitation	252.7 mm (9.9 in)	27 of 100 (Routine)
Newport	United States	Record high minimum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Omalur	India	Record daily precipitation	107.2 mm (4.2 in)	26 of 100 (Routine)
Avon Park 2 W	United States	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)
Prathipadu	India	Record daily precipitation	165.1 mm (6.5 in)	25 of 100 (Routine)
Tenali	India	Record daily precipitation	169.4 mm (6.7 in)	25 of 100 (Routine)
Owk	India	Record daily precipitation	48.5 mm (1.9 in)	25 of 100 (Routine)
Wandering Comparison	Australia	Record daily precipitation	42.7 mm (1.7 in)	22 of 100 (Routine)
Lisboa Geofisica	Portugal	Record low maximum temperature	12.6 C (54.7 F)	22 of 100 (Routine)
Oakland	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Tiruvur(Tiruvvru)	India	Record daily precipitation	76.7 mm (3.0 in)	21 of 100 (Routine)
Groton	United States	Record daily precipitation	26.7 mm (1.1 in)	21 of 100 (Routine)
McKinley	United States	Record high maximum temperature	25.6 C (78.1 F)	21 of 100 (Routine)
Yuma Wb City	United States	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Denham	Australia	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Katanning Comparison	Australia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Crowlands (Woodlands)	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Mount Moriac	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Schreiber	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Boyning	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Goroke (Rose Banks)	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Arad	Romania	Record daily precipitation	17.4 mm (0.7 in)	20 of 100 (Routine)
Mackinaw City 2	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Stamford Station	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Kislovodsk	Russia	Record daily precipitation	0.7 mm (0.03 in)	20 of 100 (Routine)
Beringarra	Australia	Record daily precipitation	1.0 mm (0.04 in)	20 of 100 (Routine)
Higginsville	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Sellheim	Australia	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Tanuku	India	Record daily precipitation	167.9 mm (6.6 in)	20 of 100 (Routine)
Estacada 2 SE	United States	Record high maximum temperature	25.0 C (77.0 F)	20 of 100 (Routine)
Nannine	Australia	Record daily precipitation	1.8 mm (0.07 in)	19 of 100 (Routine)
Gayndah Post Office	Australia	Record low maximum temperature	23.9 C (75.0 F)	19 of 100 (Routine)
Langmorn	Australia	Record daily precipitation	9.4 mm (0.37 in)	19 of 100 (Routine)
Brisbane Regional Office	Australia	Record low maximum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	17.8 C (64.0 F)	19 of 100 (Routine)
Cumbam	India	Record daily precipitation	64.5 mm (2.5 in)	19 of 100 (Routine)
Arcadia	United States	Record daily precipitation	30.0 mm (1.2 in)	19 of 100 (Routine)
New Bedford Coop	United States	Record daily precipitation	23.4 mm (0.9 in)	19 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record daily snowfall	0.8 cm (0.3 in)	19 of 100 (Routine)
Willard 4 SW	United States	Record daily precipitation	50.0 mm (2.0 in)	19 of 100 (Routine)

Counts by Type and Timescale

240 records

Records set or tied on 30 October 1939 by type: Highest daily maximum 73, Lowest daily maximum 11, Highest daily minimum 23, Lowest daily minimum 24, Heaviest daily rainfall 100, Heaviest daily snowfall 8, Deepest snow cover 1.

Records on 30 October 1939 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	11
Highest daily minimum	23
Lowest daily minimum	24
Heaviest daily rainfall	100
Heaviest daily snowfall	8
Deepest snow cover	1

Records on 30 October 1939 by timescale: all-time 4, monthly 8, daily 228.

How Much Records Were Beaten By

196 broken records

Margins by which the 196 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 170.0. Ties are not counted.

Top 20 by Significance

30 October 1939

Top 20 records on 30 October 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1939	Bapatla, IN	daily rain	174.2 mm (6.9 in)	90.4 mm (3.6 in)	22 years	48 of 100 (Notable)
30 October 1939	Pendraka, IN	daily rain	182.9 mm (7.2 in)	85.1 mm (3.4 in)	36 years	45 of 100 (Notable)
30 October 1939	Narsapur, IN	all-time rain	264.2 mm (10.4 in)	51.6 mm (2.0 in)	15 years	44 of 100 (Notable)
30 October 1939	Girona (Antic Institut), ES	daily rain	52.7 mm (2.1 in)	42.3 mm (1.7 in)	24 years	41 of 100 (Notable)
30 October 1939	Rapalle, IN	all-time rain	229.9 mm (9.1 in)	11.5 mm (0.5 in)	36 years	38 of 100 (Notable)
30 October 1939	Altastenberg, DE	daily snow depth	25.0 cm (9.8 in)	17.0 cm (6.7 in)	5 years	37 of 100 (Notable)
30 October 1939	Ponnur(Ponnuru), IN	monthly rain	195.6 mm (7.7 in)	31.8 mm (1.3 in)	37 years	37 of 100 (Notable)
30 October 1939	Bhimavaram, IN	all-time rain	262.9 mm (10.4 in)	31.5 mm (1.2 in)	0 years	36 of 100 (Notable)
30 October 1939	Kovvur, IN	daily rain	158.8 mm (6.3 in)	43.2 mm (1.7 in)	36 years	35 of 100 (Notable)
30 October 1939	Vijayawada, IN	monthly rain	142.7 mm (5.6 in)	25.9 mm (1.0 in)	23 years	32 of 100 (Routine)
30 October 1939	Pithapuram, IN	daily rain	189.7 mm (7.5 in)	75.1 mm (3.0 in)	8 years	31 of 100 (Routine)
30 October 1939	Avanigadda, IN	all-time rain	327.7 mm (12.9 in)	22.9 mm (0.9 in)	8 years	31 of 100 (Routine)
30 October 1939	Manginapudi, IN	daily rain	211.6 mm (8.3 in)	53.1 mm (2.1 in)	36 years	31 of 100 (Routine)
30 October 1939	Guntur, IN	daily rain	106.7 mm (4.2 in)	34.1 mm (1.3 in)	36 years	30 of 100 (Routine)
30 October 1939	Mangalgiri, IN	daily rain	144.8 mm (5.7 in)	34.3 mm (1.4 in)	36 years	30 of 100 (Routine)
30 October 1939	Emerald Post Office, AU	daily low max	22.8 C (73.0 F)	5.0 C (9.0 F)	39 years	29 of 100 (Routine)
30 October 1939	Hobart (Ellerslie Road), AU	daily high min	15.5 C (59.9 F)	3.3 C (5.9 F)	43 years	29 of 100 (Routine)
30 October 1939	Ellore, IN	daily rain	146.1 mm (5.8 in)	48.8 mm (1.9 in)	22 years	29 of 100 (Routine)
30 October 1939	Wilkie, AU	daily rain	34.5 mm (1.4 in)	18.2 mm (0.7 in)	16 years	28 of 100 (Routine)
30 October 1939	Machilipatnam, IN	monthly rain	252.7 mm (9.9 in)	11.4 mm (0.4 in)	37 years	27 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

1799 to 1939

Records set or tied on this calendar date in each year from 1799 to 1939. 1939 had 240 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1939-10-30: 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	175
25 to 50	14
50 to 75	3
75 to 100	3
100 to 125	0
125 to 150	0
150 to 175	1