Weather Records on 10 July 1939

327 weather records were set or tied worldwide on 10 July 1939. Highest significance: Mahim, IN.

Key Facts for 10 July 1939

On 10 July 1939, 327 weather records were set or tied at long-record stations worldwide.
169 were record highs and 32 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 9 monthly and 312 daily.
Mahim set a daily record precipitation of 308.4 mm (12.1 in) on 10 July 1939.
Across 173 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

327 stations

327 station records on 10 July 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 July 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mahim	India	Record daily precipitation	308.4 mm (12.1 in)	47 of 100 (Notable)
Streaky Bay	Australia	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Pleasantville 1 N	United States	Record daily precipitation	99.1 mm (3.9 in)	46 of 100 (Notable)
Bhandar	India	Record daily precipitation	106.7 mm (4.2 in)	45 of 100 (Notable)
Penong (Penalumba)	Australia	Record daily precipitation	39.9 mm (1.6 in)	40 of 100 (Notable)
Bolivar Wtr Wks	United States	Record daily precipitation	104.6 mm (4.1 in)	39 of 100 (Notable)
Denial Bay (Nadia)	Australia	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Crystal Springs Exp STN	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Glen Boree	Australia	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Ft Bidwell	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Hallettsville 2 N	United States	Record high minimum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Montello 2NE	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Simcoe	Canada	Record low maximum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Beeville 5 NE	United States	Record high minimum temperature	27.2 C (81.0 F)	29 of 100 (Routine)
Penong	Australia	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high minimum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Douglas Smelter	United States	Record high minimum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Fowlers Bay	Australia	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Pearlington	United States	Record daily precipitation	72.9 mm (2.9 in)	26 of 100 (Routine)
Holly Springs 2 N	United States	Record daily precipitation	73.9 mm (2.9 in)	25 of 100 (Routine)
Moab	United States	Record high minimum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	9.8 C (49.6 F)	24 of 100 (Routine)
Barud(Warud)	India	Record daily precipitation	47.0 mm (1.9 in)	24 of 100 (Routine)
Waynesville 1 E	United States	Record daily precipitation	40.4 mm (1.6 in)	24 of 100 (Routine)
Daryapur	India	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Magarwara	India	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Glenwood Spgs #2	United States	Record high maximum temperature	36.7 C (98.1 F)	23 of 100 (Routine)
Houma	United States	Record daily precipitation	71.6 mm (2.8 in)	23 of 100 (Routine)
Bryson City 2	United States	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	26.7 mm (1.1 in)	22 of 100 (Routine)
Pelee Island	Canada	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Mahua	India	Record daily precipitation	87.1 mm (3.4 in)	22 of 100 (Routine)
Kopargaon	India	Record daily precipitation	34.3 mm (1.4 in)	22 of 100 (Routine)
Havre Wb City	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
Wirrulla (Petina)	Australia	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Cape de Couedic	Australia	Record daily precipitation	25.9 mm (1.0 in)	21 of 100 (Routine)
Nordby (Fano)	Denmark	Record low maximum temperature	14.8 C (58.6 F)	21 of 100 (Routine)
Telluride 4WNW	United States	Record high maximum temperature	30.6 C (87.1 F)	21 of 100 (Routine)
Reserve	United States	Record low maximum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Ceduna Post Office	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Ovando	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Kamferskraal	South Africa	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Dullstroom (Sar)	South Africa	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Holter Dam	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Tyrrell Downs	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Passau-Maierhof	Germany	Record daily precipitation	13.9 mm (0.5 in)	20 of 100 (Routine)
Tower Hill	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Walsingham 1	South Africa	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Kondoolka	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Port Augusta (Nectar Brook)	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Hillston (Hunthawang)	Australia	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Bathurst	Canada	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Cobar (Double Gates)	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Nhill	Australia	Record low maximum temperature	8.6 C (47.5 F)	20 of 100 (Routine)
Shirala	India	Record daily precipitation	37.6 mm (1.5 in)	20 of 100 (Routine)
Buffelshoek	South Africa	Record daily precipitation	7.4 mm (0.29 in)	20 of 100 (Routine)
Chinook	United States	Record high maximum temperature	41.1 C (106.0 F)	20 of 100 (Routine)
Huntington	United States	Record high maximum temperature	42.2 C (108.0 F)	20 of 100 (Routine)

Counts by Type and Timescale

327 records

Records set or tied on 10 July 1939 by type: Highest daily maximum 98, Lowest daily maximum 23, Highest daily minimum 71, Lowest daily minimum 9, Heaviest daily rainfall 126.

Records on 10 July 1939 by type
Record type	Records
Highest daily maximum	98
Lowest daily maximum	23
Highest daily minimum	71
Lowest daily minimum	9
Heaviest daily rainfall	126
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 July 1939 by timescale: all-time 6, monthly 9, daily 312.

How Much Records Were Beaten By

253 broken records

Margins by which the 253 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 187.0. Ties are not counted.

Top 20 by Significance

10 July 1939

Top 20 records on 10 July 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 July 1939	Mahim, IN	daily rain	308.4 mm (12.1 in)	187.0 mm (7.4 in)	14 years	47 of 100 (Notable)
10 July 1939	Streaky Bay, AU	monthly rain	38.9 mm (1.5 in)	7.9 mm (0.31 in)	47 years	46 of 100 (Notable)
10 July 1939	Pleasantville 1 N, US	daily rain	99.1 mm (3.9 in)	67.1 mm (2.6 in)	8 years	46 of 100 (Notable)
10 July 1939	Bhandar, IN	daily rain	106.7 mm (4.2 in)	94.0 mm (3.7 in)	9 years	45 of 100 (Notable)
10 July 1939	Penong (Penalumba), AU	daily rain	39.9 mm (1.6 in)	20.6 mm (0.8 in)	8 years	40 of 100 (Notable)
10 July 1939	Bolivar Wtr Wks, US	monthly rain	104.6 mm (4.1 in)	26.6 mm (1.0 in)	22 years	39 of 100 (Notable)
10 July 1939	Denial Bay (Nadia), AU	daily rain	27.9 mm (1.1 in)	14.7 mm (0.6 in)	13 years	36 of 100 (Notable)
10 July 1939	Crystal Springs Exp STN, US	daily rain	50.8 mm (2.0 in)	33.0 mm (1.3 in)	26 years	34 of 100 (Routine)
10 July 1939	Glen Boree, AU	monthly rain	36.3 mm (1.4 in)	6.1 mm (0.24 in)	22 years	32 of 100 (Routine)
10 July 1939	Ft Bidwell, US	daily high min	20.0 C (68.0 F)	2.2 C (4.0 F)	64 years	32 of 100 (Routine)
10 July 1939	Hallettsville 2 N, US	all-time high min	29.4 C (84.9 F)	1.1 C (2.0 F)	5 years	31 of 100 (Routine)
10 July 1939	Montello 2NE, US	all-time high min	25.0 C (77.0 F)	2.2 C (4.0 F)	7 years	30 of 100 (Routine)
10 July 1939	Simcoe, CA	daily low max	21.1 C (70.0 F)	0.6 C (1.1 F)	71 years	29 of 100 (Routine)
10 July 1939	Beeville 5 NE, US	monthly high min	27.2 C (81.0 F)	1.1 C (2.0 F)	30 years	29 of 100 (Routine)
10 July 1939	Penong, AU	daily rain	25.4 mm (1.0 in)	10.9 mm (0.4 in)	13 years	28 of 100 (Routine)
10 July 1939	Scottsbluff W B Heilig Fld AP, US	monthly high min	23.3 C (73.9 F)	0.5 C (0.9 F)	45 years	28 of 100 (Routine)
10 July 1939	Douglas Smelter, US	all-time high min	26.7 C (80.1 F)	0.6 C (1.1 F)	8 years	27 of 100 (Routine)
10 July 1939	Fowlers Bay, AU	monthly rain	36.1 mm (1.4 in)	2.1 mm (0.08 in)	22 years	26 of 100 (Routine)
10 July 1939	Glenwood Spgs #2, US	all-time high min	20.0 C (68.0 F)	0.6 C (1.1 F)	4 years	26 of 100 (Routine)
10 July 1939	Pearlington, US	daily rain	72.9 mm (2.9 in)	27.9 mm (1.1 in)	29 years	26 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

1793 to 1939

Records set or tied on this calendar date in each year from 1793 to 1939. 1939 had 327 records.

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

Records on 07-10 in each year
Year	Records
1793	2
1805	1
1815	2
1826	1
1829	1
1835	1
1837	1
1839	1
1843	3
1845	1
1847	2
1849	1
1850	1
1851	1
1853	1
1856	1
1857	1
1859	1
1861	1
1864	1
1865	1
1866	1
1870	2
1871	2
1872	1
1874	4
1875	2
1876	3
1877	1
1878	1
1879	2
1880	2
1882	2
1884	1
1886	5
1887	1
1888	3
1889	2
1890	3
1891	4
1893	1
1894	3
1895	1
1896	5
1897	6
1898	4
1899	10
1900	4
1901	6
1902	12
1903	16
1904	25
1905	40
1906	4
1907	5
1908	7
1909	15
1910	25
1911	58
1912	29
1913	38
1914	48
1915	20
1916	56
1917	51
1918	36
1919	23
1920	29
1921	81
1922	67
1923	113
1924	66
1925	257
1926	321
1927	95
1928	102
1929	175
1930	540
1931	292
1932	355
1933	570
1934	327
1935	306
1936	1,338
1937	304
1938	151
1939	327
1940	398
1941	432
1942	628
1943	283
1944	478
1945	729
1946	467
1947	537
1948	367
1949	392
1950	680
1951	551
1952	814
1953	529
1954	684
1955	497
1956	434
1957	514
1958	402
1959	512
1960	451
1961	688
1962	456
1963	950
1964	368
1965	357
1966	512
1967	341
1968	598
1969	518
1970	464
1971	568
1972	447
1973	528
1974	871
1975	712
1976	724
1977	486
1978	1,076
1979	686
1980	1,113
1981	811
1982	602
1983	1,184
1984	962
1985	657
1986	686
1987	862
1988	1,024
1989	869
1990	820
1991	890
1992	864
1993	1,088
1994	864
1995	1,096
1996	1,604
1997	846
1998	1,259
1999	964
2000	889
2001	992
2002	1,336
2003	981
2004	621
2005	1,077
2006	920
2007	954
2008	874
2009	951
2010	1,509
2011	1,102
2012	1,015
2013	545
2014	660
2015	1,025
2016	859
2017	547
2018	554
2019	529
2020	775
2021	1,081
2022	691
2023	837
2024	1,576
2025	704
2026	472

Download the Data

Data for records on 1939-07-10: 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	244
25 to 50	6
50 to 75	1
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1