Weather Records on 27 July 1939

284 weather records were set or tied worldwide on 27 July 1939. Highest significance: Dumka, IN.

Key Facts for 27 July 1939

On 27 July 1939, 284 weather records were set or tied at long-record stations worldwide.
169 were record highs and 22 were record lows, counting maximum and minimum temperature.
By timescale, 16 were all-time records, 7 monthly and 261 daily.
Dumka set a daily record precipitation of 138.4 mm (5.4 in) on 27 July 1939.
Across 162 earlier years (1805 to 2026) the same calendar date averaged 454 records.

Record Map

284 stations

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

Weather records on 27 July 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dumka	India	Record daily precipitation	138.4 mm (5.4 in)	45 of 100 (Notable)
Greensburg 3 SE Unity	United States	Record daily precipitation	54.4 mm (2.1 in)	42 of 100 (Notable)
Sunnyside	United States	Record high maximum temperature	44.4 C (111.9 F)	41 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily precipitation	58.4 mm (2.3 in)	40 of 100 (Notable)
Sagunbari	India	Record daily precipitation	110.7 mm (4.4 in)	39 of 100 (Notable)
Warren 2 ENE	United States	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Portland Rfc City	United States	Record high minimum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Minsk	Belarus	Record daily precipitation	57.3 mm (2.3 in)	35 of 100 (Notable)
Albany	United States	Record daily precipitation	73.7 mm (2.9 in)	35 of 100 (Notable)
Umatilla	United States	Record high maximum temperature	47.2 C (117.0 F)	35 of 100 (Notable)
Mottinger	United States	Record high maximum temperature	46.1 C (115.0 F)	35 of 100 (Notable)
Amarpara	India	Record daily precipitation	152.4 mm (6.0 in)	34 of 100 (Routine)
Colfax	United States	Record high maximum temperature	43.3 C (109.9 F)	34 of 100 (Routine)
Clinton Forestry HQ	United States	Record daily precipitation	73.7 mm (2.9 in)	32 of 100 (Routine)
Lake Kachess	United States	Record high maximum temperature	39.4 C (102.9 F)	32 of 100 (Routine)
Americus	United States	Record daily precipitation	45.2 mm (1.8 in)	31 of 100 (Routine)
Mt Carmel	United States	Record daily precipitation	46.5 mm (1.8 in)	30 of 100 (Routine)
Vermillion 2 SE	United States	Record daily precipitation	32.5 mm (1.3 in)	30 of 100 (Routine)
Centralia	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Kamloops	Canada	Record high maximum temperature	41.7 C (107.1 F)	29 of 100 (Routine)
Balurghat	India	Record daily precipitation	160.0 mm (6.3 in)	29 of 100 (Routine)
State Sanatorium	United States	Record daily precipitation	92.5 mm (3.6 in)	29 of 100 (Routine)
Lewers Rch	United States	Record daily precipitation	45.7 mm (1.8 in)	29 of 100 (Routine)
The Dalles	United States	Record high maximum temperature	43.9 C (111.0 F)	29 of 100 (Routine)
Mariyna Gorka	Belarus	Record daily precipitation	27.8 mm (1.1 in)	28 of 100 (Routine)
Junsele	Sweden	Record daily precipitation	28.0 mm (1.1 in)	28 of 100 (Routine)
Hermiston 1 SE	United States	Record high maximum temperature	44.4 C (111.9 F)	28 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record high minimum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Wallace	United States	Record high maximum temperature	41.7 C (107.1 F)	26 of 100 (Routine)
Paraiyahat	India	Record daily precipitation	85.1 mm (3.4 in)	25 of 100 (Routine)
Manassa	United States	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
Dulce	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Eugene	United States	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Acmetonia Lock 3	United States	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Vancouver 4 NNE	United States	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Mt Carmel 4 NW	United States	Record daily precipitation	46.5 mm (1.8 in)	22 of 100 (Routine)
Hammond	United States	Record daily precipitation	53.8 mm (2.1 in)	22 of 100 (Routine)
Estacada 2 SE	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Eugene	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	18.3 C (64.9 F)	22 of 100 (Routine)
Seattle UNIV of Washin	United States	Record high minimum temperature	17.2 C (63.0 F)	21 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Seattle Urban Site	United States	Record high minimum temperature	16.7 C (62.1 F)	21 of 100 (Routine)
Needles	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Quanbun Downs	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Skardu	Pakistan	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Golconda	United States	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Moorarie	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Ballina (Crowley Village)	Australia	Record daily precipitation	44.5 mm (1.8 in)	20 of 100 (Routine)
Payson Rs	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Avon Park 2 W	United States	Record high maximum temperature	37.2 C (99.0 F)	20 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	71.6 mm (2.8 in)	20 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high minimum temperature	17.2 C (63.0 F)	20 of 100 (Routine)
Gettysburg	United States	Record daily precipitation	41.1 mm (1.6 in)	20 of 100 (Routine)
Loretto	United States	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Seattle Urban Site	United States	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)

Counts by Type and Timescale

284 records

Records set or tied on 27 July 1939 by type: Highest daily maximum 101, Lowest daily maximum 10, Highest daily minimum 68, Lowest daily minimum 12, Heaviest daily rainfall 93.

Records on 27 July 1939 by type
Record type	Records
Highest daily maximum	101
Lowest daily maximum	10
Highest daily minimum	68
Lowest daily minimum	12
Heaviest daily rainfall	93
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 July 1939 by timescale: all-time 16, monthly 7, daily 261.

How Much Records Were Beaten By

212 broken records

Margins by which the 212 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.6. Ties are not counted.

Top 20 by Significance

27 July 1939

Top 20 records on 27 July 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 July 1939	Dumka, IN	daily rain	138.4 mm (5.4 in)	85.6 mm (3.4 in)	8 years	45 of 100 (Notable)
27 July 1939	Greensburg 3 SE Unity, US	daily rain	54.4 mm (2.1 in)	40.2 mm (1.6 in)	6 years	42 of 100 (Notable)
27 July 1939	Sunnyside, US	all-time high max	44.4 C (111.9 F)	2.2 C (4.0 F)	40 years	41 of 100 (Notable)
27 July 1939	Ithaca Cornell UNIV, US	daily rain	58.4 mm (2.3 in)	37.6 mm (1.5 in)	4 years	40 of 100 (Notable)
27 July 1939	Sagunbari, IN	daily rain	110.7 mm (4.4 in)	49.7 mm (2.0 in)	28 years	39 of 100 (Notable)
27 July 1939	Warren 2 ENE, US	daily rain	49.5 mm (1.9 in)	41.9 mm (1.6 in)	18 years	38 of 100 (Notable)
27 July 1939	Missoula 6 NW WFO, US	all-time high min	22.2 C (72.0 F)	0.5 C (0.9 F)	41 years	37 of 100 (Notable)
27 July 1939	Portland Rfc City, US	daily high min	21.1 C (70.0 F)	3.3 C (5.9 F)	55 years	36 of 100 (Notable)
27 July 1939	Minsk, BY	monthly rain	57.3 mm (2.3 in)	13.4 mm (0.5 in)	5 years	35 of 100 (Notable)
27 July 1939	Albany, US	daily rain	73.7 mm (2.9 in)	33.8 mm (1.3 in)	6 years	35 of 100 (Notable)
27 July 1939	Umatilla, US	all-time high max	47.2 C (117.0 F)	1.1 C (2.0 F)	34 years	35 of 100 (Notable)
27 July 1939	Mottinger, US	all-time high max	46.1 C (115.0 F)	0.5 C (0.9 F)	34 years	35 of 100 (Notable)
27 July 1939	Amarpara, IN	monthly rain	152.4 mm (6.0 in)	30.5 mm (1.2 in)	20 years	34 of 100 (Routine)
27 July 1939	Colfax, US	all-time high max	43.3 C (109.9 F)	1.6 C (2.9 F)	25 years	34 of 100 (Routine)
27 July 1939	Clinton Forestry HQ, US	daily rain	73.7 mm (2.9 in)	36.9 mm (1.5 in)	21 years	32 of 100 (Routine)
27 July 1939	Lake Kachess, US	all-time high max	39.4 C (102.9 F)	0.5 C (0.9 F)	30 years	32 of 100 (Routine)
27 July 1939	Americus, US	daily rain	45.2 mm (1.8 in)	30.0 mm (1.2 in)	12 years	31 of 100 (Routine)
27 July 1939	Mt Carmel, US	daily rain	46.5 mm (1.8 in)	18.6 mm (0.7 in)	43 years	30 of 100 (Routine)
27 July 1939	Vermillion 2 SE, US	daily rain	32.5 mm (1.3 in)	24.9 mm (1.0 in)	26 years	30 of 100 (Routine)
27 July 1939	Centralia, US	daily high min	20.6 C (69.1 F)	5.6 C (10.1 F)	24 years	30 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

1805 to 1939

Records set or tied on this calendar date in each year from 1805 to 1939. 1939 had 284 records.

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

Records on 07-27 in each year
Year	Records
1805	1
1815	2
1820	1
1832	2
1847	1
1852	1
1856	2
1857	2
1862	1
1863	1
1867	2
1868	4
1870	1
1871	1
1872	2
1873	1
1875	1
1876	2
1877	2
1881	2
1882	1
1883	5
1884	2
1886	1
1887	3
1888	3
1889	4
1890	5
1891	1
1893	2
1894	1
1895	2
1896	1
1897	5
1898	2
1899	4
1900	5
1901	11
1902	4
1903	13
1904	13
1905	7
1906	16
1907	14
1908	17
1909	18
1910	7
1911	51
1912	89
1913	43
1914	44
1915	31
1916	143
1917	46
1918	103
1919	86
1920	67
1921	123
1922	95
1923	142
1924	71
1925	234
1926	131
1927	69
1928	222
1929	177
1930	786
1931	429
1932	172
1933	414
1934	471
1935	289
1936	971
1937	407
1938	287
1939	284
1940	632
1941	457
1942	258
1943	326
1944	398
1945	337
1946	680
1947	389
1948	485
1949	418
1950	797
1951	207
1952	476
1953	248
1954	294
1955	521
1956	325
1957	372
1958	491
1959	395
1960	385
1961	277
1962	1,009
1963	584
1964	335
1965	434
1966	594
1967	559
1968	391
1969	588
1970	379
1971	1,083
1972	790
1973	751
1974	403
1975	588
1976	426
1977	878
1978	583
1979	749
1980	760
1981	1,233
1982	584
1983	1,455
1984	1,613
1985	571
1986	836
1987	1,108
1988	936
1989	1,103
1990	846
1991	763
1992	791
1993	1,317
1994	1,851
1995	1,192
1996	950
1997	1,173
1998	1,363
1999	820
2000	1,019
2001	1,265
2002	816
2003	1,064
2004	1,552
2005	1,743
2006	1,321
2007	904
2008	784
2009	829
2010	1,330
2011	1,007
2012	823
2013	1,110
2014	591
2015	744
2016	564
2017	460
2018	737
2019	597
2020	842
2021	1,131
2022	855
2023	826
2024	646
2025	853
2026	1,170

Download the Data

Data for records on 1939-07-27: 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	197
20 to 40	11
40 to 60	3
60 to 80	0
80 to 100	1