Weather Records on 27 July 1940

632 weather records were set or tied worldwide on 27 July 1940. Highest significance: Ritzville 1 SSE, US.

Key Facts for 27 July 1940

On 27 July 1940, 632 weather records were set or tied at long-record stations worldwide.
306 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 14 monthly and 610 daily.
Ritzville 1 SSE set a monthly record daily precipitation of 27.4 mm (1.1 in) on 27 July 1940.
Across 162 earlier years (1805 to 2026) the same calendar date averaged 452 records.

Record Map

632 stations

632 station records on 27 July 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 July 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ritzville 1 SSE	United States	Record daily precipitation	27.4 mm (1.1 in)	65 of 100 (Major)
Odessa	United States	Record daily precipitation	50.5 mm (2.0 in)	63 of 100 (Major)
Prairie du Chien	United States	Record daily precipitation	164.1 mm (6.5 in)	57 of 100 (Notable)
Goldbutte 7 N	United States	Record daily precipitation	44.2 mm (1.7 in)	52 of 100 (Notable)
Three Springs	Australia	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Mullewa	Australia	Record daily precipitation	32.8 mm (1.3 in)	49 of 100 (Notable)
Miles City	United States	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Wooramel	Australia	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Baramati	India	Record daily precipitation	41.7 mm (1.6 in)	44 of 100 (Notable)
Wani	India	Record daily precipitation	116.8 mm (4.6 in)	44 of 100 (Notable)
Naraling	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Yuna	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Stockport	United States	Record daily precipitation	77.7 mm (3.1 in)	43 of 100 (Notable)
Mellenbye	Australia	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Strawberry North	Australia	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Warsaw	United States	Record daily precipitation	57.4 mm (2.3 in)	40 of 100 (Notable)
Busby	United States	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Mount Wittenoom	Australia	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Tallering	Australia	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Moncure 3 SE	United States	Record high maximum temperature	42.2 C (108.0 F)	38 of 100 (Notable)
Ninghan Station	Australia	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Alma	United States	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Mingenew	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Kleve	Germany	Record daily precipitation	37.2 mm (1.5 in)	35 of 100 (Notable)
World Trade Ctr	United States	Record high maximum temperature	37.2 C (99.0 F)	35 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Nabawa	Australia	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)
Bowgada	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Trenton	United States	Record daily precipitation	63.8 mm (2.5 in)	33 of 100 (Routine)
Orleans 2 W	United States	Record daily precipitation	49.8 mm (2.0 in)	33 of 100 (Routine)
Diamond Springs	United States	Record high maximum temperature	40.6 C (105.1 F)	32 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	45.0 mm (1.8 in)	31 of 100 (Routine)
Mott	United States	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Colebrook	United States	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Manfred	Australia	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
Ron	India	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Hettinger	United States	Record daily precipitation	40.1 mm (1.6 in)	30 of 100 (Routine)
Badnagar	India	Record daily precipitation	88.9 mm (3.5 in)	29 of 100 (Routine)
Gallatin 1W	United States	Record daily precipitation	55.9 mm (2.2 in)	29 of 100 (Routine)
Ekalaka	United States	Record daily precipitation	39.9 mm (1.6 in)	29 of 100 (Routine)
Montpelier	United States	Record daily precipitation	43.7 mm (1.7 in)	29 of 100 (Routine)
Kurud	India	Record daily precipitation	110.7 mm (4.4 in)	28 of 100 (Routine)
Galva	United States	Record daily precipitation	55.1 mm (2.2 in)	28 of 100 (Routine)
Columbia Falls 5 SW	United States	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Nebraska City 1 NW	United States	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Harrisburg - Coop	United States	Record high maximum temperature	37.8 C (100.0 F)	28 of 100 (Routine)
Brockton	United States	Record high maximum temperature	36.7 C (98.1 F)	27 of 100 (Routine)
Morenci	United States	Record daily precipitation	57.7 mm (2.3 in)	27 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Louisburg	United States	Record high maximum temperature	41.7 C (107.1 F)	27 of 100 (Routine)
Raleigh State UNIV	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Lake Arthur 7 SW	United States	Record high minimum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Napoleon	United States	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Chaplin	Canada	Record daily precipitation	25.1 mm (1.0 in)	25 of 100 (Routine)
Ottumwa 1 WSW	United States	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Syracuse	United States	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Rosalia	United States	Record low maximum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Murgoo	Australia	Record daily precipitation	30.0 mm (1.2 in)	24 of 100 (Routine)
Medicine Hat A	Canada	Record low maximum temperature	14.4 C (57.9 F)	24 of 100 (Routine)
Lowestoft	United Kingdom	Record daily precipitation	29.3 mm (1.2 in)	24 of 100 (Routine)

Counts by Type and Timescale

632 records

Records set or tied on 27 July 1940 by type: Highest daily maximum 167, Lowest daily maximum 62, Highest daily minimum 139, Lowest daily minimum 16, Heaviest daily rainfall 248.

Records on 27 July 1940 by type
Record type	Records
Highest daily maximum	167
Lowest daily maximum	62
Highest daily minimum	139
Lowest daily minimum	16
Heaviest daily rainfall	248
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 July 1940 by timescale: all-time 8, monthly 14, daily 610.

How Much Records Were Beaten By

500 broken records

Margins by which the 500 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 72.9. Ties are not counted.

Top 20 by Significance

27 July 1940

Top 20 records on 27 July 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 July 1940	Ritzville 1 SSE, US	monthly rain	27.4 mm (1.1 in)	16.0 mm (0.6 in)	37 years	65 of 100 (Major)
27 July 1940	Odessa, US	monthly rain	50.5 mm (2.0 in)	25.1 mm (1.0 in)	36 years	63 of 100 (Major)
27 July 1940	Prairie du Chien, US	all-time rain	164.1 mm (6.5 in)	43.7 mm (1.7 in)	11 years	57 of 100 (Notable)
27 July 1940	Goldbutte 7 N, US	daily rain	44.2 mm (1.7 in)	30.2 mm (1.2 in)	31 years	52 of 100 (Notable)
27 July 1940	Three Springs, AU	daily rain	33.0 mm (1.3 in)	27.4 mm (1.1 in)	26 years	50 of 100 (Notable)
27 July 1940	Mullewa, AU	daily rain	32.8 mm (1.3 in)	23.7 mm (0.9 in)	26 years	49 of 100 (Notable)
27 July 1940	Miles City, US	daily rain	26.9 mm (1.1 in)	21.6 mm (0.9 in)	40 years	46 of 100 (Notable)
27 July 1940	Wooramel, AU	daily rain	38.4 mm (1.5 in)	27.0 mm (1.1 in)	13 years	44 of 100 (Notable)
27 July 1940	Baramati, IN	daily rain	41.7 mm (1.6 in)	31.3 mm (1.2 in)	30 years	44 of 100 (Notable)
27 July 1940	Wani, IN	daily rain	116.8 mm (4.6 in)	72.9 mm (2.9 in)	33 years	44 of 100 (Notable)
27 July 1940	Naraling, AU	daily rain	33.0 mm (1.3 in)	23.1 mm (0.9 in)	23 years	43 of 100 (Notable)
27 July 1940	Yuna, AU	daily rain	31.0 mm (1.2 in)	22.4 mm (0.9 in)	13 years	43 of 100 (Notable)
27 July 1940	Stockport, US	daily rain	77.7 mm (3.1 in)	53.3 mm (2.1 in)	32 years	43 of 100 (Notable)
27 July 1940	Mellenbye, AU	daily rain	26.7 mm (1.1 in)	16.8 mm (0.7 in)	25 years	42 of 100 (Notable)
27 July 1940	Strawberry North, AU	daily rain	35.6 mm (1.4 in)	27.0 mm (1.1 in)	13 years	41 of 100 (Notable)
27 July 1940	Warsaw, US	daily rain	57.4 mm (2.3 in)	42.9 mm (1.7 in)	15 years	40 of 100 (Notable)
27 July 1940	Busby, US	daily rain	26.4 mm (1.0 in)	23.9 mm (0.9 in)	12 years	39 of 100 (Notable)
27 July 1940	Mount Wittenoom, AU	daily rain	39.6 mm (1.6 in)	19.3 mm (0.8 in)	13 years	38 of 100 (Notable)
27 July 1940	Tallering, AU	daily rain	25.4 mm (1.0 in)	15.7 mm (0.6 in)	13 years	38 of 100 (Notable)
27 July 1940	Moncure 3 SE, US	all-time high max	42.2 C (108.0 F)	1.1 C (2.0 F)	38 years	38 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

1805 to 1940

Records set or tied on this calendar date in each year from 1805 to 1940. 1940 had 632 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 1940-07-27: 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 10	411
10 to 20	59
20 to 30	17
30 to 40	7
40 to 50	4
50 to 60	1
60 to 70	0
70 to 80	1