Weather Records on 31 July 1927

161 weather records were set or tied worldwide on 31 July 1927. Highest significance: Shelbyville 1 E, US.

Key Facts for 31 July 1927

On 31 July 1927, 161 weather records were set or tied at long-record stations worldwide.
25 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 1 monthly and 159 daily.
Shelbyville 1 E set a daily record precipitation of 94.0 mm (3.7 in) on 31 July 1927.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 473 records.

Record Map

161 stations

161 station records on 31 July 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shelbyville 1 E	United States	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Cornwall	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Centre Hall	United States	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Chelsea	United States	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Decatur 1 N	United States	Record daily precipitation	49.0 mm (1.9 in)	33 of 100 (Routine)
Helena	United States	Record daily precipitation	77.2 mm (3.0 in)	32 of 100 (Routine)
Waukomis	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	38.0 mm (1.5 in)	28 of 100 (Routine)
Leominster	United States	Record daily precipitation	47.2 mm (1.9 in)	28 of 100 (Routine)
Gunnison 3SW	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Keene	United States	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Plymouth	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Salisbury	United States	Record daily precipitation	45.2 mm (1.8 in)	24 of 100 (Routine)
Battleford	Canada	Record low minimum temperature	3.9 C (39.0 F)	23 of 100 (Routine)
Johnstown	United States	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Lusk 2 SW	United States	Record daily precipitation	28.7 mm (1.1 in)	23 of 100 (Routine)
Pitea	Sweden	Record high minimum temperature	16.5 C (61.7 F)	22 of 100 (Routine)
Lycippus 1 E	United States	Record daily precipitation	57.2 mm (2.3 in)	22 of 100 (Routine)
Charleville Post Office	Australia	Record high maximum temperature	29.4 C (84.9 F)	21 of 100 (Routine)
Madison	United States	Record daily precipitation	46.2 mm (1.8 in)	21 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	56.4 mm (2.2 in)	21 of 100 (Routine)
Orroroo	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Kola-In-Murman	Russia	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	6.6 mm (0.26 in)	20 of 100 (Routine)
Mt Carmel	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Carrieton (Yanyarrie)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Northfield	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Carrieton	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Fulham Park	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Bute (Ninnes)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Windsor Kings College	Canada	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Cradock	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Carrieton (Pamatta)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Birdwood	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record high minimum temperature	23.3 C (73.9 F)	20 of 100 (Routine)
Jeffersonville	United States	Record daily precipitation	35.1 mm (1.4 in)	20 of 100 (Routine)
Premer (Eden Moor)	Australia	Record daily precipitation	11.9 mm (0.5 in)	19 of 100 (Routine)
Brooksville Chin Hill	United States	Record high maximum temperature	37.8 C (100.0 F)	19 of 100 (Routine)
Angelica	United States	Record daily precipitation	25.9 mm (1.0 in)	19 of 100 (Routine)
Little Falls City Rsch	United States	Record daily precipitation	31.8 mm (1.3 in)	19 of 100 (Routine)
Runnymede Spottsville	United States	Record daily precipitation	53.6 mm (2.1 in)	19 of 100 (Routine)
Barnawartha	Australia	Record daily precipitation	13.5 mm (0.5 in)	18 of 100 (Routine)
Mykland	Norway	Record daily precipitation	27.7 mm (1.1 in)	18 of 100 (Routine)
Scott	United States	Record daily precipitation	40.6 mm (1.6 in)	18 of 100 (Routine)
Grantsville	United States	Record daily precipitation	29.2 mm (1.1 in)	18 of 100 (Routine)
Norwalk Wwtp	United States	Record daily precipitation	19.1 mm (0.8 in)	18 of 100 (Routine)
Woomera (Arcoona)	Australia	Record daily precipitation	7.6 mm (0.30 in)	17 of 100 (Routine)
Milparinka (Yandama Downs)	Australia	Record daily precipitation	6.1 mm (0.24 in)	17 of 100 (Routine)
Olney 2S	United States	Record daily precipitation	17.8 mm (0.7 in)	17 of 100 (Routine)
Mt Vernon	United States	Record daily precipitation	30.0 mm (1.2 in)	17 of 100 (Routine)
Steele 4N	United States	Record low maximum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Jackson 4 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Hamley Bridge	Australia	Record daily precipitation	8.4 mm (0.33 in)	16 of 100 (Routine)
Broken Hill (Glen Lyon)	Australia	Record daily precipitation	3.3 mm (0.13 in)	16 of 100 (Routine)
Ellerston	Australia	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Aseral	Norway	Record daily precipitation	34.9 mm (1.4 in)	16 of 100 (Routine)
Marengo	United States	Record daily precipitation	44.5 mm (1.8 in)	16 of 100 (Routine)
Turners Falls	United States	Record daily precipitation	39.9 mm (1.6 in)	16 of 100 (Routine)

Counts by Type and Timescale

161 records

Records set or tied on 31 July 1927 by type: Highest daily maximum 11, Lowest daily maximum 20, Highest daily minimum 14, Lowest daily minimum 11, Heaviest daily rainfall 105.

Records on 31 July 1927 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	20
Highest daily minimum	14
Lowest daily minimum	11
Heaviest daily rainfall	105
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1927 by timescale: all-time 1, monthly 1, daily 159.

How Much Records Were Beaten By

140 broken records

Margins by which the 140 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.8. Ties are not counted.

Top 20 by Significance

31 July 1927

Top 20 records on 31 July 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1927	Shelbyville 1 E, US	daily rain	94.0 mm (3.7 in)	65.8 mm (2.6 in)	12 years	46 of 100 (Notable)
31 July 1927	Cornwall, US	daily rain	39.4 mm (1.6 in)	24.9 mm (1.0 in)	36 years	38 of 100 (Notable)
31 July 1927	Centre Hall, US	daily rain	31.5 mm (1.2 in)	26.4 mm (1.0 in)	25 years	37 of 100 (Notable)
31 July 1927	Chelsea, US	daily rain	33.0 mm (1.3 in)	26.6 mm (1.0 in)	24 years	35 of 100 (Notable)
31 July 1927	Decatur 1 N, US	daily rain	49.0 mm (1.9 in)	27.7 mm (1.1 in)	28 years	33 of 100 (Routine)
31 July 1927	Helena, US	daily rain	77.2 mm (3.0 in)	42.7 mm (1.7 in)	1 year	32 of 100 (Routine)
31 July 1927	Waukomis, US	daily rain	38.1 mm (1.5 in)	33.0 mm (1.3 in)	28 years	30 of 100 (Routine)
31 July 1927	Risnes I Fjotland, NO	daily rain	38.0 mm (1.5 in)	18.0 mm (0.7 in)	16 years	28 of 100 (Routine)
31 July 1927	Leominster, US	daily rain	47.2 mm (1.9 in)	20.8 mm (0.8 in)	31 years	28 of 100 (Routine)
31 July 1927	Gunnison 3SW, US	monthly low max	12.8 C (55.0 F)	1.6 C (2.9 F)	25 years	25 of 100 (Routine)
31 July 1927	Keene, US	daily rain	42.4 mm (1.7 in)	22.6 mm (0.9 in)	6 years	24 of 100 (Routine)
31 July 1927	Plymouth, US	daily rain	26.7 mm (1.1 in)	12.0 mm (0.5 in)	36 years	24 of 100 (Routine)
31 July 1927	Salisbury, US	daily rain	45.2 mm (1.8 in)	23.4 mm (0.9 in)	6 years	24 of 100 (Routine)
31 July 1927	Battleford, CA	daily low min	3.9 C (39.0 F)	1.7 C (3.1 F)	46 years	23 of 100 (Routine)
31 July 1927	Johnstown, US	daily rain	35.8 mm (1.4 in)	17.3 mm (0.7 in)	6 years	23 of 100 (Routine)
31 July 1927	Lusk 2 SW, US	daily rain	28.7 mm (1.1 in)	16.8 mm (0.7 in)	12 years	23 of 100 (Routine)
31 July 1927	Pitea, SE	daily high min	16.5 C (61.7 F)	1.5 C (2.7 F)	43 years	22 of 100 (Routine)
31 July 1927	Lycippus 1 E, US	daily rain	57.2 mm (2.3 in)	25.4 mm (1.0 in)	2 years	22 of 100 (Routine)
31 July 1927	Charleville Post Office, AU	daily high max	29.4 C (84.9 F)	3.8 C (6.8 F)	29 years	21 of 100 (Routine)
31 July 1927	Madison, US	daily rain	46.2 mm (1.8 in)	24.1 mm (0.9 in)	8 years	21 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

1804 to 1927

Records set or tied on this calendar date in each year from 1804 to 1927. 1927 had 161 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1927-07-31: 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	107
10 to 20	21
20 to 30	9
30 to 40	1
40 to 50	1
50 to 60	0
60 to 70	1