Weather Records on 30 July 1927

109 weather records were set or tied worldwide on 30 July 1927. Highest significance: Corning, US.

Key Facts for 30 July 1927

On 30 July 1927, 109 weather records were set or tied at long-record stations worldwide.
14 were record highs and 33 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 107 daily.
Corning set a daily record precipitation of 71.4 mm (2.8 in) on 30 July 1927.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 442 records.

Record Map

109 stations

109 station records on 30 July 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Corning	United States	Record daily precipitation	71.4 mm (2.8 in)	52 of 100 (Notable)
1 ENE Fairfield	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Pocahontas 1	United States	Record daily precipitation	72.4 mm (2.9 in)	43 of 100 (Notable)
Marengo	United States	Record daily precipitation	78.2 mm (3.1 in)	42 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	62.2 mm (2.4 in)	36 of 100 (Notable)
Dickinson Exp STN	United States	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Carlinville	United States	Record daily precipitation	71.9 mm (2.8 in)	34 of 100 (Routine)
Scott	United States	Record daily precipitation	50.8 mm (2.0 in)	28 of 100 (Routine)
Bathurst Gaol	Australia	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Owensboro 3ENE	United States	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Gunnison 3SW	United States	Record low maximum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	14.0 C (57.2 F)	21 of 100 (Routine)
Lexington	United States	Record daily precipitation	46.7 mm (1.8 in)	21 of 100 (Routine)
Havre Wb City	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	18.7 mm (0.7 in)	20 of 100 (Routine)
Bee Branch	United States	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Sparta 1 W	United States	Record daily precipitation	41.1 mm (1.6 in)	20 of 100 (Routine)
Salem	United States	Record daily precipitation	30.5 mm (1.2 in)	20 of 100 (Routine)
Fayetteville Exp STN	United States	Record daily precipitation	103.9 mm (4.1 in)	19 of 100 (Routine)
Newport	United States	Record daily precipitation	28.7 mm (1.1 in)	19 of 100 (Routine)
Morrisonville 4 SE	United States	Record daily precipitation	38.4 mm (1.5 in)	19 of 100 (Routine)
New Burnside	United States	Record daily precipitation	28.2 mm (1.1 in)	19 of 100 (Routine)
Mungeranie	Australia	Record daily precipitation	3.8 mm (0.15 in)	18 of 100 (Routine)
Marion	United States	Record daily precipitation	41.1 mm (1.6 in)	18 of 100 (Routine)
Andenes	Norway	Record high minimum temperature	15.5 C (59.9 F)	17 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	15.6 mm (0.6 in)	17 of 100 (Routine)
Jonesboro 3 SSE	United States	Record low maximum temperature	25.6 C (78.1 F)	17 of 100 (Routine)
Evansville Ft Court STN	United States	Record daily precipitation	48.8 mm (1.9 in)	17 of 100 (Routine)
Neosho	United States	Record low maximum temperature	27.2 C (81.0 F)	17 of 100 (Routine)
New Martinsville 4 NNE	United States	Record low maximum temperature	23.9 C (75.0 F)	17 of 100 (Routine)
Anthony	United States	Record daily precipitation	33.0 mm (1.3 in)	17 of 100 (Routine)
Mardie	Australia	Record daily precipitation	0.5 mm (0.02 in)	16 of 100 (Routine)
Verhojansk	Russia	Record daily precipitation	8.6 mm (0.34 in)	16 of 100 (Routine)
Ft Morgan	United States	Record low maximum temperature	22.2 C (72.0 F)	16 of 100 (Routine)
Anderson 1 N	United States	Record daily precipitation	26.2 mm (1.0 in)	16 of 100 (Routine)
Madison Sewage Plt	United States	Record daily precipitation	24.4 mm (1.0 in)	16 of 100 (Routine)
Leitchfield 2 N	United States	Record daily precipitation	20.8 mm (0.8 in)	16 of 100 (Routine)
Arcadia	United States	Record daily precipitation	35.1 mm (1.4 in)	16 of 100 (Routine)
Burlington	United States	Record daily precipitation	27.9 mm (1.1 in)	16 of 100 (Routine)
Wangerooge	Germany	Record daily precipitation	24.4 mm (1.0 in)	15 of 100 (Routine)
Rogers	United States	Record daily precipitation	85.3 mm (3.4 in)	15 of 100 (Routine)
Tuscola	United States	Record daily precipitation	27.9 mm (1.1 in)	15 of 100 (Routine)
Huntington	United States	Record daily precipitation	16.5 mm (0.6 in)	15 of 100 (Routine)
Irvington	United States	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Steele 4N	United States	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
Bowling Green Wwtp	United States	Record low maximum temperature	21.7 C (71.1 F)	15 of 100 (Routine)
Society Hill 6 S	United States	Record low maximum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
Yunta (Paratoo)	Australia	Record daily precipitation	9.7 mm (0.38 in)	14 of 100 (Routine)
Pocahontas 1	United States	Record low maximum temperature	27.2 C (81.0 F)	14 of 100 (Routine)
Paducah River	United States	Record daily precipitation	23.6 mm (0.9 in)	14 of 100 (Routine)
Chowilla	Australia	Record daily precipitation	2.3 mm (0.09 in)	13 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-3.3 C (26.1 F)	13 of 100 (Routine)
Du Quoin 4 SE	United States	Record daily precipitation	33.0 mm (1.3 in)	13 of 100 (Routine)
Schriever	United States	Record high maximum temperature	37.8 C (100.0 F)	13 of 100 (Routine)
Vickery 2 NW	United States	Record low maximum temperature	22.2 C (72.0 F)	13 of 100 (Routine)
Tumby Bay (Hillview)	Australia	Record daily precipitation	7.9 mm (0.31 in)	12 of 100 (Routine)
Chaplin	Canada	Record daily precipitation	6.4 mm (0.25 in)	12 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	7.7 C (45.9 F)	12 of 100 (Routine)
Gotska Sandon	Sweden	Record daily precipitation	23.8 mm (0.9 in)	12 of 100 (Routine)
Washington 1 W	United States	Record daily precipitation	21.6 mm (0.9 in)	12 of 100 (Routine)

Counts by Type and Timescale

109 records

Records set or tied on 30 July 1927 by type: Highest daily maximum 5, Lowest daily maximum 25, Highest daily minimum 9, Lowest daily minimum 8, Heaviest daily rainfall 62.

Records on 30 July 1927 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	25
Highest daily minimum	9
Lowest daily minimum	8
Heaviest daily rainfall	62
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1927 by timescale: all-time 0, monthly 2, daily 107.

How Much Records Were Beaten By

96 broken records

Margins by which the 96 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.7. Ties are not counted.

Top 20 by Significance

30 July 1927

Top 20 records on 30 July 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1927	Corning, US	daily rain	71.4 mm (2.8 in)	59.7 mm (2.4 in)	31 years	52 of 100 (Notable)
30 July 1927	1 ENE Fairfield, US	daily rain	91.4 mm (3.6 in)	58.6 mm (2.3 in)	28 years	49 of 100 (Notable)
30 July 1927	Pocahontas 1, US	daily rain	72.4 mm (2.9 in)	52.6 mm (2.1 in)	28 years	43 of 100 (Notable)
30 July 1927	Marengo, US	daily rain	78.2 mm (3.1 in)	51.5 mm (2.0 in)	4 years	42 of 100 (Notable)
30 July 1927	Mt Carmel, US	daily rain	62.2 mm (2.4 in)	28.7 mm (1.1 in)	27 years	36 of 100 (Notable)
30 July 1927	Dickinson Exp STN, US	daily rain	33.3 mm (1.3 in)	29.7 mm (1.2 in)	16 years	36 of 100 (Notable)
30 July 1927	Carlinville, US	daily rain	71.9 mm (2.8 in)	33.8 mm (1.3 in)	28 years	34 of 100 (Routine)
30 July 1927	Scott, US	daily rain	50.8 mm (2.0 in)	24.6 mm (1.0 in)	25 years	28 of 100 (Routine)
30 July 1927	Bathurst Gaol, AU	daily low min	-7.2 C (19.0 F)	0.3 C (0.5 F)	67 years	27 of 100 (Routine)
30 July 1927	Owensboro 3ENE, US	daily rain	39.6 mm (1.6 in)	26.9 mm (1.1 in)	16 years	27 of 100 (Routine)
30 July 1927	Gunnison 3SW, US	daily low max	15.6 C (60.1 F)	5.0 C (9.0 F)	21 years	26 of 100 (Routine)
30 July 1927	Oran-Hopital Militaire, DZ	daily low min	14.0 C (57.2 F)	2.0 C (3.6 F)	14 years	21 of 100 (Routine)
30 July 1927	Lexington, US	daily rain	46.7 mm (1.8 in)	11.4 mm (0.4 in)	28 years	21 of 100 (Routine)
30 July 1927	Havre Wb City, US	daily rain	24.9 mm (1.0 in)	16.8 mm (0.7 in)	16 years	20 of 100 (Routine)
30 July 1927	Tot-Ma, RU	daily rain	18.7 mm (0.7 in)	12.4 mm (0.5 in)	10 years	20 of 100 (Routine)
30 July 1927	Bee Branch, US	daily rain	38.1 mm (1.5 in)	12.7 mm (0.5 in)	24 years	20 of 100 (Routine)
30 July 1927	Sparta 1 W, US	daily rain	41.1 mm (1.6 in)	13.2 mm (0.5 in)	28 years	20 of 100 (Routine)
30 July 1927	Salem, US	daily rain	30.5 mm (1.2 in)	18.1 mm (0.7 in)	4 years	20 of 100 (Routine)
30 July 1927	Fayetteville Exp STN, US	monthly rain	103.9 mm (4.1 in)	0.5 mm (0.02 in)	22 years	19 of 100 (Routine)
30 July 1927	Newport, US	daily rain	28.7 mm (1.1 in)	18.0 mm (0.7 in)	4 years	19 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

1794 to 1927

Records set or tied on this calendar date in each year from 1794 to 1927. 1927 had 109 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1927-07-30: 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).

Histogram of margins by which records were beaten on 30 July 1927
Margin	Records
0 to 10	71
10 to 20	14
20 to 30	6
30 to 40	1
40 to 50	0
50 to 60	4