Weather Records on 30 July 1940

562 weather records were set or tied worldwide on 30 July 1940. Highest significance: Woodstock, US.

Key Facts for 30 July 1940

On 30 July 1940, 562 weather records were set or tied at long-record stations worldwide.
285 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 4 monthly and 554 daily.
Woodstock set a daily record precipitation of 67.1 mm (2.6 in) on 30 July 1940.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 439 records.

Record Map

562 stations

562 station records on 30 July 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Woodstock	United States	Record daily precipitation	67.1 mm (2.6 in)	56 of 100 (Notable)
Greenfield	United States	Record daily precipitation	69.1 mm (2.7 in)	54 of 100 (Notable)
Tatarsk	Russia	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Perry	United States	Record daily precipitation	97.3 mm (3.8 in)	46 of 100 (Notable)
Kishanganj	India	Record daily precipitation	215.9 mm (8.5 in)	44 of 100 (Notable)
Chatsu	India	Record daily precipitation	100.8 mm (4.0 in)	44 of 100 (Notable)
Kalpi	India	Record daily precipitation	142.7 mm (5.6 in)	44 of 100 (Notable)
Risod	India	Record daily precipitation	83.3 mm (3.3 in)	43 of 100 (Notable)
Bah	India	Record daily precipitation	99.3 mm (3.9 in)	43 of 100 (Notable)
Balanpur	India	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Arhangelsk	Russia	Record daily precipitation	28.6 mm (1.1 in)	43 of 100 (Notable)
Boone	United States	Record daily precipitation	81.5 mm (3.2 in)	43 of 100 (Notable)
Elizabethton	United States	Record daily precipitation	97.3 mm (3.8 in)	43 of 100 (Notable)
Darwha	India	Record daily precipitation	129.5 mm (5.1 in)	42 of 100 (Notable)
Yeotmal	India	Record daily precipitation	132.8 mm (5.2 in)	41 of 100 (Notable)
Winterset 4N	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Gurgaon	India	Record daily precipitation	89.7 mm (3.5 in)	38 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Sirpur	India	Record daily precipitation	79.2 mm (3.1 in)	35 of 100 (Notable)
Kamen Kaman	India	Record daily precipitation	79.8 mm (3.1 in)	35 of 100 (Notable)
Cambray	United States	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Crescent City 3 NNW	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Mathura	India	Record daily precipitation	61.7 mm (2.4 in)	31 of 100 (Routine)
San Jacinto	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Waverly	United States	Record high maximum temperature	40.6 C (105.1 F)	31 of 100 (Routine)
Guthrie Ctr	United States	Record daily precipitation	81.3 mm (3.2 in)	30 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Bhim (Dawer)	India	Record daily precipitation	77.5 mm (3.1 in)	29 of 100 (Routine)
Chhata	India	Record daily precipitation	38.4 mm (1.5 in)	29 of 100 (Routine)
Waterloo	United States	Record daily precipitation	49.5 mm (1.9 in)	29 of 100 (Routine)
Grand Coteau	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Mt Airy 2 W	United States	Record daily precipitation	79.8 mm (3.1 in)	29 of 100 (Routine)
Charlottetown Cda	Canada	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Jagadhari	India	Record daily precipitation	78.0 mm (3.1 in)	28 of 100 (Routine)
Khair	India	Record daily precipitation	64.0 mm (2.5 in)	28 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
Milan Exp STN	United States	Record high minimum temperature	27.8 C (82.0 F)	28 of 100 (Routine)
Millerton	United States	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	8.0 C (46.4 F)	26 of 100 (Routine)
Chemnitz	Germany	Record low maximum temperature	12.0 C (53.6 F)	26 of 100 (Routine)
Songadh	India	Record daily precipitation	86.4 mm (3.4 in)	26 of 100 (Routine)
New Delhi/Safdarjun	India	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Mekliganj	India	Record daily precipitation	137.9 mm (5.4 in)	26 of 100 (Routine)
Moores Hill	United States	Record high minimum temperature	28.9 C (84.0 F)	26 of 100 (Routine)
Indianola 1SW	United States	Record daily precipitation	28.2 mm (1.1 in)	26 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)
Plymouth	United States	Record daily precipitation	44.5 mm (1.8 in)	26 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Digras	India	Record daily precipitation	72.4 mm (2.9 in)	25 of 100 (Routine)
Yerevan	Armenia	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Sampla	India	Record daily precipitation	73.7 mm (2.9 in)	24 of 100 (Routine)
Patur	India	Record daily precipitation	68.6 mm (2.7 in)	24 of 100 (Routine)
Donegaon	India	Record daily precipitation	55.6 mm (2.2 in)	24 of 100 (Routine)
Goela	India	Record daily precipitation	71.1 mm (2.8 in)	24 of 100 (Routine)
Jefferson 2 E	United States	Record daily precipitation	60.7 mm (2.4 in)	24 of 100 (Routine)
Alvin	United States	Record daily precipitation	68.6 mm (2.7 in)	24 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	7.7 C (45.9 F)	23 of 100 (Routine)

Counts by Type and Timescale

562 records

Records set or tied on 30 July 1940 by type: Highest daily maximum 153, Lowest daily maximum 26, Highest daily minimum 132, Lowest daily minimum 30, Heaviest daily rainfall 221.

Records on 30 July 1940 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	26
Highest daily minimum	132
Lowest daily minimum	30
Heaviest daily rainfall	221
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1940 by timescale: all-time 4, monthly 4, daily 554.

How Much Records Were Beaten By

431 broken records

Margins by which the 431 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 154.4. Ties are not counted.

Top 20 by Significance

30 July 1940

Top 20 records on 30 July 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1940	Woodstock, US	daily rain	67.1 mm (2.6 in)	54.1 mm (2.1 in)	44 years	56 of 100 (Notable)
30 July 1940	Greenfield, US	daily rain	69.1 mm (2.7 in)	57.4 mm (2.3 in)	41 years	54 of 100 (Notable)
30 July 1940	Tatarsk, RU	daily rain	39.4 mm (1.6 in)	30.0 mm (1.2 in)	35 years	48 of 100 (Notable)
30 July 1940	Perry, US	monthly rain	97.3 mm (3.8 in)	32.8 mm (1.3 in)	25 years	46 of 100 (Notable)
30 July 1940	Kishanganj, IN	daily rain	215.9 mm (8.5 in)	154.4 mm (6.1 in)	2 years	44 of 100 (Notable)
30 July 1940	Chatsu, IN	daily rain	100.8 mm (4.0 in)	67.0 mm (2.6 in)	23 years	44 of 100 (Notable)
30 July 1940	Kalpi, IN	daily rain	142.7 mm (5.6 in)	108.4 mm (4.3 in)	2 years	44 of 100 (Notable)
30 July 1940	Risod, IN	daily rain	83.3 mm (3.3 in)	51.0 mm (2.0 in)	33 years	43 of 100 (Notable)
30 July 1940	Bah, IN	daily rain	99.3 mm (3.9 in)	65.8 mm (2.6 in)	38 years	43 of 100 (Notable)
30 July 1940	Balanpur, IN	daily rain	81.3 mm (3.2 in)	53.4 mm (2.1 in)	37 years	43 of 100 (Notable)
30 July 1940	Arhangelsk, RU	daily rain	28.6 mm (1.1 in)	14.5 mm (0.6 in)	51 years	43 of 100 (Notable)
30 July 1940	Boone, US	daily rain	81.5 mm (3.2 in)	55.6 mm (2.2 in)	2 years	43 of 100 (Notable)
30 July 1940	Elizabethton, US	all-time rain	97.3 mm (3.8 in)	8.4 mm (0.33 in)	42 years	43 of 100 (Notable)
30 July 1940	Darwha, IN	daily rain	129.5 mm (5.1 in)	73.6 mm (2.9 in)	9 years	42 of 100 (Notable)
30 July 1940	Yeotmal, IN	daily rain	132.8 mm (5.2 in)	78.2 mm (3.1 in)	18 years	41 of 100 (Notable)
30 July 1940	Winterset 4N, US	daily rain	59.7 mm (2.4 in)	37.3 mm (1.5 in)	41 years	39 of 100 (Notable)
30 July 1940	Gurgaon, IN	daily rain	89.7 mm (3.5 in)	65.6 mm (2.6 in)	2 years	38 of 100 (Notable)
30 July 1940	Springview 2NW, US	daily rain	39.1 mm (1.5 in)	27.2 mm (1.1 in)	41 years	37 of 100 (Notable)
30 July 1940	Sirpur, IN	daily rain	79.2 mm (3.1 in)	46.9 mm (1.8 in)	18 years	35 of 100 (Notable)
30 July 1940	Kamen Kaman, IN	daily rain	79.8 mm (3.1 in)	51.9 mm (2.0 in)	17 years	35 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

1794 to 1940

Records set or tied on this calendar date in each year from 1794 to 1940. 1940 had 562 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 1940-07-30: 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).

Margin	Records
0 to 20	374
20 to 40	39
40 to 60	10
60 to 80	6
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1