Weather Records on 30 July 1950

552 weather records were set or tied worldwide on 30 July 1950. Highest significance: Lewistown AP, US.

Key Facts for 30 July 1950

On 30 July 1950, 552 weather records were set or tied at long-record stations worldwide.
34 were record highs and 296 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 544 daily.
Lewistown AP set a daily record precipitation of 49.5 mm (1.9 in) on 30 July 1950.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 440 records.

Record Map

552 stations

552 station records on 30 July 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lewistown AP	United States	Record daily precipitation	49.5 mm (1.9 in)	55 of 100 (Notable)
Jenner	Canada	Record daily precipitation	58.7 mm (2.3 in)	52 of 100 (Notable)
Maple Creek	Canada	Record daily precipitation	76.5 mm (3.0 in)	52 of 100 (Notable)
Cudgen Plantation	Australia	Record daily precipitation	113.8 mm (4.5 in)	49 of 100 (Notable)
Harwood Island (Harwood Sugar	Australia	Record daily precipitation	95.0 mm (3.7 in)	49 of 100 (Notable)
Estancia 4N	United States	Record daily precipitation	29.7 mm (1.2 in)	48 of 100 (Notable)
Khushalgarh	India	Record daily precipitation	154.2 mm (6.1 in)	46 of 100 (Notable)
Wastina Hemaruka	Canada	Record daily precipitation	60.7 mm (2.4 in)	45 of 100 (Notable)
Wallace	United States	Record daily precipitation	68.1 mm (2.7 in)	45 of 100 (Notable)
Medicine Hat A	Canada	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Porto Novo	India	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Kawainui Lower 193	United States	Record daily precipitation	112.3 mm (4.4 in)	40 of 100 (Notable)
Scott Cda	Canada	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Harur	India	Record daily precipitation	48.8 mm (1.9 in)	38 of 100 (Notable)
Prince	Canada	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Palamner	India	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Himatnagar	India	Record daily precipitation	129.3 mm (5.1 in)	36 of 100 (Notable)
Delaware 3 WSW	United States	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)
Uman	Ukraine	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Tombstone	United States	Record daily precipitation	58.7 mm (2.3 in)	35 of 100 (Notable)
Wapashoe	Canada	Record daily precipitation	77.2 mm (3.0 in)	34 of 100 (Routine)
Prescott 2 NNW	United States	Record low maximum temperature	24.4 C (75.9 F)	34 of 100 (Routine)
Geraldine 6 SE	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
White Sulphur Springs	United States	Record low maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Goderich Township	Canada	Record daily precipitation	27.2 mm (1.1 in)	33 of 100 (Routine)
Gingee	India	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Missoula 6 NW WFO	United States	Record low maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Philipsburg	United States	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Crosby	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Condong Sugar Mill	Australia	Record daily precipitation	39.9 mm (1.6 in)	32 of 100 (Routine)
Paulo Afonso	Brazil	Record daily precipitation	62.0 mm (2.4 in)	32 of 100 (Routine)
Waseca	Canada	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Theethandathanam	India	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Subiaco	United States	Record daily precipitation	70.6 mm (2.8 in)	32 of 100 (Routine)
Farmington	United States	Record low maximum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Midvale	United States	Record low maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Ennore Obsy	India	Record daily precipitation	66.0 mm (2.6 in)	31 of 100 (Routine)
Mena	United States	Record daily precipitation	66.3 mm (2.6 in)	31 of 100 (Routine)
Covington	United States	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Ennis	United States	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Yamba Pilot Station	Australia	Record daily precipitation	81.3 mm (3.2 in)	30 of 100 (Routine)
Nashlyn	Canada	Record daily precipitation	34.5 mm (1.4 in)	30 of 100 (Routine)
Wetumpka	United States	Record low maximum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Tucson WFO	United States	Record daily precipitation	59.9 mm (2.4 in)	30 of 100 (Routine)
Ft Bidwell	United States	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Kellogg	United States	Record low maximum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Livingston	United States	Record low maximum temperature	12.8 C (55.0 F)	30 of 100 (Routine)
Towner 2 NE	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Castlewood	United States	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Sagar Island	India	Record daily precipitation	79.5 mm (3.1 in)	29 of 100 (Routine)
Highland Home	United States	Record low maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Arrowrock Dam	United States	Record low maximum temperature	21.1 C (70.0 F)	29 of 100 (Routine)
Lovell	United States	Record low maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Green Rvr	United States	Record low minimum temperature	2.2 C (36.0 F)	28 of 100 (Routine)
Grover 2 S	United States	Record low maximum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Lewistown AP	United States	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Butte Bert Mooney AP	United States	Record low maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Tallebudgera Guineas Creek Roa	Australia	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)
Tomewin (Border Gate)	Australia	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Mulbagal	India	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)

Counts by Type and Timescale

552 records

Records set or tied on 30 July 1950 by type: Highest daily maximum 12, Lowest daily maximum 181, Highest daily minimum 22, Lowest daily minimum 115, Heaviest daily rainfall 222.

Records on 30 July 1950 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	181
Highest daily minimum	22
Lowest daily minimum	115
Heaviest daily rainfall	222
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1950 by timescale: all-time 2, monthly 6, daily 544.

How Much Records Were Beaten By

485 broken records

Margins by which the 485 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.1. Ties are not counted.

Top 20 by Significance

30 July 1950

Top 20 records on 30 July 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1950	Lewistown AP, US	daily rain	49.5 mm (1.9 in)	34.3 mm (1.4 in)	39 years	55 of 100 (Notable)
30 July 1950	Jenner, CA	daily rain	58.7 mm (2.3 in)	44.7 mm (1.8 in)	31 years	52 of 100 (Notable)
30 July 1950	Maple Creek, CA	all-time rain	76.5 mm (3.0 in)	6.1 mm (0.24 in)	63 years	52 of 100 (Notable)
30 July 1950	Cudgen Plantation, AU	daily rain	113.8 mm (4.5 in)	72.7 mm (2.9 in)	37 years	49 of 100 (Notable)
30 July 1950	Harwood Island (Harwood Sugar, AU	daily rain	95.0 mm (3.7 in)	85.1 mm (3.4 in)	20 years	49 of 100 (Notable)
30 July 1950	Estancia 4N, US	daily rain	29.7 mm (1.2 in)	26.1 mm (1.0 in)	40 years	48 of 100 (Notable)
30 July 1950	Khushalgarh, IN	daily rain	154.2 mm (6.1 in)	84.6 mm (3.3 in)	47 years	46 of 100 (Notable)
30 July 1950	Wastina Hemaruka, CA	daily rain	60.7 mm (2.4 in)	47.2 mm (1.9 in)	8 years	45 of 100 (Notable)
30 July 1950	Wallace, US	daily rain	68.1 mm (2.7 in)	33.0 mm (1.3 in)	48 years	45 of 100 (Notable)
30 July 1950	Medicine Hat A, CA	daily rain	25.7 mm (1.0 in)	21.1 mm (0.8 in)	39 years	44 of 100 (Notable)
30 July 1950	Porto Novo, IN	daily rain	45.0 mm (1.8 in)	32.8 mm (1.3 in)	47 years	42 of 100 (Notable)
30 July 1950	Kawainui Lower 193, US	daily rain	112.3 mm (4.4 in)	57.9 mm (2.3 in)	16 years	40 of 100 (Notable)
30 July 1950	Scott Cda, CA	daily rain	33.8 mm (1.3 in)	25.7 mm (1.0 in)	12 years	38 of 100 (Notable)
30 July 1950	Harur, IN	daily rain	48.8 mm (1.9 in)	37.4 mm (1.5 in)	24 years	38 of 100 (Notable)
30 July 1950	Prince, CA	daily rain	44.5 mm (1.8 in)	33.6 mm (1.3 in)	4 years	37 of 100 (Notable)
30 July 1950	Palamner, IN	daily rain	39.1 mm (1.5 in)	27.4 mm (1.1 in)	40 years	37 of 100 (Notable)
30 July 1950	Himatnagar, IN	daily rain	129.3 mm (5.1 in)	66.6 mm (2.6 in)	28 years	36 of 100 (Notable)
30 July 1950	Delaware 3 WSW, US	daily rain	34.0 mm (1.3 in)	26.1 mm (1.0 in)	45 years	36 of 100 (Notable)
30 July 1950	Uman, UA	daily rain	39.6 mm (1.6 in)	21.4 mm (0.8 in)	17 years	35 of 100 (Notable)
30 July 1950	Tombstone, US	daily rain	58.7 mm (2.3 in)	24.2 mm (1.0 in)	28 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 1950

Records set or tied on this calendar date in each year from 1794 to 1950. 1950 had 552 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 1950-07-30: 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	443
20 to 40	34
40 to 60	4
60 to 80	2
80 to 100	2