Weather Records on 30 July 1983

904 weather records were set or tied worldwide on 30 July 1983. Highest significance: Merriman, US.

Key Facts for 30 July 1983

On 30 July 1983, 904 weather records were set or tied at long-record stations worldwide.
460 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 11 monthly and 882 daily.
Merriman set a daily record precipitation of 96.5 mm (3.8 in) on 30 July 1983.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 437 records.

Record Map

904 stations

904 station records on 30 July 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Merriman	United States	Record daily precipitation	96.5 mm (3.8 in)	54 of 100 (Notable)
Bundaleer Forest Reserve	Australia	Record daily precipitation	25.0 mm (1.0 in)	53 of 100 (Notable)
Coolabah (Branglebar)	Australia	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Turkestan	Kazakhstan	Record high maximum temperature	49.1 C (120.4 F)	52 of 100 (Notable)
Hanzhong	China	Record daily precipitation	92.0 mm (3.6 in)	51 of 100 (Notable)
San Juan de Los Planes	Mexico	Record low minimum temperature	13.9 C (57.0 F)	51 of 100 (Notable)
Sterlitamak	Russia	Record daily precipitation	46.7 mm (1.8 in)	51 of 100 (Notable)
Lagunillas	Mexico	Record daily precipitation	34.8 mm (1.4 in)	50 of 100 (Notable)
Hallett (Lorraine)	Australia	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Duncan	United States	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Richmond	Canada	Record high minimum temperature	20.5 C (68.9 F)	45 of 100 (Notable)
Eastbourne	United Kingdom	Record high maximum temperature	29.7 C (85.5 F)	45 of 100 (Notable)
Cambridge Galt Moe	Canada	Record daily precipitation	40.2 mm (1.6 in)	43 of 100 (Notable)
Huntingdon	Canada	Record high minimum temperature	22.0 C (71.6 F)	43 of 100 (Notable)
Nkhata Bay	Malawi	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Ear Falls	Canada	Record daily precipitation	60.5 mm (2.4 in)	42 of 100 (Notable)
Sarlyk	Russia	Record daily precipitation	29.9 mm (1.2 in)	42 of 100 (Notable)
Clayton 1 SSW	United States	Record low minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Heze/Caozhou	China	Record daily precipitation	102.1 mm (4.0 in)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	18.8 C (65.8 F)	41 of 100 (Notable)
Krasno-Armeysk	Kazakhstan	Record daily precipitation	33.6 mm (1.3 in)	41 of 100 (Notable)
Hostotipaquillo	Mexico	Record daily precipitation	61.5 mm (2.4 in)	41 of 100 (Notable)
Korf	Russia	Record daily precipitation	40.2 mm (1.6 in)	41 of 100 (Notable)
Aiken 5SE	United States	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Fran?A	Brazil	Record daily precipitation	25.2 mm (1.0 in)	40 of 100 (Notable)
Chardzhev	Turkmenistan	Record high minimum temperature	28.1 C (82.6 F)	40 of 100 (Notable)
Norfolk 2 SW	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Minden	Canada	Record high maximum temperature	31.5 C (88.7 F)	39 of 100 (Notable)
Santa Fe del Rio	Mexico	Record low minimum temperature	5.0 C (41.0 F)	39 of 100 (Notable)
Fort William	Australia	Record daily precipitation	35.8 mm (1.4 in)	38 of 100 (Notable)
Buique	Brazil	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Bishkek	Kyrgyzstan	Record high maximum temperature	42.8 C (109.0 F)	38 of 100 (Notable)
Tortosa - Observatorio del Ebr	Spain	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Daroca	Spain	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Cottage Grove 2E	United States	Record high minimum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Sovetskaja Gavan	Russia	Record low minimum temperature	1.6 C (34.9 F)	37 of 100 (Notable)
Selby	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Avangard Zernosovho	Russia	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Greenwood	United States	Record low minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Kaiserslautern	Germany	Record high minimum temperature	19.8 C (67.6 F)	34 of 100 (Routine)
Zilair	Russia	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Livingston	United States	Record low minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Cordele	United States	Record low minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record daily precipitation	50.5 mm (2.0 in)	34 of 100 (Routine)
Tidewater	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Beechworth Composite	Australia	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Wooragee	Australia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Begumpet Obsy	India	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
San Juan de Los Planes	Mexico	Record high maximum temperature	42.8 C (109.0 F)	33 of 100 (Routine)
Kljuchi	Russia	Record daily precipitation	31.1 mm (1.2 in)	33 of 100 (Routine)
Lexington	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Chardzhev	Turkmenistan	Record high maximum temperature	44.5 C (112.1 F)	32 of 100 (Routine)
Three Rivers	United States	Record daily precipitation	42.4 mm (1.7 in)	32 of 100 (Routine)
Port Hope	Canada	Record high minimum temperature	20.5 C (68.9 F)	31 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Toledo Blade	United States	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Bancroft	Canada	Record high minimum temperature	19.0 C (66.2 F)	30 of 100 (Routine)
Onor	Russia	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Jefferson 2 E	United States	Record low minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	44.5 C (112.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

904 records

Records set or tied on 30 July 1983 by type: Highest daily maximum 199, Lowest daily maximum 38, Highest daily minimum 261, Lowest daily minimum 77, Heaviest daily rainfall 329.

Records on 30 July 1983 by type
Record type	Records
Highest daily maximum	199
Lowest daily maximum	38
Highest daily minimum	261
Lowest daily minimum	77
Heaviest daily rainfall	329
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1983 by timescale: all-time 11, monthly 11, daily 882.

How Much Records Were Beaten By

722 broken records

Margins by which the 722 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

30 July 1983

Top 20 records on 30 July 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1983	Merriman, US	daily rain	96.5 mm (3.8 in)	72.1 mm (2.8 in)	21 years	54 of 100 (Notable)
30 July 1983	Bundaleer Forest Reserve, AU	daily rain	25.0 mm (1.0 in)	10.5 mm (0.4 in)	92 years	53 of 100 (Notable)
30 July 1983	Coolabah (Branglebar), AU	daily rain	25.0 mm (1.0 in)	22.5 mm (0.9 in)	61 years	52 of 100 (Notable)
30 July 1983	Turkestan, KZ	all-time high max	49.1 C (120.4 F)	2.2 C (4.0 F)	66 years	52 of 100 (Notable)
30 July 1983	Hanzhong, CN	daily rain	92.0 mm (3.6 in)	70.8 mm (2.8 in)	28 years	51 of 100 (Notable)
30 July 1983	San Juan de Los Planes, MX	daily low min	13.9 C (57.0 F)	7.8 C (14.0 F)	26 years	51 of 100 (Notable)
30 July 1983	Sterlitamak, RU	daily rain	46.7 mm (1.8 in)	29.4 mm (1.2 in)	24 years	51 of 100 (Notable)
30 July 1983	Lagunillas, MX	daily rain	34.8 mm (1.4 in)	33.0 mm (1.3 in)	28 years	50 of 100 (Notable)
30 July 1983	Hallett (Lorraine), AU	daily rain	30.0 mm (1.2 in)	11.7 mm (0.5 in)	61 years	48 of 100 (Notable)
30 July 1983	Duncan, US	daily rain	27.9 mm (1.1 in)	22.1 mm (0.9 in)	22 years	48 of 100 (Notable)
30 July 1983	Richmond, CA	daily high min	20.5 C (68.9 F)	2.2 C (4.0 F)	103 years	45 of 100 (Notable)
30 July 1983	Eastbourne, GB	daily high max	29.7 C (85.5 F)	4.7 C (8.5 F)	66 years	45 of 100 (Notable)
30 July 1983	Cambridge Galt Moe, CA	daily rain	40.2 mm (1.6 in)	30.5 mm (1.2 in)	22 years	43 of 100 (Notable)
30 July 1983	Huntingdon, CA	daily high min	22.0 C (71.6 F)	1.4 C (2.5 F)	105 years	43 of 100 (Notable)
30 July 1983	Nkhata Bay, MW	daily rain	64.0 mm (2.5 in)	32.8 mm (1.3 in)	30 years	43 of 100 (Notable)
30 July 1983	Ear Falls, CA	daily rain	60.5 mm (2.4 in)	29.5 mm (1.2 in)	13 years	42 of 100 (Notable)
30 July 1983	Sarlyk, RU	daily rain	29.9 mm (1.2 in)	17.8 mm (0.7 in)	41 years	42 of 100 (Notable)
30 July 1983	Clayton 1 SSW, US	daily low min	12.2 C (54.0 F)	1.7 C (3.1 F)	87 years	42 of 100 (Notable)
30 July 1983	Heze/Caozhou, CN	daily rain	102.1 mm (4.0 in)	84.1 mm (3.3 in)	29 years	41 of 100 (Notable)
30 July 1983	Jena Sternwarte, DE	daily high min	18.8 C (65.8 F)	0.3 C (0.5 F)	152 years	41 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 1983

Records set or tied on this calendar date in each year from 1794 to 1983. 1983 had 904 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 1983-07-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	687
20 to 40	32
40 to 60	0
60 to 80	2
80 to 100	1