Weather Records on 30 July 2018

1,038 weather records were set or tied worldwide on 30 July 2018. Highest significance: Princeton, US.

Key Facts for 30 July 2018

On 30 July 2018, 1,038 weather records were set or tied at long-record stations worldwide.
796 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 29 were all-time records, 16 monthly and 993 daily.
Princeton set an all-time record daily precipitation of 146.8 mm (5.8 in) on 30 July 2018.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 437 records.

Record Map

1,038 stations

1,038 station records on 30 July 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Princeton	United States	Record daily precipitation	146.8 mm (5.8 in)	77 of 100 (Major)
Norberg	Sweden	Record daily precipitation	57.4 mm (2.3 in)	68 of 100 (Major)
Seminole	United States	Record daily precipitation	104.1 mm (4.1 in)	67 of 100 (Major)
Vestervig	Denmark	Record high minimum temperature	20.5 C (68.9 F)	54 of 100 (Notable)
Vittinge	Sweden	Record daily precipitation	47.5 mm (1.9 in)	53 of 100 (Notable)
Sullivan 3S	United States	Record daily precipitation	89.9 mm (3.5 in)	51 of 100 (Notable)
Marnitz	Germany	Record high minimum temperature	19.9 C (67.8 F)	50 of 100 (Notable)
Gothenburg	United States	Record daily precipitation	26.9 mm (1.1 in)	48 of 100 (Notable)
Tromso	Norway	Record high minimum temperature	20.8 C (69.4 F)	47 of 100 (Notable)
Kincaid 3W	United States	Record daily precipitation	95.8 mm (3.8 in)	47 of 100 (Notable)
Casey	United States	Record low maximum temperature	22.8 C (73.0 F)	46 of 100 (Notable)
W Lafayette 6 NW	United States	Record low maximum temperature	20.0 C (68.0 F)	46 of 100 (Notable)
Renison Bell	Australia	Record daily precipitation	45.4 mm (1.8 in)	45 of 100 (Notable)
Cottbus	Germany	Record high minimum temperature	19.7 C (67.5 F)	45 of 100 (Notable)
Abisko	Sweden	Record high minimum temperature	17.5 C (63.5 F)	45 of 100 (Notable)
Paris Stp	United States	Record low maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Nurnberg	Germany	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Andoya	Norway	Record high minimum temperature	19.8 C (67.6 F)	44 of 100 (Notable)
Plauen	Germany	Record high minimum temperature	18.8 C (65.8 F)	43 of 100 (Notable)
Pitea	Sweden	Record high minimum temperature	19.0 C (66.2 F)	43 of 100 (Notable)
Junction 4SSW	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Innsbruck	Austria	Record high minimum temperature	18.4 C (65.1 F)	41 of 100 (Notable)
Bamberg	Germany	Record high maximum temperature	34.9 C (94.8 F)	41 of 100 (Notable)
Altastenberg	Germany	Record high maximum temperature	28.1 C (82.6 F)	41 of 100 (Notable)
Dresden-Strehlen	Germany	Record high minimum temperature	21.4 C (70.5 F)	41 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record high maximum temperature	37.4 C (99.3 F)	41 of 100 (Notable)
Ulricehamn	Sweden	Record high maximum temperature	30.7 C (87.3 F)	41 of 100 (Notable)
Hamra	Sweden	Record daily precipitation	75.6 mm (3.0 in)	41 of 100 (Notable)
White Hall 1 E	United States	Record low maximum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Whitestown	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Kotzebue AP	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Magdeburg	Germany	Record high maximum temperature	34.8 C (94.6 F)	40 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	34.0 C (93.2 F)	40 of 100 (Notable)
Nordstraum I Kvaenangen	Norway	Record high minimum temperature	20.2 C (68.4 F)	40 of 100 (Notable)
White Hall 1 E	United States	Record daily precipitation	63.5 mm (2.5 in)	40 of 100 (Notable)
Anderson 1 N	United States	Record low maximum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Elkhart	United States	Record daily precipitation	54.6 mm (2.1 in)	40 of 100 (Notable)
Alta Lufthavn	Norway	Record high minimum temperature	21.4 C (70.5 F)	39 of 100 (Notable)
Ange-Parteboda D	Sweden	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Beecher City	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Casey	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Mierkenis_A	Sweden	Record high minimum temperature	17.0 C (62.6 F)	38 of 100 (Notable)
Jacksonville 2E	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Gallivare_A	Sweden	Record high minimum temperature	17.0 C (62.6 F)	37 of 100 (Notable)
Minatare Dam (Usbr)	United States	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Vasilevici	Belarus	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Enontekio Kilpisjarvi	Finland	Record high minimum temperature	17.5 C (63.5 F)	36 of 100 (Notable)
Vardoe	Norway	Record high maximum temperature	26.6 C (79.9 F)	36 of 100 (Notable)
Fone_D	Sweden	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Mattoon	United States	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Pana	United States	Record daily precipitation	70.6 mm (2.8 in)	36 of 100 (Notable)
Saverton L&D 22	United States	Record daily precipitation	59.2 mm (2.3 in)	36 of 100 (Notable)
Kruunupyy Lentoasema	Finland	Record high minimum temperature	20.7 C (69.3 F)	35 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high minimum temperature	21.6 C (70.9 F)	35 of 100 (Notable)
Midville Exp STN	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)
Hannover	Germany	Record high maximum temperature	33.3 C (91.9 F)	34 of 100 (Routine)
Vardo	Norway	Record high maximum temperature	26.6 C (79.9 F)	34 of 100 (Routine)
Svijagino	Russia	Record high maximum temperature	33.3 C (91.9 F)	34 of 100 (Routine)
Langshyttan_D	Sweden	Record daily precipitation	38.7 mm (1.5 in)	34 of 100 (Routine)
Nattavaara_A	Sweden	Record high minimum temperature	18.1 C (64.6 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,038 records

Records set or tied on 30 July 2018 by type: Highest daily maximum 367, Lowest daily maximum 71, Highest daily minimum 429, Lowest daily minimum 19, Heaviest daily rainfall 152.

Records on 30 July 2018 by type
Record type	Records
Highest daily maximum	367
Lowest daily maximum	71
Highest daily minimum	429
Lowest daily minimum	19
Heaviest daily rainfall	152
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2018 by timescale: all-time 29, monthly 16, daily 993.

How Much Records Were Beaten By

900 broken records

Margins by which the 900 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.1. Ties are not counted.

Top 20 by Significance

30 July 2018

Top 20 records on 30 July 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2018	Princeton, US	all-time rain	146.8 mm (5.8 in)	19.8 mm (0.8 in)	112 years	77 of 100 (Major)
30 July 2018	Norberg, SE	daily rain	57.4 mm (2.3 in)	39.5 mm (1.6 in)	72 years	68 of 100 (Major)
30 July 2018	Seminole, US	daily rain	104.1 mm (4.1 in)	73.1 mm (2.9 in)	68 years	67 of 100 (Major)
30 July 2018	Vestervig, DK	all-time high min	20.5 C (68.9 F)	0.3 C (0.5 F)	77 years	54 of 100 (Notable)
30 July 2018	Vittinge, SE	daily rain	47.5 mm (1.9 in)	34.9 mm (1.4 in)	32 years	53 of 100 (Notable)
30 July 2018	Sullivan 3S, US	daily rain	89.9 mm (3.5 in)	69.1 mm (2.7 in)	13 years	51 of 100 (Notable)
30 July 2018	Marnitz, DE	daily high min	19.9 C (67.8 F)	2.6 C (4.7 F)	107 years	50 of 100 (Notable)
30 July 2018	Gothenburg, US	daily rain	26.9 mm (1.1 in)	8.4 mm (0.33 in)	121 years	48 of 100 (Notable)
30 July 2018	Tromso, NO	all-time high min	20.8 C (69.4 F)	0.3 C (0.5 F)	58 years	47 of 100 (Notable)
30 July 2018	Kincaid 3W, US	daily rain	95.8 mm (3.8 in)	45.8 mm (1.8 in)	25 years	47 of 100 (Notable)
30 July 2018	Casey, US	daily low max	22.8 C (73.0 F)	2.2 C (4.0 F)	122 years	46 of 100 (Notable)
30 July 2018	W Lafayette 6 NW, US	daily low max	20.0 C (68.0 F)	2.2 C (4.0 F)	100 years	46 of 100 (Notable)
30 July 2018	Renison Bell, AU	daily rain	45.4 mm (1.8 in)	9.6 mm (0.38 in)	87 years	45 of 100 (Notable)
30 July 2018	Cottbus, DE	daily high min	19.7 C (67.5 F)	1.5 C (2.7 F)	107 years	45 of 100 (Notable)
30 July 2018	Abisko, SE	all-time high min	17.5 C (63.5 F)	0.8 C (1.4 F)	58 years	45 of 100 (Notable)
30 July 2018	Paris Stp, US	daily low max	19.4 C (66.9 F)	2.8 C (5.0 F)	92 years	45 of 100 (Notable)
30 July 2018	Nurnberg, DE	daily high max	34.4 C (93.9 F)	1.9 C (3.4 F)	130 years	44 of 100 (Notable)
30 July 2018	Andoya, NO	all-time high min	19.8 C (67.6 F)	1.2 C (2.2 F)	46 years	44 of 100 (Notable)
30 July 2018	Plauen, DE	daily high min	18.8 C (65.8 F)	0.9 C (1.6 F)	130 years	43 of 100 (Notable)
30 July 2018	Pitea, SE	daily high min	19.0 C (66.2 F)	1.0 C (1.8 F)	116 years	43 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 2018

Records set or tied on this calendar date in each year from 1794 to 2018. 2018 had 1,038 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 2018-07-30: 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 2026-10-16 (16 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 10	853
10 to 20	28
20 to 30	7
30 to 40	9
40 to 50	1
50 to 60	0
60 to 70	1
70 to 80	1