Weather Records on 1 August 2018

987 weather records were set or tied worldwide on 1 August 2018. Highest significance: Genthin, DE.

Key Facts for 1 August 2018

On 1 August 2018, 987 weather records were set or tied at long-record stations worldwide.
698 were record highs and 138 were record lows, counting maximum and minimum temperature.
By timescale, 33 were all-time records, 127 monthly and 827 daily.
Genthin set an all-time record daily precipitation of 105.1 mm (4.1 in) on 1 August 2018.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 438 records.

Record Map

987 stations

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

Weather records on 1 August 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Genthin	Germany	Record daily precipitation	105.1 mm (4.1 in)	76 of 100 (Major)
Charlottesville 2W	United States	Record daily precipitation	176.5 mm (6.9 in)	65 of 100 (Major)
Miri	Malaysia	Record daily precipitation	167.4 mm (6.6 in)	62 of 100 (Major)
Dearborn	United States	Record daily precipitation	81.3 mm (3.2 in)	61 of 100 (Major)
Cedartown	United States	Record daily precipitation	117.3 mm (4.6 in)	57 of 100 (Notable)
El Campo	United States	Record low minimum temperature	16.7 C (62.1 F)	56 of 100 (Notable)
Berlin-Dahlem	Germany	Record high minimum temperature	22.5 C (72.5 F)	55 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	94.5 mm (3.7 in)	55 of 100 (Notable)
Lucknow/Amausi	India	Record daily precipitation	95.0 mm (3.7 in)	54 of 100 (Notable)
Falun	Sweden	Record high minimum temperature	20.5 C (68.9 F)	54 of 100 (Notable)
Elkin	United States	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
Kandalaksa	Russia	Record high maximum temperature	32.0 C (89.6 F)	52 of 100 (Notable)
Bareilly	India	Record daily precipitation	103.1 mm (4.1 in)	51 of 100 (Notable)
Sibu	Malaysia	Record daily precipitation	121.7 mm (4.8 in)	51 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record high minimum temperature	20.8 C (69.4 F)	51 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	65.3 mm (2.6 in)	51 of 100 (Notable)
Statesville 2 NNE	United States	Record daily precipitation	61.0 mm (2.4 in)	51 of 100 (Notable)
Rome R B Russell AP	United States	Record daily precipitation	102.1 mm (4.0 in)	51 of 100 (Notable)
Free Union	United States	Record daily precipitation	80.3 mm (3.2 in)	50 of 100 (Notable)
Sihccajavri	Norway	Record high minimum temperature	17.4 C (63.3 F)	48 of 100 (Notable)
Livingston 2 NNE	United States	Record daily precipitation	90.7 mm (3.6 in)	48 of 100 (Notable)
Erfurt-Bindersleben	Germany	Record daily precipitation	41.3 mm (1.6 in)	47 of 100 (Notable)
Portland	United States	Record daily precipitation	43.4 mm (1.7 in)	47 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Angleton 2 W	United States	Record daily precipitation	101.6 mm (4.0 in)	47 of 100 (Notable)
Makaweli 965	United States	Record high minimum temperature	25.0 C (77.0 F)	47 of 100 (Notable)
Williamsport Rgnl AP	United States	Record daily precipitation	53.6 mm (2.1 in)	47 of 100 (Notable)
Piedmont Rsch STN	United States	Record daily precipitation	116.1 mm (4.6 in)	46 of 100 (Notable)
Montevallo	United States	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Potosi 4 SW	United States	Record low maximum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Waltershausen	Germany	Record daily precipitation	31.1 mm (1.2 in)	44 of 100 (Notable)
Lichtentanne	Germany	Record high minimum temperature	19.9 C (67.8 F)	44 of 100 (Notable)
Casey	United States	Record low maximum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Morenci	United States	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Ellendale	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Rome R B Russell AP	United States	Record low maximum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Middlebourne 3 ESE	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record daily precipitation	47.1 mm (1.9 in)	42 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Kingsport	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Kremsmuenster	Austria	Record high minimum temperature	20.4 C (68.7 F)	41 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	19.9 C (67.8 F)	41 of 100 (Notable)
Kleiner Inselsberg	Germany	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Murmansk	Russia	Record high maximum temperature	30.2 C (86.4 F)	41 of 100 (Notable)
Shoshone 1 WNW	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Mize 3SW	United States	Record daily precipitation	111.8 mm (4.4 in)	41 of 100 (Notable)
Jasper	United States	Record daily precipitation	69.3 mm (2.7 in)	41 of 100 (Notable)
Knoxville AP	United States	Record low maximum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Tizi Ouzou	Algeria	Record low minimum temperature	15.9 C (60.6 F)	40 of 100 (Notable)
Perpignan	France	Record high maximum temperature	37.4 C (99.3 F)	40 of 100 (Notable)
Greifswalder Oie	Germany	Record high minimum temperature	21.9 C (71.4 F)	40 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	32.1 C (89.8 F)	40 of 100 (Notable)
Eggegrund	Sweden	Record high maximum temperature	29.9 C (85.8 F)	40 of 100 (Notable)
Mutual	United States	Record low minimum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Asheville AP	United States	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Beaumont City	United States	Record low maximum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Castle Dale	United States	Record high minimum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Chatham	United States	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Poset	Russia	Record high maximum temperature	35.3 C (95.5 F)	38 of 100 (Notable)
Gadsden	United States	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)

Counts by Type and Timescale

987 records

Records set or tied on 1 August 2018 by type: Highest daily maximum 253, Lowest daily maximum 70, Highest daily minimum 445, Lowest daily minimum 68, Heaviest daily rainfall 151.

Records on 1 August 2018 by type
Record type	Records
Highest daily maximum	253
Lowest daily maximum	70
Highest daily minimum	445
Lowest daily minimum	68
Heaviest daily rainfall	151
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 2018 by timescale: all-time 33, monthly 127, daily 827.

How Much Records Were Beaten By

814 broken records

Margins by which the 814 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 120.4. Ties are not counted.

Top 20 by Significance

1 August 2018

Top 20 records on 1 August 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 2018	Genthin, DE	all-time rain	105.1 mm (4.1 in)	43.4 mm (1.7 in)	34 years	76 of 100 (Major)
1 August 2018	Charlottesville 2W, US	monthly rain	176.5 mm (6.9 in)	39.8 mm (1.6 in)	68 years	65 of 100 (Major)
1 August 2018	Miri, MY	daily rain	167.4 mm (6.6 in)	120.4 mm (4.7 in)	53 years	62 of 100 (Major)
1 August 2018	Dearborn, US	daily rain	81.3 mm (3.2 in)	56.7 mm (2.2 in)	52 years	61 of 100 (Major)
1 August 2018	Cedartown, US	monthly rain	117.3 mm (4.6 in)	30.2 mm (1.2 in)	50 years	57 of 100 (Notable)
1 August 2018	El Campo, US	daily low min	16.7 C (62.1 F)	4.4 C (7.9 F)	72 years	56 of 100 (Notable)
1 August 2018	Berlin-Dahlem, DE	monthly high min	22.5 C (72.5 F)	1.5 C (2.7 F)	135 years	55 of 100 (Notable)
1 August 2018	Calhoun Falls, US	daily rain	94.5 mm (3.7 in)	36.1 mm (1.4 in)	85 years	55 of 100 (Notable)
1 August 2018	Lucknow/Amausi, IN	daily rain	95.0 mm (3.7 in)	73.4 mm (2.9 in)	63 years	54 of 100 (Notable)
1 August 2018	Falun, SE	monthly high min	20.5 C (68.9 F)	1.5 C (2.7 F)	113 years	54 of 100 (Notable)
1 August 2018	Elkin, US	daily rain	69.9 mm (2.8 in)	44.0 mm (1.7 in)	52 years	53 of 100 (Notable)
1 August 2018	Kandalaksa, RU	all-time high max	32.0 C (89.6 F)	0.4 C (0.7 F)	73 years	52 of 100 (Notable)
1 August 2018	Bareilly, IN	daily rain	103.1 mm (4.1 in)	37.8 mm (1.5 in)	92 years	51 of 100 (Notable)
1 August 2018	Sibu, MY	daily rain	121.7 mm (4.8 in)	93.8 mm (3.7 in)	23 years	51 of 100 (Notable)
1 August 2018	Vasteras-Hasslo, SE	monthly high min	20.8 C (69.4 F)	0.3 C (0.5 F)	118 years	51 of 100 (Notable)
1 August 2018	Berne Wwtp, US	daily rain	65.3 mm (2.6 in)	17.3 mm (0.7 in)	92 years	51 of 100 (Notable)
1 August 2018	Statesville 2 NNE, US	daily rain	61.0 mm (2.4 in)	19.9 mm (0.8 in)	104 years	51 of 100 (Notable)
1 August 2018	Rome R B Russell AP, US	daily rain	102.1 mm (4.0 in)	62.7 mm (2.5 in)	15 years	51 of 100 (Notable)
1 August 2018	Free Union, US	daily rain	80.3 mm (3.2 in)	49.8 mm (2.0 in)	40 years	50 of 100 (Notable)
1 August 2018	Sihccajavri, NO	monthly high min	17.4 C (63.3 F)	1.4 C (2.5 F)	83 years	48 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

1797 to 2018

Records set or tied on this calendar date in each year from 1797 to 2018. 2018 had 987 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 2018-08-01: 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 20	776
20 to 40	25
40 to 60	8
60 to 80	3
80 to 100	1
100 to 120	0
120 to 140	1