Weather Records on 12 August 2018

571 weather records were set or tied worldwide on 12 August 2018. Highest significance: Drik Drik, AU.

Key Facts for 12 August 2018

On 12 August 2018, 571 weather records were set or tied at long-record stations worldwide.
369 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 22 monthly and 545 daily.
Drik Drik set a daily record precipitation of 44.0 mm (1.7 in) on 12 August 2018.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

571 stations

571 station records on 12 August 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Drik Drik	Australia	Record daily precipitation	44.0 mm (1.7 in)	61 of 100 (Major)
Cookeville	United States	Record daily precipitation	68.3 mm (2.7 in)	61 of 100 (Major)
Marseilles-Marignane	France	Record daily precipitation	47.2 mm (1.9 in)	60 of 100 (Major)
Barabinsk	Russia	Record daily precipitation	31.3 mm (1.2 in)	59 of 100 (Notable)
Science Garden	Philippines	Record daily precipitation	270.0 mm (10.6 in)	57 of 100 (Notable)
Kyzyl-Ozek	Russia	Record daily precipitation	54.4 mm (2.1 in)	57 of 100 (Notable)
Haverhill	United States	Record daily precipitation	60.5 mm (2.4 in)	55 of 100 (Notable)
Boonton 1 SE	United States	Record daily precipitation	79.2 mm (3.1 in)	55 of 100 (Notable)
Ramgundam	India	Record daily precipitation	264.9 mm (10.4 in)	50 of 100 (Notable)
Eden	United States	Record daily precipitation	69.9 mm (2.8 in)	50 of 100 (Notable)
Menard	United States	Record daily precipitation	97.8 mm (3.9 in)	50 of 100 (Notable)
Ennis	United States	Record high maximum temperature	36.7 C (98.1 F)	49 of 100 (Notable)
Plentywood	United States	Record high maximum temperature	41.7 C (107.1 F)	47 of 100 (Notable)
Nizamabad	India	Record daily precipitation	97.0 mm (3.8 in)	45 of 100 (Notable)
Chinook	United States	Record high maximum temperature	40.0 C (104.0 F)	45 of 100 (Notable)
Lamar Rs	United States	Record high maximum temperature	33.9 C (93.0 F)	45 of 100 (Notable)
Ouessant	France	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Sumoto	Japan	Record high minimum temperature	27.4 C (81.3 F)	44 of 100 (Notable)
Lawrence	United States	Record daily precipitation	57.2 mm (2.3 in)	44 of 100 (Notable)
Pleasant Mt 1 W	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Saint Maries	United States	Record high minimum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Ashburnham	United States	Record daily precipitation	73.2 mm (2.9 in)	43 of 100 (Notable)
Ganca	Azerbaijan	Record low maximum temperature	23.5 C (74.3 F)	42 of 100 (Notable)
Karlstad	Sweden	Record low maximum temperature	14.2 C (57.6 F)	42 of 100 (Notable)
Savage	United States	Record high maximum temperature	41.1 C (106.0 F)	42 of 100 (Notable)
Sidney	United States	Record high maximum temperature	41.7 C (107.1 F)	42 of 100 (Notable)
San Jon	United States	Record low minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Red Lodge	United States	Record high maximum temperature	35.6 C (96.1 F)	41 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	19.0 C (66.2 F)	40 of 100 (Notable)
Richfield	United States	Record high maximum temperature	38.9 C (102.0 F)	40 of 100 (Notable)
Prade Rch	United States	Record low maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Wittmann 1SE	United States	Record low minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Bridger 2 N	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Cody	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Deaver	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Lake Yellowstone	United States	Record high maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Crosby	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Mystic Lake	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Tonopah	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Cresson	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Midland 4 ENE	United States	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Diversion Dam	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Kaarina Yltoinen	Finland	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Ko Samui	Thailand	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Montezuma 2 NW	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record high maximum temperature	36.1 C (97.0 F)	35 of 100 (Notable)
Culbertson	United States	Record high maximum temperature	40.0 C (104.0 F)	35 of 100 (Notable)
Lima	United States	Record high maximum temperature	36.1 C (97.0 F)	35 of 100 (Notable)
Bottineau	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Watford City	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Basin	United States	Record high maximum temperature	40.6 C (105.1 F)	35 of 100 (Notable)
Minot Exp STN	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
San Angelo	United States	Record daily precipitation	59.2 mm (2.3 in)	34 of 100 (Routine)
Santa Fe Co Muni AP	United States	Record low minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Chengshantou	China	Record high minimum temperature	25.9 C (78.6 F)	33 of 100 (Routine)
Mc Clusky	United States	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Lowell	United States	Record daily precipitation	54.6 mm (2.1 in)	32 of 100 (Routine)
Medicine Lake 3 SE	United States	Record high maximum temperature	41.1 C (106.0 F)	31 of 100 (Routine)
Powderville 8 NNE	United States	Record high maximum temperature	42.8 C (109.0 F)	31 of 100 (Routine)
Port Orford #2	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

571 records

Records set or tied on 12 August 2018 by type: Highest daily maximum 227, Lowest daily maximum 50, Highest daily minimum 142, Lowest daily minimum 46, Heaviest daily rainfall 106.

Records on 12 August 2018 by type
Record type	Records
Highest daily maximum	227
Lowest daily maximum	50
Highest daily minimum	142
Lowest daily minimum	46
Heaviest daily rainfall	106
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 2018 by timescale: all-time 4, monthly 22, daily 545.

How Much Records Were Beaten By

438 broken records

Margins by which the 438 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

12 August 2018

Top 20 records on 12 August 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 2018	Drik Drik, AU	daily rain	44.0 mm (1.7 in)	17.6 mm (0.7 in)	81 years	61 of 100 (Major)
12 August 2018	Cookeville, US	daily rain	68.3 mm (2.7 in)	29.9 mm (1.2 in)	101 years	61 of 100 (Major)
12 August 2018	Marseilles-Marignane, FR	daily rain	47.2 mm (1.9 in)	31.2 mm (1.2 in)	76 years	60 of 100 (Major)
12 August 2018	Barabinsk, RU	daily rain	31.3 mm (1.2 in)	11.3 mm (0.4 in)	115 years	59 of 100 (Notable)
12 August 2018	Science Garden, PH	daily rain	270.0 mm (10.6 in)	153.0 mm (6.0 in)	40 years	57 of 100 (Notable)
12 August 2018	Kyzyl-Ozek, RU	daily rain	54.4 mm (2.1 in)	28.7 mm (1.1 in)	32 years	57 of 100 (Notable)
12 August 2018	Haverhill, US	daily rain	60.5 mm (2.4 in)	22.7 mm (0.9 in)	87 years	55 of 100 (Notable)
12 August 2018	Boonton 1 SE, US	daily rain	79.2 mm (3.1 in)	32.7 mm (1.3 in)	80 years	55 of 100 (Notable)
12 August 2018	Ramgundam, IN	monthly rain	264.9 mm (10.4 in)	44.9 mm (1.8 in)	37 years	50 of 100 (Notable)
12 August 2018	Eden, US	daily rain	69.9 mm (2.8 in)	39.7 mm (1.6 in)	45 years	50 of 100 (Notable)
12 August 2018	Menard, US	daily rain	97.8 mm (3.9 in)	17.8 mm (0.7 in)	97 years	50 of 100 (Notable)
12 August 2018	Ennis, US	monthly high max	36.7 C (98.1 F)	0.6 C (1.1 F)	93 years	49 of 100 (Notable)
12 August 2018	Plentywood, US	daily high max	41.7 C (107.1 F)	3.9 C (7.0 F)	112 years	47 of 100 (Notable)
12 August 2018	Nizamabad, IN	daily rain	97.0 mm (3.8 in)	36.6 mm (1.4 in)	56 years	45 of 100 (Notable)
12 August 2018	Chinook, US	daily high max	40.0 C (104.0 F)	2.8 C (5.0 F)	112 years	45 of 100 (Notable)
12 August 2018	Lamar Rs, US	monthly high max	33.9 C (93.0 F)	0.6 C (1.1 F)	82 years	45 of 100 (Notable)
12 August 2018	Ouessant, FR	daily rain	36.1 mm (1.4 in)	27.0 mm (1.1 in)	9 years	44 of 100 (Notable)
12 August 2018	Sumoto, JP	all-time high min	27.4 C (81.3 F)	0.5 C (0.9 F)	50 years	44 of 100 (Notable)
12 August 2018	Lawrence, US	daily rain	57.2 mm (2.3 in)	6.4 mm (0.25 in)	119 years	44 of 100 (Notable)
12 August 2018	Pleasant Mt 1 W, US	daily rain	47.0 mm (1.9 in)	11.4 mm (0.4 in)	92 years	44 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

1793 to 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 571 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 2018-08-12: 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	422
20 to 40	14
40 to 60	1
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1