Weather Records on 18 August 2000

1,183 weather records were set or tied worldwide on 18 August 2000. Highest significance: Greencastle 1 W, US.

Key Facts for 18 August 2000

On 18 August 2000, 1,183 weather records were set or tied at long-record stations worldwide.
458 were record highs and 561 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 78 monthly and 1,097 daily.
Greencastle 1 W set a daily record precipitation of 77.7 mm (3.1 in) on 18 August 2000.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,183 stations

1,183 station records on 18 August 2000 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 2000: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greencastle 1 W	United States	Record daily precipitation	77.7 mm (3.1 in)	71 of 100 (Major)
Mayen	Germany	Record daily precipitation	33.2 mm (1.3 in)	63 of 100 (Major)
Rockville	United States	Record daily precipitation	60.5 mm (2.4 in)	61 of 100 (Major)
Marysville	United States	Record daily precipitation	46.2 mm (1.8 in)	56 of 100 (Notable)
Saint Johns	United States	Record low maximum temperature	17.2 C (63.0 F)	53 of 100 (Notable)
Fence Lake	United States	Record daily precipitation	33.0 mm (1.3 in)	53 of 100 (Notable)
Golden	United States	Record daily precipitation	72.4 mm (2.9 in)	50 of 100 (Notable)
Tyumen Amsg	Russia	Record daily precipitation	49.2 mm (1.9 in)	49 of 100 (Notable)
Falmouth	United States	Record daily precipitation	43.7 mm (1.7 in)	49 of 100 (Notable)
Covington 8 WNW	United States	Record high maximum temperature	39.4 C (102.9 F)	49 of 100 (Notable)
Cardenas	Mexico	Record low maximum temperature	24.4 C (75.9 F)	47 of 100 (Notable)
Rico	United States	Record snow depth	12.7 cm (5.0 in)	47 of 100 (Notable)
Monticello Muni AP	United States	Record high maximum temperature	40.0 C (104.0 F)	47 of 100 (Notable)
Paoli	United States	Record daily precipitation	63.5 mm (2.5 in)	46 of 100 (Notable)
Villa Purificacion (Dge)	Mexico	Record high maximum temperature	40.0 C (104.0 F)	45 of 100 (Notable)
W Pt	United States	Record high maximum temperature	38.9 C (102.0 F)	45 of 100 (Notable)
Prospect	United States	Record daily precipitation	36.8 mm (1.4 in)	45 of 100 (Notable)
Hiram	United States	Record low maximum temperature	15.0 C (59.0 F)	44 of 100 (Notable)
San Pedro del Gallo (Smn)	Mexico	Record low minimum temperature	5.0 C (41.0 F)	43 of 100 (Notable)
Xicatlacotla (Cfe)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Espanola	United States	Record low maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Hamburg	United States	Record low maximum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Marlinton	United States	Record daily precipitation	56.6 mm (2.2 in)	43 of 100 (Notable)
Denver-Stapleton	United States	Record daily precipitation	45.2 mm (1.8 in)	43 of 100 (Notable)
Nanchong	China	Record daily precipitation	84.1 mm (3.3 in)	42 of 100 (Notable)
Shoals 8 S	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
Waterville 2	United States	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Bucyrus	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Covington 3 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Texarkana Webb Fld	United States	Record high minimum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Borgentreich-Buhne	Germany	Record daily precipitation	32.6 mm (1.3 in)	41 of 100 (Notable)
Evergreen	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Selma	United States	Record high maximum temperature	39.4 C (102.9 F)	41 of 100 (Notable)
Gunnison 3SW	United States	Record high minimum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Sugarloaf Rsvr	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Oakley	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
St Joseph 3 N	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
University	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Urbana Wrf	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Newport 1 NW	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Wien	Austria	Record high minimum temperature	20.7 C (69.3 F)	40 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	26.0 C (78.8 F)	40 of 100 (Notable)
Palos Altos	Mexico	Record low minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Presa Alvaro Obregon	Mexico	Record low minimum temperature	10.0 C (50.0 F)	40 of 100 (Notable)
Chardzhev	Turkmenistan	Record low minimum temperature	14.5 C (58.1 F)	40 of 100 (Notable)
Esengyly	Turkmenistan	Record high maximum temperature	38.8 C (101.8 F)	40 of 100 (Notable)
Troy	United States	Record high maximum temperature	38.3 C (100.9 F)	40 of 100 (Notable)
Snowflake	United States	Record high minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Bellefontaine	United States	Record daily precipitation	44.5 mm (1.8 in)	40 of 100 (Notable)
San Pedro del Gallo (Smn)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Vallecito Dam	United States	Record daily precipitation	37.6 mm (1.5 in)	39 of 100 (Notable)
Lumpkin 2 SE	United States	Record high maximum temperature	38.9 C (102.0 F)	39 of 100 (Notable)
Amite	United States	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
Miller	United States	Record low minimum temperature	7.2 C (45.0 F)	39 of 100 (Notable)
Knoxville AP	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Chippewa Lake	United States	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Uniontown 1 NE	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Americus	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Estancia 4N	United States	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,183 records

Records set or tied on 18 August 2000 by type: Highest daily maximum 297, Lowest daily maximum 200, Highest daily minimum 161, Lowest daily minimum 361, Heaviest daily rainfall 163, Deepest snow cover 1.

Records on 18 August 2000 by type
Record type	Records
Highest daily maximum	297
Lowest daily maximum	200
Highest daily minimum	161
Lowest daily minimum	361
Heaviest daily rainfall	163
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 18 August 2000 by timescale: all-time 8, monthly 78, daily 1,097.

How Much Records Were Beaten By

783 broken records

Margins by which the 783 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 August 2000

Top 20 records on 18 August 2000 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 2000	Greencastle 1 W, US	daily rain	77.7 mm (3.1 in)	51.0 mm (2.0 in)	94 years	71 of 100 (Major)
18 August 2000	Mayen, DE	daily rain	33.2 mm (1.3 in)	21.6 mm (0.9 in)	64 years	63 of 100 (Major)
18 August 2000	Rockville, US	daily rain	60.5 mm (2.4 in)	34.8 mm (1.4 in)	99 years	61 of 100 (Major)
18 August 2000	Marysville, US	daily rain	46.2 mm (1.8 in)	30.7 mm (1.2 in)	74 years	56 of 100 (Notable)
18 August 2000	Saint Johns, US	daily low max	17.2 C (63.0 F)	5.0 C (9.0 F)	103 years	53 of 100 (Notable)
18 August 2000	Fence Lake, US	daily rain	33.0 mm (1.3 in)	27.4 mm (1.1 in)	24 years	53 of 100 (Notable)
18 August 2000	Golden, US	daily rain	72.4 mm (2.9 in)	33.8 mm (1.3 in)	59 years	50 of 100 (Notable)
18 August 2000	Tyumen Amsg, RU	daily rain	49.2 mm (1.9 in)	34.3 mm (1.4 in)	10 years	49 of 100 (Notable)
18 August 2000	Falmouth, US	daily rain	43.7 mm (1.7 in)	14.2 mm (0.6 in)	94 years	49 of 100 (Notable)
18 August 2000	Covington 8 WNW, US	daily high max	39.4 C (102.9 F)	2.2 C (4.0 F)	98 years	49 of 100 (Notable)
18 August 2000	Cardenas, MX	daily low max	24.4 C (75.9 F)	5.6 C (10.1 F)	37 years	47 of 100 (Notable)
18 August 2000	Rico, US	monthly snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	52 years	47 of 100 (Notable)
18 August 2000	Monticello Muni AP, US	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	113 years	47 of 100 (Notable)
18 August 2000	Paoli, US	daily rain	63.5 mm (2.5 in)	15.0 mm (0.6 in)	87 years	46 of 100 (Notable)
18 August 2000	Villa Purificacion (Dge), MX	daily high max	40.0 C (104.0 F)	5.0 C (9.0 F)	43 years	45 of 100 (Notable)
18 August 2000	W Pt, US	daily high max	38.9 C (102.0 F)	2.2 C (4.0 F)	92 years	45 of 100 (Notable)
18 August 2000	Prospect, US	daily rain	36.8 mm (1.4 in)	16.5 mm (0.6 in)	79 years	45 of 100 (Notable)
18 August 2000	Hiram, US	daily low max	15.0 C (59.0 F)	4.4 C (7.9 F)	76 years	44 of 100 (Notable)
18 August 2000	San Pedro del Gallo (Smn), MX	daily low min	5.0 C (41.0 F)	5.0 C (9.0 F)	53 years	43 of 100 (Notable)
18 August 2000	Xicatlacotla (Cfe), MX	daily low min	12.8 C (55.0 F)	3.9 C (7.0 F)	28 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

1797 to 2000

Records set or tied on this calendar date in each year from 1797 to 2000. 2000 had 1,183 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 2000-08-18: 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 2026-10-15 (15 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	765
20 to 40	13
40 to 60	4
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1