Weather Records on 18 July 2021

676 weather records were set or tied worldwide on 18 July 2021. Highest significance: Liafoss, NO.

Key Facts for 18 July 2021

On 18 July 2021, 676 weather records were set or tied at long-record stations worldwide.
407 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 15 monthly and 657 daily.
Liafoss set a daily record precipitation of 61.5 mm (2.4 in) on 18 July 2021.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

676 stations

676 station records on 18 July 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Liafoss	Norway	Record daily precipitation	61.5 mm (2.4 in)	76 of 100 (Major)
Waynesboro 2 W	United States	Record daily precipitation	104.4 mm (4.1 in)	73 of 100 (Major)
Chitradurga	India	Record daily precipitation	55.1 mm (2.2 in)	68 of 100 (Major)
Flemington 5 NNW	United States	Record daily precipitation	93.5 mm (3.7 in)	68 of 100 (Major)
Ft Smith Rgnl AP	United States	Record daily precipitation	100.3 mm (3.9 in)	65 of 100 (Major)
Bachu	China	Record daily precipitation	29.7 mm (1.2 in)	61 of 100 (Major)
Kosciusko	United States	Record daily precipitation	63.2 mm (2.5 in)	61 of 100 (Major)
Keene	United States	Record daily precipitation	103.1 mm (4.1 in)	60 of 100 (Major)
Subiaco	United States	Record daily precipitation	112.5 mm (4.4 in)	59 of 100 (Notable)
Newark	United States	Record daily precipitation	45.7 mm (1.8 in)	57 of 100 (Notable)
Lowville	United States	Record daily precipitation	65.0 mm (2.6 in)	56 of 100 (Notable)
Cairo 3N	United States	Record daily precipitation	80.3 mm (3.2 in)	56 of 100 (Notable)
Titusville Wtr Wks	United States	Record daily precipitation	73.9 mm (2.9 in)	55 of 100 (Notable)
Bolivar 1 NE	United States	Record daily precipitation	112.3 mm (4.4 in)	54 of 100 (Notable)
Pecs Pogany	Hungary	Record daily precipitation	38.6 mm (1.5 in)	53 of 100 (Notable)
Whitesville 1N	United States	Record daily precipitation	80.0 mm (3.1 in)	53 of 100 (Notable)
Nashville Intl AP	United States	Record daily precipitation	63.5 mm (2.5 in)	53 of 100 (Notable)
Amherst	United States	Record daily precipitation	73.9 mm (2.9 in)	51 of 100 (Notable)
Ratcliff	United States	Record daily precipitation	124.5 mm (4.9 in)	50 of 100 (Notable)
Ft Lauderdale	United States	Record low minimum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Cape Girardeau Muni AP	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	95.3 mm (3.8 in)	49 of 100 (Notable)
Goulburn (Pomeroy)	Australia	Record daily precipitation	28.8 mm (1.1 in)	47 of 100 (Notable)
Surry Mtn Lake	United States	Record daily precipitation	67.1 mm (2.6 in)	47 of 100 (Notable)
N'Guigni	Niger	Record daily precipitation	70.1 mm (2.8 in)	46 of 100 (Notable)
Southbridge 3 SW	United States	Record daily precipitation	61.5 mm (2.4 in)	45 of 100 (Notable)
Wellsville	United States	Record daily precipitation	45.7 mm (1.8 in)	45 of 100 (Notable)
Rutland	United States	Record low maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Shimizu	Japan	Record daily precipitation	218.9 mm (8.6 in)	44 of 100 (Notable)
Des Arc	United States	Record daily precipitation	57.2 mm (2.3 in)	44 of 100 (Notable)
Canton 4N	United States	Record low maximum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Hooker 12 NNW	United States	Record daily precipitation	70.1 mm (2.8 in)	44 of 100 (Notable)
Tg Jiu	Romania	Record high minimum temperature	21.8 C (71.2 F)	43 of 100 (Notable)
Climax	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Avon	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Brockport	United States	Record low maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Sodus 1W	United States	Record low maximum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Lebanon 7 N	United States	Record daily precipitation	49.8 mm (2.0 in)	43 of 100 (Notable)
Sidney	United States	Record high maximum temperature	38.9 C (102.0 F)	42 of 100 (Notable)
Waverly	United States	Record low maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Fillmore	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Avon	United States	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
N Tonawanda	United States	Record daily precipitation	65.3 mm (2.6 in)	41 of 100 (Notable)
Port Allegany	United States	Record daily precipitation	85.9 mm (3.4 in)	41 of 100 (Notable)
Graz	Austria	Record high minimum temperature	20.4 C (68.7 F)	40 of 100 (Notable)
Tbilisi	Georgia	Record high maximum temperature	37.7 C (99.9 F)	40 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	59.9 mm (2.4 in)	40 of 100 (Notable)
Visby_Flygplats	Sweden	Record high minimum temperature	18.7 C (65.7 F)	40 of 100 (Notable)
Red Lodge	United States	Record high minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Aurora Rsch Farm	United States	Record daily precipitation	36.8 mm (1.4 in)	40 of 100 (Notable)
Dansville	United States	Record low maximum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Lowville	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Skaneateles	United States	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Elk City 4 W	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Kremsmuenster	Austria	Record daily precipitation	55.0 mm (2.2 in)	39 of 100 (Notable)
Glen Hazel 2 NE Dam	United States	Record daily precipitation	50.5 mm (2.0 in)	39 of 100 (Notable)
Dutch Harbor	United States	Record high maximum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Greene	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Crossville Mem AP	United States	Record daily precipitation	69.9 mm (2.8 in)	38 of 100 (Notable)
Albany Intl AP	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

676 records

Records set or tied on 18 July 2021 by type: Highest daily maximum 205, Lowest daily maximum 47, Highest daily minimum 202, Lowest daily minimum 12, Heaviest daily rainfall 210.

Records on 18 July 2021 by type
Record type	Records
Highest daily maximum	205
Lowest daily maximum	47
Highest daily minimum	202
Lowest daily minimum	12
Heaviest daily rainfall	210
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 2021 by timescale: all-time 4, monthly 15, daily 657.

How Much Records Were Beaten By

557 broken records

Margins by which the 557 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.0. Ties are not counted.

Top 20 by Significance

18 July 2021

Top 20 records on 18 July 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 2021	Liafoss, NO	daily rain	61.5 mm (2.4 in)	35.2 mm (1.4 in)	88 years	76 of 100 (Major)
18 July 2021	Waynesboro 2 W, US	daily rain	104.4 mm (4.1 in)	56.9 mm (2.2 in)	92 years	73 of 100 (Major)
18 July 2021	Chitradurga, IN	daily rain	55.1 mm (2.2 in)	43.3 mm (1.7 in)	60 years	68 of 100 (Major)
18 July 2021	Flemington 5 NNW, US	daily rain	93.5 mm (3.7 in)	42.4 mm (1.7 in)	118 years	68 of 100 (Major)
18 July 2021	Ft Smith Rgnl AP, US	daily rain	100.3 mm (3.9 in)	83.5 mm (3.3 in)	62 years	65 of 100 (Major)
18 July 2021	Bachu, CN	daily rain	29.7 mm (1.2 in)	21.0 mm (0.8 in)	50 years	61 of 100 (Major)
18 July 2021	Kosciusko, US	daily rain	63.2 mm (2.5 in)	34.0 mm (1.3 in)	126 years	61 of 100 (Major)
18 July 2021	Keene, US	monthly rain	103.1 mm (4.1 in)	11.7 mm (0.5 in)	106 years	60 of 100 (Major)
18 July 2021	Subiaco, US	daily rain	112.5 mm (4.4 in)	58.4 mm (2.3 in)	32 years	59 of 100 (Notable)
18 July 2021	Newark, US	daily rain	45.7 mm (1.8 in)	22.8 mm (0.9 in)	79 years	57 of 100 (Notable)
18 July 2021	Lowville, US	daily rain	65.0 mm (2.6 in)	16.7 mm (0.7 in)	100 years	56 of 100 (Notable)
18 July 2021	Cairo 3N, US	daily rain	80.3 mm (3.2 in)	46.5 mm (1.8 in)	52 years	56 of 100 (Notable)
18 July 2021	Titusville Wtr Wks, US	daily rain	73.9 mm (2.9 in)	46.0 mm (1.8 in)	39 years	55 of 100 (Notable)
18 July 2021	Bolivar 1 NE, US	daily rain	112.3 mm (4.4 in)	27.5 mm (1.1 in)	99 years	54 of 100 (Notable)
18 July 2021	Pecs Pogany, HU	daily rain	38.6 mm (1.5 in)	17.4 mm (0.7 in)	80 years	53 of 100 (Notable)
18 July 2021	Whitesville 1N, US	daily rain	80.0 mm (3.1 in)	50.3 mm (2.0 in)	26 years	53 of 100 (Notable)
18 July 2021	Nashville Intl AP, US	daily rain	63.5 mm (2.5 in)	45.7 mm (1.8 in)	36 years	53 of 100 (Notable)
18 July 2021	Amherst, US	daily rain	73.9 mm (2.9 in)	21.3 mm (0.8 in)	83 years	51 of 100 (Notable)
18 July 2021	Ratcliff, US	monthly rain	124.5 mm (4.9 in)	27.7 mm (1.1 in)	60 years	50 of 100 (Notable)
18 July 2021	Ft Lauderdale, US	daily low min	18.3 C (64.9 F)	1.7 C (3.1 F)	104 years	50 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 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 676 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 2021-07-18: 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 2026-10-17 (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	514
20 to 40	25
40 to 60	13
60 to 80	2
80 to 100	3