Weather Records on 18 July 1993

1,013 weather records were set or tied worldwide on 18 July 1993. Highest significance: Baraboo Wwtp, US.

Key Facts for 18 July 1993

On 18 July 1993, 1,013 weather records were set or tied at long-record stations worldwide.
332 were record highs and 414 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 24 monthly and 983 daily.
Baraboo Wwtp set an all-time record daily precipitation of 197.6 mm (7.8 in) on 18 July 1993.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 458 records.

Record Map

1,013 stations

1,013 station records on 18 July 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baraboo Wwtp	United States	Record daily precipitation	197.6 mm (7.8 in)	81 of 100 (Exceptional)
Manhattan	United States	Record daily precipitation	122.2 mm (4.8 in)	71 of 100 (Major)
Nullarbor	Australia	Record daily precipitation	34.6 mm (1.4 in)	67 of 100 (Major)
Aksakovo	Russia	Record daily precipitation	79.0 mm (3.1 in)	66 of 100 (Major)
Jodhpur	India	Record daily precipitation	141.0 mm (5.6 in)	61 of 100 (Major)
Mattoon	United States	Record daily precipitation	53.3 mm (2.1 in)	56 of 100 (Notable)
Marysville	United States	Record daily precipitation	103.9 mm (4.1 in)	53 of 100 (Notable)
Sterling	United States	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Alton 1 W	United States	Record daily precipitation	58.4 mm (2.3 in)	52 of 100 (Notable)
Leoti	United States	Record daily precipitation	49.5 mm (1.9 in)	52 of 100 (Notable)
Sandpoint Exp STN	United States	Record daily precipitation	27.4 mm (1.1 in)	51 of 100 (Notable)
Harlan Co Lake	United States	Record daily precipitation	127.3 mm (5.0 in)	51 of 100 (Notable)
Postville	United States	Record daily precipitation	65.8 mm (2.6 in)	50 of 100 (Notable)
Blue Rapids	United States	Record daily precipitation	65.8 mm (2.6 in)	50 of 100 (Notable)
Thornlea	South Africa	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Shelbyville 1 E	United States	Record daily precipitation	63.5 mm (2.5 in)	49 of 100 (Notable)
Orleans 2 W	United States	Record daily precipitation	99.1 mm (3.9 in)	49 of 100 (Notable)
Cascade	United States	Record daily precipitation	94.7 mm (3.7 in)	48 of 100 (Notable)
Mankato	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Ekalaka	United States	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Metten	Germany	Record daily precipitation	66.6 mm (2.6 in)	47 of 100 (Notable)
Upington Agr.	South Africa	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Burr Oak 4S	United States	Record daily precipitation	49.5 mm (1.9 in)	47 of 100 (Notable)
Curtis	United States	Record low maximum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Kimball 2NE	United States	Record low maximum temperature	18.3 C (64.9 F)	47 of 100 (Notable)
Syracuse	United States	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Grobelershoop (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	46 of 100 (Notable)
Hudson	United States	Record daily precipitation	104.1 mm (4.1 in)	46 of 100 (Notable)
Larned	United States	Record daily precipitation	78.0 mm (3.1 in)	46 of 100 (Notable)
Naponee	United States	Record daily precipitation	113.8 mm (4.5 in)	46 of 100 (Notable)
El Puerto	Mexico	Record daily precipitation	56.9 mm (2.2 in)	45 of 100 (Notable)
Wray	United States	Record low maximum temperature	20.0 C (68.0 F)	45 of 100 (Notable)
Wakeeney	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Leroy 5 WSW	United States	Record low maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Saint Anthony	United States	Record low minimum temperature	0.0 C (32.0 F)	44 of 100 (Notable)
Jewell	United States	Record daily precipitation	67.8 mm (2.7 in)	44 of 100 (Notable)
Scandia	United States	Record daily precipitation	77.2 mm (3.0 in)	44 of 100 (Notable)
Chaoyang	China	Record daily precipitation	87.5 mm (3.4 in)	43 of 100 (Notable)
White City	United States	Record daily precipitation	104.1 mm (4.1 in)	43 of 100 (Notable)
Burdett 3S	United States	Record daily precipitation	65.5 mm (2.6 in)	42 of 100 (Notable)
Colfax	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Mugur-Aksy	Russia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Holyoke	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Washington	United States	Record daily precipitation	80.8 mm (3.2 in)	41 of 100 (Notable)
Tenosique (Smn)	Mexico	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Bezenchuk	Russia	Record daily precipitation	71.8 mm (2.8 in)	40 of 100 (Notable)
Covington	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Fruitland	United States	Record low minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Stephan 2 NW	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	60.2 mm (2.4 in)	40 of 100 (Notable)
Albany 3 SE	United States	Record low minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Caldwell	United States	Record low minimum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Belleville	United States	Record daily precipitation	86.6 mm (3.4 in)	39 of 100 (Notable)
Laurel	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Purdum	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Ballyshannon (Cathleens Fall)	Ireland	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
San Bartolo	Mexico	Record low minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Dubois Exp STN	United States	Record low minimum temperature	3.3 C (37.9 F)	38 of 100 (Notable)
Red Lake Indian Agcy	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Kearney 4 NE	United States	Record daily precipitation	72.1 mm (2.8 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,013 records

Records set or tied on 18 July 1993 by type: Highest daily maximum 99, Lowest daily maximum 190, Highest daily minimum 233, Lowest daily minimum 224, Heaviest daily rainfall 267.

Records on 18 July 1993 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	190
Highest daily minimum	233
Lowest daily minimum	224
Heaviest daily rainfall	267
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1993 by timescale: all-time 6, monthly 24, daily 983.

How Much Records Were Beaten By

711 broken records

Margins by which the 711 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.1. Ties are not counted.

Top 20 by Significance

18 July 1993

Top 20 records on 18 July 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1993	Baraboo Wwtp, US	all-time rain	197.6 mm (7.8 in)	66.5 mm (2.6 in)	36 years	81 of 100 (Exceptional)
18 July 1993	Manhattan, US	daily rain	122.2 mm (4.8 in)	55.4 mm (2.2 in)	96 years	71 of 100 (Major)
18 July 1993	Nullarbor, AU	daily rain	34.6 mm (1.4 in)	26.0 mm (1.0 in)	59 years	67 of 100 (Major)
18 July 1993	Aksakovo, RU	all-time rain	79.0 mm (3.1 in)	20.1 mm (0.8 in)	39 years	66 of 100 (Major)
18 July 1993	Jodhpur, IN	daily rain	141.0 mm (5.6 in)	75.5 mm (3.0 in)	44 years	61 of 100 (Major)
18 July 1993	Mattoon, US	daily rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	90 years	56 of 100 (Notable)
18 July 1993	Marysville, US	daily rain	103.9 mm (4.1 in)	68.3 mm (2.7 in)	43 years	53 of 100 (Notable)
18 July 1993	Sterling, US	daily rain	66.0 mm (2.6 in)	20.3 mm (0.8 in)	99 years	53 of 100 (Notable)
18 July 1993	Alton 1 W, US	daily rain	58.4 mm (2.3 in)	34.3 mm (1.4 in)	64 years	52 of 100 (Notable)
18 July 1993	Leoti, US	daily rain	49.5 mm (1.9 in)	23.8 mm (0.9 in)	68 years	52 of 100 (Notable)
18 July 1993	Sandpoint Exp STN, US	daily rain	27.4 mm (1.1 in)	11.7 mm (0.5 in)	76 years	51 of 100 (Notable)
18 July 1993	Harlan Co Lake, US	daily rain	127.3 mm (5.0 in)	96.1 mm (3.8 in)	6 years	51 of 100 (Notable)
18 July 1993	Postville, US	daily rain	65.8 mm (2.6 in)	41.4 mm (1.6 in)	52 years	50 of 100 (Notable)
18 July 1993	Blue Rapids, US	daily rain	65.8 mm (2.6 in)	35.3 mm (1.4 in)	72 years	50 of 100 (Notable)
18 July 1993	Thornlea, ZA	daily rain	25.0 mm (1.0 in)	16.1 mm (0.6 in)	55 years	49 of 100 (Notable)
18 July 1993	Shelbyville 1 E, US	daily rain	63.5 mm (2.5 in)	40.6 mm (1.6 in)	40 years	49 of 100 (Notable)
18 July 1993	Orleans 2 W, US	daily rain	99.1 mm (3.9 in)	62.8 mm (2.5 in)	6 years	49 of 100 (Notable)
18 July 1993	Cascade, US	daily rain	94.7 mm (3.7 in)	67.5 mm (2.7 in)	16 years	48 of 100 (Notable)
18 July 1993	Mankato, US	daily rain	58.4 mm (2.3 in)	43.7 mm (1.7 in)	22 years	48 of 100 (Notable)
18 July 1993	Ekalaka, US	daily rain	46.5 mm (1.8 in)	9.7 mm (0.38 in)	91 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

1793 to 1993

Records set or tied on this calendar date in each year from 1793 to 1993. 1993 had 1,013 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 1993-07-18: 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	647
20 to 40	43
40 to 60	14
60 to 80	5
80 to 100	2