Weather Records on 18 July 1997

785 weather records were set or tied worldwide on 18 July 1997. Highest significance: Jena Sternwarte, DE.

Key Facts for 18 July 1997

On 18 July 1997, 785 weather records were set or tied at long-record stations worldwide.
384 were record highs and 161 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 23 monthly and 753 daily.
Jena Sternwarte set an all-time record daily precipitation of 110.0 mm (4.3 in) on 18 July 1997.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

785 stations

785 station records on 18 July 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jena Sternwarte	Germany	Record daily precipitation	110.0 mm (4.3 in)	100 of 100 (Exceptional)
Ralston	United States	Record daily precipitation	181.6 mm (7.1 in)	71 of 100 (Major)
Valsjon	Sweden	Record daily precipitation	70.5 mm (2.8 in)	69 of 100 (Major)
Buras	United States	Record daily precipitation	177.8 mm (7.0 in)	67 of 100 (Major)
Westby	United States	Record daily precipitation	57.7 mm (2.3 in)	63 of 100 (Major)
Weimar	Germany	Record daily precipitation	50.0 mm (2.0 in)	61 of 100 (Major)
Prague 2W	United States	Record daily precipitation	106.9 mm (4.2 in)	57 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	70.0 mm (2.8 in)	55 of 100 (Notable)
Beach	United States	Record daily precipitation	36.8 mm (1.4 in)	53 of 100 (Notable)
Little Port Walter	United States	Record daily precipitation	135.6 mm (5.3 in)	53 of 100 (Notable)
Janiskoski	Russia	Record daily precipitation	43.3 mm (1.7 in)	52 of 100 (Notable)
Shawnee	United States	Record daily precipitation	68.1 mm (2.7 in)	52 of 100 (Notable)
Bajramaly	Turkmenistan	Record high minimum temperature	30.0 C (86.0 F)	51 of 100 (Notable)
Pensacola Rgnl AP	United States	Record daily precipitation	127.0 mm (5.0 in)	50 of 100 (Notable)
La Tinaja	Mexico	Record daily precipitation	74.9 mm (2.9 in)	46 of 100 (Notable)
Lorch/Rhein	Germany	Record daily precipitation	30.1 mm (1.2 in)	44 of 100 (Notable)
Malexander	Sweden	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	57.9 mm (2.3 in)	44 of 100 (Notable)
Hambantota	Sri Lanka	Record high minimum temperature	26.6 C (79.9 F)	43 of 100 (Notable)
Ayutla	Mexico	Record low minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Tecolotlan (Dge)	Mexico	Record daily precipitation	64.8 mm (2.6 in)	43 of 100 (Notable)
Colstrip	United States	Record daily precipitation	29.2 mm (1.1 in)	43 of 100 (Notable)
Stotten	Germany	Record daily precipitation	46.3 mm (1.8 in)	42 of 100 (Notable)
Opheim 12 SSE	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Washington Wwtp 4W	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Enid	United States	Record daily precipitation	37.3 mm (1.5 in)	42 of 100 (Notable)
Brocken	Germany	Record daily precipitation	57.3 mm (2.3 in)	41 of 100 (Notable)
Gyshgy	Turkmenistan	Record high maximum temperature	42.4 C (108.3 F)	41 of 100 (Notable)
Decker	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Canon City	United States	Record high maximum temperature	37.2 C (99.0 F)	40 of 100 (Notable)
Jefferson 3SE	United States	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Acambaro	Mexico	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Dzhikimda	Russia	Record daily precipitation	36.5 mm (1.4 in)	39 of 100 (Notable)
Fagersta	Sweden	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Frederick Police Brks	United States	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
McDermitt	United States	Record low maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Ft Duchesne	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Northam	Australia	Record low minimum temperature	-2.3 C (27.9 F)	38 of 100 (Notable)
Tlacotepec	Mexico	Record daily precipitation	68.6 mm (2.7 in)	38 of 100 (Notable)
Ust-Ozernoe	Russia	Record daily precipitation	36.9 mm (1.5 in)	38 of 100 (Notable)
Yangjiang	China	Record daily precipitation	155.8 mm (6.1 in)	37 of 100 (Notable)
Bay Minette	United States	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Pawnee	United States	Record daily precipitation	120.7 mm (4.8 in)	37 of 100 (Notable)
Perkins	United States	Record daily precipitation	80.0 mm (3.1 in)	37 of 100 (Notable)
Ballina (Crowley Village)	Australia	Record daily precipitation	39.0 mm (1.5 in)	36 of 100 (Notable)
Passau-Maierhof	Germany	Record daily precipitation	41.8 mm (1.6 in)	36 of 100 (Notable)
Puerto de la Concepcion	Mexico	Record daily precipitation	64.3 mm (2.5 in)	36 of 100 (Notable)
Pensacola Forest Sherman NAS	United States	Record daily precipitation	78.0 mm (3.1 in)	36 of 100 (Notable)
Leipzig-Schkeuditz	Germany	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Zharkent	Kazakhstan	Record high maximum temperature	40.3 C (104.5 F)	35 of 100 (Notable)
Stephan 2 NW	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Manti	United States	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Tamdy	Uzbekistan	Record high minimum temperature	32.1 C (89.8 F)	35 of 100 (Notable)
Bridgetown Comparison	Australia	Record low minimum temperature	-2.0 C (28.4 F)	34 of 100 (Routine)
Rio Dos Patos	Brazil	Record daily precipitation	91.2 mm (3.6 in)	34 of 100 (Routine)
El Nogal	Mexico	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Sulak	Russia	Record daily precipitation	53.5 mm (2.1 in)	34 of 100 (Routine)
Bajramaly	Turkmenistan	Record high maximum temperature	45.9 C (114.6 F)	34 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	44.6 C (112.3 F)	34 of 100 (Routine)
Hornisgrinde	Germany	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)

Counts by Type and Timescale

785 records

Records set or tied on 18 July 1997 by type: Highest daily maximum 186, Lowest daily maximum 64, Highest daily minimum 198, Lowest daily minimum 97, Heaviest daily rainfall 240.

Records on 18 July 1997 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	64
Highest daily minimum	198
Lowest daily minimum	97
Heaviest daily rainfall	240
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1997 by timescale: all-time 9, monthly 23, daily 753.

How Much Records Were Beaten By

560 broken records

Margins by which the 560 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.6. Ties are not counted.

Top 20 by Significance

18 July 1997

Top 20 records on 18 July 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1997	Jena Sternwarte, DE	all-time rain	110.0 mm (4.3 in)	35.0 mm (1.4 in)	131 years	100 of 100 (Exceptional)
18 July 1997	Ralston, US	monthly rain	181.6 mm (7.1 in)	80.0 mm (3.1 in)	47 years	71 of 100 (Major)
18 July 1997	Valsjon, SE	all-time rain	70.5 mm (2.8 in)	26.5 mm (1.0 in)	18 years	69 of 100 (Major)
18 July 1997	Buras, US	monthly rain	177.8 mm (7.0 in)	83.6 mm (3.3 in)	42 years	67 of 100 (Major)
18 July 1997	Westby, US	daily rain	57.7 mm (2.3 in)	43.0 mm (1.7 in)	59 years	63 of 100 (Major)
18 July 1997	Weimar, DE	daily rain	50.0 mm (2.0 in)	21.4 mm (0.8 in)	67 years	61 of 100 (Major)
18 July 1997	Prague 2W, US	daily rain	106.9 mm (4.2 in)	86.6 mm (3.4 in)	40 years	57 of 100 (Notable)
18 July 1997	Durban-Botanical Gardens, ZA	daily rain	70.0 mm (2.8 in)	24.5 mm (1.0 in)	92 years	55 of 100 (Notable)
18 July 1997	Beach, US	daily rain	36.8 mm (1.4 in)	22.1 mm (0.9 in)	55 years	53 of 100 (Notable)
18 July 1997	Little Port Walter, US	daily rain	135.6 mm (5.3 in)	83.8 mm (3.3 in)	36 years	53 of 100 (Notable)
18 July 1997	Janiskoski, RU	daily rain	43.3 mm (1.7 in)	33.6 mm (1.3 in)	31 years	52 of 100 (Notable)
18 July 1997	Shawnee, US	daily rain	68.1 mm (2.7 in)	46.8 mm (1.8 in)	47 years	52 of 100 (Notable)
18 July 1997	Bajramaly, TM	all-time high min	30.0 C (86.0 F)	0.4 C (0.7 F)	67 years	51 of 100 (Notable)
18 July 1997	Pensacola Rgnl AP, US	daily rain	127.0 mm (5.0 in)	81.0 mm (3.2 in)	18 years	50 of 100 (Notable)
18 July 1997	La Tinaja, MX	daily rain	74.9 mm (2.9 in)	51.0 mm (2.0 in)	15 years	46 of 100 (Notable)
18 July 1997	Lorch/Rhein, DE	daily rain	30.1 mm (1.2 in)	17.5 mm (0.7 in)	40 years	44 of 100 (Notable)
18 July 1997	Malexander, SE	daily rain	33.8 mm (1.3 in)	21.0 mm (0.8 in)	36 years	44 of 100 (Notable)
18 July 1997	Okmulgee Wtr Wks, US	daily rain	57.9 mm (2.3 in)	44.9 mm (1.8 in)	36 years	44 of 100 (Notable)
18 July 1997	Hambantota, LK	daily high min	26.6 C (79.9 F)	0.4 C (0.7 F)	99 years	43 of 100 (Notable)
18 July 1997	Ayutla, MX	daily low min	15.6 C (60.1 F)	3.3 C (5.9 F)	36 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

1793 to 1997

Records set or tied on this calendar date in each year from 1793 to 1997. 1997 had 785 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 1997-07-18: 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	522
20 to 40	24
40 to 60	8
60 to 80	1
80 to 100	5