Weather Records on 17 July 1997

816 weather records were set or tied worldwide on 17 July 1997. Highest significance: Xuzhou, CN.

Key Facts for 17 July 1997

On 17 July 1997, 816 weather records were set or tied at long-record stations worldwide.
414 were record highs and 183 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 15 monthly and 792 daily.
Xuzhou set an all-time record daily precipitation of 315.4 mm (12.4 in) on 17 July 1997.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

816 stations

816 station records on 17 July 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Xuzhou	China	Record daily precipitation	315.4 mm (12.4 in)	62 of 100 (Major)
The Valleys	South Africa	Record daily precipitation	80.0 mm (3.1 in)	59 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record daily precipitation	94.2 mm (3.7 in)	59 of 100 (Notable)
Oak City	United States	Record high minimum temperature	28.3 C (82.9 F)	56 of 100 (Notable)
Flensburg (Schaferhaus)	Germany	Record daily precipitation	43.4 mm (1.7 in)	54 of 100 (Notable)
Ponca City Muni AP	United States	Record daily precipitation	117.6 mm (4.6 in)	54 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	42.0 mm (1.7 in)	52 of 100 (Notable)
Hastings Dam 2	United States	Record daily precipitation	83.3 mm (3.3 in)	52 of 100 (Notable)
Milan	Italy	Record daily precipitation	66.6 mm (2.6 in)	51 of 100 (Notable)
Westerland	Germany	Record daily precipitation	35.2 mm (1.4 in)	49 of 100 (Notable)
Khorog	Tajikistan	Record high maximum temperature	38.6 C (101.5 F)	49 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record low minimum temperature	7.8 C (46.0 F)	47 of 100 (Notable)
Monticello	United States	Record daily precipitation	71.1 mm (2.8 in)	47 of 100 (Notable)
Tottori	Japan	Record daily precipitation	144.0 mm (5.7 in)	46 of 100 (Notable)
Molino Blanco	Mexico	Record daily precipitation	53.8 mm (2.1 in)	46 of 100 (Notable)
Erfurt-Bindersleben	Germany	Record daily precipitation	37.2 mm (1.5 in)	45 of 100 (Notable)
Boxian	China	Record daily precipitation	285.3 mm (11.2 in)	44 of 100 (Notable)
Bele (Bos)	South Africa	Record daily precipitation	70.0 mm (2.8 in)	44 of 100 (Notable)
Yerington	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Lumberton	United States	Record daily precipitation	90.2 mm (3.6 in)	44 of 100 (Notable)
List/Sylt	Germany	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Cottonwood Weir	United States	Record high minimum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record daily precipitation	35.2 mm (1.4 in)	42 of 100 (Notable)
Ubachsberg	Netherlands	Record daily precipitation	39.6 mm (1.6 in)	42 of 100 (Notable)
Buena Vista STN	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Buckingham	United States	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Metten	Germany	Record daily precipitation	32.3 mm (1.3 in)	40 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	26.6 C (79.9 F)	40 of 100 (Notable)
Brockton	United States	Record high maximum temperature	36.1 C (97.0 F)	40 of 100 (Notable)
Ralston	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Udon Thani	Thailand	Record daily precipitation	69.1 mm (2.7 in)	39 of 100 (Notable)
Manistique Wwtp	United States	Record high maximum temperature	30.6 C (87.1 F)	39 of 100 (Notable)
Evanston 1 E	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Kwa-Mbonambi (Bos)	South Africa	Record daily precipitation	82.7 mm (3.3 in)	38 of 100 (Notable)
San Carlos Rsvr	United States	Record high maximum temperature	43.3 C (109.9 F)	38 of 100 (Notable)
Buffalo Bill Dam	United States	Record low minimum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Tecolutla	Mexico	Record high maximum temperature	38.9 C (102.0 F)	37 of 100 (Notable)
Mkambati	South Africa	Record daily precipitation	43.1 mm (1.7 in)	37 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
Northam	Australia	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Vanzil-Kynak	Russia	Record daily precipitation	25.7 mm (1.0 in)	36 of 100 (Notable)
Paonia 1SW	United States	Record high maximum temperature	37.2 C (99.0 F)	36 of 100 (Notable)
Burbank	United States	Record daily precipitation	152.4 mm (6.0 in)	36 of 100 (Notable)
Holland 1 E	United States	Record daily precipitation	80.0 mm (3.1 in)	36 of 100 (Notable)
Sparta	United States	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Vila Canoas	Brazil	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Passo Caru	Brazil	Record daily precipitation	78.7 mm (3.1 in)	35 of 100 (Notable)
Lensahn	Germany	Record daily precipitation	46.1 mm (1.8 in)	35 of 100 (Notable)
Ntsubane (Bos)	South Africa	Record daily precipitation	56.0 mm (2.2 in)	35 of 100 (Notable)
Barnsdall	United States	Record daily precipitation	55.6 mm (2.2 in)	35 of 100 (Notable)
San Felipe	Mexico	Record high minimum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	15.1 C (59.2 F)	34 of 100 (Routine)
Clover Valley	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Morgan	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Bridgetown Comparison	Australia	Record low minimum temperature	-2.7 C (27.1 F)	33 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Cerro de Ortega	Mexico	Record low minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Nordoyan Fyr	Norway	Record high minimum temperature	17.1 C (62.8 F)	33 of 100 (Routine)
Naggen	Sweden	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Schleswig	Germany	Record daily precipitation	31.3 mm (1.2 in)	32 of 100 (Routine)

Counts by Type and Timescale

816 records

Records set or tied on 17 July 1997 by type: Highest daily maximum 217, Lowest daily maximum 75, Highest daily minimum 197, Lowest daily minimum 108, Heaviest daily rainfall 219.

Records on 17 July 1997 by type
Record type	Records
Highest daily maximum	217
Lowest daily maximum	75
Highest daily minimum	197
Lowest daily minimum	108
Heaviest daily rainfall	219
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1997 by timescale: all-time 9, monthly 15, daily 792.

How Much Records Were Beaten By

571 broken records

Margins by which the 571 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.0. Ties are not counted.

Top 20 by Significance

17 July 1997

Top 20 records on 17 July 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1997	Xuzhou, CN	all-time rain	315.4 mm (12.4 in)	89.9 mm (3.5 in)	14 years	62 of 100 (Major)
17 July 1997	The Valleys, ZA	daily rain	80.0 mm (3.1 in)	77.5 mm (3.1 in)	44 years	59 of 100 (Notable)
17 July 1997	Minneapolis-St Paul Intl AP, US	daily rain	94.2 mm (3.7 in)	62.7 mm (2.5 in)	44 years	59 of 100 (Notable)
17 July 1997	Oak City, US	all-time high min	28.3 C (82.9 F)	1.6 C (2.9 F)	78 years	56 of 100 (Notable)
17 July 1997	Flensburg (Schaferhaus), DE	daily rain	43.4 mm (1.7 in)	29.7 mm (1.2 in)	36 years	54 of 100 (Notable)
17 July 1997	Ponca City Muni AP, US	daily rain	117.6 mm (4.6 in)	72.1 mm (2.8 in)	36 years	54 of 100 (Notable)
17 July 1997	Durban-Botanical Gardens, ZA	daily rain	42.0 mm (1.7 in)	16.1 mm (0.6 in)	105 years	52 of 100 (Notable)
17 July 1997	Hastings Dam 2, US	daily rain	83.3 mm (3.3 in)	50.0 mm (2.0 in)	24 years	52 of 100 (Notable)
17 July 1997	Milan, IT	daily rain	66.6 mm (2.6 in)	14.6 mm (0.6 in)	100 years	51 of 100 (Notable)
17 July 1997	Westerland, DE	daily rain	35.2 mm (1.4 in)	21.3 mm (0.8 in)	18 years	49 of 100 (Notable)
17 July 1997	Khorog, TJ	all-time high max	38.6 C (101.5 F)	0.4 C (0.7 F)	67 years	49 of 100 (Notable)
17 July 1997	San Rafael-Civic Ctr, US	daily low min	7.8 C (46.0 F)	2.2 C (4.0 F)	92 years	47 of 100 (Notable)
17 July 1997	Monticello, US	daily rain	71.1 mm (2.8 in)	25.1 mm (1.0 in)	67 years	47 of 100 (Notable)
17 July 1997	Tottori, JP	daily rain	144.0 mm (5.7 in)	93.0 mm (3.7 in)	10 years	46 of 100 (Notable)
17 July 1997	Molino Blanco, MX	daily rain	53.8 mm (2.1 in)	39.6 mm (1.6 in)	16 years	46 of 100 (Notable)
17 July 1997	Erfurt-Bindersleben, DE	daily rain	37.2 mm (1.5 in)	16.1 mm (0.6 in)	56 years	45 of 100 (Notable)
17 July 1997	Boxian, CN	all-time rain	285.3 mm (11.2 in)	20.8 mm (0.8 in)	43 years	44 of 100 (Notable)
17 July 1997	Bele (Bos), ZA	monthly rain	70.0 mm (2.8 in)	8.8 mm (0.35 in)	62 years	44 of 100 (Notable)
17 July 1997	Yerington, US	daily high min	21.1 C (70.0 F)	1.7 C (3.1 F)	102 years	44 of 100 (Notable)
17 July 1997	Lumberton, US	daily rain	90.2 mm (3.6 in)	26.7 mm (1.1 in)	56 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 1997

Records set or tied on this calendar date in each year from 1793 to 1997. 1997 had 816 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1997-07-17: 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	535
20 to 40	24
40 to 60	7
60 to 80	3
80 to 100	2