Weather Records on 31 July 1997

984 weather records were set or tied worldwide on 31 July 1997. Highest significance: Ballina (Crowley Village), AU.

Key Facts for 31 July 1997

On 31 July 1997, 984 weather records were set or tied at long-record stations worldwide.
261 were record highs and 433 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 37 monthly and 941 daily.
Ballina (Crowley Village) set a daily record precipitation of 127.0 mm (5.0 in) on 31 July 1997.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 468 records.

Record Map

984 stations

984 station records on 31 July 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ballina (Crowley Village)	Australia	Record daily precipitation	127.0 mm (5.0 in)	73 of 100 (Major)
Deer Lodge 3 W	United States	Record daily precipitation	54.1 mm (2.1 in)	61 of 100 (Major)
Cherry Creek Dam	United States	Record daily precipitation	71.4 mm (2.8 in)	56 of 100 (Notable)
Minatitlan	Mexico	Record daily precipitation	181.4 mm (7.1 in)	55 of 100 (Notable)
Laguna	United States	Record daily precipitation	38.4 mm (1.5 in)	55 of 100 (Notable)
Vlakplaats	South Africa	Record daily precipitation	25.2 mm (1.0 in)	54 of 100 (Notable)
Nueva Casas Grandes	Mexico	Record daily precipitation	48.2 mm (1.9 in)	53 of 100 (Notable)
Neozhidannyj	Russia	Record daily precipitation	57.3 mm (2.3 in)	53 of 100 (Notable)
Archer	United States	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Huade	China	Record daily precipitation	55.4 mm (2.2 in)	51 of 100 (Notable)
Nuevo Casas Grandes (Dge)	Mexico	Record daily precipitation	48.0 mm (1.9 in)	51 of 100 (Notable)
Marknesse_1	Netherlands	Record daily precipitation	28.3 mm (1.1 in)	51 of 100 (Notable)
Kalaupapa 563	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Cordele	United States	Record daily precipitation	82.0 mm (3.2 in)	47 of 100 (Notable)
Saluda	United States	Record daily precipitation	75.7 mm (3.0 in)	47 of 100 (Notable)
Gatesville	United States	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Zhlobin	Belarus	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Unterluss	Germany	Record daily precipitation	48.1 mm (1.9 in)	46 of 100 (Notable)
Elizabethton	United States	Record low minimum temperature	11.1 C (52.0 F)	46 of 100 (Notable)
Elkhorn	United States	Record low maximum temperature	20.6 C (69.1 F)	46 of 100 (Notable)
Sybille Rsch Unit	United States	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Hatteras	United States	Record low maximum temperature	23.9 C (75.0 F)	46 of 100 (Notable)
Kilagarden	Sweden	Record daily precipitation	42.0 mm (1.7 in)	45 of 100 (Notable)
Darlington	United States	Record low maximum temperature	22.8 C (73.0 F)	45 of 100 (Notable)
Summerville 4W	United States	Record daily precipitation	97.8 mm (3.9 in)	45 of 100 (Notable)
Vasilevici	Belarus	Record daily precipitation	41.2 mm (1.6 in)	44 of 100 (Notable)
Patterson	United States	Record daily precipitation	119.4 mm (4.7 in)	44 of 100 (Notable)
Yemassee 1 N	United States	Record low minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Hovenweep Nm	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Silverton	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Cartersville	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Lowell	United States	Record low minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Hettinger	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Linxi	China	Record daily precipitation	82.5 mm (3.2 in)	42 of 100 (Notable)
Gluckstadt	Germany	Record daily precipitation	36.2 mm (1.4 in)	42 of 100 (Notable)
Kennebec	United States	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Lismore (Centre Street)	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Waynesboro 2 S	United States	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Los Lunas 3 SSW	United States	Record daily precipitation	27.7 mm (1.1 in)	41 of 100 (Notable)
Ashland	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Wytheville	United States	Record low maximum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Falkoping	Sweden	Record daily precipitation	27.1 mm (1.1 in)	40 of 100 (Notable)
Beckley Va Hospital	United States	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Moorefield 1 SSE	United States	Record low minimum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Tower Falls	United States	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Carters 1 WSW	United States	Record daily precipitation	77.0 mm (3.0 in)	39 of 100 (Notable)
Edisto Beach Sp	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Wedgefield	United States	Record low maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Chugwater	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Alstonville Tropical Fruit Res	Australia	Record daily precipitation	85.0 mm (3.3 in)	38 of 100 (Notable)
Grand Lake 6 SSW	United States	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Bowman	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Mt Airy 2 W	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Clear Lake	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Mexican Hat	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Sorsele	Sweden	Record daily precipitation	38.5 mm (1.5 in)	37 of 100 (Notable)
Jefferson 2 E	United States	Record low maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Laurinburg	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Crockett	United States	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Panther Junction	United States	Record high minimum temperature	28.9 C (84.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

984 records

Records set or tied on 31 July 1997 by type: Highest daily maximum 120, Lowest daily maximum 186, Highest daily minimum 141, Lowest daily minimum 247, Heaviest daily rainfall 290.

Records on 31 July 1997 by type
Record type	Records
Highest daily maximum	120
Lowest daily maximum	186
Highest daily minimum	141
Lowest daily minimum	247
Heaviest daily rainfall	290
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1997 by timescale: all-time 6, monthly 37, daily 941.

How Much Records Were Beaten By

707 broken records

Margins by which the 707 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 116.1. Ties are not counted.

Top 20 by Significance

31 July 1997

Top 20 records on 31 July 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1997	Ballina (Crowley Village), AU	daily rain	127.0 mm (5.0 in)	74.4 mm (2.9 in)	103 years	73 of 100 (Major)
31 July 1997	Deer Lodge 3 W, US	all-time rain	54.1 mm (2.1 in)	15.2 mm (0.6 in)	28 years	61 of 100 (Major)
31 July 1997	Cherry Creek Dam, US	daily rain	71.4 mm (2.8 in)	43.0 mm (1.7 in)	40 years	56 of 100 (Notable)
31 July 1997	Minatitlan, MX	daily rain	181.4 mm (7.1 in)	116.1 mm (4.6 in)	28 years	55 of 100 (Notable)
31 July 1997	Laguna, US	daily rain	38.4 mm (1.5 in)	21.9 mm (0.9 in)	68 years	55 of 100 (Notable)
31 July 1997	Vlakplaats, ZA	daily rain	25.2 mm (1.0 in)	24.7 mm (1.0 in)	68 years	54 of 100 (Notable)
31 July 1997	Nueva Casas Grandes, MX	daily rain	48.2 mm (1.9 in)	30.8 mm (1.2 in)	34 years	53 of 100 (Notable)
31 July 1997	Neozhidannyj, RU	daily rain	57.3 mm (2.3 in)	36.3 mm (1.4 in)	27 years	53 of 100 (Notable)
31 July 1997	Archer, US	daily rain	40.4 mm (1.6 in)	23.9 mm (0.9 in)	31 years	53 of 100 (Notable)
31 July 1997	Huade, CN	daily rain	55.4 mm (2.2 in)	28.7 mm (1.1 in)	40 years	51 of 100 (Notable)
31 July 1997	Nuevo Casas Grandes (Dge), MX	daily rain	48.0 mm (1.9 in)	30.7 mm (1.2 in)	34 years	51 of 100 (Notable)
31 July 1997	Marknesse_1, NL	daily rain	28.3 mm (1.1 in)	24.9 mm (1.0 in)	46 years	51 of 100 (Notable)
31 July 1997	Kalaupapa 563, US	daily rain	55.9 mm (2.2 in)	34.3 mm (1.4 in)	12 years	49 of 100 (Notable)
31 July 1997	Cordele, US	daily rain	82.0 mm (3.2 in)	27.9 mm (1.1 in)	60 years	47 of 100 (Notable)
31 July 1997	Saluda, US	monthly rain	75.7 mm (3.0 in)	2.0 mm (0.08 in)	92 years	47 of 100 (Notable)
31 July 1997	Gatesville, US	daily rain	36.8 mm (1.4 in)	21.6 mm (0.9 in)	94 years	47 of 100 (Notable)
31 July 1997	Zhlobin, BY	daily rain	49.8 mm (2.0 in)	25.2 mm (1.0 in)	40 years	46 of 100 (Notable)
31 July 1997	Unterluss, DE	daily rain	48.1 mm (1.9 in)	32.5 mm (1.3 in)	4 years	46 of 100 (Notable)
31 July 1997	Elizabethton, US	daily low min	11.1 C (52.0 F)	1.7 C (3.1 F)	99 years	46 of 100 (Notable)
31 July 1997	Elkhorn, US	daily low max	20.6 C (69.1 F)	1.6 C (2.9 F)	101 years	46 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

1804 to 1997

Records set or tied on this calendar date in each year from 1804 to 1997. 1997 had 984 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1997-07-31: 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	648
20 to 40	49
40 to 60	5
60 to 80	4
80 to 100	0
100 to 120	1