Weather Records on 31 July 1985

1,065 weather records were set or tied worldwide on 31 July 1985. Highest significance: Keanae 346, US.

Key Facts for 31 July 1985

On 31 July 1985, 1,065 weather records were set or tied at long-record stations worldwide.
129 were record highs and 531 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 34 monthly and 1,030 daily.
Keanae 346 set a monthly record daily precipitation of 289.6 mm (11.4 in) on 31 July 1985.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 467 records.

Record Map

1,065 stations

1,065 station records on 31 July 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Keanae 346	United States	Record daily precipitation	289.6 mm (11.4 in)	78 of 100 (Major)
Edina	United States	Record daily precipitation	123.2 mm (4.9 in)	63 of 100 (Major)
Mt Carmel	United States	Record daily precipitation	71.1 mm (2.8 in)	58 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	92.7 mm (3.6 in)	57 of 100 (Notable)
Tugulym	Russia	Record daily precipitation	51.2 mm (2.0 in)	54 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	76.5 mm (3.0 in)	52 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	78.7 mm (3.1 in)	51 of 100 (Notable)
Corydon 8 W	United States	Record daily precipitation	99.1 mm (3.9 in)	49 of 100 (Notable)
Lewiston	United States	Record daily precipitation	58.7 mm (2.3 in)	47 of 100 (Notable)
Labelle	United States	Record daily precipitation	106.9 mm (4.2 in)	47 of 100 (Notable)
Quincy Rgnl AP	United States	Record daily precipitation	91.4 mm (3.6 in)	47 of 100 (Notable)
Vitoria de Santo Antao	Brazil	Record daily precipitation	81.0 mm (3.2 in)	46 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	29.6 mm (1.2 in)	46 of 100 (Notable)
Webster City	United States	Record low maximum temperature	17.8 C (64.0 F)	46 of 100 (Notable)
Caledonia	United States	Record low maximum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Franklin	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Millville Muni AP	United States	Record daily precipitation	91.7 mm (3.6 in)	46 of 100 (Notable)
Aunet	Norway	Record daily precipitation	31.4 mm (1.2 in)	45 of 100 (Notable)
Belle Plaine	United States	Record low maximum temperature	19.4 C (66.9 F)	45 of 100 (Notable)
Elkader 6 SSW	United States	Record low maximum temperature	18.9 C (66.0 F)	45 of 100 (Notable)
Sidney 6NNW	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Cuitzeo	Mexico	Record daily precipitation	40.4 mm (1.6 in)	44 of 100 (Notable)
Dover	United States	Record daily precipitation	91.9 mm (3.6 in)	44 of 100 (Notable)
Cedar Rapids #1	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Maquoketa	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Hoxie	United States	Record daily precipitation	34.5 mm (1.4 in)	44 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	126.5 mm (5.0 in)	44 of 100 (Notable)
Creighton	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Cape May 2 NW	United States	Record daily precipitation	70.4 mm (2.8 in)	44 of 100 (Notable)
Dodgeville Wwtp	United States	Record low maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Wilmington Porter Rsch	United States	Record daily precipitation	97.3 mm (3.8 in)	43 of 100 (Notable)
Ashley	United States	Record low maximum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Bear Gap	United States	Record daily precipitation	78.7 mm (3.1 in)	43 of 100 (Notable)
Albin	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record daily precipitation	76.7 mm (3.0 in)	43 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	70.9 mm (2.8 in)	43 of 100 (Notable)
Koosharem	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Garruchos	Brazil	Record daily precipitation	88.3 mm (3.5 in)	40 of 100 (Notable)
Tehuantepec	Mexico	Record daily precipitation	121.9 mm (4.8 in)	40 of 100 (Notable)
Ft Dodge 5NNW	United States	Record low maximum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Napoleon	United States	Record low maximum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Wagner	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Buzau	Romania	Record high maximum temperature	37.4 C (99.3 F)	39 of 100 (Notable)
Geneseo	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Humboldt 3 W	United States	Record low maximum temperature	19.4 C (66.9 F)	39 of 100 (Notable)
Rockwell City	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Coldwater St School	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Butte	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Weeping Water	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Brookings 2 NE	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record low maximum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Morrl Morrl (Valley View)	Australia	Record daily precipitation	28.8 mm (1.1 in)	38 of 100 (Notable)
Ewing	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Newport	United States	Record low maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Lakeview 2 NNW	United States	Record low maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Vaernes	Norway	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Dixon Wwtp	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Estherville 4E	United States	Record low maximum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	53.3 mm (2.1 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,065 records

Records set or tied on 31 July 1985 by type: Highest daily maximum 33, Lowest daily maximum 440, Highest daily minimum 96, Lowest daily minimum 91, Heaviest daily rainfall 405.

Records on 31 July 1985 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	440
Highest daily minimum	96
Lowest daily minimum	91
Heaviest daily rainfall	405
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1985 by timescale: all-time 1, monthly 34, daily 1,030.

How Much Records Were Beaten By

898 broken records

Margins by which the 898 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.8. Ties are not counted.

Top 20 by Significance

31 July 1985

Top 20 records on 31 July 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1985	Keanae 346, US	monthly rain	289.6 mm (11.4 in)	88.2 mm (3.5 in)	67 years	78 of 100 (Major)
31 July 1985	Edina, US	daily rain	123.2 mm (4.9 in)	88.9 mm (3.5 in)	47 years	63 of 100 (Major)
31 July 1985	Mt Carmel, US	daily rain	71.1 mm (2.8 in)	63.5 mm (2.5 in)	44 years	58 of 100 (Notable)
31 July 1985	Keosauqua, US	daily rain	92.7 mm (3.6 in)	40.1 mm (1.6 in)	80 years	57 of 100 (Notable)
31 July 1985	Tugulym, RU	daily rain	51.2 mm (2.0 in)	29.1 mm (1.1 in)	34 years	54 of 100 (Notable)
31 July 1985	Bloomfield, US	daily rain	76.5 mm (3.0 in)	54.9 mm (2.2 in)	42 years	52 of 100 (Notable)
31 July 1985	Oshkosh, US	daily rain	78.7 mm (3.1 in)	40.6 mm (1.6 in)	24 years	51 of 100 (Notable)
31 July 1985	Corydon 8 W, US	daily rain	99.1 mm (3.9 in)	93.8 mm (3.7 in)	22 years	49 of 100 (Notable)
31 July 1985	Lewiston, US	daily rain	58.7 mm (2.3 in)	15.3 mm (0.6 in)	80 years	47 of 100 (Notable)
31 July 1985	Labelle, US	daily rain	106.9 mm (4.2 in)	76.2 mm (3.0 in)	8 years	47 of 100 (Notable)
31 July 1985	Quincy Rgnl AP, US	daily rain	91.4 mm (3.6 in)	66.5 mm (2.6 in)	18 years	47 of 100 (Notable)
31 July 1985	Vitoria de Santo Antao, BR	daily rain	81.0 mm (3.2 in)	54.6 mm (2.1 in)	3 years	46 of 100 (Notable)
31 July 1985	Ostas I Hegra, NO	daily rain	29.6 mm (1.2 in)	7.3 mm (0.29 in)	89 years	46 of 100 (Notable)
31 July 1985	Webster City, US	monthly low max	17.8 C (64.0 F)	0.5 C (0.9 F)	89 years	46 of 100 (Notable)
31 July 1985	Caledonia, US	daily low max	16.7 C (62.1 F)	4.4 C (7.9 F)	88 years	46 of 100 (Notable)
31 July 1985	Franklin, US	daily rain	25.4 mm (1.0 in)	7.6 mm (0.30 in)	112 years	46 of 100 (Notable)
31 July 1985	Millville Muni AP, US	daily rain	91.7 mm (3.6 in)	70.6 mm (2.8 in)	7 years	46 of 100 (Notable)
31 July 1985	Aunet, NO	daily rain	31.4 mm (1.2 in)	16.9 mm (0.7 in)	20 years	45 of 100 (Notable)
31 July 1985	Belle Plaine, US	daily low max	19.4 C (66.9 F)	3.9 C (7.0 F)	86 years	45 of 100 (Notable)
31 July 1985	Elkader 6 SSW, US	daily low max	18.9 C (66.0 F)	3.9 C (7.0 F)	88 years	45 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 1985

Records set or tied on this calendar date in each year from 1804 to 1985. 1985 had 1,065 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 1985-07-31: 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	853
20 to 40	28
40 to 60	7
60 to 80	6
80 to 100	4