Weather Records on 31 July 1981

672 weather records were set or tied worldwide on 31 July 1981. Highest significance: Heemstede, NL.

Key Facts for 31 July 1981

On 31 July 1981, 672 weather records were set or tied at long-record stations worldwide.
171 were record highs and 269 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 20 monthly and 648 daily.
Heemstede set a daily record precipitation of 40.4 mm (1.6 in) on 31 July 1981.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 470 records.

Record Map

672 stations

672 station records on 31 July 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Heemstede	Netherlands	Record daily precipitation	40.4 mm (1.6 in)	58 of 100 (Notable)
Lordsburg 4 SE	United States	Record daily precipitation	67.6 mm (2.7 in)	55 of 100 (Notable)
Tjamotis	Sweden	Record daily precipitation	29.2 mm (1.1 in)	54 of 100 (Notable)
Meade	United States	Record daily precipitation	80.0 mm (3.1 in)	53 of 100 (Notable)
Overveen	Netherlands	Record daily precipitation	29.6 mm (1.2 in)	52 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	20.7 C (69.3 F)	51 of 100 (Notable)
Morgan 1 W	United States	Record low maximum temperature	24.4 C (75.9 F)	51 of 100 (Notable)
Lisse	Netherlands	Record daily precipitation	32.3 mm (1.3 in)	50 of 100 (Notable)
Zuni	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Dividalen	Norway	Record daily precipitation	46.6 mm (1.8 in)	48 of 100 (Notable)
Claremore 2 ENE	United States	Record daily precipitation	98.6 mm (3.9 in)	48 of 100 (Notable)
Saluda	United States	Record low maximum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Nenjiang	China	Record daily precipitation	105.5 mm (4.2 in)	46 of 100 (Notable)
Headland	United States	Record daily precipitation	101.6 mm (4.0 in)	44 of 100 (Notable)
Prague 2W	United States	Record daily precipitation	117.6 mm (4.6 in)	44 of 100 (Notable)
Newberry	United States	Record low maximum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Zandvoort	Netherlands	Record daily precipitation	32.2 mm (1.3 in)	43 of 100 (Notable)
Campbell	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Aiken 5SE	United States	Record low maximum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Mooramin	Australia	Record daily precipitation	36.2 mm (1.4 in)	42 of 100 (Notable)
Valkenburg-1	Netherlands	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Ada	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Mayville	United States	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Everett	United States	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Five Gums	Australia	Record daily precipitation	27.8 mm (1.1 in)	40 of 100 (Notable)
Chiricahua Nm	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Stonyfell	Australia	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Ankenes	Norway	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Nikopol	Ukraine	Record daily precipitation	31.1 mm (1.2 in)	39 of 100 (Notable)
Aetna 2 S	United States	Record daily precipitation	92.2 mm (3.6 in)	39 of 100 (Notable)
Colgate	United States	Record daily precipitation	33.5 mm (1.3 in)	39 of 100 (Notable)
Maldon (Derby Hill)	Australia	Record daily precipitation	26.5 mm (1.0 in)	38 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	4.0 C (39.2 F)	38 of 100 (Notable)
Im. Poliny Osipenko	Russia	Record daily precipitation	45.9 mm (1.8 in)	38 of 100 (Notable)
Guga	Russia	Record daily precipitation	41.0 mm (1.6 in)	38 of 100 (Notable)
Springerville	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Ft Sumner	United States	Record daily precipitation	41.4 mm (1.6 in)	38 of 100 (Notable)
Skjomen	Norway	Record daily precipitation	27.3 mm (1.1 in)	37 of 100 (Notable)
Blowing Rock 1NW	United States	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Augusta Bush Fld AP	United States	Record low maximum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Aktse	Sweden	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Dahlonega 4WSW	United States	Record low maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Monticello	United States	Record low maximum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Derry 4 SW	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Florence 8 NE	United States	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Riito	Mexico	Record low maximum temperature	26.7 C (80.1 F)	34 of 100 (Routine)
Nautijaur	Sweden	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	14.2 C (57.6 F)	34 of 100 (Routine)
Canton 4N	United States	Record low minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Waynesville 1 E	United States	Record low maximum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Webster Springs	United States	Record low minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Mazapa	Mexico	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Kargopol	Russia	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Lake City 2 E	United States	Record daily precipitation	69.9 mm (2.8 in)	33 of 100 (Routine)
Fergus Falls	United States	Record daily precipitation	65.0 mm (2.6 in)	33 of 100 (Routine)
Kailua 446	United States	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Gainesville	United States	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Rockville 1 NE	United States	Record low minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Conroe	United States	Record high minimum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Greifswald	Germany	Record low maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

672 records

Records set or tied on 31 July 1981 by type: Highest daily maximum 61, Lowest daily maximum 130, Highest daily minimum 110, Lowest daily minimum 139, Heaviest daily rainfall 232.

Records on 31 July 1981 by type
Record type	Records
Highest daily maximum	61
Lowest daily maximum	130
Highest daily minimum	110
Lowest daily minimum	139
Heaviest daily rainfall	232
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1981 by timescale: all-time 4, monthly 20, daily 648.

How Much Records Were Beaten By

524 broken records

Margins by which the 524 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.8. Ties are not counted.

Top 20 by Significance

31 July 1981

Top 20 records on 31 July 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1981	Heemstede, NL	daily rain	40.4 mm (1.6 in)	26.9 mm (1.1 in)	44 years	58 of 100 (Notable)
31 July 1981	Lordsburg 4 SE, US	daily rain	67.6 mm (2.7 in)	25.7 mm (1.0 in)	52 years	55 of 100 (Notable)
31 July 1981	Tjamotis, SE	daily rain	29.2 mm (1.1 in)	21.5 mm (0.8 in)	59 years	54 of 100 (Notable)
31 July 1981	Meade, US	daily rain	80.0 mm (3.1 in)	56.9 mm (2.2 in)	31 years	53 of 100 (Notable)
31 July 1981	Overveen, NL	daily rain	29.6 mm (1.2 in)	25.1 mm (1.0 in)	30 years	52 of 100 (Notable)
31 July 1981	Col du Grand St-Bernard, CH	monthly high max	20.7 C (69.3 F)	0.5 C (0.9 F)	109 years	51 of 100 (Notable)
31 July 1981	Morgan 1 W, US	daily low max	24.4 C (75.9 F)	3.9 C (7.0 F)	86 years	51 of 100 (Notable)
31 July 1981	Lisse, NL	daily rain	32.3 mm (1.3 in)	22.5 mm (0.9 in)	31 years	50 of 100 (Notable)
31 July 1981	Zuni, US	daily rain	34.3 mm (1.4 in)	23.6 mm (0.9 in)	24 years	50 of 100 (Notable)
31 July 1981	Dividalen, NO	daily rain	46.6 mm (1.8 in)	33.5 mm (1.3 in)	8 years	48 of 100 (Notable)
31 July 1981	Claremore 2 ENE, US	daily rain	98.6 mm (3.9 in)	73.2 mm (2.9 in)	2 years	48 of 100 (Notable)
31 July 1981	Saluda, US	daily low max	20.6 C (69.1 F)	7.7 C (13.9 F)	52 years	47 of 100 (Notable)
31 July 1981	Nenjiang, CN	all-time rain	105.5 mm (4.2 in)	22.3 mm (0.9 in)	19 years	46 of 100 (Notable)
31 July 1981	Headland, US	daily rain	101.6 mm (4.0 in)	66.0 mm (2.6 in)	6 years	44 of 100 (Notable)
31 July 1981	Prague 2W, US	daily rain	117.6 mm (4.6 in)	95.8 mm (3.8 in)	4 years	44 of 100 (Notable)
31 July 1981	Newberry, US	daily low max	21.7 C (71.1 F)	3.9 C (7.0 F)	81 years	44 of 100 (Notable)
31 July 1981	Zandvoort, NL	daily rain	32.2 mm (1.3 in)	18.2 mm (0.7 in)	31 years	43 of 100 (Notable)
31 July 1981	Campbell, US	daily rain	40.6 mm (1.6 in)	16.5 mm (0.6 in)	75 years	43 of 100 (Notable)
31 July 1981	Aiken 5SE, US	daily low max	23.9 C (75.0 F)	4.4 C (7.9 F)	67 years	43 of 100 (Notable)
31 July 1981	Mooramin, AU	daily rain	36.2 mm (1.4 in)	36.2 mm (1.4 in)	50 years	42 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 1981

Records set or tied on this calendar date in each year from 1804 to 1981. 1981 had 672 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	753

Download the Data

Data for records on 1981-07-31: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	490
20 to 40	28
40 to 60	3
60 to 80	2
80 to 100	1