Weather Records on 30 July 1981

851 weather records were set or tied worldwide on 30 July 1981. Highest significance: Virtsu, EE.

Key Facts for 30 July 1981

On 30 July 1981, 851 weather records were set or tied at long-record stations worldwide.
180 were record highs and 480 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 25 monthly and 821 daily.
Virtsu set an all-time record daily precipitation of 89.0 mm (3.5 in) on 30 July 1981.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

851 stations

851 station records on 30 July 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Virtsu	Estonia	Record daily precipitation	89.0 mm (3.5 in)	65 of 100 (Major)
Sallisaw 2 NW	United States	Record daily precipitation	124.0 mm (4.9 in)	64 of 100 (Major)
Langley	United States	Record daily precipitation	96.5 mm (3.8 in)	52 of 100 (Notable)
Tulsa Intl AP	United States	Record daily precipitation	96.0 mm (3.8 in)	52 of 100 (Notable)
Lovanger	Sweden	Record daily precipitation	38.5 mm (1.5 in)	51 of 100 (Notable)
Caballo Dam	United States	Record daily precipitation	43.9 mm (1.7 in)	50 of 100 (Notable)
Zoe 1 S	United States	Record daily precipitation	79.5 mm (3.1 in)	50 of 100 (Notable)
Graysville	Canada	Record daily precipitation	37.0 mm (1.5 in)	49 of 100 (Notable)
Greenwood	United States	Record daily precipitation	90.2 mm (3.6 in)	49 of 100 (Notable)
Yorkton A	Canada	Record daily precipitation	52.6 mm (2.1 in)	47 of 100 (Notable)
Soderarm	Sweden	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Antoine 1 SW	United States	Record daily precipitation	127.0 mm (5.0 in)	46 of 100 (Notable)
Greenville 2 NE	United States	Record low maximum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Amity	United States	Record daily precipitation	79.2 mm (3.1 in)	45 of 100 (Notable)
Athens	United States	Record daily precipitation	73.4 mm (2.9 in)	45 of 100 (Notable)
Ft Smith Rgnl AP	United States	Record daily precipitation	78.2 mm (3.1 in)	45 of 100 (Notable)
Camden 3 W	United States	Record daily precipitation	71.1 mm (2.8 in)	44 of 100 (Notable)
Dillon	United States	Record daily precipitation	91.9 mm (3.6 in)	44 of 100 (Notable)
Pine Bluff	United States	Record low maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Farmington	United States	Record low maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Northfield	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Sprague	Canada	Record daily precipitation	42.0 mm (1.7 in)	41 of 100 (Notable)
Santuck	United States	Record low maximum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Monticello Muni AP	United States	Record low minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	17.5 C (63.5 F)	40 of 100 (Notable)
Orbost (Comparison)	Australia	Record daily precipitation	34.2 mm (1.3 in)	39 of 100 (Notable)
Verebye (Closed)	Russia	Record high minimum temperature	22.7 C (72.9 F)	39 of 100 (Notable)
Glen Mervyn	Australia	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Hot Springs 1 NNE	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Mena	United States	Record low maximum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	123.7 mm (4.9 in)	38 of 100 (Notable)
Barnsdall	United States	Record daily precipitation	77.5 mm (3.1 in)	38 of 100 (Notable)
Murfreesboro 5 N	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Chelsea	United States	Record low maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Odessa	United States	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Brinkley	United States	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Kokomo 3 WSW	United States	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Staunton Wtp	United States	Record low minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Tesia	Mexico	Record low minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Bloomington Indiana UNIV	United States	Record low maximum temperature	21.1 C (70.0 F)	36 of 100 (Notable)
Maramec	United States	Record daily precipitation	64.3 mm (2.5 in)	36 of 100 (Notable)
Perry	United States	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Uniontown 1 NE	United States	Record low maximum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Darlington	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Jackson Exp STN	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Hatteras	United States	Record low minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Bowie	United States	Record daily precipitation	48.5 mm (1.9 in)	35 of 100 (Notable)
Hopper	United States	Record daily precipitation	58.4 mm (2.3 in)	35 of 100 (Notable)
Waycross 4 NE	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Webbers Falls 5 WSW	United States	Record daily precipitation	68.8 mm (2.7 in)	35 of 100 (Notable)
Franklin	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Milan Exp STN	United States	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Woodstock	United States	Record low maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Gravette	United States	Record daily precipitation	48.8 mm (1.9 in)	34 of 100 (Routine)
Denton 2 E	United States	Record low minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record low maximum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record low minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Bolivar Wtr Wks	United States	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Norrveda	Sweden	Record daily precipitation	39.7 mm (1.6 in)	33 of 100 (Routine)
Newport	United States	Record low maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

851 records

Records set or tied on 30 July 1981 by type: Highest daily maximum 74, Lowest daily maximum 279, Highest daily minimum 106, Lowest daily minimum 201, Heaviest daily rainfall 191.

Records on 30 July 1981 by type
Record type	Records
Highest daily maximum	74
Lowest daily maximum	279
Highest daily minimum	106
Lowest daily minimum	201
Heaviest daily rainfall	191
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1981 by timescale: all-time 5, monthly 25, daily 821.

How Much Records Were Beaten By

652 broken records

Margins by which the 652 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.3. Ties are not counted.

Top 20 by Significance

30 July 1981

Top 20 records on 30 July 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1981	Virtsu, EE	all-time rain	89.0 mm (3.5 in)	24.6 mm (1.0 in)	1 year	65 of 100 (Major)
30 July 1981	Sallisaw 2 NW, US	daily rain	124.0 mm (4.9 in)	75.2 mm (3.0 in)	54 years	64 of 100 (Major)
30 July 1981	Langley, US	daily rain	96.5 mm (3.8 in)	83.8 mm (3.3 in)	31 years	52 of 100 (Notable)
30 July 1981	Tulsa Intl AP, US	daily rain	96.0 mm (3.8 in)	67.6 mm (2.7 in)	40 years	52 of 100 (Notable)
30 July 1981	Lovanger, SE	daily rain	38.5 mm (1.5 in)	31.3 mm (1.2 in)	28 years	51 of 100 (Notable)
30 July 1981	Caballo Dam, US	daily rain	43.9 mm (1.7 in)	25.1 mm (1.0 in)	42 years	50 of 100 (Notable)
30 July 1981	Zoe 1 S, US	daily rain	79.5 mm (3.1 in)	75.7 mm (3.0 in)	26 years	50 of 100 (Notable)
30 July 1981	Graysville, CA	daily rain	37.0 mm (1.5 in)	29.6 mm (1.2 in)	43 years	49 of 100 (Notable)
30 July 1981	Greenwood, US	daily rain	90.2 mm (3.6 in)	70.1 mm (2.8 in)	31 years	49 of 100 (Notable)
30 July 1981	Yorkton A, CA	daily rain	52.6 mm (2.1 in)	43.2 mm (1.7 in)	12 years	47 of 100 (Notable)
30 July 1981	Soderarm, SE	daily rain	45.5 mm (1.8 in)	29.1 mm (1.1 in)	16 years	47 of 100 (Notable)
30 July 1981	Antoine 1 SW, US	daily rain	127.0 mm (5.0 in)	117.3 mm (4.6 in)	7 years	46 of 100 (Notable)
30 July 1981	Greenville 2 NE, US	daily low max	18.9 C (66.0 F)	5.0 C (9.0 F)	82 years	46 of 100 (Notable)
30 July 1981	Amity, US	daily rain	79.2 mm (3.1 in)	23.3 mm (0.9 in)	79 years	45 of 100 (Notable)
30 July 1981	Athens, US	daily rain	73.4 mm (2.9 in)	51.3 mm (2.0 in)	31 years	45 of 100 (Notable)
30 July 1981	Ft Smith Rgnl AP, US	daily rain	78.2 mm (3.1 in)	72.4 mm (2.9 in)	7 years	45 of 100 (Notable)
30 July 1981	Camden 3 W, US	daily rain	71.1 mm (2.8 in)	24.9 mm (1.0 in)	64 years	44 of 100 (Notable)
30 July 1981	Dillon, US	daily rain	91.9 mm (3.6 in)	50.2 mm (2.0 in)	20 years	44 of 100 (Notable)
30 July 1981	Pine Bluff, US	daily low max	24.4 C (75.9 F)	3.4 C (6.1 F)	78 years	43 of 100 (Notable)
30 July 1981	Farmington, US	monthly low max	13.9 C (57.0 F)	1.7 C (3.1 F)	72 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

1794 to 1981

Records set or tied on this calendar date in each year from 1794 to 1981. 1981 had 851 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,049
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	762
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1981-07-30: 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	612
20 to 40	23
40 to 60	10
60 to 80	5
80 to 100	1
100 to 120	1