Weather Records on 15 July 1981

646 weather records were set or tied worldwide on 15 July 1981. Highest significance: Forest City 2 NNE, US.

Key Facts for 15 July 1981

On 15 July 1981, 646 weather records were set or tied at long-record stations worldwide.
232 were record highs and 211 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 21 monthly and 618 daily.
Forest City 2 NNE set a daily record precipitation of 83.8 mm (3.3 in) on 15 July 1981.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 454 records.

Record Map

646 stations

646 station records on 15 July 1981 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 July 1981: highest significance records shown on the map
Station	Country	Type	Value	Significance
Forest City 2 NNE	United States	Record daily precipitation	83.8 mm (3.3 in)	72 of 100 (Major)
Zion Np	United States	Record daily precipitation	45.7 mm (1.8 in)	65 of 100 (Major)
Jamestown State Hosp	United States	Record daily precipitation	77.5 mm (3.1 in)	53 of 100 (Notable)
Hampton	United States	Record daily precipitation	68.3 mm (2.7 in)	52 of 100 (Notable)
Zmeinogorsk	Russia	Record daily precipitation	47.5 mm (1.9 in)	48 of 100 (Notable)
Fergana	Uzbekistan	Record high minimum temperature	27.5 C (81.5 F)	47 of 100 (Notable)
Vladikavkaz	Russia	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Paso de Arocha	Mexico	Record daily precipitation	158.0 mm (6.2 in)	45 of 100 (Notable)
Walnut Grove	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Parker	United States	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Blytheville	United States	Record high minimum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Tupper Lake Sunmount	United States	Record low maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Hedberg	Sweden	Record daily precipitation	43.8 mm (1.7 in)	37 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	58.4 mm (2.3 in)	36 of 100 (Notable)
Corydon 8 W	United States	Record daily precipitation	88.4 mm (3.5 in)	35 of 100 (Notable)
Blackville 3 W	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Crescent City	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Glen St Mary 1 W	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Albia 3 NNE	United States	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Caledonia	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Glen St Mary 1 W	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Porthill	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Fosston 1 E	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Snake Rvr	United States	Record low minimum temperature	-5.6 C (21.9 F)	33 of 100 (Routine)
Goose A	Canada	Record daily precipitation	66.8 mm (2.6 in)	32 of 100 (Routine)
Puerto Madero	Mexico	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Glennville 3NW	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Tell City	United States	Record daily precipitation	81.3 mm (3.2 in)	32 of 100 (Routine)
Winnibigoshish Dam	United States	Record low maximum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Dulce	United States	Record low maximum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Indian Lake 2SW	United States	Record low maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Amery	United States	Record daily precipitation	38.6 mm (1.5 in)	32 of 100 (Routine)
Tuzantla (Smn)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Live Oak	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Knoxville	United States	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record low maximum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Hateruma	Japan	Record daily precipitation	117.0 mm (4.6 in)	30 of 100 (Routine)
Masljanino	Russia	Record daily precipitation	39.5 mm (1.6 in)	30 of 100 (Routine)
Santa Cruz	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Louisville 1 E	United States	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Mason City	United States	Record daily precipitation	66.0 mm (2.6 in)	30 of 100 (Routine)
Princeville Rch 1117	United States	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Russell	Canada	Record daily precipitation	30.6 mm (1.2 in)	29 of 100 (Routine)
Las Flores	Mexico	Record daily precipitation	57.4 mm (2.3 in)	29 of 100 (Routine)
Porto	Portugal	Record high minimum temperature	24.7 C (76.5 F)	29 of 100 (Routine)
Ft Madison	United States	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Leech Lake	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Darlington Wwtp	United States	Record daily precipitation	40.9 mm (1.6 in)	29 of 100 (Routine)
Hatfield	United States	Record low maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Rhinelander	United States	Record low maximum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Metapa de Dominguez	Mexico	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Titonka	United States	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Vinton	United States	Record daily precipitation	40.1 mm (1.6 in)	28 of 100 (Routine)
La Crescent Dam 7	United States	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
Virginia	United States	Record low maximum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Martinsburg	United States	Record daily precipitation	71.6 mm (2.8 in)	28 of 100 (Routine)
Farmingdale 4 N	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Winslow AP	United States	Record low maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
El Salto (Smn)	Mexico	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)

Counts by Type and Timescale

646 records

Records set or tied on 15 July 1981 by type: Highest daily maximum 92, Lowest daily maximum 120, Highest daily minimum 140, Lowest daily minimum 91, Heaviest daily rainfall 203.

Records on 15 July 1981 by type
Record type	Records
Highest daily maximum	92
Lowest daily maximum	120
Highest daily minimum	140
Lowest daily minimum	91
Heaviest daily rainfall	203
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 July 1981 by timescale: all-time 7, monthly 21, daily 618.

How Much Records Were Beaten By

456 broken records

Margins by which the 456 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 97.5. Ties are not counted.

Top 20 by Significance

15 July 1981

Top 20 records on 15 July 1981 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 July 1981	Forest City 2 NNE, US	daily rain	83.8 mm (3.3 in)	59.4 mm (2.3 in)	80 years	72 of 100 (Major)
15 July 1981	Zion Np, US	daily rain	45.7 mm (1.8 in)	33.0 mm (1.3 in)	62 years	65 of 100 (Major)
15 July 1981	Jamestown State Hosp, US	daily rain	77.5 mm (3.1 in)	61.0 mm (2.4 in)	12 years	53 of 100 (Notable)
15 July 1981	Hampton, US	daily rain	68.3 mm (2.7 in)	37.3 mm (1.5 in)	80 years	52 of 100 (Notable)
15 July 1981	Zmeinogorsk, RU	daily rain	47.5 mm (1.9 in)	23.7 mm (0.9 in)	28 years	48 of 100 (Notable)
15 July 1981	Fergana, UZ	daily high min	27.5 C (81.5 F)	2.7 C (4.9 F)	92 years	47 of 100 (Notable)
15 July 1981	Vladikavkaz, RU	daily rain	41.9 mm (1.6 in)	8.4 mm (0.33 in)	99 years	46 of 100 (Notable)
15 July 1981	Paso de Arocha, MX	daily rain	158.0 mm (6.2 in)	97.5 mm (3.8 in)	10 years	45 of 100 (Notable)
15 July 1981	Walnut Grove, US	daily rain	36.3 mm (1.4 in)	10.1 mm (0.4 in)	78 years	40 of 100 (Notable)
15 July 1981	Parker, US	daily rain	26.7 mm (1.1 in)	9.9 mm (0.39 in)	60 years	39 of 100 (Notable)
15 July 1981	Blytheville, US	all-time high min	29.4 C (84.9 F)	1.6 C (2.9 F)	29 years	39 of 100 (Notable)
15 July 1981	Tupper Lake Sunmount, US	daily low max	13.9 C (57.0 F)	3.3 C (5.9 F)	78 years	39 of 100 (Notable)
15 July 1981	Hedberg, SE	monthly rain	43.8 mm (1.7 in)	13.1 mm (0.5 in)	4 years	37 of 100 (Notable)
15 July 1981	Britt 3E, US	daily rain	58.4 mm (2.3 in)	12.7 mm (0.5 in)	66 years	36 of 100 (Notable)
15 July 1981	Corydon 8 W, US	daily rain	88.4 mm (3.5 in)	49.5 mm (1.9 in)	2 years	35 of 100 (Notable)
15 July 1981	Blackville 3 W, US	daily high min	24.4 C (75.9 F)	0.5 C (0.9 F)	84 years	35 of 100 (Notable)
15 July 1981	Crescent City, US	daily high max	38.3 C (100.9 F)	1.6 C (2.9 F)	68 years	34 of 100 (Routine)
15 July 1981	Glen St Mary 1 W, US	daily high min	25.0 C (77.0 F)	1.7 C (3.1 F)	56 years	34 of 100 (Routine)
15 July 1981	Albia 3 NNE, US	daily rain	71.1 mm (2.8 in)	26.4 mm (1.0 in)	35 years	34 of 100 (Routine)
15 July 1981	Caledonia, US	daily rain	38.9 mm (1.5 in)	12.7 mm (0.5 in)	64 years	34 of 100 (Routine)

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 1981

Records set or tied on this calendar date in each year from 1793 to 1981. 1981 had 646 records.

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

Records on 07-15 in each year
Year	Records
1793	1
1802	1
1808	1
1824	2
1829	1
1832	1
1833	1
1838	1
1839	1
1840	2
1866	1
1868	2
1874	1
1876	1
1877	2
1879	3
1880	1
1881	2
1883	2
1884	2
1885	1
1886	2
1888	1
1889	1
1890	5
1891	4
1892	4
1893	3
1894	6
1895	4
1896	2
1897	2
1898	10
1899	1
1900	1
1901	7
1902	4
1903	24
1904	9
1905	1
1906	10
1907	8
1908	7
1909	7
1910	14
1911	11
1912	44
1913	19
1914	35
1915	34
1916	27
1917	134
1918	33
1919	59
1920	78
1921	55
1922	111
1923	120
1924	126
1925	137
1926	487
1927	151
1928	367
1929	213
1930	503
1931	591
1932	649
1933	205
1934	554
1935	208
1936	905
1937	279
1938	227
1939	394
1940	320
1941	444
1942	275
1943	338
1944	228
1945	693
1946	421
1947	373
1948	397
1949	455
1950	503
1951	606
1952	825
1953	398
1954	784
1955	612
1956	351
1957	304
1958	859
1959	411
1960	576
1961	386
1962	724
1963	291
1964	670
1965	282
1966	494
1967	1,419
1968	661
1969	670
1970	542
1971	552
1972	681
1973	800
1974	692
1975	869
1976	790
1977	766
1978	815
1979	585
1980	1,168
1981	646
1982	938
1983	1,241
1984	841
1985	793
1986	773
1987	968
1988	1,157
1989	827
1990	1,202
1991	589
1992	904
1993	1,198
1994	1,027
1995	1,347
1996	1,076
1997	688
1998	1,170
1999	1,428
2000	1,276
2001	1,004
2002	1,177
2003	1,256
2004	714
2005	932
2006	1,535
2007	1,171
2008	532
2009	816
2010	941
2011	989
2012	927
2013	761
2014	1,016
2015	547
2016	672
2017	467
2018	645
2019	561
2020	614
2021	674
2022	621
2023	1,157
2024	823
2025	720
2026	960

Download the Data

Data for records on 1981-07-15: 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	429
20 to 40	22
40 to 60	2
60 to 80	2
80 to 100	1