Weather Records on 8 September 1986

1,203 weather records were set or tied worldwide on 8 September 1986. Highest significance: Princeville Rch 1117, US.

Key Facts for 8 September 1986

On 8 September 1986, 1,203 weather records were set or tied at long-record stations worldwide.
117 were record highs and 959 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 7 monthly and 1,194 daily.
Princeville Rch 1117 set a monthly record daily precipitation of 158.8 mm (6.3 in) on 8 September 1986.
Across 170 earlier years (1802 to 2026) the same calendar date averaged 438 records.

Record Map

1,203 stations

1,203 station records on 8 September 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 September 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Princeville Rch 1117	United States	Record daily precipitation	158.8 mm (6.3 in)	57 of 100 (Notable)
Chumpuruk	Russia	Record daily precipitation	35.7 mm (1.4 in)	55 of 100 (Notable)
Red Rvr	United States	Record daily precipitation	27.9 mm (1.1 in)	53 of 100 (Notable)
Beaver	United States	Record low maximum temperature	12.8 C (55.0 F)	51 of 100 (Notable)
Forrest State Forest	Australia	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Eskridge	United States	Record low maximum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
San Bartolo	Mexico	Record daily precipitation	81.8 mm (3.2 in)	43 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Mt Ayr	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Richfield	United States	Record low maximum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Windsor	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Toledo Blade	United States	Record low minimum temperature	6.7 C (44.1 F)	42 of 100 (Notable)
Jarud Qi	China	Record daily precipitation	37.0 mm (1.5 in)	41 of 100 (Notable)
Olney 2S	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Sac City	United States	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Humboldt 3 W	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Topo Chico	Mexico	Record daily precipitation	102.9 mm (4.1 in)	39 of 100 (Notable)
Le Mars	United States	Record low minimum temperature	2.8 C (37.0 F)	39 of 100 (Notable)
Rockwell City	United States	Record low minimum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
Paola	United States	Record low minimum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Albert Lea 3SE	United States	Record low minimum temperature	3.3 C (37.9 F)	39 of 100 (Notable)
Bolivar	United States	Record low minimum temperature	-1.1 C (30.0 F)	39 of 100 (Notable)
Henrietta	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Missoula Intl AP	United States	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)
Wudu	China	Record daily precipitation	35.0 mm (1.4 in)	38 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Vanersborg	Sweden	Record low minimum temperature	1.0 C (33.8 F)	38 of 100 (Notable)
Landsort	Sweden	Record low minimum temperature	2.0 C (35.6 F)	38 of 100 (Notable)
Lamoni	United States	Record low minimum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Fremont	United States	Record low minimum temperature	3.9 C (39.0 F)	38 of 100 (Notable)
Valmora	United States	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Arnett 3NE	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Brackettville	United States	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Orebro	Sweden	Record low minimum temperature	0.2 C (32.4 F)	37 of 100 (Notable)
Estherville 4E	United States	Record low minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Sheldon	United States	Record low minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Sedalia Wtp	United States	Record low minimum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
Wibaux 2 E	United States	Record low minimum temperature	-1.7 C (28.9 F)	37 of 100 (Notable)
Superior	United States	Record low maximum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Tekamah	United States	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Wakefield 3NW	United States	Record low minimum temperature	2.8 C (37.0 F)	37 of 100 (Notable)
Perry	United States	Record low maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	37.1 mm (1.5 in)	37 of 100 (Notable)
1 N McLeansboro	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Nashville 1 E	United States	Record low minimum temperature	7.2 C (45.0 F)	36 of 100 (Notable)
Rock Rapids	United States	Record low minimum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Sidney 1SSE	United States	Record low minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Albion	United States	Record low minimum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Crete 4ESE	United States	Record low minimum temperature	6.1 C (43.0 F)	36 of 100 (Notable)
David City 4E	United States	Record low minimum temperature	6.1 C (43.0 F)	36 of 100 (Notable)
Hartington	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Bowling Green Wwtp	United States	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Fremont	United States	Record low maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Wagoner	United States	Record low maximum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Niu Ridge 1035	United States	Record daily precipitation	42.2 mm (1.7 in)	36 of 100 (Notable)
Karlstad	Sweden	Record low minimum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Skara 1	Sweden	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Palmyra	Syria	Record high minimum temperature	26.4 C (79.5 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,203 records

Records set or tied on 8 September 1986 by type: Highest daily maximum 57, Lowest daily maximum 418, Highest daily minimum 60, Lowest daily minimum 541, Heaviest daily rainfall 127.

Records on 8 September 1986 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	418
Highest daily minimum	60
Lowest daily minimum	541
Heaviest daily rainfall	127
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 8 September 1986 by timescale: all-time 2, monthly 7, daily 1,194.

How Much Records Were Beaten By

944 broken records

Margins by which the 944 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.6. Ties are not counted.

Top 20 by Significance

8 September 1986

Top 20 records on 8 September 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 September 1986	Princeville Rch 1117, US	monthly rain	158.8 mm (6.3 in)	62.8 mm (2.5 in)	11 years	57 of 100 (Notable)
8 September 1986	Chumpuruk, RU	monthly rain	35.7 mm (1.4 in)	14.2 mm (0.6 in)	9 years	55 of 100 (Notable)
8 September 1986	Red Rvr, US	daily rain	27.9 mm (1.1 in)	12.9 mm (0.5 in)	67 years	53 of 100 (Notable)
8 September 1986	Beaver, US	daily low max	12.8 C (55.0 F)	9.4 C (16.9 F)	86 years	51 of 100 (Notable)
8 September 1986	Forrest State Forest, AU	daily rain	31.0 mm (1.2 in)	16.8 mm (0.7 in)	52 years	46 of 100 (Notable)
8 September 1986	Mt Vernon 3 NE, US	daily low max	15.6 C (60.1 F)	5.5 C (9.9 F)	80 years	44 of 100 (Notable)
8 September 1986	Eskridge, US	daily low max	16.1 C (61.0 F)	5.0 C (9.0 F)	86 years	44 of 100 (Notable)
8 September 1986	San Bartolo, MX	all-time rain	81.8 mm (3.2 in)	17.0 mm (0.7 in)	6 years	43 of 100 (Notable)
8 September 1986	Cimarron 4 SW, US	daily rain	27.9 mm (1.1 in)	13.4 mm (0.5 in)	75 years	43 of 100 (Notable)
8 September 1986	Mt Ayr, US	daily low min	2.8 C (37.0 F)	3.9 C (7.0 F)	87 years	42 of 100 (Notable)
8 September 1986	Richfield, US	daily low max	12.8 C (55.0 F)	8.3 C (14.9 F)	65 years	42 of 100 (Notable)
8 September 1986	Windsor, US	daily low max	18.3 C (64.9 F)	3.9 C (7.0 F)	87 years	42 of 100 (Notable)
8 September 1986	Toledo Blade, US	daily low min	6.7 C (44.1 F)	1.1 C (2.0 F)	105 years	42 of 100 (Notable)
8 September 1986	Jarud Qi, CN	daily rain	37.0 mm (1.5 in)	25.7 mm (1.0 in)	31 years	41 of 100 (Notable)
8 September 1986	Olney 2S, US	daily low min	2.8 C (37.0 F)	3.3 C (5.9 F)	87 years	41 of 100 (Notable)
8 September 1986	Sac City, US	daily low min	3.3 C (37.9 F)	3.4 C (6.1 F)	87 years	41 of 100 (Notable)
8 September 1986	Humboldt 3 W, US	daily low min	2.2 C (36.0 F)	2.8 C (5.0 F)	87 years	40 of 100 (Notable)
8 September 1986	Topo Chico, MX	daily rain	102.9 mm (4.1 in)	70.6 mm (2.8 in)	7 years	39 of 100 (Notable)
8 September 1986	Le Mars, US	daily low min	2.8 C (37.0 F)	2.8 C (5.0 F)	87 years	39 of 100 (Notable)
8 September 1986	Rockwell City, US	daily low min	3.9 C (39.0 F)	2.2 C (4.0 F)	87 years	39 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

1802 to 1986

Records set or tied on this calendar date in each year from 1802 to 1986. 1986 had 1,203 records.

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

Records on 09-08 in each year
Year	Records
1802	1
1806	1
1813	1
1814	2
1815	2
1833	1
1837	1
1845	2
1847	2
1848	1
1850	2
1851	1
1854	1
1855	3
1857	1
1860	3
1864	1
1865	2
1866	1
1867	1
1868	1
1869	1
1870	1
1871	2
1872	2
1873	1
1877	1
1878	2
1879	4
1881	3
1883	2
1885	2
1886	1
1887	1
1888	1
1890	2
1891	1
1893	3
1894	9
1895	6
1896	2
1897	3
1898	5
1899	3
1900	4
1901	6
1902	3
1903	13
1904	4
1905	10
1906	14
1907	7
1908	4
1909	7
1910	9
1911	20
1912	62
1913	19
1914	37
1915	32
1916	25
1917	166
1918	31
1919	240
1920	59
1921	299
1922	206
1923	116
1924	138
1925	232
1926	141
1927	177
1928	93
1929	397
1930	156
1931	480
1932	465
1933	728
1934	407
1935	353
1936	535
1937	222
1938	397
1939	547
1940	297
1941	477
1942	375
1943	488
1944	769
1945	423
1946	325
1947	586
1948	340
1949	765
1950	570
1951	389
1952	382
1953	324
1954	309
1955	481
1956	717
1957	427
1958	480
1959	667
1960	678
1961	351
1962	682
1963	378
1964	294
1965	472
1966	351
1967	380
1968	308
1969	556
1970	582
1971	704
1972	523
1973	873
1974	626
1975	564
1976	639
1977	726
1978	1,165
1979	813
1980	739
1981	854
1982	605
1983	1,154
1984	1,123
1985	1,492
1986	1,203
1987	880
1988	856
1989	648
1990	747
1991	806
1992	869
1993	783
1994	704
1995	1,324
1996	609
1997	892
1998	1,331
1999	1,196
2000	981
2001	1,643
2002	1,238
2003	819
2004	1,576
2005	1,015
2006	850
2007	1,112
2008	878
2009	832
2010	1,143
2011	1,554
2012	813
2013	831
2014	515
2015	728
2016	951
2017	978
2018	724
2019	903
2020	1,952
2021	1,080
2022	1,567
2023	1,242
2024	1,336
2025	707
2026	699

Download the Data

Data for records on 1986-09-08: 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 10	908
10 to 20	25
20 to 30	7
30 to 40	2
40 to 50	0
50 to 60	0
60 to 70	1
70 to 80	1