Weather Records on 22 September 1986

729 weather records were set or tied worldwide on 22 September 1986. Highest significance: Kalihi Rsch Site 777, US.

Key Facts for 22 September 1986

On 22 September 1986, 729 weather records were set or tied at long-record stations worldwide.
284 were record highs and 198 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 710 daily.
Kalihi Rsch Site 777 set a daily record precipitation of 99.1 mm (3.9 in) on 22 September 1986.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 426 records.

Record Map

729 stations

729 station records on 22 September 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 September 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kalihi Rsch Site 777	United States	Record daily precipitation	99.1 mm (3.9 in)	61 of 100 (Major)
Stanley Wwtp	United States	Record daily precipitation	104.1 mm (4.1 in)	58 of 100 (Notable)
Gladwin	United States	Record daily precipitation	50.3 mm (2.0 in)	54 of 100 (Notable)
Neillsville 3ESE	United States	Record daily precipitation	85.3 mm (3.4 in)	52 of 100 (Notable)
Owen 1E	United States	Record daily precipitation	61.0 mm (2.4 in)	52 of 100 (Notable)
Osceola	United States	Record daily precipitation	77.2 mm (3.0 in)	50 of 100 (Notable)
Medford	United States	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
Sugartown	United States	Record daily precipitation	55.6 mm (2.2 in)	49 of 100 (Notable)
Hancock Exp Farm	United States	Record daily precipitation	75.4 mm (3.0 in)	48 of 100 (Notable)
Bloomer	United States	Record daily precipitation	84.1 mm (3.3 in)	46 of 100 (Notable)
Hatfield	United States	Record daily precipitation	40.1 mm (1.6 in)	46 of 100 (Notable)
Georgetown Post Office	Australia	Record high minimum temperature	27.0 C (80.6 F)	45 of 100 (Notable)
Ann Arbor U of Mich	United States	Record daily precipitation	36.3 mm (1.4 in)	45 of 100 (Notable)
Dalton	United States	Record daily precipitation	77.0 mm (3.0 in)	45 of 100 (Notable)
Millington 3 SE	United States	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Fairchild Rs	United States	Record daily precipitation	70.6 mm (2.8 in)	43 of 100 (Notable)
Campbell	United States	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Blair	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Bangalore	India	Record daily precipitation	81.0 mm (3.2 in)	40 of 100 (Notable)
Montello Wwtp	United States	Record daily precipitation	124.7 mm (4.9 in)	40 of 100 (Notable)
Kwajalein	Marshall Islands	Record daily precipitation	88.4 mm (3.5 in)	38 of 100 (Notable)
Saint Johns	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Burketown Post Office	Australia	Record high maximum temperature	38.2 C (100.8 F)	37 of 100 (Notable)
Chico UNIV Farm	United States	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Ft Ripley	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Wis Rapids Grand Av B	United States	Record daily precipitation	60.5 mm (2.4 in)	37 of 100 (Notable)
Omaha Eppley Airfield	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Palmerville	Australia	Record high maximum temperature	39.0 C (102.2 F)	36 of 100 (Notable)
Imperial	United States	Record low maximum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Knoxville	United States	Record daily precipitation	55.1 mm (2.2 in)	36 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Elk	United States	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Cadillac	United States	Record daily precipitation	46.7 mm (1.8 in)	36 of 100 (Notable)
Burketown Post Office	Australia	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Navojoa	Mexico	Record daily precipitation	38.4 mm (1.5 in)	35 of 100 (Notable)
Meade	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Lowell	United States	Record low maximum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Monroe	United States	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Saginaw Consumers Pwr	United States	Record daily precipitation	48.8 mm (1.9 in)	35 of 100 (Notable)
Yale 1 NNW	United States	Record daily precipitation	57.9 mm (2.3 in)	35 of 100 (Notable)
Stanton	United States	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Goodrich 1 E	United States	Record daily precipitation	46.7 mm (1.8 in)	35 of 100 (Notable)
Ripon 5 NE	United States	Record daily precipitation	47.5 mm (1.9 in)	35 of 100 (Notable)
Kaneohe Mauka 781	United States	Record daily precipitation	52.1 mm (2.1 in)	35 of 100 (Notable)
Becanchen	Mexico	Record low minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Juzhno-Kurilsk	Russia	Record daily precipitation	86.6 mm (3.4 in)	34 of 100 (Routine)
Waterloo	United States	Record daily precipitation	51.6 mm (2.0 in)	34 of 100 (Routine)
Beaver Dam Wwtp	United States	Record daily precipitation	112.0 mm (4.4 in)	34 of 100 (Routine)
Cedar Falls Hydro Plt	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)
Kaneohe Bay MCAS	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	25.6 mm (1.0 in)	33 of 100 (Routine)
Syktyvkar	Russia	Record low minimum temperature	-3.7 C (25.3 F)	33 of 100 (Routine)
Potter Valley Powerhouse	United States	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Pontotoc	United States	Record daily precipitation	44.7 mm (1.8 in)	33 of 100 (Routine)
Wahoo	United States	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Portage Wwtp	United States	Record daily precipitation	62.2 mm (2.4 in)	33 of 100 (Routine)
Caracas-la Mariposa	Venezuela	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Mascota (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Fayette	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

729 records

Records set or tied on 22 September 1986 by type: Highest daily maximum 83, Lowest daily maximum 75, Highest daily minimum 201, Lowest daily minimum 123, Heaviest daily rainfall 245, Deepest snow cover 2.

Records on 22 September 1986 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	75
Highest daily minimum	201
Lowest daily minimum	123
Heaviest daily rainfall	245
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 22 September 1986 by timescale: all-time 1, monthly 18, daily 710.

How Much Records Were Beaten By

563 broken records

Margins by which the 563 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

22 September 1986

Top 20 records on 22 September 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 September 1986	Kalihi Rsch Site 777, US	daily rain	99.1 mm (3.9 in)	48.3 mm (1.9 in)	72 years	61 of 100 (Major)
22 September 1986	Stanley Wwtp, US	monthly rain	104.1 mm (4.1 in)	20.8 mm (0.8 in)	83 years	58 of 100 (Notable)
22 September 1986	Gladwin, US	daily rain	50.3 mm (2.0 in)	24.9 mm (1.0 in)	76 years	54 of 100 (Notable)
22 September 1986	Neillsville 3ESE, US	daily rain	85.3 mm (3.4 in)	49.5 mm (1.9 in)	27 years	52 of 100 (Notable)
22 September 1986	Owen 1E, US	daily rain	61.0 mm (2.4 in)	48.8 mm (1.9 in)	35 years	52 of 100 (Notable)
22 September 1986	Osceola, US	daily rain	77.2 mm (3.0 in)	59.4 mm (2.3 in)	12 years	50 of 100 (Notable)
22 September 1986	Medford, US	daily rain	62.7 mm (2.5 in)	19.5 mm (0.8 in)	91 years	50 of 100 (Notable)
22 September 1986	Sugartown, US	daily rain	55.6 mm (2.2 in)	31.2 mm (1.2 in)	90 years	49 of 100 (Notable)
22 September 1986	Hancock Exp Farm, US	daily rain	75.4 mm (3.0 in)	41.1 mm (1.6 in)	25 years	48 of 100 (Notable)
22 September 1986	Bloomer, US	daily rain	84.1 mm (3.3 in)	66.8 mm (2.6 in)	8 years	46 of 100 (Notable)
22 September 1986	Hatfield, US	daily rain	40.1 mm (1.6 in)	22.8 mm (0.9 in)	72 years	46 of 100 (Notable)
22 September 1986	Georgetown Post Office, AU	monthly high min	27.0 C (80.6 F)	2.1 C (3.8 F)	70 years	45 of 100 (Notable)
22 September 1986	Ann Arbor U of Mich, US	daily rain	36.3 mm (1.4 in)	14.2 mm (0.6 in)	73 years	45 of 100 (Notable)
22 September 1986	Dalton, US	daily rain	77.0 mm (3.0 in)	51.6 mm (2.0 in)	5 years	45 of 100 (Notable)
22 September 1986	Millington 3 SE, US	daily rain	61.0 mm (2.4 in)	17.1 mm (0.7 in)	61 years	44 of 100 (Notable)
22 September 1986	Fairchild Rs, US	daily rain	70.6 mm (2.8 in)	54.1 mm (2.1 in)	8 years	43 of 100 (Notable)
22 September 1986	Campbell, US	daily rain	52.8 mm (2.1 in)	23.8 mm (0.9 in)	27 years	42 of 100 (Notable)
22 September 1986	Blair, US	daily rain	72.4 mm (2.9 in)	40.6 mm (1.6 in)	27 years	42 of 100 (Notable)
22 September 1986	Bangalore, IN	daily rain	81.0 mm (3.2 in)	25.4 mm (1.0 in)	63 years	40 of 100 (Notable)
22 September 1986	Montello Wwtp, US	all-time rain	124.7 mm (4.9 in)	21.6 mm (0.9 in)	0 years	40 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

1793 to 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 729 records.

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

Records on 09-22 in each year
Year	Records
1793	1
1796	1
1824	1
1825	1
1827	1
1830	1
1835	1
1838	1
1840	1
1842	2
1845	1
1846	1
1848	1
1851	3
1855	1
1856	1
1858	1
1863	1
1865	1
1868	1
1872	1
1874	1
1875	1
1877	4
1878	1
1881	2
1882	3
1885	1
1886	1
1888	1
1889	2
1890	2
1892	3
1893	1
1894	1
1895	7
1896	2
1897	3
1898	8
1899	12
1900	3
1901	3
1902	7
1903	4
1904	34
1905	5
1906	16
1907	12
1908	10
1909	6
1910	18
1911	17
1912	17
1913	43
1914	48
1915	23
1916	236
1917	128
1918	25
1919	64
1920	35
1921	44
1922	27
1923	118
1924	132
1925	265
1926	214
1927	160
1928	119
1929	166
1930	231
1931	732
1932	189
1933	230
1934	348
1935	231
1936	448
1937	507
1938	394
1939	266
1940	621
1941	424
1942	323
1943	266
1944	299
1945	739
1946	288
1947	583
1948	345
1949	385
1950	394
1951	419
1952	383
1953	253
1954	359
1955	584
1956	490
1957	580
1958	633
1959	416
1960	360
1961	555
1962	732
1963	351
1964	249
1965	841
1966	595
1967	507
1968	526
1969	488
1970	1,197
1971	500
1972	448
1973	509
1974	1,075
1975	591
1976	538
1977	632
1978	620
1979	991
1980	1,199
1981	754
1982	1,122
1983	2,060
1984	614
1985	820
1986	729
1987	1,300
1988	665
1989	1,155
1990	795
1991	758
1992	1,011
1993	1,448
1994	941
1995	2,498
1996	916
1997	851
1998	1,251
1999	1,172
2000	1,508
2001	604
2002	718
2003	1,472
2004	948
2005	1,155
2006	1,260
2007	896
2008	830
2009	985
2010	1,217
2011	611
2012	568
2013	673
2014	812
2015	666
2016	1,096
2017	1,272
2018	574
2019	651
2020	687
2021	432
2022	985
2023	905
2024	502
2025	387
2026	309

Download the Data

Data for records on 1986-09-22: 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	461
10 to 20	54
20 to 30	24
30 to 40	10
40 to 50	9
50 to 60	3
60 to 70	1
70 to 80	1