Weather Records on 3 October 1986

1,501 weather records were set or tied worldwide on 3 October 1986. Highest significance: Grenola 1 N, US.

Key Facts for 3 October 1986

On 3 October 1986, 1,501 weather records were set or tied at long-record stations worldwide.
664 were record highs and 219 were record lows, counting maximum and minimum temperature.
By timescale, 19 were all-time records, 153 monthly and 1,329 daily.
Grenola 1 N set a monthly record daily precipitation of 192.8 mm (7.6 in) on 3 October 1986.
Across 159 earlier years (1834 to 2026) the same calendar date averaged 451 records.

Record Map

1,501 stations

1,501 station records on 3 October 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 October 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grenola 1 N	United States	Record daily precipitation	192.8 mm (7.6 in)	81 of 100 (Exceptional)
Mattoon	United States	Record daily precipitation	76.2 mm (3.0 in)	74 of 100 (Major)
Howard 2SE	United States	Record daily precipitation	159.5 mm (6.3 in)	72 of 100 (Major)
Coldwater St School	United States	Record daily precipitation	69.9 mm (2.8 in)	71 of 100 (Major)
Streator 2SE	United States	Record daily precipitation	102.1 mm (4.0 in)	70 of 100 (Major)
Iola 1 W	United States	Record daily precipitation	141.0 mm (5.6 in)	68 of 100 (Major)
Moran	United States	Record daily precipitation	158.8 mm (6.3 in)	67 of 100 (Major)
Enid	United States	Record daily precipitation	230.1 mm (9.1 in)	67 of 100 (Major)
Walnut 4S	United States	Record daily precipitation	192.0 mm (7.6 in)	66 of 100 (Major)
Jefferson 3SE	United States	Record daily precipitation	152.4 mm (6.0 in)	65 of 100 (Major)
Appleton City	United States	Record daily precipitation	231.1 mm (9.1 in)	64 of 100 (Major)
Wellington	United States	Record daily precipitation	241.3 mm (9.5 in)	63 of 100 (Major)
Minonk	United States	Record daily precipitation	77.5 mm (3.1 in)	62 of 100 (Major)
Sedalia Wtp	United States	Record daily precipitation	132.1 mm (5.2 in)	62 of 100 (Major)
Trenton	United States	Record daily precipitation	59.9 mm (2.4 in)	62 of 100 (Major)
Avon	United States	Record daily precipitation	187.5 mm (7.4 in)	61 of 100 (Major)
Chenoa	United States	Record daily precipitation	143.8 mm (5.7 in)	61 of 100 (Major)
Elgin	United States	Record daily precipitation	166.6 mm (6.6 in)	61 of 100 (Major)
Hiram	United States	Record daily precipitation	48.5 mm (1.9 in)	61 of 100 (Major)
Ft Scott	United States	Record daily precipitation	218.4 mm (8.6 in)	60 of 100 (Major)
Eldorado Springs	United States	Record daily precipitation	173.2 mm (6.8 in)	60 of 100 (Major)
Moorcroft 3S	United States	Record daily precipitation	28.4 mm (1.1 in)	60 of 100 (Major)
Princeville	United States	Record daily precipitation	100.3 mm (3.9 in)	59 of 100 (Notable)
Le Roy	United States	Record daily precipitation	101.6 mm (4.0 in)	59 of 100 (Notable)
Niles	United States	Record daily precipitation	105.9 mm (4.2 in)	59 of 100 (Notable)
Osceola	United States	Record daily precipitation	184.9 mm (7.3 in)	59 of 100 (Notable)
Warsaw	United States	Record daily precipitation	93.7 mm (3.7 in)	58 of 100 (Notable)
Sedan	United States	Record daily precipitation	222.0 mm (8.7 in)	58 of 100 (Notable)
Algona	United States	Record daily precipitation	42.7 mm (1.7 in)	57 of 100 (Notable)
La Cygne 4ESE	United States	Record daily precipitation	97.8 mm (3.9 in)	57 of 100 (Notable)
Concordia	United States	Record daily precipitation	87.9 mm (3.5 in)	57 of 100 (Notable)
Renfrow 1 E	United States	Record daily precipitation	119.4 mm (4.7 in)	57 of 100 (Notable)
Taloga	United States	Record daily precipitation	137.7 mm (5.4 in)	57 of 100 (Notable)
Turkey	United States	Record daily precipitation	84.3 mm (3.3 in)	56 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	151.9 mm (6.0 in)	55 of 100 (Notable)
Grootfontein	South Africa	Record daily precipitation	44.0 mm (1.7 in)	54 of 100 (Notable)
Sweet Springs	United States	Record daily precipitation	90.2 mm (3.6 in)	54 of 100 (Notable)
Indianapolis	United States	Record daily precipitation	66.3 mm (2.6 in)	54 of 100 (Notable)
La Harpe	United States	Record daily precipitation	120.4 mm (4.7 in)	53 of 100 (Notable)
Fredonia	United States	Record daily precipitation	215.1 mm (8.5 in)	53 of 100 (Notable)
Butler 4W	United States	Record daily precipitation	133.9 mm (5.3 in)	53 of 100 (Notable)
Shelbina	United States	Record daily precipitation	96.5 mm (3.8 in)	53 of 100 (Notable)
Billings	United States	Record daily precipitation	200.2 mm (7.9 in)	53 of 100 (Notable)
Great Salt Plains Dam	United States	Record daily precipitation	97.3 mm (3.8 in)	53 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record daily precipitation	169.2 mm (6.7 in)	53 of 100 (Notable)
Prairie du Rocher 3 WNW	United States	Record daily precipitation	71.1 mm (2.8 in)	52 of 100 (Notable)
Wheatfield	United States	Record daily precipitation	62.7 mm (2.5 in)	52 of 100 (Notable)
Okeene	United States	Record daily precipitation	190.0 mm (7.5 in)	52 of 100 (Notable)
Weatherford	United States	Record daily precipitation	97.8 mm (3.9 in)	52 of 100 (Notable)
Auburn 2 SSE	United States	Record daily precipitation	65.0 mm (2.6 in)	51 of 100 (Notable)
Caldwell	United States	Record daily precipitation	82.6 mm (3.3 in)	51 of 100 (Notable)
Windsor	United States	Record daily precipitation	113.5 mm (4.5 in)	51 of 100 (Notable)
Hennessey 4 ESE	United States	Record daily precipitation	125.7 mm (4.9 in)	51 of 100 (Notable)
Orienta 1SSW	United States	Record daily precipitation	109.0 mm (4.3 in)	51 of 100 (Notable)
St Louis Lambert Intl AP	United States	Record daily precipitation	67.8 mm (2.7 in)	51 of 100 (Notable)
Palmyra	United States	Record daily precipitation	80.5 mm (3.2 in)	50 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	66.3 mm (2.6 in)	50 of 100 (Notable)
Helena 1 SSE	United States	Record daily precipitation	127.0 mm (5.0 in)	50 of 100 (Notable)
Medora 1 S	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Peotone	United States	Record daily precipitation	72.4 mm (2.9 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,501 records

Records set or tied on 3 October 1986 by type: Highest daily maximum 243, Lowest daily maximum 166, Highest daily minimum 421, Lowest daily minimum 53, Heaviest daily rainfall 594, Heaviest daily snowfall 11, Deepest snow cover 13.

Records on 3 October 1986 by type
Record type	Records
Highest daily maximum	243
Lowest daily maximum	166
Highest daily minimum	421
Lowest daily minimum	53
Heaviest daily rainfall	594
Heaviest daily snowfall	11
Deepest snow cover	13

Records on 3 October 1986 by timescale: all-time 19, monthly 153, daily 1,329.

How Much Records Were Beaten By

1,140 broken records

Margins by which the 1,140 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 166.6. Ties are not counted.

Top 20 by Significance

3 October 1986

Top 20 records on 3 October 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 October 1986	Grenola 1 N, US	monthly rain	192.8 mm (7.6 in)	100.1 mm (3.9 in)	73 years	81 of 100 (Exceptional)
3 October 1986	Mattoon, US	daily rain	76.2 mm (3.0 in)	59.2 mm (2.3 in)	84 years	74 of 100 (Major)
3 October 1986	Howard 2SE, US	monthly rain	159.5 mm (6.3 in)	65.0 mm (2.6 in)	49 years	72 of 100 (Major)
3 October 1986	Coldwater St School, US	daily rain	69.9 mm (2.8 in)	42.2 mm (1.7 in)	75 years	71 of 100 (Major)
3 October 1986	Streator 2SE, US	monthly rain	102.1 mm (4.0 in)	34.3 mm (1.4 in)	54 years	70 of 100 (Major)
3 October 1986	Iola 1 W, US	monthly rain	141.0 mm (5.6 in)	47.8 mm (1.9 in)	59 years	68 of 100 (Major)
3 October 1986	Moran, US	monthly rain	158.8 mm (6.3 in)	64.8 mm (2.6 in)	27 years	67 of 100 (Major)
3 October 1986	Enid, US	daily rain	230.1 mm (9.1 in)	166.6 mm (6.6 in)	60 years	67 of 100 (Major)
3 October 1986	Walnut 4S, US	all-time rain	192.0 mm (7.6 in)	46.2 mm (1.8 in)	38 years	66 of 100 (Major)
3 October 1986	Jefferson 3SE, US	daily rain	152.4 mm (6.0 in)	71.1 mm (2.8 in)	60 years	65 of 100 (Major)
3 October 1986	Appleton City, US	monthly rain	231.1 mm (9.1 in)	85.3 mm (3.4 in)	16 years	64 of 100 (Major)
3 October 1986	Wellington, US	all-time rain	241.3 mm (9.5 in)	66.0 mm (2.6 in)	1 year	63 of 100 (Major)
3 October 1986	Minonk, US	daily rain	77.5 mm (3.1 in)	57.2 mm (2.3 in)	44 years	62 of 100 (Major)
3 October 1986	Sedalia Wtp, US	daily rain	132.1 mm (5.2 in)	87.4 mm (3.4 in)	44 years	62 of 100 (Major)
3 October 1986	Trenton, US	daily rain	59.9 mm (2.4 in)	45.9 mm (1.8 in)	60 years	62 of 100 (Major)
3 October 1986	Avon, US	all-time rain	187.5 mm (7.4 in)	42.2 mm (1.7 in)	25 years	61 of 100 (Major)
3 October 1986	Chenoa, US	monthly rain	143.8 mm (5.7 in)	52.4 mm (2.1 in)	28 years	61 of 100 (Major)
3 October 1986	Elgin, US	daily rain	166.6 mm (6.6 in)	98.3 mm (3.9 in)	41 years	61 of 100 (Major)
3 October 1986	Hiram, US	daily rain	48.5 mm (1.9 in)	26.9 mm (1.1 in)	79 years	61 of 100 (Major)
3 October 1986	Ft Scott, US	all-time rain	218.4 mm (8.6 in)	15.2 mm (0.6 in)	75 years	60 of 100 (Major)

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

1834 to 1986

Records set or tied on this calendar date in each year from 1834 to 1986. 1986 had 1,501 records.

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

Records on 10-03 in each year
Year	Records
1834	1
1838	1
1841	1
1844	1
1849	1
1850	2
1853	1
1859	2
1864	4
1865	1
1867	1
1870	1
1872	2
1873	1
1875	1
1878	1
1879	1
1881	4
1882	1
1883	2
1885	1
1886	3
1887	1
1888	5
1889	2
1890	3
1891	5
1893	4
1894	3
1895	1
1897	4
1898	4
1899	7
1900	6
1901	6
1902	20
1903	3
1904	1
1905	7
1906	29
1907	5
1908	21
1909	13
1910	13
1911	22
1912	53
1913	17
1914	31
1915	13
1916	93
1917	77
1918	28
1919	46
1920	25
1921	82
1922	38
1923	46
1924	41
1925	171
1926	233
1927	335
1928	213
1929	223
1930	184
1931	256
1932	185
1933	178
1934	122
1935	423
1936	192
1937	386
1938	464
1939	352
1940	175
1941	662
1942	212
1943	306
1944	489
1945	521
1946	296
1947	725
1948	272
1949	426
1950	1,038
1951	706
1952	731
1953	645
1954	1,142
1955	426
1956	222
1957	469
1958	951
1959	704
1960	189
1961	804
1962	433
1963	431
1964	503
1965	281
1966	618
1967	610
1968	547
1969	624
1970	481
1971	511
1972	452
1973	613
1974	1,999
1975	809
1976	943
1977	480
1978	410
1979	573
1980	860
1981	1,138
1982	476
1983	648
1984	1,050
1985	1,013
1986	1,501
1987	1,324
1988	525
1989	906
1990	680
1991	862
1992	990
1993	926
1994	1,433
1995	1,249
1996	962
1997	1,085
1998	1,413
1999	1,683
2000	859
2001	846
2002	1,388
2003	1,107
2004	534
2005	1,406
2006	973
2007	872
2008	690
2009	1,322
2010	989
2011	1,024
2012	778
2013	856
2014	574
2015	824
2016	756
2017	1,064
2018	826
2019	1,427
2020	817
2021	635
2022	478
2023	1,024
2024	876
2025	733
2026	649

Download the Data

Data for records on 1986-10-03: 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 25	1,010
25 to 50	82
50 to 75	30
75 to 100	11
100 to 125	5
125 to 150	1
150 to 175	1