Weather Records on 30 September 1986

1,805 weather records were set or tied worldwide on 30 September 1986. Highest significance: Roma Post Office, AU.

Key Facts for 30 September 1986

On 30 September 1986, 1,805 weather records were set or tied at long-record stations worldwide.
872 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 73 monthly and 1,721 daily.
Roma Post Office set a daily record precipitation of 65.0 mm (2.6 in) on 30 September 1986.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 431 records.

Record Map

1,805 stations

1,805 station records on 30 September 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Roma Post Office	Australia	Record daily precipitation	65.0 mm (2.6 in)	76 of 100 (Major)
Brewarrina (Talawanta)	Australia	Record daily precipitation	60.8 mm (2.4 in)	74 of 100 (Major)
Jerome	United States	Record daily precipitation	75.7 mm (3.0 in)	70 of 100 (Major)
Gabes	Tunisia	Record daily precipitation	91.9 mm (3.6 in)	68 of 100 (Major)
Shelbina	United States	Record daily precipitation	87.6 mm (3.4 in)	66 of 100 (Major)
Moonmera	Australia	Record daily precipitation	65.0 mm (2.6 in)	65 of 100 (Major)
Brazzaville	Congo (Brazzaville)	Record daily precipitation	254.0 mm (10.0 in)	65 of 100 (Major)
Lebanon 2W	United States	Record daily precipitation	74.7 mm (2.9 in)	65 of 100 (Major)
Pryor	United States	Record daily precipitation	165.9 mm (6.5 in)	64 of 100 (Major)
Calliope Station	Australia	Record daily precipitation	62.5 mm (2.5 in)	63 of 100 (Major)
Stillwater 2 W	United States	Record daily precipitation	125.7 mm (4.9 in)	63 of 100 (Major)
Hennessey 4 ESE	United States	Record daily precipitation	112.5 mm (4.4 in)	62 of 100 (Major)
Enngonia (Belalie)	Australia	Record daily precipitation	37.2 mm (1.5 in)	61 of 100 (Major)
Cassville 1 NE	United States	Record daily precipitation	128.3 mm (5.1 in)	61 of 100 (Major)
Waiawa 943	United States	Record daily precipitation	40.6 mm (1.6 in)	61 of 100 (Major)
Okeene	United States	Record daily precipitation	101.6 mm (4.0 in)	60 of 100 (Major)
Tahlequah	United States	Record daily precipitation	109.2 mm (4.3 in)	60 of 100 (Major)
Gracemere Russell St	Australia	Record daily precipitation	42.0 mm (1.7 in)	59 of 100 (Notable)
Eleele 927	United States	Record daily precipitation	71.9 mm (2.8 in)	59 of 100 (Notable)
Winfield 3NE	United States	Record daily precipitation	114.3 mm (4.5 in)	58 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	78.2 mm (3.1 in)	57 of 100 (Notable)
Lockwood	United States	Record daily precipitation	129.5 mm (5.1 in)	57 of 100 (Notable)
Nevada Wtp	United States	Record daily precipitation	92.7 mm (3.6 in)	57 of 100 (Notable)
Crosbyton	United States	Record daily precipitation	88.6 mm (3.5 in)	57 of 100 (Notable)
Lamar 7N	United States	Record daily precipitation	163.1 mm (6.4 in)	56 of 100 (Notable)
Haskell	United States	Record daily precipitation	115.8 mm (4.6 in)	56 of 100 (Notable)
Mannford 6 NW	United States	Record daily precipitation	137.7 mm (5.4 in)	56 of 100 (Notable)
Charvak	Uzbekistan	Record daily precipitation	50.7 mm (2.0 in)	56 of 100 (Notable)
Gabbin	Australia	Record daily precipitation	34.5 mm (1.4 in)	55 of 100 (Notable)
Glenlands	Australia	Record daily precipitation	74.4 mm (2.9 in)	55 of 100 (Notable)
Angledool (Angledool Station)	Australia	Record daily precipitation	42.2 mm (1.7 in)	55 of 100 (Notable)
Enid	United States	Record daily precipitation	101.6 mm (4.0 in)	55 of 100 (Notable)
Kingfisher	United States	Record daily precipitation	85.3 mm (3.4 in)	55 of 100 (Notable)
Mount Larcom Post Office	Australia	Record daily precipitation	41.4 mm (1.6 in)	54 of 100 (Notable)
Eumundi - Crescent Rd	Australia	Record daily precipitation	57.2 mm (2.3 in)	54 of 100 (Notable)
Perry	United States	Record daily precipitation	112.3 mm (4.4 in)	54 of 100 (Notable)
Wahiawa 930	United States	Record daily precipitation	88.4 mm (3.5 in)	54 of 100 (Notable)
Walterhall	Australia	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Wheaton 3 SE	United States	Record daily precipitation	50.3 mm (2.0 in)	53 of 100 (Notable)
Ft Scott	United States	Record daily precipitation	103.6 mm (4.1 in)	53 of 100 (Notable)
Springfield	United States	Record daily precipitation	97.8 mm (3.9 in)	53 of 100 (Notable)
Rockhampton Aero	Australia	Record daily precipitation	51.2 mm (2.0 in)	52 of 100 (Notable)
Lightning Ridge Post Office	Australia	Record daily precipitation	39.2 mm (1.5 in)	52 of 100 (Notable)
Pierce City	United States	Record daily precipitation	127.3 mm (5.0 in)	52 of 100 (Notable)
Steffenville	United States	Record daily precipitation	76.5 mm (3.0 in)	52 of 100 (Notable)
Great Salt Plains Dam	United States	Record daily precipitation	80.3 mm (3.2 in)	52 of 100 (Notable)
Mount Jukes	Australia	Record daily precipitation	37.0 mm (1.5 in)	51 of 100 (Notable)
Neosho	United States	Record daily precipitation	150.6 mm (5.9 in)	51 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	127.0 mm (5.0 in)	51 of 100 (Notable)
Watonga	United States	Record daily precipitation	69.9 mm (2.8 in)	51 of 100 (Notable)
Mannersley	Australia	Record daily precipitation	78.0 mm (3.1 in)	50 of 100 (Notable)
Rockley	Australia	Record daily precipitation	63.4 mm (2.5 in)	50 of 100 (Notable)
Lightning Ridge (Guiseley)	Australia	Record daily precipitation	45.6 mm (1.8 in)	50 of 100 (Notable)
Marra Creek (Womboin)	Australia	Record daily precipitation	68.0 mm (2.7 in)	50 of 100 (Notable)
Cuitzmala	Mexico	Record daily precipitation	132.3 mm (5.2 in)	50 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	53.8 mm (2.1 in)	50 of 100 (Notable)
Cedar Vale 5SSE	United States	Record daily precipitation	120.7 mm (4.8 in)	50 of 100 (Notable)
Labelle	United States	Record daily precipitation	88.4 mm (3.5 in)	50 of 100 (Notable)
Waimea 947	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Cobar (Tindarey)	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,805 records

Records set or tied on 30 September 1986 by type: Highest daily maximum 279, Lowest daily maximum 100, Highest daily minimum 593, Lowest daily minimum 75, Heaviest daily rainfall 754, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 30 September 1986 by type
Record type	Records
Highest daily maximum	279
Lowest daily maximum	100
Highest daily minimum	593
Lowest daily minimum	75
Heaviest daily rainfall	754
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 30 September 1986 by timescale: all-time 11, monthly 73, daily 1,721.

How Much Records Were Beaten By

1,473 broken records

Margins by which the 1,473 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 188.0. Ties are not counted.

Top 20 by Significance

30 September 1986

Top 20 records on 30 September 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1986	Roma Post Office, AU	daily rain	65.0 mm (2.6 in)	42.4 mm (1.7 in)	87 years	76 of 100 (Major)
30 September 1986	Brewarrina (Talawanta), AU	daily rain	60.8 mm (2.4 in)	55.2 mm (2.2 in)	80 years	74 of 100 (Major)
30 September 1986	Jerome, US	daily rain	75.7 mm (3.0 in)	46.7 mm (1.8 in)	92 years	70 of 100 (Major)
30 September 1986	Gabes, TN	daily rain	91.9 mm (3.6 in)	84.0 mm (3.3 in)	60 years	68 of 100 (Major)
30 September 1986	Shelbina, US	daily rain	87.6 mm (3.4 in)	49.5 mm (1.9 in)	92 years	66 of 100 (Major)
30 September 1986	Moonmera, AU	daily rain	65.0 mm (2.6 in)	51.8 mm (2.0 in)	59 years	65 of 100 (Major)
30 September 1986	Brazzaville, CG	monthly rain	254.0 mm (10.0 in)	188.0 mm (7.4 in)	39 years	65 of 100 (Major)
30 September 1986	Lebanon 2W, US	daily rain	74.7 mm (2.9 in)	48.0 mm (1.9 in)	92 years	65 of 100 (Major)
30 September 1986	Pryor, US	daily rain	165.9 mm (6.5 in)	130.3 mm (5.1 in)	60 years	64 of 100 (Major)
30 September 1986	Calliope Station, AU	daily rain	62.5 mm (2.5 in)	49.3 mm (1.9 in)	52 years	63 of 100 (Major)
30 September 1986	Stillwater 2 W, US	daily rain	125.7 mm (4.9 in)	74.4 mm (2.9 in)	63 years	63 of 100 (Major)
30 September 1986	Hennessey 4 ESE, US	daily rain	112.5 mm (4.4 in)	79.0 mm (3.1 in)	44 years	62 of 100 (Major)
30 September 1986	Enngonia (Belalie), AU	daily rain	37.2 mm (1.5 in)	32.1 mm (1.3 in)	55 years	61 of 100 (Major)
30 September 1986	Cassville 1 NE, US	monthly rain	128.3 mm (5.1 in)	55.9 mm (2.2 in)	18 years	61 of 100 (Major)
30 September 1986	Waiawa 943, US	daily rain	40.6 mm (1.6 in)	31.2 mm (1.2 in)	64 years	61 of 100 (Major)
30 September 1986	Okeene, US	daily rain	101.6 mm (4.0 in)	68.6 mm (2.7 in)	40 years	60 of 100 (Major)
30 September 1986	Tahlequah, US	daily rain	109.2 mm (4.3 in)	60.9 mm (2.4 in)	60 years	60 of 100 (Major)
30 September 1986	Gracemere Russell St, AU	daily rain	42.0 mm (1.7 in)	28.0 mm (1.1 in)	80 years	59 of 100 (Notable)
30 September 1986	Eleele 927, US	monthly rain	71.9 mm (2.8 in)	28.7 mm (1.1 in)	21 years	59 of 100 (Notable)
30 September 1986	Winfield 3NE, US	daily rain	114.3 mm (4.5 in)	63.5 mm (2.5 in)	40 years	58 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

1806 to 1986

Records set or tied on this calendar date in each year from 1806 to 1986. 1986 had 1,805 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 1986-09-30: 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 2026-10-17 (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	1,308
25 to 50	113
50 to 75	31
75 to 100	13
100 to 125	4
125 to 150	2
150 to 175	1
175 to 200	1