Weather Records on 30 September 1966

592 weather records were set or tied worldwide on 30 September 1966. Highest significance: Susendal, NO.

Key Facts for 30 September 1966

On 30 September 1966, 592 weather records were set or tied at long-record stations worldwide.
138 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 573 daily.
Susendal set a daily record snow depth of 27.0 cm (10.6 in) on 30 September 1966.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 439 records.

Record Map

592 stations

592 station records on 30 September 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Susendal	Norway	Record snow depth	27.0 cm (10.6 in)	60 of 100 (Major)
Trangie Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	57 of 100 (Notable)
Pine Ridge (Mooki Springs)	Australia	Record daily precipitation	29.7 mm (1.2 in)	55 of 100 (Notable)
Chetwynd	Australia	Record daily precipitation	25.1 mm (1.0 in)	53 of 100 (Notable)
Moulamein Post Office	Australia	Record daily precipitation	50.5 mm (2.0 in)	50 of 100 (Notable)
Listowel Downs	Australia	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Gilgandra (Chelmsford Ave)	Australia	Record daily precipitation	36.8 mm (1.4 in)	47 of 100 (Notable)
Coolabah Post Office	Australia	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Pilliga Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Colachel Salt Fa	India	Record daily precipitation	81.3 mm (3.2 in)	46 of 100 (Notable)
Canary Island	Australia	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
Goulburn River @ Shepparton	Australia	Record daily precipitation	44.7 mm (1.8 in)	45 of 100 (Notable)
Barcaldine Post Office	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Nathalia (Post Office)	Australia	Record daily precipitation	43.9 mm (1.7 in)	43 of 100 (Notable)
Maude (Nap Nap)	Australia	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Kerang (Meran Downs)	Australia	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Barreiras	Brazil	Record daily precipitation	34.2 mm (1.3 in)	42 of 100 (Notable)
Dungowan Station	Australia	Record daily precipitation	26.9 mm (1.1 in)	41 of 100 (Notable)
Griffith Csiro	Australia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
West Quarter	Australia	Record daily precipitation	35.1 mm (1.4 in)	39 of 100 (Notable)
Bathurst	Canada	Record low maximum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Pahala 21	United States	Record daily precipitation	45.5 mm (1.8 in)	38 of 100 (Notable)
Darkwater	Australia	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Glenorie	Australia	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Mount Morris	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Bodangora Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	37 of 100 (Notable)
Augathella Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Euabalong (Booberoi)	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Calivil	Australia	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Scotia	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Oakwood	Australia	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Werrina	Australia	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Shepparton East	Australia	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Warren (Frawley St)	Australia	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Maude Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Benjeroop (Davey)	Australia	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Canary Island South	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Rajakkamangalam	India	Record daily precipitation	59.9 mm (2.4 in)	33 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Saint Johns	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Perola Park	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Mincha	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Zharkent	Kazakhstan	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Santa Clara UNIV	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Lake Boga	Australia	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Yarrawalla South	Australia	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Thamaraikulam	India	Record daily precipitation	40.0 mm (1.6 in)	31 of 100 (Routine)
Los Gatos	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Harden Park	Australia	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Trangie (Old Bundemar)	Australia	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Wakool Dampier St	Australia	Record daily precipitation	37.3 mm (1.5 in)	30 of 100 (Routine)
Baring (Kinta)	Australia	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Gladfield Hopefield Estate	Australia	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Sapphire Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Kerang	Australia	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Vilnius	Lithuania	Record low minimum temperature	-1.4 C (29.5 F)	29 of 100 (Routine)
Whitewood Post Office	Australia	Record daily precipitation	58.2 mm (2.3 in)	28 of 100 (Routine)
Premer (Eden Moor)	Australia	Record daily precipitation	27.7 mm (1.1 in)	28 of 100 (Routine)
Mathoura (Mathoura Station)	Australia	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Barham (Thule Street)	Australia	Record daily precipitation	32.3 mm (1.3 in)	28 of 100 (Routine)

Counts by Type and Timescale

592 records

Records set or tied on 30 September 1966 by type: Highest daily maximum 79, Lowest daily maximum 36, Highest daily minimum 59, Lowest daily minimum 21, Heaviest daily rainfall 394, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 30 September 1966 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	36
Highest daily minimum	59
Lowest daily minimum	21
Heaviest daily rainfall	394
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 30 September 1966 by timescale: all-time 0, monthly 19, daily 573.

How Much Records Were Beaten By

517 broken records

Margins by which the 517 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

30 September 1966

Top 20 records on 30 September 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1966	Susendal, NO	daily snow depth	27.0 cm (10.6 in)	16.0 cm (6.3 in)	44 years	60 of 100 (Major)
30 September 1966	Trangie Post Office, AU	daily rain	34.0 mm (1.3 in)	28.4 mm (1.1 in)	49 years	57 of 100 (Notable)
30 September 1966	Pine Ridge (Mooki Springs), AU	daily rain	29.7 mm (1.2 in)	22.3 mm (0.9 in)	77 years	55 of 100 (Notable)
30 September 1966	Chetwynd, AU	daily rain	25.1 mm (1.0 in)	14.9 mm (0.6 in)	66 years	53 of 100 (Notable)
30 September 1966	Moulamein Post Office, AU	daily rain	50.5 mm (2.0 in)	27.1 mm (1.1 in)	12 years	50 of 100 (Notable)
30 September 1966	Listowel Downs, AU	daily rain	29.0 mm (1.1 in)	27.7 mm (1.1 in)	55 years	47 of 100 (Notable)
30 September 1966	Gilgandra (Chelmsford Ave), AU	daily rain	36.8 mm (1.4 in)	26.1 mm (1.0 in)	41 years	47 of 100 (Notable)
30 September 1966	Coolabah Post Office, AU	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	60 years	46 of 100 (Notable)
30 September 1966	Pilliga Post Office, AU	daily rain	33.8 mm (1.3 in)	21.1 mm (0.8 in)	60 years	46 of 100 (Notable)
30 September 1966	Colachel Salt Fa, IN	daily rain	81.3 mm (3.2 in)	39.1 mm (1.5 in)	45 years	46 of 100 (Notable)
30 September 1966	Canary Island, AU	daily rain	39.6 mm (1.6 in)	17.0 mm (0.7 in)	37 years	45 of 100 (Notable)
30 September 1966	Goulburn River @ Shepparton, AU	daily rain	44.7 mm (1.8 in)	22.9 mm (0.9 in)	12 years	45 of 100 (Notable)
30 September 1966	Barcaldine Post Office, AU	daily rain	31.0 mm (1.2 in)	15.5 mm (0.6 in)	67 years	43 of 100 (Notable)
30 September 1966	Nathalia (Post Office), AU	daily rain	43.9 mm (1.7 in)	24.1 mm (0.9 in)	3 years	43 of 100 (Notable)
30 September 1966	Maude (Nap Nap), AU	daily rain	34.3 mm (1.4 in)	18.8 mm (0.7 in)	12 years	42 of 100 (Notable)
30 September 1966	Kerang (Meran Downs), AU	daily rain	39.9 mm (1.6 in)	15.5 mm (0.6 in)	37 years	42 of 100 (Notable)
30 September 1966	Barreiras, BR	daily rain	34.2 mm (1.3 in)	31.0 mm (1.2 in)	20 years	42 of 100 (Notable)
30 September 1966	Dungowan Station, AU	daily rain	26.9 mm (1.1 in)	16.2 mm (0.6 in)	55 years	41 of 100 (Notable)
30 September 1966	Griffith Csiro, AU	daily rain	31.0 mm (1.2 in)	14.2 mm (0.6 in)	39 years	40 of 100 (Notable)
30 September 1966	West Quarter, AU	daily rain	35.1 mm (1.4 in)	30.8 mm (1.2 in)	41 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

1806 to 1966

Records set or tied on this calendar date in each year from 1806 to 1966. 1966 had 592 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 1966-09-30: 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 20	488
20 to 40	28
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1