Weather Records on 30 October 1972

902 weather records were set or tied worldwide on 30 October 1972. Highest significance: Helensburgh (Sawan St), AU.

Key Facts for 30 October 1972

On 30 October 1972, 902 weather records were set or tied at long-record stations worldwide.
82 were record highs and 438 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 100 monthly and 802 daily.
Helensburgh (Sawan St) set a daily record precipitation of 141.0 mm (5.6 in) on 30 October 1972.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 487 records.

Record Map

902 stations

902 station records on 30 October 1972 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1972: highest significance records shown on the map
Station	Country	Type	Value	Significance
Helensburgh (Sawan St)	Australia	Record daily precipitation	141.0 mm (5.6 in)	64 of 100 (Major)
Lawson (Wilson Street)	Australia	Record daily precipitation	92.5 mm (3.6 in)	63 of 100 (Major)
Murwillumbah Post Office	Australia	Record daily precipitation	179.3 mm (7.1 in)	58 of 100 (Notable)
South Grafton Post Office	Australia	Record daily precipitation	134.9 mm (5.3 in)	57 of 100 (Notable)
Norwood	United States	Record daily snowfall	17.8 cm (7.0 in)	53 of 100 (Notable)
Palmwoods Post Office	Australia	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Blackheath (Lawrence St)	Australia	Record daily precipitation	104.4 mm (4.1 in)	52 of 100 (Notable)
Coraki Post Office	Australia	Record daily precipitation	91.4 mm (3.6 in)	51 of 100 (Notable)
Leura Post Office	Australia	Record daily precipitation	136.4 mm (5.4 in)	51 of 100 (Notable)
Como	Australia	Record daily precipitation	101.6 mm (4.0 in)	50 of 100 (Notable)
Westbrook	Australia	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
Chillingham (Limpinwood)	Australia	Record daily precipitation	175.0 mm (6.9 in)	48 of 100 (Notable)
Penrith Ladbury Avenue	Australia	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Grand Junction Walker Fld	United States	Record snow depth	10.2 cm (4.0 in)	48 of 100 (Notable)
Mayville	United States	Record daily snowfall	6.4 cm (2.5 in)	47 of 100 (Notable)
Ketchikan AP	United States	Record daily precipitation	161.8 mm (6.4 in)	47 of 100 (Notable)
Miva	Australia	Record daily precipitation	64.3 mm (2.5 in)	45 of 100 (Notable)
Aguai	Brazil	Record daily precipitation	127.1 mm (5.0 in)	44 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	131.3 mm (5.2 in)	43 of 100 (Notable)
Gloucester Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Dapto West (Stane Dykes)	Australia	Record daily precipitation	85.1 mm (3.4 in)	43 of 100 (Notable)
Captains Flat (Foxlow St)	Australia	Record daily precipitation	57.4 mm (2.3 in)	43 of 100 (Notable)
Camden (Brownlow Hill)	Australia	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Marulan (George St)	Australia	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Walden	United States	Record low maximum temperature	-6.7 C (19.9 F)	42 of 100 (Notable)
Chaco Canyon Natl Mon	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Concord Golf Club	Australia	Record daily precipitation	67.8 mm (2.7 in)	41 of 100 (Notable)
Ft Benton	United States	Record low maximum temperature	-7.2 C (19.0 F)	41 of 100 (Notable)
Melstone	United States	Record low minimum temperature	-18.9 C (-2.0 F)	41 of 100 (Notable)
Wrangell AP	United States	Record daily precipitation	83.8 mm (3.3 in)	41 of 100 (Notable)
Concordia ASOS	United States	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Pembina	United States	Record daily snowfall	11.4 cm (4.5 in)	41 of 100 (Notable)
Limbri Post Office	Australia	Record daily precipitation	44.7 mm (1.8 in)	40 of 100 (Notable)
Potts Hill Reservoir	Australia	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	67.8 mm (2.7 in)	40 of 100 (Notable)
Ft Benton	United States	Record low minimum temperature	-20.6 C (-5.1 F)	40 of 100 (Notable)
Grand Junction Walker Fld	United States	Record low maximum temperature	0.6 C (33.1 F)	40 of 100 (Notable)
Goomboorian	Australia	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Collbran	United States	Record low maximum temperature	-2.2 C (28.0 F)	39 of 100 (Notable)
Ada	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Nacogdoches	United States	Record daily precipitation	73.2 mm (2.9 in)	39 of 100 (Notable)
Kanosh	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Yalwal	Australia	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
Des Arc	United States	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Angus 1 N	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Melstone	United States	Record snow depth	15.2 cm (6.0 in)	38 of 100 (Notable)
Pioche	United States	Record low maximum temperature	-0.6 C (30.9 F)	38 of 100 (Notable)
Humboldt	Canada	Record low minimum temperature	-22.2 C (-8.0 F)	36 of 100 (Notable)
Aspen	United States	Record daily snowfall	20.8 cm (8.2 in)	36 of 100 (Notable)
Roseau	United States	Record daily snowfall	16.5 cm (6.5 in)	36 of 100 (Notable)
Warroad	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Chattanooga	United States	Record daily precipitation	61.2 mm (2.4 in)	36 of 100 (Notable)
Duchesne	United States	Record daily snowfall	9.1 cm (3.6 in)	36 of 100 (Notable)
Loongana	Australia	Record daily precipitation	41.9 mm (1.6 in)	35 of 100 (Notable)
Gympie	Australia	Record daily precipitation	58.4 mm (2.3 in)	35 of 100 (Notable)
Warwick Post Office	Australia	Record daily precipitation	105.2 mm (4.1 in)	35 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	91.9 mm (3.6 in)	35 of 100 (Notable)
Roseville Bowling Club	Australia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Robertson (Caalong Street)	Australia	Record daily precipitation	235.0 mm (9.3 in)	35 of 100 (Notable)

Counts by Type and Timescale

902 records

Records set or tied on 30 October 1972 by type: Highest daily maximum 24, Lowest daily maximum 255, Highest daily minimum 58, Lowest daily minimum 183, Heaviest daily rainfall 254, Heaviest daily snowfall 101, Deepest snow cover 27.

Records on 30 October 1972 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	255
Highest daily minimum	58
Lowest daily minimum	183
Heaviest daily rainfall	254
Heaviest daily snowfall	101
Deepest snow cover	27

Records on 30 October 1972 by timescale: all-time 0, monthly 100, daily 802.

How Much Records Were Beaten By

741 broken records

Margins by which the 741 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

30 October 1972

Top 20 records on 30 October 1972 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1972	Helensburgh (Sawan St), AU	daily rain	141.0 mm (5.6 in)	82.8 mm (3.3 in)	56 years	64 of 100 (Major)
30 October 1972	Lawson (Wilson Street), AU	daily rain	92.5 mm (3.6 in)	60.0 mm (2.4 in)	56 years	63 of 100 (Major)
30 October 1972	Murwillumbah Post Office, AU	daily rain	179.3 mm (7.1 in)	97.8 mm (3.9 in)	35 years	58 of 100 (Notable)
30 October 1972	South Grafton Post Office, AU	monthly rain	134.9 mm (5.3 in)	38.1 mm (1.5 in)	23 years	57 of 100 (Notable)
30 October 1972	Norwood, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	48 years	53 of 100 (Notable)
30 October 1972	Palmwoods Post Office, AU	daily rain	68.6 mm (2.7 in)	50.1 mm (2.0 in)	52 years	52 of 100 (Notable)
30 October 1972	Blackheath (Lawrence St), AU	daily rain	104.4 mm (4.1 in)	79.0 mm (3.1 in)	19 years	52 of 100 (Notable)
30 October 1972	Coraki Post Office, AU	daily rain	91.4 mm (3.6 in)	60.7 mm (2.4 in)	15 years	51 of 100 (Notable)
30 October 1972	Leura Post Office, AU	daily rain	136.4 mm (5.4 in)	112.5 mm (4.4 in)	19 years	51 of 100 (Notable)
30 October 1972	Como, AU	daily rain	101.6 mm (4.0 in)	98.3 mm (3.9 in)	24 years	50 of 100 (Notable)
30 October 1972	Westbrook, AU	daily rain	61.0 mm (2.4 in)	43.0 mm (1.7 in)	13 years	48 of 100 (Notable)
30 October 1972	Chillingham (Limpinwood), AU	daily rain	175.0 mm (6.9 in)	153.7 mm (6.1 in)	15 years	48 of 100 (Notable)
30 October 1972	Penrith Ladbury Avenue, AU	daily rain	52.8 mm (2.1 in)	29.7 mm (1.2 in)	56 years	48 of 100 (Notable)
30 October 1972	Grand Junction Walker Fld, US	monthly snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	72 years	48 of 100 (Notable)
30 October 1972	Mayville, US	daily snowfall	6.4 cm (2.5 in)	5.1 cm (2.0 in)	53 years	47 of 100 (Notable)
30 October 1972	Ketchikan AP, US	daily rain	161.8 mm (6.4 in)	91.4 mm (3.6 in)	14 years	47 of 100 (Notable)
30 October 1972	Miva, AU	daily rain	64.3 mm (2.5 in)	52.1 mm (2.1 in)	16 years	45 of 100 (Notable)
30 October 1972	Aguai, BR	monthly rain	127.1 mm (5.0 in)	39.1 mm (1.5 in)	8 years	44 of 100 (Notable)
30 October 1972	Lower Bucca, AU	monthly rain	131.3 mm (5.2 in)	23.1 mm (0.9 in)	39 years	43 of 100 (Notable)
30 October 1972	Gloucester Post Office, AU	daily rain	30.2 mm (1.2 in)	13.7 mm (0.5 in)	80 years	43 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

1799 to 1972

Records set or tied on this calendar date in each year from 1799 to 1972. 1972 had 902 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1972-10-30: 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	616
25 to 50	60
50 to 75	40
75 to 100	13
100 to 125	7
125 to 150	2
150 to 175	2
175 to 200	1