Weather Records on 30 December 1970

571 weather records were set or tied worldwide on 30 December 1970. Highest significance: Canning River Weir, AU.

Key Facts for 30 December 1970

On 30 December 1970, 571 weather records were set or tied at long-record stations worldwide.
31 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 16 monthly and 553 daily.
Canning River Weir set a monthly record daily precipitation of 66.3 mm (2.6 in) on 30 December 1970.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 495 records.

Record Map

571 stations

571 station records on 30 December 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Canning River Weir	Australia	Record daily precipitation	66.3 mm (2.6 in)	63 of 100 (Major)
Seaspray (Burong)	Australia	Record daily precipitation	61.7 mm (2.4 in)	56 of 100 (Notable)
Teterow	Germany	Record snow depth	21.0 cm (8.3 in)	56 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Runnymede (Whitemarsh)	Australia	Record daily precipitation	56.4 mm (2.2 in)	49 of 100 (Notable)
Nubeena	Australia	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
Bar Harbor 3 NW	United States	Record snow depth	106.7 cm (42.0 in)	49 of 100 (Notable)
Box Hill Aged Mens Retreat	Australia	Record daily precipitation	59.7 mm (2.4 in)	48 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	40.4 mm (1.6 in)	48 of 100 (Notable)
Praia Grande (Parana)	Brazil	Record daily precipitation	84.2 mm (3.3 in)	47 of 100 (Notable)
Rainer Ohanapecosh	United States	Record daily precipitation	97.5 mm (3.8 in)	47 of 100 (Notable)
Hambantota	Sri Lanka	Record low maximum temperature	24.4 C (75.9 F)	45 of 100 (Notable)
Lawrenceville 3 SW	United States	Record snow depth	99.1 cm (39.0 in)	44 of 100 (Notable)
Oakville	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Centralia	United States	Record daily precipitation	43.4 mm (1.7 in)	43 of 100 (Notable)
Kid Valley	United States	Record daily precipitation	55.9 mm (2.2 in)	43 of 100 (Notable)
Leavenworth 3 S	United States	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Mogil Mogil (Benimora)	Australia	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	57.2 mm (2.3 in)	42 of 100 (Notable)
Sandberg	United States	Record snow depth	30.5 cm (12.0 in)	42 of 100 (Notable)
Weemelah (Crinolyn)	Australia	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Rio Dos Patos	Brazil	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Bologna	Italy	Record daily precipitation	31.4 mm (1.2 in)	41 of 100 (Notable)
Lake Wenatchee	United States	Record daily snowfall	66.0 cm (26.0 in)	41 of 100 (Notable)
Bourke Post Office	Australia	Record low minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Kinston 7 SE	United States	Record daily snowfall	6.4 cm (2.5 in)	40 of 100 (Notable)
Lake Keechelus	United States	Record daily snowfall	45.7 cm (18.0 in)	40 of 100 (Notable)
Lake Wenatchee	United States	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Gunnedah Pool	Australia	Record low maximum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Ogdensburg 4 NE	United States	Record snow depth	53.3 cm (21.0 in)	39 of 100 (Notable)
Rokeby (the Mall)	Australia	Record daily precipitation	27.7 mm (1.1 in)	38 of 100 (Notable)
Sandford (Maydena)	Australia	Record daily precipitation	27.7 mm (1.1 in)	38 of 100 (Notable)
Wattle Hill	Australia	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Monto Township	Australia	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Princeton A	Canada	Record daily snowfall	24.4 cm (9.6 in)	37 of 100 (Notable)
Sloan 3 S	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Puyallup 2 W Exp STN	United States	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Stehekin 4 NW	United States	Record daily snowfall	73.7 cm (29.0 in)	37 of 100 (Notable)
Frazier Downs	Australia	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
"Kageon" Dawes	Australia	Record daily precipitation	89.4 mm (3.5 in)	36 of 100 (Notable)
Bengworden	Australia	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Packwood	United States	Record daily precipitation	70.6 mm (2.8 in)	36 of 100 (Notable)
Wooroona	Australia	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Inverloch	Australia	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Fayetteville (Pwc)	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Leavenworth 3 S	United States	Record daily snowfall	41.9 cm (16.5 in)	35 of 100 (Notable)
Snoqualmie Pass	United States	Record daily snowfall	50.8 cm (20.0 in)	35 of 100 (Notable)
Wowan Post Office	Australia	Record daily precipitation	67.6 mm (2.7 in)	34 of 100 (Routine)
Nicholson (Yendalock)	Australia	Record daily precipitation	49.5 mm (1.9 in)	34 of 100 (Routine)
Cintalapa	Mexico	Record low minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Clinton 2 S	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Hobart Botanical Gardens	Australia	Record daily precipitation	32.3 mm (1.3 in)	33 of 100 (Routine)
Coeur D'Alene	United States	Record daily precipitation	26.4 mm (1.0 in)	33 of 100 (Routine)
Sloan 3 S	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Mazama 6 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Stehekin 4 NW	United States	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Winthrop 1 WSW	United States	Record snow depth	94.0 cm (37.0 in)	33 of 100 (Routine)
Gin Gin Post Office	Australia	Record daily precipitation	74.7 mm (2.9 in)	32 of 100 (Routine)
Dutson	Australia	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

571 records

Records set or tied on 30 December 1970 by type: Highest daily maximum 15, Lowest daily maximum 59, Highest daily minimum 16, Lowest daily minimum 47, Heaviest daily rainfall 328, Heaviest daily snowfall 58, Deepest snow cover 48.

Records on 30 December 1970 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	59
Highest daily minimum	16
Lowest daily minimum	47
Heaviest daily rainfall	328
Heaviest daily snowfall	58
Deepest snow cover	48

Records on 30 December 1970 by timescale: all-time 2, monthly 16, daily 553.

How Much Records Were Beaten By

513 broken records

Margins by which the 513 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 711.0. Ties are not counted.

Top 20 by Significance

30 December 1970

Top 20 records on 30 December 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1970	Canning River Weir, AU	monthly rain	66.3 mm (2.6 in)	32.0 mm (1.3 in)	26 years	63 of 100 (Major)
30 December 1970	Seaspray (Burong), AU	daily rain	61.7 mm (2.4 in)	39.6 mm (1.6 in)	51 years	56 of 100 (Notable)
30 December 1970	Teterow, DE	daily snow depth	21.0 cm (8.3 in)	11.0 cm (4.3 in)	32 years	56 of 100 (Notable)
30 December 1970	Wilsons Promontory Lighthouse, AU	daily rain	50.8 mm (2.0 in)	37.6 mm (1.5 in)	3 years	49 of 100 (Notable)
30 December 1970	Runnymede (Whitemarsh), AU	daily rain	56.4 mm (2.2 in)	43.2 mm (1.7 in)	36 years	49 of 100 (Notable)
30 December 1970	Nubeena, AU	daily rain	41.9 mm (1.6 in)	27.9 mm (1.1 in)	53 years	49 of 100 (Notable)
30 December 1970	Bar Harbor 3 NW, US	daily snow depth	106.7 cm (42.0 in)	71.1 cm (28.0 in)	8 years	49 of 100 (Notable)
30 December 1970	Box Hill Aged Mens Retreat, AU	daily rain	59.7 mm (2.4 in)	32.0 mm (1.3 in)	20 years	48 of 100 (Notable)
30 December 1970	Coranderrk Badger Weir, AU	daily rain	40.4 mm (1.6 in)	15.0 mm (0.6 in)	87 years	48 of 100 (Notable)
30 December 1970	Praia Grande (Parana), BR	daily rain	84.2 mm (3.3 in)	47.0 mm (1.9 in)	20 years	47 of 100 (Notable)
30 December 1970	Rainer Ohanapecosh, US	daily rain	97.5 mm (3.8 in)	77.2 mm (3.0 in)	12 years	47 of 100 (Notable)
30 December 1970	Hambantota, LK	daily low max	24.4 C (75.9 F)	2.1 C (3.8 F)	64 years	45 of 100 (Notable)
30 December 1970	Lawrenceville 3 SW, US	daily snow depth	99.1 cm (39.0 in)	45.8 cm (18.0 in)	0 years	44 of 100 (Notable)
30 December 1970	Oakville, US	daily rain	52.1 mm (2.1 in)	32.0 mm (1.3 in)	48 years	44 of 100 (Notable)
30 December 1970	Centralia, US	daily rain	43.4 mm (1.7 in)	17.7 mm (0.7 in)	64 years	43 of 100 (Notable)
30 December 1970	Kid Valley, US	daily rain	55.9 mm (2.2 in)	34.3 mm (1.4 in)	20 years	43 of 100 (Notable)
30 December 1970	Leavenworth 3 S, US	daily rain	46.0 mm (1.8 in)	32.0 mm (1.3 in)	28 years	43 of 100 (Notable)
30 December 1970	Mogil Mogil (Benimora), AU	daily rain	44.5 mm (1.8 in)	14.8 mm (0.6 in)	82 years	42 of 100 (Notable)
30 December 1970	Forest Grove, US	daily rain	57.2 mm (2.3 in)	27.5 mm (1.1 in)	41 years	42 of 100 (Notable)
30 December 1970	Sandberg, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	33 years	42 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 1970

Records set or tied on this calendar date in each year from 1799 to 1970. 1970 had 571 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1970-12-30: 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 100	495
100 to 200	10
200 to 300	6
300 to 400	0
400 to 500	1
500 to 600	0
600 to 700	0
700 to 800	1