Weather Records on 30 December 1942

584 weather records were set or tied worldwide on 30 December 1942. Highest significance: Mirani Post Office, AU.

Key Facts for 30 December 1942

On 30 December 1942, 584 weather records were set or tied at long-record stations worldwide.
69 were record highs and 8 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 57 monthly and 524 daily.
Mirani Post Office set a monthly record daily precipitation of 268.2 mm (10.6 in) on 30 December 1942.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 495 records.

Record Map

584 stations

584 station records on 30 December 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mirani Post Office	Australia	Record daily precipitation	268.2 mm (10.6 in)	64 of 100 (Major)
Bowen Post Office	Australia	Record daily precipitation	154.9 mm (6.1 in)	61 of 100 (Major)
Tupper Lake Sunmount	United States	Record daily precipitation	59.9 mm (2.4 in)	61 of 100 (Major)
Goodna Ampol	Australia	Record daily precipitation	118.4 mm (4.7 in)	60 of 100 (Major)
Burlington	United States	Record daily precipitation	35.1 mm (1.4 in)	60 of 100 (Major)
Enoggera Reservoir	Australia	Record daily precipitation	104.1 mm (4.1 in)	59 of 100 (Notable)
Gold Creek Reservoir	Australia	Record daily precipitation	141.0 mm (5.6 in)	59 of 100 (Notable)
Addison	United States	Record daily precipitation	47.0 mm (1.9 in)	59 of 100 (Notable)
Corning	United States	Record daily precipitation	83.1 mm (3.3 in)	59 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily precipitation	56.4 mm (2.2 in)	59 of 100 (Notable)
Wolston Park Hospital	Australia	Record daily precipitation	103.6 mm (4.1 in)	57 of 100 (Notable)
Bloomsbury Post Office	Australia	Record daily precipitation	148.1 mm (5.8 in)	56 of 100 (Notable)
Western Creek	Australia	Record daily precipitation	72.6 mm (2.9 in)	55 of 100 (Notable)
Clontarf	Canada	Record daily snowfall	30.5 cm (12.0 in)	55 of 100 (Notable)
Shawinigan	Canada	Record daily precipitation	45.5 mm (1.8 in)	55 of 100 (Notable)
Watertown	United States	Record daily precipitation	48.0 mm (1.9 in)	55 of 100 (Notable)
Confluence 1 NW	United States	Record daily precipitation	40.4 mm (1.6 in)	55 of 100 (Notable)
Lawrenceville 2 S	United States	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Huntingdon	United States	Record daily precipitation	48.0 mm (1.9 in)	54 of 100 (Notable)
Northfield	United States	Record daily precipitation	44.2 mm (1.7 in)	54 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	66.8 mm (2.6 in)	53 of 100 (Notable)
Salisbury	United States	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Proserpine Post Office	Australia	Record daily precipitation	260.6 mm (10.3 in)	52 of 100 (Notable)
Surat	Australia	Record daily precipitation	102.9 mm (4.1 in)	52 of 100 (Notable)
Shawinigan	Canada	Record daily snowfall	45.5 cm (17.9 in)	52 of 100 (Notable)
Jeffersonville	United States	Record daily precipitation	47.8 mm (1.9 in)	52 of 100 (Notable)
Montrose	United States	Record daily precipitation	40.9 mm (1.6 in)	52 of 100 (Notable)
Kalamia Estate	Australia	Record daily precipitation	128.3 mm (5.1 in)	51 of 100 (Notable)
East Toorale (Toorale Station)	Australia	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Ansonia 2 W	United States	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
Clearfield	United States	Record daily precipitation	49.5 mm (1.9 in)	51 of 100 (Notable)
Waynesville 1 E	United States	Record daily precipitation	85.1 mm (3.4 in)	50 of 100 (Notable)
Pottsville	United States	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Saltsburg	United States	Record daily precipitation	60.2 mm (2.4 in)	49 of 100 (Notable)
Crows Nest	Australia	Record daily precipitation	113.8 mm (4.5 in)	48 of 100 (Notable)
Avon	United States	Record daily precipitation	28.7 mm (1.1 in)	48 of 100 (Notable)
Irwin	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Hattonvale Store	Australia	Record daily precipitation	80.0 mm (3.1 in)	47 of 100 (Notable)
Mundoolin	Australia	Record daily precipitation	97.0 mm (3.8 in)	47 of 100 (Notable)
Murphys Creek Post Office	Australia	Record daily precipitation	124.5 mm (4.9 in)	47 of 100 (Notable)
Maysville Wwtp	United States	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Worcester	United States	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Millport 4 NE	United States	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Redbank Post Office	Australia	Record daily precipitation	118.4 mm (4.7 in)	46 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Marietta Wtr Wks	United States	Record daily precipitation	42.4 mm (1.7 in)	46 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Drain	United States	Record daily precipitation	65.8 mm (2.6 in)	46 of 100 (Notable)
Renovo	United States	Record daily precipitation	48.8 mm (1.9 in)	46 of 100 (Notable)
Towanda 1 S	United States	Record daily precipitation	41.7 mm (1.6 in)	46 of 100 (Notable)
Lynchburg 7 St Brg	United States	Record daily precipitation	41.7 mm (1.6 in)	46 of 100 (Notable)
Williamson	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Hemlock	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Carlisle	United States	Record daily precipitation	37.3 mm (1.5 in)	45 of 100 (Notable)
Mount McConnell	Australia	Record daily precipitation	78.0 mm (3.1 in)	44 of 100 (Notable)
Mount Derriwong	Australia	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Milguy (Myee)	Australia	Record daily precipitation	52.6 mm (2.1 in)	44 of 100 (Notable)
Lake Konomoc	United States	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	48.8 mm (1.9 in)	44 of 100 (Notable)
Altoona Horseshoe Curv	United States	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)

Counts by Type and Timescale

584 records

Records set or tied on 30 December 1942 by type: Highest daily maximum 29, Lowest daily maximum 5, Highest daily minimum 40, Lowest daily minimum 3, Heaviest daily rainfall 448, Heaviest daily snowfall 50, Deepest snow cover 9.

Records on 30 December 1942 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	5
Highest daily minimum	40
Lowest daily minimum	3
Heaviest daily rainfall	448
Heaviest daily snowfall	50
Deepest snow cover	9

Records on 30 December 1942 by timescale: all-time 3, monthly 57, daily 524.

How Much Records Were Beaten By

537 broken records

Margins by which the 537 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 379.0. Ties are not counted.

Top 20 by Significance

30 December 1942

Top 20 records on 30 December 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1942	Mirani Post Office, AU	monthly rain	268.2 mm (10.6 in)	113.3 mm (4.5 in)	36 years	64 of 100 (Major)
30 December 1942	Bowen Post Office, AU	daily rain	154.9 mm (6.1 in)	114.8 mm (4.5 in)	46 years	61 of 100 (Major)
30 December 1942	Tupper Lake Sunmount, US	monthly rain	59.9 mm (2.4 in)	19.3 mm (0.8 in)	41 years	61 of 100 (Major)
30 December 1942	Goodna Ampol, AU	daily rain	118.4 mm (4.7 in)	82.8 mm (3.3 in)	46 years	60 of 100 (Major)
30 December 1942	Burlington, US	daily rain	35.1 mm (1.4 in)	22.4 mm (0.9 in)	50 years	60 of 100 (Major)
30 December 1942	Enoggera Reservoir, AU	daily rain	104.1 mm (4.1 in)	63.0 mm (2.5 in)	46 years	59 of 100 (Notable)
30 December 1942	Gold Creek Reservoir, AU	daily rain	141.0 mm (5.6 in)	93.5 mm (3.7 in)	46 years	59 of 100 (Notable)
30 December 1942	Addison, US	daily rain	47.0 mm (1.9 in)	38.1 mm (1.5 in)	46 years	59 of 100 (Notable)
30 December 1942	Corning, US	monthly rain	83.1 mm (3.3 in)	55.4 mm (2.2 in)	22 years	59 of 100 (Notable)
30 December 1942	Ithaca Cornell UNIV, US	daily rain	56.4 mm (2.2 in)	43.7 mm (1.7 in)	46 years	59 of 100 (Notable)
30 December 1942	Wolston Park Hospital, AU	daily rain	103.6 mm (4.1 in)	70.1 mm (2.8 in)	42 years	57 of 100 (Notable)
30 December 1942	Bloomsbury Post Office, AU	daily rain	148.1 mm (5.8 in)	87.1 mm (3.4 in)	32 years	56 of 100 (Notable)
30 December 1942	Western Creek, AU	daily rain	72.6 mm (2.9 in)	46.4 mm (1.8 in)	49 years	55 of 100 (Notable)
30 December 1942	Clontarf, CA	daily snowfall	30.5 cm (12.0 in)	24.1 cm (9.5 in)	51 years	55 of 100 (Notable)
30 December 1942	Shawinigan, CA	daily rain	45.5 mm (1.8 in)	36.9 mm (1.5 in)	36 years	55 of 100 (Notable)
30 December 1942	Watertown, US	daily rain	48.0 mm (1.9 in)	33.8 mm (1.3 in)	35 years	55 of 100 (Notable)
30 December 1942	Confluence 1 NW, US	daily rain	40.4 mm (1.6 in)	27.7 mm (1.1 in)	40 years	55 of 100 (Notable)
30 December 1942	Lawrenceville 2 S, US	daily rain	48.8 mm (1.9 in)	33.6 mm (1.3 in)	43 years	55 of 100 (Notable)
30 December 1942	Huntingdon, US	daily rain	48.0 mm (1.9 in)	31.7 mm (1.2 in)	46 years	54 of 100 (Notable)
30 December 1942	Northfield, US	daily rain	44.2 mm (1.7 in)	22.9 mm (0.9 in)	50 years	54 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 1942

Records set or tied on this calendar date in each year from 1799 to 1942. 1942 had 584 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 1942-12-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	497
50 to 100	31
100 to 150	4
150 to 200	2
200 to 250	2
250 to 300	0
300 to 350	0
350 to 400	1