Weather Records on 30 December 1971

1,122 weather records were set or tied worldwide on 30 December 1971. Highest significance: Chilton, US.

Key Facts for 30 December 1971

On 30 December 1971, 1,122 weather records were set or tied at long-record stations worldwide.
329 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 16 monthly and 1,103 daily.
Chilton set a daily record snowfall of 38.1 cm (15.0 in) on 30 December 1971.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 492 records.

Record Map

1,122 stations

1,122 station records on 30 December 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chilton	United States	Record daily snowfall	38.1 cm (15.0 in)	66 of 100 (Major)
Beardstown	United States	Record daily precipitation	57.2 mm (2.3 in)	65 of 100 (Major)
Saginaw Mbs Intl AP	United States	Record daily snowfall	29.2 cm (11.5 in)	65 of 100 (Major)
Plymouth Pwr Substn	United States	Record daily precipitation	47.2 mm (1.9 in)	62 of 100 (Major)
Delaware 3 WSW	United States	Record daily snowfall	11.4 cm (4.5 in)	60 of 100 (Major)
Reedsburg Wwtp	United States	Record daily snowfall	19.3 cm (7.6 in)	60 of 100 (Major)
Benton Harbor AP	United States	Record daily precipitation	35.6 mm (1.4 in)	59 of 100 (Notable)
Hillsdale	United States	Record daily precipitation	53.8 mm (2.1 in)	58 of 100 (Notable)
Streator 2SE	United States	Record daily precipitation	45.2 mm (1.8 in)	57 of 100 (Notable)
Evart	United States	Record daily precipitation	30.5 mm (1.2 in)	57 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily precipitation	52.6 mm (2.1 in)	57 of 100 (Notable)
Port Hope	Canada	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Big Rapids Wtp	United States	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Saint Johns	United States	Record daily precipitation	35.8 mm (1.4 in)	56 of 100 (Notable)
Chilton	United States	Record daily precipitation	28.4 mm (1.1 in)	56 of 100 (Notable)
Hesperia 4 WNW	United States	Record daily snowfall	19.6 cm (7.7 in)	55 of 100 (Notable)
Frankfort 2NE	United States	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Kent City 2 SW	United States	Record daily snowfall	22.9 cm (9.0 in)	54 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily precipitation	34.3 mm (1.4 in)	54 of 100 (Notable)
Mount Forest	Canada	Record daily snowfall	23.4 cm (9.2 in)	53 of 100 (Notable)
Challis	United States	Record snow depth	27.9 cm (11.0 in)	52 of 100 (Notable)
Canton	United States	Record daily precipitation	38.1 mm (1.5 in)	51 of 100 (Notable)
Hart 3 WSW	United States	Record daily snowfall	25.4 cm (10.0 in)	51 of 100 (Notable)
Manistee 3SE	United States	Record daily precipitation	27.2 mm (1.1 in)	51 of 100 (Notable)
Parkston 8 ENE	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Windsor A	Canada	Record daily precipitation	32.5 mm (1.3 in)	50 of 100 (Notable)
Decorah	United States	Record daily snowfall	16.5 cm (6.5 in)	50 of 100 (Notable)
New Hampton	United States	Record daily snowfall	16.5 cm (6.5 in)	50 of 100 (Notable)
Hastings	United States	Record daily precipitation	35.1 mm (1.4 in)	50 of 100 (Notable)
Millington 3 SE	United States	Record daily snowfall	14.0 cm (5.5 in)	50 of 100 (Notable)
S Haven	United States	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Eldorado Springs	United States	Record daily precipitation	35.6 mm (1.4 in)	50 of 100 (Notable)
Arcade	United States	Record daily precipitation	26.9 mm (1.1 in)	50 of 100 (Notable)
Sparta	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Lennoxville	Canada	Record daily snowfall	33.8 cm (13.3 in)	49 of 100 (Notable)
Kankakee 3 SW	United States	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Minonk	United States	Record daily precipitation	43.9 mm (1.7 in)	49 of 100 (Notable)
Willis 5 SSW	United States	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Kahoka	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Barry	United States	Record daily precipitation	52.8 mm (2.1 in)	48 of 100 (Notable)
Bloomington Normal	United States	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Albion	United States	Record daily precipitation	37.3 mm (1.5 in)	48 of 100 (Notable)
Greenville 2 NNE	United States	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Yale 1 NNW	United States	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Put-In-Bay	United States	Record daily precipitation	31.5 mm (1.2 in)	48 of 100 (Notable)
Menno	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Joliet	United States	Record daily precipitation	38.6 mm (1.5 in)	48 of 100 (Notable)
Green Bay	United States	Record daily snowfall	17.0 cm (6.7 in)	48 of 100 (Notable)
Fairmont	United States	Record daily snowfall	18.3 cm (7.2 in)	47 of 100 (Notable)
Lakeview 3 NE	United States	Record daily precipitation	38.9 mm (1.5 in)	47 of 100 (Notable)
Oshkosh	United States	Record daily snowfall	26.7 cm (10.5 in)	47 of 100 (Notable)
West Bend	United States	Record daily snowfall	27.9 cm (11.0 in)	47 of 100 (Notable)
Elliston	United States	Record daily precipitation	36.6 mm (1.4 in)	46 of 100 (Notable)
Gary	United States	Record daily precipitation	37.6 mm (1.5 in)	46 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily snowfall	28.7 cm (11.3 in)	46 of 100 (Notable)
Barcelona/Aeropuerto	Spain	Record daily precipitation	51.7 mm (2.0 in)	45 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record daily precipitation	45.5 mm (1.8 in)	45 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Morris River	United States	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)

Counts by Type and Timescale

1,122 records

Records set or tied on 30 December 1971 by type: Highest daily maximum 231, Lowest daily maximum 32, Highest daily minimum 98, Lowest daily minimum 18, Heaviest daily rainfall 489, Heaviest daily snowfall 238, Deepest snow cover 16.

Records on 30 December 1971 by type
Record type	Records
Highest daily maximum	231
Lowest daily maximum	32
Highest daily minimum	98
Lowest daily minimum	18
Heaviest daily rainfall	489
Heaviest daily snowfall	238
Deepest snow cover	16

Records on 30 December 1971 by timescale: all-time 3, monthly 16, daily 1,103.

How Much Records Were Beaten By

940 broken records

Margins by which the 940 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 317.0. Ties are not counted.

Top 20 by Significance

30 December 1971

Top 20 records on 30 December 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1971	Chilton, US	daily snowfall	38.1 cm (15.0 in)	31.7 cm (12.5 in)	64 years	66 of 100 (Major)
30 December 1971	Beardstown, US	daily rain	57.2 mm (2.3 in)	47.0 mm (1.9 in)	60 years	65 of 100 (Major)
30 December 1971	Saginaw Mbs Intl AP, US	daily snowfall	29.2 cm (11.5 in)	21.6 cm (8.5 in)	60 years	65 of 100 (Major)
30 December 1971	Plymouth Pwr Substn, US	daily rain	47.2 mm (1.9 in)	29.7 mm (1.2 in)	62 years	62 of 100 (Major)
30 December 1971	Delaware 3 WSW, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	77 years	60 of 100 (Major)
30 December 1971	Reedsburg Wwtp, US	daily snowfall	19.3 cm (7.6 in)	17.3 cm (6.8 in)	53 years	60 of 100 (Major)
30 December 1971	Benton Harbor AP, US	daily rain	35.6 mm (1.4 in)	25.4 mm (1.0 in)	75 years	59 of 100 (Notable)
30 December 1971	Hillsdale, US	daily rain	53.8 mm (2.1 in)	37.5 mm (1.5 in)	34 years	58 of 100 (Notable)
30 December 1971	Streator 2SE, US	daily rain	45.2 mm (1.8 in)	27.7 mm (1.1 in)	64 years	57 of 100 (Notable)
30 December 1971	Evart, US	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	30 years	57 of 100 (Notable)
30 December 1971	Fond du Lac Wwtp, US	monthly rain	52.6 mm (2.1 in)	18.3 mm (0.7 in)	25 years	57 of 100 (Notable)
30 December 1971	Port Hope, CA	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	87 years	56 of 100 (Notable)
30 December 1971	Big Rapids Wtp, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	32 years	56 of 100 (Notable)
30 December 1971	Saint Johns, US	daily rain	35.8 mm (1.4 in)	20.1 mm (0.8 in)	64 years	56 of 100 (Notable)
30 December 1971	Chilton, US	daily rain	28.4 mm (1.1 in)	20.5 mm (0.8 in)	64 years	56 of 100 (Notable)
30 December 1971	Hesperia 4 WNW, US	daily snowfall	19.6 cm (7.7 in)	9.4 cm (3.7 in)	75 years	55 of 100 (Notable)
30 December 1971	Frankfort 2NE, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	64 years	54 of 100 (Notable)
30 December 1971	Kent City 2 SW, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	32 years	54 of 100 (Notable)
30 December 1971	Saginaw Mbs Intl AP, US	daily rain	34.3 mm (1.4 in)	17.0 mm (0.7 in)	64 years	54 of 100 (Notable)
30 December 1971	Mount Forest, CA	daily snowfall	23.4 cm (9.2 in)	13.2 cm (5.2 in)	52 years	53 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 1971

Records set or tied on this calendar date in each year from 1799 to 1971. 1971 had 1,122 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 1971-12-30: 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 50	825
50 to 100	74
100 to 150	29
150 to 200	9
200 to 250	2
250 to 300	0
300 to 350	1