Weather Records on 4 January 1971

1,191 weather records were set or tied worldwide on 4 January 1971. Highest significance: Iowa Falls, US.

Key Facts for 4 January 1971

On 4 January 1971, 1,191 weather records were set or tied at long-record stations worldwide.
117 were record highs and 351 were record lows, counting maximum and minimum temperature.
By timescale, 31 were all-time records, 83 monthly and 1,077 daily.
Iowa Falls set an all-time record daily snowfall of 45.7 cm (18.0 in) on 4 January 1971.
Across 162 earlier years (1795 to 2026) the same calendar date averaged 501 records.

Record Map

1,191 stations

1,191 station records on 4 January 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 January 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Iowa Falls	United States	Record daily snowfall	45.7 cm (18.0 in)	84 of 100 (Exceptional)
Sparta	United States	Record daily snowfall	45.7 cm (18.0 in)	82 of 100 (Exceptional)
Shawano 2SSW	United States	Record daily snowfall	42.2 cm (16.6 in)	73 of 100 (Major)
Hampton	United States	Record daily snowfall	20.3 cm (8.0 in)	69 of 100 (Major)
Dodgeville Wwtp	United States	Record daily snowfall	22.9 cm (9.0 in)	69 of 100 (Major)
Vinton	United States	Record daily snowfall	25.4 cm (10.0 in)	67 of 100 (Major)
Galva	United States	Record daily snowfall	33.0 cm (13.0 in)	66 of 100 (Major)
Cresco 1 NE	United States	Record daily snowfall	25.4 cm (10.0 in)	66 of 100 (Major)
Le Claire L&D 14	United States	Record daily snowfall	40.6 cm (16.0 in)	66 of 100 (Major)
Mather 3 NW	United States	Record daily snowfall	41.9 cm (16.5 in)	66 of 100 (Major)
Grundy Ctr	United States	Record daily snowfall	36.8 cm (14.5 in)	65 of 100 (Major)
Bar Harbor 3 NW	United States	Record snow depth	96.5 cm (38.0 in)	65 of 100 (Major)
Dumont	United States	Record daily snowfall	48.3 cm (19.0 in)	62 of 100 (Major)
Marinette	United States	Record daily snowfall	43.2 cm (17.0 in)	62 of 100 (Major)
Northwood	United States	Record daily precipitation	45.7 mm (1.8 in)	61 of 100 (Major)
Perry	United States	Record daily precipitation	34.8 mm (1.4 in)	61 of 100 (Major)
Pocahontas	United States	Record daily precipitation	32.8 mm (1.3 in)	60 of 100 (Major)
Sturgeon Bay Exp Farm	United States	Record daily snowfall	22.9 cm (9.0 in)	59 of 100 (Notable)
Marquette	United States	Record daily precipitation	25.1 mm (1.0 in)	59 of 100 (Notable)
Galena	United States	Record daily precipitation	43.7 mm (1.7 in)	58 of 100 (Notable)
Keokuk L&D 19	United States	Record daily snowfall	15.2 cm (6.0 in)	58 of 100 (Notable)
Northwood	United States	Record daily snowfall	33.0 cm (13.0 in)	58 of 100 (Notable)
Winona	United States	Record daily snowfall	36.8 cm (14.5 in)	58 of 100 (Notable)
Galena	United States	Record daily snowfall	27.9 cm (11.0 in)	57 of 100 (Notable)
Wapello	United States	Record daily precipitation	27.9 mm (1.1 in)	57 of 100 (Notable)
Spring Grove	United States	Record daily snowfall	31.8 cm (12.5 in)	57 of 100 (Notable)
Richland Ctr	United States	Record daily snowfall	22.9 cm (9.0 in)	56 of 100 (Notable)
Delaware 3 WSW	United States	Record daily precipitation	32.8 mm (1.3 in)	55 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily snowfall	26.7 cm (10.5 in)	55 of 100 (Notable)
Hatfield	United States	Record daily snowfall	43.2 cm (17.0 in)	54 of 100 (Notable)
Grinnell 3 SW	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Chatham Exp Fa	United States	Record daily snowfall	40.6 cm (16.0 in)	53 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	34.0 mm (1.3 in)	53 of 100 (Notable)
Sparta	United States	Record daily precipitation	30.7 mm (1.2 in)	53 of 100 (Notable)
Wisconsin Rapids	United States	Record daily snowfall	17.8 cm (7.0 in)	53 of 100 (Notable)
Caledonia	United States	Record daily precipitation	33.5 mm (1.3 in)	52 of 100 (Notable)
Hogsett Rc Byrd Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Biscotasing	Canada	Record daily snowfall	27.9 cm (11.0 in)	51 of 100 (Notable)
Marinette	United States	Record daily precipitation	35.3 mm (1.4 in)	51 of 100 (Notable)
Biscotasing	Canada	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Flambeau Rsvr	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Prairie du Chien	United States	Record daily snowfall	35.6 cm (14.0 in)	50 of 100 (Notable)
Rhinelander	United States	Record daily snowfall	22.9 cm (9.0 in)	50 of 100 (Notable)
Stanley Wwtp	United States	Record daily snowfall	22.9 cm (9.0 in)	50 of 100 (Notable)
Winkelman 6 S	United States	Record low maximum temperature	2.8 C (37.0 F)	49 of 100 (Notable)
Fulton L&D #13	United States	Record daily precipitation	32.5 mm (1.3 in)	49 of 100 (Notable)
Bedford	United States	Record daily snowfall	38.1 cm (15.0 in)	49 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	34.3 mm (1.4 in)	49 of 100 (Notable)
Le Claire L&D 14	United States	Record daily precipitation	38.1 mm (1.5 in)	49 of 100 (Notable)
Pella 1S	United States	Record daily snowfall	25.4 cm (10.0 in)	49 of 100 (Notable)
Rockland	United States	Record snow depth	91.4 cm (36.0 in)	49 of 100 (Notable)
Arlington	United States	Record daily snowfall	30.5 cm (12.0 in)	49 of 100 (Notable)
Lancaster 4 WSW	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Annex Creek	United States	Record daily precipitation	70.1 mm (2.8 in)	49 of 100 (Notable)
Lansing	United States	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Marshalltown	United States	Record daily snowfall	36.3 cm (14.3 in)	48 of 100 (Notable)
Stevens Pt	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Fulton L&D #13	United States	Record daily snowfall	33.0 cm (13.0 in)	47 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record daily snowfall	43.2 cm (17.0 in)	47 of 100 (Notable)
Table Rock 4N	United States	Record daily snowfall	27.9 cm (11.0 in)	47 of 100 (Notable)

Counts by Type and Timescale

1,191 records

Records set or tied on 4 January 1971 by type: Highest daily maximum 84, Lowest daily maximum 209, Highest daily minimum 33, Lowest daily minimum 142, Heaviest daily rainfall 421, Heaviest daily snowfall 208, Deepest snow cover 94.

Records on 4 January 1971 by type
Record type	Records
Highest daily maximum	84
Lowest daily maximum	209
Highest daily minimum	33
Lowest daily minimum	142
Heaviest daily rainfall	421
Heaviest daily snowfall	208
Deepest snow cover	94

Records on 4 January 1971 by timescale: all-time 31, monthly 83, daily 1,077.

How Much Records Were Beaten By

1,043 broken records

Margins by which the 1,043 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 584.0. Ties are not counted.

Top 20 by Significance

4 January 1971

Top 20 records on 4 January 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 January 1971	Iowa Falls, US	all-time snowfall	45.7 cm (18.0 in)	15.2 cm (6.0 in)	73 years	84 of 100 (Exceptional)
4 January 1971	Sparta, US	all-time snowfall	45.7 cm (18.0 in)	11.9 cm (4.7 in)	77 years	82 of 100 (Exceptional)
4 January 1971	Shawano 2SSW, US	all-time snowfall	42.2 cm (16.6 in)	14.3 cm (5.6 in)	42 years	73 of 100 (Major)
4 January 1971	Hampton, US	daily snowfall	20.3 cm (8.0 in)	19.0 cm (7.5 in)	73 years	69 of 100 (Major)
4 January 1971	Dodgeville Wwtp, US	daily snowfall	22.9 cm (9.0 in)	19.1 cm (7.5 in)	73 years	69 of 100 (Major)
4 January 1971	Vinton, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	77 years	67 of 100 (Major)
4 January 1971	Galva, US	all-time snowfall	33.0 cm (13.0 in)	7.6 cm (3.0 in)	70 years	66 of 100 (Major)
4 January 1971	Cresco 1 NE, US	daily snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	65 years	66 of 100 (Major)
4 January 1971	Le Claire L&D 14, US	all-time snowfall	40.6 cm (16.0 in)	17.7 cm (7.0 in)	10 years	66 of 100 (Major)
4 January 1971	Mather 3 NW, US	monthly snowfall	41.9 cm (16.5 in)	16.5 cm (6.5 in)	48 years	66 of 100 (Major)
4 January 1971	Grundy Ctr, US	daily snowfall	36.8 cm (14.5 in)	24.1 cm (9.5 in)	60 years	65 of 100 (Major)
4 January 1971	Bar Harbor 3 NW, US	daily snow depth	96.5 cm (38.0 in)	50.8 cm (20.0 in)	65 years	65 of 100 (Major)
4 January 1971	Dumont, US	all-time snowfall	48.3 cm (19.0 in)	12.7 cm (5.0 in)	31 years	62 of 100 (Major)
4 January 1971	Marinette, US	all-time snowfall	43.2 cm (17.0 in)	12.7 cm (5.0 in)	37 years	62 of 100 (Major)
4 January 1971	Northwood, US	monthly rain	45.7 mm (1.8 in)	19.0 mm (0.7 in)	24 years	61 of 100 (Major)
4 January 1971	Perry, US	daily rain	34.8 mm (1.4 in)	21.1 mm (0.8 in)	48 years	61 of 100 (Major)
4 January 1971	Pocahontas, US	daily rain	32.8 mm (1.3 in)	17.6 mm (0.7 in)	48 years	60 of 100 (Major)
4 January 1971	Sturgeon Bay Exp Farm, US	daily snowfall	22.9 cm (9.0 in)	16.5 cm (6.5 in)	60 years	59 of 100 (Notable)
4 January 1971	Marquette, US	daily rain	25.1 mm (1.0 in)	10.4 mm (0.4 in)	84 years	59 of 100 (Notable)
4 January 1971	Galena, US	daily rain	43.7 mm (1.7 in)	36.1 mm (1.4 in)	36 years	58 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

1795 to 1971

Records set or tied on this calendar date in each year from 1795 to 1971. 1971 had 1,191 records.

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

Records on 01-04 in each year
Year	Records
1795	2
1803	2
1824	1
1845	1
1855	1
1860	2
1864	4
1866	1
1867	2
1869	2
1871	2
1872	1
1873	2
1874	3
1876	1
1877	3
1878	3
1879	1
1880	1
1881	3
1882	2
1884	2
1886	5
1887	2
1888	4
1889	4
1890	2
1891	4
1892	1
1893	2
1894	9
1895	8
1896	2
1897	1
1898	2
1899	4
1900	6
1901	9
1902	7
1903	16
1904	51
1905	21
1906	15
1907	13
1908	8
1909	23
1910	20
1911	17
1912	30
1913	27
1914	45
1915	21
1916	59
1917	59
1918	78
1919	34
1920	113
1921	121
1922	56
1923	54
1924	184
1925	128
1926	310
1927	185
1928	150
1929	96
1930	134
1931	94
1932	200
1933	231
1934	319
1935	207
1936	394
1937	251
1938	136
1939	647
1940	332
1941	1,010
1942	1,191
1943	453
1944	300
1945	194
1946	371
1947	858
1948	391
1949	1,261
1950	2,015
1951	394
1952	349
1953	267
1954	249
1955	659
1956	462
1957	262
1958	448
1959	1,124
1960	358
1961	378
1962	359
1963	559
1964	349
1965	403
1966	798
1967	319
1968	661
1969	645
1970	497
1971	1,191
1972	728
1973	667
1974	957
1975	394
1976	534
1977	524
1978	656
1979	1,606
1980	643
1981	1,430
1982	2,261
1983	953
1984	996
1985	1,049
1986	705
1987	1,172
1988	903
1989	1,205
1990	509
1991	1,016
1992	1,201
1993	1,538
1994	1,418
1995	922
1996	1,389
1997	3,256
1998	1,246
1999	1,842
2000	1,486
2001	1,350
2002	1,151
2003	1,229
2004	1,611
2005	1,581
2006	1,167
2007	2,045
2008	845
2009	824
2010	1,183
2011	586
2012	1,357
2013	797
2014	770
2015	715
2016	618
2017	997
2018	1,096
2019	616
2020	497
2021	427
2022	698
2023	1,236
2024	562
2025	477
2026	1,013

Download the Data

Data for records on 1971-01-04: 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	975
100 to 200	56
200 to 300	10
300 to 400	0
400 to 500	0
500 to 600	2