Weather Records on 20 January 1964

567 weather records were set or tied worldwide on 20 January 1964. Highest significance: Round Grove, US.

Key Facts for 20 January 1964

On 20 January 1964, 567 weather records were set or tied at long-record stations worldwide.
300 were record highs and 34 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 25 monthly and 539 daily.
Round Grove set an all-time record daily snowfall of 48.3 cm (19.0 in) on 20 January 1964.
Across 157 earlier years (1795 to 2026) the same calendar date averaged 511 records.

Record Map

567 stations

567 station records on 20 January 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 January 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Round Grove	United States	Record daily snowfall	48.3 cm (19.0 in)	68 of 100 (Major)
Lakeview 2 NNW	United States	Record daily precipitation	45.2 mm (1.8 in)	66 of 100 (Major)
Valley Falls	United States	Record daily precipitation	53.3 mm (2.1 in)	61 of 100 (Major)
Salvador	Brazil	Record daily precipitation	112.4 mm (4.4 in)	55 of 100 (Notable)
Petoskey	United States	Record daily precipitation	26.2 mm (1.0 in)	53 of 100 (Notable)
Round Grove	United States	Record daily precipitation	69.1 mm (2.7 in)	51 of 100 (Notable)
Petrolina	Brazil	Record daily precipitation	136.0 mm (5.4 in)	50 of 100 (Notable)
Ubaira (Areia)	Brazil	Record daily precipitation	90.7 mm (3.6 in)	50 of 100 (Notable)
St Walburg	Canada	Record daily snowfall	17.8 cm (7.0 in)	50 of 100 (Notable)
Paisley	United States	Record daily precipitation	52.1 mm (2.1 in)	48 of 100 (Notable)
Barras	Brazil	Record daily precipitation	152.0 mm (6.0 in)	47 of 100 (Notable)
Mossoro	Brazil	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Macaubas	Brazil	Record daily precipitation	98.0 mm (3.9 in)	45 of 100 (Notable)
Pilger	Canada	Record daily snowfall	14.0 cm (5.5 in)	45 of 100 (Notable)
Marysville	United States	Record daily precipitation	70.1 mm (2.8 in)	45 of 100 (Notable)
Sherburne	United States	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Waterville	United States	Record snow depth	45.7 cm (18.0 in)	44 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record daily precipitation	46.2 mm (1.8 in)	43 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily snowfall	33.0 cm (13.0 in)	43 of 100 (Notable)
Itaberaba	Brazil	Record daily precipitation	82.0 mm (3.2 in)	42 of 100 (Notable)
St Tite	Canada	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Paisley	United States	Record daily snowfall	35.6 cm (14.0 in)	41 of 100 (Notable)
Butte Bert Mooney AP	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Cascadia	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Wind River	United States	Record daily precipitation	113.5 mm (4.5 in)	40 of 100 (Notable)
Condeuba	Brazil	Record daily precipitation	121.0 mm (4.8 in)	38 of 100 (Notable)
Joao Amaro	Brazil	Record daily precipitation	68.6 mm (2.7 in)	37 of 100 (Notable)
Lloydminster	Canada	Record daily snowfall	6.4 cm (2.5 in)	37 of 100 (Notable)
Parry Sound	Canada	Record high minimum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
St Lin des Laurentides	Canada	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Iroquois Falls	Canada	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Iroquois Falls	Canada	Record daily snowfall	25.4 cm (10.0 in)	36 of 100 (Notable)
North Bay	Canada	Record high minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Southampton	Canada	Record high minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Cape Hermes	South Africa	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Rio Vista	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Patamute	Brazil	Record daily precipitation	53.0 mm (2.1 in)	33 of 100 (Routine)
Brockville	Canada	Record high maximum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
De Sabla	United States	Record daily precipitation	102.4 mm (4.0 in)	32 of 100 (Routine)
Estancia	Brazil	Record daily precipitation	41.0 mm (1.6 in)	31 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Blackbutte 1 N	United States	Record daily precipitation	67.6 mm (2.7 in)	31 of 100 (Routine)
Round Grove	United States	Record snow depth	68.6 cm (27.0 in)	31 of 100 (Routine)
Paulistana	Brazil	Record daily precipitation	56.0 mm (2.2 in)	30 of 100 (Routine)
Humboldt	Canada	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Durham	Canada	Record high minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Andenes	Norway	Record high minimum temperature	5.1 C (41.2 F)	30 of 100 (Routine)
Longmont 2 ESE	United States	Record high minimum temperature	-1.7 C (28.9 F)	30 of 100 (Routine)
Cristais	Brazil	Record daily precipitation	40.8 mm (1.6 in)	29 of 100 (Routine)
Ipira (Camisao)	Brazil	Record daily precipitation	36.2 mm (1.4 in)	29 of 100 (Routine)
Biser	Russia	Record low minimum temperature	-41.1 C (-42.0 F)	29 of 100 (Routine)
Happy Camp Rs	United States	Record daily precipitation	87.4 mm (3.4 in)	29 of 100 (Routine)
McCloud	United States	Record daily precipitation	81.3 mm (3.2 in)	29 of 100 (Routine)
Kearneysville	United States	Record snow depth	17.8 cm (7.0 in)	29 of 100 (Routine)
Oenpelli	Australia	Record daily precipitation	81.5 mm (3.2 in)	28 of 100 (Routine)
Itagua	Brazil	Record daily precipitation	35.4 mm (1.4 in)	28 of 100 (Routine)
Floresta	Brazil	Record daily precipitation	63.0 mm (2.5 in)	28 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	1.7 C (35.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

567 records

Records set or tied on 20 January 1964 by type: Highest daily maximum 165, Lowest daily maximum 17, Highest daily minimum 135, Lowest daily minimum 17, Heaviest daily rainfall 195, Heaviest daily snowfall 29, Deepest snow cover 9.

Records on 20 January 1964 by type
Record type	Records
Highest daily maximum	165
Lowest daily maximum	17
Highest daily minimum	135
Lowest daily minimum	17
Heaviest daily rainfall	195
Heaviest daily snowfall	29
Deepest snow cover	9

Records on 20 January 1964 by timescale: all-time 3, monthly 25, daily 539.

How Much Records Were Beaten By

460 broken records

Margins by which the 460 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

20 January 1964

Top 20 records on 20 January 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 January 1964	Round Grove, US	all-time snowfall	48.3 cm (19.0 in)	17.8 cm (7.0 in)	25 years	68 of 100 (Major)
20 January 1964	Lakeview 2 NNW, US	monthly rain	45.2 mm (1.8 in)	14.7 mm (0.6 in)	68 years	66 of 100 (Major)
20 January 1964	Valley Falls, US	monthly rain	53.3 mm (2.1 in)	20.3 mm (0.8 in)	20 years	61 of 100 (Major)
20 January 1964	Salvador, BR	monthly rain	112.4 mm (4.4 in)	51.6 mm (2.0 in)	0 years	55 of 100 (Notable)
20 January 1964	Petoskey, US	daily rain	26.2 mm (1.0 in)	13.5 mm (0.5 in)	57 years	53 of 100 (Notable)
20 January 1964	Round Grove, US	all-time rain	69.1 mm (2.7 in)	13.7 mm (0.5 in)	1 year	51 of 100 (Notable)
20 January 1964	Petrolina, BR	monthly rain	136.0 mm (5.4 in)	39.2 mm (1.5 in)	39 years	50 of 100 (Notable)
20 January 1964	Ubaira (Areia), BR	daily rain	90.7 mm (3.6 in)	64.3 mm (2.5 in)	20 years	50 of 100 (Notable)
20 January 1964	St Walburg, CA	daily snowfall	17.8 cm (7.0 in)	15.3 cm (6.0 in)	34 years	50 of 100 (Notable)
20 January 1964	Paisley, US	monthly rain	52.1 mm (2.1 in)	14.3 mm (0.6 in)	20 years	48 of 100 (Notable)
20 January 1964	Barras, BR	monthly rain	152.0 mm (6.0 in)	54.0 mm (2.1 in)	8 years	47 of 100 (Notable)
20 January 1964	Mossoro, BR	daily rain	50.0 mm (2.0 in)	32.8 mm (1.3 in)	42 years	46 of 100 (Notable)
20 January 1964	Macaubas, BR	daily rain	98.0 mm (3.9 in)	52.4 mm (2.1 in)	24 years	45 of 100 (Notable)
20 January 1964	Pilger, CA	daily snowfall	14.0 cm (5.5 in)	8.9 cm (3.5 in)	32 years	45 of 100 (Notable)
20 January 1964	Marysville, US	daily rain	70.1 mm (2.8 in)	28.2 mm (1.1 in)	52 years	45 of 100 (Notable)
20 January 1964	Sherburne, US	daily rain	27.9 mm (1.1 in)	16.7 mm (0.7 in)	36 years	45 of 100 (Notable)
20 January 1964	Waterville, US	daily snow depth	45.7 cm (18.0 in)	45.7 cm (18.0 in)	30 years	44 of 100 (Notable)
20 January 1964	Klamath Falls 2 SSW, US	daily rain	46.2 mm (1.8 in)	19.3 mm (0.8 in)	20 years	43 of 100 (Notable)
20 January 1964	Lakeview 2 NNW, US	monthly snowfall	33.0 cm (13.0 in)	2.5 cm (1.0 in)	70 years	43 of 100 (Notable)
20 January 1964	Itaberaba, BR	daily rain	82.0 mm (3.2 in)	53.0 mm (2.1 in)	8 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

1795 to 1964

Records set or tied on this calendar date in each year from 1795 to 1964. 1964 had 567 records.

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

Records on 01-20 in each year
Year	Records
1795	2
1796	1
1798	1
1804	2
1820	1
1844	1
1850	1
1858	2
1861	1
1862	1
1863	1
1866	2
1867	1
1872	1
1874	4
1875	4
1878	1
1879	1
1880	5
1881	4
1885	1
1890	2
1891	1
1892	3
1893	3
1894	1
1895	2
1896	1
1897	3
1898	6
1899	12
1900	15
1901	11
1902	5
1903	4
1904	14
1905	2
1906	25
1907	26
1908	9
1909	30
1910	11
1911	3
1912	7
1913	44
1914	57
1915	153
1916	34
1917	123
1918	71
1919	28
1920	103
1921	45
1922	86
1923	41
1924	298
1925	181
1926	110
1927	381
1928	383
1929	203
1930	540
1931	90
1932	139
1933	441
1934	118
1935	904
1936	602
1937	1,041
1938	219
1939	238
1940	1,147
1941	214
1942	979
1943	1,002
1944	568
1945	302
1946	487
1947	534
1948	422
1949	429
1950	653
1951	958
1952	386
1953	476
1954	791
1955	278
1956	906
1957	349
1958	494
1959	603
1960	329
1961	641
1962	1,162
1963	921
1964	567
1965	283
1966	634
1967	556
1968	1,096
1969	859
1970	1,301
1971	936
1972	823
1973	450
1974	978
1975	688
1976	848
1977	997
1978	1,669
1979	1,158
1980	423
1981	823
1982	958
1983	847
1984	1,957
1985	2,188
1986	1,327
1987	1,063
1988	1,637
1989	955
1990	1,257
1991	562
1992	493
1993	1,327
1994	2,035
1995	1,136
1996	851
1997	658
1998	576
1999	1,368
2000	1,132
2001	667
2002	666
2003	732
2004	451
2005	1,335
2006	1,395
2007	2,143
2008	1,366
2009	738
2010	986
2011	731
2012	848
2013	432
2014	480
2015	413
2016	726
2017	1,370
2018	634
2019	722
2020	498
2021	375
2022	346
2023	778
2024	841
2025	1,599
2026	193

Download the Data

Data for records on 1964-01-20: 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).

Histogram of margins by which records were beaten on 20 January 1964
Margin	Records
0 to 100	450
100 to 200	7
200 to 300	2
300 to 400	0
400 to 500	1