Weather Records on 1 February 1991

554 weather records were set or tied worldwide on 1 February 1991. Highest significance: Trenton Falls, US.

Key Facts for 1 February 1991

On 1 February 1991, 554 weather records were set or tied at long-record stations worldwide.
266 were record highs and 152 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 19 monthly and 530 daily.
Trenton Falls set a daily record snowfall of 30.5 cm (12.0 in) on 1 February 1991.
Across 159 earlier years (1795 to 2026) the same calendar date averaged 496 records.

Record Map

554 stations

554 station records on 1 February 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 February 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Trenton Falls	United States	Record daily snowfall	30.5 cm (12.0 in)	63 of 100 (Major)
Tylden "Tulden"	South Africa	Record daily precipitation	80.1 mm (3.2 in)	58 of 100 (Notable)
Worland	United States	Record snow depth	12.7 cm (5.0 in)	56 of 100 (Notable)
Tancochapa	Mexico	Record daily precipitation	67.8 mm (2.7 in)	55 of 100 (Notable)
Brazzaville	Congo (Brazzaville)	Record daily precipitation	181.1 mm (7.1 in)	53 of 100 (Notable)
Chimacum 4 S	United States	Record daily precipitation	43.7 mm (1.7 in)	51 of 100 (Notable)
Clearwater	United States	Record daily precipitation	79.0 mm (3.1 in)	48 of 100 (Notable)
Calkini (Smn)	Mexico	Record daily precipitation	31.8 mm (1.3 in)	47 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	134.1 mm (5.3 in)	47 of 100 (Notable)
Tak	Thailand	Record daily precipitation	102.1 mm (4.0 in)	45 of 100 (Notable)
San Lucas Ojitlan	Mexico	Record daily precipitation	39.9 mm (1.6 in)	44 of 100 (Notable)
Vigra	Norway	Record daily precipitation	38.8 mm (1.5 in)	44 of 100 (Notable)
Pretoria-Waterkloof-Cntry	South Africa	Record daily precipitation	88.5 mm (3.5 in)	44 of 100 (Notable)
Nylsvley	South Africa	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Campeche (Dge)	Mexico	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Cabo San Lucas	Mexico	Record low minimum temperature	1.1 C (34.0 F)	37 of 100 (Notable)
Sappho 8 E	United States	Record daily precipitation	79.2 mm (3.1 in)	36 of 100 (Notable)
Boonville 4 SSW	United States	Record daily snowfall	63.5 cm (25.0 in)	35 of 100 (Notable)
Deadwood	United States	Record high maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Lake Grace Comparison	Australia	Record high maximum temperature	45.4 C (113.7 F)	34 of 100 (Routine)
Nicosia	Cyprus	Record low maximum temperature	9.6 C (49.3 F)	34 of 100 (Routine)
Noumea (Nlle-Caledo	New Caledonia [France]	Record high minimum temperature	27.1 C (80.8 F)	34 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low maximum temperature	-21.4 C (-6.5 F)	33 of 100 (Routine)
Linguere	Senegal	Record high minimum temperature	26.9 C (80.4 F)	33 of 100 (Routine)
Morrisville 6 SW	United States	Record daily snowfall	16.5 cm (6.5 in)	33 of 100 (Routine)
Ibiza/Escodola	Spain	Record daily precipitation	26.3 mm (1.0 in)	32 of 100 (Routine)
Mc Henry 3W	United States	Record high maximum temperature	6.7 C (44.1 F)	32 of 100 (Routine)
Highmarket 2W	United States	Record daily snowfall	48.8 cm (19.2 in)	31 of 100 (Routine)
Booby Island Lighthouse	Australia	Record daily precipitation	125.2 mm (4.9 in)	30 of 100 (Routine)
Flatwillow 4 ENE	United States	Record high minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Medford Intl AP	United States	Record high maximum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Skovorodino	Russia	Record high maximum temperature	-5.7 C (21.7 F)	29 of 100 (Routine)
Zuur Anys	South Africa	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Podor	Senegal	Record high minimum temperature	24.5 C (76.1 F)	29 of 100 (Routine)
Park River	United States	Record high maximum temperature	6.1 C (43.0 F)	29 of 100 (Routine)
Sharon	United States	Record high maximum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Corrigin	Australia	Record high maximum temperature	45.2 C (113.4 F)	28 of 100 (Routine)
Nooitgedacht	South Africa	Record daily precipitation	39.5 mm (1.6 in)	28 of 100 (Routine)
Fig Tree	South Africa	Record daily precipitation	100.0 mm (3.9 in)	28 of 100 (Routine)
Yreka	United States	Record high maximum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Denton	United States	Record high minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Cooperstown	United States	Record high maximum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Hellinikon	Greece	Record low maximum temperature	4.8 C (40.6 F)	27 of 100 (Routine)
Rodeo (Dge)	Mexico	Record high minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Cardenas	Mexico	Record daily precipitation	75.4 mm (3.0 in)	27 of 100 (Routine)
Potlatch 3 NNE	United States	Record high minimum temperature	3.3 C (37.9 F)	27 of 100 (Routine)
Mitchell 2 NW	United States	Record high minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Lewistown AP	United States	Record high minimum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Ketchikan AP	United States	Record high maximum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Weltevreden	South Africa	Record daily precipitation	50.0 mm (2.0 in)	26 of 100 (Routine)
Simpson 6 N - Wildhorse	United States	Record high minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Edmore 4NW	United States	Record high maximum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Lastovo	Croatia	Record low minimum temperature	-2.7 C (27.1 F)	25 of 100 (Routine)
Brindisi	Italy	Record low maximum temperature	5.4 C (41.7 F)	25 of 100 (Routine)
Ellendale	United States	Record high maximum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Olga 2 SE	United States	Record high minimum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Kalgoorlie-Boulder Airport	Australia	Record high minimum temperature	27.1 C (80.8 F)	24 of 100 (Routine)
Rio Grande (Smn)	Mexico	Record low minimum temperature	-5.0 C (23.0 F)	24 of 100 (Routine)
Lajas Substn	Puerto Rico [United States]	Record high maximum temperature	31.7 C (89.1 F)	24 of 100 (Routine)

Counts by Type and Timescale

554 records

Records set or tied on 1 February 1991 by type: Highest daily maximum 147, Lowest daily maximum 84, Highest daily minimum 119, Lowest daily minimum 68, Heaviest daily rainfall 117, Heaviest daily snowfall 12, Deepest snow cover 7.

Records on 1 February 1991 by type
Record type	Records
Highest daily maximum	147
Lowest daily maximum	84
Highest daily minimum	119
Lowest daily minimum	68
Heaviest daily rainfall	117
Heaviest daily snowfall	12
Deepest snow cover	7

Records on 1 February 1991 by timescale: all-time 5, monthly 19, daily 530.

How Much Records Were Beaten By

430 broken records

Margins by which the 430 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

1 February 1991

Top 20 records on 1 February 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 February 1991	Trenton Falls, US	daily snowfall	30.5 cm (12.0 in)	20.3 cm (8.0 in)	60 years	63 of 100 (Major)
1 February 1991	Tylden "Tulden", ZA	daily rain	80.1 mm (3.2 in)	59.1 mm (2.3 in)	27 years	58 of 100 (Notable)
1 February 1991	Worland, US	daily snow depth	12.7 cm (5.0 in)	7.6 cm (3.0 in)	77 years	56 of 100 (Notable)
1 February 1991	Tancochapa, MX	daily rain	67.8 mm (2.7 in)	53.3 mm (2.1 in)	40 years	55 of 100 (Notable)
1 February 1991	Brazzaville, CG	monthly rain	181.1 mm (7.1 in)	52.1 mm (2.1 in)	40 years	53 of 100 (Notable)
1 February 1991	Chimacum 4 S, US	daily rain	43.7 mm (1.7 in)	24.4 mm (1.0 in)	39 years	51 of 100 (Notable)
1 February 1991	Clearwater, US	daily rain	79.0 mm (3.1 in)	46.0 mm (1.8 in)	56 years	48 of 100 (Notable)
1 February 1991	Calkini (Smn), MX	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	40 years	47 of 100 (Notable)
1 February 1991	Forks 1 E, US	daily rain	134.1 mm (5.3 in)	44.9 mm (1.8 in)	65 years	47 of 100 (Notable)
1 February 1991	Tak, TH	monthly rain	102.1 mm (4.0 in)	36.5 mm (1.4 in)	6 years	45 of 100 (Notable)
1 February 1991	San Lucas Ojitlan, MX	daily rain	39.9 mm (1.6 in)	35.1 mm (1.4 in)	29 years	44 of 100 (Notable)
1 February 1991	Vigra, NO	daily rain	38.8 mm (1.5 in)	22.0 mm (0.9 in)	11 years	44 of 100 (Notable)
1 February 1991	Pretoria-Waterkloof-Cntry, ZA	daily rain	88.5 mm (3.5 in)	36.9 mm (1.5 in)	45 years	44 of 100 (Notable)
1 February 1991	Nylsvley, ZA	daily rain	50.8 mm (2.0 in)	26.7 mm (1.1 in)	60 years	44 of 100 (Notable)
1 February 1991	Campeche (Dge), MX	daily rain	34.5 mm (1.4 in)	27.9 mm (1.1 in)	13 years	41 of 100 (Notable)
1 February 1991	Cabo San Lucas, MX	all-time low min	1.1 C (34.0 F)	1.7 C (3.1 F)	25 years	37 of 100 (Notable)
1 February 1991	Sappho 8 E, US	daily rain	79.2 mm (3.1 in)	46.7 mm (1.8 in)	29 years	36 of 100 (Notable)
1 February 1991	Boonville 4 SSW, US	daily snowfall	63.5 cm (25.0 in)	22.9 cm (9.0 in)	13 years	35 of 100 (Notable)
1 February 1991	Deadwood, US	daily high max	15.0 C (59.0 F)	2.2 C (4.0 F)	80 years	35 of 100 (Notable)
1 February 1991	Lake Grace Comparison, AU	all-time high max	45.4 C (113.7 F)	1.0 C (1.8 F)	30 years	34 of 100 (Routine)

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 1991

Records set or tied on this calendar date in each year from 1795 to 1991. 1991 had 554 records.

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

Records on 02-01 in each year
Year	Records
1795	1
1796	1
1830	1
1831	1
1846	1
1850	1
1851	1
1853	1
1854	1
1862	3
1866	1
1867	1
1869	4
1871	1
1873	1
1877	2
1878	2
1881	2
1884	3
1885	2
1886	2
1887	1
1888	2
1889	4
1891	1
1892	4
1893	1
1894	1
1895	3
1896	4
1897	5
1898	4
1899	5
1900	2
1901	3
1902	10
1903	4
1904	9
1905	7
1906	29
1907	13
1908	85
1909	23
1910	5
1911	38
1912	37
1913	35
1914	54
1915	51
1916	68
1917	69
1918	71
1919	21
1920	84
1921	36
1922	68
1923	249
1924	193
1925	80
1926	56
1927	110
1928	281
1929	178
1930	102
1931	264
1932	142
1933	283
1934	515
1935	441
1936	514
1937	270
1938	299
1939	271
1940	328
1941	365
1942	157
1943	281
1944	240
1945	469
1946	273
1947	352
1948	397
1949	604
1950	1,223
1951	1,756
1952	907
1953	552
1954	1,012
1955	296
1956	1,013
1957	539
1958	369
1959	398
1960	646
1961	479
1962	657
1963	1,161
1964	453
1965	453
1966	756
1967	628
1968	941
1969	485
1970	397
1971	1,597
1972	385
1973	716
1974	865
1975	634
1976	723
1977	516
1978	904
1979	1,728
1980	689
1981	961
1982	1,029
1983	1,463
1984	278
1985	2,572
1986	709
1987	826
1988	1,699
1989	1,772
1990	1,122
1991	554
1992	1,501
1993	819
1994	917
1995	1,330
1996	1,632
1997	883
1998	737
1999	1,031
2000	687
2001	1,124
2002	2,087
2003	1,301
2004	1,146
2005	714
2006	638
2007	930
2008	1,136
2009	506
2010	1,239
2011	1,204
2012	1,027
2013	704
2014	635
2015	958
2016	1,496
2017	424
2018	512
2019	816
2020	1,608
2021	570
2022	254
2023	416
2024	1,204
2025	557
2026	1,241

Download the Data

Data for records on 1991-02-01: 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	421
50 to 100	6
100 to 150	0
150 to 200	0
200 to 250	3