Weather Records on 1 December 1997

736 weather records were set or tied worldwide on 1 December 1997. Highest significance: Orebro, SE.

Key Facts for 1 December 1997

On 1 December 1997, 736 weather records were set or tied at long-record stations worldwide.
244 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 51 monthly and 685 daily.
Orebro set a daily record precipitation of 28.5 mm (1.1 in) on 1 December 1997.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 482 records.

Record Map

736 stations

736 station records on 1 December 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orebro	Sweden	Record daily precipitation	28.5 mm (1.1 in)	71 of 100 (Major)
Riddarhyttan	Sweden	Record daily precipitation	40.8 mm (1.6 in)	64 of 100 (Major)
Norberg	Sweden	Record daily precipitation	28.3 mm (1.1 in)	57 of 100 (Notable)
Hult	Sweden	Record daily precipitation	27.0 mm (1.1 in)	53 of 100 (Notable)
Ludvika	Sweden	Record daily precipitation	34.0 mm (1.3 in)	53 of 100 (Notable)
Tuscola	United States	Record daily precipitation	68.3 mm (2.7 in)	53 of 100 (Notable)
Little Port Walter	United States	Record daily precipitation	231.6 mm (9.1 in)	52 of 100 (Notable)
Nyberget	Sweden	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Kindsjon_D	Sweden	Record daily precipitation	31.6 mm (1.2 in)	51 of 100 (Notable)
Grundforsen	Sweden	Record daily precipitation	38.2 mm (1.5 in)	51 of 100 (Notable)
Litke	Russia	Record daily precipitation	25.0 mm (1.0 in)	50 of 100 (Notable)
Munkfors	Sweden	Record daily precipitation	29.3 mm (1.2 in)	50 of 100 (Notable)
Marviken	Sweden	Record daily precipitation	32.5 mm (1.3 in)	49 of 100 (Notable)
Ostra_Amtervik	Sweden	Record daily precipitation	31.8 mm (1.3 in)	49 of 100 (Notable)
Pesaro	Italy	Record daily precipitation	50.9 mm (2.0 in)	48 of 100 (Notable)
Torntorp	Sweden	Record daily precipitation	25.9 mm (1.0 in)	48 of 100 (Notable)
Aneth Plt	United States	Record high maximum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Pijijiapan	Mexico	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Simonstorp_O	Sweden	Record daily precipitation	25.3 mm (1.0 in)	47 of 100 (Notable)
Forshult	Sweden	Record daily precipitation	25.3 mm (1.0 in)	47 of 100 (Notable)
Dehradun	India	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Malung	Sweden	Record daily precipitation	26.0 mm (1.0 in)	46 of 100 (Notable)
Grythyttan	Sweden	Record daily precipitation	25.5 mm (1.0 in)	46 of 100 (Notable)
Horken	Sweden	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Grangesberg	Sweden	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Telningsberg	Sweden	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Castilho	Brazil	Record daily precipitation	86.1 mm (3.4 in)	43 of 100 (Notable)
Berkeley	United States	Record low maximum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Moore Haven Lock 1	United States	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Jasper	United States	Record daily precipitation	47.2 mm (1.9 in)	43 of 100 (Notable)
Margaritas	Mexico	Record daily precipitation	49.8 mm (2.0 in)	42 of 100 (Notable)
Torsby	Sweden	Record daily precipitation	32.4 mm (1.3 in)	42 of 100 (Notable)
Alberga	Sweden	Record daily precipitation	31.2 mm (1.2 in)	41 of 100 (Notable)
Kolsva	Sweden	Record daily precipitation	28.2 mm (1.1 in)	41 of 100 (Notable)
Belle Glade	United States	Record daily precipitation	34.8 mm (1.4 in)	40 of 100 (Notable)
Capitan Carlos Martinez de Pi	Peru	Record high minimum temperature	22.5 C (72.5 F)	39 of 100 (Notable)
Oxelosund	Sweden	Record daily precipitation	25.0 mm (1.0 in)	39 of 100 (Notable)
Ostmark-Rojdasen	Sweden	Record daily precipitation	36.4 mm (1.4 in)	39 of 100 (Notable)
Dubois Srn In Forage Farm	United States	Record daily precipitation	62.5 mm (2.5 in)	39 of 100 (Notable)
Gouvea	Brazil	Record daily precipitation	68.5 mm (2.7 in)	38 of 100 (Notable)
Kristinefors	Sweden	Record daily precipitation	26.3 mm (1.0 in)	38 of 100 (Notable)
Newburgh L&D	United States	Record daily precipitation	52.3 mm (2.1 in)	38 of 100 (Notable)
Gormanston (Gould Street)	Australia	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Santo Hipolito	Brazil	Record daily precipitation	71.5 mm (2.8 in)	36 of 100 (Notable)
Karlstad	Sweden	Record snow depth	20.1 cm (7.9 in)	36 of 100 (Notable)
Walsenburg 1 NW	United States	Record snow depth	40.6 cm (16.0 in)	36 of 100 (Notable)
Newry	Australia	Record daily precipitation	51.0 mm (2.0 in)	35 of 100 (Notable)
Rifaina	Brazil	Record daily precipitation	126.1 mm (5.0 in)	35 of 100 (Notable)
Tenosique (Smn)	Mexico	Record daily precipitation	100.1 mm (3.9 in)	35 of 100 (Notable)
Santa Fe	Mexico	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Trona	United States	Record high minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Bertrand	United States	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Conceicao Do Mato D	Brazil	Record daily precipitation	52.6 mm (2.1 in)	33 of 100 (Routine)
Lekeberga	Sweden	Record daily precipitation	26.3 mm (1.0 in)	33 of 100 (Routine)
Lindesberg	Sweden	Record daily precipitation	29.1 mm (1.1 in)	33 of 100 (Routine)
Evertsberg	Sweden	Record daily precipitation	31.6 mm (1.2 in)	33 of 100 (Routine)
Sandy Cape Lighthouse	Australia	Record daily precipitation	59.6 mm (2.3 in)	32 of 100 (Routine)
Kitt Peak	United States	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
Deaver	United States	Record high maximum temperature	16.7 C (62.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

736 records

Records set or tied on 1 December 1997 by type: Highest daily maximum 132, Lowest daily maximum 88, Highest daily minimum 112, Lowest daily minimum 61, Heaviest daily rainfall 303, Heaviest daily snowfall 13, Deepest snow cover 27.

Records on 1 December 1997 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	88
Highest daily minimum	112
Lowest daily minimum	61
Heaviest daily rainfall	303
Heaviest daily snowfall	13
Deepest snow cover	27

Records on 1 December 1997 by timescale: all-time 0, monthly 51, daily 685.

How Much Records Were Beaten By

617 broken records

Margins by which the 617 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

1 December 1997

Top 20 records on 1 December 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1997	Orebro, SE	daily rain	28.5 mm (1.1 in)	11.6 mm (0.5 in)	124 years	71 of 100 (Major)
1 December 1997	Riddarhyttan, SE	monthly rain	40.8 mm (1.6 in)	13.8 mm (0.5 in)	52 years	64 of 100 (Major)
1 December 1997	Norberg, SE	daily rain	28.3 mm (1.1 in)	20.3 mm (0.8 in)	43 years	57 of 100 (Notable)
1 December 1997	Hult, SE	daily rain	27.0 mm (1.1 in)	18.3 mm (0.7 in)	28 years	53 of 100 (Notable)
1 December 1997	Ludvika, SE	daily rain	34.0 mm (1.3 in)	13.7 mm (0.5 in)	60 years	53 of 100 (Notable)
1 December 1997	Tuscola, US	daily rain	68.3 mm (2.7 in)	43.9 mm (1.7 in)	11 years	53 of 100 (Notable)
1 December 1997	Little Port Walter, US	daily rain	231.6 mm (9.1 in)	116.5 mm (4.6 in)	34 years	52 of 100 (Notable)
1 December 1997	Nyberget, SE	daily rain	31.0 mm (1.2 in)	21.6 mm (0.9 in)	20 years	51 of 100 (Notable)
1 December 1997	Kindsjon_D, SE	monthly rain	31.6 mm (1.2 in)	11.6 mm (0.5 in)	20 years	51 of 100 (Notable)
1 December 1997	Grundforsen, SE	monthly rain	38.2 mm (1.5 in)	13.0 mm (0.5 in)	10 years	51 of 100 (Notable)
1 December 1997	Litke, RU	daily rain	25.0 mm (1.0 in)	17.2 mm (0.7 in)	26 years	50 of 100 (Notable)
1 December 1997	Munkfors, SE	daily rain	29.3 mm (1.2 in)	18.4 mm (0.7 in)	20 years	50 of 100 (Notable)
1 December 1997	Marviken, SE	daily rain	32.5 mm (1.3 in)	20.2 mm (0.8 in)	20 years	49 of 100 (Notable)
1 December 1997	Ostra_Amtervik, SE	daily rain	31.8 mm (1.3 in)	21.2 mm (0.8 in)	20 years	49 of 100 (Notable)
1 December 1997	Pesaro, IT	daily rain	50.9 mm (2.0 in)	6.9 mm (0.27 in)	106 years	48 of 100 (Notable)
1 December 1997	Torntorp, SE	daily rain	25.9 mm (1.0 in)	20.5 mm (0.8 in)	12 years	48 of 100 (Notable)
1 December 1997	Aneth Plt, US	monthly high max	20.0 C (68.0 F)	0.6 C (1.1 F)	95 years	48 of 100 (Notable)
1 December 1997	Pijijiapan, MX	monthly rain	66.0 mm (2.6 in)	22.1 mm (0.9 in)	35 years	47 of 100 (Notable)
1 December 1997	Simonstorp_O, SE	daily rain	25.3 mm (1.0 in)	13.3 mm (0.5 in)	20 years	47 of 100 (Notable)
1 December 1997	Forshult, SE	daily rain	25.3 mm (1.0 in)	14.5 mm (0.6 in)	28 years	47 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

1797 to 1997

Records set or tied on this calendar date in each year from 1797 to 1997. 1997 had 736 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1997-12-01: 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	604
50 to 100	8
100 to 150	4
150 to 200	0
200 to 250	0
250 to 300	1