Weather Records on 1 December 2017

496 weather records were set or tied worldwide on 1 December 2017. Highest significance: Goychay, AZ.

Key Facts for 1 December 2017

On 1 December 2017, 496 weather records were set or tied at long-record stations worldwide.
215 were record highs and 47 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 38 monthly and 457 daily.
Goychay set a monthly record daily precipitation of 99.6 mm (3.9 in) on 1 December 2017.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 483 records.

Record Map

496 stations

496 station records on 1 December 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Goychay	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	75 of 100 (Major)
Gunbower Gee Tee Stud	Australia	Record daily precipitation	72.5 mm (2.9 in)	75 of 100 (Major)
Tonghe	China	Record daily precipitation	39.9 mm (1.6 in)	73 of 100 (Major)
Idjevan	Armenia	Record daily precipitation	99.3 mm (3.9 in)	67 of 100 (Major)
Dergholm (Hillgrove)	Australia	Record daily precipitation	36.2 mm (1.4 in)	67 of 100 (Major)
Manna Hill	Australia	Record daily precipitation	47.4 mm (1.9 in)	66 of 100 (Major)
Wakool (Barratta)	Australia	Record daily precipitation	58.0 mm (2.3 in)	57 of 100 (Notable)
Burrumbuttock (Holyrood)	Australia	Record daily precipitation	59.4 mm (2.3 in)	52 of 100 (Notable)
Koonamore	Australia	Record daily precipitation	36.0 mm (1.4 in)	50 of 100 (Notable)
Washta	United States	Record high maximum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Mount Schank (Jethia)	Australia	Record daily precipitation	33.4 mm (1.3 in)	48 of 100 (Notable)
Merino	Australia	Record daily precipitation	33.6 mm (1.3 in)	48 of 100 (Notable)
Betatakin	United States	Record high minimum temperature	11.7 C (53.1 F)	48 of 100 (Notable)
Lubny	Ukraine	Record daily precipitation	34.8 mm (1.4 in)	47 of 100 (Notable)
Castle Hot Springs	United States	Record high minimum temperature	16.1 C (61.0 F)	45 of 100 (Notable)
Frances	Australia	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Nundle Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Balldale Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	44 of 100 (Notable)
Pinnaroo (Kombali)	Australia	Record daily precipitation	52.4 mm (2.1 in)	43 of 100 (Notable)
Kalangadoo	Australia	Record daily precipitation	29.4 mm (1.2 in)	43 of 100 (Notable)
Maryborough	Australia	Record daily precipitation	57.0 mm (2.2 in)	43 of 100 (Notable)
Apsley (Post Office)	Australia	Record daily precipitation	42.0 mm (1.7 in)	43 of 100 (Notable)
Manna Hill (Wadnaminga)	Australia	Record daily precipitation	42.8 mm (1.7 in)	42 of 100 (Notable)
Yanac North	Australia	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Mutooroo	Australia	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Quirindi Post Office	Australia	Record daily precipitation	45.8 mm (1.8 in)	41 of 100 (Notable)
Cranbourne South	Australia	Record daily precipitation	49.4 mm (1.9 in)	41 of 100 (Notable)
Branxholme (Bassett)	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Poronajsk	Russia	Record low minimum temperature	-24.9 C (-12.8 F)	41 of 100 (Notable)
Midland 4 ENE	United States	Record high maximum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Wyndham Post Office	Australia	Record daily precipitation	38.2 mm (1.5 in)	40 of 100 (Notable)
Kotzebue AP	United States	Record snow depth	102.0 cm (40.2 in)	40 of 100 (Notable)
Bevendale (Riverview)	Australia	Record daily precipitation	43.3 mm (1.7 in)	39 of 100 (Notable)
Casterton (Roseneath)	Australia	Record daily precipitation	26.0 mm (1.0 in)	39 of 100 (Notable)
Cordes	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Laveen 3 SSE	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Loomberah (Pendene)	Australia	Record daily precipitation	41.0 mm (1.6 in)	38 of 100 (Notable)
Cockburn (Tepco)	Australia	Record daily precipitation	45.6 mm (1.8 in)	37 of 100 (Notable)
Wilpena (Oraparinna)	Australia	Record daily precipitation	31.7 mm (1.2 in)	36 of 100 (Notable)
Wolseley Park (the Pastures)	Australia	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Dimboola	Australia	Record daily precipitation	40.8 mm (1.6 in)	36 of 100 (Notable)
Murchison (Arcadia (Sunnyville	Australia	Record daily precipitation	57.0 mm (2.2 in)	36 of 100 (Notable)
Menara	Morocco	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Gregory Springs Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
Tabilk (Tahbilk Winery)	Australia	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
San Manuel	United States	Record high minimum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Belvedere	Australia	Record daily precipitation	57.0 mm (2.2 in)	34 of 100 (Routine)
Euston ( Benington)	Australia	Record daily precipitation	66.0 mm (2.6 in)	34 of 100 (Routine)
Organ Pipe Cactus Nm	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Truth Or Consequences Muni AP	United States	Record high minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Maroon	Australia	Record daily precipitation	46.2 mm (1.8 in)	33 of 100 (Routine)
Peechelba East	Australia	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Woods Point	Australia	Record daily precipitation	138.0 mm (5.4 in)	33 of 100 (Routine)
Macarthur (Post Office)	Australia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Jerome	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
San Carlos Rsvr	United States	Record high minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Gawler Council Depot	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Kangaroo Creek (Hayfield)	Australia	Record daily precipitation	34.0 mm (1.3 in)	32 of 100 (Routine)
Makaweli 965	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)

Counts by Type and Timescale

496 records

Records set or tied on 1 December 2017 by type: Highest daily maximum 52, Lowest daily maximum 21, Highest daily minimum 163, Lowest daily minimum 26, Heaviest daily rainfall 228, Deepest snow cover 6.

Records on 1 December 2017 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	21
Highest daily minimum	163
Lowest daily minimum	26
Heaviest daily rainfall	228
Heaviest daily snowfall	0
Deepest snow cover	6

Records on 1 December 2017 by timescale: all-time 1, monthly 38, daily 457.

How Much Records Were Beaten By

422 broken records

Margins by which the 422 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 461.0. Ties are not counted.

Top 20 by Significance

1 December 2017

Top 20 records on 1 December 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 2017	Goychay, AZ	monthly rain	99.6 mm (3.9 in)	66.4 mm (2.6 in)	59 years	75 of 100 (Major)
1 December 2017	Gunbower Gee Tee Stud, AU	daily rain	72.5 mm (2.9 in)	43.0 mm (1.7 in)	84 years	75 of 100 (Major)
1 December 2017	Tonghe, CN	monthly rain	39.9 mm (1.6 in)	21.9 mm (0.9 in)	59 years	73 of 100 (Major)
1 December 2017	Idjevan, AM	monthly rain	99.3 mm (3.9 in)	75.3 mm (3.0 in)	29 years	67 of 100 (Major)
1 December 2017	Dergholm (Hillgrove), AU	daily rain	36.2 mm (1.4 in)	21.0 mm (0.8 in)	80 years	67 of 100 (Major)
1 December 2017	Manna Hill, AU	daily rain	47.4 mm (1.9 in)	27.3 mm (1.1 in)	80 years	66 of 100 (Major)
1 December 2017	Wakool (Barratta), AU	daily rain	58.0 mm (2.3 in)	36.9 mm (1.5 in)	56 years	57 of 100 (Notable)
1 December 2017	Burrumbuttock (Holyrood), AU	daily rain	59.4 mm (2.3 in)	19.5 mm (0.8 in)	83 years	52 of 100 (Notable)
1 December 2017	Koonamore, AU	daily rain	36.0 mm (1.4 in)	11.9 mm (0.5 in)	106 years	50 of 100 (Notable)
1 December 2017	Washta, US	daily high max	18.3 C (64.9 F)	7.2 C (13.0 F)	104 years	50 of 100 (Notable)
1 December 2017	Mount Schank (Jethia), AU	daily rain	33.4 mm (1.3 in)	23.6 mm (0.9 in)	30 years	48 of 100 (Notable)
1 December 2017	Merino, AU	daily rain	33.6 mm (1.3 in)	17.1 mm (0.7 in)	52 years	48 of 100 (Notable)
1 December 2017	Betatakin, US	monthly high min	11.7 C (53.1 F)	6.7 C (12.1 F)	56 years	48 of 100 (Notable)
1 December 2017	Lubny, UA	monthly rain	34.8 mm (1.4 in)	6.8 mm (0.27 in)	43 years	47 of 100 (Notable)
1 December 2017	Castle Hot Springs, US	monthly high min	16.1 C (61.0 F)	0.5 C (0.9 F)	82 years	45 of 100 (Notable)
1 December 2017	Frances, AU	daily rain	36.6 mm (1.4 in)	3.1 mm (0.12 in)	121 years	44 of 100 (Notable)
1 December 2017	Nundle Post Office, AU	daily rain	31.8 mm (1.3 in)	5.9 mm (0.23 in)	107 years	44 of 100 (Notable)
1 December 2017	Balldale Post Office, AU	daily rain	44.0 mm (1.7 in)	4.4 mm (0.17 in)	106 years	44 of 100 (Notable)
1 December 2017	Pinnaroo (Kombali), AU	daily rain	52.4 mm (2.1 in)	23.4 mm (0.9 in)	30 years	43 of 100 (Notable)
1 December 2017	Kalangadoo, AU	daily rain	29.4 mm (1.2 in)	5.5 mm (0.22 in)	80 years	43 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 2017

Records set or tied on this calendar date in each year from 1797 to 2017. 2017 had 496 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 2017-12-01: 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 2026-10-16 (16 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	419
100 to 200	2
200 to 300	0
300 to 400	0
400 to 500	1