Weather Records on 1 December 1999

790 weather records were set or tied worldwide on 1 December 1999. Highest significance: Herbert Vale, AU.

Key Facts for 1 December 1999

On 1 December 1999, 790 weather records were set or tied at long-record stations worldwide.
409 were record highs and 204 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 66 monthly and 723 daily.
Herbert Vale set a daily record precipitation of 75.0 mm (3.0 in) on 1 December 1999.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 481 records.

Record Map

790 stations

790 station records on 1 December 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Herbert Vale	Australia	Record daily precipitation	75.0 mm (3.0 in)	78 of 100 (Major)
Avon Downs	Australia	Record daily precipitation	57.0 mm (2.2 in)	60 of 100 (Major)
Burketown Post Office	Australia	Record low maximum temperature	25.8 C (78.4 F)	60 of 100 (Major)
Kynuna	Australia	Record daily precipitation	74.0 mm (2.9 in)	57 of 100 (Notable)
Kumejima	Japan	Record daily precipitation	147.1 mm (5.8 in)	56 of 100 (Notable)
Oksendal	Norway	Record daily precipitation	54.5 mm (2.1 in)	55 of 100 (Notable)
Lort River	Australia	Record daily precipitation	43.0 mm (1.7 in)	54 of 100 (Notable)
Lake Nash	Australia	Record daily precipitation	86.0 mm (3.4 in)	54 of 100 (Notable)
Naha	Japan	Record daily precipitation	80.0 mm (3.1 in)	54 of 100 (Notable)
Grambek	Germany	Record daily precipitation	28.8 mm (1.1 in)	52 of 100 (Notable)
Hamburg-Wandsbek	Germany	Record daily precipitation	27.4 mm (1.1 in)	52 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record daily precipitation	26.7 mm (1.1 in)	51 of 100 (Notable)
Nuuk	Greenland [Denmark]	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Katta Barega	Australia	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Anthony Lagoon	Australia	Record daily precipitation	101.0 mm (4.0 in)	47 of 100 (Notable)
Prado	Brazil	Record daily precipitation	138.8 mm (5.5 in)	47 of 100 (Notable)
Flora Downs	Australia	Record daily precipitation	77.0 mm (3.0 in)	44 of 100 (Notable)
Adina	Australia	Record daily precipitation	34.6 mm (1.4 in)	43 of 100 (Notable)
Eddington Station	Australia	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Sugarloaf Rsvr	United States	Record high maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Esperance	Australia	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Mount Lyndhurst	Australia	Record daily precipitation	35.4 mm (1.4 in)	41 of 100 (Notable)
Ranken River	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Brunette Downs	Australia	Record daily precipitation	38.0 mm (1.5 in)	40 of 100 (Notable)
Alexandria	Australia	Record daily precipitation	69.2 mm (2.7 in)	40 of 100 (Notable)
Kamilaroi Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Austral Downs	Australia	Record daily precipitation	29.4 mm (1.2 in)	39 of 100 (Notable)
Boulia Airport	Australia	Record low maximum temperature	27.5 C (81.5 F)	39 of 100 (Notable)
Grangeville	United States	Record high maximum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Alliance 1WNW	United States	Record high maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Fort Constantine Station	Australia	Record daily precipitation	70.4 mm (2.8 in)	38 of 100 (Notable)
Carsland	Australia	Record daily precipitation	42.0 mm (1.7 in)	38 of 100 (Notable)
Glenwood Spgs #2	United States	Record high maximum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Marion	United States	Record low minimum temperature	-11.1 C (12.0 F)	38 of 100 (Notable)
Timpanogos Cave	United States	Record high maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Snake Rvr	United States	Record high maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Norddal	Norway	Record daily precipitation	40.3 mm (1.6 in)	37 of 100 (Notable)
Hegra II	Norway	Record daily precipitation	38.7 mm (1.5 in)	37 of 100 (Notable)
Ulricehamn	Sweden	Record high maximum temperature	8.5 C (47.3 F)	37 of 100 (Notable)
Cortez	United States	Record high maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Buffalo Bill Dam	United States	Record high maximum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Myrup	Australia	Record daily precipitation	31.3 mm (1.2 in)	36 of 100 (Notable)
Bridger 2 N	United States	Record high maximum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Cordillo Downs	Australia	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Julia Creek Post Office	Australia	Record daily precipitation	33.2 mm (1.3 in)	35 of 100 (Notable)
Tanbar Station	Australia	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Maatsuyker Island Lighthouse	Australia	Record high minimum temperature	16.8 C (62.2 F)	35 of 100 (Notable)
Arrowrock Dam	United States	Record high maximum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Elk City 1NE	United States	Record high maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Glenns Ferry	United States	Record high maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Kimball 2NE	United States	Record high maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Lovell	United States	Record high maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Ayutla (Cfe)	Mexico	Record low minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Sells	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Aberdeen Exp STN	United States	Record high maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Mohall	United States	Record high minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Erinair	Australia	Record daily precipitation	43.0 mm (1.7 in)	32 of 100 (Routine)
Dagworth Station	Australia	Record daily precipitation	40.2 mm (1.6 in)	32 of 100 (Routine)
Ajo	United States	Record high maximum temperature	31.1 C (88.0 F)	32 of 100 (Routine)
Paonia 1SW	United States	Record high minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

790 records

Records set or tied on 1 December 1999 by type: Highest daily maximum 252, Lowest daily maximum 71, Highest daily minimum 157, Lowest daily minimum 133, Heaviest daily rainfall 169, Heaviest daily snowfall 4, Deepest snow cover 4.

Records on 1 December 1999 by type
Record type	Records
Highest daily maximum	252
Lowest daily maximum	71
Highest daily minimum	157
Lowest daily minimum	133
Heaviest daily rainfall	169
Heaviest daily snowfall	4
Deepest snow cover	4

Records on 1 December 1999 by timescale: all-time 1, monthly 66, daily 723.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

1 December 1999

Top 20 records on 1 December 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1999	Herbert Vale, AU	daily rain	75.0 mm (3.0 in)	64.1 mm (2.5 in)	96 years	78 of 100 (Major)
1 December 1999	Avon Downs, AU	daily rain	57.0 mm (2.2 in)	46.1 mm (1.8 in)	88 years	60 of 100 (Major)
1 December 1999	Burketown Post Office, AU	daily low max	25.8 C (78.4 F)	5.7 C (10.3 F)	101 years	60 of 100 (Major)
1 December 1999	Kynuna, AU	daily rain	74.0 mm (2.9 in)	32.6 mm (1.3 in)	90 years	57 of 100 (Notable)
1 December 1999	Kumejima, JP	monthly rain	147.1 mm (5.8 in)	49.6 mm (2.0 in)	16 years	56 of 100 (Notable)
1 December 1999	Oksendal, NO	daily rain	54.5 mm (2.1 in)	32.4 mm (1.3 in)	32 years	55 of 100 (Notable)
1 December 1999	Lort River, AU	monthly rain	43.0 mm (1.7 in)	18.0 mm (0.7 in)	3 years	54 of 100 (Notable)
1 December 1999	Lake Nash, AU	monthly rain	86.0 mm (3.4 in)	11.1 mm (0.4 in)	87 years	54 of 100 (Notable)
1 December 1999	Naha, JP	daily rain	80.0 mm (3.1 in)	60.0 mm (2.4 in)	36 years	54 of 100 (Notable)
1 December 1999	Grambek, DE	daily rain	28.8 mm (1.1 in)	17.9 mm (0.7 in)	28 years	52 of 100 (Notable)
1 December 1999	Hamburg-Wandsbek, DE	daily rain	27.4 mm (1.1 in)	18.7 mm (0.7 in)	37 years	52 of 100 (Notable)
1 December 1999	Hamburg Fuhlsbuettel, DE	daily rain	26.7 mm (1.1 in)	10.1 mm (0.4 in)	60 years	51 of 100 (Notable)
1 December 1999	Nuuk, GL	daily rain	64.0 mm (2.5 in)	47.8 mm (1.9 in)	17 years	49 of 100 (Notable)
1 December 1999	Katta Barega, AU	monthly rain	42.4 mm (1.7 in)	15.4 mm (0.6 in)	18 years	47 of 100 (Notable)
1 December 1999	Anthony Lagoon, AU	daily rain	101.0 mm (4.0 in)	48.9 mm (1.9 in)	32 years	47 of 100 (Notable)
1 December 1999	Prado, BR	monthly rain	138.8 mm (5.5 in)	45.2 mm (1.8 in)	9 years	47 of 100 (Notable)
1 December 1999	Flora Downs, AU	monthly rain	77.0 mm (3.0 in)	18.1 mm (0.7 in)	38 years	44 of 100 (Notable)
1 December 1999	Adina, AU	daily rain	34.6 mm (1.4 in)	18.8 mm (0.7 in)	18 years	43 of 100 (Notable)
1 December 1999	Eddington Station, AU	daily rain	40.4 mm (1.6 in)	29.0 mm (1.1 in)	44 years	43 of 100 (Notable)
1 December 1999	Sugarloaf Rsvr, US	daily high max	13.3 C (55.9 F)	2.7 C (4.9 F)	96 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

1797 to 1999

Records set or tied on this calendar date in each year from 1797 to 1999. 1999 had 790 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 1999-12-01: 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 25	559
25 to 50	18
50 to 75	3
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	1
175 to 200	1