Weather Records on 11 December 1999

769 weather records were set or tied worldwide on 11 December 1999. Highest significance: Kaumana 88.1, US.

Key Facts for 11 December 1999

On 11 December 1999, 769 weather records were set or tied at long-record stations worldwide.
134 were record highs and 131 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 747 daily.
Kaumana 88.1 set a daily record precipitation of 290.6 mm (11.4 in) on 11 December 1999.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 471 records.

Record Map

769 stations

769 station records on 11 December 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 December 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kaumana 88.1	United States	Record daily precipitation	290.6 mm (11.4 in)	58 of 100 (Notable)
Bonham 3NNE	United States	Record daily precipitation	83.8 mm (3.3 in)	56 of 100 (Notable)
Northfield	United States	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Eromanga - Webber St	Australia	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Manderscheid-Sonnenhof	Germany	Record daily precipitation	45.6 mm (1.8 in)	50 of 100 (Notable)
Aurland	Norway	Record snow depth	28.0 cm (11.0 in)	50 of 100 (Notable)
Kulani Camp 79	United States	Record daily precipitation	342.9 mm (13.5 in)	47 of 100 (Notable)
Koerich	Luxembourg	Record daily precipitation	43.4 mm (1.7 in)	46 of 100 (Notable)
Beulah	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Kapapala Rch 36	United States	Record daily precipitation	161.3 mm (6.4 in)	46 of 100 (Notable)
Schluchtern-Herolz	Germany	Record daily precipitation	40.2 mm (1.6 in)	45 of 100 (Notable)
Tallyabra	Australia	Record daily precipitation	36.5 mm (1.4 in)	44 of 100 (Notable)
Sao Roque	Brazil	Record daily precipitation	148.1 mm (5.8 in)	44 of 100 (Notable)
Vouziers	France	Record daily precipitation	29.4 mm (1.2 in)	44 of 100 (Notable)
Hemsjo	Sweden	Record daily precipitation	28.2 mm (1.1 in)	44 of 100 (Notable)
Bad Bergzabern	Germany	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Luxembourg Airport	Luxembourg	Record daily precipitation	30.8 mm (1.2 in)	43 of 100 (Notable)
Grebbeshult	Sweden	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
Jasper	United States	Record daily precipitation	93.2 mm (3.7 in)	43 of 100 (Notable)
Weatherford	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Paauilo 221	United States	Record daily precipitation	151.9 mm (6.0 in)	43 of 100 (Notable)
Bierbank	Australia	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Sandberg	Germany	Record daily precipitation	52.0 mm (2.0 in)	42 of 100 (Notable)
Lorentzweiler	Luxembourg	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Rainbow (Pella)	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
Bad Konigshofen	Germany	Record daily precipitation	26.8 mm (1.1 in)	41 of 100 (Notable)
Brucken	Germany	Record daily precipitation	70.2 mm (2.8 in)	41 of 100 (Notable)
Buxton	United Kingdom	Record daily precipitation	29.8 mm (1.2 in)	41 of 100 (Notable)
Uccle	Belgium	Record daily precipitation	25.3 mm (1.0 in)	40 of 100 (Notable)
Weinbiet	Germany	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Rumoi	Japan	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Mount Margaret	Australia	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Kaneohe 838.1	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Opaeula 870	United States	Record daily precipitation	72.9 mm (2.9 in)	39 of 100 (Notable)
Moble	Australia	Record daily precipitation	44.0 mm (1.7 in)	37 of 100 (Notable)
Hamburg-Wandsbek	Germany	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Ticuman	Mexico	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Stramproy	Netherlands	Record daily precipitation	25.6 mm (1.0 in)	37 of 100 (Notable)
Terneuzen	Netherlands	Record daily precipitation	28.2 mm (1.1 in)	37 of 100 (Notable)
Cedara	South Africa	Record daily precipitation	49.0 mm (1.9 in)	37 of 100 (Notable)
Tolt S Fk Rsvr	United States	Record daily precipitation	75.7 mm (3.0 in)	37 of 100 (Notable)
Rouen - Boos	France	Record daily precipitation	27.8 mm (1.1 in)	36 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Weiskirchen/Saar	Germany	Record daily precipitation	81.2 mm (3.2 in)	36 of 100 (Notable)
Huetamo	Mexico	Record low maximum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Huautla	Mexico	Record low minimum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Wanakena Rngr School	United States	Record daily snowfall	22.1 cm (8.7 in)	36 of 100 (Notable)
Arsdorf	Luxembourg	Record daily precipitation	38.8 mm (1.5 in)	35 of 100 (Notable)
Todmorden	Australia	Record daily precipitation	26.6 mm (1.0 in)	34 of 100 (Routine)
San Francisco Oxtotilpan	Mexico	Record high maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Tvingelshed	Sweden	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Cowley Station	Australia	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Buchten	Netherlands	Record daily precipitation	28.3 mm (1.1 in)	33 of 100 (Routine)
Piketon	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Calmus	Luxembourg	Record daily precipitation	30.2 mm (1.2 in)	32 of 100 (Routine)
Borinquen AP	Puerto Rico [United States]	Record low minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Moanalua 770	United States	Record daily precipitation	55.9 mm (2.2 in)	32 of 100 (Routine)
Saint Paul Is AP	United States	Record daily snowfall	8.4 cm (3.3 in)	32 of 100 (Routine)
Harare (Kutsaga)	Zimbabwe	Record daily precipitation	65.0 mm (2.6 in)	32 of 100 (Routine)
Cairns Post Office	Australia	Record low maximum temperature	29.2 C (84.6 F)	31 of 100 (Routine)

Counts by Type and Timescale

769 records

Records set or tied on 11 December 1999 by type: Highest daily maximum 67, Lowest daily maximum 68, Highest daily minimum 67, Lowest daily minimum 63, Heaviest daily rainfall 470, Heaviest daily snowfall 18, Deepest snow cover 16.

Records on 11 December 1999 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	68
Highest daily minimum	67
Lowest daily minimum	63
Heaviest daily rainfall	470
Heaviest daily snowfall	18
Deepest snow cover	16

Records on 11 December 1999 by timescale: all-time 2, monthly 20, daily 747.

How Much Records Were Beaten By

660 broken records

Margins by which the 660 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 297.7. Ties are not counted.

Top 20 by Significance

11 December 1999

Top 20 records on 11 December 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 1999	Kaumana 88.1, US	daily rain	290.6 mm (11.4 in)	125.5 mm (4.9 in)	44 years	58 of 100 (Notable)
11 December 1999	Bonham 3NNE, US	daily rain	83.8 mm (3.3 in)	37.1 mm (1.5 in)	76 years	56 of 100 (Notable)
11 December 1999	Northfield, US	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	76 years	56 of 100 (Notable)
11 December 1999	Eromanga - Webber St, AU	daily rain	39.0 mm (1.5 in)	23.3 mm (0.9 in)	76 years	51 of 100 (Notable)
11 December 1999	Manderscheid-Sonnenhof, DE	daily rain	45.6 mm (1.8 in)	29.0 mm (1.1 in)	24 years	50 of 100 (Notable)
11 December 1999	Aurland, NO	daily snow depth	28.0 cm (11.0 in)	18.0 cm (7.1 in)	40 years	50 of 100 (Notable)
11 December 1999	Kulani Camp 79, US	daily rain	342.9 mm (13.5 in)	297.7 mm (11.7 in)	6 years	47 of 100 (Notable)
11 December 1999	Koerich, LU	daily rain	43.4 mm (1.7 in)	23.1 mm (0.9 in)	36 years	46 of 100 (Notable)
11 December 1999	Beulah, US	daily snowfall	15.2 cm (6.0 in)	2.5 cm (1.0 in)	101 years	46 of 100 (Notable)
11 December 1999	Kapapala Rch 36, US	daily rain	161.3 mm (6.4 in)	127.8 mm (5.0 in)	37 years	46 of 100 (Notable)
11 December 1999	Schluchtern-Herolz, DE	daily rain	40.2 mm (1.6 in)	22.0 mm (0.9 in)	24 years	45 of 100 (Notable)
11 December 1999	Tallyabra, AU	daily rain	36.5 mm (1.4 in)	23.3 mm (0.9 in)	76 years	44 of 100 (Notable)
11 December 1999	Sao Roque, BR	daily rain	148.1 mm (5.8 in)	100.1 mm (3.9 in)	5 years	44 of 100 (Notable)
11 December 1999	Vouziers, FR	daily rain	29.4 mm (1.2 in)	12.1 mm (0.5 in)	32 years	44 of 100 (Notable)
11 December 1999	Hemsjo, SE	daily rain	28.2 mm (1.1 in)	14.2 mm (0.6 in)	24 years	44 of 100 (Notable)
11 December 1999	Bad Bergzabern, DE	daily rain	31.8 mm (1.3 in)	13.1 mm (0.5 in)	54 years	43 of 100 (Notable)
11 December 1999	Luxembourg Airport, LU	daily rain	30.8 mm (1.2 in)	16.0 mm (0.6 in)	36 years	43 of 100 (Notable)
11 December 1999	Grebbeshult, SE	daily rain	28.0 mm (1.1 in)	15.1 mm (0.6 in)	44 years	43 of 100 (Notable)
11 December 1999	Jasper, US	daily rain	93.2 mm (3.7 in)	48.2 mm (1.9 in)	38 years	43 of 100 (Notable)
11 December 1999	Weatherford, US	daily rain	53.3 mm (2.1 in)	20.3 mm (0.8 in)	57 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

1796 to 1999

Records set or tied on this calendar date in each year from 1796 to 1999. 1999 had 769 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 1999-12-11: 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	643
50 to 100	9
100 to 150	5
150 to 200	2
200 to 250	0
250 to 300	1