Weather Records on 14 December 1999

793 weather records were set or tied worldwide on 14 December 1999. Highest significance: Leavenworth 3 S, US.

Key Facts for 14 December 1999

On 14 December 1999, 793 weather records were set or tied at long-record stations worldwide.
200 were record highs and 155 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 18 monthly and 773 daily.
Leavenworth 3 S set a daily record precipitation of 68.6 mm (2.7 in) on 14 December 1999.
Across 164 earlier years (1796 to 2025) the same calendar date averaged 452 records.

Record Map

793 stations

793 station records on 14 December 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 December 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Leavenworth 3 S	United States	Record daily precipitation	68.6 mm (2.7 in)	72 of 100 (Major)
Sylvania	Australia	Record daily precipitation	125.0 mm (4.9 in)	55 of 100 (Notable)
Shenkursk	Russia	Record high minimum temperature	2.2 C (36.0 F)	50 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	57.4 mm (2.3 in)	50 of 100 (Notable)
Hatteras	United States	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Greenup Locks & Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	45 of 100 (Notable)
Warsaw Markland Dam	United States	Record daily precipitation	51.8 mm (2.0 in)	44 of 100 (Notable)
Laurelville	United States	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Aurland	Norway	Record snow depth	28.0 cm (11.0 in)	43 of 100 (Notable)
Asturias/Aviles	Spain	Record daily precipitation	47.9 mm (1.9 in)	43 of 100 (Notable)
Carrollton Lock 1	United States	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Wytheville	United States	Record high minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Valley City 3 NNW	United States	Record high maximum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
McKeesport	United States	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Rainier Paradise Rs	United States	Record daily snowfall	55.9 cm (22.0 in)	42 of 100 (Notable)
Atlantic City Marina	United States	Record high minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Marion Forks Fish Hatchery	United States	Record daily snowfall	33.0 cm (13.0 in)	41 of 100 (Notable)
Glenwillard Dashields L&D	United States	Record daily precipitation	25.7 mm (1.0 in)	41 of 100 (Notable)
Newport	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Bauru	Brazil	Record daily precipitation	82.0 mm (3.2 in)	40 of 100 (Notable)
El Rodeo	Mexico	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Gijon la Merced	Spain	Record daily precipitation	51.0 mm (2.0 in)	40 of 100 (Notable)
Woodbury	United States	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Laporte	United States	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Ashland	United States	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Broadus	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Warsaw 2 NW	United States	Record daily precipitation	47.5 mm (1.9 in)	39 of 100 (Notable)
Wardensville R M Farm	United States	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Cape Hatteras - Billy Mitchell	United States	Record daily precipitation	55.4 mm (2.2 in)	38 of 100 (Notable)
Slippery Rock 1 SSW	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Marble Bar Comparison	Australia	Record low maximum temperature	29.2 C (84.6 F)	35 of 100 (Notable)
Langdon Exp Farm	United States	Record high maximum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Steubenville	United States	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Painter 2 W	United States	Record daily precipitation	40.1 mm (1.6 in)	35 of 100 (Notable)
Arhangelsk	Russia	Record high maximum temperature	3.4 C (38.1 F)	34 of 100 (Routine)
Quito	Mexico	Record low minimum temperature	0.6 C (33.1 F)	33 of 100 (Routine)
Nolin Rvr Lake	United States	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Meadows of Dan 5 SW	United States	Record daily precipitation	48.5 mm (1.9 in)	33 of 100 (Routine)
Felipe Carrillo Puerto (Obs)	Mexico	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Amealco	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Danbury	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Mangum	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Ford City 4 S Dam	United States	Record daily precipitation	27.2 mm (1.1 in)	32 of 100 (Routine)
Cle Elum	United States	Record daily snowfall	30.5 cm (12.0 in)	32 of 100 (Routine)
Orkabie West Hill	Australia	Record daily precipitation	80.0 mm (3.1 in)	31 of 100 (Routine)
San Jeronimo	Mexico	Record low minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Ticuman	Mexico	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Bessaker	Norway	Record snow depth	34.0 cm (13.4 in)	31 of 100 (Routine)
Emmitsburg 2 SE	United States	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Lake Lure 2	United States	Record daily precipitation	36.3 mm (1.4 in)	31 of 100 (Routine)
Lerma	Mexico	Record low maximum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Kojnas	Russia	Record high minimum temperature	0.0 C (32.0 F)	30 of 100 (Routine)
Santander/Parayas	Spain	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Mechanicsville 5 NE	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Red Lake Falls	United States	Record high maximum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Lake Toxaway 2 SW	United States	Record daily precipitation	55.1 mm (2.2 in)	30 of 100 (Routine)
Carpenter 2 S	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Columbus-Valley Crossing	United States	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Big Meadows	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

793 records

Records set or tied on 14 December 1999 by type: Highest daily maximum 91, Lowest daily maximum 29, Highest daily minimum 109, Lowest daily minimum 126, Heaviest daily rainfall 386, Heaviest daily snowfall 39, Deepest snow cover 13.

Records on 14 December 1999 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	29
Highest daily minimum	109
Lowest daily minimum	126
Heaviest daily rainfall	386
Heaviest daily snowfall	39
Deepest snow cover	13

Records on 14 December 1999 by timescale: all-time 2, monthly 18, daily 773.

How Much Records Were Beaten By

666 broken records

Margins by which the 666 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

14 December 1999

Top 20 records on 14 December 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 December 1999	Leavenworth 3 S, US	daily rain	68.6 mm (2.7 in)	51.3 mm (2.0 in)	80 years	72 of 100 (Major)
14 December 1999	Sylvania, AU	monthly rain	125.0 mm (4.9 in)	54.0 mm (2.1 in)	0 years	55 of 100 (Notable)
14 December 1999	Shenkursk, RU	monthly high min	2.2 C (36.0 F)	0.2 C (0.4 F)	101 years	50 of 100 (Notable)
14 December 1999	Rocky Mt, US	daily rain	57.4 mm (2.3 in)	21.8 mm (0.9 in)	78 years	50 of 100 (Notable)
14 December 1999	Hatteras, US	daily rain	44.2 mm (1.7 in)	13.5 mm (0.5 in)	101 years	49 of 100 (Notable)
14 December 1999	Greenup Locks & Dam, US	daily rain	49.8 mm (2.0 in)	42.2 mm (1.7 in)	8 years	45 of 100 (Notable)
14 December 1999	Warsaw Markland Dam, US	daily rain	51.8 mm (2.0 in)	32.5 mm (1.3 in)	21 years	44 of 100 (Notable)
14 December 1999	Laurelville, US	daily rain	34.0 mm (1.3 in)	22.3 mm (0.9 in)	45 years	44 of 100 (Notable)
14 December 1999	Aurland, NO	daily snow depth	28.0 cm (11.0 in)	18.0 cm (7.1 in)	17 years	43 of 100 (Notable)
14 December 1999	Asturias/Aviles, ES	daily rain	47.9 mm (1.9 in)	30.9 mm (1.2 in)	24 years	43 of 100 (Notable)
14 December 1999	Carrollton Lock 1, US	daily rain	36.3 mm (1.4 in)	3.3 mm (0.13 in)	102 years	43 of 100 (Notable)
14 December 1999	Wytheville, US	daily high min	10.0 C (50.0 F)	2.8 C (5.0 F)	97 years	43 of 100 (Notable)
14 December 1999	Valley City 3 NNW, US	daily high max	8.9 C (48.0 F)	2.2 C (4.0 F)	104 years	42 of 100 (Notable)
14 December 1999	Portsmouth-Sciotoville, US	daily rain	38.1 mm (1.5 in)	3.3 mm (0.13 in)	97 years	42 of 100 (Notable)
14 December 1999	McKeesport, US	daily rain	28.4 mm (1.1 in)	12.1 mm (0.5 in)	64 years	42 of 100 (Notable)
14 December 1999	Rainier Paradise Rs, US	daily snowfall	55.9 cm (22.0 in)	17.8 cm (7.0 in)	72 years	42 of 100 (Notable)
14 December 1999	Atlantic City Marina, US	daily high min	11.1 C (52.0 F)	1.7 C (3.1 F)	97 years	42 of 100 (Notable)
14 December 1999	Marion Forks Fish Hatchery, US	daily snowfall	33.0 cm (13.0 in)	22.8 cm (9.0 in)	28 years	41 of 100 (Notable)
14 December 1999	Glenwillard Dashields L&D, US	daily rain	25.7 mm (1.0 in)	15.0 mm (0.6 in)	45 years	41 of 100 (Notable)
14 December 1999	Newport, US	daily rain	38.1 mm (1.5 in)	18.3 mm (0.7 in)	21 years	41 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 793 records.

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

Records on 12-14 in each year
Year	Records
1796	1
1806	1
1808	4
1814	1
1825	2
1831	1
1835	1
1840	2
1846	2
1847	1
1848	1
1849	1
1852	1
1855	3
1863	1
1867	2
1868	1
1870	1
1871	1
1872	1
1878	4
1879	2
1880	3
1881	3
1882	1
1886	2
1887	1
1888	2
1889	2
1890	1
1891	4
1892	2
1893	4
1894	4
1895	1
1896	3
1897	7
1898	3
1899	11
1900	3
1901	20
1902	10
1903	11
1904	12
1905	2
1906	7
1907	22
1908	10
1909	14
1910	14
1911	13
1912	41
1913	9
1914	85
1915	99
1916	96
1917	55
1918	97
1919	29
1920	67
1921	52
1922	112
1923	255
1924	238
1925	319
1926	206
1927	384
1928	332
1929	410
1930	92
1931	418
1932	260
1933	571
1934	141
1935	158
1936	384
1937	325
1938	81
1939	182
1940	237
1941	433
1942	323
1943	331
1944	243
1945	415
1946	397
1947	490
1948	818
1949	139
1950	305
1951	724
1952	382
1953	370
1954	225
1955	388
1956	443
1957	244
1958	814
1959	294
1960	654
1961	823
1962	886
1963	663
1964	337
1965	610
1966	483
1967	959
1968	337
1969	498
1970	174
1971	864
1972	907
1973	628
1974	328
1975	2,092
1976	445
1977	1,023
1978	389
1979	709
1980	774
1981	1,031
1982	496
1983	1,197
1984	1,862
1985	1,400
1986	397
1987	1,317
1988	674
1989	2,058
1990	629
1991	1,098
1992	1,308
1993	954
1994	558
1995	1,331
1996	832
1997	1,401
1998	1,227
1999	793
2000	1,950
2001	1,391
2002	863
2003	978
2004	738
2005	845
2006	1,445
2007	636
2008	1,319
2009	848
2010	1,891
2011	867
2012	938
2013	565
2014	1,046
2015	2,200
2016	650
2017	563
2018	699
2019	588
2020	551
2021	763
2022	1,028
2023	619
2024	363
2025	1,772

Download the Data

Data for records on 1999-12-14: 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	650
50 to 100	9
100 to 150	3
150 to 200	3
200 to 250	1