Weather Records on 12 December 1999

952 weather records were set or tied worldwide on 12 December 1999. Highest significance: Hagansport, US.

Key Facts for 12 December 1999

On 12 December 1999, 952 weather records were set or tied at long-record stations worldwide.
220 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 27 monthly and 924 daily.
Hagansport set a daily record precipitation of 81.3 mm (3.2 in) on 12 December 1999.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 465 records.

Record Map

952 stations

952 station records on 12 December 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hagansport	United States	Record daily precipitation	81.3 mm (3.2 in)	58 of 100 (Notable)
Waxahachie	United States	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Honey Grove	United States	Record daily precipitation	76.2 mm (3.0 in)	53 of 100 (Notable)
Stephenville Clark Fld	United States	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	63.5 mm (2.5 in)	51 of 100 (Notable)
Daisy 4 ENE	United States	Record daily precipitation	71.4 mm (2.8 in)	49 of 100 (Notable)
Grapevine Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Vihti Siippoo	Finland	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Putbus	Germany	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Idabel	United States	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Cooyar Post Office	Australia	Record daily precipitation	62.0 mm (2.4 in)	46 of 100 (Notable)
Blue Mtn Dam	United States	Record daily precipitation	83.3 mm (3.3 in)	46 of 100 (Notable)
Dardanelle	United States	Record daily precipitation	85.9 mm (3.4 in)	46 of 100 (Notable)
Parks 6 ENE	United States	Record daily precipitation	98.3 mm (3.9 in)	46 of 100 (Notable)
Avalon	United States	Record daily precipitation	79.0 mm (3.1 in)	46 of 100 (Notable)
Trenton	United States	Record daily precipitation	84.6 mm (3.3 in)	46 of 100 (Notable)
Ticuman	Mexico	Record high maximum temperature	40.0 C (104.0 F)	45 of 100 (Notable)
Clarksville Wwtp	United States	Record daily precipitation	76.2 mm (3.0 in)	45 of 100 (Notable)
Lavon Dam	United States	Record daily precipitation	77.5 mm (3.1 in)	45 of 100 (Notable)
Kulani Camp 79	United States	Record daily precipitation	406.4 mm (16.0 in)	45 of 100 (Notable)
Mena	United States	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Bertram 3 ENE	United States	Record daily precipitation	60.2 mm (2.4 in)	44 of 100 (Notable)
Kaumana 88.1	United States	Record daily precipitation	153.2 mm (6.0 in)	44 of 100 (Notable)
Maya	Australia	Record daily precipitation	25.0 mm (1.0 in)	43 of 100 (Notable)
South Comongin	Australia	Record daily precipitation	25.0 mm (1.0 in)	43 of 100 (Notable)
Aurland	Norway	Record snow depth	28.0 cm (11.0 in)	43 of 100 (Notable)
Danville	United States	Record daily precipitation	84.6 mm (3.3 in)	43 of 100 (Notable)
Pocahontas 1	United States	Record daily precipitation	43.7 mm (1.7 in)	43 of 100 (Notable)
Spiro	United States	Record daily precipitation	63.8 mm (2.5 in)	43 of 100 (Notable)
Belisario Dominguez I	Mexico	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Ratcliff	United States	Record daily precipitation	66.8 mm (2.6 in)	42 of 100 (Notable)
Potlatch 3 NNE	United States	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Greenwood	United States	Record daily precipitation	69.1 mm (2.7 in)	40 of 100 (Notable)
Comanche	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Rockwall	United States	Record daily precipitation	74.9 mm (2.9 in)	40 of 100 (Notable)
Balgownie West	Australia	Record daily precipitation	52.8 mm (2.1 in)	39 of 100 (Notable)
Pittsworth	Australia	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Melle	Germany	Record daily precipitation	28.3 mm (1.1 in)	39 of 100 (Notable)
Encarnacion	Paraguay	Record daily precipitation	132.0 mm (5.2 in)	39 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	56.9 mm (2.2 in)	39 of 100 (Notable)
Waco Dam	United States	Record daily precipitation	40.9 mm (1.6 in)	39 of 100 (Notable)
Kohala Mis 175.1	United States	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
Malvern	United States	Record daily precipitation	65.8 mm (2.6 in)	38 of 100 (Notable)
Jingi Jingi	Australia	Record daily precipitation	52.0 mm (2.0 in)	37 of 100 (Notable)
Green Forest	United States	Record daily precipitation	42.2 mm (1.7 in)	37 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	66.5 mm (2.6 in)	37 of 100 (Notable)
Meandarra Post Office	Australia	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Norrsundet	Sweden	Record daily precipitation	25.3 mm (1.0 in)	36 of 100 (Notable)
Gravelly	United States	Record daily precipitation	86.4 mm (3.4 in)	36 of 100 (Notable)
Bardwell Dam	United States	Record daily precipitation	51.1 mm (2.0 in)	36 of 100 (Notable)
Goldthwaite 1 WSW	United States	Record daily precipitation	43.9 mm (1.7 in)	36 of 100 (Notable)
Madisonville	United States	Record daily precipitation	33.8 mm (1.3 in)	36 of 100 (Notable)
Wills Pt	United States	Record daily precipitation	36.1 mm (1.4 in)	36 of 100 (Notable)
Lajes Ab	Portugal	Record daily precipitation	99.1 mm (3.9 in)	35 of 100 (Notable)
Bergvik	Sweden	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Tara Shire Council	Australia	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Tammisaari Bromarv Vattlax	Finland	Record daily precipitation	29.5 mm (1.2 in)	34 of 100 (Routine)
Greers Ferry Dam	United States	Record daily precipitation	74.9 mm (2.9 in)	34 of 100 (Routine)
Ripley	United States	Record daily precipitation	58.4 mm (2.3 in)	34 of 100 (Routine)
Hawkins	United States	Record daily precipitation	46.2 mm (1.8 in)	34 of 100 (Routine)

Counts by Type and Timescale

952 records

Records set or tied on 12 December 1999 by type: Highest daily maximum 136, Lowest daily maximum 45, Highest daily minimum 84, Lowest daily minimum 70, Heaviest daily rainfall 599, Heaviest daily snowfall 8, Deepest snow cover 10.

Records on 12 December 1999 by type
Record type	Records
Highest daily maximum	136
Lowest daily maximum	45
Highest daily minimum	84
Lowest daily minimum	70
Heaviest daily rainfall	599
Heaviest daily snowfall	8
Deepest snow cover	10

Records on 12 December 1999 by timescale: all-time 1, monthly 27, daily 924.

How Much Records Were Beaten By

852 broken records

Margins by which the 852 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 180.0. Ties are not counted.

Top 20 by Significance

12 December 1999

Top 20 records on 12 December 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1999	Hagansport, US	daily rain	81.3 mm (3.2 in)	45.7 mm (1.8 in)	76 years	58 of 100 (Notable)
12 December 1999	Waxahachie, US	daily rain	66.0 mm (2.6 in)	40.6 mm (1.6 in)	76 years	57 of 100 (Notable)
12 December 1999	Honey Grove, US	daily rain	76.2 mm (3.0 in)	34.8 mm (1.4 in)	76 years	53 of 100 (Notable)
12 December 1999	Stephenville Clark Fld, US	daily rain	54.6 mm (2.1 in)	38.9 mm (1.5 in)	44 years	53 of 100 (Notable)
12 December 1999	Dublin 2SE, US	daily rain	63.5 mm (2.5 in)	43.9 mm (1.7 in)	8 years	51 of 100 (Notable)
12 December 1999	Daisy 4 ENE, US	daily rain	71.4 mm (2.8 in)	49.8 mm (2.0 in)	44 years	49 of 100 (Notable)
12 December 1999	Grapevine Dam, US	daily rain	50.8 mm (2.0 in)	31.2 mm (1.2 in)	44 years	49 of 100 (Notable)
12 December 1999	Vihti Siippoo, FI	daily rain	27.9 mm (1.1 in)	20.1 mm (0.8 in)	17 years	48 of 100 (Notable)
12 December 1999	Putbus, DE	daily rain	27.2 mm (1.1 in)	12.8 mm (0.5 in)	4 years	48 of 100 (Notable)
12 December 1999	Idabel, US	daily rain	59.9 mm (2.4 in)	18.0 mm (0.7 in)	92 years	47 of 100 (Notable)
12 December 1999	Cooyar Post Office, AU	daily rain	62.0 mm (2.4 in)	15.8 mm (0.6 in)	88 years	46 of 100 (Notable)
12 December 1999	Blue Mtn Dam, US	daily rain	83.3 mm (3.3 in)	45.2 mm (1.8 in)	58 years	46 of 100 (Notable)
12 December 1999	Dardanelle, US	daily rain	85.9 mm (3.4 in)	36.6 mm (1.4 in)	44 years	46 of 100 (Notable)
12 December 1999	Parks 6 ENE, US	daily rain	98.3 mm (3.9 in)	76.7 mm (3.0 in)	20 years	46 of 100 (Notable)
12 December 1999	Avalon, US	daily rain	79.0 mm (3.1 in)	63.8 mm (2.5 in)	26 years	46 of 100 (Notable)
12 December 1999	Trenton, US	daily rain	84.6 mm (3.3 in)	67.3 mm (2.6 in)	5 years	46 of 100 (Notable)
12 December 1999	Ticuman, MX	daily high max	40.0 C (104.0 F)	6.1 C (11.0 F)	40 years	45 of 100 (Notable)
12 December 1999	Clarksville Wwtp, US	daily rain	76.2 mm (3.0 in)	13.2 mm (0.5 in)	88 years	45 of 100 (Notable)
12 December 1999	Lavon Dam, US	daily rain	77.5 mm (3.1 in)	59.0 mm (2.3 in)	0 years	45 of 100 (Notable)
12 December 1999	Kulani Camp 79, US	all-time rain	406.4 mm (16.0 in)	44.4 mm (1.7 in)	19 years	45 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 952 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1999-12-12: 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	788
25 to 50	48
50 to 75	11
75 to 100	4
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1