Weather Records on 18 December 1969

376 weather records were set or tied worldwide on 18 December 1969. Highest significance: Bom Conselho, BR.

Key Facts for 18 December 1969

On 18 December 1969, 376 weather records were set or tied at long-record stations worldwide.
121 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 367 daily.
Bom Conselho set a monthly record daily precipitation of 125.8 mm (5.0 in) on 18 December 1969.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 480 records.

Record Map

376 stations

376 station records on 18 December 1969 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1969: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bom Conselho	Brazil	Record daily precipitation	125.8 mm (5.0 in)	54 of 100 (Notable)
Sao Jose Do Belmonte	Brazil	Record daily precipitation	61.5 mm (2.4 in)	51 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	85.0 mm (3.3 in)	49 of 100 (Notable)
Estancia	Brazil	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Kallatty	India	Record daily precipitation	80.0 mm (3.1 in)	47 of 100 (Notable)
Simao Dias (Anapolis)	Brazil	Record daily precipitation	50.4 mm (2.0 in)	46 of 100 (Notable)
Pine Islet Lighthouse	Australia	Record daily precipitation	82.8 mm (3.3 in)	44 of 100 (Notable)
Malhada Real	Brazil	Record daily precipitation	63.2 mm (2.5 in)	43 of 100 (Notable)
Strathbogie	Australia	Record daily precipitation	75.4 mm (3.0 in)	42 of 100 (Notable)
Sidlaghatta	India	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Sigmarszell-Zeisertsweiler	Germany	Record daily precipitation	30.4 mm (1.2 in)	40 of 100 (Notable)
Cambridge Galt Moe	Canada	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Vanrook Station	Australia	Record daily precipitation	104.9 mm (4.1 in)	38 of 100 (Notable)
Orion	Australia	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Supai	United States	Record high minimum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
Itaporanga Dajuda	Brazil	Record daily precipitation	98.5 mm (3.9 in)	37 of 100 (Notable)
Port Hope	Canada	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Uthankarai	India	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Gunnawarra	Australia	Record daily precipitation	66.5 mm (2.6 in)	34 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Porteiras	Brazil	Record daily precipitation	53.4 mm (2.1 in)	34 of 100 (Routine)
Traverse Cy Cherry Capital AP	United States	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Mount McConnell	Australia	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Margate Collins St	Australia	Record daily precipitation	27.4 mm (1.1 in)	33 of 100 (Routine)
Serrinha	Brazil	Record daily precipitation	64.0 mm (2.5 in)	32 of 100 (Routine)
Winburg (Pol)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	32 of 100 (Routine)
Boetsap (Pol)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Little Falls 2NNE	United States	Record snow depth	55.9 cm (22.0 in)	32 of 100 (Routine)
Bernburg/Saale (Nord)	Germany	Record snow depth	18.0 cm (7.1 in)	31 of 100 (Routine)
Kr. Neckar-Odenwald Buchen	Germany	Record snow depth	20.0 cm (7.9 in)	31 of 100 (Routine)
Willeroo	Australia	Record daily precipitation	77.0 mm (3.0 in)	30 of 100 (Routine)
Nova Olinda (Andreza)	Brazil	Record daily precipitation	94.5 mm (3.7 in)	30 of 100 (Routine)
Tobias Barreto	Brazil	Record daily precipitation	84.0 mm (3.3 in)	30 of 100 (Routine)
Oak Ridges	Canada	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Brandenburg-Gorden	Germany	Record snow depth	12.0 cm (4.7 in)	30 of 100 (Routine)
Tuba City	United States	Record high maximum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Norman 3SSE	United States	Record high minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Yellowstone Park Mammoth	United States	Record high minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Telemon Station	Australia	Record daily precipitation	49.0 mm (1.9 in)	28 of 100 (Routine)
Ebrach	Germany	Record snow depth	20.0 cm (7.9 in)	28 of 100 (Routine)
Arukutty	India	Record daily precipitation	65.0 mm (2.6 in)	28 of 100 (Routine)
Delta	United States	Record high maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Yandarloo	Australia	Record daily precipitation	56.9 mm (2.2 in)	27 of 100 (Routine)
Brigalow Post Office	Australia	Record daily precipitation	33.8 mm (1.3 in)	27 of 100 (Routine)
Bowie	United States	Record high maximum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Keams Canyon	United States	Record high maximum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Timber Creek Police	Australia	Record daily precipitation	38.4 mm (1.5 in)	26 of 100 (Routine)
Manaira (Alagoa Nova)	Brazil	Record daily precipitation	42.0 mm (1.7 in)	26 of 100 (Routine)
Gagrskiy	Georgia	Record daily precipitation	61.0 mm (2.4 in)	26 of 100 (Routine)
Mio Hydro Plt	United States	Record daily snowfall	6.9 cm (2.7 in)	26 of 100 (Routine)
Newport	United States	Record high minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Bauhinia Downs Store	Australia	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Brejo Santo	Brazil	Record daily precipitation	45.5 mm (1.8 in)	25 of 100 (Routine)
Palmeiro Dos Indios	Brazil	Record daily precipitation	48.6 mm (1.9 in)	25 of 100 (Routine)
Porto da Folha	Brazil	Record daily precipitation	48.2 mm (1.9 in)	25 of 100 (Routine)
Japaratuba	Brazil	Record daily precipitation	41.6 mm (1.6 in)	25 of 100 (Routine)
St George	United States	Record high maximum temperature	18.3 C (64.9 F)	25 of 100 (Routine)
Warragai	Australia	Record daily precipitation	61.7 mm (2.4 in)	24 of 100 (Routine)
Nurnberg	Germany	Record snow depth	13.0 cm (5.1 in)	24 of 100 (Routine)
Atmakur	India	Record daily precipitation	53.6 mm (2.1 in)	24 of 100 (Routine)

Counts by Type and Timescale

376 records

Records set or tied on 18 December 1969 by type: Highest daily maximum 61, Lowest daily maximum 9, Highest daily minimum 60, Lowest daily minimum 16, Heaviest daily rainfall 178, Heaviest daily snowfall 23, Deepest snow cover 29.

Records on 18 December 1969 by type
Record type	Records
Highest daily maximum	61
Lowest daily maximum	9
Highest daily minimum	60
Lowest daily minimum	16
Heaviest daily rainfall	178
Heaviest daily snowfall	23
Deepest snow cover	29

Records on 18 December 1969 by timescale: all-time 0, monthly 9, daily 367.

How Much Records Were Beaten By

302 broken records

Margins by which the 302 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 December 1969

Top 20 records on 18 December 1969 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1969	Bom Conselho, BR	monthly rain	125.8 mm (5.0 in)	80.4 mm (3.2 in)	5 years	54 of 100 (Notable)
18 December 1969	Sao Jose Do Belmonte, BR	daily rain	61.5 mm (2.4 in)	53.0 mm (2.1 in)	42 years	51 of 100 (Notable)
18 December 1969	Lagoa da Canoa, BR	daily rain	85.0 mm (3.3 in)	69.0 mm (2.7 in)	16 years	49 of 100 (Notable)
18 December 1969	Estancia, BR	daily rain	74.2 mm (2.9 in)	45.8 mm (1.8 in)	15 years	47 of 100 (Notable)
18 December 1969	Kallatty, IN	daily rain	80.0 mm (3.1 in)	57.1 mm (2.2 in)	43 years	47 of 100 (Notable)
18 December 1969	Simao Dias (Anapolis), BR	daily rain	50.4 mm (2.0 in)	38.9 mm (1.5 in)	52 years	46 of 100 (Notable)
18 December 1969	Pine Islet Lighthouse, AU	daily rain	82.8 mm (3.3 in)	70.9 mm (2.8 in)	6 years	44 of 100 (Notable)
18 December 1969	Malhada Real, BR	daily rain	63.2 mm (2.5 in)	48.1 mm (1.9 in)	31 years	43 of 100 (Notable)
18 December 1969	Strathbogie, AU	daily rain	75.4 mm (3.0 in)	50.0 mm (2.0 in)	43 years	42 of 100 (Notable)
18 December 1969	Sidlaghatta, IN	daily rain	27.9 mm (1.1 in)	21.8 mm (0.9 in)	63 years	41 of 100 (Notable)
18 December 1969	Sigmarszell-Zeisertsweiler, DE	daily rain	30.4 mm (1.2 in)	19.3 mm (0.8 in)	35 years	40 of 100 (Notable)
18 December 1969	Cambridge Galt Moe, CA	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	82 years	39 of 100 (Notable)
18 December 1969	Vanrook Station, AU	daily rain	104.9 mm (4.1 in)	54.1 mm (2.1 in)	36 years	38 of 100 (Notable)
18 December 1969	Orion, AU	daily rain	35.6 mm (1.4 in)	22.4 mm (0.9 in)	62 years	38 of 100 (Notable)
18 December 1969	Supai, US	daily high min	9.4 C (48.9 F)	5.0 C (9.0 F)	69 years	38 of 100 (Notable)
18 December 1969	Itaporanga Dajuda, BR	monthly rain	98.5 mm (3.9 in)	25.0 mm (1.0 in)	10 years	37 of 100 (Notable)
18 December 1969	Port Hope, CA	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	85 years	36 of 100 (Notable)
18 December 1969	Uthankarai, IN	daily rain	52.0 mm (2.0 in)	30.7 mm (1.2 in)	32 years	35 of 100 (Notable)
18 December 1969	Gunnawarra, AU	daily rain	66.5 mm (2.6 in)	19.8 mm (0.8 in)	52 years	34 of 100 (Routine)
18 December 1969	Ravenswood Post Office, AU	daily rain	34.8 mm (1.4 in)	6.1 mm (0.24 in)	74 years	34 of 100 (Routine)

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

1793 to 1969

Records set or tied on this calendar date in each year from 1793 to 1969. 1969 had 376 records.

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

Records on 12-18 in each year
Year	Records
1793	1
1796	1
1805	1
1814	1
1825	1
1846	1
1849	1
1852	2
1858	1
1859	4
1862	2
1864	1
1868	1
1873	1
1875	1
1876	2
1878	1
1881	2
1882	1
1884	2
1886	1
1887	1
1888	1
1889	4
1890	5
1892	4
1894	8
1895	1
1897	4
1898	9
1899	3
1900	2
1901	6
1902	33
1903	11
1904	25
1905	3
1906	21
1907	15
1908	16
1909	18
1910	19
1911	9
1912	33
1913	38
1914	20
1915	28
1916	57
1917	62
1918	21
1919	117
1920	77
1921	123
1922	108
1923	378
1924	480
1925	74
1926	173
1927	151
1928	165
1929	366
1930	230
1931	360
1932	353
1933	506
1934	209
1935	138
1936	466
1937	459
1938	185
1939	900
1940	242
1941	213
1942	281
1943	419
1944	191
1945	598
1946	199
1947	266
1948	354
1949	561
1950	289
1951	867
1952	450
1953	373
1954	507
1955	611
1956	333
1957	901
1958	524
1959	477
1960	477
1961	885
1962	759
1963	571
1964	840
1965	402
1966	644
1967	1,105
1968	488
1969	376
1970	502
1971	387
1972	375
1973	1,008
1974	229
1975	625
1976	459
1977	992
1978	946
1979	1,087
1980	772
1981	1,362
1982	537
1983	2,014
1984	1,439
1985	1,384
1986	875
1987	1,505
1988	1,061
1989	1,818
1990	1,367
1991	756
1992	1,045
1993	697
1994	643
1995	1,065
1996	1,833
1997	1,195
1998	863
1999	923
2000	1,572
2001	906
2002	1,437
2003	987
2004	506
2005	987
2006	1,167
2007	746
2008	1,014
2009	1,253
2010	1,322
2011	697
2012	729
2013	513
2014	556
2015	1,254
2016	1,821
2017	516
2018	464
2019	679
2020	326
2021	762
2022	536
2023	1,293
2024	780
2025	994

Download the Data

Data for records on 1969-12-18: 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	281
50 to 100	17
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1