Weather Records on 5 December 1909

55 weather records were set or tied worldwide on 5 December 1909. Highest significance: Portland Rfc City, US.

Key Facts for 5 December 1909

On 5 December 1909, 55 weather records were set or tied at long-record stations worldwide.
24 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 54 daily.
Portland Rfc City set a daily record low maximum temperature of -0.6 C (30.9 F) on 5 December 1909.
Across 170 earlier years (1796 to 2025) the same calendar date averaged 478 records.

Record Map

55 stations

55 station records on 5 December 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 December 1909: highest significance records shown on the map
Station	Country	Type	Value	Significance
Portland Rfc City	United States	Record low maximum temperature	-0.6 C (30.9 F)	21 of 100 (Routine)
San Diego Wbo	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Royal Observatory	South Africa	Record daily precipitation	10.3 mm (0.4 in)	20 of 100 (Routine)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Narre Warren North (Narre Warr	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
San Diego Wbo	United States	Record low maximum temperature	12.2 C (54.0 F)	20 of 100 (Routine)
Milwaukee Wb City	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Escanaba	United States	Record daily precipitation	37.3 mm (1.5 in)	20 of 100 (Routine)
Ringwood 2	Australia	Record daily precipitation	15.7 mm (0.6 in)	17 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	18.8 mm (0.7 in)	17 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily snowfall	18.8 cm (7.4 in)	17 of 100 (Routine)
Dalhousie	Canada	Record high minimum temperature	1.7 C (35.1 F)	17 of 100 (Routine)
Washington	United States	Record high maximum temperature	18.9 C (66.0 F)	17 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Owen Sound	Canada	Record high maximum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	17.5 mm (0.7 in)	15 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	0.5 mm (0.02 in)	15 of 100 (Routine)
San Diego Wbo	United States	Record low minimum temperature	5.0 C (41.0 F)	15 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	7.6 mm (0.30 in)	14 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Chatham	Canada	Record high minimum temperature	2.8 C (37.0 F)	14 of 100 (Routine)
St John's	Canada	Record high minimum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	8.9 C (48.0 F)	13 of 100 (Routine)
Charlottetown	Canada	Record high minimum temperature	3.9 C (39.0 F)	13 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	0.7 C (33.3 F)	13 of 100 (Routine)
La Crosse Wb City	United States	Record high maximum temperature	10.6 C (51.1 F)	13 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	1.7 C (35.1 F)	12 of 100 (Routine)
Southampton	Canada	Record high minimum temperature	2.2 C (36.0 F)	12 of 100 (Routine)
Quebec	Canada	Record high minimum temperature	0.6 C (33.1 F)	12 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	22.1 C (71.8 F)	12 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	14.5 mm (0.6 in)	12 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
Dandenong (Comberoond)	Australia	Record daily precipitation	12.2 mm (0.5 in)	11 of 100 (Routine)
Stonecliffe	Canada	Record high maximum temperature	6.7 C (44.1 F)	11 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	3.3 C (37.9 F)	11 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high maximum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	16.7 C (62.1 F)	11 of 100 (Routine)
Walgett Council Depot	Australia	Record low maximum temperature	27.2 C (81.0 F)	10 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	10.9 mm (0.4 in)	10 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low maximum temperature	22.2 C (72.0 F)	9 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	0.6 C (33.1 F)	9 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	1.1 C (34.0 F)	9 of 100 (Routine)
Fredericton Unb	Canada	Record high minimum temperature	2.8 C (37.0 F)	9 of 100 (Routine)
Alice Springs Post Office	Australia	Record low maximum temperature	27.8 C (82.0 F)	6 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	5 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low maximum temperature	2.8 C (37.0 F)	5 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	9.9 mm (0.39 in)	5 of 100 (Routine)
Beenak	Australia	Record daily precipitation	16.5 mm (0.6 in)	3 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low maximum temperature	13.3 C (55.9 F)	3 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	0.0 C (32.0 F)	2 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	-2.8 C (27.0 F)	2 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	6.1 C (43.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

55 records

Records set or tied on 5 December 1909 by type: Highest daily maximum 11, Lowest daily maximum 9, Highest daily minimum 13, Lowest daily minimum 2, Heaviest daily rainfall 19, Heaviest daily snowfall 1.

Records on 5 December 1909 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	9
Highest daily minimum	13
Lowest daily minimum	2
Heaviest daily rainfall	19
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 5 December 1909 by timescale: all-time 0, monthly 1, daily 54.

How Much Records Were Beaten By

51 broken records

Margins by which the 51 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.0. Ties are not counted.

Top 20 by Significance

5 December 1909

Top 20 records on 5 December 1909 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 December 1909	Portland Rfc City, US	daily low max	-0.6 C (30.9 F)	3.9 C (7.0 F)	28 years	21 of 100 (Routine)
5 December 1909	San Diego Wbo, US	daily rain	23.1 mm (0.9 in)	10.9 mm (0.4 in)	57 years	20 of 100 (Routine)
5 December 1909	Royal Observatory, ZA	daily rain	10.3 mm (0.4 in)	4.5 mm (0.18 in)	57 years	20 of 100 (Routine)
5 December 1909	Stellenbosch (Tnk), ZA	daily rain	18.3 mm (0.7 in)	14.5 mm (0.6 in)	25 years	20 of 100 (Routine)
5 December 1909	Malmesbury, ZA	daily rain	10.4 mm (0.4 in)	7.4 mm (0.29 in)	31 years	20 of 100 (Routine)
5 December 1909	Narre Warren North (Narre Warr, AU	daily rain	21.1 mm (0.8 in)	7.6 mm (0.30 in)	39 years	20 of 100 (Routine)
5 December 1909	Paarl (Tnk), ZA	daily rain	18.8 mm (0.7 in)	8.6 mm (0.34 in)	25 years	20 of 100 (Routine)
5 December 1909	San Diego Wbo, US	daily low max	12.2 C (54.0 F)	2.8 C (5.0 F)	28 years	20 of 100 (Routine)
5 December 1909	Milwaukee Wb City, US	daily rain	16.5 mm (0.6 in)	7.4 mm (0.29 in)	19 years	20 of 100 (Routine)
5 December 1909	Escanaba, US	monthly rain	37.3 mm (1.5 in)	0.2 mm (0.01 in)	23 years	20 of 100 (Routine)
5 December 1909	Ringwood 2, AU	daily rain	15.7 mm (0.6 in)	5.5 mm (0.22 in)	31 years	17 of 100 (Routine)
5 December 1909	Winnipeg St Johns Coll, CA	daily rain	18.8 mm (0.7 in)	3.6 mm (0.14 in)	13 years	17 of 100 (Routine)
5 December 1909	Winnipeg St Johns Coll, CA	daily snowfall	18.8 cm (7.4 in)	3.6 cm (1.4 in)	13 years	17 of 100 (Routine)
5 December 1909	Dalhousie, CA	daily high min	1.7 C (35.1 F)	3.4 C (6.1 F)	30 years	17 of 100 (Routine)
5 December 1909	Washington, US	daily high max	18.9 C (66.0 F)	3.3 C (5.9 F)	25 years	17 of 100 (Routine)
5 December 1909	Deniliquin (Wilkinson St), AU	daily low max	20.6 C (69.1 F)	0.6 C (1.1 F)	31 years	15 of 100 (Routine)
5 December 1909	Owen Sound, CA	daily high max	10.6 C (51.1 F)	2.3 C (4.1 F)	28 years	15 of 100 (Routine)
5 December 1909	Tulbagh (Pol), ZA	daily rain	17.5 mm (0.7 in)	15.5 mm (0.6 in)	13 years	15 of 100 (Routine)
5 December 1909	Clanwilliam (Pol), ZA	daily rain	0.5 mm (0.02 in)	0.5 mm (0.02 in)	39 years	15 of 100 (Routine)
5 December 1909	San Diego Wbo, US	daily low min	5.0 C (41.0 F)	1.1 C (2.0 F)	28 years	15 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

1796 to 1909

Records set or tied on this calendar date in each year from 1796 to 1909. 1909 had 55 records.

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

Records on 12-05 in each year
Year	Records
1796	1
1797	2
1808	1
1812	1
1820	1
1823	1
1824	1
1825	2
1827	1
1829	3
1833	2
1841	1
1842	1
1844	2
1846	2
1852	1
1853	1
1856	4
1859	1
1863	1
1866	2
1867	4
1868	4
1869	1
1870	1
1871	1
1872	1
1874	1
1875	2
1876	1
1877	2
1878	1
1879	3
1880	1
1884	1
1885	2
1886	2
1888	3
1891	5
1892	2
1893	1
1895	13
1896	1
1897	1
1898	7
1900	11
1901	1
1902	13
1903	8
1904	4
1905	4
1906	15
1907	6
1908	7
1909	55
1910	10
1911	97
1912	40
1913	35
1914	22
1915	95
1916	81
1917	35
1918	32
1919	48
1920	89
1921	56
1922	99
1923	168
1924	106
1925	220
1926	370
1927	82
1928	168
1929	111
1930	247
1931	224
1932	235
1933	566
1934	164
1935	273
1936	409
1937	336
1938	279
1939	691
1940	244
1941	899
1942	583
1943	276
1944	320
1945	418
1946	552
1947	283
1948	529
1949	139
1950	887
1951	780
1952	324
1953	459
1954	425
1955	568
1956	1,229
1957	348
1958	465
1959	287
1960	898
1961	415
1962	834
1963	326
1964	909
1965	534
1966	1,038
1967	253
1968	766
1969	594
1970	845
1971	690
1972	2,240
1973	910
1974	527
1975	859
1976	533
1977	1,227
1978	960
1979	863
1980	1,054
1981	590
1982	1,577
1983	1,024
1984	1,141
1985	1,324
1986	798
1987	829
1988	581
1989	1,317
1990	887
1991	1,384
1992	1,743
1993	871
1994	1,481
1995	1,094
1996	987
1997	718
1998	2,489
1999	1,060
2000	973
2001	2,046
2002	2,027
2003	1,031
2004	805
2005	1,475
2006	1,646
2007	992
2008	807
2009	1,229
2010	1,237
2011	1,472
2012	1,081
2013	1,763
2014	476
2015	721
2016	636
2017	568
2018	338
2019	463
2020	529
2021	679
2022	454
2023	1,402
2024	796
2025	872

Download the Data

Data for records on 1909-12-05: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	42
5 to 10	5
10 to 15	2
15 to 20	1
20 to 25	0
25 to 30	0
30 to 35	0
35 to 40	1