Weather Records on 31 December 2005

959 weather records were set or tied worldwide on 31 December 2005. Highest significance: Napa State Hospital, US.

Key Facts for 31 December 2005

On 31 December 2005, 959 weather records were set or tied at long-record stations worldwide.
468 were record highs and 63 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 92 monthly and 860 daily.
Napa State Hospital set a daily record precipitation of 101.1 mm (4.0 in) on 31 December 2005.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 484 records.

Record Map

959 stations

959 station records on 31 December 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Napa State Hospital	United States	Record daily precipitation	101.1 mm (4.0 in)	80 of 100 (Exceptional)
Winters	United States	Record daily precipitation	119.9 mm (4.7 in)	77 of 100 (Major)
Richfield	United States	Record daily precipitation	39.4 mm (1.6 in)	76 of 100 (Major)
Petaluma AP	United States	Record daily precipitation	102.1 mm (4.0 in)	74 of 100 (Major)
Elko Rgnl AP	United States	Record daily precipitation	29.0 mm (1.1 in)	74 of 100 (Major)
Akron	United States	Record daily precipitation	32.3 mm (1.3 in)	71 of 100 (Major)
Upper Lake 2 N	United States	Record daily precipitation	134.4 mm (5.3 in)	69 of 100 (Major)
Saint Helena	United States	Record daily precipitation	133.6 mm (5.3 in)	67 of 100 (Major)
Truckee Rs	United States	Record daily precipitation	108.0 mm (4.3 in)	66 of 100 (Major)
Paradise Valley 1 NW	United States	Record daily precipitation	30.7 mm (1.2 in)	63 of 100 (Major)
Kentfield	United States	Record daily precipitation	186.4 mm (7.3 in)	60 of 100 (Major)
Boca	United States	Record daily precipitation	100.3 mm (3.9 in)	57 of 100 (Notable)
Yemassee 1 N	United States	Record daily precipitation	91.4 mm (3.6 in)	57 of 100 (Notable)
De Smet	United States	Record daily snowfall	21.6 cm (8.5 in)	57 of 100 (Notable)
Healdsburg	United States	Record daily precipitation	91.4 mm (3.6 in)	56 of 100 (Notable)
San Francisco Dwtn	United States	Record daily precipitation	53.8 mm (2.1 in)	56 of 100 (Notable)
Marble Bar Comparison	Australia	Record daily precipitation	87.7 mm (3.5 in)	53 of 100 (Notable)
Fall Rvr Mills	United States	Record daily precipitation	41.4 mm (1.6 in)	53 of 100 (Notable)
Nhill	Australia	Record high maximum temperature	45.0 C (113.0 F)	51 of 100 (Notable)
Wismar	Germany	Record snow depth	30.0 cm (11.8 in)	51 of 100 (Notable)
Canyon Dam	United States	Record daily precipitation	87.9 mm (3.5 in)	51 of 100 (Notable)
Bend	United States	Record daily precipitation	50.3 mm (2.0 in)	51 of 100 (Notable)
Martinez Wtp	United States	Record daily precipitation	93.5 mm (3.7 in)	50 of 100 (Notable)
Twin Falls 6 E	United States	Record daily precipitation	28.7 mm (1.1 in)	50 of 100 (Notable)
Carson City	United States	Record daily precipitation	76.2 mm (3.0 in)	50 of 100 (Notable)
San Francisco Intl AP	United States	Record daily precipitation	47.2 mm (1.9 in)	50 of 100 (Notable)
Middletown	United States	Record daily precipitation	149.9 mm (5.9 in)	49 of 100 (Notable)
Minden	United States	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Hat Creek	United States	Record daily precipitation	33.0 mm (1.3 in)	48 of 100 (Notable)
Eucla	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Tenango	Mexico	Record daily precipitation	62.0 mm (2.4 in)	47 of 100 (Notable)
Lodi	United States	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Minidoka Dam	United States	Record daily precipitation	29.2 mm (1.1 in)	47 of 100 (Notable)
Derby Aero	Australia	Record daily precipitation	70.0 mm (2.8 in)	46 of 100 (Notable)
Fairfield	United States	Record daily precipitation	132.1 mm (5.2 in)	46 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	215.9 mm (8.5 in)	46 of 100 (Notable)
Livermore	United States	Record daily precipitation	48.5 mm (1.9 in)	46 of 100 (Notable)
Tahoe City	United States	Record daily precipitation	136.4 mm (5.4 in)	46 of 100 (Notable)
Green Springs Pwr Plt	United States	Record daily precipitation	104.9 mm (4.1 in)	46 of 100 (Notable)
Reno AP	United States	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Berkeley	United States	Record daily precipitation	51.8 mm (2.0 in)	45 of 100 (Notable)
Donner Mem Sp	United States	Record daily precipitation	152.4 mm (6.0 in)	45 of 100 (Notable)
Mt Diablo Junction	United States	Record daily precipitation	76.5 mm (3.0 in)	45 of 100 (Notable)
Ukiah 4 WSW	United States	Record daily precipitation	152.4 mm (6.0 in)	45 of 100 (Notable)
Yreka	United States	Record daily precipitation	83.3 mm (3.3 in)	45 of 100 (Notable)
Roseburg Rgnl AP	United States	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Angwin Pacific Union College	United States	Record daily precipitation	141.5 mm (5.6 in)	44 of 100 (Notable)
Hood Rvr Exp STN	United States	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
Sacramento AP ASOS	United States	Record daily precipitation	53.8 mm (2.1 in)	43 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	42.9 C (109.2 F)	42 of 100 (Notable)
Coatepec Harinas	Mexico	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Susanville 2SW	United States	Record daily precipitation	51.6 mm (2.0 in)	42 of 100 (Notable)
Clayton Muni Air Pk	United States	Record high minimum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Eenrum	Netherlands	Record snow depth	16.0 cm (6.3 in)	41 of 100 (Notable)
Colfax	United States	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Vacaville	United States	Record daily precipitation	133.1 mm (5.2 in)	41 of 100 (Notable)
Estacada 2 SE	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Nes (Ameland)	Netherlands	Record snow depth	10.0 cm (3.9 in)	40 of 100 (Notable)
Ukiah	United States	Record daily precipitation	129.3 mm (5.1 in)	40 of 100 (Notable)
Emmetsburg	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

959 records

Records set or tied on 31 December 2005 by type: Highest daily maximum 269, Lowest daily maximum 34, Highest daily minimum 199, Lowest daily minimum 29, Heaviest daily rainfall 349, Heaviest daily snowfall 24, Deepest snow cover 55.

Records on 31 December 2005 by type
Record type	Records
Highest daily maximum	269
Lowest daily maximum	34
Highest daily minimum	199
Lowest daily minimum	29
Heaviest daily rainfall	349
Heaviest daily snowfall	24
Deepest snow cover	55

Records on 31 December 2005 by timescale: all-time 7, monthly 92, daily 860.

How Much Records Were Beaten By

770 broken records

Margins by which the 770 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

31 December 2005

Top 20 records on 31 December 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 2005	Napa State Hospital, US	daily rain	101.1 mm (4.0 in)	66.8 mm (2.6 in)	100 years	80 of 100 (Exceptional)
31 December 2005	Winters, US	daily rain	119.9 mm (4.7 in)	69.1 mm (2.7 in)	92 years	77 of 100 (Major)
31 December 2005	Richfield, US	daily rain	39.4 mm (1.6 in)	21.9 mm (0.9 in)	92 years	76 of 100 (Major)
31 December 2005	Petaluma AP, US	daily rain	102.1 mm (4.0 in)	51.0 mm (2.0 in)	92 years	74 of 100 (Major)
31 December 2005	Elko Rgnl AP, US	daily rain	29.0 mm (1.1 in)	17.3 mm (0.7 in)	115 years	74 of 100 (Major)
31 December 2005	Akron, US	daily rain	32.3 mm (1.3 in)	30.5 mm (1.2 in)	70 years	71 of 100 (Major)
31 December 2005	Upper Lake 2 N, US	daily rain	134.4 mm (5.3 in)	56.2 mm (2.2 in)	105 years	69 of 100 (Major)
31 December 2005	Saint Helena, US	daily rain	133.6 mm (5.3 in)	66.8 mm (2.6 in)	92 years	67 of 100 (Major)
31 December 2005	Truckee Rs, US	daily rain	108.0 mm (4.3 in)	47.0 mm (1.9 in)	96 years	66 of 100 (Major)
31 December 2005	Paradise Valley 1 NW, US	daily rain	30.7 mm (1.2 in)	19.3 mm (0.8 in)	51 years	63 of 100 (Major)
31 December 2005	Kentfield, US	daily rain	186.4 mm (7.3 in)	63.2 mm (2.5 in)	92 years	60 of 100 (Major)
31 December 2005	Boca, US	monthly rain	100.3 mm (3.9 in)	29.2 mm (1.1 in)	50 years	57 of 100 (Notable)
31 December 2005	Yemassee 1 N, US	monthly rain	91.4 mm (3.6 in)	10.4 mm (0.4 in)	98 years	57 of 100 (Notable)
31 December 2005	De Smet, US	daily snowfall	21.6 cm (8.5 in)	12.7 cm (5.0 in)	70 years	57 of 100 (Notable)
31 December 2005	Healdsburg, US	daily rain	91.4 mm (3.6 in)	37.8 mm (1.5 in)	105 years	56 of 100 (Notable)
31 December 2005	San Francisco Dwtn, US	daily rain	53.8 mm (2.1 in)	31.2 mm (1.2 in)	75 years	56 of 100 (Notable)
31 December 2005	Marble Bar Comparison, AU	daily rain	87.7 mm (3.5 in)	50.9 mm (2.0 in)	35 years	53 of 100 (Notable)
31 December 2005	Fall Rvr Mills, US	daily rain	41.4 mm (1.6 in)	19.8 mm (0.8 in)	75 years	53 of 100 (Notable)
31 December 2005	Nhill, AU	monthly high max	45.0 C (113.0 F)	0.6 C (1.1 F)	104 years	51 of 100 (Notable)
31 December 2005	Wismar, DE	daily snow depth	30.0 cm (11.8 in)	15.0 cm (5.9 in)	27 years	51 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

1797 to 2005

Records set or tied on this calendar date in each year from 1797 to 2005. 2005 had 959 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 2005-12-31: 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 20	658
20 to 40	61
40 to 60	24
60 to 80	14
80 to 100	5
100 to 120	2
120 to 140	2
140 to 160	4