Weather Records on 29 December 2017

1,559 weather records were set or tied worldwide on 29 December 2017. Highest significance: Pomeroy, US.

Key Facts for 29 December 2017

On 29 December 2017, 1,559 weather records were set or tied at long-record stations worldwide.
705 were record highs and 560 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 58 monthly and 1,499 daily.
Pomeroy set a monthly record daily precipitation of 58.4 mm (2.3 in) on 29 December 2017.
Across 161 earlier years (1799 to 2025) the same calendar date averaged 476 records.

Record Map

1,559 stations

1,559 station records on 29 December 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 December 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pomeroy	United States	Record daily precipitation	58.4 mm (2.3 in)	84 of 100 (Exceptional)
Moscow U of I	United States	Record daily precipitation	48.8 mm (1.9 in)	75 of 100 (Major)
Lewiston AP	United States	Record daily precipitation	33.8 mm (1.3 in)	67 of 100 (Major)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	89.9 mm (3.5 in)	64 of 100 (Major)
N Fk Elk Creek	United States	Record daily precipitation	38.1 mm (1.5 in)	63 of 100 (Major)
Muskegon Co AP	United States	Record daily snowfall	37.3 cm (14.7 in)	63 of 100 (Major)
Big Timber	United States	Record snow depth	50.8 cm (20.0 in)	58 of 100 (Notable)
Busby	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
E Glacier	United States	Record daily snowfall	63.5 cm (25.0 in)	55 of 100 (Notable)
Lancaster	United States	Record low maximum temperature	-20.0 C (-4.0 F)	54 of 100 (Notable)
Chester	United States	Record snow depth	35.6 cm (14.0 in)	53 of 100 (Notable)
Mill Creek Dam	United States	Record daily precipitation	33.5 mm (1.3 in)	53 of 100 (Notable)
Pullman 2 NW	United States	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Rosalia	United States	Record daily precipitation	29.7 mm (1.2 in)	51 of 100 (Notable)
Hart 3 WSW	United States	Record daily snowfall	27.9 cm (11.0 in)	50 of 100 (Notable)
Beartooth Lake	United States	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Norfolk 2 SW	United States	Record low maximum temperature	-15.6 C (3.9 F)	48 of 100 (Notable)
Indian Lake 2SW	United States	Record low maximum temperature	-19.4 C (-2.9 F)	48 of 100 (Notable)
Lowville	United States	Record low maximum temperature	-19.4 C (-2.9 F)	48 of 100 (Notable)
Anderson 1 N	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Harlowton	United States	Record snow depth	35.6 cm (14.0 in)	46 of 100 (Notable)
Tupper Lake Sunmount	United States	Record low maximum temperature	-19.4 C (-2.9 F)	46 of 100 (Notable)
Telfer Aero	Australia	Record daily precipitation	82.6 mm (3.3 in)	45 of 100 (Notable)
Yakabindie	Australia	Record daily precipitation	55.0 mm (2.2 in)	44 of 100 (Notable)
Ft Valley	United States	Record high maximum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Sioux Rapids	United States	Record daily snowfall	12.2 cm (4.8 in)	44 of 100 (Notable)
Haverhill	United States	Record low maximum temperature	-12.2 C (10.0 F)	44 of 100 (Notable)
Central Michigan UNIV	United States	Record low maximum temperature	-11.7 C (10.9 F)	44 of 100 (Notable)
Seaside	United States	Record daily precipitation	100.3 mm (3.9 in)	44 of 100 (Notable)
Newport	United States	Record low maximum temperature	-22.8 C (-9.0 F)	44 of 100 (Notable)
Snoqualmie Falls	United States	Record daily precipitation	57.4 mm (2.3 in)	44 of 100 (Notable)
Warm Springs	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Woods Point	Australia	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Toora	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Storrs	United States	Record low maximum temperature	-13.3 C (8.1 F)	43 of 100 (Notable)
Watseka Public Works	United States	Record low maximum temperature	-10.6 C (12.9 F)	43 of 100 (Notable)
Madison	United States	Record low minimum temperature	-31.7 C (-25.1 F)	43 of 100 (Notable)
Bynum 4 SSE	United States	Record daily snowfall	25.4 cm (10.0 in)	43 of 100 (Notable)
Durham	United States	Record low maximum temperature	-15.6 C (3.9 F)	43 of 100 (Notable)
Boonton 1 SE	United States	Record low maximum temperature	-8.9 C (16.0 F)	43 of 100 (Notable)
Sussex 1 NW	United States	Record low maximum temperature	-10.6 C (12.9 F)	43 of 100 (Notable)
Renovo	United States	Record low maximum temperature	-7.8 C (18.0 F)	43 of 100 (Notable)
Scipio	United States	Record high maximum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Touchet	United States	Record daily precipitation	81.3 mm (3.2 in)	43 of 100 (Notable)
Lorna Glen	Australia	Record daily precipitation	36.0 mm (1.4 in)	42 of 100 (Notable)
Hacienda Ylang Ylang Veracruz	Mexico	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Ekaterinburg	Russia	Record high minimum temperature	-0.5 C (31.1 F)	42 of 100 (Notable)
Portola	United States	Record high maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Hyannis	United States	Record low maximum temperature	-8.9 C (16.0 F)	42 of 100 (Notable)
Middleboro	United States	Record low maximum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
Everett	United States	Record low maximum temperature	-7.8 C (18.0 F)	42 of 100 (Notable)
Franklin	United States	Record low maximum temperature	-9.4 C (15.1 F)	42 of 100 (Notable)
Selinsgrove 2 S	United States	Record low maximum temperature	-7.8 C (18.0 F)	42 of 100 (Notable)
De Smet	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Bayard	United States	Record low minimum temperature	-22.2 C (-8.0 F)	42 of 100 (Notable)
Logan	United States	Record low maximum temperature	-3.3 C (26.1 F)	42 of 100 (Notable)
Natural Brg	United States	Record high maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Marshall	United States	Record low maximum temperature	-3.9 C (25.0 F)	41 of 100 (Notable)
Goshen 3SW	United States	Record low maximum temperature	-10.0 C (14.0 F)	41 of 100 (Notable)
Farmington	United States	Record low maximum temperature	-16.7 C (1.9 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,559 records

Records set or tied on 29 December 2017 by type: Highest daily maximum 425, Lowest daily maximum 409, Highest daily minimum 280, Lowest daily minimum 151, Heaviest daily rainfall 195, Heaviest daily snowfall 71, Deepest snow cover 28.

Records on 29 December 2017 by type
Record type	Records
Highest daily maximum	425
Lowest daily maximum	409
Highest daily minimum	280
Lowest daily minimum	151
Heaviest daily rainfall	195
Heaviest daily snowfall	71
Deepest snow cover	28

Records on 29 December 2017 by timescale: all-time 2, monthly 58, daily 1,499.

How Much Records Were Beaten By

1,300 broken records

Margins by which the 1,300 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

29 December 2017

Top 20 records on 29 December 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 December 2017	Pomeroy, US	monthly rain	58.4 mm (2.3 in)	20.0 mm (0.8 in)	80 years	84 of 100 (Exceptional)
29 December 2017	Moscow U of I, US	daily rain	48.8 mm (1.9 in)	29.0 mm (1.1 in)	84 years	75 of 100 (Major)
29 December 2017	Lewiston AP, US	monthly rain	33.8 mm (1.3 in)	11.7 mm (0.5 in)	42 years	67 of 100 (Major)
29 December 2017	Col du Grand St-Bernard, CH	daily rain	89.9 mm (3.5 in)	47.5 mm (1.9 in)	72 years	64 of 100 (Major)
29 December 2017	N Fk Elk Creek, US	monthly rain	38.1 mm (1.5 in)	15.2 mm (0.6 in)	39 years	63 of 100 (Major)
29 December 2017	Muskegon Co AP, US	daily snowfall	37.3 cm (14.7 in)	18.0 cm (7.1 in)	56 years	63 of 100 (Major)
29 December 2017	Big Timber, US	daily snow depth	50.8 cm (20.0 in)	30.5 cm (12.0 in)	62 years	58 of 100 (Notable)
29 December 2017	Busby, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	86 years	56 of 100 (Notable)
29 December 2017	E Glacier, US	daily snowfall	63.5 cm (25.0 in)	45.7 cm (18.0 in)	32 years	55 of 100 (Notable)
29 December 2017	Lancaster, US	daily low max	-20.0 C (-4.0 F)	7.8 C (14.0 F)	122 years	54 of 100 (Notable)
29 December 2017	Chester, US	monthly snow depth	35.6 cm (14.0 in)	2.6 cm (1.0 in)	101 years	53 of 100 (Notable)
29 December 2017	Mill Creek Dam, US	daily rain	33.5 mm (1.3 in)	20.8 mm (0.8 in)	20 years	53 of 100 (Notable)
29 December 2017	Pullman 2 NW, US	daily rain	34.5 mm (1.4 in)	15.2 mm (0.6 in)	66 years	52 of 100 (Notable)
29 December 2017	Rosalia, US	daily rain	29.7 mm (1.2 in)	5.3 mm (0.21 in)	112 years	51 of 100 (Notable)
29 December 2017	Hart 3 WSW, US	daily snowfall	27.9 cm (11.0 in)	11.4 cm (4.5 in)	56 years	50 of 100 (Notable)
29 December 2017	Beartooth Lake, US	daily rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	20 years	49 of 100 (Notable)
29 December 2017	Norfolk 2 SW, US	daily low max	-15.6 C (3.9 F)	5.0 C (9.0 F)	130 years	48 of 100 (Notable)
29 December 2017	Indian Lake 2SW, US	daily low max	-19.4 C (-2.9 F)	4.4 C (7.9 F)	100 years	48 of 100 (Notable)
29 December 2017	Lowville, US	daily low max	-19.4 C (-2.9 F)	5.0 C (9.0 F)	122 years	48 of 100 (Notable)
29 December 2017	Anderson 1 N, US	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	115 years	46 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

1799 to 2017

Records set or tied on this calendar date in each year from 1799 to 2017. 2017 had 1,559 records.

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

Records on 12-29 in each year
Year	Records
1799	1
1810	1
1824	1
1829	1
1839	2
1853	2
1864	1
1865	1
1866	1
1867	1
1868	2
1870	1
1871	1
1872	2
1873	1
1874	2
1876	2
1877	2
1878	1
1880	6
1881	4
1882	2
1884	1
1885	1
1886	1
1887	3
1889	2
1890	7
1891	3
1893	2
1894	3
1895	1
1896	1
1897	8
1898	7
1899	4
1900	1
1901	18
1902	8
1903	10
1904	16
1905	19
1906	14
1907	10
1908	21
1909	18
1910	7
1911	6
1912	52
1913	12
1914	46
1915	47
1916	69
1917	145
1918	33
1919	157
1920	68
1921	60
1922	42
1923	126
1924	119
1925	209
1926	117
1927	350
1928	93
1929	262
1930	96
1931	363
1932	192
1933	479
1934	406
1935	392
1936	552
1937	280
1938	178
1939	272
1940	648
1941	110
1942	458
1943	232
1944	226
1945	497
1946	1,122
1947	310
1948	711
1949	217
1950	286
1951	571
1952	156
1953	205
1954	955
1955	373
1956	563
1957	527
1958	442
1959	251
1960	404
1961	525
1962	754
1963	285
1964	533
1965	634
1966	719
1967	867
1968	1,028
1969	964
1970	694
1971	660
1972	1,001
1973	674
1974	719
1975	646
1976	748
1977	656
1978	1,349
1979	830
1980	959
1981	713
1982	1,565
1983	2,576
1984	2,687
1985	551
1986	752
1987	1,484
1988	1,082
1989	633
1990	1,861
1991	630
1992	1,099
1993	905
1994	965
1995	1,202
1996	2,213
1997	1,114
1998	783
1999	1,207
2000	1,677
2001	599
2002	959
2003	951
2004	909
2005	858
2006	1,219
2007	1,046
2008	753
2009	1,027
2010	1,308
2011	748
2012	805
2013	714
2014	506
2015	1,440
2016	620
2017	1,559
2018	440
2019	1,471
2020	504
2021	1,098
2022	516
2023	900
2024	931
2025	637

Download the Data

Data for records on 2017-12-29: 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 2026-10-16 (16 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 100	1,291
100 to 200	7
200 to 300	0
300 to 400	1
400 to 500	1