Weather Records on 27 December 1969

778 weather records were set or tied worldwide on 27 December 1969. Highest significance: Blue Hill Coop, US.

Key Facts for 27 December 1969

On 27 December 1969, 778 weather records were set or tied at long-record stations worldwide.
55 were record highs and 74 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 83 monthly and 688 daily.
Blue Hill Coop set a monthly record daily precipitation of 133.4 mm (5.3 in) on 27 December 1969.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 538 records.

Record Map

778 stations

778 station records on 27 December 1969 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 December 1969: highest significance records shown on the map
Station	Country	Type	Value	Significance
Blue Hill Coop	United States	Record daily precipitation	133.4 mm (5.3 in)	82 of 100 (Exceptional)
Barrage Gouin	Canada	Record daily snowfall	66.0 cm (26.0 in)	81 of 100 (Exceptional)
Mansfield	United States	Record daily precipitation	118.6 mm (4.7 in)	79 of 100 (Major)
Elmira	United States	Record snow depth	68.6 cm (27.0 in)	72 of 100 (Major)
Bethlehem	United States	Record daily precipitation	63.0 mm (2.5 in)	69 of 100 (Major)
Salisbury	United States	Record daily snowfall	35.6 cm (14.0 in)	68 of 100 (Major)
Cortland	United States	Record daily snowfall	30.5 cm (12.0 in)	67 of 100 (Major)
Nashua 2 NNW	United States	Record daily precipitation	103.9 mm (4.1 in)	66 of 100 (Major)
Chelsea	United States	Record daily precipitation	56.1 mm (2.2 in)	66 of 100 (Major)
Barrage Gouin	Canada	Record daily precipitation	66.0 mm (2.6 in)	64 of 100 (Major)
Shawinigan	Canada	Record daily snowfall	40.6 cm (16.0 in)	63 of 100 (Major)
Chestnut Hill	United States	Record daily precipitation	134.6 mm (5.3 in)	61 of 100 (Major)
Farmington	United States	Record daily precipitation	100.8 mm (4.0 in)	60 of 100 (Major)
Groton	United States	Record daily precipitation	82.8 mm (3.3 in)	60 of 100 (Major)
De Ruyter 4 N	United States	Record daily snowfall	43.2 cm (17.0 in)	60 of 100 (Major)
Gann Valley 4NW	United States	Record daily snowfall	12.7 cm (5.0 in)	60 of 100 (Major)
Saint Johnsbury	United States	Record daily precipitation	44.5 mm (1.8 in)	60 of 100 (Major)
Hyannis	United States	Record daily precipitation	83.8 mm (3.3 in)	59 of 100 (Notable)
Grafton	United States	Record daily precipitation	84.1 mm (3.3 in)	59 of 100 (Notable)
Manchester	United States	Record daily precipitation	82.8 mm (3.3 in)	59 of 100 (Notable)
Renovo	United States	Record daily snowfall	40.6 cm (16.0 in)	59 of 100 (Notable)
Madison	United States	Record daily precipitation	68.8 mm (2.7 in)	58 of 100 (Notable)
West Stewartstown	United States	Record daily precipitation	33.0 mm (1.3 in)	58 of 100 (Notable)
Shawinigan	Canada	Record daily precipitation	40.6 mm (1.6 in)	57 of 100 (Notable)
Mvenyane	South Africa	Record daily precipitation	70.0 mm (2.8 in)	57 of 100 (Notable)
Norwich	United States	Record daily snowfall	38.1 cm (15.0 in)	57 of 100 (Notable)
Highmore	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Les Cedres	Canada	Record daily precipitation	40.6 mm (1.6 in)	56 of 100 (Notable)
Durham	United States	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Hettinger	United States	Record daily snowfall	10.2 cm (4.0 in)	56 of 100 (Notable)
La Tuque	Canada	Record daily snowfall	36.8 cm (14.5 in)	54 of 100 (Notable)
Errol	United States	Record daily precipitation	97.8 mm (3.9 in)	54 of 100 (Notable)
Stillwater Rsvr	United States	Record daily snowfall	40.6 cm (16.0 in)	54 of 100 (Notable)
Rochester	United States	Record daily precipitation	62.0 mm (2.4 in)	54 of 100 (Notable)
Nominingue	Canada	Record daily snowfall	31.8 cm (12.5 in)	53 of 100 (Notable)
Pinkham Notch	United States	Record daily snowfall	63.5 cm (25.0 in)	53 of 100 (Notable)
Chasm Falls	United States	Record daily snowfall	30.5 cm (12.0 in)	53 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record snow depth	10.2 cm (4.0 in)	53 of 100 (Notable)
Huberdeau	Canada	Record daily snowfall	30.5 cm (12.0 in)	52 of 100 (Notable)
La Tuque	Canada	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Gardiner	United States	Record daily precipitation	109.2 mm (4.3 in)	52 of 100 (Notable)
Orono	United States	Record daily precipitation	46.7 mm (1.8 in)	52 of 100 (Notable)
Framingham	United States	Record daily precipitation	96.0 mm (3.8 in)	52 of 100 (Notable)
Ogdensburg 4 NE	United States	Record snow depth	30.5 cm (12.0 in)	52 of 100 (Notable)
Woodstock	United States	Record daily precipitation	61.2 mm (2.4 in)	52 of 100 (Notable)
Farnham	Canada	Record daily snowfall	31.2 cm (12.3 in)	51 of 100 (Notable)
Milford	United States	Record daily precipitation	82.8 mm (3.3 in)	51 of 100 (Notable)
Forsyth 2 E	United States	Record daily snowfall	17.8 cm (7.0 in)	51 of 100 (Notable)
Wanakena Rngr School	United States	Record daily snowfall	33.0 cm (13.0 in)	51 of 100 (Notable)
Magdeburg	Germany	Record snow depth	21.0 cm (8.3 in)	50 of 100 (Notable)
Lake Placid 2 S	United States	Record daily snowfall	33.0 cm (13.0 in)	50 of 100 (Notable)
Roxbury	United States	Record daily snowfall	22.9 cm (9.0 in)	50 of 100 (Notable)
Menno	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Lancaster	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Newport	United States	Record daily precipitation	82.6 mm (3.3 in)	49 of 100 (Notable)
Gloversville	United States	Record daily snowfall	35.6 cm (14.0 in)	49 of 100 (Notable)
Towanda 1 S	United States	Record snow depth	61.0 cm (24.0 in)	49 of 100 (Notable)
Nominingue	Canada	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Greenville Muni AP	United States	Record daily precipitation	81.0 mm (3.2 in)	48 of 100 (Notable)
Ipswich	United States	Record daily precipitation	117.3 mm (4.6 in)	48 of 100 (Notable)

Counts by Type and Timescale

778 records

Records set or tied on 27 December 1969 by type: Highest daily maximum 41, Lowest daily maximum 37, Highest daily minimum 14, Lowest daily minimum 37, Heaviest daily rainfall 297, Heaviest daily snowfall 231, Deepest snow cover 121.

Records on 27 December 1969 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	37
Highest daily minimum	14
Lowest daily minimum	37
Heaviest daily rainfall	297
Heaviest daily snowfall	231
Deepest snow cover	121

Records on 27 December 1969 by timescale: all-time 7, monthly 83, daily 688.

How Much Records Were Beaten By

647 broken records

Margins by which the 647 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 444.0. Ties are not counted.

Top 20 by Significance

27 December 1969

Top 20 records on 27 December 1969 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 December 1969	Blue Hill Coop, US	monthly rain	133.4 mm (5.3 in)	56.4 mm (2.2 in)	81 years	82 of 100 (Exceptional)
27 December 1969	Barrage Gouin, CA	all-time snowfall	66.0 cm (26.0 in)	27.9 cm (11.0 in)	53 years	81 of 100 (Exceptional)
27 December 1969	Mansfield, US	monthly rain	118.6 mm (4.7 in)	53.1 mm (2.1 in)	74 years	79 of 100 (Major)
27 December 1969	Elmira, US	monthly snow depth	68.6 cm (27.0 in)	30.5 cm (12.0 in)	52 years	72 of 100 (Major)
27 December 1969	Bethlehem, US	daily rain	63.0 mm (2.5 in)	47.5 mm (1.9 in)	74 years	69 of 100 (Major)
27 December 1969	Salisbury, US	daily snowfall	35.6 cm (14.0 in)	25.4 cm (10.0 in)	70 years	68 of 100 (Major)
27 December 1969	Cortland, US	daily snowfall	30.5 cm (12.0 in)	20.8 cm (8.2 in)	68 years	67 of 100 (Major)
27 December 1969	Nashua 2 NNW, US	monthly rain	103.9 mm (4.1 in)	46.2 mm (1.8 in)	27 years	66 of 100 (Major)
27 December 1969	Chelsea, US	daily rain	56.1 mm (2.2 in)	35.8 mm (1.4 in)	64 years	66 of 100 (Major)
27 December 1969	Barrage Gouin, CA	monthly rain	66.0 mm (2.6 in)	28.7 mm (1.1 in)	32 years	64 of 100 (Major)
27 December 1969	Shawinigan, CA	daily snowfall	40.6 cm (16.0 in)	22.8 cm (9.0 in)	67 years	63 of 100 (Major)
27 December 1969	Chestnut Hill, US	monthly rain	134.6 mm (5.3 in)	59.2 mm (2.3 in)	15 years	61 of 100 (Major)
27 December 1969	Farmington, US	monthly rain	100.8 mm (4.0 in)	25.9 mm (1.0 in)	68 years	60 of 100 (Major)
27 December 1969	Groton, US	monthly rain	82.8 mm (3.3 in)	24.4 mm (1.0 in)	76 years	60 of 100 (Major)
27 December 1969	De Ruyter 4 N, US	daily snowfall	43.2 cm (17.0 in)	31.8 cm (12.5 in)	48 years	60 of 100 (Major)
27 December 1969	Gann Valley 4NW, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	71 years	60 of 100 (Major)
27 December 1969	Saint Johnsbury, US	daily rain	44.5 mm (1.8 in)	23.2 mm (0.9 in)	64 years	60 of 100 (Major)
27 December 1969	Hyannis, US	monthly rain	83.8 mm (3.3 in)	21.8 mm (0.9 in)	74 years	59 of 100 (Notable)
27 December 1969	Grafton, US	monthly rain	84.1 mm (3.3 in)	32.0 mm (1.3 in)	28 years	59 of 100 (Notable)
27 December 1969	Manchester, US	monthly rain	82.8 mm (3.3 in)	18.0 mm (0.7 in)	81 years	59 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

1793 to 1969

Records set or tied on this calendar date in each year from 1793 to 1969. 1969 had 778 records.

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

Records on 12-27 in each year
Year	Records
1793	2
1798	2
1810	1
1839	2
1845	1
1849	1
1860	2
1862	1
1868	1
1869	1
1872	3
1875	1
1876	2
1881	1
1882	2
1886	1
1889	3
1890	1
1891	2
1892	4
1894	6
1896	5
1897	6
1898	5
1899	3
1900	4
1901	4
1902	6
1903	12
1904	21
1905	9
1906	8
1907	38
1908	3
1909	25
1910	13
1911	12
1912	51
1913	24
1914	44
1915	42
1916	43
1917	67
1918	42
1919	188
1920	148
1921	336
1922	37
1923	292
1924	340
1925	509
1926	208
1927	175
1928	282
1929	394
1930	142
1931	314
1932	219
1933	474
1934	199
1935	706
1936	972
1937	241
1938	396
1939	429
1940	526
1941	204
1942	880
1943	246
1944	274
1945	406
1946	878
1947	356
1948	445
1949	730
1950	481
1951	266
1952	118
1953	241
1954	511
1955	533
1956	628
1957	316
1958	425
1959	1,114
1960	385
1961	217
1962	490
1963	243
1964	897
1965	473
1966	715
1967	817
1968	993
1969	778
1970	352
1971	1,207
1972	401
1973	819
1974	782
1975	622
1976	613
1977	815
1978	775
1979	578
1980	1,778
1981	832
1982	1,449
1983	2,382
1984	814
1985	821
1986	484
1987	2,166
1988	1,855
1989	925
1990	880
1991	477
1992	500
1993	1,329
1994	1,122
1995	1,317
1996	1,758
1997	850
1998	924
1999	867
2000	1,392
2001	642
2002	944
2003	1,242
2004	853
2005	913
2006	965
2007	838
2008	1,708
2009	1,005
2010	1,851
2011	1,094
2012	1,118
2013	506
2014	482
2015	2,877
2016	884
2017	1,415
2018	1,039
2019	558
2020	402
2021	1,532
2022	1,025
2023	750
2024	680
2025	1,100

Download the Data

Data for records on 1969-12-27: 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).

Histogram of margins by which records were beaten on 27 December 1969
Margin	Records
0 to 100	557
100 to 200	72
200 to 300	14
300 to 400	3
400 to 500	1