Weather Records on 27 December 1977

815 weather records were set or tied worldwide on 27 December 1977. Highest significance: Irece, BR.

Key Facts for 27 December 1977

On 27 December 1977, 815 weather records were set or tied at long-record stations worldwide.
160 were record highs and 374 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 793 daily.
Irece set an all-time record daily precipitation of 194.1 mm (7.6 in) on 27 December 1977.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 537 records.

Record Map

815 stations

815 station records on 27 December 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 December 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Irece	Brazil	Record daily precipitation	194.1 mm (7.6 in)	68 of 100 (Major)
Nagambie Cba	Australia	Record daily precipitation	32.0 mm (1.3 in)	61 of 100 (Major)
Wialki	Australia	Record daily precipitation	29.2 mm (1.1 in)	57 of 100 (Notable)
Ibitiara (Bom Sucesso)	Brazil	Record daily precipitation	135.0 mm (5.3 in)	53 of 100 (Notable)
Serrinha	Brazil	Record daily precipitation	100.0 mm (3.9 in)	49 of 100 (Notable)
Bowman	United States	Record snow depth	58.4 cm (23.0 in)	48 of 100 (Notable)
List/Sylt	Germany	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Porto	Brazil	Record daily precipitation	117.0 mm (4.6 in)	45 of 100 (Notable)
Jacobina	Brazil	Record daily precipitation	131.0 mm (5.2 in)	44 of 100 (Notable)
Puerto Madero	Mexico	Record low minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Fagerhult_D	Sweden	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Mandan Exp STN	United States	Record snow depth	45.7 cm (18.0 in)	43 of 100 (Notable)
Saude	Brazil	Record daily precipitation	88.4 mm (3.5 in)	41 of 100 (Notable)
Lencois	Brazil	Record daily precipitation	83.0 mm (3.3 in)	41 of 100 (Notable)
Backefors	Sweden	Record daily precipitation	42.8 mm (1.7 in)	40 of 100 (Notable)
Nome AP	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Postmyr I Drangedal	Norway	Record daily precipitation	30.8 mm (1.2 in)	38 of 100 (Notable)
Angiola	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Fredonia	United States	Record snow depth	53.3 cm (21.0 in)	38 of 100 (Notable)
Eureka	United States	Record snow depth	45.7 cm (18.0 in)	38 of 100 (Notable)
Bloomfield	Canada	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Bloomfield	Canada	Record daily snowfall	25.4 cm (10.0 in)	37 of 100 (Notable)
Auburn 2 SSE	United States	Record low maximum temperature	-8.9 C (16.0 F)	36 of 100 (Notable)
Bolivar	United States	Record low maximum temperature	-10.6 C (12.9 F)	36 of 100 (Notable)
Bradford	Australia	Record daily precipitation	26.6 mm (1.0 in)	35 of 100 (Notable)
Willcox	United States	Record high minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Covington 8 WNW	United States	Record low minimum temperature	-5.6 C (21.9 F)	33 of 100 (Routine)
Solon Springs	United States	Record low maximum temperature	-17.8 C (0.0 F)	33 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Minden	United States	Record low minimum temperature	-7.2 C (19.0 F)	32 of 100 (Routine)
Mauston 1 SE	United States	Record low maximum temperature	-12.8 C (9.0 F)	32 of 100 (Routine)
Santa Barbara Muni AP	United States	Record daily precipitation	58.7 mm (2.3 in)	32 of 100 (Routine)
Calvillo (Smn)	Mexico	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Mt Hebron Rs	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Ojai	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Forman 5 SSE	United States	Record low maximum temperature	-18.3 C (-0.9 F)	31 of 100 (Routine)
Hatteras	United States	Record low maximum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Koster (Pol)	South Africa	Record daily precipitation	69.0 mm (2.7 in)	30 of 100 (Routine)
Evergreen	United States	Record low minimum temperature	-6.1 C (21.0 F)	30 of 100 (Routine)
Hetch Hetchy	United States	Record high minimum temperature	6.7 C (44.1 F)	30 of 100 (Routine)
Waynesboro 2 S	United States	Record low minimum temperature	-8.3 C (17.1 F)	30 of 100 (Routine)
Marathon	United States	Record high minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Barro Vermelho (Ibipitanga)	Brazil	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Atyrau	Kazakhstan	Record high minimum temperature	0.4 C (32.7 F)	29 of 100 (Routine)
Santa Cruz	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Eau Claire 4 NE	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Paisley	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Allakaket	United States	Record high minimum temperature	-9.4 C (15.1 F)	29 of 100 (Routine)
Coalinga	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Escondido	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Watsonville Wtr Wks	United States	Record high minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Caledonia	United States	Record low minimum temperature	-27.2 C (-17.0 F)	28 of 100 (Routine)
Keno	United States	Record daily snowfall	20.3 cm (8.0 in)	28 of 100 (Routine)
Catawba Hospital	United States	Record low maximum temperature	-5.6 C (21.9 F)	28 of 100 (Routine)
San Felipe	Mexico	Record high maximum temperature	35.6 C (96.1 F)	27 of 100 (Routine)
Oshkosh	United States	Record low maximum temperature	-16.7 C (1.9 F)	27 of 100 (Routine)
Tucano	Brazil	Record daily precipitation	60.0 mm (2.4 in)	26 of 100 (Routine)
Chula Vista	United States	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Wilson 3 SW	United States	Record low maximum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
W Chester 2 NW	United States	Record low minimum temperature	-14.4 C (6.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

815 records

Records set or tied on 27 December 1977 by type: Highest daily maximum 47, Lowest daily maximum 249, Highest daily minimum 113, Lowest daily minimum 125, Heaviest daily rainfall 251, Heaviest daily snowfall 18, Deepest snow cover 12.

Records on 27 December 1977 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	249
Highest daily minimum	113
Lowest daily minimum	125
Heaviest daily rainfall	251
Heaviest daily snowfall	18
Deepest snow cover	12

Records on 27 December 1977 by timescale: all-time 2, monthly 20, daily 793.

How Much Records Were Beaten By

642 broken records

Margins by which the 642 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

27 December 1977

Top 20 records on 27 December 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 December 1977	Irece, BR	all-time rain	194.1 mm (7.6 in)	82.0 mm (3.2 in)	16 years	68 of 100 (Major)
27 December 1977	Nagambie Cba, AU	daily rain	32.0 mm (1.3 in)	20.6 mm (0.8 in)	83 years	61 of 100 (Major)
27 December 1977	Wialki, AU	daily rain	29.2 mm (1.1 in)	29.2 mm (1.1 in)	46 years	57 of 100 (Notable)
27 December 1977	Ibitiara (Bom Sucesso), BR	daily rain	135.0 mm (5.3 in)	99.0 mm (3.9 in)	32 years	53 of 100 (Notable)
27 December 1977	Serrinha, BR	daily rain	100.0 mm (3.9 in)	72.5 mm (2.9 in)	27 years	49 of 100 (Notable)
27 December 1977	Bowman, US	daily snow depth	58.4 cm (23.0 in)	33.0 cm (13.0 in)	8 years	48 of 100 (Notable)
27 December 1977	List/Sylt, DE	daily rain	25.0 mm (1.0 in)	16.0 mm (0.6 in)	10 years	47 of 100 (Notable)
27 December 1977	Porto, BR	daily rain	117.0 mm (4.6 in)	83.5 mm (3.3 in)	8 years	45 of 100 (Notable)
27 December 1977	Jacobina, BR	daily rain	131.0 mm (5.2 in)	67.6 mm (2.7 in)	8 years	44 of 100 (Notable)
27 December 1977	Puerto Madero, MX	daily low min	10.0 C (50.0 F)	6.1 C (11.0 F)	22 years	43 of 100 (Notable)
27 December 1977	Fagerhult_D, SE	daily rain	26.4 mm (1.0 in)	15.6 mm (0.6 in)	0 years	43 of 100 (Notable)
27 December 1977	Mandan Exp STN, US	daily snow depth	45.7 cm (18.0 in)	22.8 cm (9.0 in)	8 years	43 of 100 (Notable)
27 December 1977	Saude, BR	daily rain	88.4 mm (3.5 in)	52.4 mm (2.1 in)	35 years	41 of 100 (Notable)
27 December 1977	Lencois, BR	daily rain	83.0 mm (3.3 in)	37.9 mm (1.5 in)	50 years	41 of 100 (Notable)
27 December 1977	Backefors, SE	monthly rain	42.8 mm (1.7 in)	13.0 mm (0.5 in)	13 years	40 of 100 (Notable)
27 December 1977	Nome AP, US	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	62 years	40 of 100 (Notable)
27 December 1977	Postmyr I Drangedal, NO	daily rain	30.8 mm (1.2 in)	5.8 mm (0.23 in)	76 years	38 of 100 (Notable)
27 December 1977	Angiola, US	daily rain	36.8 mm (1.4 in)	20.0 mm (0.8 in)	6 years	38 of 100 (Notable)
27 December 1977	Fredonia, US	daily snow depth	53.3 cm (21.0 in)	17.7 cm (7.0 in)	52 years	38 of 100 (Notable)
27 December 1977	Eureka, US	daily snow depth	45.7 cm (18.0 in)	15.2 cm (6.0 in)	30 years	38 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 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 815 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 1977-12-27: 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).

Margin	Records
0 to 50	623
50 to 100	13
100 to 150	1
150 to 200	3
200 to 250	1
250 to 300	0
300 to 350	1