Weather Records on 27 October 1984

1,183 weather records were set or tied worldwide on 27 October 1984. Highest significance: Coalville, US.

Key Facts for 27 October 1984

On 27 October 1984, 1,183 weather records were set or tied at long-record stations worldwide.
676 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 1,167 daily.
Coalville set a daily record snowfall of 15.2 cm (6.0 in) on 27 October 1984.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 474 records.

Record Map

1,183 stations

1,183 station records on 27 October 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coalville	United States	Record daily snowfall	15.2 cm (6.0 in)	65 of 100 (Major)
Trout Lake	United States	Record snow depth	63.5 cm (25.0 in)	58 of 100 (Notable)
Payson	United States	Record daily snowfall	12.7 cm (5.0 in)	56 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	78.7 mm (3.1 in)	55 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Warren (Mumblebone)	Australia	Record daily precipitation	25.0 mm (1.0 in)	52 of 100 (Notable)
Lanihau 68.2	United States	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Dingwall	Australia	Record daily precipitation	48.4 mm (1.9 in)	48 of 100 (Notable)
Pitea	Sweden	Record daily precipitation	30.9 mm (1.2 in)	47 of 100 (Notable)
Nephi	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Lake Yellowstone	United States	Record daily snowfall	16.5 cm (6.5 in)	47 of 100 (Notable)
Appleton City	United States	Record high minimum temperature	20.6 C (69.1 F)	46 of 100 (Notable)
Dandaloo (Kelvin)	Australia	Record daily precipitation	27.2 mm (1.1 in)	44 of 100 (Notable)
Kellogg	United States	Record daily precipitation	30.0 mm (1.2 in)	44 of 100 (Notable)
Stillwater 2 W	United States	Record daily precipitation	64.8 mm (2.6 in)	44 of 100 (Notable)
Hatch	United States	Record low maximum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Nevertire (Beverley)	Australia	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Morgan 1 W	United States	Record high minimum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Fortine 1 N	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Harlem	United States	Record daily snowfall	8.4 cm (3.3 in)	42 of 100 (Notable)
Union City 3 SE	United States	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Mercedes	Uruguay	Record daily precipitation	83.0 mm (3.3 in)	41 of 100 (Notable)
Wallace	United States	Record daily snowfall	15.0 cm (5.9 in)	40 of 100 (Notable)
Yates Ctr	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Perry	United States	Record daily precipitation	35.6 mm (1.4 in)	40 of 100 (Notable)
Archer City 2W	United States	Record daily precipitation	81.0 mm (3.2 in)	40 of 100 (Notable)
Oklahoma Cy Will Rogers World	United States	Record daily precipitation	81.0 mm (3.2 in)	40 of 100 (Notable)
New Hampton	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Washington	United States	Record high minimum temperature	17.2 C (63.0 F)	39 of 100 (Notable)
Condobolin Retirement Village	Australia	Record daily precipitation	39.0 mm (1.5 in)	38 of 100 (Notable)
Belle Plaine	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Franklinville	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Findlay Wpcc	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Ralston	United States	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Mobile	United States	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Crested Butte	United States	Record daily snowfall	15.2 cm (6.0 in)	37 of 100 (Notable)
Geneseo	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Paris Stp	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Greencastle 1 W	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Charles City	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Horton	United States	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Fulton 3 W	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Hightstown 2 W	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Meeker 5 W	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Fort Beaufort	South Africa	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Arjeplog A	Sweden	Record snow depth	37.0 cm (14.6 in)	36 of 100 (Notable)
Grand Lake 1 NW	United States	Record daily snowfall	11.4 cm (4.5 in)	36 of 100 (Notable)
Silverton	United States	Record snow depth	33.0 cm (13.0 in)	36 of 100 (Notable)
Wallace	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Albion	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Nashville 1 E	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Olney 2S	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Sparta 1 W	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Ottawa	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Steffenville	United States	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Haugan 1 W	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Plainfield	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,183 records

Records set or tied on 27 October 1984 by type: Highest daily maximum 225, Lowest daily maximum 74, Highest daily minimum 451, Lowest daily minimum 53, Heaviest daily rainfall 231, Heaviest daily snowfall 80, Deepest snow cover 69.

Records on 27 October 1984 by type
Record type	Records
Highest daily maximum	225
Lowest daily maximum	74
Highest daily minimum	451
Lowest daily minimum	53
Heaviest daily rainfall	231
Heaviest daily snowfall	80
Deepest snow cover	69

Records on 27 October 1984 by timescale: all-time 1, monthly 15, daily 1,167.

How Much Records Were Beaten By

921 broken records

Margins by which the 921 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 October 1984

Top 20 records on 27 October 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 1984	Coalville, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	89 years	65 of 100 (Major)
27 October 1984	Trout Lake, US	daily snow depth	63.5 cm (25.0 in)	33.0 cm (13.0 in)	63 years	58 of 100 (Notable)
27 October 1984	Payson, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	78 years	56 of 100 (Notable)
27 October 1984	Guthrie 5S, US	daily rain	78.7 mm (3.1 in)	46.7 mm (1.8 in)	65 years	55 of 100 (Notable)
27 October 1984	Spanish Fk Pwr House, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	71 years	53 of 100 (Notable)
27 October 1984	Warren (Mumblebone), AU	daily rain	25.0 mm (1.0 in)	15.9 mm (0.6 in)	85 years	52 of 100 (Notable)
27 October 1984	Lanihau 68.2, US	daily rain	73.7 mm (2.9 in)	65.6 mm (2.6 in)	21 years	49 of 100 (Notable)
27 October 1984	Dingwall, AU	daily rain	48.4 mm (1.9 in)	35.7 mm (1.4 in)	30 years	48 of 100 (Notable)
27 October 1984	Pitea, SE	daily rain	30.9 mm (1.2 in)	4.9 mm (0.19 in)	93 years	47 of 100 (Notable)
27 October 1984	Nephi, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	80 years	47 of 100 (Notable)
27 October 1984	Lake Yellowstone, US	daily snowfall	16.5 cm (6.5 in)	8.9 cm (3.5 in)	67 years	47 of 100 (Notable)
27 October 1984	Appleton City, US	daily high min	20.6 C (69.1 F)	6.7 C (12.1 F)	84 years	46 of 100 (Notable)
27 October 1984	Dandaloo (Kelvin), AU	daily rain	27.2 mm (1.1 in)	8.9 mm (0.35 in)	85 years	44 of 100 (Notable)
27 October 1984	Kellogg, US	daily rain	30.0 mm (1.2 in)	14.8 mm (0.6 in)	44 years	44 of 100 (Notable)
27 October 1984	Stillwater 2 W, US	daily rain	64.8 mm (2.6 in)	29.2 mm (1.1 in)	65 years	44 of 100 (Notable)
27 October 1984	Hatch, US	daily low max	8.9 C (48.0 F)	3.3 C (5.9 F)	86 years	43 of 100 (Notable)
27 October 1984	Nevertire (Beverley), AU	daily rain	31.8 mm (1.3 in)	10.2 mm (0.4 in)	72 years	42 of 100 (Notable)
27 October 1984	Morgan 1 W, US	daily high min	20.6 C (69.1 F)	3.9 C (7.0 F)	87 years	42 of 100 (Notable)
27 October 1984	Fortine 1 N, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	67 years	42 of 100 (Notable)
27 October 1984	Harlem, US	daily snowfall	8.4 cm (3.3 in)	8.4 cm (3.3 in)	60 years	42 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

1802 to 1984

Records set or tied on this calendar date in each year from 1802 to 1984. 1984 had 1,183 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 1984-10-27: 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	867
50 to 100	37
100 to 150	9
150 to 200	7
200 to 250	0
250 to 300	0
300 to 350	1