Weather Records on 27 October 1918

77 weather records were set or tied worldwide on 27 October 1918. Highest significance: Robe Comparison, AU.

Key Facts for 27 October 1918

On 27 October 1918, 77 weather records were set or tied at long-record stations worldwide.
43 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 75 daily.
Robe Comparison set a daily record precipitation of 30.5 mm (1.2 in) on 27 October 1918.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 481 records.

Record Map

77 stations

77 station records on 27 October 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Robe Comparison	Australia	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Dubuque River	United States	Record daily precipitation	37.1 mm (1.5 in)	50 of 100 (Notable)
Green Bay	United States	Record daily precipitation	39.6 mm (1.6 in)	48 of 100 (Notable)
Madison Wb City	United States	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Mortlake	Australia	Record daily precipitation	25.9 mm (1.0 in)	36 of 100 (Notable)
Escanaba	United States	Record daily precipitation	36.6 mm (1.4 in)	27 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low maximum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Malvern	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Hawkesdale (Post Office)	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Nelson	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Penshurst (Post Office)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Portland	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Ekaterinburg	Russia	Record daily precipitation	4.2 mm (0.17 in)	20 of 100 (Routine)
Woolsthorpe	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-8.9 C (16.0 F)	20 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Camden 1	United States	Record daily precipitation	76.7 mm (3.0 in)	19 of 100 (Routine)
Astoria	United States	Record daily precipitation	44.5 mm (1.8 in)	19 of 100 (Routine)
Northfield	United States	Record high minimum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	7.2 C (45.0 F)	18 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	5.6 C (42.1 F)	16 of 100 (Routine)
Milwaukee Wb City	United States	Record daily precipitation	24.1 mm (0.9 in)	16 of 100 (Routine)
Newport	United States	Record daily precipitation	50.8 mm (2.0 in)	15 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record high maximum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Morgantown 1	United States	Record high minimum temperature	16.7 C (62.1 F)	15 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	9.4 C (48.9 F)	14 of 100 (Routine)
Huron Rgnl AP	United States	Record low maximum temperature	1.1 C (34.0 F)	14 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	16.3 mm (0.6 in)	14 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	17.8 mm (0.7 in)	13 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	10.2 mm (0.4 in)	13 of 100 (Routine)
Port Fairy (Griffiths Island)	Australia	Record daily precipitation	16.0 mm (0.6 in)	13 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Storrs	United States	Record high maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Beachport	Australia	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
Port Stanley	Canada	Record high minimum temperature	11.1 C (52.0 F)	12 of 100 (Routine)
Concord	United States	Record high minimum temperature	12.2 C (54.0 F)	12 of 100 (Routine)
Buffalo	United States	Record high minimum temperature	13.9 C (57.0 F)	12 of 100 (Routine)
Welland	Canada	Record high maximum temperature	21.7 C (71.1 F)	11 of 100 (Routine)
Woodstock	Canada	Record high maximum temperature	18.9 C (66.0 F)	11 of 100 (Routine)
Vineland	United States	Record high maximum temperature	26.1 C (79.0 F)	11 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	21.1 C (70.0 F)	11 of 100 (Routine)
State College	United States	Record high minimum temperature	14.4 C (57.9 F)	11 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	27.4 mm (1.1 in)	11 of 100 (Routine)
Merino (Glenorchy Estate)	Australia	Record daily precipitation	22.1 mm (0.9 in)	10 of 100 (Routine)
Macarthur (Glenhuntly)	Australia	Record daily precipitation	16.5 mm (0.6 in)	10 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	20.0 C (68.0 F)	10 of 100 (Routine)
Harrisburg - Coop	United States	Record high minimum temperature	16.1 C (61.0 F)	10 of 100 (Routine)
Burlington	United States	Record high maximum temperature	20.0 C (68.0 F)	10 of 100 (Routine)
White River	Canada	Record daily precipitation	5.6 mm (0.22 in)	9 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	8.9 C (48.0 F)	9 of 100 (Routine)
Alton	Canada	Record high minimum temperature	10.0 C (50.0 F)	9 of 100 (Routine)
Alma	United States	Record high minimum temperature	9.4 C (48.9 F)	9 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	13.9 C (57.0 F)	9 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low maximum temperature	2.8 C (37.0 F)	9 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	17.2 C (63.0 F)	9 of 100 (Routine)

Counts by Type and Timescale

77 records

Records set or tied on 27 October 1918 by type: Highest daily maximum 15, Lowest daily maximum 4, Highest daily minimum 28, Lowest daily minimum 1, Heaviest daily rainfall 29.

Records on 27 October 1918 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	4
Highest daily minimum	28
Lowest daily minimum	1
Heaviest daily rainfall	29
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 October 1918 by timescale: all-time 0, monthly 2, daily 75.

How Much Records Were Beaten By

69 broken records

Margins by which the 69 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.2. Ties are not counted.

Top 20 by Significance

27 October 1918

Top 20 records on 27 October 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 1918	Robe Comparison, AU	daily rain	30.5 mm (1.2 in)	14.2 mm (0.6 in)	47 years	53 of 100 (Notable)
27 October 1918	Dubuque River, US	daily rain	37.1 mm (1.5 in)	30.7 mm (1.2 in)	40 years	50 of 100 (Notable)
27 October 1918	Green Bay, US	daily rain	39.6 mm (1.6 in)	33.2 mm (1.3 in)	29 years	48 of 100 (Notable)
27 October 1918	Madison Wb City, US	daily rain	49.0 mm (1.9 in)	32.2 mm (1.3 in)	12 years	43 of 100 (Notable)
27 October 1918	Mortlake, AU	daily rain	25.9 mm (1.0 in)	13.7 mm (0.5 in)	30 years	36 of 100 (Notable)
27 October 1918	Escanaba, US	daily rain	36.6 mm (1.4 in)	10.7 mm (0.4 in)	41 years	27 of 100 (Routine)
27 October 1918	Cape Otway Lighthouse, AU	daily low max	12.2 C (54.0 F)	1.1 C (2.0 F)	53 years	23 of 100 (Routine)
27 October 1918	Malvern, US	daily rain	48.3 mm (1.9 in)	25.4 mm (1.0 in)	4 years	22 of 100 (Routine)
27 October 1918	Philadelphia City, US	daily high max	23.9 C (75.0 F)	2.2 C (4.0 F)	43 years	21 of 100 (Routine)
27 October 1918	Hawkesdale (Post Office), AU	daily rain	21.6 mm (0.9 in)	11.9 mm (0.5 in)	19 years	20 of 100 (Routine)
27 October 1918	Nelson, AU	daily rain	20.3 mm (0.8 in)	6.8 mm (0.27 in)	28 years	20 of 100 (Routine)
27 October 1918	Penshurst (Post Office), AU	daily rain	17.8 mm (0.7 in)	5.9 mm (0.23 in)	30 years	20 of 100 (Routine)
27 October 1918	Portland, AU	daily rain	22.1 mm (0.9 in)	8.6 mm (0.34 in)	4 years	20 of 100 (Routine)
27 October 1918	Ekaterinburg, RU	daily rain	4.2 mm (0.17 in)	2.8 mm (0.11 in)	35 years	20 of 100 (Routine)
27 October 1918	Woolsthorpe, AU	daily rain	19.1 mm (0.8 in)	6.9 mm (0.27 in)	19 years	20 of 100 (Routine)
27 October 1918	Belle Isle, CA	monthly low min	-8.9 C (16.0 F)	0.6 C (1.1 F)	18 years	20 of 100 (Routine)
27 October 1918	Milwaukee Wb City, US	daily high min	11.1 C (52.0 F)	2.2 C (4.0 F)	40 years	20 of 100 (Routine)
27 October 1918	Camden 1, US	monthly rain	76.7 mm (3.0 in)	2.0 mm (0.08 in)	17 years	19 of 100 (Routine)
27 October 1918	Astoria, US	daily rain	44.5 mm (1.8 in)	14.0 mm (0.6 in)	15 years	19 of 100 (Routine)
27 October 1918	Northfield, US	daily high min	12.2 C (54.0 F)	5.5 C (9.9 F)	18 years	19 of 100 (Routine)

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 1918

Records set or tied on this calendar date in each year from 1802 to 1918. 1918 had 77 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 1918-10-27: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	52
5 to 10	7
10 to 15	5
15 to 20	0
20 to 25	1
25 to 30	1
30 to 35	3