Weather Records on 15 October 1920

38 weather records were set or tied worldwide on 15 October 1920. Highest significance: Hambantota, LK.

Key Facts for 15 October 1920

On 15 October 1920, 38 weather records were set or tied at long-record stations worldwide.
24 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 38 daily.
Hambantota set a daily record high minimum temperature of 25.2 C (77.4 F) on 15 October 1920.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 462 records.

Record Map

38 stations

38 station records on 15 October 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hambantota	Sri Lanka	Record high minimum temperature	25.2 C (77.4 F)	26 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
Alton	Canada	Record high minimum temperature	12.2 C (54.0 F)	21 of 100 (Routine)
Lakefield	Canada	Record high maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Hermannsburg	Australia	Record daily precipitation	17.3 mm (0.7 in)	19 of 100 (Routine)
La Crosse River	United States	Record daily precipitation	33.3 mm (1.3 in)	19 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	29.4 C (84.9 F)	19 of 100 (Routine)
Normanton Post Office	Australia	Record daily precipitation	9.4 mm (0.37 in)	18 of 100 (Routine)
New Westminster	Canada	Record low maximum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Vineland	United States	Record high maximum temperature	30.0 C (86.0 F)	18 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	25.0 C (77.0 F)	17 of 100 (Routine)
Texas Station	Australia	Record daily precipitation	32.8 mm (1.3 in)	15 of 100 (Routine)
Houston Wb City	United States	Record daily precipitation	46.5 mm (1.8 in)	15 of 100 (Routine)
Gravenhurst	Canada	Record high maximum temperature	27.2 C (81.0 F)	13 of 100 (Routine)
Parry Sound	Canada	Record high maximum temperature	24.4 C (75.9 F)	13 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	26.1 C (79.0 F)	13 of 100 (Routine)
Tbilisi	Georgia	Record low minimum temperature	2.7 C (36.9 F)	13 of 100 (Routine)
Northfield	United States	Record high minimum temperature	10.6 C (51.1 F)	13 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	29.4 C (84.9 F)	13 of 100 (Routine)
White River	Canada	Record high minimum temperature	10.0 C (50.0 F)	12 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	24.4 C (75.9 F)	12 of 100 (Routine)
Barkerville	Canada	Record low maximum temperature	0.6 C (33.1 F)	11 of 100 (Routine)
Gigoomgan	Australia	Record daily precipitation	33.3 mm (1.3 in)	10 of 100 (Routine)
Washington	United States	Record high maximum temperature	29.4 C (84.9 F)	10 of 100 (Routine)
Banff	Canada	Record daily snowfall	3.0 cm (1.2 in)	9 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	10.0 C (50.0 F)	9 of 100 (Routine)
Banff	Canada	Record daily precipitation	3.0 mm (0.12 in)	8 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high maximum temperature	30.0 C (86.0 F)	8 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	23.7 C (74.7 F)	7 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	14.4 C (57.9 F)	7 of 100 (Routine)
Boulia Airport	Australia	Record low maximum temperature	25.1 C (77.2 F)	6 of 100 (Routine)
Newport	United States	Record high minimum temperature	18.3 C (64.9 F)	5 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	24.4 mm (1.0 in)	4 of 100 (Routine)
Somerville 4 NW	United States	Record high maximum temperature	29.4 C (84.9 F)	2 of 100 (Routine)
Camden 1	United States	Record daily precipitation	19.6 mm (0.8 in)	1 of 100 (Routine)
Malvern	United States	Record high minimum temperature	17.2 C (63.0 F)	1 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	16.1 C (61.0 F)	1 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	17.2 C (63.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

38 records

Records set or tied on 15 October 1920 by type: Highest daily maximum 14, Lowest daily maximum 3, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 9, Heaviest daily snowfall 1.

Records on 15 October 1920 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	3
Highest daily minimum	10
Lowest daily minimum	1
Heaviest daily rainfall	9
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 15 October 1920 by timescale: all-time 0, monthly 0, daily 38.

How Much Records Were Beaten By

32 broken records

Margins by which the 32 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 16.3. Ties are not counted.

Top 20 by Significance

15 October 1920

Top 20 records on 15 October 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1920	Hambantota, LK	daily high min	25.2 C (77.4 F)	0.7 C (1.3 F)	46 years	26 of 100 (Routine)
15 October 1920	Cape May 2 NW, US	daily high max	26.7 C (80.1 F)	2.3 C (4.1 F)	40 years	22 of 100 (Routine)
15 October 1920	Alton, CA	daily high min	12.2 C (54.0 F)	5.0 C (9.0 F)	27 years	21 of 100 (Routine)
15 October 1920	Lakefield, CA	daily high max	26.7 C (80.1 F)	5.6 C (10.1 F)	27 years	21 of 100 (Routine)
15 October 1920	Hermannsburg, AU	daily rain	17.3 mm (0.7 in)	7.9 mm (0.31 in)	14 years	19 of 100 (Routine)
15 October 1920	La Crosse River, US	daily rain	33.3 mm (1.3 in)	16.3 mm (0.6 in)	15 years	19 of 100 (Routine)
15 October 1920	Philadelphia City, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	40 years	19 of 100 (Routine)
15 October 1920	Normanton Post Office, AU	daily rain	9.4 mm (0.37 in)	8.1 mm (0.32 in)	22 years	18 of 100 (Routine)
15 October 1920	New Westminster, CA	daily low max	8.9 C (48.0 F)	1.1 C (2.0 F)	38 years	18 of 100 (Routine)
15 October 1920	Vineland, US	daily high max	30.0 C (86.0 F)	1.1 C (2.0 F)	40 years	18 of 100 (Routine)
15 October 1920	Beatrice, CA	daily high max	25.0 C (77.0 F)	1.1 C (2.0 F)	40 years	17 of 100 (Routine)
15 October 1920	Texas Station, AU	daily rain	32.8 mm (1.3 in)	9.4 mm (0.37 in)	11 years	15 of 100 (Routine)
15 October 1920	Houston Wb City, US	daily rain	46.5 mm (1.8 in)	10.7 mm (0.4 in)	29 years	15 of 100 (Routine)
15 October 1920	Gravenhurst, CA	daily high max	27.2 C (81.0 F)	2.2 C (4.0 F)	22 years	13 of 100 (Routine)
15 October 1920	Parry Sound, CA	daily high max	24.4 C (75.9 F)	1.6 C (2.9 F)	22 years	13 of 100 (Routine)
15 October 1920	Southampton, CA	daily high max	26.1 C (79.0 F)	1.7 C (3.1 F)	22 years	13 of 100 (Routine)
15 October 1920	Tbilisi, GE	daily low min	2.7 C (36.9 F)	1.5 C (2.7 F)	18 years	13 of 100 (Routine)
15 October 1920	Northfield, US	daily high min	10.6 C (51.1 F)	2.3 C (4.1 F)	22 years	13 of 100 (Routine)
15 October 1920	Baltimore Customs House, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	22 years	13 of 100 (Routine)
15 October 1920	White River, CA	daily high min	10.0 C (50.0 F)	2.8 C (5.0 F)	15 years	12 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

1794 to 1920

Records set or tied on this calendar date in each year from 1794 to 1920. 1920 had 38 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1920-10-15: 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 3	22
3 to 5	2
5 to 8	2
8 to 10	3
10 to 13	2
13 to 15	0
15 to 18	1