Weather Records on 31 August 1915

71 weather records were set or tied worldwide on 31 August 1915. Highest significance: Gotska Sandon, SE.

Key Facts for 31 August 1915

On 31 August 1915, 71 weather records were set or tied at long-record stations worldwide.
6 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 59 daily.
Gotska Sandon set a daily record precipitation of 32.7 mm (1.3 in) on 31 August 1915.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 438 records.

Record Map

71 stations

71 station records on 31 August 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gotska Sandon	Sweden	Record daily precipitation	32.7 mm (1.3 in)	45 of 100 (Notable)
Stockholm	Sweden	Record daily precipitation	33.7 mm (1.3 in)	38 of 100 (Notable)
Windsor Riverside	Canada	Record low maximum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Svenska Hogarna	Sweden	Record daily precipitation	29.7 mm (1.2 in)	31 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	27.3 mm (1.1 in)	29 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	1.7 C (35.1 F)	25 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)
London South	Canada	Record low minimum temperature	1.7 C (35.1 F)	23 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	11.5 C (52.7 F)	22 of 100 (Routine)
Lindsay	Canada	Record low minimum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	21.7 C (71.1 F)	21 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	23.3 mm (0.9 in)	20 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	5.8 C (42.4 F)	20 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record high maximum temperature	34.0 C (93.2 F)	19 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	5.7 mm (0.22 in)	19 of 100 (Routine)
Little Rock St Capitol	United States	Record low minimum temperature	12.2 C (54.0 F)	19 of 100 (Routine)
Southampton	Canada	Record low minimum temperature	3.9 C (39.0 F)	18 of 100 (Routine)
Buffalo	United States	Record low minimum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Kingston Queens U	Canada	Record low minimum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	3.9 C (39.0 F)	16 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	0.4 C (32.7 F)	15 of 100 (Routine)
Kremsmuenster	Austria	Record low maximum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Port Arthur	Canada	Record low maximum temperature	12.8 C (55.0 F)	15 of 100 (Routine)
Parry Sound	Canada	Record low minimum temperature	2.8 C (37.0 F)	15 of 100 (Routine)
Morgantown 1	United States	Record low minimum temperature	7.8 C (46.0 F)	15 of 100 (Routine)
Madison Wb City	United States	Record low minimum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	9.2 mm (0.36 in)	14 of 100 (Routine)
Gravenhurst	Canada	Record low minimum temperature	0.0 C (32.0 F)	14 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	0.3 mm (0.01 in)	14 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	34.4 C (93.9 F)	13 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high maximum temperature	33.9 C (93.0 F)	13 of 100 (Routine)
Dubuque River	United States	Record low minimum temperature	7.2 C (45.0 F)	13 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	0.0 C (32.0 F)	12 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Hohenpeissenberg	Germany	Record low minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Gorlitz	Germany	Record low maximum temperature	13.0 C (55.4 F)	11 of 100 (Routine)
Regensburg	Germany	Record low maximum temperature	14.3 C (57.7 F)	11 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	19.4 C (66.9 F)	11 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	32.2 C (90.0 F)	10 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	15.5 C (59.9 F)	10 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	23.9 mm (0.9 in)	10 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	10.6 mm (0.4 in)	9 of 100 (Routine)
Burlington	United States	Record low maximum temperature	15.6 C (60.1 F)	9 of 100 (Routine)
Elliston	Australia	Record daily precipitation	11.2 mm (0.4 in)	8 of 100 (Routine)
Ottawa	Canada	Record low minimum temperature	5.0 C (41.0 F)	8 of 100 (Routine)
Stonecliffe	Canada	Record low maximum temperature	14.4 C (57.9 F)	8 of 100 (Routine)
Toronto	Canada	Record low minimum temperature	4.4 C (39.9 F)	8 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low maximum temperature	12.5 C (54.5 F)	8 of 100 (Routine)
Barrie	Canada	Record low minimum temperature	3.3 C (37.9 F)	7 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	6.6 C (43.9 F)	7 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	16.1 C (61.0 F)	7 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	16.1 C (61.0 F)	6 of 100 (Routine)
Owen Sound	Canada	Record low minimum temperature	2.8 C (37.0 F)	6 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	16.1 C (61.0 F)	6 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	16.7 C (62.1 F)	5 of 100 (Routine)
Chemnitz	Germany	Record low maximum temperature	14.0 C (57.2 F)	5 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	21.7 C (71.1 F)	5 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 31 August 1915 by type: Highest daily maximum 4, Lowest daily maximum 22, Highest daily minimum 2, Lowest daily minimum 32, Heaviest daily rainfall 11.

Records on 31 August 1915 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	22
Highest daily minimum	2
Lowest daily minimum	32
Heaviest daily rainfall	11
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 August 1915 by timescale: all-time 0, monthly 12, daily 59.

How Much Records Were Beaten By

57 broken records

Margins by which the 57 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 19.9. Ties are not counted.

Top 20 by Significance

31 August 1915

Top 20 records on 31 August 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1915	Gotska Sandon, SE	daily rain	32.7 mm (1.3 in)	19.9 mm (0.8 in)	29 years	45 of 100 (Notable)
31 August 1915	Stockholm, SE	daily rain	33.7 mm (1.3 in)	14.2 mm (0.6 in)	40 years	38 of 100 (Notable)
31 August 1915	Windsor Riverside, CA	monthly low max	13.9 C (57.0 F)	2.8 C (5.0 F)	49 years	36 of 100 (Notable)
31 August 1915	Svenska Hogarna, SE	daily rain	29.7 mm (1.2 in)	14.8 mm (0.6 in)	29 years	31 of 100 (Routine)
31 August 1915	Lexington Bluegrass AP, US	monthly low min	7.8 C (46.0 F)	2.8 C (5.0 F)	25 years	31 of 100 (Routine)
31 August 1915	Tallinn, EE	daily rain	27.3 mm (1.1 in)	7.9 mm (0.31 in)	38 years	29 of 100 (Routine)
31 August 1915	Stratford, CA	daily low min	1.7 C (35.1 F)	2.7 C (4.9 F)	47 years	25 of 100 (Routine)
31 August 1915	Cleveland 2717 Euclid, US	monthly low max	15.0 C (59.0 F)	0.6 C (1.1 F)	30 years	24 of 100 (Routine)
31 August 1915	Port Stanley, CA	monthly low min	2.8 C (37.0 F)	0.5 C (0.9 F)	27 years	23 of 100 (Routine)
31 August 1915	London South, CA	monthly low min	1.7 C (35.1 F)	1.1 C (2.0 F)	28 years	23 of 100 (Routine)
31 August 1915	Stockholm, SE	monthly low max	11.5 C (52.7 F)	0.3 C (0.5 F)	30 years	22 of 100 (Routine)
31 August 1915	Lindsay, CA	daily low min	2.2 C (36.0 F)	3.9 C (7.0 F)	31 years	21 of 100 (Routine)
31 August 1915	Little Rock St Capitol, US	daily low max	21.7 C (71.1 F)	3.9 C (7.0 F)	22 years	21 of 100 (Routine)
31 August 1915	Arhangelsk, RU	daily rain	23.3 mm (0.9 in)	13.3 mm (0.5 in)	32 years	20 of 100 (Routine)
31 August 1915	Freiburg, DE	monthly low min	5.8 C (42.4 F)	0.5 C (0.9 F)	22 years	20 of 100 (Routine)
31 August 1915	Oran-Hopital Militaire, DZ	daily high max	34.0 C (93.2 F)	2.0 C (3.6 F)	21 years	19 of 100 (Routine)
31 August 1915	Sevastopol',Mgs, UA	daily rain	5.7 mm (0.22 in)	5.7 mm (0.22 in)	33 years	19 of 100 (Routine)
31 August 1915	Little Rock St Capitol, US	daily low min	12.2 C (54.0 F)	2.2 C (4.0 F)	23 years	19 of 100 (Routine)
31 August 1915	Southampton, CA	daily low min	3.9 C (39.0 F)	2.8 C (5.0 F)	24 years	18 of 100 (Routine)
31 August 1915	Buffalo, US	daily low min	7.8 C (46.0 F)	2.2 C (4.0 F)	24 years	17 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

1796 to 1915

Records set or tied on this calendar date in each year from 1796 to 1915. 1915 had 71 records.

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

Records on 08-31 in each year
Year	Records
1796	1
1806	1
1807	2
1813	1
1814	1
1816	1
1827	1
1836	1
1846	1
1849	1
1851	1
1856	2
1858	1
1859	1
1860	1
1861	1
1863	1
1867	1
1869	1
1873	1
1875	1
1876	1
1877	2
1879	2
1881	3
1882	2
1885	1
1886	5
1887	1
1889	1
1890	2
1892	3
1893	1
1894	1
1895	1
1896	1
1897	5
1898	10
1899	4
1900	3
1901	5
1902	5
1903	16
1904	13
1905	8
1906	47
1907	6
1908	12
1909	39
1910	20
1911	31
1912	34
1913	40
1914	23
1915	71
1916	7
1917	60
1918	58
1919	25
1920	46
1921	86
1922	58
1923	63
1924	232
1925	111
1926	148
1927	103
1928	201
1929	300
1930	243
1931	192
1932	807
1933	424
1934	381
1935	540
1936	226
1937	508
1938	324
1939	296
1940	400
1941	528
1942	422
1943	650
1944	638
1945	572
1946	545
1947	473
1948	367
1949	409
1950	662
1951	910
1952	388
1953	1,054
1954	633
1955	539
1956	734
1957	317
1958	417
1959	496
1960	366
1961	625
1962	432
1963	415
1964	591
1965	886
1966	830
1967	952
1968	562
1969	474
1970	558
1971	326
1972	287
1973	793
1974	587
1975	658
1976	732
1977	621
1978	891
1979	400
1980	701
1981	692
1982	586
1983	788
1984	866
1985	854
1986	1,218
1987	836
1988	570
1989	622
1990	966
1991	848
1992	1,274
1993	1,286
1994	1,139
1995	1,077
1996	1,451
1997	943
1998	1,163
1999	988
2000	1,545
2001	944
2002	852
2003	1,232
2004	963
2005	1,782
2006	1,147
2007	1,110
2008	870
2009	1,224
2010	1,490
2011	994
2012	932
2013	771
2014	458
2015	1,074
2016	599
2017	596
2018	366
2019	781
2020	737
2021	553
2022	1,191
2023	600
2024	766
2025	307
2026	595

Download the Data

Data for records on 1915-08-31: 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	41
3 to 5	10
5 to 8	1
8 to 10	1
10 to 13	0
13 to 15	3
15 to 18	0
18 to 20	1