Weather Records on 28 July 1915

36 weather records were set or tied worldwide on 28 July 1915. Highest significance: London South, CA.

Key Facts for 28 July 1915

On 28 July 1915, 36 weather records were set or tied at long-record stations worldwide.
8 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 36 daily.
London South set a daily record precipitation of 53.8 mm (2.1 in) on 28 July 1915.
Across 155 earlier years (1815 to 2026) the same calendar date averaged 475 records.

Record Map

36 stations

36 station records on 28 July 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 July 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
London South	Canada	Record daily precipitation	53.8 mm (2.1 in)	43 of 100 (Notable)
Westminster	Canada	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Vanersborg	Sweden	Record daily precipitation	26.5 mm (1.0 in)	23 of 100 (Routine)
Jonkoping	Sweden	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record daily precipitation	0.2 mm (0.01 in)	20 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	3.0 mm (0.12 in)	20 of 100 (Routine)
Halmstad	Sweden	Record daily precipitation	16.6 mm (0.7 in)	20 of 100 (Routine)
Tranebjerg	Denmark	Record daily precipitation	18.2 mm (0.7 in)	19 of 100 (Routine)
Gysinge	Sweden	Record daily precipitation	15.1 mm (0.6 in)	19 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Jokkmokk	Sweden	Record high minimum temperature	18.5 C (65.3 F)	18 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	21.4 mm (0.8 in)	17 of 100 (Routine)
Orebro	Sweden	Record daily precipitation	18.5 mm (0.7 in)	17 of 100 (Routine)
Welland	Canada	Record daily precipitation	22.6 mm (0.9 in)	16 of 100 (Routine)
Kazan	Russia	Record daily precipitation	9.8 mm (0.39 in)	15 of 100 (Routine)
Vastervik	Sweden	Record daily precipitation	6.3 mm (0.25 in)	14 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	43.4 mm (1.7 in)	13 of 100 (Routine)
Boras	Sweden	Record daily precipitation	25.5 mm (1.0 in)	13 of 100 (Routine)
Gotska Sandon	Sweden	Record daily precipitation	8.4 mm (0.33 in)	13 of 100 (Routine)
Sarna	Sweden	Record daily precipitation	18.6 mm (0.7 in)	12 of 100 (Routine)
Karesuando	Sweden	Record high minimum temperature	15.5 C (59.9 F)	12 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	23.1 C (73.6 F)	11 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	12.2 C (54.0 F)	11 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	12.7 mm (0.5 in)	10 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	18.9 C (66.0 F)	10 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	4.4 C (39.9 F)	9 of 100 (Routine)
Vanersborg	Sweden	Record low maximum temperature	15.0 C (59.0 F)	9 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	20.6 C (69.1 F)	8 of 100 (Routine)
Malung	Sweden	Record daily precipitation	13.9 mm (0.5 in)	8 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	15.0 C (59.0 F)	7 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	23.5 mm (0.9 in)	6 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	22.2 C (72.0 F)	4 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	17.0 C (62.6 F)	3 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	22.0 C (71.6 F)	1 of 100 (Routine)
Haparanda	Sweden	Record high maximum temperature	29.5 C (85.1 F)	1 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high minimum temperature	13.9 C (57.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

36 records

Records set or tied on 28 July 1915 by type: Highest daily maximum 1, Lowest daily maximum 6, Highest daily minimum 7, Lowest daily minimum 1, Heaviest daily rainfall 21.

Records on 28 July 1915 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	6
Highest daily minimum	7
Lowest daily minimum	1
Heaviest daily rainfall	21
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 July 1915 by timescale: all-time 0, monthly 0, daily 36.

How Much Records Were Beaten By

31 broken records

Margins by which the 31 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 48.2. Ties are not counted.

Top 20 by Significance

28 July 1915

Top 20 records on 28 July 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 July 1915	London South, CA	daily rain	53.8 mm (2.1 in)	34.7 mm (1.4 in)	10 years	43 of 100 (Notable)
28 July 1915	Westminster, CA	daily rain	66.5 mm (2.6 in)	48.2 mm (1.9 in)	13 years	41 of 100 (Notable)
28 July 1915	Vanersborg, SE	daily rain	26.5 mm (1.0 in)	4.8 mm (0.19 in)	40 years	23 of 100 (Routine)
28 July 1915	Jonkoping, SE	daily rain	19.1 mm (0.8 in)	9.4 mm (0.37 in)	23 years	20 of 100 (Routine)
28 July 1915	Oran-Hopital Militaire, DZ	daily rain	0.2 mm (0.01 in)	0.2 mm (0.01 in)	62 years	20 of 100 (Routine)
28 July 1915	Calitzdorp Pol, ZA	daily rain	3.0 mm (0.12 in)	3.0 mm (0.12 in)	36 years	20 of 100 (Routine)
28 July 1915	Halmstad, SE	daily rain	16.6 mm (0.7 in)	0.3 mm (0.01 in)	54 years	20 of 100 (Routine)
28 July 1915	Tranebjerg, DK	daily rain	18.2 mm (0.7 in)	5.8 mm (0.23 in)	19 years	19 of 100 (Routine)
28 July 1915	Gysinge, SE	daily rain	15.1 mm (0.6 in)	5.4 mm (0.21 in)	28 years	19 of 100 (Routine)
28 July 1915	Haparanda, SE	daily high min	20.0 C (68.0 F)	2.5 C (4.5 F)	28 years	18 of 100 (Routine)
28 July 1915	Jokkmokk, SE	daily high min	18.5 C (65.3 F)	4.5 C (8.1 F)	6 years	18 of 100 (Routine)
28 July 1915	Oktjabrskij-Gorodok, RU	daily rain	21.4 mm (0.8 in)	6.6 mm (0.26 in)	12 years	17 of 100 (Routine)
28 July 1915	Orebro, SE	daily rain	18.5 mm (0.7 in)	4.0 mm (0.16 in)	23 years	17 of 100 (Routine)
28 July 1915	Welland, CA	daily rain	22.6 mm (0.9 in)	0.2 mm (0.01 in)	40 years	16 of 100 (Routine)
28 July 1915	Kazan, RU	daily rain	9.8 mm (0.39 in)	5.1 mm (0.20 in)	24 years	15 of 100 (Routine)
28 July 1915	Vastervik, SE	daily rain	6.3 mm (0.25 in)	0.7 mm (0.03 in)	31 years	14 of 100 (Routine)
28 July 1915	Table.Mtn Platteklip, ZA	daily rain	43.4 mm (1.7 in)	4.8 mm (0.19 in)	23 years	13 of 100 (Routine)
28 July 1915	Boras, SE	daily rain	25.5 mm (1.0 in)	3.7 mm (0.15 in)	18 years	13 of 100 (Routine)
28 July 1915	Gotska Sandon, SE	daily rain	8.4 mm (0.33 in)	4.2 mm (0.17 in)	19 years	13 of 100 (Routine)
28 July 1915	Sarna, SE	daily rain	18.6 mm (0.7 in)	0.8 mm (0.03 in)	28 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

1815 to 1915

Records set or tied on this calendar date in each year from 1815 to 1915. 1915 had 36 records.

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

Records on 07-28 in each year
Year	Records
1815	1
1832	2
1834	1
1838	1
1846	1
1848	1
1853	1
1857	1
1860	2
1866	2
1867	1
1872	3
1873	1
1874	1
1882	1
1883	3
1884	3
1886	2
1887	2
1888	3
1890	3
1891	8
1892	3
1893	5
1894	4
1895	6
1896	4
1897	4
1898	6
1900	8
1901	14
1902	4
1903	16
1904	23
1905	10
1906	18
1907	39
1908	15
1909	19
1910	18
1911	61
1912	32
1913	54
1914	42
1915	36
1916	134
1917	84
1918	34
1919	53
1920	95
1921	92
1922	82
1923	193
1924	79
1925	361
1926	175
1927	129
1928	341
1929	215
1930	603
1931	464
1932	184
1933	390
1934	533
1935	354
1936	471
1937	315
1938	264
1939	339
1940	507
1941	525
1942	165
1943	429
1944	349
1945	399
1946	380
1947	630
1948	535
1949	496
1950	1,035
1951	320
1952	669
1953	251
1954	355
1955	537
1956	309
1957	298
1958	549
1959	417
1960	416
1961	357
1962	772
1963	484
1964	422
1965	422
1966	349
1967	458
1968	547
1969	737
1970	343
1971	1,161
1972	675
1973	500
1974	343
1975	537
1976	493
1977	724
1978	681
1979	692
1980	1,170
1981	1,315
1982	774
1983	1,389
1984	1,373
1985	627
1986	868
1987	1,202
1988	761
1989	936
1990	757
1991	768
1992	678
1993	1,026
1994	2,266
1995	1,251
1996	1,178
1997	1,024
1998	1,835
1999	985
2000	857
2001	938
2002	866
2003	932
2004	1,345
2005	1,387
2006	1,398
2007	998
2008	923
2009	964
2010	1,306
2011	1,143
2012	731
2013	1,428
2014	713
2015	911
2016	648
2017	476
2018	655
2019	469
2020	721
2021	831
2022	990
2023	765
2024	668
2025	845
2026	863

Download the Data

Data for records on 1915-07-28: 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).

Histogram of margins by which records were beaten on 28 July 1915
Margin	Records
0 to 10	29
10 to 20	0
20 to 30	0
30 to 40	1
40 to 50	1