Weather Records on 17 July 1915

71 weather records were set or tied worldwide on 17 July 1915. Highest significance: Brome, CA.

Key Facts for 17 July 1915

On 17 July 1915, 71 weather records were set or tied at long-record stations worldwide.
4 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 71 daily.
Brome set a daily record precipitation of 38.1 mm (1.5 in) on 17 July 1915.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

71 stations

71 station records on 17 July 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brome	Canada	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
East London -Signal STN	South Africa	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Forbes (Camp Street)	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Roto Station	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Brundah	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Yalgogrin South	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Beaufort West (Met)	South Africa	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Barellan Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Sheringa (Lake Hamilton)	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Coan Downs	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Clunes	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Bloukrans (Bos)	South Africa	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Graaff Reinet	South Africa	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Bygoo	Australia	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	27.2 C (81.0 F)	19 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	13.2 mm (0.5 in)	18 of 100 (Routine)
Lake Cargelligo Airport	Australia	Record daily precipitation	17.0 mm (0.7 in)	18 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	15.0 C (59.0 F)	18 of 100 (Routine)
Warrangong	Australia	Record daily precipitation	24.1 mm (0.9 in)	17 of 100 (Routine)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	15.7 mm (0.6 in)	17 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	13.0 mm (0.5 in)	17 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	2.0 mm (0.08 in)	16 of 100 (Routine)
Hillview (Ballandry)	Australia	Record daily precipitation	16.5 mm (0.6 in)	16 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	20.6 mm (0.8 in)	16 of 100 (Routine)
Katberg (Bos)	South Africa	Record daily precipitation	16.8 mm (0.7 in)	16 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	5.3 mm (0.21 in)	15 of 100 (Routine)
Wentworth (Cuthero)	Australia	Record daily precipitation	3.6 mm (0.14 in)	15 of 100 (Routine)
Collerina (Corrella)	Australia	Record daily precipitation	17.0 mm (0.7 in)	15 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low minimum temperature	4.4 C (39.9 F)	15 of 100 (Routine)
Bird Rocks	Canada	Record daily precipitation	12.7 mm (0.5 in)	15 of 100 (Routine)
Vestervig	Denmark	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Qu'appelle	Canada	Record low maximum temperature	12.8 C (55.0 F)	14 of 100 (Routine)
Bic	Canada	Record daily precipitation	12.7 mm (0.5 in)	14 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	12.6 mm (0.5 in)	14 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	16.5 C (61.7 F)	14 of 100 (Routine)
Houston Wb City	United States	Record high maximum temperature	37.2 C (99.0 F)	14 of 100 (Routine)
Hoorn	Netherlands	Record daily precipitation	16.3 mm (0.6 in)	13 of 100 (Routine)
Grahamstown	South Africa	Record daily precipitation	19.8 mm (0.8 in)	13 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	10.7 mm (0.4 in)	13 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	13 of 100 (Routine)
Huron Rgnl AP	United States	Record low maximum temperature	22.2 C (72.0 F)	13 of 100 (Routine)
Yardea	Australia	Record daily precipitation	3.8 mm (0.15 in)	12 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	13.3 C (55.9 F)	12 of 100 (Routine)
Windsor Riverside	Canada	Record daily precipitation	20.8 mm (0.8 in)	12 of 100 (Routine)
Darwin Post Office	Australia	Record high minimum temperature	23.1 C (73.6 F)	11 of 100 (Routine)
Bingara (Keera)	Australia	Record daily precipitation	8.6 mm (0.34 in)	11 of 100 (Routine)
Cowra Post Office	Australia	Record daily precipitation	15.2 mm (0.6 in)	11 of 100 (Routine)
Athol 1	Australia	Record daily precipitation	7.4 mm (0.29 in)	11 of 100 (Routine)
Burlington	United States	Record daily precipitation	28.2 mm (1.1 in)	11 of 100 (Routine)
Warialda Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	10 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	4.3 mm (0.17 in)	10 of 100 (Routine)
Ivanhoe (Bonuna)	Australia	Record daily precipitation	3.8 mm (0.15 in)	9 of 100 (Routine)
Culpotaro	Australia	Record daily precipitation	1.5 mm (0.06 in)	9 of 100 (Routine)
Merrowie North	Australia	Record daily precipitation	8.9 mm (0.35 in)	9 of 100 (Routine)
Bundarra Post Office	Australia	Record daily precipitation	4.6 mm (0.18 in)	9 of 100 (Routine)
St John's	Canada	Record low minimum temperature	3.9 C (39.0 F)	9 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 17 July 1915 by type: Highest daily maximum 1, Lowest daily maximum 9, Highest daily minimum 3, Lowest daily minimum 4, Heaviest daily rainfall 54.

Records on 17 July 1915 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	9
Highest daily minimum	3
Lowest daily minimum	4
Heaviest daily rainfall	54
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1915 by timescale: all-time 0, monthly 0, daily 71.

How Much Records Were Beaten By

66 broken records

Margins by which the 66 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.3. Ties are not counted.

Top 20 by Significance

17 July 1915

Top 20 records on 17 July 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1915	Brome, CA	daily rain	38.1 mm (1.5 in)	14.7 mm (0.6 in)	14 years	22 of 100 (Routine)
17 July 1915	East London -Signal STN, ZA	daily rain	27.9 mm (1.1 in)	16.0 mm (0.6 in)	15 years	22 of 100 (Routine)
17 July 1915	Forbes (Camp Street), AU	daily rain	20.6 mm (0.8 in)	15.3 mm (0.6 in)	20 years	20 of 100 (Routine)
17 July 1915	Roto Station, AU	daily rain	11.7 mm (0.5 in)	11.7 mm (0.5 in)	34 years	20 of 100 (Routine)
17 July 1915	Hogsback (Bos), ZA	daily rain	23.1 mm (0.9 in)	15.2 mm (0.6 in)	29 years	20 of 100 (Routine)
17 July 1915	Brundah, AU	daily rain	23.4 mm (0.9 in)	11.5 mm (0.5 in)	20 years	20 of 100 (Routine)
17 July 1915	Yalgogrin South, AU	daily rain	19.3 mm (0.8 in)	11.7 mm (0.5 in)	21 years	20 of 100 (Routine)
17 July 1915	Uniondale (Tnk), ZA	daily rain	19.1 mm (0.8 in)	13.5 mm (0.5 in)	31 years	20 of 100 (Routine)
17 July 1915	Beaufort West (Met), ZA	daily rain	6.4 mm (0.25 in)	5.1 mm (0.20 in)	36 years	20 of 100 (Routine)
17 July 1915	Barellan Post Office, AU	daily rain	19.1 mm (0.8 in)	10.7 mm (0.4 in)	4 years	20 of 100 (Routine)
17 July 1915	Sheringa (Lake Hamilton), AU	daily rain	17.0 mm (0.7 in)	7.6 mm (0.30 in)	21 years	20 of 100 (Routine)
17 July 1915	Coan Downs, AU	daily rain	19.1 mm (0.8 in)	5.1 mm (0.20 in)	34 years	20 of 100 (Routine)
17 July 1915	Second Valley (Spring Grove), AU	daily rain	21.8 mm (0.9 in)	11.4 mm (0.4 in)	8 years	20 of 100 (Routine)
17 July 1915	Clunes, AU	daily rain	11.9 mm (0.5 in)	4.3 mm (0.17 in)	30 years	20 of 100 (Routine)
17 July 1915	Bloukrans (Bos), ZA	daily rain	38.1 mm (1.5 in)	17.3 mm (0.7 in)	12 years	20 of 100 (Routine)
17 July 1915	Graaff Reinet, ZA	daily rain	10.7 mm (0.4 in)	9.9 mm (0.39 in)	35 years	20 of 100 (Routine)
17 July 1915	Bygoo, AU	daily rain	14.0 mm (0.6 in)	5.6 mm (0.22 in)	20 years	19 of 100 (Routine)
17 July 1915	Hambantota, LK	daily low max	27.2 C (81.0 F)	0.6 C (1.1 F)	45 years	19 of 100 (Routine)
17 July 1915	Roto (Coombie), AU	daily rain	13.2 mm (0.5 in)	5.1 mm (0.20 in)	24 years	18 of 100 (Routine)
17 July 1915	Lake Cargelligo Airport, AU	daily rain	17.0 mm (0.7 in)	8.6 mm (0.34 in)	6 years	18 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

1793 to 1915

Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 71 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1915-07-17: 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	25
3 to 5	15
5 to 8	9
8 to 10	6
10 to 13	5
13 to 15	2
15 to 18	4