Weather Records on 15 July 1917

134 weather records were set or tied worldwide on 15 July 1917. Highest significance: Montagu (Pol), ZA.

Key Facts for 15 July 1917

On 15 July 1917, 134 weather records were set or tied at long-record stations worldwide.
7 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 132 daily.
Montagu (Pol) set a daily record precipitation of 53.3 mm (2.1 in) on 15 July 1917.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

134 stations

134 station records on 15 July 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 July 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Montagu (Pol)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Den Helder-1	Netherlands	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Springbok	South Africa	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Piketberg (Pol)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Worcester	South Africa	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Newport	United States	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	38.6 mm (1.5 in)	26 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	69.9 mm (2.8 in)	23 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Alice Springs Post Office	Australia	Record high minimum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Hammond	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Peterborough (Dawson)	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Bindara (Netley)	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Hawker (Wilson)	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Yudnapinna	Australia	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Beltana	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Port Augusta Post Office	Australia	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Port Augusta West	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Blinman	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Marree Comparison	Australia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Hawker	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Mount Remarkable	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Wilcannia (Mena Murtee)	Australia	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Burra Burra	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Talyealye	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Colesberg (Tnk)	South Africa	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Snowtown	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Winbar	Australia	Record daily precipitation	3.6 mm (0.14 in)	20 of 100 (Routine)
Melrose	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Curnomona (Curnamona)	Australia	Record daily precipitation	4.1 mm (0.16 in)	20 of 100 (Routine)
Wilcannia (Culpaulin)	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Philipstown (Tnk)	South Africa	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Little Rock St Capitol	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Stuarts Creek	Australia	Record daily precipitation	4.3 mm (0.17 in)	19 of 100 (Routine)
Carrieton	Australia	Record daily precipitation	10.7 mm (0.4 in)	19 of 100 (Routine)
Buffelsfontein 14	South Africa	Record daily precipitation	10.2 mm (0.4 in)	19 of 100 (Routine)
Cornwall	United States	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	12.2 mm (0.5 in)	18 of 100 (Routine)
Broken Hill (Nuntherungie)	Australia	Record daily precipitation	2.0 mm (0.08 in)	18 of 100 (Routine)
Tolarno	Australia	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Nekarboo	Australia	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Somerville 4 NW	United States	Record daily precipitation	38.1 mm (1.5 in)	18 of 100 (Routine)
Blinman (Wirrealpa)	Australia	Record daily precipitation	2.3 mm (0.09 in)	17 of 100 (Routine)
Hawker (Holowilena)	Australia	Record daily precipitation	8.9 mm (0.35 in)	17 of 100 (Routine)
Carrieton (Pamatta)	Australia	Record daily precipitation	9.4 mm (0.37 in)	17 of 100 (Routine)
Milparinka Hotel	Australia	Record daily precipitation	3.3 mm (0.13 in)	17 of 100 (Routine)
Wanaaring (Urisino)	Australia	Record daily precipitation	3.0 mm (0.12 in)	17 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Dunlop	Australia	Record daily precipitation	3.0 mm (0.12 in)	17 of 100 (Routine)
Dordrecht - Tnk 14	South Africa	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Orroroo	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Carrieton (Yackara)	Australia	Record daily precipitation	10.2 mm (0.4 in)	16 of 100 (Routine)

Counts by Type and Timescale

134 records

Records set or tied on 15 July 1917 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 4, Lowest daily minimum 1, Heaviest daily rainfall 123.

Records on 15 July 1917 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	3
Highest daily minimum	4
Lowest daily minimum	1
Heaviest daily rainfall	123
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 July 1917 by timescale: all-time 0, monthly 2, daily 132.

How Much Records Were Beaten By

123 broken records

Margins by which the 123 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.3. Ties are not counted.

Top 20 by Significance

15 July 1917

Top 20 records on 15 July 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 July 1917	Montagu (Pol), ZA	daily rain	53.3 mm (2.1 in)	36.3 mm (1.4 in)	18 years	46 of 100 (Notable)
15 July 1917	Den Helder-1, NL	daily rain	34.0 mm (1.3 in)	13.6 mm (0.5 in)	44 years	40 of 100 (Notable)
15 July 1917	Springbok, ZA	daily rain	43.7 mm (1.7 in)	32.3 mm (1.3 in)	6 years	39 of 100 (Notable)
15 July 1917	Piketberg (Pol), ZA	daily rain	35.6 mm (1.4 in)	27.2 mm (1.1 in)	16 years	36 of 100 (Notable)
15 July 1917	Worcester, ZA	daily rain	27.9 mm (1.1 in)	18.8 mm (0.7 in)	16 years	31 of 100 (Routine)
15 July 1917	Newport, US	daily rain	40.6 mm (1.6 in)	28.4 mm (1.1 in)	22 years	31 of 100 (Routine)
15 July 1917	Malmesbury, ZA	daily rain	34.3 mm (1.4 in)	12.5 mm (0.5 in)	24 years	29 of 100 (Routine)
15 July 1917	Table.Mtn Platteklip, ZA	daily rain	38.6 mm (1.5 in)	19.8 mm (0.8 in)	24 years	26 of 100 (Routine)
15 July 1917	Tulbagh (Pol), ZA	monthly rain	69.9 mm (2.8 in)	8.7 mm (0.34 in)	0 years	23 of 100 (Routine)
15 July 1917	Winnemucca AP, US	daily high min	21.1 C (70.0 F)	2.8 C (5.0 F)	35 years	22 of 100 (Routine)
15 July 1917	Lexington Bluegrass AP, US	daily low max	21.1 C (70.0 F)	3.3 C (5.9 F)	27 years	22 of 100 (Routine)
15 July 1917	Alice Springs Post Office, AU	daily high min	15.0 C (59.0 F)	4.3 C (7.7 F)	23 years	21 of 100 (Routine)
15 July 1917	Caledon (Pol), ZA	monthly rain	43.2 mm (1.7 in)	2.3 mm (0.09 in)	15 years	21 of 100 (Routine)
15 July 1917	Hammond, AU	daily rain	18.0 mm (0.7 in)	15.0 mm (0.6 in)	18 years	20 of 100 (Routine)
15 July 1917	Peterborough (Dawson), AU	daily rain	12.7 mm (0.5 in)	12.7 mm (0.5 in)	32 years	20 of 100 (Routine)
15 July 1917	Bindara (Netley), AU	daily rain	9.7 mm (0.38 in)	9.7 mm (0.38 in)	39 years	20 of 100 (Routine)
15 July 1917	Hawker (Wilson), AU	daily rain	20.3 mm (0.8 in)	19.0 mm (0.7 in)	16 years	20 of 100 (Routine)
15 July 1917	Yudnapinna, AU	daily rain	9.4 mm (0.37 in)	8.6 mm (0.34 in)	25 years	20 of 100 (Routine)
15 July 1917	Anna Creek, AU	daily rain	8.6 mm (0.34 in)	8.6 mm (0.34 in)	32 years	20 of 100 (Routine)
15 July 1917	Beltana, AU	daily rain	8.4 mm (0.33 in)	7.1 mm (0.28 in)	23 years	20 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 1917

Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 134 records.

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

Records on 07-15 in each year
Year	Records
1793	1
1802	1
1808	1
1824	2
1829	1
1832	1
1833	1
1838	1
1839	1
1840	2
1866	1
1868	2
1874	1
1876	1
1877	2
1879	3
1880	1
1881	2
1883	2
1884	2
1885	1
1886	2
1888	1
1889	1
1890	5
1891	4
1892	4
1893	3
1894	6
1895	4
1896	2
1897	2
1898	10
1899	1
1900	1
1901	7
1902	4
1903	24
1904	9
1905	1
1906	10
1907	8
1908	7
1909	7
1910	14
1911	11
1912	44
1913	19
1914	35
1915	34
1916	27
1917	134
1918	33
1919	59
1920	78
1921	55
1922	111
1923	120
1924	126
1925	137
1926	487
1927	151
1928	367
1929	213
1930	503
1931	591
1932	649
1933	205
1934	554
1935	208
1936	905
1937	279
1938	227
1939	394
1940	320
1941	444
1942	275
1943	338
1944	228
1945	693
1946	421
1947	373
1948	397
1949	455
1950	503
1951	606
1952	825
1953	398
1954	784
1955	612
1956	351
1957	304
1958	859
1959	411
1960	576
1961	386
1962	724
1963	291
1964	670
1965	282
1966	494
1967	1,419
1968	661
1969	670
1970	542
1971	552
1972	681
1973	800
1974	692
1975	869
1976	790
1977	766
1978	815
1979	585
1980	1,168
1981	646
1982	938
1983	1,241
1984	841
1985	793
1986	773
1987	968
1988	1,157
1989	827
1990	1,202
1991	589
1992	904
1993	1,198
1994	1,027
1995	1,347
1996	1,076
1997	688
1998	1,170
1999	1,428
2000	1,276
2001	1,004
2002	1,177
2003	1,256
2004	714
2005	932
2006	1,535
2007	1,171
2008	532
2009	816
2010	941
2011	989
2012	927
2013	761
2014	1,016
2015	547
2016	672
2017	467
2018	645
2019	561
2020	614
2021	674
2022	621
2023	1,157
2024	823
2025	720
2026	961

Download the Data

Data for records on 1917-07-15: 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 5	80
5 to 10	27
10 to 15	7
15 to 20	5
20 to 25	0
25 to 30	2
30 to 35	1
35 to 40	1