Weather Records on 10 July 1917

51 weather records were set or tied worldwide on 10 July 1917. Highest significance: Philadelphia City, US.

Key Facts for 10 July 1917

On 10 July 1917, 51 weather records were set or tied at long-record stations worldwide.
3 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 51 daily.
Philadelphia City set a daily record precipitation of 65.3 mm (2.6 in) on 10 July 1917.
Across 173 earlier years (1793 to 2026) the same calendar date averaged 414 records.

Record Map

51 stations

51 station records on 10 July 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 July 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Philadelphia City	United States	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Restdown	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Buffalo	United States	Record daily precipitation	34.0 mm (1.3 in)	23 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	33.8 mm (1.3 in)	21 of 100 (Routine)
Tempe Downs	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Gnalta	Australia	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Ny City Cntrl Park	United States	Record low maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Stoney Creek	Canada	Record daily precipitation	21.6 mm (0.9 in)	18 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low minimum temperature	6.0 C (42.8 F)	18 of 100 (Routine)
Coondambo	Australia	Record daily precipitation	3.8 mm (0.15 in)	17 of 100 (Routine)
Southampton	Canada	Record daily precipitation	30.2 mm (1.2 in)	17 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	18.3 C (64.9 F)	17 of 100 (Routine)
Newark Liberty Intl AP	United States	Record low maximum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Stratford	Canada	Record daily precipitation	24.9 mm (1.0 in)	16 of 100 (Routine)
Setauket Strong	United States	Record low maximum temperature	18.9 C (66.0 F)	16 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	38.6 mm (1.5 in)	16 of 100 (Routine)
Morgan Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	15 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	19.4 C (66.9 F)	15 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Woomera (South Gap Station)	Australia	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Koomooloo	Australia	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	17.0 mm (0.7 in)	14 of 100 (Routine)
Vineland	United States	Record low maximum temperature	20.6 C (69.1 F)	14 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	20.0 C (68.0 F)	13 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Broken Hill (Nuntherungie)	Australia	Record daily precipitation	5.1 mm (0.20 in)	12 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
Blinman (Wirrealpa)	Australia	Record daily precipitation	5.1 mm (0.20 in)	11 of 100 (Routine)
Brisbane Regional Office	Australia	Record high maximum temperature	23.5 C (74.3 F)	11 of 100 (Routine)
Wiarton	Canada	Record daily precipitation	20.8 mm (0.8 in)	11 of 100 (Routine)
Wentworth (Cuthero)	Australia	Record daily precipitation	10.4 mm (0.4 in)	10 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	18.9 C (66.0 F)	10 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	16.7 C (62.1 F)	10 of 100 (Routine)
Sveg	Sweden	Record low minimum temperature	0.0 C (32.0 F)	10 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	18.9 C (66.0 F)	10 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	29.0 mm (1.1 in)	9 of 100 (Routine)
Halifax	Canada	Record daily precipitation	14.5 mm (0.6 in)	9 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	19.4 C (66.9 F)	7 of 100 (Routine)
Ottawa	Canada	Record low maximum temperature	17.2 C (63.0 F)	6 of 100 (Routine)
Beatrice	Canada	Record daily precipitation	4.1 mm (0.16 in)	6 of 100 (Routine)
Lucknow	Canada	Record low maximum temperature	15.6 C (60.1 F)	5 of 100 (Routine)
Cobar Post Office	Australia	Record high minimum temperature	8.9 C (48.0 F)	3 of 100 (Routine)
Charlottetown	Canada	Record low maximum temperature	17.2 C (63.0 F)	3 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	2.8 C (37.0 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	7.0 C (44.6 F)	3 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	8.6 mm (0.34 in)	2 of 100 (Routine)
Moose Factory	Canada	Record low maximum temperature	12.2 C (54.0 F)	2 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	21.6 C (70.9 F)	2 of 100 (Routine)
Harnosand	Sweden	Record low minimum temperature	6.0 C (42.8 F)	2 of 100 (Routine)

Counts by Type and Timescale

51 records

Records set or tied on 10 July 1917 by type: Highest daily maximum 1, Lowest daily maximum 19, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 24.

Records on 10 July 1917 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	19
Highest daily minimum	2
Lowest daily minimum	5
Heaviest daily rainfall	24
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 July 1917 by timescale: all-time 0, monthly 0, daily 51.

How Much Records Were Beaten By

43 broken records

Margins by which the 43 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.7. Ties are not counted.

Top 20 by Significance

10 July 1917

Top 20 records on 10 July 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 July 1917	Philadelphia City, US	daily rain	65.3 mm (2.6 in)	25.7 mm (1.0 in)	40 years	37 of 100 (Notable)
10 July 1917	Restdown, AU	daily rain	33.0 mm (1.3 in)	13.2 mm (0.5 in)	25 years	29 of 100 (Routine)
10 July 1917	Philadelphia City, US	daily low max	19.4 C (66.9 F)	4.5 C (8.1 F)	26 years	25 of 100 (Routine)
10 July 1917	Buffalo, US	daily rain	34.0 mm (1.3 in)	8.6 mm (0.34 in)	38 years	23 of 100 (Routine)
10 July 1917	Guelph Oac, CA	daily rain	33.8 mm (1.3 in)	15.5 mm (0.6 in)	12 years	21 of 100 (Routine)
10 July 1917	Tempe Downs, AU	daily rain	17.8 mm (0.7 in)	17.0 mm (0.7 in)	26 years	20 of 100 (Routine)
10 July 1917	Port Augusta (Carriewerloo STN, AU	daily rain	8.9 mm (0.35 in)	5.9 mm (0.23 in)	20 years	20 of 100 (Routine)
10 July 1917	Gnalta, AU	daily rain	11.4 mm (0.4 in)	8.9 mm (0.35 in)	7 years	19 of 100 (Routine)
10 July 1917	Ny City Cntrl Park, US	daily low max	18.3 C (64.9 F)	2.8 C (5.0 F)	26 years	19 of 100 (Routine)
10 July 1917	Stoney Creek, CA	daily rain	21.6 mm (0.9 in)	6.6 mm (0.26 in)	31 years	18 of 100 (Routine)
10 July 1917	Linkoeping-Malmslaett, SE	daily low min	6.0 C (42.8 F)	1.5 C (2.7 F)	30 years	18 of 100 (Routine)
10 July 1917	Coondambo, AU	daily rain	3.8 mm (0.15 in)	2.5 mm (0.10 in)	25 years	17 of 100 (Routine)
10 July 1917	Southampton, CA	daily rain	30.2 mm (1.2 in)	8.4 mm (0.33 in)	8 years	17 of 100 (Routine)
10 July 1917	World Trade Ctr, US	daily low max	18.3 C (64.9 F)	3.4 C (6.1 F)	12 years	17 of 100 (Routine)
10 July 1917	Newark Liberty Intl AP, US	daily low max	19.4 C (66.9 F)	2.8 C (5.0 F)	12 years	17 of 100 (Routine)
10 July 1917	Stratford, CA	daily rain	24.9 mm (1.0 in)	4.3 mm (0.17 in)	29 years	16 of 100 (Routine)
10 July 1917	Setauket Strong, US	daily low max	18.9 C (66.0 F)	1.7 C (3.1 F)	27 years	16 of 100 (Routine)
10 July 1917	Atlantic City Marina, US	daily rain	38.6 mm (1.5 in)	5.6 mm (0.22 in)	28 years	16 of 100 (Routine)
10 July 1917	Morgan Post Office, AU	daily rain	4.1 mm (0.16 in)	1.3 mm (0.05 in)	31 years	15 of 100 (Routine)
10 July 1917	Toledo Blade, US	daily low max	19.4 C (66.9 F)	2.3 C (4.1 F)	18 years	15 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 51 records.

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

Records on 07-10 in each year
Year	Records
1793	2
1805	1
1815	2
1826	1
1829	1
1835	1
1837	1
1839	1
1843	3
1845	1
1847	2
1849	1
1850	1
1851	1
1853	1
1856	1
1857	1
1859	1
1861	1
1864	1
1865	1
1866	1
1870	2
1871	2
1872	1
1874	4
1875	2
1876	3
1877	1
1878	1
1879	2
1880	2
1882	2
1884	1
1886	5
1887	1
1888	3
1889	2
1890	3
1891	4
1893	1
1894	3
1895	1
1896	5
1897	6
1898	4
1899	10
1900	4
1901	6
1902	12
1903	16
1904	25
1905	40
1906	4
1907	5
1908	7
1909	15
1910	25
1911	58
1912	29
1913	38
1914	48
1915	20
1916	56
1917	51
1918	36
1919	23
1920	29
1921	81
1922	67
1923	113
1924	66
1925	257
1926	321
1927	95
1928	102
1929	175
1930	540
1931	292
1932	355
1933	570
1934	327
1935	306
1936	1,338
1937	304
1938	151
1939	327
1940	398
1941	432
1942	628
1943	283
1944	478
1945	729
1946	467
1947	537
1948	367
1949	392
1950	680
1951	551
1952	814
1953	529
1954	684
1955	497
1956	434
1957	514
1958	402
1959	512
1960	451
1961	688
1962	456
1963	950
1964	368
1965	357
1966	512
1967	341
1968	598
1969	518
1970	464
1971	568
1972	447
1973	528
1974	871
1975	712
1976	724
1977	486
1978	1,076
1979	686
1980	1,113
1981	811
1982	602
1983	1,184
1984	962
1985	657
1986	686
1987	862
1988	1,024
1989	869
1990	820
1991	890
1992	864
1993	1,088
1994	864
1995	1,096
1996	1,604
1997	846
1998	1,259
1999	964
2000	889
2001	992
2002	1,336
2003	981
2004	621
2005	1,077
2006	920
2007	954
2008	874
2009	951
2010	1,509
2011	1,102
2012	1,015
2013	545
2014	660
2015	1,025
2016	859
2017	547
2018	554
2019	529
2020	775
2021	1,081
2022	691
2023	837
2024	1,576
2025	704
2026	472

Download the Data

Data for records on 1917-07-10: 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	32
5 to 10	7
10 to 15	1
15 to 20	2
20 to 25	0
25 to 30	1