Weather Records on 28 July 1917

84 weather records were set or tied worldwide on 28 July 1917. Highest significance: Walhalla, AU.

Key Facts for 28 July 1917

On 28 July 1917, 84 weather records were set or tied at long-record stations worldwide.
14 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 1 monthly and 79 daily.
Walhalla set a daily record precipitation of 28.2 mm (1.1 in) on 28 July 1917.
Across 155 earlier years (1815 to 2026) the same calendar date averaged 475 records.

Record Map

84 stations

84 station records on 28 July 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 July 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Walhalla	Australia	Record daily precipitation	28.2 mm (1.1 in)	38 of 100 (Notable)
Dromana	Australia	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Sydney	Canada	Record daily precipitation	44.2 mm (1.7 in)	35 of 100 (Notable)
Officer (Jesmond Dene)	Australia	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Rokewood (Kuruc A Ruc)	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Mornington	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Carrieton (Pamatta)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Tolarno	Australia	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Hastings Post Office	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Alicedale	South Africa	Record daily precipitation	31.8 mm (1.3 in)	20 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	47.5 mm (1.9 in)	20 of 100 (Routine)
Albury	Australia	Record daily precipitation	14.7 mm (0.6 in)	19 of 100 (Routine)
Caltowie	Australia	Record daily precipitation	6.1 mm (0.24 in)	18 of 100 (Routine)
Jamestown	Australia	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Yanco Glen (Corona Homestead)	Australia	Record daily precipitation	2.8 mm (0.11 in)	17 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	23.6 mm (0.9 in)	17 of 100 (Routine)
Ballan	Australia	Record daily precipitation	11.7 mm (0.5 in)	17 of 100 (Routine)
Stony Mountain	Canada	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Blinman (Wirrealpa)	Australia	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Warburton	Australia	Record daily precipitation	22.9 mm (0.9 in)	16 of 100 (Routine)
Myrniong	Australia	Record daily precipitation	8.9 mm (0.35 in)	16 of 100 (Routine)
Beeac (Eurack)	Australia	Record daily precipitation	9.1 mm (0.36 in)	16 of 100 (Routine)
Stuarts Creek	Australia	Record daily precipitation	0.5 mm (0.02 in)	15 of 100 (Routine)
Kerang	Australia	Record daily precipitation	10.9 mm (0.4 in)	15 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	11.2 mm (0.4 in)	15 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Casterton (Nangeela)	Australia	Record daily precipitation	11.9 mm (0.5 in)	14 of 100 (Routine)
Cape Schanck Lighthouse	Australia	Record daily precipitation	12.2 mm (0.5 in)	13 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	9.7 mm (0.38 in)	13 of 100 (Routine)
Enfield	Australia	Record daily precipitation	11.9 mm (0.5 in)	13 of 100 (Routine)
Warnertown (Willow Lodge)	Australia	Record daily precipitation	12.7 mm (0.5 in)	12 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	11.2 mm (0.4 in)	12 of 100 (Routine)
Mount Bute	Australia	Record daily precipitation	12.4 mm (0.5 in)	12 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	13.2 mm (0.5 in)	12 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	3.3 C (37.9 F)	12 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	40.0 C (104.0 F)	12 of 100 (Routine)
Burrabogie	Australia	Record daily precipitation	10.9 mm (0.4 in)	11 of 100 (Routine)
Inglewood (Post Office)	Australia	Record daily precipitation	6.4 mm (0.25 in)	11 of 100 (Routine)
Beltana	Australia	Record daily precipitation	4.3 mm (0.17 in)	10 of 100 (Routine)
Paika	Australia	Record daily precipitation	8.9 mm (0.35 in)	10 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	10 of 100 (Routine)
Dookie Agricultural College	Australia	Record daily precipitation	10.4 mm (0.4 in)	9 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	15.0 mm (0.6 in)	9 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	16.8 mm (0.7 in)	9 of 100 (Routine)
Sale	Australia	Record daily precipitation	11.4 mm (0.4 in)	9 of 100 (Routine)
Cundare South	Australia	Record daily precipitation	6.4 mm (0.25 in)	9 of 100 (Routine)
Wellington East	Australia	Record daily precipitation	4.3 mm (0.17 in)	8 of 100 (Routine)
Wellwood	Australia	Record daily precipitation	24.9 mm (1.0 in)	8 of 100 (Routine)
Sale Mercury Office	Australia	Record daily precipitation	10.4 mm (0.4 in)	8 of 100 (Routine)
Stony Mountain	Canada	Record high minimum temperature	22.2 C (72.0 F)	8 of 100 (Routine)
Maitland (Weetulta)	Australia	Record daily precipitation	7.6 mm (0.30 in)	7 of 100 (Routine)
Gnalta	Australia	Record daily precipitation	2.5 mm (0.10 in)	7 of 100 (Routine)
Tumut (Wattle Cres)	Australia	Record daily precipitation	16.5 mm (0.6 in)	7 of 100 (Routine)
Quambatook South	Australia	Record daily precipitation	11.7 mm (0.5 in)	7 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	35.0 C (95.0 F)	7 of 100 (Routine)
Wirrabara	Australia	Record daily precipitation	6.9 mm (0.27 in)	6 of 100 (Routine)

Counts by Type and Timescale

84 records

Records set or tied on 28 July 1917 by type: Highest daily maximum 7, Lowest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 2, Heaviest daily rainfall 66.

Records on 28 July 1917 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	2
Highest daily minimum	7
Lowest daily minimum	2
Heaviest daily rainfall	66
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 July 1917 by timescale: all-time 4, monthly 1, daily 79.

How Much Records Were Beaten By

69 broken records

Margins by which the 69 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.7. Ties are not counted.

Top 20 by Significance

28 July 1917

Top 20 records on 28 July 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 July 1917	Walhalla, AU	daily rain	28.2 mm (1.1 in)	21.6 mm (0.9 in)	18 years	38 of 100 (Notable)
28 July 1917	Dromana, AU	daily rain	27.9 mm (1.1 in)	15.5 mm (0.6 in)	33 years	36 of 100 (Notable)
28 July 1917	Sydney, CA	daily rain	44.2 mm (1.7 in)	18.0 mm (0.7 in)	43 years	35 of 100 (Notable)
28 July 1917	Officer (Jesmond Dene), AU	daily rain	25.9 mm (1.0 in)	17.5 mm (0.7 in)	16 years	34 of 100 (Routine)
28 July 1917	Morris W Cntrl Rsch & Outreach, US	all-time high max	39.4 C (102.9 F)	0.5 C (0.9 F)	16 years	28 of 100 (Routine)
28 July 1917	Winnipeg St Johns Coll, CA	all-time high min	24.4 C (75.9 F)	0.5 C (0.9 F)	4 years	26 of 100 (Routine)
28 July 1917	Rokewood (Kuruc A Ruc), AU	daily rain	13.7 mm (0.5 in)	8.6 mm (0.34 in)	16 years	20 of 100 (Routine)
28 July 1917	Mornington, AU	daily rain	19.3 mm (0.8 in)	3.8 mm (0.15 in)	44 years	20 of 100 (Routine)
28 July 1917	Belton (Shadow Vale), AU	daily rain	12.2 mm (0.5 in)	7.4 mm (0.29 in)	28 years	20 of 100 (Routine)
28 July 1917	Carrieton (Pamatta), AU	daily rain	10.2 mm (0.4 in)	5.6 mm (0.22 in)	28 years	20 of 100 (Routine)
28 July 1917	Tolarno, AU	daily rain	9.9 mm (0.39 in)	8.1 mm (0.32 in)	10 years	20 of 100 (Routine)
28 July 1917	Hastings Post Office, AU	daily rain	18.8 mm (0.7 in)	3.8 mm (0.15 in)	44 years	20 of 100 (Routine)
28 July 1917	Cape Otway Lighthouse, AU	daily rain	18.5 mm (0.7 in)	3.3 mm (0.13 in)	36 years	20 of 100 (Routine)
28 July 1917	Alicedale, ZA	daily rain	31.8 mm (1.3 in)	26.7 mm (1.1 in)	4 years	20 of 100 (Routine)
28 July 1917	Bjuraker, SE	daily rain	47.5 mm (1.9 in)	10.8 mm (0.4 in)	4 years	20 of 100 (Routine)
28 July 1917	Albury, AU	daily rain	14.7 mm (0.6 in)	3.3 mm (0.13 in)	30 years	19 of 100 (Routine)
28 July 1917	Caltowie, AU	daily rain	6.1 mm (0.24 in)	2.3 mm (0.09 in)	30 years	18 of 100 (Routine)
28 July 1917	Jamestown, AU	daily rain	7.9 mm (0.31 in)	2.8 mm (0.11 in)	30 years	18 of 100 (Routine)
28 July 1917	Yanco Glen (Corona Homestead), AU	daily rain	2.8 mm (0.11 in)	2.8 mm (0.11 in)	33 years	17 of 100 (Routine)
28 July 1917	Holbrook (Rsl), AU	daily rain	23.6 mm (0.9 in)	10.4 mm (0.4 in)	0 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

1815 to 1917

Records set or tied on this calendar date in each year from 1815 to 1917. 1917 had 84 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 1917-07-28: 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).

Margin	Records
0 to 5	56
5 to 10	6
10 to 15	2
15 to 20	3
20 to 25	1
25 to 30	1