Weather Records on 5 August 1917

40 weather records were set or tied worldwide on 5 August 1917. Highest significance: Georgetown Post Office, AU.

Key Facts for 5 August 1917

On 5 August 1917, 40 weather records were set or tied at long-record stations worldwide.
10 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 38 daily.
Georgetown Post Office set a daily record precipitation of 48.0 mm (1.9 in) on 5 August 1917.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 446 records.

Record Map

40 stations

40 station records on 5 August 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 August 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Georgetown Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	57 of 100 (Notable)
Charters Towers Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Mackay Post Office	Australia	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Nebo	Australia	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Hughenden Post Office	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Emu Park Hill St	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	20.0 C (68.0 F)	19 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	3.3 C (37.9 F)	18 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	31.1 C (88.0 F)	17 of 100 (Routine)
Cairns Post Office	Australia	Record daily precipitation	29.2 mm (1.1 in)	16 of 100 (Routine)
Bowen Post Office	Australia	Record daily precipitation	21.6 mm (0.9 in)	16 of 100 (Routine)
Marlborough Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	15 of 100 (Routine)
St Lawrence Post Office	Australia	Record daily precipitation	15.0 mm (0.6 in)	15 of 100 (Routine)
Brisbane Regional Office	Australia	Record low maximum temperature	16.3 C (61.3 F)	15 of 100 (Routine)
Nekarboo	Australia	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high maximum temperature	30.3 C (86.5 F)	15 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	17.3 mm (0.7 in)	14 of 100 (Routine)
Bredasdorp	South Africa	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Ferrara	Italy	Record daily precipitation	20.8 mm (0.8 in)	13 of 100 (Routine)
Swift Current	Canada	Record low minimum temperature	2.8 C (37.0 F)	12 of 100 (Routine)
Clermont Sirius St	Australia	Record daily precipitation	30.0 mm (1.2 in)	11 of 100 (Routine)
Falsterbo	Sweden	Record daily precipitation	6.7 mm (0.26 in)	11 of 100 (Routine)
Kisinev	Moldova	Record daily precipitation	7.3 mm (0.29 in)	10 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	10.2 mm (0.4 in)	10 of 100 (Routine)
Epping Chester Street	Australia	Record daily precipitation	14.2 mm (0.6 in)	9 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	4.4 C (39.9 F)	9 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	7.6 mm (0.30 in)	8 of 100 (Routine)
Bustard Head Lighthouse	Australia	Record daily precipitation	9.7 mm (0.38 in)	8 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	16.1 C (61.0 F)	8 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	25.5 C (77.9 F)	8 of 100 (Routine)
Port Douglas - Warner St	Australia	Record daily precipitation	9.1 mm (0.36 in)	7 of 100 (Routine)
Metten	Germany	Record daily precipitation	20.2 mm (0.8 in)	7 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high minimum temperature	14.0 C (57.2 F)	6 of 100 (Routine)
Vanersborg	Sweden	Record high minimum temperature	16.5 C (61.7 F)	6 of 100 (Routine)
Burdekin Shire Council	Australia	Record daily precipitation	28.7 mm (1.1 in)	4 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	26.5 C (79.7 F)	1 of 100 (Routine)
Halmstad	Sweden	Record high maximum temperature	27.0 C (80.6 F)	1 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	32.8 C (91.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

40 records

Records set or tied on 5 August 1917 by type: Highest daily maximum 6, Lowest daily maximum 1, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 26.

Records on 5 August 1917 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	1
Highest daily minimum	4
Lowest daily minimum	3
Heaviest daily rainfall	26
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 August 1917 by timescale: all-time 0, monthly 2, daily 38.

How Much Records Were Beaten By

36 broken records

Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.2. Ties are not counted.

Top 20 by Significance

5 August 1917

Top 20 records on 5 August 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 August 1917	Georgetown Post Office, AU	daily rain	48.0 mm (1.9 in)	48.0 mm (1.9 in)	43 years	57 of 100 (Notable)
5 August 1917	Charters Towers Post Office, AU	daily rain	66.0 mm (2.6 in)	60.2 mm (2.4 in)	16 years	47 of 100 (Notable)
5 August 1917	Sydney (Observatory Hill), AU	daily rain	31.8 mm (1.3 in)	18.6 mm (0.7 in)	37 years	32 of 100 (Routine)
5 August 1917	Mackay Post Office, AU	daily rain	41.9 mm (1.6 in)	33.0 mm (1.3 in)	19 years	31 of 100 (Routine)
5 August 1917	Nebo, AU	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	19 years	29 of 100 (Routine)
5 August 1917	Gilbert River Post Office, AU	daily rain	18.5 mm (0.7 in)	18.5 mm (0.7 in)	43 years	20 of 100 (Routine)
5 August 1917	Hughenden Post Office, AU	daily rain	16.8 mm (0.7 in)	15.5 mm (0.6 in)	19 years	20 of 100 (Routine)
5 August 1917	Emu Park Hill St, AU	daily rain	20.3 mm (0.8 in)	13.4 mm (0.5 in)	19 years	20 of 100 (Routine)
5 August 1917	San Diego Wbo, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	41 years	19 of 100 (Routine)
5 August 1917	Medicine Hat A, CA	daily low min	3.3 C (37.9 F)	2.8 C (5.0 F)	29 years	18 of 100 (Routine)
5 August 1917	Buffalo, US	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	40 years	17 of 100 (Routine)
5 August 1917	Cairns Post Office, AU	monthly rain	29.2 mm (1.1 in)	0.8 mm (0.03 in)	8 years	16 of 100 (Routine)
5 August 1917	Bowen Post Office, AU	daily rain	21.6 mm (0.9 in)	15.2 mm (0.6 in)	19 years	16 of 100 (Routine)
5 August 1917	Marlborough Post Office, AU	daily rain	22.9 mm (0.9 in)	10.7 mm (0.4 in)	19 years	15 of 100 (Routine)
5 August 1917	St Lawrence Post Office, AU	daily rain	15.0 mm (0.6 in)	9.7 mm (0.38 in)	19 years	15 of 100 (Routine)
5 August 1917	Brisbane Regional Office, AU	daily low max	16.3 C (61.3 F)	1.1 C (2.0 F)	29 years	15 of 100 (Routine)
5 August 1917	Nekarboo, AU	daily rain	11.4 mm (0.4 in)	4.3 mm (0.17 in)	23 years	15 of 100 (Routine)
5 August 1917	Koebenhavn: Landbohojskolen-1, DK	daily high max	30.3 C (86.5 F)	2.6 C (4.7 F)	12 years	15 of 100 (Routine)
5 August 1917	Botany No.1 Dam, AU	daily rain	17.3 mm (0.7 in)	2.8 mm (0.11 in)	27 years	14 of 100 (Routine)
5 August 1917	Bredasdorp, ZA	daily rain	5.1 mm (0.20 in)	0.8 mm (0.03 in)	31 years	14 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

1797 to 1917

Records set or tied on this calendar date in each year from 1797 to 1917. 1917 had 40 records.

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

Records on 08-05 in each year
Year	Records
1797	1
1806	2
1809	1
1830	3
1839	1
1841	1
1843	1
1846	1
1847	1
1857	1
1859	1
1860	1
1862	2
1864	1
1865	2
1866	1
1867	1
1868	2
1871	2
1874	2
1876	1
1880	1
1881	3
1882	3
1885	1
1886	1
1887	3
1888	2
1890	1
1891	1
1892	1
1893	3
1894	2
1895	3
1896	3
1897	1
1898	3
1899	11
1900	4
1901	3
1902	6
1903	18
1904	13
1905	22
1906	13
1907	14
1908	25
1909	21
1910	20
1911	16
1912	72
1913	18
1914	22
1915	83
1916	67
1917	40
1918	233
1919	40
1920	81
1921	53
1922	107
1923	180
1924	144
1925	84
1926	113
1927	230
1928	201
1929	243
1930	467
1931	426
1932	228
1933	341
1934	587
1935	422
1936	309
1937	288
1938	420
1939	275
1940	290
1941	443
1942	393
1943	436
1944	520
1945	311
1946	374
1947	710
1948	930
1949	375
1950	681
1951	557
1952	498
1953	1,043
1954	543
1955	640
1956	422
1957	518
1958	503
1959	438
1960	297
1961	823
1962	451
1963	311
1964	610
1965	265
1966	384
1967	347
1968	394
1969	708
1970	468
1971	748
1972	799
1973	983
1974	810
1975	692
1976	721
1977	583
1978	948
1979	561
1980	998
1981	754
1982	776
1983	1,090
1984	789
1985	845
1986	778
1987	1,061
1988	914
1989	915
1990	1,265
1991	828
1992	861
1993	1,145
1994	1,944
1995	1,205
1996	1,029
1997	1,144
1998	1,817
1999	834
2000	704
2001	986
2002	1,160
2003	1,340
2004	848
2005	1,026
2006	932
2007	787
2008	738
2009	777
2010	1,626
2011	1,347
2012	869
2013	436
2014	915
2015	520
2016	544
2017	888
2018	528
2019	533
2020	626
2021	641
2022	1,332
2023	1,087
2024	711
2025	775
2026	1,048

Download the Data

Data for records on 1917-08-05: 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 10	26
10 to 20	6
20 to 30	1
30 to 40	1
40 to 50	1
50 to 60	0
60 to 70	1