Weather Records on 17 June 1918

36 weather records were set or tied worldwide on 17 June 1918. Highest significance: Putbus, DE.

Key Facts for 17 June 1918

On 17 June 1918, 36 weather records were set or tied at long-record stations worldwide.
13 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 35 daily.
Putbus set a daily record precipitation of 25.8 mm (1.0 in) on 17 June 1918.
Across 162 earlier years (1807 to 2026) the same calendar date averaged 433 records.

Record Map

36 stations

36 station records on 17 June 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 June 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Putbus	Germany	Record daily precipitation	25.8 mm (1.0 in)	35 of 100 (Notable)
Morgantown 1	United States	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	76.5 mm (3.0 in)	22 of 100 (Routine)
Sandvig	Denmark	Record daily precipitation	21.2 mm (0.8 in)	20 of 100 (Routine)
Mount Macedon	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Little Rock St Capitol	United States	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Holbrook (Rsl)	Australia	Record daily precipitation	20.1 mm (0.8 in)	17 of 100 (Routine)
Hambantota	Sri Lanka	Record low minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record daily precipitation	17.0 mm (0.7 in)	17 of 100 (Routine)
Little Rock St Capitol	United States	Record high minimum temperature	25.6 C (78.1 F)	17 of 100 (Routine)
Victoria Valley	Australia	Record daily precipitation	14.7 mm (0.6 in)	16 of 100 (Routine)
Salekhard	Russia	Record daily precipitation	13.4 mm (0.5 in)	16 of 100 (Routine)
Branxholme (Bassett)	Australia	Record daily precipitation	19.6 mm (0.8 in)	15 of 100 (Routine)
Astana	Kazakhstan	Record daily precipitation	7.8 mm (0.31 in)	15 of 100 (Routine)
Lock #4	United States	Record daily precipitation	32.0 mm (1.3 in)	15 of 100 (Routine)
Freiburg	Germany	Record low maximum temperature	12.9 C (55.2 F)	13 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high minimum temperature	22.8 C (73.0 F)	13 of 100 (Routine)
Surgut	Russia	Record daily precipitation	14.0 mm (0.6 in)	12 of 100 (Routine)
Hano_A	Sweden	Record daily precipitation	9.1 mm (0.36 in)	12 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	12 of 100 (Routine)
Lenoir	United States	Record daily precipitation	23.9 mm (0.9 in)	10 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	38.3 C (100.9 F)	10 of 100 (Routine)
Walhalla	Australia	Record daily precipitation	15.2 mm (0.6 in)	9 of 100 (Routine)
Asheville	United States	Record daily precipitation	18.3 mm (0.7 in)	9 of 100 (Routine)
Bass (Kilcunda)	Australia	Record daily precipitation	12.7 mm (0.5 in)	7 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	16.7 C (62.1 F)	6 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	4.4 C (39.9 F)	5 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	12.8 C (55.0 F)	4 of 100 (Routine)
Montgomery Wb City	United States	Record high maximum temperature	37.8 C (100.0 F)	3 of 100 (Routine)
Newport	United States	Record high maximum temperature	38.3 C (100.9 F)	2 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	37.2 C (99.0 F)	2 of 100 (Routine)
Concordia ASOS	United States	Record high minimum temperature	23.9 C (75.0 F)	2 of 100 (Routine)
Alice Springs Post Office	Australia	Record high maximum temperature	29.4 C (84.9 F)	1 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	14.4 C (57.9 F)	1 of 100 (Routine)

Counts by Type and Timescale

36 records

Records set or tied on 17 June 1918 by type: Highest daily maximum 7, Lowest daily maximum 2, Highest daily minimum 6, Lowest daily minimum 2, Heaviest daily rainfall 19.

Records on 17 June 1918 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	2
Highest daily minimum	6
Lowest daily minimum	2
Heaviest daily rainfall	19
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 June 1918 by timescale: all-time 0, monthly 1, daily 35.

How Much Records Were Beaten By

29 broken records

Margins by which the 29 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 16.8. Ties are not counted.

Top 20 by Significance

17 June 1918

Top 20 records on 17 June 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 June 1918	Putbus, DE	daily rain	25.8 mm (1.0 in)	7.4 mm (0.29 in)	53 years	35 of 100 (Notable)
17 June 1918	Morgantown 1, US	daily rain	35.6 mm (1.4 in)	16.8 mm (0.7 in)	8 years	24 of 100 (Routine)
17 June 1918	San Diego Wbo, US	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	41 years	23 of 100 (Routine)
17 June 1918	Rowlesburg 1, US	monthly rain	76.5 mm (3.0 in)	7.9 mm (0.31 in)	7 years	22 of 100 (Routine)
17 June 1918	Sandvig, DK	daily rain	21.2 mm (0.8 in)	8.8 mm (0.35 in)	39 years	20 of 100 (Routine)
17 June 1918	Mount Macedon, AU	daily rain	24.1 mm (0.9 in)	11.9 mm (0.5 in)	12 years	20 of 100 (Routine)
17 June 1918	Leipzig-Holzhausen, DE	daily rain	22.1 mm (0.9 in)	4.8 mm (0.19 in)	32 years	20 of 100 (Routine)
17 June 1918	Little Rock St Capitol, US	daily high max	37.2 C (99.0 F)	1.6 C (2.9 F)	36 years	19 of 100 (Routine)
17 June 1918	Holbrook (Rsl), AU	daily rain	20.1 mm (0.8 in)	4.6 mm (0.18 in)	31 years	17 of 100 (Routine)
17 June 1918	Hambantota, LK	daily low min	22.2 C (72.0 F)	0.5 C (0.9 F)	24 years	17 of 100 (Routine)
17 June 1918	Berlin-Dahlem (Lfag), DE	daily rain	17.0 mm (0.7 in)	3.2 mm (0.13 in)	27 years	17 of 100 (Routine)
17 June 1918	Little Rock St Capitol, US	daily high min	25.6 C (78.1 F)	0.6 C (1.1 F)	36 years	17 of 100 (Routine)
17 June 1918	Victoria Valley, AU	daily rain	14.7 mm (0.6 in)	5.3 mm (0.21 in)	17 years	16 of 100 (Routine)
17 June 1918	Salekhard, RU	daily rain	13.4 mm (0.5 in)	6.4 mm (0.25 in)	1 year	16 of 100 (Routine)
17 June 1918	Branxholme (Bassett), AU	daily rain	19.6 mm (0.8 in)	4.6 mm (0.18 in)	16 years	15 of 100 (Routine)
17 June 1918	Astana, KZ	daily rain	7.8 mm (0.31 in)	2.0 mm (0.08 in)	32 years	15 of 100 (Routine)
17 June 1918	Lock #4, US	daily rain	32.0 mm (1.3 in)	3.0 mm (0.12 in)	31 years	15 of 100 (Routine)
17 June 1918	Freiburg, DE	daily low max	12.9 C (55.2 F)	1.1 C (2.0 F)	29 years	13 of 100 (Routine)
17 June 1918	Lincoln UNIV Pwr Plt, US	daily high min	22.8 C (73.0 F)	1.1 C (2.0 F)	29 years	13 of 100 (Routine)
17 June 1918	Surgut, RU	daily rain	14.0 mm (0.6 in)	2.4 mm (0.09 in)	18 years	12 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

1807 to 1918

Records set or tied on this calendar date in each year from 1807 to 1918. 1918 had 36 records.

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

Records on 06-17 in each year
Year	Records
1807	2
1810	1
1811	1
1830	1
1837	1
1839	1
1840	1
1845	1
1846	1
1848	1
1855	1
1866	2
1867	1
1869	2
1872	1
1873	1
1874	1
1875	1
1878	1
1879	1
1882	3
1883	1
1884	1
1885	3
1886	3
1887	2
1888	2
1889	1
1890	1
1892	3
1894	1
1895	7
1896	3
1897	2
1898	1
1899	2
1900	6
1901	9
1902	4
1903	8
1904	4
1905	12
1906	22
1907	20
1908	26
1909	13
1910	9
1911	22
1912	47
1913	45
1914	101
1915	20
1916	103
1917	68
1918	36
1919	58
1920	79
1921	52
1922	59
1923	110
1924	80
1925	136
1926	193
1927	357
1928	137
1929	238
1930	354
1931	194
1932	257
1933	413
1934	310
1935	338
1936	484
1937	284
1938	245
1939	1,206
1940	454
1941	250
1942	286
1943	289
1944	623
1945	614
1946	419
1947	336
1948	452
1949	571
1950	506
1951	208
1952	752
1953	455
1954	488
1955	570
1956	375
1957	761
1958	597
1959	507
1960	511
1961	1,319
1962	323
1963	383
1964	794
1965	763
1966	464
1967	402
1968	403
1969	700
1970	435
1971	407
1972	437
1973	701
1974	932
1975	453
1976	430
1977	410
1978	589
1979	646
1980	754
1981	1,201
1982	642
1983	728
1984	644
1985	693
1986	912
1987	1,078
1988	712
1989	870
1990	932
1991	1,094
1992	795
1993	684
1994	1,186
1995	1,350
1996	750
1997	1,056
1998	1,661
1999	1,260
2000	1,460
2001	678
2002	1,148
2003	647
2004	839
2005	914
2006	724
2007	839
2008	656
2009	739
2010	1,104
2011	922
2012	792
2013	610
2014	685
2015	1,113
2016	874
2017	692
2018	1,050
2019	551
2020	914
2021	1,980
2022	1,209
2023	617
2024	839
2025	593
2026	743

Download the Data

Data for records on 1918-06-17: 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	16
3 to 5	5
5 to 8	4
8 to 10	2
10 to 13	1
13 to 15	0
15 to 18	1