Weather Records on 27 June 1918

35 weather records were set or tied worldwide on 27 June 1918. Highest significance: Praha-Klementinum, CZ.

Key Facts for 27 June 1918

On 27 June 1918, 35 weather records were set or tied at long-record stations worldwide.
4 were record highs and 26 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 35 daily.
Praha-Klementinum set a daily record low minimum temperature of 7.5 C (45.5 F) on 27 June 1918.
Across 164 earlier years (1799 to 2026) the same calendar date averaged 449 records.

Record Map

35 stations

35 station records on 27 June 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 June 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Praha-Klementinum	Czech Republic	Record low minimum temperature	7.5 C (45.5 F)	37 of 100 (Notable)
Wien	Austria	Record low minimum temperature	9.0 C (48.2 F)	26 of 100 (Routine)
Moose Factory	Canada	Record high minimum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low minimum temperature	-1.1 C (30.0 F)	18 of 100 (Routine)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	4.3 mm (0.17 in)	18 of 100 (Routine)
Sterling	South Africa	Record daily precipitation	1.8 mm (0.07 in)	17 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	12.3 C (54.1 F)	15 of 100 (Routine)
Karlsruhe	Germany	Record low minimum temperature	6.4 C (43.5 F)	14 of 100 (Routine)
Willowmore	South Africa	Record daily precipitation	4.6 mm (0.18 in)	14 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	5.4 C (41.7 F)	13 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	17.4 C (63.3 F)	13 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-1.7 C (28.9 F)	12 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	16.7 mm (0.7 in)	12 of 100 (Routine)
Grenfell	Canada	Record daily precipitation	16.0 mm (0.6 in)	11 of 100 (Routine)
St Albans	Canada	Record low maximum temperature	16.7 C (62.1 F)	11 of 100 (Routine)
Port Arthur	Canada	Record low maximum temperature	13.3 C (55.9 F)	11 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	8.4 C (47.1 F)	11 of 100 (Routine)
Sacramento 5 ESE	United States	Record high maximum temperature	38.9 C (102.0 F)	10 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	16.1 C (61.0 F)	9 of 100 (Routine)
Kristianstad	Sweden	Record low maximum temperature	15.5 C (59.9 F)	9 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	14.0 C (57.2 F)	9 of 100 (Routine)
Innsbruck	Austria	Record low maximum temperature	13.4 C (56.1 F)	8 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	5.0 C (41.0 F)	8 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	16.1 C (61.0 F)	8 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low maximum temperature	13.1 C (55.6 F)	8 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	14.0 C (57.2 F)	7 of 100 (Routine)
Nordby (Fano)	Denmark	Record low maximum temperature	13.0 C (55.4 F)	6 of 100 (Routine)
Vanersborg	Sweden	Record low maximum temperature	14.4 C (57.9 F)	6 of 100 (Routine)
Saentis	Switzerland	Record low minimum temperature	-3.6 C (25.5 F)	6 of 100 (Routine)
San Diego Wbo	United States	Record high minimum temperature	17.2 C (63.0 F)	3 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	15.6 C (60.1 F)	2 of 100 (Routine)
Jonkoping	Sweden	Record low maximum temperature	15.0 C (59.0 F)	1 of 100 (Routine)
Skara 1	Sweden	Record low maximum temperature	14.0 C (57.2 F)	1 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	21.1 C (70.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

35 records

Records set or tied on 27 June 1918 by type: Highest daily maximum 1, Lowest daily maximum 16, Highest daily minimum 3, Lowest daily minimum 10, Heaviest daily rainfall 5.

Records on 27 June 1918 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	16
Highest daily minimum	3
Lowest daily minimum	10
Heaviest daily rainfall	5
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 June 1918 by timescale: all-time 0, monthly 0, daily 35.

How Much Records Were Beaten By

30 broken records

Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 4.3. Ties are not counted.

Top 20 by Significance

27 June 1918

Top 20 records on 27 June 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 June 1918	Praha-Klementinum, CZ	daily low min	7.5 C (45.5 F)	1.3 C (2.3 F)	77 years	37 of 100 (Notable)
27 June 1918	Wien, AT	daily low min	9.0 C (48.2 F)	1.4 C (2.5 F)	52 years	26 of 100 (Routine)
27 June 1918	Moose Factory, CA	daily high min	16.7 C (62.1 F)	2.3 C (4.1 F)	37 years	19 of 100 (Routine)
27 June 1918	Ilulissat (Jakobshavn), GL	daily low min	-1.1 C (30.0 F)	1.6 C (2.9 F)	27 years	18 of 100 (Routine)
27 June 1918	Nieu-Bethesda (Pol), ZA	daily rain	4.3 mm (0.17 in)	4.3 mm (0.17 in)	31 years	18 of 100 (Routine)
27 June 1918	Sterling, ZA	daily rain	1.8 mm (0.07 in)	1.8 mm (0.07 in)	39 years	17 of 100 (Routine)
27 June 1918	Nurnberg, DE	daily low min	5.0 C (41.0 F)	2.0 C (3.6 F)	22 years	16 of 100 (Routine)
27 June 1918	Vestervig, DK	daily low max	12.3 C (54.1 F)	1.2 C (2.2 F)	27 years	15 of 100 (Routine)
27 June 1918	Karlsruhe, DE	daily low min	6.4 C (43.5 F)	1.6 C (2.9 F)	16 years	14 of 100 (Routine)
27 June 1918	Willowmore, ZA	daily rain	4.6 mm (0.18 in)	2.3 mm (0.09 in)	20 years	14 of 100 (Routine)
27 June 1918	Uccle, BE	daily low min	5.4 C (41.7 F)	1.5 C (2.7 F)	0 years	13 of 100 (Routine)
27 June 1918	Ekaterinburg, RU	daily high min	17.4 C (63.3 F)	1.4 C (2.5 F)	25 years	13 of 100 (Routine)
27 June 1918	Belle Isle, CA	daily low min	-1.7 C (28.9 F)	1.7 C (3.1 F)	15 years	12 of 100 (Routine)
27 June 1918	Irkutsk, RU	daily rain	16.7 mm (0.7 in)	3.8 mm (0.15 in)	15 years	12 of 100 (Routine)
27 June 1918	Grenfell, CA	daily rain	16.0 mm (0.6 in)	0.3 mm (0.01 in)	27 years	11 of 100 (Routine)
27 June 1918	St Albans, CA	daily low max	16.7 C (62.1 F)	1.6 C (2.9 F)	22 years	11 of 100 (Routine)
27 June 1918	Port Arthur, CA	daily low max	13.3 C (55.9 F)	0.6 C (1.1 F)	22 years	11 of 100 (Routine)
27 June 1918	Freiburg, DE	daily low min	8.4 C (47.1 F)	0.8 C (1.4 F)	21 years	11 of 100 (Routine)
27 June 1918	Sacramento 5 ESE, US	daily high max	38.9 C (102.0 F)	1.1 C (2.0 F)	15 years	10 of 100 (Routine)
27 June 1918	Koebenhavn: Landbohojskolen-1, DK	daily low max	16.1 C (61.0 F)	0.3 C (0.5 F)	16 years	9 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

1799 to 1918

Records set or tied on this calendar date in each year from 1799 to 1918. 1918 had 35 records.

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

Records on 06-27 in each year
Year	Records
1799	1
1808	1
1811	1
1815	1
1830	2
1840	1
1841	2
1843	1
1849	1
1856	1
1857	1
1860	1
1863	2
1864	1
1868	2
1870	2
1871	2
1874	2
1875	1
1878	3
1880	2
1881	1
1883	2
1884	1
1885	4
1886	2
1887	3
1888	1
1889	1
1890	3
1891	3
1892	1
1893	1
1894	1
1895	2
1896	1
1898	6
1899	1
1900	4
1901	11
1902	8
1903	4
1904	7
1905	23
1906	12
1907	5
1908	10
1909	39
1910	33
1911	23
1912	24
1913	47
1914	38
1915	52
1916	259
1917	13
1918	35
1919	62
1920	34
1921	66
1922	92
1923	161
1924	81
1925	164
1926	281
1927	272
1928	219
1929	145
1930	245
1931	723
1932	287
1933	479
1934	587
1935	327
1936	555
1937	336
1938	552
1939	289
1940	337
1941	452
1942	497
1943	510
1944	586
1945	603
1946	317
1947	771
1948	403
1949	456
1950	433
1951	472
1952	988
1953	358
1954	495
1955	417
1956	503
1957	617
1958	836
1959	537
1960	344
1961	601
1962	291
1963	520
1964	258
1965	732
1966	401
1967	487
1968	1,359
1969	1,101
1970	1,059
1971	526
1972	446
1973	763
1974	1,078
1975	591
1976	679
1977	356
1978	918
1979	673
1980	1,242
1981	794
1982	778
1983	950
1984	475
1985	1,031
1986	656
1987	757
1988	1,130
1989	617
1990	1,248
1991	1,113
1992	1,063
1993	722
1994	1,382
1995	722
1996	997
1997	833
1998	1,312
1999	1,061
2000	1,125
2001	758
2002	989
2003	1,010
2004	855
2005	801
2006	1,177
2007	1,287
2008	570
2009	1,015
2010	1,006
2011	965
2012	1,334
2013	743
2014	632
2015	1,136
2016	494
2017	527
2018	652
2019	761
2020	592
2021	1,248
2022	1,003
2023	565
2024	921
2025	466
2026	1,656

Download the Data

Data for records on 1918-06-27: 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).

Histogram of margins by which records were beaten on 27 June 1918
Margin	Records
0 to 1	9
1 to 2	16
2 to 3	3
3 to 4	1
4 to 5	1