Weather Records on 28 June 1918

46 weather records were set or tied worldwide on 28 June 1918. Highest significance: Jonkoping, SE.

Key Facts for 28 June 1918

On 28 June 1918, 46 weather records were set or tied at long-record stations worldwide.
3 were record highs and 28 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 46 daily.
Jonkoping set a daily record precipitation of 31.8 mm (1.3 in) on 28 June 1918.
Across 158 earlier years (1815 to 2026) the same calendar date averaged 471 records.

Record Map

46 stations

46 station records on 28 June 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 June 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jonkoping	Sweden	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record low minimum temperature	8.7 C (47.7 F)	33 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	40.7 mm (1.6 in)	31 of 100 (Routine)
Winterswijk	Netherlands	Record daily precipitation	28.2 mm (1.1 in)	24 of 100 (Routine)
Frankfurt/Main (Feldbergstr.)	Germany	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Edmonton	Canada	Record low maximum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Violet Town	Australia	Record daily precipitation	13.2 mm (0.5 in)	18 of 100 (Routine)
Outtrim	Australia	Record daily precipitation	15.2 mm (0.6 in)	17 of 100 (Routine)
St John's	Canada	Record high maximum temperature	26.7 C (80.1 F)	17 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low minimum temperature	-0.3 C (31.5 F)	17 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	17.8 C (64.0 F)	17 of 100 (Routine)
Halifax	Canada	Record low maximum temperature	11.1 C (52.0 F)	16 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	8.2 mm (0.32 in)	15 of 100 (Routine)
Portland	United States	Record low maximum temperature	11.1 C (52.0 F)	15 of 100 (Routine)
Mount Macedon	Australia	Record daily precipitation	15.5 mm (0.6 in)	14 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low maximum temperature	15.6 C (60.1 F)	14 of 100 (Routine)
Prince Albert	Canada	Record daily precipitation	14.7 mm (0.6 in)	13 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	11.7 C (53.1 F)	13 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	13.5 C (56.3 F)	13 of 100 (Routine)
St Albans	Canada	Record low maximum temperature	13.9 C (57.0 F)	12 of 100 (Routine)
Belle Isle	Canada	Record low minimum temperature	-1.7 C (28.9 F)	11 of 100 (Routine)
Brundah	Australia	Record daily precipitation	4.1 mm (0.16 in)	10 of 100 (Routine)
Coldwater	Canada	Record high minimum temperature	18.3 C (64.9 F)	10 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	16.3 C (61.3 F)	10 of 100 (Routine)
Wychitella South	Australia	Record daily precipitation	10.2 mm (0.4 in)	9 of 100 (Routine)
Helmond	Netherlands	Record daily precipitation	14.4 mm (0.6 in)	9 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	16.6 C (61.9 F)	9 of 100 (Routine)
Concord	United States	Record low maximum temperature	16.7 C (62.1 F)	9 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	8.9 C (48.0 F)	7 of 100 (Routine)
Buangor 1	Australia	Record daily precipitation	8.9 mm (0.35 in)	6 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	6.4 C (43.5 F)	6 of 100 (Routine)
Kristianstad	Sweden	Record low maximum temperature	16.0 C (60.8 F)	6 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	13.0 C (55.4 F)	5 of 100 (Routine)
Harnosand	Sweden	Record low maximum temperature	11.5 C (52.7 F)	5 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	12.8 C (55.0 F)	5 of 100 (Routine)
Wrixum/Fohr	Germany	Record low minimum temperature	9.6 C (49.3 F)	4 of 100 (Routine)
Stony Mountain	Canada	Record low maximum temperature	16.7 C (62.1 F)	3 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	9.5 C (49.1 F)	3 of 100 (Routine)
Tarkastad (Pol)	South Africa	Record daily precipitation	1.3 mm (0.05 in)	2 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	7.0 C (44.6 F)	2 of 100 (Routine)
Setauket Strong	United States	Record low maximum temperature	19.4 C (66.9 F)	2 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	17.0 C (62.6 F)	1 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	6.7 C (44.1 F)	1 of 100 (Routine)
Huron Rgnl AP	United States	Record low maximum temperature	21.7 C (71.1 F)	1 of 100 (Routine)

Counts by Type and Timescale

46 records

Records set or tied on 28 June 1918 by type: Highest daily maximum 1, Lowest daily maximum 18, Highest daily minimum 2, Lowest daily minimum 10, Heaviest daily rainfall 15.

Records on 28 June 1918 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	18
Highest daily minimum	2
Lowest daily minimum	10
Heaviest daily rainfall	15
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 June 1918 by timescale: all-time 0, monthly 0, daily 46.

How Much Records Were Beaten By

38 broken records

Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.5. Ties are not counted.

Top 20 by Significance

28 June 1918

Top 20 records on 28 June 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 June 1918	Jonkoping, SE	daily rain	31.8 mm (1.3 in)	16.7 mm (0.7 in)	19 years	38 of 100 (Notable)
28 June 1918	Praha-Klementinum, CZ	daily low min	8.7 C (47.7 F)	0.1 C (0.2 F)	77 years	33 of 100 (Routine)
28 June 1918	Irkutsk, RU	daily rain	40.7 mm (1.6 in)	20.5 mm (0.8 in)	1 year	31 of 100 (Routine)
28 June 1918	Winterswijk, NL	daily rain	28.2 mm (1.1 in)	12.5 mm (0.5 in)	8 years	24 of 100 (Routine)
28 June 1918	Frankfurt/Main (Feldbergstr.), DE	daily rain	19.3 mm (0.8 in)	2.8 mm (0.11 in)	43 years	20 of 100 (Routine)
28 June 1918	Edmonton, CA	daily low max	13.3 C (55.9 F)	3.4 C (6.1 F)	33 years	20 of 100 (Routine)
28 June 1918	Enisejsk, RU	daily rain	14.7 mm (0.6 in)	7.4 mm (0.29 in)	12 years	20 of 100 (Routine)
28 June 1918	Blue Hill Coop, US	daily low max	11.1 C (52.0 F)	4.5 C (8.1 F)	29 years	20 of 100 (Routine)
28 June 1918	Violet Town, AU	daily rain	13.2 mm (0.5 in)	5.1 mm (0.20 in)	33 years	18 of 100 (Routine)
28 June 1918	Outtrim, AU	daily rain	15.2 mm (0.6 in)	7.6 mm (0.30 in)	22 years	17 of 100 (Routine)
28 June 1918	St John's, CA	daily high max	26.7 C (80.1 F)	0.6 C (1.1 F)	42 years	17 of 100 (Routine)
28 June 1918	Ilulissat (Jakobshavn), GL	daily low min	-0.3 C (31.5 F)	0.3 C (0.5 F)	41 years	17 of 100 (Routine)
28 June 1918	Cape May 2 NW, US	daily low max	17.8 C (64.0 F)	3.3 C (5.9 F)	18 years	17 of 100 (Routine)
28 June 1918	Halifax, CA	daily low max	11.1 C (52.0 F)	2.2 C (4.0 F)	26 years	16 of 100 (Routine)
28 June 1918	Orskar_A, SE	daily rain	8.2 mm (0.32 in)	3.0 mm (0.12 in)	22 years	15 of 100 (Routine)
28 June 1918	Portland, US	daily low max	11.1 C (52.0 F)	2.8 C (5.0 F)	22 years	15 of 100 (Routine)
28 June 1918	Mount Macedon, AU	daily rain	15.5 mm (0.6 in)	4.6 mm (0.18 in)	17 years	14 of 100 (Routine)
28 June 1918	Winnipeg St Johns Coll, CA	daily low max	15.6 C (60.1 F)	1.6 C (2.9 F)	25 years	14 of 100 (Routine)
28 June 1918	Prince Albert, CA	daily rain	14.7 mm (0.6 in)	4.0 mm (0.16 in)	19 years	13 of 100 (Routine)
28 June 1918	Minnedosa, CA	daily low max	11.7 C (53.1 F)	4.4 C (7.9 F)	7 years	13 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 1918

Records set or tied on this calendar date in each year from 1815 to 1918. 1918 had 46 records.

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

Records on 06-28 in each year
Year	Records
1815	1
1823	1
1824	1
1827	1
1834	1
1835	2
1840	1
1841	1
1857	1
1860	1
1861	2
1862	1
1863	1
1864	1
1865	1
1867	1
1876	2
1878	1
1879	1
1880	1
1884	1
1887	3
1888	4
1889	2
1890	5
1891	1
1892	4
1893	5
1895	1
1896	2
1898	3
1899	2
1900	2
1901	19
1902	8
1903	2
1904	12
1905	19
1906	24
1907	12
1908	10
1909	26
1910	51
1911	30
1912	21
1913	57
1914	50
1915	64
1916	99
1917	20
1918	46
1919	69
1920	146
1921	68
1922	45
1923	222
1924	105
1925	168
1926	335
1927	256
1928	176
1929	146
1930	195
1931	843
1932	218
1933	475
1934	594
1935	332
1936	556
1937	378
1938	591
1939	333
1940	256
1941	454
1942	570
1943	422
1944	386
1945	489
1946	401
1947	818
1948	435
1949	316
1950	340
1951	420
1952	685
1953	293
1954	427
1955	369
1956	582
1957	636
1958	749
1959	647
1960	290
1961	405
1962	333
1963	672
1964	328
1965	363
1966	394
1967	398
1968	1,286
1969	961
1970	897
1971	629
1972	503
1973	696
1974	953
1975	611
1976	661
1977	397
1978	797
1979	542
1980	1,754
1981	870
1982	737
1983	1,336
1984	448
1985	1,223
1986	657
1987	615
1988	1,224
1989	736
1990	1,006
1991	1,389
1992	1,306
1993	753
1994	1,209
1995	959
1996	1,094
1997	860
1998	1,271
1999	1,348
2000	1,297
2001	712
2002	1,020
2003	748
2004	965
2005	995
2006	1,051
2007	1,086
2008	554
2009	839
2010	1,186
2011	1,051
2012	1,204
2013	934
2014	695
2015	1,257
2016	424
2017	595
2018	711
2019	685
2020	915
2021	1,472
2022	853
2023	619
2024	694
2025	454
2026	1,942

Download the Data

Data for records on 1918-06-28: 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).

Histogram of margins by which records were beaten on 28 June 1918
Margin	Records
0 to 5	32
5 to 10	3
10 to 15	1
15 to 20	1
20 to 25	1