Weather Records on 29 June 1917

45 weather records were set or tied worldwide on 29 June 1917. Highest significance: Jonkoping, SE.

Key Facts for 29 June 1917

On 29 June 1917, 45 weather records were set or tied at long-record stations worldwide.
12 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 43 daily.
Jonkoping set a monthly record daily precipitation of 45.4 mm (1.8 in) on 29 June 1917.
Across 163 earlier years (1812 to 2026) the same calendar date averaged 452 records.

Record Map

45 stations

45 station records on 29 June 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 June 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jonkoping	Sweden	Record daily precipitation	45.4 mm (1.8 in)	46 of 100 (Notable)
Falun	Sweden	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Parry Sound	Canada	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Astoria	United States	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Northfield	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Oxford	United Kingdom	Record daily precipitation	41.8 mm (1.6 in)	24 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	38.9 mm (1.5 in)	23 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Umea	Sweden	Record daily precipitation	14.8 mm (0.6 in)	20 of 100 (Routine)
Vanersborg	Sweden	Record daily precipitation	30.2 mm (1.2 in)	20 of 100 (Routine)
Kingston Queens U	Canada	Record daily precipitation	24.4 mm (1.0 in)	19 of 100 (Routine)
Zagreb-Gric	Croatia	Record high maximum temperature	33.0 C (91.4 F)	17 of 100 (Routine)
Orskar_A	Sweden	Record daily precipitation	7.7 mm (0.30 in)	17 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	32.0 mm (1.3 in)	16 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	18.8 C (65.8 F)	16 of 100 (Routine)
Bjuraker	Sweden	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Brome	Canada	Record daily precipitation	22.9 mm (0.9 in)	14 of 100 (Routine)
Magdeburg	Germany	Record high maximum temperature	34.2 C (93.6 F)	14 of 100 (Routine)
Magdeburg	Germany	Record high minimum temperature	17.4 C (63.3 F)	14 of 100 (Routine)
Hanover	United States	Record daily precipitation	16.3 mm (0.6 in)	14 of 100 (Routine)
Rapid City Forrest	Canada	Record daily precipitation	11.7 mm (0.5 in)	12 of 100 (Routine)
Morden	Canada	Record daily precipitation	15.7 mm (0.6 in)	12 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	19.8 mm (0.8 in)	12 of 100 (Routine)
Burlington	United States	Record low maximum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	38.9 C (102.0 F)	12 of 100 (Routine)
Stony Mountain	Canada	Record low minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Maccue	Canada	Record daily precipitation	15.7 mm (0.6 in)	11 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	19.8 mm (0.8 in)	11 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	15.7 C (60.3 F)	11 of 100 (Routine)
Karlsruhe	Germany	Record daily precipitation	29.4 mm (1.2 in)	11 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	21.0 mm (0.8 in)	11 of 100 (Routine)
St. Petersburg	Russia	Record high maximum temperature	27.3 C (81.1 F)	11 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	19.9 mm (0.8 in)	11 of 100 (Routine)
Nurnberg	Germany	Record high maximum temperature	31.5 C (88.7 F)	10 of 100 (Routine)
Holmogadd A	Sweden	Record daily precipitation	13.3 mm (0.5 in)	10 of 100 (Routine)
Stratford	Canada	Record daily precipitation	32.5 mm (1.3 in)	9 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	17.8 C (64.0 F)	7 of 100 (Routine)
Gysinge	Sweden	Record daily precipitation	13.6 mm (0.5 in)	7 of 100 (Routine)
Echuca Aerodrome	Australia	Record daily precipitation	5.3 mm (0.21 in)	6 of 100 (Routine)
Irkutsk	Russia	Record high minimum temperature	14.9 C (58.8 F)	6 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	7.2 C (45.0 F)	4 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	16.5 C (61.7 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	7.0 C (44.6 F)	3 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	16.0 C (60.8 F)	1 of 100 (Routine)

Counts by Type and Timescale

45 records

Records set or tied on 29 June 1917 by type: Highest daily maximum 5, Lowest daily maximum 1, Highest daily minimum 7, Lowest daily minimum 3, Heaviest daily rainfall 29.

Records on 29 June 1917 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	1
Highest daily minimum	7
Lowest daily minimum	3
Heaviest daily rainfall	29
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 29 June 1917 by timescale: all-time 0, monthly 2, daily 43.

How Much Records Were Beaten By

41 broken records

Margins by which the 41 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.3. Ties are not counted.

Top 20 by Significance

29 June 1917

Top 20 records on 29 June 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 June 1917	Jonkoping, SE	monthly rain	45.4 mm (1.8 in)	8.5 mm (0.33 in)	55 years	46 of 100 (Notable)
29 June 1917	Falun, SE	daily rain	27.9 mm (1.1 in)	15.3 mm (0.6 in)	44 years	44 of 100 (Notable)
29 June 1917	Parry Sound, CA	daily rain	48.3 mm (1.9 in)	18.3 mm (0.7 in)	11 years	31 of 100 (Routine)
29 June 1917	Sevastopol',Mgs, UA	daily rain	28.4 mm (1.1 in)	16.4 mm (0.6 in)	17 years	29 of 100 (Routine)
29 June 1917	Astoria, US	daily rain	29.5 mm (1.2 in)	13.2 mm (0.5 in)	27 years	28 of 100 (Routine)
29 June 1917	Northfield, US	daily rain	25.4 mm (1.0 in)	17.3 mm (0.7 in)	3 years	26 of 100 (Routine)
29 June 1917	Oxford, GB	daily rain	41.8 mm (1.6 in)	7.3 mm (0.29 in)	11 years	24 of 100 (Routine)
29 June 1917	Port Dover, CA	daily rain	38.9 mm (1.5 in)	13.2 mm (0.5 in)	15 years	23 of 100 (Routine)
29 June 1917	Skara 1, SE	daily rain	20.1 mm (0.8 in)	7.2 mm (0.28 in)	28 years	20 of 100 (Routine)
29 June 1917	Umea, SE	daily rain	14.8 mm (0.6 in)	4.0 mm (0.16 in)	36 years	20 of 100 (Routine)
29 June 1917	Vanersborg, SE	daily rain	30.2 mm (1.2 in)	4.9 mm (0.19 in)	28 years	20 of 100 (Routine)
29 June 1917	Kingston Queens U, CA	daily rain	24.4 mm (1.0 in)	9.9 mm (0.39 in)	19 years	19 of 100 (Routine)
29 June 1917	Zagreb-Gric, HR	monthly high max	33.0 C (91.4 F)	0.7 C (1.3 F)	11 years	17 of 100 (Routine)
29 June 1917	Orskar_A, SE	daily rain	7.7 mm (0.30 in)	3.2 mm (0.13 in)	26 years	17 of 100 (Routine)
29 June 1917	Montreal McGill, CA	daily rain	32.0 mm (1.3 in)	10.7 mm (0.4 in)	3 years	16 of 100 (Routine)
29 June 1917	St. Petersburg, RU	daily high min	18.8 C (65.8 F)	2.4 C (4.3 F)	25 years	16 of 100 (Routine)
29 June 1917	Bjuraker, SE	daily rain	18.0 mm (0.7 in)	4.0 mm (0.16 in)	16 years	16 of 100 (Routine)
29 June 1917	Brome, CA	daily rain	22.9 mm (0.9 in)	11.5 mm (0.5 in)	3 years	14 of 100 (Routine)
29 June 1917	Magdeburg, DE	daily high max	34.2 C (93.6 F)	1.9 C (3.4 F)	24 years	14 of 100 (Routine)
29 June 1917	Magdeburg, DE	daily high min	17.4 C (63.3 F)	0.7 C (1.3 F)	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

1812 to 1917

Records set or tied on this calendar date in each year from 1812 to 1917. 1917 had 45 records.

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

Records on 06-29 in each year
Year	Records
1812	1
1829	1
1834	2
1835	2
1843	1
1844	1
1846	1
1848	1
1849	1
1854	1
1857	2
1858	1
1861	1
1863	1
1865	2
1869	1
1871	1
1873	2
1878	1
1879	1
1881	1
1883	2
1884	3
1885	1
1886	1
1887	5
1888	2
1889	1
1890	5
1891	1
1892	5
1893	2
1895	1
1896	6
1897	2
1898	2
1899	6
1900	4
1901	10
1902	18
1903	7
1904	8
1905	22
1906	36
1907	16
1908	9
1909	19
1910	107
1911	22
1912	23
1913	73
1914	58
1915	54
1916	87
1917	45
1918	51
1919	85
1920	257
1921	74
1922	134
1923	326
1924	128
1925	135
1926	134
1927	153
1928	186
1929	185
1930	285
1931	935
1932	141
1933	590
1934	735
1935	298
1936	682
1937	344
1938	418
1939	452
1940	353
1941	396
1942	310
1943	515
1944	325
1945	604
1946	566
1947	497
1948	423
1949	409
1950	393
1951	439
1952	730
1953	322
1954	384
1955	452
1956	542
1957	572
1958	454
1959	733
1960	266
1961	374
1962	269
1963	742
1964	297
1965	407
1966	492
1967	315
1968	748
1969	561
1970	814
1971	494
1972	574
1973	730
1974	804
1975	552
1976	558
1977	664
1978	929
1979	517
1980	984
1981	807
1982	1,150
1983	1,298
1984	719
1985	925
1986	673
1987	739
1988	1,074
1989	915
1990	932
1991	1,346
1992	1,328
1993	840
1994	1,227
1995	1,101
1996	1,032
1997	1,143
1998	1,448
1999	1,147
2000	1,151
2001	625
2002	929
2003	1,014
2004	1,013
2005	1,247
2006	793
2007	935
2008	780
2009	890
2010	1,041
2011	1,171
2012	1,374
2013	900
2014	606
2015	1,119
2016	419
2017	688
2018	590
2019	732
2020	1,249
2021	1,623
2022	759
2023	486
2024	948
2025	623
2026	1,299

Download the Data

Data for records on 1917-06-29: 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	14
3 to 5	12
5 to 8	4
8 to 10	3
10 to 13	2
13 to 15	2
15 to 18	3
18 to 20	1