Weather Records on 20 June 1917
96 weather records were set or tied worldwide on 20 June 1917. Highest significance: Jena Sternwarte, DE.
Key Facts for 20 June 1917
- On 20 June 1917, 96 weather records were set or tied at long-record stations worldwide.
- 59 were record highs and 5 were record lows, counting maximum and minimum temperature.
- By timescale, 1 were all-time records, 8 monthly and 87 daily.
- Jena Sternwarte set a daily record high maximum temperature of 33.8 C (92.8 F) on 20 June 1917.
- Across 158 earlier years (1800 to 2026) the same calendar date averaged 460 records.
Record Map
96 stations| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Jena Sternwarte | Germany | Record high maximum temperature | 33.8 C (92.8 F) | 33 of 100 (Routine) |
| Uppsala_Aut | Sweden | Record high minimum temperature | 17.1 C (62.8 F) | 32 of 100 (Routine) |
| Sandvig | Denmark | Record high maximum temperature | 32.7 C (90.9 F) | 29 of 100 (Routine) |
| Beatrice | Canada | Record daily precipitation | 35.1 mm (1.4 in) | 28 of 100 (Routine) |
| Koebenhavn: Landbohojskolen-1 | Denmark | Record high maximum temperature | 30.2 C (86.4 F) | 28 of 100 (Routine) |
| Vestervig | Denmark | Record high minimum temperature | 17.5 C (63.5 F) | 26 of 100 (Routine) |
| Tranebjerg | Denmark | Record high minimum temperature | 17.6 C (63.7 F) | 24 of 100 (Routine) |
| Sandvig | Denmark | Record high minimum temperature | 19.3 C (66.7 F) | 24 of 100 (Routine) |
| Vasteras-Hasslo | Sweden | Record high minimum temperature | 16.0 C (60.8 F) | 24 of 100 (Routine) |
| Wrixum/Fohr | Germany | Record high minimum temperature | 19.2 C (66.6 F) | 22 of 100 (Routine) |
| St John's | Canada | Record high minimum temperature | 15.6 C (60.1 F) | 21 of 100 (Routine) |
| Nordby (Fano) | Denmark | Record high minimum temperature | 18.8 C (65.8 F) | 21 of 100 (Routine) |
| Koebenhavn: Landbohojskolen-1 | Denmark | Record high minimum temperature | 18.3 C (64.9 F) | 21 of 100 (Routine) |
| Hohenpeissenberg | Germany | Record high minimum temperature | 17.3 C (63.1 F) | 21 of 100 (Routine) |
| Sheffield | United Kingdom | Record daily precipitation | 21.6 mm (0.9 in) | 20 of 100 (Routine) |
| Jonkoping | Sweden | Record high maximum temperature | 31.5 C (88.7 F) | 20 of 100 (Routine) |
| Marrabel | Australia | Record daily precipitation | 12.2 mm (0.5 in) | 19 of 100 (Routine) |
| Jonkoping | Sweden | Record high minimum temperature | 17.0 C (62.6 F) | 19 of 100 (Routine) |
| Wirrabara Forest | Australia | Record daily precipitation | 18.8 mm (0.7 in) | 17 of 100 (Routine) |
| Melbourne Regional Office | Australia | Record low maximum temperature | 9.3 C (48.7 F) | 17 of 100 (Routine) |
| Sacramento 5 ESE | United States | Record high maximum temperature | 39.4 C (102.9 F) | 17 of 100 (Routine) |
| Karlshamn | Sweden | Record high minimum temperature | 17.5 C (63.5 F) | 16 of 100 (Routine) |
| Murray Town (Doughboy Creek) | Australia | Record daily precipitation | 19.1 mm (0.8 in) | 15 of 100 (Routine) |
| Bundaleer Forest Reserve | Australia | Record daily precipitation | 10.9 mm (0.4 in) | 15 of 100 (Routine) |
| Karlsruhe | Germany | Record high maximum temperature | 28.2 C (82.8 F) | 15 of 100 (Routine) |
| Nurnberg | Germany | Record high maximum temperature | 33.1 C (91.6 F) | 15 of 100 (Routine) |
| Portarlington | Australia | Record daily precipitation | 16.3 mm (0.6 in) | 14 of 100 (Routine) |
| Magdeburg | Germany | Record high maximum temperature | 35.3 C (95.5 F) | 14 of 100 (Routine) |
| Plauen | Germany | Record high maximum temperature | 32.8 C (91.0 F) | 14 of 100 (Routine) |
| Hoorn | Netherlands | Record daily precipitation | 16.3 mm (0.6 in) | 14 of 100 (Routine) |
| Vanersborg | Sweden | Record high minimum temperature | 16.5 C (61.7 F) | 14 of 100 (Routine) |
| Orebro | Sweden | Record high maximum temperature | 29.5 C (85.1 F) | 14 of 100 (Routine) |
| Melrose | Australia | Record daily precipitation | 11.7 mm (0.5 in) | 13 of 100 (Routine) |
| Farrell Flat | Australia | Record daily precipitation | 8.1 mm (0.32 in) | 13 of 100 (Routine) |
| Mitcham Post Office | Australia | Record daily precipitation | 10.7 mm (0.4 in) | 13 of 100 (Routine) |
| Tyntynder Station | Australia | Record daily precipitation | 5.1 mm (0.20 in) | 13 of 100 (Routine) |
| Stonecliffe | Canada | Record high minimum temperature | 17.8 C (64.0 F) | 13 of 100 (Routine) |
| Heinersreuth-Vollhof | Germany | Record high maximum temperature | 33.0 C (91.4 F) | 13 of 100 (Routine) |
| Visby_Flygplats | Sweden | Record high maximum temperature | 29.8 C (85.6 F) | 13 of 100 (Routine) |
| Vastervik | Sweden | Record high minimum temperature | 16.5 C (61.7 F) | 13 of 100 (Routine) |
| Gavle | Sweden | Record high minimum temperature | 17.0 C (62.6 F) | 13 of 100 (Routine) |
| Bjuraker | Sweden | Record high minimum temperature | 14.0 C (57.2 F) | 13 of 100 (Routine) |
| Kiev | Ukraine | Record high minimum temperature | 19.4 C (66.9 F) | 13 of 100 (Routine) |
| Maitland (Woodburlie) | Australia | Record daily precipitation | 6.4 mm (0.25 in) | 12 of 100 (Routine) |
| Goolwa Council Depot | Australia | Record daily precipitation | 7.1 mm (0.28 in) | 12 of 100 (Routine) |
| Lobethal | Australia | Record daily precipitation | 19.8 mm (0.8 in) | 12 of 100 (Routine) |
| Cobar Post Office | Australia | Record low maximum temperature | 8.9 C (48.0 F) | 12 of 100 (Routine) |
| Anticosti SW Point | Canada | Record high minimum temperature | 12.2 C (54.0 F) | 12 of 100 (Routine) |
| Munchen-Nymphenburg | Germany | Record high minimum temperature | 17.7 C (63.9 F) | 12 of 100 (Routine) |
| Visby_Flygplats | Sweden | Record high minimum temperature | 17.0 C (62.6 F) | 12 of 100 (Routine) |
| Vanersborg | Sweden | Record high maximum temperature | 28.5 C (83.3 F) | 12 of 100 (Routine) |
| Stockholm | Sweden | Record high minimum temperature | 17.0 C (62.6 F) | 12 of 100 (Routine) |
| Echunga Golf Course | Australia | Record daily precipitation | 21.6 mm (0.9 in) | 11 of 100 (Routine) |
| Nairne | Australia | Record daily precipitation | 17.3 mm (0.7 in) | 11 of 100 (Routine) |
| Willunga | Australia | Record daily precipitation | 14.7 mm (0.6 in) | 11 of 100 (Routine) |
| Coleraine (Wondo Dale) | Australia | Record daily precipitation | 15.2 mm (0.6 in) | 11 of 100 (Routine) |
| Sonnblick | Austria | Record high minimum temperature | 0.9 C (33.6 F) | 11 of 100 (Routine) |
| Bamberg | Germany | Record high maximum temperature | 33.0 C (91.4 F) | 11 of 100 (Routine) |
| Hohenpeissenberg | Germany | Record high maximum temperature | 28.1 C (82.6 F) | 11 of 100 (Routine) |
| Magdeburg | Germany | Record high minimum temperature | 17.7 C (63.9 F) | 11 of 100 (Routine) |
Counts by Type and Timescale
96 records| Record type | Records |
|---|---|
| Highest daily maximum | 25 |
| Lowest daily maximum | 3 |
| Highest daily minimum | 34 |
| Lowest daily minimum | 2 |
| Heaviest daily rainfall | 32 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 0 |
| Timescale | Records |
|---|---|
| all-time | 1 |
| monthly | 8 |
| daily | 87 |
How Much Records Were Beaten By
81 broken records| Margin | Records |
|---|---|
| 0 to 3 | 51 |
| 3 to 5 | 25 |
| 5 to 8 | 3 |
| 8 to 10 | 0 |
| 10 to 13 | 0 |
| 13 to 15 | 1 |
| 15 to 18 | 1 |
Top 20 by Significance
20 June 1917| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 20 June 1917 | Jena Sternwarte, DE | daily high max | 33.8 C (92.8 F) | 3.9 C (7.0 F) | 55 years | 33 of 100 (Routine) |
| 20 June 1917 | Uppsala_Aut, SE | daily high min | 17.1 C (62.8 F) | 2.3 C (4.1 F) | 63 years | 32 of 100 (Routine) |
| 20 June 1917 | Sandvig, DK | all-time high max | 32.7 C (90.9 F) | 1.7 C (3.1 F) | 2 years | 29 of 100 (Routine) |
| 20 June 1917 | Beatrice, CA | daily rain | 35.1 mm (1.4 in) | 17.3 mm (0.7 in) | 24 years | 28 of 100 (Routine) |
| 20 June 1917 | Koebenhavn: Landbohojskolen-1, DK | daily high max | 30.2 C (86.4 F) | 4.4 C (7.9 F) | 40 years | 28 of 100 (Routine) |
| 20 June 1917 | Vestervig, DK | daily high min | 17.5 C (63.5 F) | 3.3 C (5.9 F) | 27 years | 26 of 100 (Routine) |
| 20 June 1917 | Tranebjerg, DK | daily high min | 17.6 C (63.7 F) | 3.1 C (5.6 F) | 27 years | 24 of 100 (Routine) |
| 20 June 1917 | Sandvig, DK | daily high min | 19.3 C (66.7 F) | 3.3 C (5.9 F) | 20 years | 24 of 100 (Routine) |
| 20 June 1917 | Vasteras-Hasslo, SE | daily high min | 16.0 C (60.8 F) | 4.0 C (7.2 F) | 30 years | 24 of 100 (Routine) |
| 20 June 1917 | Wrixum/Fohr, DE | daily high min | 19.2 C (66.6 F) | 3.8 C (6.8 F) | 17 years | 22 of 100 (Routine) |
| 20 June 1917 | St John's, CA | daily high min | 15.6 C (60.1 F) | 2.3 C (4.1 F) | 38 years | 21 of 100 (Routine) |
| 20 June 1917 | Nordby (Fano), DK | monthly high min | 18.8 C (65.8 F) | 0.3 C (0.5 F) | 20 years | 21 of 100 (Routine) |
| 20 June 1917 | Koebenhavn: Landbohojskolen-1, DK | daily high min | 18.3 C (64.9 F) | 4.1 C (7.4 F) | 11 years | 21 of 100 (Routine) |
| 20 June 1917 | Hohenpeissenberg, DE | daily high min | 17.3 C (63.1 F) | 3.7 C (6.7 F) | 27 years | 21 of 100 (Routine) |
| 20 June 1917 | Sheffield, GB | daily rain | 21.6 mm (0.9 in) | 13.2 mm (0.5 in) | 8 years | 20 of 100 (Routine) |
| 20 June 1917 | Jonkoping, SE | monthly high max | 31.5 C (88.7 F) | 0.5 C (0.9 F) | 21 years | 20 of 100 (Routine) |
| 20 June 1917 | Marrabel, AU | daily rain | 12.2 mm (0.5 in) | 5.3 mm (0.21 in) | 24 years | 19 of 100 (Routine) |
| 20 June 1917 | Jonkoping, SE | daily high min | 17.0 C (62.6 F) | 3.0 C (5.4 F) | 22 years | 19 of 100 (Routine) |
| 20 June 1917 | Wirrabara Forest, AU | daily rain | 18.8 mm (0.7 in) | 6.1 mm (0.24 in) | 27 years | 17 of 100 (Routine) |
| 20 June 1917 | Melbourne Regional Office, AU | daily low max | 9.3 C (48.7 F) | 0.8 C (1.4 F) | 29 years | 17 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
1800 to 1917| Year | Records |
|---|---|
| 1800 | 1 |
| 1803 | 1 |
| 1813 | 1 |
| 1821 | 2 |
| 1838 | 1 |
| 1839 | 1 |
| 1841 | 1 |
| 1844 | 1 |
| 1846 | 2 |
| 1847 | 1 |
| 1850 | 1 |
| 1855 | 2 |
| 1857 | 1 |
| 1861 | 1 |
| 1865 | 2 |
| 1867 | 1 |
| 1869 | 2 |
| 1872 | 1 |
| 1873 | 1 |
| 1877 | 2 |
| 1879 | 1 |
| 1884 | 1 |
| 1886 | 2 |
| 1887 | 2 |
| 1891 | 2 |
| 1892 | 2 |
| 1893 | 2 |
| 1895 | 4 |
| 1896 | 3 |
| 1897 | 6 |
| 1898 | 3 |
| 1899 | 6 |
| 1900 | 4 |
| 1901 | 5 |
| 1902 | 7 |
| 1903 | 22 |
| 1904 | 13 |
| 1905 | 14 |
| 1906 | 18 |
| 1907 | 10 |
| 1908 | 30 |
| 1909 | 9 |
| 1910 | 27 |
| 1911 | 27 |
| 1912 | 17 |
| 1913 | 30 |
| 1914 | 53 |
| 1915 | 75 |
| 1916 | 83 |
| 1917 | 96 |
| 1918 | 54 |
| 1919 | 67 |
| 1920 | 40 |
| 1921 | 42 |
| 1922 | 61 |
| 1923 | 263 |
| 1924 | 204 |
| 1925 | 483 |
| 1926 | 228 |
| 1927 | 193 |
| 1928 | 199 |
| 1929 | 137 |
| 1930 | 143 |
| 1931 | 536 |
| 1932 | 182 |
| 1933 | 676 |
| 1934 | 301 |
| 1935 | 337 |
| 1936 | 529 |
| 1937 | 412 |
| 1938 | 326 |
| 1939 | 270 |
| 1940 | 469 |
| 1941 | 200 |
| 1942 | 757 |
| 1943 | 447 |
| 1944 | 315 |
| 1945 | 769 |
| 1946 | 849 |
| 1947 | 387 |
| 1948 | 554 |
| 1949 | 314 |
| 1950 | 328 |
| 1951 | 289 |
| 1952 | 318 |
| 1953 | 998 |
| 1954 | 414 |
| 1955 | 291 |
| 1956 | 484 |
| 1957 | 598 |
| 1958 | 603 |
| 1959 | 504 |
| 1960 | 451 |
| 1961 | 836 |
| 1962 | 173 |
| 1963 | 379 |
| 1964 | 729 |
| 1965 | 463 |
| 1966 | 441 |
| 1967 | 687 |
| 1968 | 559 |
| 1969 | 982 |
| 1970 | 482 |
| 1971 | 395 |
| 1972 | 660 |
| 1973 | 553 |
| 1974 | 743 |
| 1975 | 984 |
| 1976 | 899 |
| 1977 | 453 |
| 1978 | 480 |
| 1979 | 727 |
| 1980 | 922 |
| 1981 | 987 |
| 1982 | 801 |
| 1983 | 724 |
| 1984 | 686 |
| 1985 | 811 |
| 1986 | 732 |
| 1987 | 960 |
| 1988 | 1,222 |
| 1989 | 918 |
| 1990 | 899 |
| 1991 | 1,085 |
| 1992 | 1,049 |
| 1993 | 964 |
| 1994 | 925 |
| 1995 | 1,260 |
| 1996 | 1,123 |
| 1997 | 738 |
| 1998 | 1,627 |
| 1999 | 906 |
| 2000 | 1,328 |
| 2001 | 771 |
| 2002 | 955 |
| 2003 | 843 |
| 2004 | 1,071 |
| 2005 | 1,055 |
| 2006 | 820 |
| 2007 | 1,208 |
| 2008 | 669 |
| 2009 | 1,060 |
| 2010 | 865 |
| 2011 | 1,359 |
| 2012 | 1,045 |
| 2013 | 879 |
| 2014 | 381 |
| 2015 | 637 |
| 2016 | 1,352 |
| 2017 | 1,086 |
| 2018 | 635 |
| 2019 | 693 |
| 2020 | 590 |
| 2021 | 1,161 |
| 2022 | 972 |
| 2023 | 1,265 |
| 2024 | 783 |
| 2025 | 944 |
| 2026 | 757 |
Download the Data
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 . Last revised (2026-10-15).