Weather Records on 17 August 1919
37 weather records were set or tied worldwide on 17 August 1919. Highest significance: Reading Wb City, US.
Key Facts for 17 August 1919
- On 17 August 1919, 37 weather records were set or tied at long-record stations worldwide.
- 10 were record highs and 10 were record lows, counting maximum and minimum temperature.
- By timescale, 0 were all-time records, 2 monthly and 35 daily.
- Reading Wb City set a monthly record daily precipitation of 128.0 mm (5.0 in) on 17 August 1919.
- Across 162 earlier years (1797 to 2026) the same calendar date averaged 476 records.
Record Map
37 stations| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Reading Wb City | United States | Record daily precipitation | 128.0 mm (5.0 in) | 33 of 100 (Routine) |
| Stony Mountain | Canada | Record daily precipitation | 39.4 mm (1.6 in) | 28 of 100 (Routine) |
| Guelph Oac | Canada | Record daily precipitation | 27.7 mm (1.1 in) | 28 of 100 (Routine) |
| Lock #4 | United States | Record daily precipitation | 29.2 mm (1.1 in) | 22 of 100 (Routine) |
| Niznij Novgorod | Russia | Record daily precipitation | 15.1 mm (0.6 in) | 20 of 100 (Routine) |
| Gravenhurst | Canada | Record daily precipitation | 19.1 mm (0.8 in) | 20 of 100 (Routine) |
| Greensboro Lock 7 | United States | Record daily precipitation | 22.9 mm (0.9 in) | 20 of 100 (Routine) |
| Peterborough | Canada | Record daily precipitation | 21.6 mm (0.9 in) | 18 of 100 (Routine) |
| Goldberg | Germany | Record daily precipitation | 13.4 mm (0.5 in) | 17 of 100 (Routine) |
| Medicine Hat A | Canada | Record high minimum temperature | 18.3 C (64.9 F) | 16 of 100 (Routine) |
| Lakefield | Canada | Record daily precipitation | 40.9 mm (1.6 in) | 16 of 100 (Routine) |
| Kvikkjokk-Arrenjarka | Sweden | Record low minimum temperature | -3.0 C (26.6 F) | 15 of 100 (Routine) |
| Jokkmokk | Sweden | Record low minimum temperature | 0.0 C (32.0 F) | 15 of 100 (Routine) |
| Harrisburg - Coop | United States | Record daily precipitation | 25.4 mm (1.0 in) | 14 of 100 (Routine) |
| Calgary Int'l A | Canada | Record high maximum temperature | 31.1 C (88.0 F) | 13 of 100 (Routine) |
| Jakutsk | Russia | Record daily precipitation | 36.7 mm (1.4 in) | 13 of 100 (Routine) |
| Edmonton | Canada | Record high maximum temperature | 29.4 C (84.9 F) | 12 of 100 (Routine) |
| Coldwater | Canada | Record daily precipitation | 19.8 mm (0.8 in) | 11 of 100 (Routine) |
| Nidingen A | Sweden | Record daily precipitation | 10.3 mm (0.4 in) | 11 of 100 (Routine) |
| Malvern | United States | Record daily precipitation | 18.0 mm (0.7 in) | 11 of 100 (Routine) |
| Gavle | Sweden | Record low minimum temperature | 4.0 C (39.2 F) | 10 of 100 (Routine) |
| Pitea | Sweden | Record low minimum temperature | 3.0 C (37.4 F) | 10 of 100 (Routine) |
| Ft Bidwell | United States | Record high maximum temperature | 35.0 C (95.0 F) | 10 of 100 (Routine) |
| Sandy Cape Lighthouse | Australia | Record daily precipitation | 5.8 mm (0.23 in) | 9 of 100 (Routine) |
| Bjuraker | Sweden | Record low minimum temperature | 3.8 C (38.8 F) | 6 of 100 (Routine) |
| Winnemucca AP | United States | Record high minimum temperature | 16.7 C (62.1 F) | 4 of 100 (Routine) |
| Jacksonville Wb City | United States | Record low minimum temperature | 20.0 C (68.0 F) | 4 of 100 (Routine) |
| Oestersund-Froesoen | Sweden | Record low minimum temperature | 2.0 C (35.6 F) | 3 of 100 (Routine) |
| Vastervik | Sweden | Record low minimum temperature | 7.0 C (44.6 F) | 3 of 100 (Routine) |
| Algiers-Ville/Universite | Algeria | Record low minimum temperature | 19.0 C (66.2 F) | 2 of 100 (Routine) |
| Cumbalum (Fairview) | Australia | Record daily precipitation | 10.7 mm (0.4 in) | 2 of 100 (Routine) |
| Stornoway Airport | United Kingdom | Record high minimum temperature | 13.3 C (55.9 F) | 2 of 100 (Routine) |
| Qu'appelle | Canada | Record high maximum temperature | 30.0 C (86.0 F) | 1 of 100 (Routine) |
| Haliburton A | Canada | Record high minimum temperature | 17.2 C (63.0 F) | 1 of 100 (Routine) |
| Karlshamn | Sweden | Record low maximum temperature | 16.0 C (60.8 F) | 1 of 100 (Routine) |
| Alma | United States | Record high minimum temperature | 19.4 C (66.9 F) | 1 of 100 (Routine) |
| Medicine Hat A | Canada | Record high maximum temperature | 35.0 C (95.0 F) | 0 of 100 (Routine) |
Counts by Type and Timescale
37 records| Record type | Records |
|---|---|
| Highest daily maximum | 5 |
| Lowest daily maximum | 1 |
| Highest daily minimum | 5 |
| Lowest daily minimum | 9 |
| Heaviest daily rainfall | 17 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 0 |
| Timescale | Records |
|---|---|
| all-time | 0 |
| monthly | 2 |
| daily | 35 |
How Much Records Were Beaten By
25 broken records| Margin | Records |
|---|---|
| 0 to 3 | 11 |
| 3 to 5 | 3 |
| 5 to 8 | 2 |
| 8 to 10 | 2 |
| 10 to 13 | 3 |
| 13 to 15 | 3 |
| 15 to 18 | 1 |
Top 20 by Significance
17 August 1919| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 17 August 1919 | Reading Wb City, US | monthly rain | 128.0 mm (5.0 in) | 13.2 mm (0.5 in) | 30 years | 33 of 100 (Routine) |
| 17 August 1919 | Stony Mountain, CA | daily rain | 39.4 mm (1.6 in) | 12.5 mm (0.5 in) | 38 years | 28 of 100 (Routine) |
| 17 August 1919 | Guelph Oac, CA | daily rain | 27.7 mm (1.1 in) | 17.0 mm (0.7 in) | 30 years | 28 of 100 (Routine) |
| 17 August 1919 | Lock #4, US | daily rain | 29.2 mm (1.1 in) | 11.4 mm (0.4 in) | 30 years | 22 of 100 (Routine) |
| 17 August 1919 | Niznij Novgorod, RU | daily rain | 15.1 mm (0.6 in) | 8.6 mm (0.34 in) | 26 years | 20 of 100 (Routine) |
| 17 August 1919 | Gravenhurst, CA | daily rain | 19.1 mm (0.8 in) | 10.7 mm (0.4 in) | 28 years | 20 of 100 (Routine) |
| 17 August 1919 | Greensboro Lock 7, US | daily rain | 22.9 mm (0.9 in) | 9.7 mm (0.38 in) | 25 years | 20 of 100 (Routine) |
| 17 August 1919 | Peterborough, CA | daily rain | 21.6 mm (0.9 in) | 6.4 mm (0.25 in) | 25 years | 18 of 100 (Routine) |
| 17 August 1919 | Goldberg, DE | daily rain | 13.4 mm (0.5 in) | 4.1 mm (0.16 in) | 28 years | 17 of 100 (Routine) |
| 17 August 1919 | Medicine Hat A, CA | daily high min | 18.3 C (64.9 F) | 3.3 C (5.9 F) | 16 years | 16 of 100 (Routine) |
| 17 August 1919 | Lakefield, CA | daily rain | 40.9 mm (1.6 in) | 14.5 mm (0.6 in) | 4 years | 16 of 100 (Routine) |
| 17 August 1919 | Kvikkjokk-Arrenjarka, SE | daily low min | -3.0 C (26.6 F) | 2.0 C (3.6 F) | 25 years | 15 of 100 (Routine) |
| 17 August 1919 | Jokkmokk, SE | daily low min | 0.0 C (32.0 F) | 1.5 C (2.7 F) | 27 years | 15 of 100 (Routine) |
| 17 August 1919 | Harrisburg - Coop, US | daily rain | 25.4 mm (1.0 in) | 10.9 mm (0.4 in) | 14 years | 14 of 100 (Routine) |
| 17 August 1919 | Calgary Int'l A, CA | daily high max | 31.1 C (88.0 F) | 1.7 C (3.1 F) | 25 years | 13 of 100 (Routine) |
| 17 August 1919 | Jakutsk, RU | monthly rain | 36.7 mm (1.4 in) | 0.5 mm (0.02 in) | 1 year | 13 of 100 (Routine) |
| 17 August 1919 | Edmonton, CA | daily high max | 29.4 C (84.9 F) | 1.1 C (2.0 F) | 20 years | 12 of 100 (Routine) |
| 17 August 1919 | Coldwater, CA | daily rain | 19.8 mm (0.8 in) | 7.4 mm (0.29 in) | 4 years | 11 of 100 (Routine) |
| 17 August 1919 | Nidingen A, SE | daily rain | 10.3 mm (0.4 in) | 0.2 mm (0.01 in) | 29 years | 11 of 100 (Routine) |
| 17 August 1919 | Malvern, US | daily rain | 18.0 mm (0.7 in) | 2.8 mm (0.11 in) | 25 years | 11 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
1797 to 1919| Year | Records |
|---|---|
| 1797 | 2 |
| 1802 | 2 |
| 1820 | 2 |
| 1837 | 1 |
| 1838 | 2 |
| 1841 | 2 |
| 1842 | 1 |
| 1845 | 2 |
| 1853 | 1 |
| 1854 | 1 |
| 1856 | 1 |
| 1857 | 1 |
| 1861 | 3 |
| 1862 | 1 |
| 1867 | 1 |
| 1868 | 3 |
| 1869 | 1 |
| 1872 | 1 |
| 1875 | 2 |
| 1876 | 5 |
| 1879 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 2 |
| 1885 | 3 |
| 1886 | 1 |
| 1888 | 5 |
| 1891 | 1 |
| 1892 | 3 |
| 1893 | 2 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 5 |
| 1899 | 8 |
| 1900 | 3 |
| 1901 | 14 |
| 1902 | 7 |
| 1903 | 6 |
| 1904 | 2 |
| 1905 | 11 |
| 1906 | 28 |
| 1907 | 9 |
| 1908 | 26 |
| 1909 | 24 |
| 1910 | 17 |
| 1911 | 18 |
| 1912 | 31 |
| 1913 | 79 |
| 1914 | 41 |
| 1915 | 28 |
| 1916 | 33 |
| 1917 | 35 |
| 1918 | 112 |
| 1919 | 37 |
| 1920 | 110 |
| 1921 | 37 |
| 1922 | 169 |
| 1923 | 161 |
| 1924 | 171 |
| 1925 | 130 |
| 1926 | 182 |
| 1927 | 228 |
| 1928 | 131 |
| 1929 | 243 |
| 1930 | 138 |
| 1931 | 302 |
| 1932 | 360 |
| 1933 | 260 |
| 1934 | 377 |
| 1935 | 437 |
| 1936 | 670 |
| 1937 | 726 |
| 1938 | 466 |
| 1939 | 364 |
| 1940 | 341 |
| 1941 | 378 |
| 1942 | 461 |
| 1943 | 743 |
| 1944 | 531 |
| 1945 | 387 |
| 1946 | 433 |
| 1947 | 682 |
| 1948 | 475 |
| 1949 | 371 |
| 1950 | 522 |
| 1951 | 413 |
| 1952 | 470 |
| 1953 | 345 |
| 1954 | 685 |
| 1955 | 465 |
| 1956 | 407 |
| 1957 | 504 |
| 1958 | 519 |
| 1959 | 543 |
| 1960 | 533 |
| 1961 | 998 |
| 1962 | 445 |
| 1963 | 650 |
| 1964 | 410 |
| 1965 | 641 |
| 1966 | 496 |
| 1967 | 679 |
| 1968 | 953 |
| 1969 | 593 |
| 1970 | 467 |
| 1971 | 447 |
| 1972 | 1,044 |
| 1973 | 750 |
| 1974 | 582 |
| 1975 | 612 |
| 1976 | 797 |
| 1977 | 1,216 |
| 1978 | 814 |
| 1979 | 1,464 |
| 1980 | 895 |
| 1981 | 1,112 |
| 1982 | 554 |
| 1983 | 1,574 |
| 1984 | 726 |
| 1985 | 948 |
| 1986 | 916 |
| 1987 | 1,150 |
| 1988 | 1,608 |
| 1989 | 687 |
| 1990 | 949 |
| 1991 | 560 |
| 1992 | 1,813 |
| 1993 | 803 |
| 1994 | 1,038 |
| 1995 | 1,724 |
| 1996 | 752 |
| 1997 | 1,544 |
| 1998 | 1,003 |
| 1999 | 697 |
| 2000 | 994 |
| 2001 | 1,101 |
| 2002 | 1,266 |
| 2003 | 948 |
| 2004 | 1,046 |
| 2005 | 722 |
| 2006 | 814 |
| 2007 | 1,646 |
| 2008 | 1,301 |
| 2009 | 922 |
| 2010 | 1,105 |
| 2011 | 956 |
| 2012 | 1,215 |
| 2013 | 802 |
| 2014 | 997 |
| 2015 | 890 |
| 2016 | 748 |
| 2017 | 544 |
| 2018 | 518 |
| 2019 | 467 |
| 2020 | 1,529 |
| 2021 | 800 |
| 2022 | 1,428 |
| 2023 | 1,032 |
| 2024 | 740 |
| 2025 | 538 |
| 2026 | 535 |
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).