Weather Records on 18 August 1987
1,609 weather records were set or tied worldwide on 18 August 1987. Highest significance: Katoomba (Murri St), AU.
Key Facts for 18 August 1987
- On 18 August 1987, 1,609 weather records were set or tied at long-record stations worldwide.
- 708 were record highs and 277 were record lows, counting maximum and minimum temperature.
- By timescale, 4 were all-time records, 34 monthly and 1,571 daily.
- Katoomba (Murri St) set a daily record precipitation of 78.0 mm (3.1 in) on 18 August 1987.
- Across 171 earlier years (1797 to 2026) the same calendar date averaged 434 records.
Record Map
1,609 stations| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Katoomba (Murri St) | Australia | Record daily precipitation | 78.0 mm (3.1 in) | 73 of 100 (Major) |
| Cleveland Bowls Club | Australia | Record daily precipitation | 65.2 mm (2.6 in) | 67 of 100 (Major) |
| Nowendoc (Beaufort) | Australia | Record daily precipitation | 44.0 mm (1.7 in) | 67 of 100 (Major) |
| Bald Hills Post Office | Australia | Record daily precipitation | 56.4 mm (2.2 in) | 66 of 100 (Major) |
| Gympie | Australia | Record daily precipitation | 48.6 mm (1.9 in) | 63 of 100 (Major) |
| Darkes Forest (Kintyre) | Australia | Record daily precipitation | 82.8 mm (3.3 in) | 63 of 100 (Major) |
| Warren (Haddon Rig) | Australia | Record daily precipitation | 27.8 mm (1.1 in) | 61 of 100 (Major) |
| Gosford (Gertrude Place) | Australia | Record daily precipitation | 68.0 mm (2.7 in) | 61 of 100 (Major) |
| Broke (Harrowby) | Australia | Record daily precipitation | 36.0 mm (1.4 in) | 61 of 100 (Major) |
| Helensburgh (Sawan St) | Australia | Record daily precipitation | 88.6 mm (3.5 in) | 61 of 100 (Major) |
| Wyee (Wyee Farms Rd) | Australia | Record daily precipitation | 75.0 mm (3.0 in) | 60 of 100 (Major) |
| Caboolture Post Office | Australia | Record daily precipitation | 39.8 mm (1.6 in) | 59 of 100 (Notable) |
| Morpeth Post Office | Australia | Record daily precipitation | 64.0 mm (2.5 in) | 58 of 100 (Notable) |
| Cassilis (Dalkeith) | Australia | Record daily precipitation | 29.4 mm (1.2 in) | 58 of 100 (Notable) |
| Leura Post Office | Australia | Record daily precipitation | 62.0 mm (2.4 in) | 58 of 100 (Notable) |
| Blackville (Krui Vale) | Australia | Record daily precipitation | 45.6 mm (1.8 in) | 57 of 100 (Notable) |
| Kilcoy Post Office | Australia | Record daily precipitation | 34.2 mm (1.3 in) | 56 of 100 (Notable) |
| Towallum (Maxwelton) | Australia | Record daily precipitation | 93.0 mm (3.7 in) | 56 of 100 (Notable) |
| Cessnock Post Office | Australia | Record daily precipitation | 67.6 mm (2.7 in) | 56 of 100 (Notable) |
| Pokolbin (Ben Ean) | Australia | Record daily precipitation | 61.0 mm (2.4 in) | 56 of 100 (Notable) |
| Thiruvananthapuram | India | Record daily precipitation | 86.1 mm (3.4 in) | 56 of 100 (Notable) |
| Evergreen | United States | Record daily precipitation | 63.5 mm (2.5 in) | 56 of 100 (Notable) |
| Kookabookra | Australia | Record daily precipitation | 32.6 mm (1.3 in) | 55 of 100 (Notable) |
| Wyong (Wyong Golf Club) | Australia | Record daily precipitation | 53.8 mm (2.1 in) | 55 of 100 (Notable) |
| Wingham (Lanark Close) | Australia | Record daily precipitation | 56.0 mm (2.2 in) | 54 of 100 (Notable) |
| Berowra (Goodwyn Road) | Australia | Record daily precipitation | 46.0 mm (1.8 in) | 54 of 100 (Notable) |
| Crescent City | United States | Record high maximum temperature | 40.6 C (105.1 F) | 54 of 100 (Notable) |
| Seal Rocks Camping Reserve | Australia | Record daily precipitation | 55.8 mm (2.2 in) | 52 of 100 (Notable) |
| Cooranbong (Avondale) | Australia | Record daily precipitation | 79.6 mm (3.1 in) | 52 of 100 (Notable) |
| Blacoveschenka | Kazakhstan | Record daily precipitation | 40.7 mm (1.6 in) | 52 of 100 (Notable) |
| Southport Ridgeway Ave | Australia | Record daily precipitation | 89.4 mm (3.5 in) | 51 of 100 (Notable) |
| Hillgrove (Hillview) | Australia | Record daily precipitation | 27.5 mm (1.1 in) | 51 of 100 (Notable) |
| Tweed Heads Golf Club | Australia | Record daily precipitation | 63.0 mm (2.5 in) | 51 of 100 (Notable) |
| Melsungen-Burstoss | Germany | Record daily precipitation | 42.6 mm (1.7 in) | 51 of 100 (Notable) |
| Kanin Nos | Russia | Record daily precipitation | 25.4 mm (1.0 in) | 51 of 100 (Notable) |
| Brisbane Show Grounds | Australia | Record daily precipitation | 62.8 mm (2.5 in) | 50 of 100 (Notable) |
| Coorparoo Bowls Club | Australia | Record daily precipitation | 59.6 mm (2.3 in) | 50 of 100 (Notable) |
| Gosford (Narara Research Stati | Australia | Record daily precipitation | 69.2 mm (2.7 in) | 50 of 100 (Notable) |
| Elderslie | Australia | Record daily precipitation | 46.6 mm (1.8 in) | 50 of 100 (Notable) |
| Stanthorpe Leslie Parade | Australia | Record daily precipitation | 29.2 mm (1.1 in) | 49 of 100 (Notable) |
| Arcade | United States | Record daily precipitation | 32.8 mm (1.3 in) | 49 of 100 (Notable) |
| Nerang Gilston Rd | Australia | Record daily precipitation | 89.0 mm (3.5 in) | 48 of 100 (Notable) |
| Redlands Hrs | Australia | Record daily precipitation | 64.4 mm (2.5 in) | 48 of 100 (Notable) |
| Weemelah (Crinolyn) | Australia | Record daily precipitation | 32.0 mm (1.3 in) | 48 of 100 (Notable) |
| Gloucester Post Office | Australia | Record daily precipitation | 44.6 mm (1.8 in) | 48 of 100 (Notable) |
| Mt Mee | Australia | Record daily precipitation | 59.0 mm (2.3 in) | 47 of 100 (Notable) |
| Carawatha | Australia | Record daily precipitation | 36.0 mm (1.4 in) | 47 of 100 (Notable) |
| Copmanhurst Post Office | Australia | Record daily precipitation | 35.8 mm (1.4 in) | 47 of 100 (Notable) |
| Lawrence Post Office | Australia | Record daily precipitation | 25.0 mm (1.0 in) | 47 of 100 (Notable) |
| Williamtown Raaf | Australia | Record daily precipitation | 62.8 mm (2.5 in) | 47 of 100 (Notable) |
| Bosque del Apache | United States | Record low minimum temperature | 7.8 C (46.0 F) | 47 of 100 (Notable) |
| Zillmere Post Office | Australia | Record daily precipitation | 52.6 mm (2.1 in) | 46 of 100 (Notable) |
| Cockle Creek (Pasminco Metals) | Australia | Record daily precipitation | 98.0 mm (3.9 in) | 46 of 100 (Notable) |
| Cassilis Post Office | Australia | Record daily precipitation | 29.4 mm (1.2 in) | 46 of 100 (Notable) |
| Springwood Bowling Club | Australia | Record daily precipitation | 36.8 mm (1.4 in) | 46 of 100 (Notable) |
| Chiang Mai | Thailand | Record daily precipitation | 97.0 mm (3.8 in) | 46 of 100 (Notable) |
| Rosevale | Australia | Record daily precipitation | 31.2 mm (1.2 in) | 45 of 100 (Notable) |
| Balgownie West | Australia | Record daily precipitation | 28.8 mm (1.1 in) | 45 of 100 (Notable) |
| Maryland | Australia | Record daily precipitation | 42.2 mm (1.7 in) | 45 of 100 (Notable) |
| Casino Airport | Australia | Record daily precipitation | 27.4 mm (1.1 in) | 45 of 100 (Notable) |
Counts by Type and Timescale
1,609 records| Record type | Records |
|---|---|
| Highest daily maximum | 293 |
| Lowest daily maximum | 77 |
| Highest daily minimum | 415 |
| Lowest daily minimum | 200 |
| Heaviest daily rainfall | 624 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 0 |
| Timescale | Records |
|---|---|
| all-time | 4 |
| monthly | 34 |
| daily | 1,571 |
How Much Records Were Beaten By
1,316 broken records| Margin | Records |
|---|---|
| 0 to 20 | 1,164 |
| 20 to 40 | 109 |
| 40 to 60 | 36 |
| 60 to 80 | 6 |
| 80 to 100 | 1 |
Top 20 by Significance
18 August 1987| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 18 August 1987 | Katoomba (Murri St), AU | daily rain | 78.0 mm (3.1 in) | 61.5 mm (2.4 in) | 85 years | 73 of 100 (Major) |
| 18 August 1987 | Cleveland Bowls Club, AU | daily rain | 65.2 mm (2.6 in) | 49.2 mm (1.9 in) | 57 years | 67 of 100 (Major) |
| 18 August 1987 | Nowendoc (Beaufort), AU | daily rain | 44.0 mm (1.7 in) | 31.8 mm (1.3 in) | 87 years | 67 of 100 (Major) |
| 18 August 1987 | Bald Hills Post Office, AU | daily rain | 56.4 mm (2.2 in) | 47.8 mm (1.9 in) | 57 years | 66 of 100 (Major) |
| 18 August 1987 | Gympie, AU | daily rain | 48.6 mm (1.9 in) | 33.9 mm (1.3 in) | 57 years | 63 of 100 (Major) |
| 18 August 1987 | Darkes Forest (Kintyre), AU | daily rain | 82.8 mm (3.3 in) | 59.2 mm (2.3 in) | 87 years | 63 of 100 (Major) |
| 18 August 1987 | Warren (Haddon Rig), AU | daily rain | 27.8 mm (1.1 in) | 18.7 mm (0.7 in) | 105 years | 61 of 100 (Major) |
| 18 August 1987 | Gosford (Gertrude Place), AU | daily rain | 68.0 mm (2.7 in) | 43.9 mm (1.7 in) | 87 years | 61 of 100 (Major) |
| 18 August 1987 | Broke (Harrowby), AU | daily rain | 36.0 mm (1.4 in) | 17.5 mm (0.7 in) | 99 years | 61 of 100 (Major) |
| 18 August 1987 | Helensburgh (Sawan St), AU | daily rain | 88.6 mm (3.5 in) | 63.2 mm (2.5 in) | 87 years | 61 of 100 (Major) |
| 18 August 1987 | Wyee (Wyee Farms Rd), AU | daily rain | 75.0 mm (3.0 in) | 38.4 mm (1.5 in) | 87 years | 60 of 100 (Major) |
| 18 August 1987 | Caboolture Post Office, AU | daily rain | 39.8 mm (1.6 in) | 25.8 mm (1.0 in) | 88 years | 59 of 100 (Notable) |
| 18 August 1987 | Morpeth Post Office, AU | daily rain | 64.0 mm (2.5 in) | 27.2 mm (1.1 in) | 87 years | 58 of 100 (Notable) |
| 18 August 1987 | Cassilis (Dalkeith), AU | daily rain | 29.4 mm (1.2 in) | 13.4 mm (0.5 in) | 99 years | 58 of 100 (Notable) |
| 18 August 1987 | Leura Post Office, AU | daily rain | 62.0 mm (2.4 in) | 54.9 mm (2.2 in) | 61 years | 58 of 100 (Notable) |
| 18 August 1987 | Blackville (Krui Vale), AU | daily rain | 45.6 mm (1.8 in) | 21.2 mm (0.8 in) | 99 years | 57 of 100 (Notable) |
| 18 August 1987 | Kilcoy Post Office, AU | daily rain | 34.2 mm (1.3 in) | 19.0 mm (0.7 in) | 88 years | 56 of 100 (Notable) |
| 18 August 1987 | Towallum (Maxwelton), AU | daily rain | 93.0 mm (3.7 in) | 81.3 mm (3.2 in) | 45 years | 56 of 100 (Notable) |
| 18 August 1987 | Cessnock Post Office, AU | daily rain | 67.6 mm (2.7 in) | 49.3 mm (1.9 in) | 28 years | 56 of 100 (Notable) |
| 18 August 1987 | Pokolbin (Ben Ean), AU | daily rain | 61.0 mm (2.4 in) | 54.4 mm (2.1 in) | 28 years | 56 of 100 (Notable) |
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 1987Counts for years before the ledger starts come from the same station rules.
| Year | Records |
|---|---|
| 1797 | 2 |
| 1805 | 1 |
| 1816 | 1 |
| 1827 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1833 | 1 |
| 1841 | 1 |
| 1844 | 1 |
| 1845 | 3 |
| 1846 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1851 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1854 | 2 |
| 1855 | 1 |
| 1856 | 1 |
| 1861 | 1 |
| 1864 | 2 |
| 1866 | 1 |
| 1868 | 2 |
| 1869 | 1 |
| 1870 | 2 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 3 |
| 1876 | 1 |
| 1878 | 1 |
| 1879 | 2 |
| 1883 | 3 |
| 1885 | 3 |
| 1886 | 3 |
| 1887 | 3 |
| 1888 | 2 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 6 |
| 1893 | 4 |
| 1894 | 4 |
| 1895 | 1 |
| 1898 | 4 |
| 1899 | 6 |
| 1900 | 2 |
| 1901 | 10 |
| 1902 | 8 |
| 1903 | 6 |
| 1904 | 8 |
| 1905 | 10 |
| 1906 | 40 |
| 1907 | 7 |
| 1908 | 21 |
| 1909 | 24 |
| 1910 | 16 |
| 1911 | 11 |
| 1912 | 21 |
| 1913 | 43 |
| 1914 | 37 |
| 1915 | 60 |
| 1916 | 71 |
| 1917 | 70 |
| 1918 | 53 |
| 1919 | 34 |
| 1920 | 51 |
| 1921 | 39 |
| 1922 | 129 |
| 1923 | 90 |
| 1924 | 225 |
| 1925 | 300 |
| 1926 | 168 |
| 1927 | 269 |
| 1928 | 141 |
| 1929 | 181 |
| 1930 | 150 |
| 1931 | 241 |
| 1932 | 382 |
| 1933 | 431 |
| 1934 | 638 |
| 1935 | 424 |
| 1936 | 766 |
| 1937 | 308 |
| 1938 | 243 |
| 1939 | 381 |
| 1940 | 434 |
| 1941 | 467 |
| 1942 | 333 |
| 1943 | 738 |
| 1944 | 325 |
| 1945 | 400 |
| 1946 | 416 |
| 1947 | 958 |
| 1948 | 315 |
| 1949 | 393 |
| 1950 | 683 |
| 1951 | 355 |
| 1952 | 405 |
| 1953 | 323 |
| 1954 | 622 |
| 1955 | 795 |
| 1956 | 580 |
| 1957 | 380 |
| 1958 | 580 |
| 1959 | 537 |
| 1960 | 599 |
| 1961 | 415 |
| 1962 | 428 |
| 1963 | 760 |
| 1964 | 443 |
| 1965 | 525 |
| 1966 | 573 |
| 1967 | 623 |
| 1968 | 795 |
| 1969 | 530 |
| 1970 | 597 |
| 1971 | 381 |
| 1972 | 493 |
| 1973 | 734 |
| 1974 | 639 |
| 1975 | 844 |
| 1976 | 917 |
| 1977 | 1,112 |
| 1978 | 854 |
| 1979 | 1,309 |
| 1980 | 771 |
| 1981 | 1,386 |
| 1982 | 563 |
| 1983 | 1,420 |
| 1984 | 600 |
| 1985 | 765 |
| 1986 | 861 |
| 1987 | 1,609 |
| 1988 | 1,351 |
| 1989 | 952 |
| 1990 | 920 |
| 1991 | 533 |
| 1992 | 1,497 |
| 1993 | 706 |
| 1994 | 1,027 |
| 1995 | 1,882 |
| 1996 | 760 |
| 1997 | 1,191 |
| 1998 | 923 |
| 1999 | 888 |
| 2000 | 1,183 |
| 2001 | 1,036 |
| 2002 | 1,306 |
| 2003 | 860 |
| 2004 | 1,050 |
| 2005 | 865 |
| 2006 | 842 |
| 2007 | 1,116 |
| 2008 | 1,265 |
| 2009 | 839 |
| 2010 | 1,167 |
| 2011 | 1,239 |
| 2012 | 1,247 |
| 2013 | 752 |
| 2014 | 751 |
| 2015 | 880 |
| 2016 | 704 |
| 2017 | 565 |
| 2018 | 462 |
| 2019 | 615 |
| 2020 | 1,541 |
| 2021 | 1,118 |
| 2022 | 1,237 |
| 2023 | 1,094 |
| 2024 | 696 |
| 2025 | 455 |
| 2026 | 545 |
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 (2026-10-16).