Weather Records on 20 December 2023
1,242 weather records were set or tied worldwide on 20 December 2023. Highest significance: Mittagong (Kia Ora), AU.
Key Facts for 20 December 2023
- On 20 December 2023, 1,242 weather records were set or tied at long-record stations worldwide.
- 840 were record highs and 151 were record lows, counting maximum and minimum temperature.
- By timescale, 0 were all-time records, 11 monthly and 1,231 daily.
- Mittagong (Kia Ora) set a daily record precipitation of 84.0 mm (3.3 in) on 20 December 2023.
- Across 163 earlier years (1793 to 2025) the same calendar date averaged 462 records.
Record Map
1,242 stations| Station | Country | Type | Value | Significance |
|---|---|---|---|---|
| Mittagong (Kia Ora) | Australia | Record daily precipitation | 84.0 mm (3.3 in) | 72 of 100 (Major) |
| Mittagong (Beatrice Street) | Australia | Record daily precipitation | 114.6 mm (4.5 in) | 64 of 100 (Major) |
| Foxground Road | Australia | Record daily precipitation | 82.6 mm (3.3 in) | 63 of 100 (Major) |
| Bundarra Post Office | Australia | Record daily precipitation | 68.8 mm (2.7 in) | 62 of 100 (Major) |
| Chichester Dam | Australia | Record daily precipitation | 108.8 mm (4.3 in) | 62 of 100 (Major) |
| Albion Park Post Office | Australia | Record daily precipitation | 67.0 mm (2.6 in) | 60 of 100 (Major) |
| Somerton (Bective Estate) | Australia | Record daily precipitation | 51.0 mm (2.0 in) | 59 of 100 (Notable) |
| Nuuanu Rsch 4 783 | United States | Record daily precipitation | 226.8 mm (8.9 in) | 56 of 100 (Notable) |
| Narrabri (Mollee) | Australia | Record daily precipitation | 59.6 mm (2.3 in) | 55 of 100 (Notable) |
| Woodhouselee (Leeston) | Australia | Record daily precipitation | 38.0 mm (1.5 in) | 55 of 100 (Notable) |
| Lugano | Switzerland | Record high maximum temperature | 17.7 C (63.9 F) | 55 of 100 (Notable) |
| Braidwood (Wallace Street) | Australia | Record daily precipitation | 39.8 mm (1.6 in) | 53 of 100 (Notable) |
| Uralla (Dumaresq St) | Australia | Record daily precipitation | 44.8 mm (1.8 in) | 52 of 100 (Notable) |
| Bunnan (Milhaven) | Australia | Record daily precipitation | 45.0 mm (1.8 in) | 52 of 100 (Notable) |
| Berambing | Australia | Record daily precipitation | 73.2 mm (2.9 in) | 52 of 100 (Notable) |
| Marulan (George St) | Australia | Record daily precipitation | 52.0 mm (2.0 in) | 52 of 100 (Notable) |
| Moonan Flat (High St) | Australia | Record daily precipitation | 46.0 mm (1.8 in) | 51 of 100 (Notable) |
| Dungog - Main Creek (Yeranda) | Australia | Record daily precipitation | 72.0 mm (2.8 in) | 51 of 100 (Notable) |
| Lowther Park | Australia | Record daily precipitation | 85.6 mm (3.4 in) | 50 of 100 (Notable) |
| Dungog Post Office | Australia | Record daily precipitation | 38.0 mm (1.5 in) | 49 of 100 (Notable) |
| Nelligen (Thule Road) | Australia | Record daily precipitation | 31.2 mm (1.2 in) | 49 of 100 (Notable) |
| Campbell Town (Elizabeth R) | Australia | Record daily precipitation | 36.0 mm (1.4 in) | 49 of 100 (Notable) |
| Jamberoo (the Ridge) | Australia | Record daily precipitation | 59.6 mm (2.3 in) | 48 of 100 (Notable) |
| Condobolin Ag Research STN | Australia | Record daily precipitation | 65.0 mm (2.6 in) | 47 of 100 (Notable) |
| Manilla (Fern Hill) | Australia | Record daily precipitation | 44.4 mm (1.7 in) | 47 of 100 (Notable) |
| Barrengarry (the Old School Ho | Australia | Record daily precipitation | 62.0 mm (2.4 in) | 47 of 100 (Notable) |
| Tombstone | United States | Record high minimum temperature | 12.2 C (54.0 F) | 47 of 100 (Notable) |
| Robertson (the Pie Shop) | Australia | Record daily precipitation | 98.0 mm (3.9 in) | 46 of 100 (Notable) |
| Wee Waa (George St) | Australia | Record daily precipitation | 27.1 mm (1.1 in) | 45 of 100 (Notable) |
| Kurrajong Heights (Bells Line | Australia | Record daily precipitation | 79.0 mm (3.1 in) | 45 of 100 (Notable) |
| Braidwood (Krawarree) | Australia | Record daily precipitation | 29.6 mm (1.2 in) | 45 of 100 (Notable) |
| Pauoa Flats 784 | United States | Record daily precipitation | 204.7 mm (8.1 in) | 45 of 100 (Notable) |
| Quambone Station | Australia | Record daily precipitation | 26.0 mm (1.0 in) | 44 of 100 (Notable) |
| Sutton the Anchorage | Australia | Record daily precipitation | 42.8 mm (1.7 in) | 44 of 100 (Notable) |
| Lewis Hill (St Pauls River) | Australia | Record daily precipitation | 43.8 mm (1.7 in) | 44 of 100 (Notable) |
| Condobolin Retirement Village | Australia | Record daily precipitation | 43.0 mm (1.7 in) | 43 of 100 (Notable) |
| Fairlight Station | Australia | Record daily precipitation | 25.8 mm (1.0 in) | 43 of 100 (Notable) |
| Wattle Hill | Australia | Record daily precipitation | 55.2 mm (2.2 in) | 43 of 100 (Notable) |
| Wallace | United States | Record high maximum temperature | 20.0 C (68.0 F) | 43 of 100 (Notable) |
| McDermitt | United States | Record high maximum temperature | 14.4 C (57.9 F) | 43 of 100 (Notable) |
| Copeton Dam | Australia | Record daily precipitation | 62.0 mm (2.4 in) | 42 of 100 (Notable) |
| Bringelly (Maryland) | Australia | Record daily precipitation | 39.0 mm (1.5 in) | 42 of 100 (Notable) |
| Wedderburn (Booalbyn) | Australia | Record daily precipitation | 34.0 mm (1.3 in) | 42 of 100 (Notable) |
| Big Hill (Glen Dusk) | Australia | Record daily precipitation | 39.0 mm (1.5 in) | 42 of 100 (Notable) |
| Akron 4 E | United States | Record high maximum temperature | 17.8 C (64.0 F) | 42 of 100 (Notable) |
| Ft Morgan | United States | Record high maximum temperature | 18.3 C (64.9 F) | 42 of 100 (Notable) |
| Brassua Dam | United States | Record high maximum temperature | 12.8 C (55.0 F) | 42 of 100 (Notable) |
| Tulloona (Coolanga) | Australia | Record daily precipitation | 64.0 mm (2.5 in) | 41 of 100 (Notable) |
| Warialda Post Office | Australia | Record daily precipitation | 34.6 mm (1.4 in) | 41 of 100 (Notable) |
| Merriwa (Mar-Lea) | Australia | Record daily precipitation | 40.0 mm (1.6 in) | 41 of 100 (Notable) |
| Hunter Springs (Wondecla) | Australia | Record daily precipitation | 69.4 mm (2.7 in) | 41 of 100 (Notable) |
| Oakdale (Cooyong Park) | Australia | Record daily precipitation | 50.0 mm (2.0 in) | 41 of 100 (Notable) |
| Vladivostok | Russia | Record low maximum temperature | -17.7 C (0.1 F) | 41 of 100 (Notable) |
| Trona | United States | Record high minimum temperature | 11.7 C (53.1 F) | 41 of 100 (Notable) |
| Burlington | United States | Record high minimum temperature | 2.2 C (36.0 F) | 41 of 100 (Notable) |
| Mackay Lost Rvr Rs | United States | Record high maximum temperature | 7.8 C (46.0 F) | 41 of 100 (Notable) |
| Spanish Fk Pwr House | United States | Record high minimum temperature | 5.0 C (41.0 F) | 41 of 100 (Notable) |
| Bingara (Keera) | Australia | Record daily precipitation | 32.4 mm (1.3 in) | 40 of 100 (Notable) |
| Cheetham Flats (Jundas) | Australia | Record daily precipitation | 88.0 mm (3.5 in) | 40 of 100 (Notable) |
| Taralga Post Office | Australia | Record daily precipitation | 39.0 mm (1.5 in) | 40 of 100 (Notable) |
Counts by Type and Timescale
1,242 records| Record type | Records |
|---|---|
| Highest daily maximum | 400 |
| Lowest daily maximum | 82 |
| Highest daily minimum | 440 |
| Lowest daily minimum | 69 |
| Heaviest daily rainfall | 249 |
| Heaviest daily snowfall | 0 |
| Deepest snow cover | 2 |
| Timescale | Records |
|---|---|
| all-time | 0 |
| monthly | 11 |
| daily | 1,231 |
How Much Records Were Beaten By
1,071 broken records| Margin | Records |
|---|---|
| 0 to 20 | 1,016 |
| 20 to 40 | 41 |
| 40 to 60 | 10 |
| 60 to 80 | 2 |
| 80 to 100 | 2 |
Top 20 by Significance
20 December 2023| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 20 December 2023 | Mittagong (Kia Ora), AU | daily rain | 84.0 mm (3.3 in) | 50.7 mm (2.0 in) | 73 years | 72 of 100 (Major) |
| 20 December 2023 | Mittagong (Beatrice Street), AU | daily rain | 114.6 mm (4.5 in) | 76.2 mm (3.0 in) | 49 years | 64 of 100 (Major) |
| 20 December 2023 | Foxground Road, AU | daily rain | 82.6 mm (3.3 in) | 59.2 mm (2.3 in) | 73 years | 63 of 100 (Major) |
| 20 December 2023 | Bundarra Post Office, AU | daily rain | 68.8 mm (2.7 in) | 28.2 mm (1.1 in) | 96 years | 62 of 100 (Major) |
| 20 December 2023 | Chichester Dam, AU | daily rain | 108.8 mm (4.3 in) | 80.6 mm (3.2 in) | 48 years | 62 of 100 (Major) |
| 20 December 2023 | Albion Park Post Office, AU | daily rain | 67.0 mm (2.6 in) | 43.6 mm (1.7 in) | 68 years | 60 of 100 (Major) |
| 20 December 2023 | Somerton (Bective Estate), AU | daily rain | 51.0 mm (2.0 in) | 24.3 mm (1.0 in) | 135 years | 59 of 100 (Notable) |
| 20 December 2023 | Nuuanu Rsch 4 783, US | daily rain | 226.8 mm (8.9 in) | 67.3 mm (2.6 in) | 68 years | 56 of 100 (Notable) |
| 20 December 2023 | Narrabri (Mollee), AU | daily rain | 59.6 mm (2.3 in) | 39.5 mm (1.6 in) | 65 years | 55 of 100 (Notable) |
| 20 December 2023 | Woodhouselee (Leeston), AU | daily rain | 38.0 mm (1.5 in) | 17.2 mm (0.7 in) | 125 years | 55 of 100 (Notable) |
| 20 December 2023 | Lugano, CH | daily high max | 17.7 C (63.9 F) | 4.7 C (8.5 F) | 108 years | 55 of 100 (Notable) |
| 20 December 2023 | Braidwood (Wallace Street), AU | daily rain | 39.8 mm (1.6 in) | 21.0 mm (0.8 in) | 82 years | 53 of 100 (Notable) |
| 20 December 2023 | Uralla (Dumaresq St), AU | daily rain | 44.8 mm (1.8 in) | 21.9 mm (0.9 in) | 72 years | 52 of 100 (Notable) |
| 20 December 2023 | Bunnan (Milhaven), AU | daily rain | 45.0 mm (1.8 in) | 19.3 mm (0.8 in) | 96 years | 52 of 100 (Notable) |
| 20 December 2023 | Berambing, AU | daily rain | 73.2 mm (2.9 in) | 32.8 mm (1.3 in) | 68 years | 52 of 100 (Notable) |
| 20 December 2023 | Marulan (George St), AU | daily rain | 52.0 mm (2.0 in) | 23.6 mm (0.9 in) | 73 years | 52 of 100 (Notable) |
| 20 December 2023 | Moonan Flat (High St), AU | daily rain | 46.0 mm (1.8 in) | 13.7 mm (0.5 in) | 120 years | 51 of 100 (Notable) |
| 20 December 2023 | Dungog - Main Creek (Yeranda), AU | daily rain | 72.0 mm (2.8 in) | 50.0 mm (2.0 in) | 48 years | 51 of 100 (Notable) |
| 20 December 2023 | Lowther Park, AU | monthly rain | 85.6 mm (3.4 in) | 19.1 mm (0.8 in) | 52 years | 50 of 100 (Notable) |
| 20 December 2023 | Dungog Post Office, AU | daily rain | 38.0 mm (1.5 in) | 15.1 mm (0.6 in) | 100 years | 49 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
1793 to 2023Counts for years before the ledger starts come from the same station rules.
| Year | Records |
|---|---|
| 1793 | 1 |
| 1795 | 1 |
| 1804 | 1 |
| 1805 | 2 |
| 1808 | 1 |
| 1815 | 1 |
| 1828 | 1 |
| 1837 | 1 |
| 1846 | 1 |
| 1855 | 8 |
| 1858 | 1 |
| 1860 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1871 | 2 |
| 1874 | 3 |
| 1875 | 1 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1884 | 4 |
| 1885 | 1 |
| 1886 | 4 |
| 1889 | 4 |
| 1890 | 2 |
| 1891 | 2 |
| 1892 | 1 |
| 1894 | 2 |
| 1895 | 8 |
| 1896 | 1 |
| 1897 | 4 |
| 1898 | 2 |
| 1899 | 1 |
| 1900 | 7 |
| 1901 | 8 |
| 1902 | 14 |
| 1903 | 17 |
| 1904 | 9 |
| 1905 | 5 |
| 1906 | 5 |
| 1907 | 11 |
| 1908 | 5 |
| 1909 | 22 |
| 1910 | 17 |
| 1911 | 24 |
| 1912 | 27 |
| 1913 | 7 |
| 1914 | 43 |
| 1915 | 18 |
| 1916 | 45 |
| 1917 | 33 |
| 1918 | 18 |
| 1919 | 25 |
| 1920 | 22 |
| 1921 | 101 |
| 1922 | 88 |
| 1923 | 215 |
| 1924 | 332 |
| 1925 | 96 |
| 1926 | 163 |
| 1927 | 200 |
| 1928 | 93 |
| 1929 | 256 |
| 1930 | 67 |
| 1931 | 536 |
| 1932 | 170 |
| 1933 | 492 |
| 1934 | 265 |
| 1935 | 152 |
| 1936 | 416 |
| 1937 | 181 |
| 1938 | 240 |
| 1939 | 308 |
| 1940 | 965 |
| 1941 | 633 |
| 1942 | 817 |
| 1943 | 193 |
| 1944 | 340 |
| 1945 | 430 |
| 1946 | 327 |
| 1947 | 385 |
| 1948 | 345 |
| 1949 | 1,141 |
| 1950 | 758 |
| 1951 | 926 |
| 1952 | 394 |
| 1953 | 385 |
| 1954 | 416 |
| 1955 | 726 |
| 1956 | 471 |
| 1957 | 1,354 |
| 1958 | 382 |
| 1959 | 142 |
| 1960 | 354 |
| 1961 | 369 |
| 1962 | 475 |
| 1963 | 875 |
| 1964 | 499 |
| 1965 | 353 |
| 1966 | 555 |
| 1967 | 1,370 |
| 1968 | 482 |
| 1969 | 514 |
| 1970 | 518 |
| 1971 | 441 |
| 1972 | 448 |
| 1973 | 1,184 |
| 1974 | 328 |
| 1975 | 610 |
| 1976 | 382 |
| 1977 | 484 |
| 1978 | 910 |
| 1979 | 600 |
| 1980 | 667 |
| 1981 | 1,681 |
| 1982 | 712 |
| 1983 | 2,995 |
| 1984 | 1,411 |
| 1985 | 1,035 |
| 1986 | 321 |
| 1987 | 1,179 |
| 1988 | 760 |
| 1989 | 1,812 |
| 1990 | 1,885 |
| 1991 | 1,172 |
| 1992 | 1,134 |
| 1993 | 1,266 |
| 1994 | 813 |
| 1995 | 1,128 |
| 1996 | 1,448 |
| 1997 | 651 |
| 1998 | 1,110 |
| 1999 | 938 |
| 2000 | 1,150 |
| 2001 | 523 |
| 2002 | 943 |
| 2003 | 1,315 |
| 2004 | 836 |
| 2005 | 515 |
| 2006 | 1,387 |
| 2007 | 986 |
| 2008 | 1,356 |
| 2009 | 1,502 |
| 2010 | 2,055 |
| 2011 | 846 |
| 2012 | 1,131 |
| 2013 | 584 |
| 2014 | 524 |
| 2015 | 1,238 |
| 2016 | 603 |
| 2017 | 688 |
| 2018 | 592 |
| 2019 | 731 |
| 2020 | 554 |
| 2021 | 442 |
| 2022 | 567 |
| 2023 | 1,242 |
| 2024 | 897 |
| 2025 | 1,166 |
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).