Weather Records on 15 December 1998

1,216 weather records were set or tied worldwide on 15 December 1998. Highest significance: Mandora, AU.

Key Facts for 15 December 1998

On 15 December 1998, 1,216 weather records were set or tied at long-record stations worldwide.
818 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 1,193 daily.
Mandora set a daily record precipitation of 136.8 mm (5.4 in) on 15 December 1998.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 451 records.

Record Map

1,216 stations

1,216 station records on 15 December 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mandora	Australia	Record daily precipitation	136.8 mm (5.4 in)	67 of 100 (Major)
Marble Bar Comparison	Australia	Record daily precipitation	118.9 mm (4.7 in)	61 of 100 (Major)
Babb 6 NE	United States	Record daily precipitation	50.8 mm (2.0 in)	61 of 100 (Major)
Pardoo Station	Australia	Record daily precipitation	83.6 mm (3.3 in)	60 of 100 (Major)
Warrawagine	Australia	Record daily precipitation	190.4 mm (7.5 in)	60 of 100 (Major)
Wallal Downs	Australia	Record daily precipitation	158.0 mm (6.2 in)	53 of 100 (Notable)
Three Springs	Australia	Record daily precipitation	28.4 mm (1.1 in)	51 of 100 (Notable)
Chania	Greece	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record high maximum temperature	12.2 C (54.0 F)	45 of 100 (Notable)
Caledonia	United States	Record high maximum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Shawano 2SSW	United States	Record high maximum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Krasnyj Chikoj	Russia	Record high minimum temperature	-5.8 C (21.6 F)	43 of 100 (Notable)
Emmetsburg	United States	Record high maximum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Mather 3 NW	United States	Record high maximum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Gann Valley 4NW	United States	Record high maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Escanaba	United States	Record high maximum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Marquette	United States	Record high minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Morretes	Brazil	Record daily precipitation	64.2 mm (2.5 in)	40 of 100 (Notable)
Aksa	Russia	Record high minimum temperature	-6.2 C (20.8 F)	40 of 100 (Notable)
Ft Madison	United States	Record high maximum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Ashland Exp Farm	United States	Record high maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Mogen	Norway	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Stevens Pt	United States	Record high maximum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
West Bend	United States	Record high maximum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Cobbora (Ellismayne)	Australia	Record daily precipitation	44.6 mm (1.8 in)	38 of 100 (Notable)
Vik I Sogn III	Norway	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
Srednij Kalar	Russia	Record high minimum temperature	-14.1 C (6.6 F)	38 of 100 (Notable)
Palm Springs	United States	Record high minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Hillsboro 3 N	United States	Record high minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Sturgeon Bay Exp Farm	United States	Record high maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Fowlers Gap Research Station	Australia	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Sretensk	Russia	Record high minimum temperature	-9.2 C (15.4 F)	37 of 100 (Notable)
Downieville	United States	Record high maximum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Yosemite Park HQ	United States	Record high maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Gull Lake Dam	United States	Record high maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Long Prairie	United States	Record high maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Pipestone	United States	Record high maximum temperature	12.2 C (54.0 F)	37 of 100 (Notable)
Mauston 1 SE	United States	Record high maximum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Park Falls Dnr HQ	United States	Record high maximum temperature	8.3 C (46.9 F)	37 of 100 (Notable)
Prentice #2	United States	Record high maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Stanley Wwtp	United States	Record high maximum temperature	11.1 C (52.0 F)	37 of 100 (Notable)
Waupaca	United States	Record high maximum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
New Salem 5NW	United States	Record high maximum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Marshfield Exp Farm	United States	Record high maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Prairie du Chien	United States	Record high maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Alvundfjord	Norway	Record daily precipitation	39.0 mm (1.5 in)	34 of 100 (Routine)
Inyokern	United States	Record high minimum temperature	12.2 C (54.0 F)	34 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Williamsburg 1E	United States	Record high maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Amery	United States	Record high maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Bayfield 6 N	United States	Record high maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Mauston 1 SE	United States	Record high minimum temperature	1.7 C (35.1 F)	34 of 100 (Routine)
Oshkosh	United States	Record high maximum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Richland Ctr	United States	Record high maximum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
China Lake Naf	United States	Record high minimum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Pemberton	Australia	Record high minimum temperature	24.6 C (76.3 F)	33 of 100 (Routine)
Cobar (Double Gates)	Australia	Record daily precipitation	38.0 mm (1.5 in)	33 of 100 (Routine)
Healdsburg	United States	Record high maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Grand Meadow	United States	Record high maximum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Hay Springs	United States	Record high maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,216 records

Records set or tied on 15 December 1998 by type: Highest daily maximum 480, Lowest daily maximum 47, Highest daily minimum 338, Lowest daily minimum 32, Heaviest daily rainfall 312, Heaviest daily snowfall 3, Deepest snow cover 4.

Records on 15 December 1998 by type
Record type	Records
Highest daily maximum	480
Lowest daily maximum	47
Highest daily minimum	338
Lowest daily minimum	32
Heaviest daily rainfall	312
Heaviest daily snowfall	3
Deepest snow cover	4

Records on 15 December 1998 by timescale: all-time 2, monthly 21, daily 1,193.

How Much Records Were Beaten By

1,038 broken records

Margins by which the 1,038 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 108.0. Ties are not counted.

Top 20 by Significance

15 December 1998

Top 20 records on 15 December 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 1998	Mandora, AU	daily rain	136.8 mm (5.4 in)	103.8 mm (4.1 in)	65 years	67 of 100 (Major)
15 December 1998	Marble Bar Comparison, AU	daily rain	118.9 mm (4.7 in)	108.0 mm (4.3 in)	39 years	61 of 100 (Major)
15 December 1998	Babb 6 NE, US	monthly rain	50.8 mm (2.0 in)	10.9 mm (0.4 in)	62 years	61 of 100 (Major)
15 December 1998	Pardoo Station, AU	daily rain	83.6 mm (3.3 in)	74.7 mm (2.9 in)	65 years	60 of 100 (Major)
15 December 1998	Warrawagine, AU	all-time rain	190.4 mm (7.5 in)	41.4 mm (1.6 in)	11 years	60 of 100 (Major)
15 December 1998	Wallal Downs, AU	daily rain	158.0 mm (6.2 in)	107.5 mm (4.2 in)	48 years	53 of 100 (Notable)
15 December 1998	Three Springs, AU	daily rain	28.4 mm (1.1 in)	23.6 mm (0.9 in)	8 years	51 of 100 (Notable)
15 December 1998	Chania, GR	daily rain	48.0 mm (1.9 in)	33.2 mm (1.3 in)	36 years	46 of 100 (Notable)
15 December 1998	Iron Mtn-Kingsford Wwtp, US	daily high max	12.2 C (54.0 F)	5.0 C (9.0 F)	88 years	45 of 100 (Notable)
15 December 1998	Caledonia, US	daily high max	11.1 C (52.0 F)	3.3 C (5.9 F)	103 years	45 of 100 (Notable)
15 December 1998	Shawano 2SSW, US	daily high max	10.6 C (51.1 F)	2.8 C (5.0 F)	103 years	45 of 100 (Notable)
15 December 1998	Krasnyj Chikoj, RU	daily high min	-5.8 C (21.6 F)	8.1 C (14.6 F)	83 years	43 of 100 (Notable)
15 December 1998	Emmetsburg, US	daily high max	12.8 C (55.0 F)	2.2 C (4.0 F)	103 years	43 of 100 (Notable)
15 December 1998	Mather 3 NW, US	daily high max	12.2 C (54.0 F)	5.0 C (9.0 F)	92 years	43 of 100 (Notable)
15 December 1998	Gann Valley 4NW, US	daily high max	19.4 C (66.9 F)	5.5 C (9.9 F)	84 years	42 of 100 (Notable)
15 December 1998	Escanaba, US	daily high max	7.8 C (46.0 F)	1.1 C (2.0 F)	120 years	42 of 100 (Notable)
15 December 1998	Marquette, US	daily high min	2.8 C (37.0 F)	1.7 C (3.1 F)	120 years	42 of 100 (Notable)
15 December 1998	Morretes, BR	daily rain	64.2 mm (2.5 in)	33.0 mm (1.3 in)	40 years	40 of 100 (Notable)
15 December 1998	Aksa, RU	daily high min	-6.2 C (20.8 F)	12.7 C (22.9 F)	47 years	40 of 100 (Notable)
15 December 1998	Ft Madison, US	daily high max	14.4 C (57.9 F)	0.5 C (0.9 F)	104 years	40 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 1998

Records set or tied on this calendar date in each year from 1793 to 1998. 1998 had 1,216 records.

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

Records on 12-15 in each year
Year	Records
1793	1
1796	1
1798	1
1800	1
1808	3
1810	1
1814	3
1815	1
1825	1
1831	1
1840	2
1844	2
1846	3
1847	1
1854	3
1859	2
1863	1
1864	1
1866	1
1867	2
1868	1
1869	1
1870	1
1873	1
1874	1
1878	4
1879	2
1880	2
1881	3
1882	2
1883	1
1885	1
1886	1
1889	3
1890	1
1891	2
1892	4
1893	1
1894	4
1895	1
1896	5
1897	2
1899	12
1900	5
1901	21
1902	3
1903	7
1904	9
1905	6
1906	9
1907	10
1908	5
1909	5
1910	4
1911	23
1912	42
1913	13
1914	239
1915	180
1916	40
1917	40
1918	54
1919	28
1920	35
1921	26
1922	65
1923	132
1924	358
1925	187
1926	226
1927	235
1928	388
1929	500
1930	160
1931	284
1932	385
1933	796
1934	199
1935	140
1936	286
1937	310
1938	100
1939	637
1940	464
1941	373
1942	385
1943	486
1944	281
1945	420
1946	521
1947	634
1948	1,239
1949	135
1950	292
1951	962
1952	367
1953	270
1954	413
1955	371
1956	531
1957	304
1958	531
1959	560
1960	313
1961	883
1962	979
1963	670
1964	371
1965	759
1966	275
1967	948
1968	510
1969	352
1970	215
1971	1,739
1972	1,159
1973	615
1974	511
1975	1,230
1976	349
1977	963
1978	499
1979	560
1980	1,085
1981	1,243
1982	831
1983	1,229
1984	1,397
1985	1,077
1986	502
1987	1,740
1988	519
1989	2,753
1990	846
1991	636
1992	1,263
1993	734
1994	676
1995	848
1996	727
1997	1,521
1998	1,216
1999	621
2000	1,154
2001	1,026
2002	831
2003	846
2004	795
2005	953
2006	1,491
2007	973
2008	1,789
2009	930
2010	1,705
2011	780
2012	1,058
2013	701
2014	1,045
2015	1,398
2016	1,024
2017	332
2018	539
2019	547
2020	400
2021	1,182
2022	1,057
2023	794
2024	369
2025	2,115

Download the Data

Data for records on 1998-12-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	1,018
20 to 40	12
40 to 60	1
60 to 80	3
80 to 100	0
100 to 120	4