Weather Records on 15 December 1938

100 weather records were set or tied worldwide on 15 December 1938. Highest significance: Ozena, US.

Key Facts for 15 December 1938

On 15 December 1938, 100 weather records were set or tied at long-record stations worldwide.
41 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 100 daily.
Ozena set a daily record precipitation of 74.9 mm (2.9 in) on 15 December 1938.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 458 records.

Record Map

100 stations

100 station records on 15 December 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ozena	United States	Record daily precipitation	74.9 mm (2.9 in)	43 of 100 (Notable)
San Diego Wbo	United States	Record daily precipitation	59.7 mm (2.4 in)	36 of 100 (Notable)
Kingman	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
New Market	South Africa	Record daily precipitation	35.1 mm (1.4 in)	24 of 100 (Routine)
Indio Fire STN	United States	Record low maximum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	-15.9 C (3.4 F)	21 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	-42.0 C (-43.6 F)	21 of 100 (Routine)
Parker	United States	Record daily precipitation	28.7 mm (1.1 in)	21 of 100 (Routine)
Mangowine	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Mahackala	Russia	Record daily precipitation	15.8 mm (0.6 in)	20 of 100 (Routine)
Hypoluxo	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Chardzhev	Turkmenistan	Record daily precipitation	7.8 mm (0.31 in)	20 of 100 (Routine)
Babuskin	Russia	Record daily precipitation	10.5 mm (0.4 in)	20 of 100 (Routine)
Kazan	Russia	Record low maximum temperature	-25.9 C (-14.6 F)	20 of 100 (Routine)
Oracle	United States	Record high minimum temperature	8.3 C (46.9 F)	20 of 100 (Routine)
Boulder	United States	Record daily precipitation	10.2 mm (0.4 in)	19 of 100 (Routine)
Durban Roodepoort Deep Gm	South Africa	Record daily precipitation	30.5 mm (1.2 in)	18 of 100 (Routine)
Santa Barbara	United States	Record high minimum temperature	11.7 C (53.1 F)	18 of 100 (Routine)
Kurgan	Russia	Record low minimum temperature	-39.9 C (-39.8 F)	17 of 100 (Routine)
Gila Bend 2SE	United States	Record high minimum temperature	10.6 C (51.1 F)	17 of 100 (Routine)
Fort National	Algeria	Record high minimum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
Daveyhurst Mulwarrie	Australia	Record daily precipitation	2.8 mm (0.11 in)	16 of 100 (Routine)
Cherdyn'	Russia	Record low minimum temperature	-37.5 C (-35.5 F)	16 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	-28.3 C (-18.9 F)	16 of 100 (Routine)
Wofford Hts Kernville	United States	Record daily precipitation	10.4 mm (0.4 in)	16 of 100 (Routine)
Kalgoorlie Post Office	Australia	Record daily precipitation	4.1 mm (0.16 in)	15 of 100 (Routine)
Perpignan	France	Record high minimum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Kustanai	Kazakhstan	Record low minimum temperature	-39.9 C (-39.8 F)	15 of 100 (Routine)
Poretskoye	Russia	Record low maximum temperature	-24.9 C (-12.8 F)	15 of 100 (Routine)
Tucson WFO	United States	Record high minimum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
Boulder	United States	Record daily snowfall	11.4 cm (4.5 in)	15 of 100 (Routine)
Malcolm	Australia	Record daily precipitation	3.8 mm (0.15 in)	14 of 100 (Routine)
Grenfell	Canada	Record daily precipitation	7.6 mm (0.30 in)	14 of 100 (Routine)
Grenfell	Canada	Record daily snowfall	7.6 cm (3.0 in)	14 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record low minimum temperature	-39.1 C (-38.4 F)	14 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	-48.4 C (-55.1 F)	14 of 100 (Routine)
Tomsk	Russia	Record low minimum temperature	-48.8 C (-55.8 F)	14 of 100 (Routine)
Grover 10 W	United States	Record daily precipitation	1.0 mm (0.04 in)	14 of 100 (Routine)
Ainsworth	United States	Record high maximum temperature	16.1 C (61.0 F)	14 of 100 (Routine)
Esperance Post Office	Australia	Record high minimum temperature	20.5 C (68.9 F)	13 of 100 (Routine)
Emu Park Hill St	Australia	Record daily precipitation	53.1 mm (2.1 in)	13 of 100 (Routine)
Barabinsk	Russia	Record low minimum temperature	-44.1 C (-47.4 F)	13 of 100 (Routine)
Rouxville (Pol)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	13 of 100 (Routine)
Buckeye	United States	Record high minimum temperature	11.1 C (52.0 F)	13 of 100 (Routine)
Tuba City	United States	Record high maximum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Kirensk	Russia	Record low minimum temperature	-48.4 C (-55.1 F)	12 of 100 (Routine)
Sonora	United States	Record high maximum temperature	17.8 C (64.0 F)	12 of 100 (Routine)
New Smyrna Beach	United States	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
Dulce	United States	Record daily precipitation	10.7 mm (0.4 in)	12 of 100 (Routine)
Hana 354	United States	Record high minimum temperature	22.8 C (73.0 F)	12 of 100 (Routine)
Karasjok	Norway	Record high minimum temperature	0.4 C (32.7 F)	11 of 100 (Routine)
Douglas Smelter	United States	Record low maximum temperature	8.9 C (48.0 F)	11 of 100 (Routine)
Maricopa 9 SSW	United States	Record high minimum temperature	10.6 C (51.1 F)	11 of 100 (Routine)
Boerne	United States	Record low minimum temperature	-6.7 C (19.9 F)	11 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record high minimum temperature	10.0 C (50.0 F)	10 of 100 (Routine)
Marble Bar Comparison	Australia	Record high minimum temperature	30.0 C (86.0 F)	10 of 100 (Routine)
Greeley	United States	Record daily precipitation	1.8 mm (0.07 in)	10 of 100 (Routine)
Holy Cross	United States	Record high minimum temperature	-2.8 C (27.0 F)	10 of 100 (Routine)
Kanowna	Australia	Record daily precipitation	1.5 mm (0.06 in)	9 of 100 (Routine)
Vilatnikulam	India	Record daily precipitation	4.6 mm (0.18 in)	9 of 100 (Routine)

Counts by Type and Timescale

100 records

Records set or tied on 15 December 1938 by type: Highest daily maximum 14, Lowest daily maximum 8, Highest daily minimum 27, Lowest daily minimum 15, Heaviest daily rainfall 31, Heaviest daily snowfall 5.

Records on 15 December 1938 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	8
Highest daily minimum	27
Lowest daily minimum	15
Heaviest daily rainfall	31
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 15 December 1938 by timescale: all-time 0, monthly 0, daily 100.

How Much Records Were Beaten By

80 broken records

Margins by which the 80 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.6. Ties are not counted.

Top 20 by Significance

15 December 1938

Top 20 records on 15 December 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 1938	Ozena, US	daily rain	74.9 mm (2.9 in)	73.6 mm (2.9 in)	1 year	43 of 100 (Notable)
15 December 1938	San Diego Wbo, US	daily rain	59.7 mm (2.4 in)	15.2 mm (0.6 in)	48 years	36 of 100 (Notable)
15 December 1938	Kingman, US	daily rain	36.8 mm (1.4 in)	27.7 mm (1.1 in)	13 years	33 of 100 (Routine)
15 December 1938	New Market, ZA	daily rain	35.1 mm (1.4 in)	16.0 mm (0.6 in)	19 years	24 of 100 (Routine)
15 December 1938	Indio Fire STN, US	daily low max	10.6 C (51.1 F)	4.4 C (7.9 F)	29 years	22 of 100 (Routine)
15 December 1938	Vasilevici, BY	daily low min	-15.9 C (3.4 F)	3.0 C (5.4 F)	43 years	21 of 100 (Routine)
15 December 1938	Tobolsk, RU	daily low min	-42.0 C (-43.6 F)	2.0 C (3.6 F)	49 years	21 of 100 (Routine)
15 December 1938	Parker, US	daily rain	28.7 mm (1.1 in)	10.9 mm (0.4 in)	4 years	21 of 100 (Routine)
15 December 1938	Mangowine, AU	daily rain	8.4 mm (0.33 in)	8.4 mm (0.33 in)	50 years	20 of 100 (Routine)
15 December 1938	Mahackala, RU	daily rain	15.8 mm (0.6 in)	4.3 mm (0.17 in)	40 years	20 of 100 (Routine)
15 December 1938	Hypoluxo, US	daily rain	24.1 mm (0.9 in)	13.9 mm (0.5 in)	24 years	20 of 100 (Routine)
15 December 1938	Chardzhev, TM	daily rain	7.8 mm (0.31 in)	2.5 mm (0.10 in)	42 years	20 of 100 (Routine)
15 December 1938	Babuskin, RU	daily rain	10.5 mm (0.4 in)	4.2 mm (0.17 in)	7 years	20 of 100 (Routine)
15 December 1938	Kazan, RU	daily low max	-25.9 C (-14.6 F)	4.4 C (7.9 F)	36 years	20 of 100 (Routine)
15 December 1938	Oracle, US	daily high min	8.3 C (46.9 F)	1.6 C (2.9 F)	42 years	20 of 100 (Routine)
15 December 1938	Boulder, US	daily rain	10.2 mm (0.4 in)	5.6 mm (0.22 in)	23 years	19 of 100 (Routine)
15 December 1938	Durban Roodepoort Deep Gm, ZA	daily rain	30.5 mm (1.2 in)	17.3 mm (0.7 in)	7 years	18 of 100 (Routine)
15 December 1938	Santa Barbara, US	daily high min	11.7 C (53.1 F)	1.1 C (2.0 F)	38 years	18 of 100 (Routine)
15 December 1938	Kurgan, RU	daily low min	-39.9 C (-39.8 F)	9.9 C (17.8 F)	4 years	17 of 100 (Routine)
15 December 1938	Gila Bend 2SE, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	42 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

1793 to 1938

Records set or tied on this calendar date in each year from 1793 to 1938. 1938 had 100 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 1938-12-15: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	69
10 to 20	7
20 to 30	2
30 to 40	1
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1