Weather Records on 15 April 1904

39 weather records were set or tied worldwide on 15 April 1904. Highest significance: Port Stanley, CA.

Key Facts for 15 April 1904

On 15 April 1904, 39 weather records were set or tied at long-record stations worldwide.
10 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 36 daily.
Port Stanley set a daily record snowfall of 34.3 cm (13.5 in) on 15 April 1904.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 496 records.

Record Map

39 stations

39 station records on 15 April 1904 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1904: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Stanley	Canada	Record daily snowfall	34.3 cm (13.5 in)	44 of 100 (Notable)
Stratford	Canada	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Casino Airport	Australia	Record daily precipitation	67.6 mm (2.7 in)	42 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	12.0 C (53.6 F)	31 of 100 (Routine)
Uccle	Belgium	Record high minimum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Woodstock	Canada	Record daily snowfall	16.0 cm (6.3 in)	24 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	-5.0 C (23.0 F)	23 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record high minimum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	26.2 C (79.2 F)	18 of 100 (Routine)
Jena Sternwarte	Germany	Record high maximum temperature	25.3 C (77.5 F)	18 of 100 (Routine)
Harnosand	Sweden	Record daily precipitation	5.9 mm (0.23 in)	18 of 100 (Routine)
Washington	United States	Record low minimum temperature	-2.2 C (28.0 F)	18 of 100 (Routine)
Salzburg	Austria	Record high minimum temperature	12.8 C (55.0 F)	17 of 100 (Routine)
Portland	United States	Record low minimum temperature	-4.4 C (24.1 F)	16 of 100 (Routine)
La Crosse Wb City	United States	Record low maximum temperature	2.2 C (36.0 F)	16 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	16.1 C (61.0 F)	15 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	-1.7 C (28.9 F)	15 of 100 (Routine)
Peterborough	Canada	Record low minimum temperature	-7.8 C (18.0 F)	15 of 100 (Routine)
Fort Sill	United States	Record high maximum temperature	33.3 C (91.9 F)	15 of 100 (Routine)
Southampton	Canada	Record low minimum temperature	-7.2 C (19.0 F)	14 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	16.0 mm (0.6 in)	14 of 100 (Routine)
Port Dover	Canada	Record daily snowfall	15.5 cm (6.1 in)	12 of 100 (Routine)
Woodstock	Canada	Record low minimum temperature	-7.2 C (19.0 F)	12 of 100 (Routine)
Salzburg	Austria	Record high maximum temperature	25.5 C (77.9 F)	11 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	-1.1 C (30.0 F)	11 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	15.5 mm (0.6 in)	11 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	-6.1 C (21.0 F)	11 of 100 (Routine)
Kingston Queens U	Canada	Record low minimum temperature	-7.2 C (19.0 F)	10 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	1.1 C (34.0 F)	10 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	-0.6 C (30.9 F)	10 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	0.0 C (32.0 F)	8 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	6.1 C (43.0 F)	8 of 100 (Routine)
Kingston Queens U	Canada	Record low maximum temperature	1.7 C (35.1 F)	7 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	15.0 C (59.0 F)	5 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	-6.1 C (21.0 F)	2 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low minimum temperature	-1.1 C (30.0 F)	2 of 100 (Routine)
Buffalo	United States	Record low maximum temperature	1.1 C (34.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

39 records

Records set or tied on 15 April 1904 by type: Highest daily maximum 5, Lowest daily maximum 10, Highest daily minimum 5, Lowest daily minimum 10, Heaviest daily rainfall 5, Heaviest daily snowfall 4.

Records on 15 April 1904 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	10
Highest daily minimum	5
Lowest daily minimum	10
Heaviest daily rainfall	5
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 15 April 1904 by timescale: all-time 0, monthly 3, daily 36.

How Much Records Were Beaten By

36 broken records

Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 201.0. Ties are not counted.

Top 20 by Significance

15 April 1904

Top 20 records on 15 April 1904 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1904	Port Stanley, CA	daily snowfall	34.3 cm (13.5 in)	20.1 cm (7.9 in)	10 years	44 of 100 (Notable)
15 April 1904	Stratford, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	38 years	43 of 100 (Notable)
15 April 1904	Casino Airport, AU	daily rain	67.6 mm (2.7 in)	40.7 mm (1.6 in)	45 years	42 of 100 (Notable)
15 April 1904	Port Stanley, CA	daily rain	34.3 mm (1.4 in)	20.1 mm (0.8 in)	10 years	37 of 100 (Notable)
15 April 1904	Jena Sternwarte, DE	daily high min	12.0 C (53.6 F)	0.4 C (0.7 F)	74 years	31 of 100 (Routine)
15 April 1904	Uccle, BE	monthly high min	15.0 C (59.0 F)	0.9 C (1.6 F)	38 years	30 of 100 (Routine)
15 April 1904	Woodstock, CA	monthly snowfall	16.0 cm (6.3 in)	0.8 cm (0.3 in)	30 years	24 of 100 (Routine)
15 April 1904	Peterborough, CA	daily low max	-5.0 C (23.0 F)	7.2 C (13.0 F)	31 years	23 of 100 (Routine)
15 April 1904	Leipzig-Holzhausen, DE	daily high min	12.8 C (55.0 F)	1.4 C (2.5 F)	38 years	19 of 100 (Routine)
15 April 1904	Uccle, BE	monthly high max	26.2 C (79.2 F)	0.6 C (1.1 F)	0 years	18 of 100 (Routine)
15 April 1904	Jena Sternwarte, DE	daily high max	25.3 C (77.5 F)	0.3 C (0.5 F)	34 years	18 of 100 (Routine)
15 April 1904	Harnosand, SE	daily rain	5.9 mm (0.23 in)	2.1 mm (0.08 in)	34 years	18 of 100 (Routine)
15 April 1904	Washington, US	daily low min	-2.2 C (28.0 F)	2.2 C (4.0 F)	26 years	18 of 100 (Routine)
15 April 1904	Salzburg, AT	daily high min	12.8 C (55.0 F)	3.8 C (6.8 F)	9 years	17 of 100 (Routine)
15 April 1904	Portland, US	daily low min	-4.4 C (24.1 F)	3.3 C (5.9 F)	15 years	16 of 100 (Routine)
15 April 1904	La Crosse Wb City, US	daily low max	2.2 C (36.0 F)	3.4 C (6.1 F)	29 years	16 of 100 (Routine)
15 April 1904	Cape Otway Lighthouse, AU	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	30 years	15 of 100 (Routine)
15 April 1904	Port Stanley, CA	daily low max	0.0 C (32.0 F)	3.9 C (7.0 F)	18 years	15 of 100 (Routine)
15 April 1904	Woodstock, CA	daily low max	-1.7 C (28.9 F)	2.3 C (4.1 F)	31 years	15 of 100 (Routine)
15 April 1904	Peterborough, CA	daily low min	-7.8 C (18.0 F)	1.1 C (2.0 F)	34 years	15 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

1801 to 1904

Records set or tied on this calendar date in each year from 1801 to 1904. 1904 had 39 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1904-04-15: 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 50	34
50 to 100	0
100 to 150	1
150 to 200	0
200 to 250	1