Weather Records on 28 April 1917

41 weather records were set or tied worldwide on 28 April 1917. Highest significance: Bird Rocks, CA.

Key Facts for 28 April 1917

On 28 April 1917, 41 weather records were set or tied at long-record stations worldwide.
1 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 41 daily.
Bird Rocks set a daily record precipitation of 38.1 mm (1.5 in) on 28 April 1917.
Across 161 earlier years (1795 to 2026) the same calendar date averaged 480 records.

Record Map

41 stations

41 station records on 28 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 April 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bird Rocks	Canada	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Bic	Canada	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Pointe Au Pere	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	5.8 C (42.4 F)	19 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low minimum temperature	-11.5 C (11.3 F)	19 of 100 (Routine)
Chatham	Canada	Record daily precipitation	16.3 mm (0.6 in)	18 of 100 (Routine)
Point Escuminac	Canada	Record daily snowfall	2.8 cm (1.1 in)	17 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	5.8 C (42.4 F)	17 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	1.7 C (35.1 F)	16 of 100 (Routine)
Saint John	Canada	Record low maximum temperature	2.8 C (37.0 F)	16 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	7.2 mm (0.28 in)	16 of 100 (Routine)
Pitea	Sweden	Record low maximum temperature	-3.0 C (26.6 F)	16 of 100 (Routine)
Chatham	Canada	Record daily snowfall	4.8 cm (1.9 in)	15 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	6.2 C (43.2 F)	15 of 100 (Routine)
Sveg	Sweden	Record low minimum temperature	-12.5 C (9.5 F)	15 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	0.5 C (32.9 F)	15 of 100 (Routine)
Umea	Sweden	Record low maximum temperature	-1.0 C (30.2 F)	14 of 100 (Routine)
Brinkworth (Bungaree)	Australia	Record daily precipitation	6.1 mm (0.24 in)	13 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record low maximum temperature	3.5 C (38.3 F)	13 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	5.5 C (41.9 F)	12 of 100 (Routine)
Visby_Flygplats	Sweden	Record low maximum temperature	1.6 C (34.9 F)	12 of 100 (Routine)
Concordia ASOS	United States	Record daily precipitation	21.6 mm (0.9 in)	12 of 100 (Routine)
Burrundulla	Australia	Record daily precipitation	2.5 mm (0.10 in)	9 of 100 (Routine)
Nagambie Cba	Australia	Record daily precipitation	1.0 mm (0.04 in)	9 of 100 (Routine)
Sydney	Canada	Record daily precipitation	24.9 mm (1.0 in)	9 of 100 (Routine)
Wallaloo	Australia	Record daily precipitation	3.8 mm (0.15 in)	8 of 100 (Routine)
Bic	Canada	Record daily precipitation	12.7 mm (0.5 in)	8 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	6.9 C (44.4 F)	8 of 100 (Routine)
Halmstad	Sweden	Record low maximum temperature	5.5 C (41.9 F)	8 of 100 (Routine)
Batlow Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	7 of 100 (Routine)
Wilmington Wb City	United States	Record high maximum temperature	31.7 C (89.1 F)	7 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	0.6 C (33.1 F)	7 of 100 (Routine)
Tumut (Wattle Cres)	Australia	Record daily precipitation	2.3 mm (0.09 in)	6 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	4.4 C (39.9 F)	3 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-1.5 C (29.3 F)	3 of 100 (Routine)
Jonkoping	Sweden	Record low maximum temperature	2.5 C (36.5 F)	3 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	0.0 C (32.0 F)	3 of 100 (Routine)
Harnosand	Sweden	Record low maximum temperature	1.0 C (33.8 F)	2 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	16.0 C (60.8 F)	1 of 100 (Routine)
Alton	Canada	Record low maximum temperature	7.2 C (45.0 F)	1 of 100 (Routine)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	3.0 mm (0.12 in)	1 of 100 (Routine)

Counts by Type and Timescale

41 records

Records set or tied on 28 April 1917 by type: Highest daily maximum 1, Lowest daily maximum 18, Lowest daily minimum 5, Heaviest daily rainfall 13, Heaviest daily snowfall 4.

Records on 28 April 1917 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	18
Highest daily minimum	0
Lowest daily minimum	5
Heaviest daily rainfall	13
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 28 April 1917 by timescale: all-time 0, monthly 0, daily 41.

How Much Records Were Beaten By

33 broken records

Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

28 April 1917

Top 20 records on 28 April 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 April 1917	Bird Rocks, CA	daily rain	38.1 mm (1.5 in)	30.5 mm (1.2 in)	11 years	46 of 100 (Notable)
28 April 1917	Bic, CA	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	33 years	31 of 100 (Routine)
28 April 1917	Pointe Au Pere, CA	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	42 years	20 of 100 (Routine)
28 April 1917	Nuwara Eliya, LK	daily low min	5.8 C (42.4 F)	0.9 C (1.6 F)	41 years	19 of 100 (Routine)
28 April 1917	Oestersund-Froesoen, SE	daily low min	-11.5 C (11.3 F)	3.7 C (6.7 F)	28 years	19 of 100 (Routine)
28 April 1917	Chatham, CA	daily rain	16.3 mm (0.6 in)	8.2 mm (0.32 in)	8 years	18 of 100 (Routine)
28 April 1917	Point Escuminac, CA	daily snowfall	2.8 cm (1.1 in)	2.8 cm (1.1 in)	30 years	17 of 100 (Routine)
28 April 1917	Magdeburg, DE	daily low max	5.8 C (42.4 F)	2.4 C (4.3 F)	35 years	17 of 100 (Routine)
28 April 1917	Pointe Au Pere, CA	daily low max	1.7 C (35.1 F)	1.1 C (2.0 F)	34 years	16 of 100 (Routine)
28 April 1917	Saint John, CA	daily low max	2.8 C (37.0 F)	1.1 C (2.0 F)	34 years	16 of 100 (Routine)
28 April 1917	Koebenhavn: Landbohojskolen-1, DK	daily rain	7.2 mm (0.28 in)	0.9 mm (0.04 in)	34 years	16 of 100 (Routine)
28 April 1917	Pitea, SE	daily low max	-3.0 C (26.6 F)	2.0 C (3.6 F)	30 years	16 of 100 (Routine)
28 April 1917	Chatham, CA	daily snowfall	4.8 cm (1.9 in)	3.8 cm (1.5 in)	16 years	15 of 100 (Routine)
28 April 1917	Berlin-Dahlem, DE	daily low max	6.2 C (43.2 F)	0.3 C (0.5 F)	37 years	15 of 100 (Routine)
28 April 1917	Sveg, SE	daily low min	-12.5 C (9.5 F)	3.5 C (6.3 F)	16 years	15 of 100 (Routine)
28 April 1917	Stockholm, SE	daily low max	0.5 C (32.9 F)	1.5 C (2.7 F)	30 years	15 of 100 (Routine)
28 April 1917	Umea, SE	daily low max	-1.0 C (30.2 F)	1.0 C (1.8 F)	30 years	14 of 100 (Routine)
28 April 1917	Brinkworth (Bungaree), AU	daily rain	6.1 mm (0.24 in)	3.1 mm (0.12 in)	21 years	13 of 100 (Routine)
28 April 1917	Vasteras-Hasslo, SE	daily low max	3.5 C (38.3 F)	0.5 C (0.9 F)	30 years	13 of 100 (Routine)
28 April 1917	Vestervig, DK	daily low max	5.5 C (41.9 F)	0.2 C (0.4 F)	28 years	12 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

1795 to 1917

Records set or tied on this calendar date in each year from 1795 to 1917. 1917 had 41 records.

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

Records on 04-28 in each year
Year	Records
1795	1
1800	1
1803	1
1814	2
1817	4
1840	1
1841	1
1843	1
1844	1
1853	1
1857	2
1861	1
1862	1
1866	2
1871	1
1872	1
1874	5
1877	2
1878	1
1879	1
1882	2
1883	1
1885	1
1888	1
1889	1
1890	2
1891	3
1892	4
1893	1
1894	2
1895	3
1896	2
1897	2
1898	5
1899	2
1900	6
1901	7
1902	11
1903	3
1904	13
1905	6
1906	9
1907	19
1908	24
1909	43
1910	12
1911	29
1912	13
1913	69
1914	28
1915	46
1916	15
1917	41
1918	18
1919	63
1920	51
1921	89
1922	87
1923	126
1924	70
1925	114
1926	265
1927	132
1928	713
1929	136
1930	105
1931	291
1932	247
1933	327
1934	530
1935	430
1936	143
1937	698
1938	444
1939	356
1940	348
1941	268
1942	665
1943	442
1944	245
1945	371
1946	418
1947	547
1948	545
1949	580
1950	661
1951	617
1952	894
1953	482
1954	900
1955	583
1956	812
1957	614
1958	535
1959	647
1960	582
1961	222
1962	603
1963	568
1964	394
1965	707
1966	800
1967	947
1968	536
1969	432
1970	1,977
1971	570
1972	523
1973	915
1974	777
1975	795
1976	822
1977	533
1978	496
1979	783
1980	644
1981	967
1982	710
1983	1,156
1984	1,357
1985	959
1986	1,029
1987	1,822
1988	967
1989	1,089
1990	1,608
1991	913
1992	2,252
1993	1,191
1994	1,906
1995	726
1996	967
1997	1,784
1998	942
1999	632
2000	1,113
2001	1,015
2002	1,287
2003	958
2004	887
2005	1,056
2006	782
2007	1,340
2008	1,407
2009	979
2010	905
2011	1,161
2012	1,135
2013	721
2014	704
2015	468
2016	783
2017	829
2018	384
2019	662
2020	535
2021	482
2022	532
2023	834
2024	594
2025	650
2026	521

Download the Data

Data for records on 1917-04-28: 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 20	28
20 to 40	4
40 to 60	0
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	1