Weather Records on 17 April 1929

145 weather records were set or tied worldwide on 17 April 1929. Highest significance: Sable Island, CA.

Key Facts for 17 April 1929

On 17 April 1929, 145 weather records were set or tied at long-record stations worldwide.
7 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 144 daily.
Sable Island set a daily record precipitation of 52.6 mm (2.1 in) on 17 April 1929.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 454 records.

Record Map

145 stations

145 station records on 17 April 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sable Island	Canada	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
Briksdal	Norway	Record daily precipitation	44.7 mm (1.8 in)	45 of 100 (Notable)
Montreal McGill	Canada	Record daily snowfall	10.4 cm (4.1 in)	37 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record high minimum temperature	16.0 C (60.8 F)	32 of 100 (Routine)
Gardiner	United States	Record daily precipitation	49.3 mm (1.9 in)	32 of 100 (Routine)
Romney 1 SW	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Farmington	United States	Record daily precipitation	41.9 mm (1.6 in)	30 of 100 (Routine)
Guy Fawkes 2	Australia	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Clontarf	Canada	Record daily snowfall	6.4 cm (2.5 in)	28 of 100 (Routine)
Roberts Dam	United States	Record daily precipitation	63.2 mm (2.5 in)	26 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	27.2 mm (1.1 in)	24 of 100 (Routine)
Renfrew	Canada	Record daily snowfall	7.1 cm (2.8 in)	23 of 100 (Routine)
Kon-Kolodez	Russia	Record low minimum temperature	-9.8 C (14.4 F)	23 of 100 (Routine)
Syktyvkar	Russia	Record low minimum temperature	-18.0 C (-0.4 F)	22 of 100 (Routine)
Tranebjerg	Denmark	Record low minimum temperature	-3.5 C (25.7 F)	21 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	-4.2 C (24.4 F)	21 of 100 (Routine)
Uman	Ukraine	Record low maximum temperature	0.5 C (32.9 F)	21 of 100 (Routine)
Harpers Ferry River	United States	Record daily precipitation	37.1 mm (1.5 in)	21 of 100 (Routine)
Fredericton Unb	Canada	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Portland	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	8.0 mm (0.31 in)	20 of 100 (Routine)
Oneonta 1 S	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Lock #4	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Wolfville	Canada	Record daily precipitation	33.8 mm (1.3 in)	20 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	-5.3 C (22.5 F)	20 of 100 (Routine)
Orono	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Hinton 1	United States	Record low maximum temperature	5.6 C (42.1 F)	20 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	11.9 mm (0.5 in)	19 of 100 (Routine)
Anticosti SW Point	Canada	Record daily snowfall	13.2 cm (5.2 in)	19 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	-4.9 C (23.2 F)	19 of 100 (Routine)
Kon-Kolodez	Russia	Record low maximum temperature	-3.6 C (25.5 F)	19 of 100 (Routine)
Feodosiia	Ukraine	Record low minimum temperature	-0.4 C (31.3 F)	19 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	23.6 mm (0.9 in)	19 of 100 (Routine)
Vilnius	Lithuania	Record low minimum temperature	-4.6 C (23.7 F)	18 of 100 (Routine)
Odesa	Ukraine	Record low minimum temperature	-1.9 C (28.6 F)	17 of 100 (Routine)
Cortland	United States	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Uniontown 1 NE	United States	Record daily precipitation	13.7 mm (0.5 in)	17 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	-2.7 C (27.1 F)	16 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	-3.9 C (25.0 F)	16 of 100 (Routine)
Calarasi	Romania	Record low maximum temperature	5.4 C (41.7 F)	16 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	-7.8 C (18.0 F)	16 of 100 (Routine)
Nashua 2 NNW	United States	Record low maximum temperature	6.7 C (44.1 F)	16 of 100 (Routine)
Northfield	United States	Record daily snowfall	6.4 cm (2.5 in)	16 of 100 (Routine)
Elatma	Russia	Record low minimum temperature	-10.2 C (13.6 F)	15 of 100 (Routine)
Kiev	Ukraine	Record low maximum temperature	1.1 C (34.0 F)	15 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	-5.3 C (22.5 F)	15 of 100 (Routine)
Santa Barbara	United States	Record low maximum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
Storrs	United States	Record low maximum temperature	5.0 C (41.0 F)	15 of 100 (Routine)
Lewiston	United States	Record daily precipitation	31.0 mm (1.2 in)	15 of 100 (Routine)
Keene	United States	Record daily precipitation	18.3 mm (0.7 in)	15 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	-5.0 C (23.0 F)	14 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	13.2 mm (0.5 in)	14 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	-3.7 C (25.3 F)	14 of 100 (Routine)
Independence	United States	Record high minimum temperature	12.2 C (54.0 F)	14 of 100 (Routine)
Worcester	United States	Record low maximum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
Salisbury	United States	Record low maximum temperature	12.2 C (54.0 F)	14 of 100 (Routine)
Pawtucket	United States	Record low maximum temperature	6.1 C (43.0 F)	14 of 100 (Routine)
Kirchdorf/Poel	Germany	Record low minimum temperature	-1.9 C (28.6 F)	13 of 100 (Routine)
Ostrov Sosnovez	Russia	Record low minimum temperature	-16.3 C (2.7 F)	13 of 100 (Routine)

Counts by Type and Timescale

145 records

Records set or tied on 17 April 1929 by type: Highest daily maximum 5, Lowest daily maximum 58, Highest daily minimum 2, Lowest daily minimum 31, Heaviest daily rainfall 44, Heaviest daily snowfall 5.

Records on 17 April 1929 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	58
Highest daily minimum	2
Lowest daily minimum	31
Heaviest daily rainfall	44
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 17 April 1929 by timescale: all-time 0, monthly 1, daily 144.

How Much Records Were Beaten By

124 broken records

Margins by which the 124 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.0. Ties are not counted.

Top 20 by Significance

17 April 1929

Top 20 records on 17 April 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1929	Sable Island, CA	daily rain	52.6 mm (2.1 in)	39.4 mm (1.6 in)	8 years	45 of 100 (Notable)
17 April 1929	Briksdal, NO	daily rain	44.7 mm (1.8 in)	33.1 mm (1.3 in)	10 years	45 of 100 (Notable)
17 April 1929	Montreal McGill, CA	daily snowfall	10.4 cm (4.1 in)	7.9 cm (3.1 in)	53 years	37 of 100 (Notable)
17 April 1929	Oran-Hopital Militaire, DZ	daily high min	16.0 C (60.8 F)	1.0 C (1.8 F)	70 years	32 of 100 (Routine)
17 April 1929	Gardiner, US	daily rain	49.3 mm (1.9 in)	27.7 mm (1.1 in)	10 years	32 of 100 (Routine)
17 April 1929	Romney 1 SW, US	daily rain	34.3 mm (1.4 in)	24.1 mm (0.9 in)	19 years	31 of 100 (Routine)
17 April 1929	Farmington, US	daily rain	41.9 mm (1.6 in)	24.1 mm (0.9 in)	8 years	30 of 100 (Routine)
17 April 1929	Guy Fawkes 2, AU	daily rain	52.1 mm (2.1 in)	38.1 mm (1.5 in)	23 years	29 of 100 (Routine)
17 April 1929	Clontarf, CA	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	45 years	28 of 100 (Routine)
17 April 1929	Roberts Dam, US	monthly rain	63.2 mm (2.5 in)	5.5 mm (0.22 in)	24 years	26 of 100 (Routine)
17 April 1929	Greensboro Lock 7, US	daily rain	27.2 mm (1.1 in)	13.0 mm (0.5 in)	10 years	24 of 100 (Routine)
17 April 1929	Renfrew, CA	daily snowfall	7.1 cm (2.8 in)	5.8 cm (2.3 in)	31 years	23 of 100 (Routine)
17 April 1929	Kon-Kolodez, RU	daily low min	-9.8 C (14.4 F)	5.1 C (9.2 F)	30 years	23 of 100 (Routine)
17 April 1929	Syktyvkar, RU	daily low min	-18.0 C (-0.4 F)	3.7 C (6.7 F)	40 years	22 of 100 (Routine)
17 April 1929	Tranebjerg, DK	daily low min	-3.5 C (25.7 F)	0.9 C (1.6 F)	44 years	21 of 100 (Routine)
17 April 1929	Bogoroditskoye-Fenino, RU	daily low max	-4.2 C (24.4 F)	5.7 C (10.3 F)	30 years	21 of 100 (Routine)
17 April 1929	Uman, UA	daily low max	0.5 C (32.9 F)	4.2 C (7.6 F)	33 years	21 of 100 (Routine)
17 April 1929	Harpers Ferry River, US	daily rain	37.1 mm (1.5 in)	14.2 mm (0.6 in)	19 years	21 of 100 (Routine)
17 April 1929	Fredericton Unb, CA	daily rain	24.6 mm (1.0 in)	9.9 mm (0.39 in)	53 years	20 of 100 (Routine)
17 April 1929	Portland, US	daily rain	22.1 mm (0.9 in)	7.6 mm (0.30 in)	53 years	20 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

1799 to 1929

Records set or tied on this calendar date in each year from 1799 to 1929. 1929 had 145 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1929-04-17: 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	108
10 to 20	5
20 to 30	3
30 to 40	4
40 to 50	0
50 to 60	2
60 to 70	1
70 to 80	1