Weather Records on 20 June 1929

137 weather records were set or tied worldwide on 20 June 1929. Highest significance: Annapolis US Naval Aca, US.

Key Facts for 20 June 1929

On 20 June 1929, 137 weather records were set or tied at long-record stations worldwide.
59 were record highs and 41 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 0 monthly and 135 daily.
Annapolis US Naval Aca set a daily record precipitation of 43.2 mm (1.7 in) on 20 June 1929.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 460 records.

Record Map

137 stations

137 station records on 20 June 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Annapolis US Naval Aca	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Norwalk Wwtp	United States	Record daily precipitation	95.0 mm (3.7 in)	33 of 100 (Routine)
Santa Maria	United States	Record high maximum temperature	42.2 C (108.0 F)	32 of 100 (Routine)
Beatrice	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Bartow 1SE	United States	Record low maximum temperature	27.2 C (81.0 F)	24 of 100 (Routine)
Sloan 3 S	United States	Record daily precipitation	43.2 mm (1.7 in)	24 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	29.4 C (84.9 F)	22 of 100 (Routine)
Santa Barbara	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Warrensburg 4NW	United States	Record daily precipitation	50.3 mm (2.0 in)	21 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Wamego 4 W	United States	Record daily precipitation	38.9 mm (1.5 in)	20 of 100 (Routine)
El Cajon 2 E	United States	Record high maximum temperature	40.0 C (104.0 F)	19 of 100 (Routine)
San Jacinto	United States	Record high maximum temperature	45.0 C (113.0 F)	19 of 100 (Routine)
Belle Isle	Canada	Record low maximum temperature	3.3 C (37.9 F)	18 of 100 (Routine)
Clayton 1 SSW	United States	Record low minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Watertown	United States	Record daily precipitation	28.2 mm (1.1 in)	18 of 100 (Routine)
Fort Chipewyan	Canada	Record low maximum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Botnen I Forde	Norway	Record daily precipitation	24.0 mm (0.9 in)	17 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	13.0 C (55.4 F)	17 of 100 (Routine)
Ashland #2	United States	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Morrisons (Ballark)	Australia	Record daily precipitation	16.5 mm (0.6 in)	16 of 100 (Routine)
Muenster	Germany	Record high minimum temperature	16.0 C (60.8 F)	16 of 100 (Routine)
Millington 1 SE	United States	Record daily precipitation	24.1 mm (0.9 in)	16 of 100 (Routine)
Cornwall	United States	Record daily precipitation	24.9 mm (1.0 in)	16 of 100 (Routine)
Blacksburg	United States	Record daily precipitation	31.8 mm (1.3 in)	16 of 100 (Routine)
Lexington	United States	Record high minimum temperature	20.0 C (68.0 F)	16 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Bisbee	United States	Record high minimum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
Warren 2 ENE	United States	Record high minimum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Claremont Pomona Clg	United States	Record high maximum temperature	41.1 C (106.0 F)	15 of 100 (Routine)
San Bernardino F S 226	United States	Record high maximum temperature	43.3 C (109.9 F)	15 of 100 (Routine)
Minneapolis	United States	Record daily precipitation	42.7 mm (1.7 in)	15 of 100 (Routine)
Williamstown	United States	Record high minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	32.2 C (90.0 F)	15 of 100 (Routine)
Tyndall	United States	Record low minimum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Kansas City	United States	Record daily precipitation	36.1 mm (1.4 in)	15 of 100 (Routine)
Hay River	Canada	Record low maximum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Hay River	Canada	Record low minimum temperature	-2.8 C (27.0 F)	14 of 100 (Routine)
Dunderlandsdalen	Norway	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Lamar	United States	Record low minimum temperature	8.3 C (46.9 F)	14 of 100 (Routine)
Emmitsburg	United States	Record daily precipitation	16.8 mm (0.7 in)	14 of 100 (Routine)
Bradshaw	United States	Record daily precipitation	32.3 mm (1.3 in)	14 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.9 C (58.8 F)	13 of 100 (Routine)
Tustervatnet	Norway	Record daily precipitation	13.4 mm (0.5 in)	13 of 100 (Routine)
Bisbee	United States	Record high maximum temperature	39.4 C (102.9 F)	13 of 100 (Routine)
Jerome	United States	Record high maximum temperature	37.8 C (100.0 F)	13 of 100 (Routine)
Redlands	United States	Record high maximum temperature	42.2 C (108.0 F)	13 of 100 (Routine)
Williamsburg 2	United States	Record high minimum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Beaver City	United States	Record low minimum temperature	5.0 C (41.0 F)	13 of 100 (Routine)
Geneva	United States	Record daily precipitation	48.3 mm (1.9 in)	13 of 100 (Routine)
Espanola	United States	Record high minimum temperature	17.8 C (64.0 F)	13 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	32.2 C (90.0 F)	12 of 100 (Routine)
Tombstone	United States	Record high maximum temperature	40.0 C (104.0 F)	12 of 100 (Routine)
Napa State Hospital	United States	Record high maximum temperature	40.0 C (104.0 F)	12 of 100 (Routine)
Horton	United States	Record daily precipitation	15.2 mm (0.6 in)	12 of 100 (Routine)
Columbia Falls 5 SW	United States	Record low maximum temperature	12.2 C (54.0 F)	12 of 100 (Routine)
Academy 2NE	United States	Record low minimum temperature	7.8 C (46.0 F)	12 of 100 (Routine)
Oelrichs	United States	Record low minimum temperature	1.1 C (34.0 F)	12 of 100 (Routine)
Vancouver 4 NNE	United States	Record low minimum temperature	6.1 C (43.0 F)	12 of 100 (Routine)

Counts by Type and Timescale

137 records

Records set or tied on 20 June 1929 by type: Highest daily maximum 38, Lowest daily maximum 7, Highest daily minimum 21, Lowest daily minimum 34, Heaviest daily rainfall 37.

Records on 20 June 1929 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	7
Highest daily minimum	21
Lowest daily minimum	34
Heaviest daily rainfall	37
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1929 by timescale: all-time 2, monthly 0, daily 135.

How Much Records Were Beaten By

110 broken records

Margins by which the 110 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.0. Ties are not counted.

Top 20 by Significance

20 June 1929

Top 20 records on 20 June 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1929	Annapolis US Naval Aca, US	daily rain	43.2 mm (1.7 in)	33.0 mm (1.3 in)	26 years	38 of 100 (Notable)
20 June 1929	Norwalk Wwtp, US	all-time rain	95.0 mm (3.7 in)	2.0 mm (0.08 in)	28 years	33 of 100 (Routine)
20 June 1929	Santa Maria, US	all-time high max	42.2 C (108.0 F)	2.2 C (4.0 F)	10 years	32 of 100 (Routine)
20 June 1929	Beatrice, US	daily rain	50.8 mm (2.0 in)	26.4 mm (1.0 in)	31 years	32 of 100 (Routine)
20 June 1929	Bartow 1SE, US	daily low max	27.2 C (81.0 F)	2.8 C (5.0 F)	32 years	24 of 100 (Routine)
20 June 1929	Sloan 3 S, US	daily rain	43.2 mm (1.7 in)	27.7 mm (1.1 in)	20 years	24 of 100 (Routine)
20 June 1929	San Diego Wbo, US	daily high max	29.4 C (84.9 F)	3.3 C (5.9 F)	11 years	22 of 100 (Routine)
20 June 1929	Santa Barbara, US	daily high max	36.7 C (98.1 F)	6.1 C (11.0 F)	8 years	22 of 100 (Routine)
20 June 1929	Warrensburg 4NW, US	daily rain	50.3 mm (2.0 in)	15.2 mm (0.6 in)	27 years	21 of 100 (Routine)
20 June 1929	Tarnaby, SE	daily rain	16.0 mm (0.6 in)	7.4 mm (0.29 in)	28 years	20 of 100 (Routine)
20 June 1929	Harrisburg - Coop, US	daily rain	22.6 mm (0.9 in)	12.2 mm (0.5 in)	26 years	20 of 100 (Routine)
20 June 1929	Wamego 4 W, US	daily rain	38.9 mm (1.5 in)	13.5 mm (0.5 in)	27 years	20 of 100 (Routine)
20 June 1929	El Cajon 2 E, US	daily high max	40.0 C (104.0 F)	5.6 C (10.1 F)	11 years	19 of 100 (Routine)
20 June 1929	San Jacinto, US	daily high max	45.0 C (113.0 F)	4.4 C (7.9 F)	28 years	19 of 100 (Routine)
20 June 1929	Belle Isle, CA	daily low max	3.3 C (37.9 F)	0.6 C (1.1 F)	44 years	18 of 100 (Routine)
20 June 1929	Clayton 1 SSW, US	daily low min	10.0 C (50.0 F)	1.7 C (3.1 F)	33 years	18 of 100 (Routine)
20 June 1929	Watertown, US	daily rain	28.2 mm (1.1 in)	8.1 mm (0.32 in)	28 years	18 of 100 (Routine)
20 June 1929	Fort Chipewyan, CA	daily low max	6.7 C (44.1 F)	3.9 C (7.0 F)	23 years	17 of 100 (Routine)
20 June 1929	Botnen I Forde, NO	daily rain	24.0 mm (0.9 in)	5.5 mm (0.22 in)	31 years	17 of 100 (Routine)
20 June 1929	Sveg, SE	daily high min	13.0 C (55.4 F)	1.0 C (1.8 F)	39 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

1800 to 1929

Records set or tied on this calendar date in each year from 1800 to 1929. 1929 had 137 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1929-06-20: 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 5	84
5 to 10	15
10 to 15	5
15 to 20	3
20 to 25	0
25 to 30	2
30 to 35	1