Weather Records on 20 April 1927

442 weather records were set or tied worldwide on 20 April 1927. Highest significance: Lucknow, CA.

Key Facts for 20 April 1927

On 20 April 1927, 442 weather records were set or tied at long-record stations worldwide.
220 were record highs and 154 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 39 monthly and 402 daily.
Lucknow set an all-time record daily precipitation of 119.4 mm (4.7 in) on 20 April 1927.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 462 records.

Record Map

442 stations

442 station records on 20 April 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lucknow	Canada	Record daily precipitation	119.4 mm (4.7 in)	65 of 100 (Major)
Little Rock St Capitol	United States	Record daily precipitation	205.2 mm (8.1 in)	55 of 100 (Notable)
Maitland West	Australia	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Lysebotn	Norway	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Clarence Town (Grey St)	Australia	Record daily precipitation	207.0 mm (8.1 in)	48 of 100 (Notable)
Wollong	Australia	Record daily precipitation	57.9 mm (2.3 in)	47 of 100 (Notable)
Stroud Post Office	Australia	Record daily precipitation	73.7 mm (2.9 in)	45 of 100 (Notable)
Morpeth Post Office	Australia	Record daily precipitation	56.9 mm (2.2 in)	42 of 100 (Notable)
Kenalea	Australia	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Gerringong (Mayflower Village)	Australia	Record daily precipitation	101.6 mm (4.0 in)	38 of 100 (Notable)
Clarinda	United States	Record snow depth	25.4 cm (10.0 in)	37 of 100 (Notable)
Brogers Creek Upper (Cookville	Australia	Record daily precipitation	183.9 mm (7.2 in)	35 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily snowfall	10.4 cm (4.1 in)	33 of 100 (Routine)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Gresford Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	30 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Hot Springs 1 NNE	United States	Record daily precipitation	101.6 mm (4.0 in)	30 of 100 (Routine)
Fort Macleod	Canada	Record low minimum temperature	-12.8 C (9.0 F)	29 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-17.2 C (1.0 F)	28 of 100 (Routine)
Malvern	United States	Record daily precipitation	66.8 mm (2.6 in)	28 of 100 (Routine)
Lewiston	United States	Record high maximum temperature	30.0 C (86.0 F)	28 of 100 (Routine)
Fort Macleod	Canada	Record low maximum temperature	-5.0 C (23.0 F)	26 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record low maximum temperature	-10.6 C (12.9 F)	26 of 100 (Routine)
Gardiner	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Great Falls 16St	United States	Record low minimum temperature	-12.2 C (10.0 F)	26 of 100 (Routine)
Highmore	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Helena Wb City	United States	Record low minimum temperature	-16.1 C (3.0 F)	26 of 100 (Routine)
Gosford (Gertrude Place)	Australia	Record daily precipitation	92.5 mm (3.6 in)	25 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	71.6 mm (2.8 in)	25 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Pointe Au Pere	Canada	Record high minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Hawkinsville	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Pendleton Dwtn	United States	Record low minimum temperature	-7.8 C (18.0 F)	25 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	-6.1 C (21.0 F)	25 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	6.0 C (42.8 F)	24 of 100 (Routine)
Quatsino	Canada	Record low minimum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record low maximum temperature	-0.6 C (30.9 F)	24 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	15.0 C (59.0 F)	24 of 100 (Routine)
Porthill	United States	Record low minimum temperature	-9.4 C (15.1 F)	24 of 100 (Routine)
Framingham	United States	Record high maximum temperature	31.7 C (89.1 F)	24 of 100 (Routine)
Bay City	United States	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Portland	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	31.1 C (88.0 F)	23 of 100 (Routine)
Lake Cochituate	United States	Record high maximum temperature	33.3 C (91.9 F)	23 of 100 (Routine)
Lawrence	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record low minimum temperature	-15.6 C (3.9 F)	23 of 100 (Routine)
Concord	United States	Record high maximum temperature	30.0 C (86.0 F)	23 of 100 (Routine)
Rosalia	United States	Record low minimum temperature	-7.8 C (18.0 F)	23 of 100 (Routine)
Raymond Terrace Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	22 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	58.9 mm (2.3 in)	22 of 100 (Routine)
North Bridgton	United States	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Concord	United States	Record high maximum temperature	31.7 C (89.1 F)	22 of 100 (Routine)
Bethany	United States	Record daily precipitation	50.8 mm (2.0 in)	22 of 100 (Routine)
Marietta Wtr Wks	United States	Record high minimum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
The Dalles	United States	Record low minimum temperature	-3.3 C (26.1 F)	22 of 100 (Routine)
Sunnyside	United States	Record low minimum temperature	-7.8 C (18.0 F)	22 of 100 (Routine)
Waterville	United States	Record low minimum temperature	-7.8 C (18.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

442 records

Records set or tied on 20 April 1927 by type: Highest daily maximum 130, Lowest daily maximum 58, Highest daily minimum 90, Lowest daily minimum 96, Heaviest daily rainfall 62, Heaviest daily snowfall 4, Deepest snow cover 2.

Records on 20 April 1927 by type
Record type	Records
Highest daily maximum	130
Lowest daily maximum	58
Highest daily minimum	90
Lowest daily minimum	96
Heaviest daily rainfall	62
Heaviest daily snowfall	4
Deepest snow cover	2

Records on 20 April 1927 by timescale: all-time 1, monthly 39, daily 402.

How Much Records Were Beaten By

373 broken records

Margins by which the 373 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 440.0. Ties are not counted.

Top 20 by Significance

20 April 1927

Top 20 records on 20 April 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1927	Lucknow, CA	all-time rain	119.4 mm (4.7 in)	41.2 mm (1.6 in)	5 years	65 of 100 (Major)
20 April 1927	Little Rock St Capitol, US	daily rain	205.2 mm (8.1 in)	107.7 mm (4.2 in)	34 years	55 of 100 (Notable)
20 April 1927	Maitland West, AU	daily rain	40.6 mm (1.6 in)	27.4 mm (1.1 in)	66 years	49 of 100 (Notable)
20 April 1927	Lysebotn, NO	daily rain	64.0 mm (2.5 in)	40.7 mm (1.6 in)	20 years	49 of 100 (Notable)
20 April 1927	Clarence Town (Grey St), AU	daily rain	207.0 mm (8.1 in)	192.3 mm (7.6 in)	16 years	48 of 100 (Notable)
20 April 1927	Wollong, AU	daily rain	57.9 mm (2.3 in)	43.9 mm (1.7 in)	32 years	47 of 100 (Notable)
20 April 1927	Stroud Post Office, AU	daily rain	73.7 mm (2.9 in)	57.2 mm (2.3 in)	16 years	45 of 100 (Notable)
20 April 1927	Morpeth Post Office, AU	daily rain	56.9 mm (2.2 in)	42.2 mm (1.7 in)	32 years	42 of 100 (Notable)
20 April 1927	Kenalea, AU	daily rain	46.2 mm (1.8 in)	36.0 mm (1.4 in)	2 years	38 of 100 (Notable)
20 April 1927	Gerringong (Mayflower Village), AU	daily rain	101.6 mm (4.0 in)	62.2 mm (2.4 in)	16 years	38 of 100 (Notable)
20 April 1927	Clarinda, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	32 years	37 of 100 (Notable)
20 April 1927	Brogers Creek Upper (Cookville, AU	daily rain	183.9 mm (7.2 in)	74.9 mm (2.9 in)	32 years	35 of 100 (Notable)
20 April 1927	Forestburg 4 NNE, US	daily snowfall	10.4 cm (4.1 in)	10.4 cm (4.1 in)	33 years	33 of 100 (Routine)
20 April 1927	Moss Vale (Hoskins Street), AU	daily rain	56.9 mm (2.2 in)	26.4 mm (1.0 in)	32 years	32 of 100 (Routine)
20 April 1927	Pembroke Eddy Match, CA	monthly high min	13.9 C (57.0 F)	0.6 C (1.1 F)	48 years	31 of 100 (Routine)
20 April 1927	Fredericton Unb, CA	daily high max	26.7 C (80.1 F)	6.7 C (12.1 F)	48 years	31 of 100 (Routine)
20 April 1927	Gresford Post Office, AU	daily rain	44.2 mm (1.7 in)	27.2 mm (1.1 in)	13 years	30 of 100 (Routine)
20 April 1927	Belltrees 1, AU	daily rain	36.8 mm (1.4 in)	16.5 mm (0.6 in)	32 years	30 of 100 (Routine)
20 April 1927	Hot Springs 1 NNE, US	daily rain	101.6 mm (4.0 in)	55.9 mm (2.2 in)	5 years	30 of 100 (Routine)
20 April 1927	Fort Macleod, CA	daily low min	-12.8 C (9.0 F)	7.8 C (14.0 F)	30 years	29 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

1807 to 1927

Records set or tied on this calendar date in each year from 1807 to 1927. 1927 had 442 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1927-04-20: 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 100	368
100 to 200	3
200 to 300	1
300 to 400	0
400 to 500	1