Weather Records on 23 April 1940

319 weather records were set or tied worldwide on 23 April 1940. Highest significance: Snoqualmie Falls, US.

Key Facts for 23 April 1940

On 23 April 1940, 319 weather records were set or tied at long-record stations worldwide.
89 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 310 daily.
Snoqualmie Falls set a daily record precipitation of 44.2 mm (1.7 in) on 23 April 1940.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 445 records.

Record Map

319 stations

319 station records on 23 April 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Snoqualmie Falls	United States	Record daily precipitation	44.2 mm (1.7 in)	55 of 100 (Notable)
Landsburg	United States	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Vattaram	India	Record daily precipitation	67.1 mm (2.6 in)	45 of 100 (Notable)
Seattle UNIV of Washin	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Aramboly	India	Record daily precipitation	84.8 mm (3.3 in)	42 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	14.0 C (57.2 F)	41 of 100 (Notable)
Bargarh	India	Record daily precipitation	40.1 mm (1.6 in)	41 of 100 (Notable)
Broken Hill (Stephens Creek Re	Australia	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Itchapuram	India	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Cedar Lake	United States	Record daily precipitation	54.9 mm (2.2 in)	36 of 100 (Notable)
Moncton	Canada	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Yalcowinna	Australia	Record daily precipitation	25.4 mm (1.0 in)	32 of 100 (Routine)
Truro Nsac	Canada	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Warsaw	United States	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Pamban	India	Record daily precipitation	44.7 mm (1.8 in)	28 of 100 (Routine)
Aachen	Germany	Record high maximum temperature	26.5 C (79.7 F)	27 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	9.8 C (49.6 F)	26 of 100 (Routine)
Gospic	Croatia	Record high maximum temperature	22.4 C (72.3 F)	26 of 100 (Routine)
Waco	United States	Record high maximum temperature	34.4 C (93.9 F)	26 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	27.8 C (82.0 F)	25 of 100 (Routine)
Hohenpeissenberg	Germany	Record high maximum temperature	20.7 C (69.3 F)	25 of 100 (Routine)
Kleve	Germany	Record high maximum temperature	26.0 C (78.8 F)	25 of 100 (Routine)
Noyyatinkara	India	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Bhawanipatna	India	Record daily precipitation	54.6 mm (2.1 in)	25 of 100 (Routine)
De Bilt	Netherlands	Record high maximum temperature	24.3 C (75.7 F)	25 of 100 (Routine)
Carroll	United States	Record daily precipitation	32.5 mm (1.3 in)	25 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record high maximum temperature	19.1 C (66.4 F)	24 of 100 (Routine)
Tiruvadanai	India	Record daily precipitation	39.4 mm (1.6 in)	24 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high maximum temperature	24.8 C (76.6 F)	23 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	23.5 C (74.3 F)	23 of 100 (Routine)
Alta	United States	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Nome AP	United States	Record high minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Regensburg	Germany	Record high maximum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Periakulam	India	Record daily precipitation	33.3 mm (1.3 in)	22 of 100 (Routine)
Skjomen	Norway	Record snow depth	49.0 cm (19.3 in)	22 of 100 (Routine)
Uccle	Belgium	Record high maximum temperature	27.0 C (80.6 F)	21 of 100 (Routine)
Muenster	Germany	Record high maximum temperature	23.8 C (74.8 F)	21 of 100 (Routine)
Maastricht	Netherlands	Record high maximum temperature	26.0 C (78.8 F)	21 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	21 of 100 (Routine)
Mana 1026	United States	Record high maximum temperature	30.6 C (87.1 F)	21 of 100 (Routine)
Lakeside	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Ellensburg	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Cle Elum	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Moxee	United States	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Wasco	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Moorook	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Bordeaux-Merignac	France	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Heppner	United States	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Park Rch	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Seattle Urban Site	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Loxton	Australia	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Trinidad 2 SSE	United States	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Boone	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Stockdill Rch	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Kingston on Murray	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Dadupur	India	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Spalding (Yakilo)	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Watchupga	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

319 records

Records set or tied on 23 April 1940 by type: Highest daily maximum 48, Lowest daily maximum 34, Highest daily minimum 41, Lowest daily minimum 22, Heaviest daily rainfall 165, Heaviest daily snowfall 6, Deepest snow cover 3.

Records on 23 April 1940 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	34
Highest daily minimum	41
Lowest daily minimum	22
Heaviest daily rainfall	165
Heaviest daily snowfall	6
Deepest snow cover	3

Records on 23 April 1940 by timescale: all-time 0, monthly 9, daily 310.

How Much Records Were Beaten By

265 broken records

Margins by which the 265 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 94.0. Ties are not counted.

Top 20 by Significance

23 April 1940

Top 20 records on 23 April 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1940	Snoqualmie Falls, US	daily rain	44.2 mm (1.7 in)	33.0 mm (1.3 in)	39 years	55 of 100 (Notable)
23 April 1940	Landsburg, US	daily rain	42.2 mm (1.7 in)	30.3 mm (1.2 in)	23 years	49 of 100 (Notable)
23 April 1940	Vattaram, IN	daily rain	67.1 mm (2.6 in)	52.4 mm (2.1 in)	33 years	45 of 100 (Notable)
23 April 1940	Seattle UNIV of Washin, US	daily rain	26.7 mm (1.1 in)	18.3 mm (0.7 in)	19 years	44 of 100 (Notable)
23 April 1940	Aramboly, IN	daily rain	84.8 mm (3.3 in)	49.2 mm (1.9 in)	10 years	42 of 100 (Notable)
23 April 1940	Uccle, BE	daily high min	14.0 C (57.2 F)	3.8 C (6.8 F)	69 years	41 of 100 (Notable)
23 April 1940	Bargarh, IN	daily rain	40.1 mm (1.6 in)	24.9 mm (1.0 in)	31 years	41 of 100 (Notable)
23 April 1940	Broken Hill (Stephens Creek Re, AU	daily rain	29.5 mm (1.2 in)	24.9 mm (1.0 in)	37 years	40 of 100 (Notable)
23 April 1940	Itchapuram, IN	daily rain	49.5 mm (1.9 in)	41.6 mm (1.6 in)	31 years	38 of 100 (Notable)
23 April 1940	Cedar Lake, US	daily rain	54.9 mm (2.2 in)	35.1 mm (1.4 in)	23 years	36 of 100 (Notable)
23 April 1940	Moncton, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	57 years	35 of 100 (Notable)
23 April 1940	Yalcowinna, AU	daily rain	25.4 mm (1.0 in)	12.2 mm (0.5 in)	37 years	32 of 100 (Routine)
23 April 1940	Truro Nsac, CA	daily snowfall	10.2 cm (4.0 in)	9.4 cm (3.7 in)	7 years	31 of 100 (Routine)
23 April 1940	Warsaw, US	daily rain	29.0 mm (1.1 in)	19.9 mm (0.8 in)	14 years	31 of 100 (Routine)
23 April 1940	Pamban, IN	daily rain	44.7 mm (1.8 in)	30.7 mm (1.2 in)	11 years	28 of 100 (Routine)
23 April 1940	Aachen, DE	daily high max	26.5 C (79.7 F)	3.9 C (7.0 F)	46 years	27 of 100 (Routine)
23 April 1940	Heinersreuth-Vollhof, DE	daily high min	9.8 C (49.6 F)	1.9 C (3.4 F)	50 years	26 of 100 (Routine)
23 April 1940	Gospic, HR	daily high max	22.4 C (72.3 F)	1.9 C (3.4 F)	59 years	26 of 100 (Routine)
23 April 1940	Waco, US	daily high max	34.4 C (93.9 F)	2.2 C (4.0 F)	56 years	26 of 100 (Routine)
23 April 1940	Karlsruhe, DE	daily high max	27.8 C (82.0 F)	5.2 C (9.4 F)	29 years	25 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 1940

Records set or tied on this calendar date in each year from 1800 to 1940. 1940 had 319 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1940-04-23: 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	249
20 to 40	11
40 to 60	4
60 to 80	0
80 to 100	1