Weather Records on 22 April 1977

818 weather records were set or tied worldwide on 22 April 1977. Highest significance: Pelee Island, CA.

Key Facts for 22 April 1977

On 22 April 1977, 818 weather records were set or tied at long-record stations worldwide.
488 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 34 monthly and 781 daily.
Pelee Island set a monthly record daily precipitation of 97.8 mm (3.9 in) on 22 April 1977.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 442 records.

Record Map

818 stations

818 station records on 22 April 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 April 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pelee Island	Canada	Record daily precipitation	97.8 mm (3.9 in)	58 of 100 (Notable)
St Thomas	Canada	Record daily precipitation	50.5 mm (2.0 in)	57 of 100 (Notable)
Toronto	Canada	Record daily precipitation	28.4 mm (1.1 in)	52 of 100 (Notable)
Santa Maria de Itabira	Brazil	Record daily precipitation	89.0 mm (3.5 in)	50 of 100 (Notable)
Port Hastings	Canada	Record high maximum temperature	26.7 C (80.1 F)	49 of 100 (Notable)
Lebanon	United States	Record daily precipitation	61.2 mm (2.4 in)	49 of 100 (Notable)
Hattiesburg 5SW	United States	Record daily precipitation	100.3 mm (3.9 in)	48 of 100 (Notable)
Woodslee Cda	Canada	Record daily precipitation	51.6 mm (2.0 in)	47 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Grindstone Island	Canada	Record high maximum temperature	14.0 C (57.2 F)	46 of 100 (Notable)
Bay Springs	United States	Record daily precipitation	102.1 mm (4.0 in)	46 of 100 (Notable)
Ft Wayne Intl AP	United States	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Hickory 1 E	United States	Record daily precipitation	125.0 mm (4.9 in)	45 of 100 (Notable)
Abadia Dos Dourados	Brazil	Record daily precipitation	73.3 mm (2.9 in)	44 of 100 (Notable)
Delhi Cda	Canada	Record daily precipitation	49.7 mm (2.0 in)	44 of 100 (Notable)
Enterprise	United States	Record daily precipitation	132.1 mm (5.2 in)	44 of 100 (Notable)
Harrow Cda	Canada	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Moorefield 1 SSE	United States	Record high minimum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Usina Parauna	Brazil	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Pedro Leopoldo	Brazil	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Sao Bento Do Sapucai	Brazil	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Ridgetown	Canada	Record daily precipitation	44.1 mm (1.7 in)	39 of 100 (Notable)
Jose de Melo	Brazil	Record daily precipitation	43.0 mm (1.7 in)	38 of 100 (Notable)
Manhuacu	Brazil	Record daily precipitation	34.2 mm (1.3 in)	38 of 100 (Notable)
Orlandia	Brazil	Record daily precipitation	64.1 mm (2.5 in)	38 of 100 (Notable)
St Andrews	Canada	Record high maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Aurukun Shire Council	Australia	Record daily precipitation	47.8 mm (1.9 in)	37 of 100 (Notable)
Shawinigan	Canada	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Columbia	United States	Record daily precipitation	98.8 mm (3.9 in)	37 of 100 (Notable)
Lagarto	Brazil	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Zapaluta	Mexico	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Piaxtla	Mexico	Record high maximum temperature	45.0 C (113.0 F)	36 of 100 (Notable)
Pickensville	United States	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
Lewiston	United States	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Cairo 3N	United States	Record daily precipitation	66.3 mm (2.6 in)	36 of 100 (Notable)
Jardinopolis	Brazil	Record daily precipitation	47.8 mm (1.9 in)	35 of 100 (Notable)
Collegeville	Canada	Record high maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Berlin	United States	Record high maximum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Oneonta	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Willis 5 SSW	United States	Record daily precipitation	37.3 mm (1.5 in)	34 of 100 (Routine)
El Reno 1 N	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Towanda 1 S	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Long Point	Canada	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Sumrall	United States	Record daily precipitation	94.0 mm (3.7 in)	33 of 100 (Routine)
Berlin	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Cordova AP	United States	Record high maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Gaoua	Burkina Faso	Record high minimum temperature	29.8 C (85.6 F)	33 of 100 (Routine)
Cachoeira Escura	Brazil	Record daily precipitation	37.8 mm (1.5 in)	32 of 100 (Routine)
Taquaracu	Brazil	Record daily precipitation	33.4 mm (1.3 in)	32 of 100 (Routine)
Enderby	Canada	Record high minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Fulton 3 W	United States	Record daily precipitation	61.5 mm (2.4 in)	32 of 100 (Routine)
Leakesville 6 WSW	United States	Record daily precipitation	58.2 mm (2.3 in)	32 of 100 (Routine)
Plainfield	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Millport 4 NE	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Beulah	United States	Record high maximum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Boromo	Burkina Faso	Record high minimum temperature	30.2 C (86.4 F)	32 of 100 (Routine)
Upper Stewiacke	Canada	Record high maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Wray	United States	Record low minimum temperature	-6.7 C (19.9 F)	31 of 100 (Routine)
Beaver Dam	United States	Record daily precipitation	61.5 mm (2.4 in)	31 of 100 (Routine)

Counts by Type and Timescale

818 records

Records set or tied on 22 April 1977 by type: Highest daily maximum 186, Lowest daily maximum 37, Highest daily minimum 302, Lowest daily minimum 62, Heaviest daily rainfall 227, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 22 April 1977 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	37
Highest daily minimum	302
Lowest daily minimum	62
Heaviest daily rainfall	227
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 22 April 1977 by timescale: all-time 3, monthly 34, daily 781.

How Much Records Were Beaten By

662 broken records

Margins by which the 662 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

22 April 1977

Top 20 records on 22 April 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 April 1977	Pelee Island, CA	monthly rain	97.8 mm (3.9 in)	21.6 mm (0.9 in)	66 years	58 of 100 (Notable)
22 April 1977	St Thomas, CA	daily rain	50.5 mm (2.0 in)	27.9 mm (1.1 in)	46 years	57 of 100 (Notable)
22 April 1977	Toronto, CA	daily rain	28.4 mm (1.1 in)	9.1 mm (0.36 in)	129 years	52 of 100 (Notable)
22 April 1977	Santa Maria de Itabira, BR	daily rain	89.0 mm (3.5 in)	64.0 mm (2.5 in)	24 years	50 of 100 (Notable)
22 April 1977	Port Hastings, CA	monthly high max	26.7 C (80.1 F)	1.1 C (2.0 F)	90 years	49 of 100 (Notable)
22 April 1977	Lebanon, US	daily rain	61.2 mm (2.4 in)	42.4 mm (1.7 in)	28 years	49 of 100 (Notable)
22 April 1977	Hattiesburg 5SW, US	daily rain	100.3 mm (3.9 in)	38.8 mm (1.5 in)	76 years	48 of 100 (Notable)
22 April 1977	Woodslee Cda, CA	daily rain	51.6 mm (2.0 in)	35.9 mm (1.4 in)	16 years	47 of 100 (Notable)
22 April 1977	Port Stanley, CA	monthly rain	50.0 mm (2.0 in)	4.5 mm (0.18 in)	67 years	46 of 100 (Notable)
22 April 1977	Grindstone Island, CA	daily high max	14.0 C (57.2 F)	4.6 C (8.3 F)	81 years	46 of 100 (Notable)
22 April 1977	Bay Springs, US	daily rain	102.1 mm (4.0 in)	77.5 mm (3.1 in)	26 years	46 of 100 (Notable)
22 April 1977	Ft Wayne Intl AP, US	daily rain	49.3 mm (1.9 in)	29.2 mm (1.1 in)	32 years	46 of 100 (Notable)
22 April 1977	Hickory 1 E, US	daily rain	125.0 mm (4.9 in)	52.6 mm (2.1 in)	48 years	45 of 100 (Notable)
22 April 1977	Abadia Dos Dourados, BR	daily rain	73.3 mm (2.9 in)	43.0 mm (1.7 in)	24 years	44 of 100 (Notable)
22 April 1977	Delhi Cda, CA	daily rain	49.7 mm (2.0 in)	30.9 mm (1.2 in)	26 years	44 of 100 (Notable)
22 April 1977	Enterprise, US	daily rain	132.1 mm (5.2 in)	50.8 mm (2.0 in)	48 years	44 of 100 (Notable)
22 April 1977	Harrow Cda, CA	monthly rain	58.4 mm (2.3 in)	15.7 mm (0.6 in)	20 years	43 of 100 (Notable)
22 April 1977	Moorefield 1 SSE, US	monthly high min	18.9 C (66.0 F)	0.6 C (1.1 F)	81 years	43 of 100 (Notable)
22 April 1977	Usina Parauna, BR	daily rain	43.2 mm (1.7 in)	34.8 mm (1.4 in)	32 years	41 of 100 (Notable)
22 April 1977	Pedro Leopoldo, BR	daily rain	32.0 mm (1.3 in)	32.0 mm (1.3 in)	35 years	41 of 100 (Notable)

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 1977

Records set or tied on this calendar date in each year from 1800 to 1977. 1977 had 818 records.

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

Records on 04-22 in each year
Year	Records
1800	1
1815	1
1817	1
1838	1
1842	1
1846	1
1849	1
1851	1
1852	2
1854	2
1855	2
1857	1
1861	1
1862	1
1864	1
1865	2
1868	1
1872	2
1873	1
1874	2
1875	1
1877	1
1879	1
1880	1
1881	1
1883	1
1884	3
1885	3
1888	4
1890	1
1891	1
1892	2
1893	2
1895	4
1896	1
1897	1
1898	4
1899	3
1900	4
1901	26
1902	13
1903	9
1904	6
1905	8
1906	11
1907	12
1908	14
1909	25
1910	27
1911	29
1912	35
1913	22
1914	79
1915	14
1916	56
1917	29
1918	63
1919	45
1920	55
1921	75
1922	81
1923	119
1924	132
1925	421
1926	148
1927	547
1928	380
1929	194
1930	207
1931	561
1932	266
1933	189
1934	340
1935	298
1936	543
1937	368
1938	243
1939	210
1940	434
1941	287
1942	286
1943	519
1944	565
1945	250
1946	555
1947	552
1948	454
1949	377
1950	584
1951	556
1952	636
1953	384
1954	545
1955	783
1956	249
1957	705
1958	411
1959	412
1960	1,107
1961	492
1962	329
1963	887
1964	1,109
1965	512
1966	534
1967	1,227
1968	870
1969	500
1970	1,048
1971	420
1972	780
1973	850
1974	647
1975	390
1976	363
1977	818
1978	765
1979	430
1980	1,632
1981	959
1982	1,073
1983	938
1984	1,128
1985	1,426
1986	1,381
1987	1,054
1988	971
1989	1,467
1990	815
1991	1,272
1992	1,155
1993	1,327
1994	812
1995	1,129
1996	1,051
1997	975
1998	1,174
1999	941
2000	1,202
2001	1,325
2002	1,406
2003	529
2004	647
2005	666
2006	797
2007	650
2008	844
2009	959
2010	902
2011	1,017
2012	1,212
2013	985
2014	437
2015	529
2016	593
2017	470
2018	688
2019	498
2020	598
2021	1,320
2022	505
2023	539
2024	663
2025	403
2026	727

Download the Data

Data for records on 1977-04-22: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	654
50 to 100	6
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1