Weather Records on 28 April 1977

533 weather records were set or tied worldwide on 28 April 1977. Highest significance: Gage AP, US.

Key Facts for 28 April 1977

On 28 April 1977, 533 weather records were set or tied at long-record stations worldwide.
221 were record highs and 124 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 512 daily.
Gage AP set a monthly record daily precipitation of 70.9 mm (2.8 in) on 28 April 1977.
Across 161 earlier years (1795 to 2026) the same calendar date averaged 477 records.

Record Map

533 stations

533 station records on 28 April 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 April 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gage AP	United States	Record daily precipitation	70.9 mm (2.8 in)	56 of 100 (Notable)
Marruas	Brazil	Record daily precipitation	87.1 mm (3.4 in)	53 of 100 (Notable)
Arneiroz	Brazil	Record daily precipitation	87.6 mm (3.4 in)	49 of 100 (Notable)
Clyde A	Canada	Record daily snowfall	38.2 cm (15.0 in)	49 of 100 (Notable)
Oeiras	Brazil	Record daily precipitation	48.6 mm (1.9 in)	47 of 100 (Notable)
Sape	Brazil	Record daily precipitation	97.3 mm (3.8 in)	47 of 100 (Notable)
Embrun	France	Record daily precipitation	29.8 mm (1.2 in)	47 of 100 (Notable)
Fairfield	Australia	Record daily precipitation	31.4 mm (1.2 in)	46 of 100 (Notable)
Bungulla North	Australia	Record daily precipitation	42.0 mm (1.7 in)	45 of 100 (Notable)
Simplicio Mendes	Brazil	Record daily precipitation	60.0 mm (2.4 in)	43 of 100 (Notable)
Jaicos	Brazil	Record daily precipitation	56.2 mm (2.2 in)	42 of 100 (Notable)
Aquidaba	Brazil	Record daily precipitation	74.0 mm (2.9 in)	42 of 100 (Notable)
Troicko-Pecherskoe	Russia	Record high minimum temperature	11.2 C (52.2 F)	42 of 100 (Notable)
Gospic	Croatia	Record high minimum temperature	11.5 C (52.7 F)	41 of 100 (Notable)
Acatlan de Osorio (Smn)	Mexico	Record low maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Waynesboro 2 S	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
San Juan de Los Llanos	Mexico	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Canna	Australia	Record daily precipitation	28.6 mm (1.1 in)	37 of 100 (Notable)
Koonadgin	Australia	Record daily precipitation	42.8 mm (1.7 in)	37 of 100 (Notable)
Hipolito	Brazil	Record daily precipitation	89.4 mm (3.5 in)	37 of 100 (Notable)
Waycross 4 NE	United States	Record low minimum temperature	2.8 C (37.0 F)	37 of 100 (Notable)
Winnemucca AP	United States	Record high maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Ely Park	Australia	Record daily precipitation	36.0 mm (1.4 in)	35 of 100 (Notable)
Tiangua	Brazil	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Tuttlingen	Germany	Record daily precipitation	25.6 mm (1.0 in)	35 of 100 (Notable)
Haparanda	Sweden	Record high minimum temperature	2.4 C (36.3 F)	35 of 100 (Notable)
Marron	Australia	Record daily precipitation	48.2 mm (1.9 in)	34 of 100 (Routine)
Mombaca	Brazil	Record daily precipitation	41.2 mm (1.6 in)	34 of 100 (Routine)
Canguaretama	Brazil	Record daily precipitation	71.4 mm (2.8 in)	33 of 100 (Routine)
Saboeiro	Brazil	Record daily precipitation	57.6 mm (2.3 in)	33 of 100 (Routine)
Lyon - St Exupery	France	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Ocala	United States	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Black Rock	United States	Record high minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Landsburg	United States	Record high minimum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Latham East	Australia	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Boodjerakine	Australia	Record daily precipitation	32.4 mm (1.3 in)	32 of 100 (Routine)
Sousa	Brazil	Record daily precipitation	75.0 mm (3.0 in)	32 of 100 (Routine)
Acaponeta	Mexico	Record low minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Santa Ana Fire STN	United States	Record high minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Cheyenne Wells 2NE	United States	Record high minimum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Avon Park 2 W	United States	Record low minimum temperature	8.3 C (46.9 F)	32 of 100 (Routine)
Milledgeville	United States	Record low minimum temperature	2.2 C (36.0 F)	32 of 100 (Routine)
Levan	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Palmerville	Australia	Record low maximum temperature	30.5 C (86.9 F)	31 of 100 (Routine)
Batalha	Brazil	Record daily precipitation	42.6 mm (1.7 in)	31 of 100 (Routine)
Assare	Brazil	Record daily precipitation	35.8 mm (1.4 in)	31 of 100 (Routine)
Albany 3 SE	United States	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Caledonia	United States	Record high maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Aztec Ruins Nm	United States	Record high minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Tardun	Australia	Record daily precipitation	25.8 mm (1.0 in)	29 of 100 (Routine)
Laranjeiras	Brazil	Record daily precipitation	90.0 mm (3.5 in)	29 of 100 (Routine)
Alton	United States	Record high maximum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Five Gums	Australia	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Wallaceburg	Canada	Record low maximum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Hiasen I Sigdal	Norway	Record snow depth	89.0 cm (35.0 in)	28 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record snow depth	110.0 cm (43.3 in)	28 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	47.6 mm (1.9 in)	28 of 100 (Routine)
San Carlos	United States	Record high minimum temperature	12.2 C (54.0 F)	28 of 100 (Routine)
Denton	United States	Record low minimum temperature	-4.4 C (24.1 F)	28 of 100 (Routine)
Elberta	United States	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

533 records

Records set or tied on 28 April 1977 by type: Highest daily maximum 79, Lowest daily maximum 41, Highest daily minimum 142, Lowest daily minimum 83, Heaviest daily rainfall 174, Heaviest daily snowfall 7, Deepest snow cover 7.

Records on 28 April 1977 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	41
Highest daily minimum	142
Lowest daily minimum	83
Heaviest daily rainfall	174
Heaviest daily snowfall	7
Deepest snow cover	7

Records on 28 April 1977 by timescale: all-time 0, monthly 21, daily 512.

How Much Records Were Beaten By

437 broken records

Margins by which the 437 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 336.0. Ties are not counted.

Top 20 by Significance

28 April 1977

Top 20 records on 28 April 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 April 1977	Gage AP, US	monthly rain	70.9 mm (2.8 in)	17.6 mm (0.7 in)	70 years	56 of 100 (Notable)
28 April 1977	Marruas, BR	daily rain	87.1 mm (3.4 in)	70.3 mm (2.8 in)	31 years	53 of 100 (Notable)
28 April 1977	Arneiroz, BR	monthly rain	87.6 mm (3.4 in)	17.8 mm (0.7 in)	64 years	49 of 100 (Notable)
28 April 1977	Clyde A, CA	daily snowfall	38.2 cm (15.0 in)	33.6 cm (13.2 in)	18 years	49 of 100 (Notable)
28 April 1977	Oeiras, BR	daily rain	48.6 mm (1.9 in)	44.3 mm (1.7 in)	40 years	47 of 100 (Notable)
28 April 1977	Sape, BR	daily rain	97.3 mm (3.8 in)	84.3 mm (3.3 in)	7 years	47 of 100 (Notable)
28 April 1977	Embrun, FR	daily rain	29.8 mm (1.2 in)	5.8 mm (0.23 in)	99 years	47 of 100 (Notable)
28 April 1977	Fairfield, AU	daily rain	31.4 mm (1.2 in)	29.4 mm (1.2 in)	51 years	46 of 100 (Notable)
28 April 1977	Bungulla North, AU	daily rain	42.0 mm (1.7 in)	32.0 mm (1.3 in)	2 years	45 of 100 (Notable)
28 April 1977	Simplicio Mendes, BR	daily rain	60.0 mm (2.4 in)	56.1 mm (2.2 in)	15 years	43 of 100 (Notable)
28 April 1977	Jaicos, BR	daily rain	56.2 mm (2.2 in)	28.4 mm (1.1 in)	59 years	42 of 100 (Notable)
28 April 1977	Aquidaba, BR	monthly rain	74.0 mm (2.9 in)	13.0 mm (0.5 in)	48 years	42 of 100 (Notable)
28 April 1977	Troicko-Pecherskoe, RU	monthly high min	11.2 C (52.2 F)	2.0 C (3.6 F)	70 years	42 of 100 (Notable)
28 April 1977	Gospic, HR	daily high min	11.5 C (52.7 F)	1.1 C (2.0 F)	96 years	41 of 100 (Notable)
28 April 1977	Acatlan de Osorio (Smn), MX	daily low max	22.8 C (73.0 F)	8.9 C (16.0 F)	12 years	40 of 100 (Notable)
28 April 1977	Waynesboro 2 S, US	daily low max	12.2 C (54.0 F)	6.1 C (11.0 F)	64 years	40 of 100 (Notable)
28 April 1977	San Juan de Los Llanos, MX	monthly rain	43.9 mm (1.7 in)	14.9 mm (0.6 in)	12 years	39 of 100 (Notable)
28 April 1977	Canna, AU	daily rain	28.6 mm (1.1 in)	21.5 mm (0.8 in)	30 years	37 of 100 (Notable)
28 April 1977	Koonadgin, AU	daily rain	42.8 mm (1.7 in)	19.9 mm (0.8 in)	30 years	37 of 100 (Notable)
28 April 1977	Hipolito, BR	daily rain	89.4 mm (3.5 in)	56.4 mm (2.2 in)	10 years	37 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

1795 to 1977

Records set or tied on this calendar date in each year from 1795 to 1977. 1977 had 533 records.

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

Records on 04-28 in each year
Year	Records
1795	1
1800	1
1803	1
1814	2
1817	4
1840	1
1841	1
1843	1
1844	1
1853	1
1857	2
1861	1
1862	1
1866	2
1871	1
1872	1
1874	5
1877	2
1878	1
1879	1
1882	2
1883	1
1885	1
1888	1
1889	1
1890	2
1891	3
1892	4
1893	1
1894	2
1895	3
1896	2
1897	2
1898	5
1899	2
1900	6
1901	7
1902	11
1903	3
1904	13
1905	6
1906	9
1907	19
1908	24
1909	43
1910	12
1911	29
1912	13
1913	69
1914	28
1915	46
1916	15
1917	41
1918	18
1919	63
1920	51
1921	89
1922	87
1923	126
1924	70
1925	114
1926	265
1927	132
1928	713
1929	136
1930	105
1931	291
1932	247
1933	327
1934	530
1935	430
1936	143
1937	698
1938	444
1939	356
1940	348
1941	268
1942	665
1943	442
1944	245
1945	371
1946	418
1947	547
1948	545
1949	580
1950	661
1951	617
1952	894
1953	482
1954	900
1955	583
1956	812
1957	614
1958	535
1959	647
1960	582
1961	222
1962	603
1963	568
1964	394
1965	707
1966	800
1967	947
1968	536
1969	432
1970	1,977
1971	570
1972	523
1973	915
1974	777
1975	795
1976	822
1977	533
1978	496
1979	783
1980	644
1981	967
1982	710
1983	1,156
1984	1,357
1985	959
1986	1,029
1987	1,822
1988	967
1989	1,089
1990	1,608
1991	913
1992	2,252
1993	1,191
1994	1,906
1995	726
1996	967
1997	1,784
1998	942
1999	632
2000	1,113
2001	1,015
2002	1,287
2003	958
2004	887
2005	1,056
2006	782
2007	1,340
2008	1,407
2009	979
2010	905
2011	1,161
2012	1,135
2013	721
2014	704
2015	468
2016	783
2017	829
2018	384
2019	662
2020	535
2021	482
2022	532
2023	834
2024	594
2025	650
2026	521

Download the Data

Data for records on 1977-04-28: 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	425
50 to 100	7
100 to 150	1
150 to 200	2
200 to 250	1
250 to 300	0
300 to 350	1