Weather Records on 4 October 1978

488 weather records were set or tied worldwide on 4 October 1978. Highest significance: Amealco, MX.

Key Facts for 4 October 1978

On 4 October 1978, 488 weather records were set or tied at long-record stations worldwide.
71 were record highs and 173 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 479 daily.
Amealco set a monthly record daily precipitation of 61.5 mm (2.4 in) on 4 October 1978.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 464 records.

Record Map

488 stations

488 station records on 4 October 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Amealco	Mexico	Record daily precipitation	61.5 mm (2.4 in)	50 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	56.5 mm (2.2 in)	45 of 100 (Notable)
Stornoway Airport	United Kingdom	Record daily precipitation	25.0 mm (1.0 in)	45 of 100 (Notable)
Baia Mare	Romania	Record high minimum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Mapumulo (Tnk)	South Africa	Record daily precipitation	58.0 mm (2.3 in)	44 of 100 (Notable)
Lindenberg	Germany	Record daily precipitation	27.2 mm (1.1 in)	43 of 100 (Notable)
Mtunzini	South Africa	Record daily precipitation	69.0 mm (2.7 in)	43 of 100 (Notable)
Windy Hill No.2	South Africa	Record daily precipitation	35.0 mm (1.4 in)	42 of 100 (Notable)
Dorset	South Africa	Record daily precipitation	40.0 mm (1.6 in)	41 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	37.9 C (100.2 F)	38 of 100 (Notable)
Hopewell	South Africa	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Saguache	United States	Record low minimum temperature	-10.6 C (12.9 F)	36 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	41.2 mm (1.6 in)	36 of 100 (Notable)
Mohrendorf-Kleinseebach	Germany	Record daily precipitation	26.6 mm (1.0 in)	35 of 100 (Notable)
Granta	South Africa	Record daily precipitation	41.0 mm (1.6 in)	34 of 100 (Routine)
Frasers	South Africa	Record daily precipitation	38.0 mm (1.5 in)	34 of 100 (Routine)
Goedgevonden	South Africa	Record daily precipitation	52.0 mm (2.0 in)	34 of 100 (Routine)
Uberlingen/Bodensee	Germany	Record daily precipitation	25.6 mm (1.0 in)	32 of 100 (Routine)
Irapuato	Mexico	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Kranskop (Tnk)	South Africa	Record daily precipitation	55.5 mm (2.2 in)	32 of 100 (Routine)
Groot Rietvlei	South Africa	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Rosalia	United States	Record low minimum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Sable Island	Canada	Record low maximum temperature	10.3 C (50.5 F)	30 of 100 (Routine)
Schlusselfeld (Klaranlage)	Germany	Record daily precipitation	25.5 mm (1.0 in)	29 of 100 (Routine)
Turgaj	Kazakhstan	Record low maximum temperature	5.5 C (41.9 F)	29 of 100 (Routine)
Media Luna	Mexico	Record daily precipitation	40.9 mm (1.6 in)	28 of 100 (Routine)
Pericos	Mexico	Record daily precipitation	44.5 mm (1.8 in)	28 of 100 (Routine)
Weston College, Mooi	South Africa	Record daily precipitation	27.5 mm (1.1 in)	28 of 100 (Routine)
Kokpekty	Kazakhstan	Record high minimum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Santa Cruz Juventino Rosas (S	Mexico	Record daily precipitation	54.9 mm (2.2 in)	27 of 100 (Routine)
Zapopan	Mexico	Record daily precipitation	36.3 mm (1.4 in)	27 of 100 (Routine)
Lenningen-Schopfloch	Germany	Record daily precipitation	27.2 mm (1.1 in)	26 of 100 (Routine)
Zerbst	Germany	Record low maximum temperature	9.0 C (48.2 F)	26 of 100 (Routine)
Huingo	Mexico	Record daily precipitation	33.8 mm (1.3 in)	26 of 100 (Routine)
Oukraal	South Africa	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Surprise Store	South Africa	Record daily precipitation	30.5 mm (1.2 in)	25 of 100 (Routine)
Ajo	United States	Record high minimum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)
Natashquan A	Canada	Record low minimum temperature	-7.7 C (18.1 F)	24 of 100 (Routine)
Stotten	Germany	Record daily precipitation	32.8 mm (1.3 in)	24 of 100 (Routine)
Sandhoogte (Pur)	South Africa	Record daily precipitation	30.1 mm (1.2 in)	24 of 100 (Routine)
Cegcuana (Bos)	South Africa	Record daily precipitation	28.0 mm (1.1 in)	24 of 100 (Routine)
Intake	South Africa	Record daily precipitation	31.0 mm (1.2 in)	24 of 100 (Routine)
Yosemite Park HQ	United States	Record high minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Bad Lobenstein	Germany	Record daily precipitation	25.3 mm (1.0 in)	23 of 100 (Routine)
Salamanca	Mexico	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Atoyac	Mexico	Record daily precipitation	52.6 mm (2.1 in)	23 of 100 (Routine)
Santa Fe del Rio	Mexico	Record low maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Indiga	Russia	Record low maximum temperature	-1.4 C (29.5 F)	23 of 100 (Routine)
Cuautla (Smn)	Mexico	Record daily precipitation	32.8 mm (1.3 in)	22 of 100 (Routine)
Mazapa	Mexico	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Petrun	Russia	Record low maximum temperature	-2.6 C (27.3 F)	22 of 100 (Routine)
Carmichael (Tnk)	South Africa	Record daily precipitation	33.5 mm (1.3 in)	22 of 100 (Routine)
Bethel AP	United States	Record low maximum temperature	-1.7 C (28.9 F)	22 of 100 (Routine)
Gagetown 2	Canada	Record low minimum temperature	-2.5 C (27.5 F)	21 of 100 (Routine)
Grand Falls	Canada	Record low maximum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Weissenfels	Germany	Record daily precipitation	25.6 mm (1.0 in)	21 of 100 (Routine)
Regensburg	Germany	Record daily precipitation	20.4 mm (0.8 in)	20 of 100 (Routine)
Jena Sternwarte	Germany	Record daily precipitation	20.9 mm (0.8 in)	20 of 100 (Routine)
Reenen	South Africa	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

488 records

Records set or tied on 4 October 1978 by type: Highest daily maximum 33, Lowest daily maximum 103, Highest daily minimum 38, Lowest daily minimum 70, Heaviest daily rainfall 244.

Records on 4 October 1978 by type
Record type	Records
Highest daily maximum	33
Lowest daily maximum	103
Highest daily minimum	38
Lowest daily minimum	70
Heaviest daily rainfall	244
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 October 1978 by timescale: all-time 0, monthly 9, daily 479.

How Much Records Were Beaten By

401 broken records

Margins by which the 401 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.0. Ties are not counted.

Top 20 by Significance

4 October 1978

Top 20 records on 4 October 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 1978	Amealco, MX	monthly rain	61.5 mm (2.4 in)	23.7 mm (0.9 in)	9 years	50 of 100 (Notable)
4 October 1978	Port Alfred, ZA	daily rain	56.5 mm (2.2 in)	38.5 mm (1.5 in)	15 years	45 of 100 (Notable)
4 October 1978	Stornoway Airport, GB	daily rain	25.0 mm (1.0 in)	16.0 mm (0.6 in)	35 years	45 of 100 (Notable)
4 October 1978	Baia Mare, RO	monthly high min	17.2 C (63.0 F)	1.0 C (1.8 F)	81 years	44 of 100 (Notable)
4 October 1978	Mapumulo (Tnk), ZA	daily rain	58.0 mm (2.3 in)	44.0 mm (1.7 in)	9 years	44 of 100 (Notable)
4 October 1978	Lindenberg, DE	daily rain	27.2 mm (1.1 in)	7.4 mm (0.29 in)	68 years	43 of 100 (Notable)
4 October 1978	Mtunzini, ZA	daily rain	69.0 mm (2.7 in)	36.0 mm (1.4 in)	57 years	43 of 100 (Notable)
4 October 1978	Windy Hill No.2, ZA	daily rain	35.0 mm (1.4 in)	24.8 mm (1.0 in)	39 years	42 of 100 (Notable)
4 October 1978	Dorset, ZA	daily rain	40.0 mm (1.6 in)	36.7 mm (1.4 in)	25 years	41 of 100 (Notable)
4 October 1978	Nicosia, CY	daily high max	37.9 C (100.2 F)	0.4 C (0.7 F)	93 years	38 of 100 (Notable)
4 October 1978	Hopewell, ZA	daily rain	45.5 mm (1.8 in)	25.2 mm (1.0 in)	48 years	36 of 100 (Notable)
4 October 1978	Saguache, US	daily low min	-10.6 C (12.9 F)	4.5 C (8.1 F)	53 years	36 of 100 (Notable)
4 October 1978	Mbabane, SZ	daily rain	41.2 mm (1.6 in)	14.3 mm (0.6 in)	57 years	36 of 100 (Notable)
4 October 1978	Mohrendorf-Kleinseebach, DE	daily rain	26.6 mm (1.0 in)	10.3 mm (0.4 in)	40 years	35 of 100 (Notable)
4 October 1978	Granta, ZA	daily rain	41.0 mm (1.6 in)	19.4 mm (0.8 in)	48 years	34 of 100 (Routine)
4 October 1978	Frasers, ZA	daily rain	38.0 mm (1.5 in)	22.5 mm (0.9 in)	40 years	34 of 100 (Routine)
4 October 1978	Goedgevonden, ZA	daily rain	52.0 mm (2.0 in)	33.5 mm (1.3 in)	1 year	34 of 100 (Routine)
4 October 1978	Uberlingen/Bodensee, DE	daily rain	25.6 mm (1.0 in)	15.6 mm (0.6 in)	11 years	32 of 100 (Routine)
4 October 1978	Irapuato, MX	monthly rain	58.4 mm (2.3 in)	1.0 mm (0.04 in)	47 years	32 of 100 (Routine)
4 October 1978	Kranskop (Tnk), ZA	daily rain	55.5 mm (2.2 in)	19.0 mm (0.7 in)	23 years	32 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

1795 to 1978

Records set or tied on this calendar date in each year from 1795 to 1978. 1978 had 488 records.

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

Records on 10-04 in each year
Year	Records
1795	1
1802	1
1841	2
1843	1
1844	2
1847	2
1853	1
1859	1
1864	8
1865	2
1867	1
1868	1
1873	1
1875	1
1876	1
1878	1
1880	1
1881	3
1882	1
1883	3
1884	4
1885	2
1886	3
1888	5
1889	2
1890	1
1891	3
1892	2
1893	2
1894	3
1895	3
1896	3
1898	4
1899	1
1900	3
1901	9
1902	5
1903	8
1904	5
1905	11
1906	29
1907	10
1908	18
1909	13
1910	21
1911	23
1912	101
1913	12
1914	18
1915	13
1916	137
1917	157
1918	127
1919	30
1920	31
1921	46
1922	44
1923	21
1924	63
1925	130
1926	255
1927	172
1928	131
1929	339
1930	244
1931	361
1932	413
1933	299
1934	121
1935	833
1936	161
1937	483
1938	440
1939	345
1940	220
1941	850
1942	198
1943	426
1944	328
1945	543
1946	314
1947	592
1948	449
1949	491
1950	565
1951	617
1952	717
1953	358
1954	999
1955	630
1956	467
1957	533
1958	704
1959	812
1960	246
1961	758
1962	313
1963	528
1964	389
1965	760
1966	464
1967	440
1968	587
1969	628
1970	539
1971	361
1972	712
1973	604
1974	1,846
1975	681
1976	869
1977	517
1978	488
1979	733
1980	975
1981	994
1982	415
1983	762
1984	864
1985	863
1986	1,265
1987	1,502
1988	713
1989	742
1990	845
1991	813
1992	866
1993	956
1994	1,341
1995	1,192
1996	1,012
1997	928
1998	1,487
1999	1,596
2000	917
2001	547
2002	1,465
2003	610
2004	562
2005	1,973
2006	987
2007	997
2008	935
2009	1,431
2010	1,230
2011	919
2012	864
2013	1,130
2014	611
2015	741
2016	680
2017	780
2018	979
2019	1,131
2020	897
2021	644
2022	561
2023	936
2024	1,197
2025	979
2026	942

Download the Data

Data for records on 1978-10-04: 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 10	332
10 to 20	60
20 to 30	4
30 to 40	4
40 to 50	1