Weather Records on 9 September 1978

702 weather records were set or tied worldwide on 9 September 1978. Highest significance: Ukiah, US.

Key Facts for 9 September 1978

On 9 September 1978, 702 weather records were set or tied at long-record stations worldwide.
204 were record highs and 194 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 693 daily.
Ukiah set a daily record precipitation of 38.1 mm (1.5 in) on 9 September 1978.
Across 162 earlier years (1806 to 2026) the same calendar date averaged 460 records.

Record Map

702 stations

702 station records on 9 September 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 September 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ukiah	United States	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Impendle (Pol)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	54 of 100 (Notable)
Stromsfoss Sluse	Norway	Record daily precipitation	51.1 mm (2.0 in)	52 of 100 (Notable)
Mt Adams Rs	United States	Record daily precipitation	29.7 mm (1.2 in)	51 of 100 (Notable)
Elderslie, Tweedie	South Africa	Record daily precipitation	46.7 mm (1.8 in)	50 of 100 (Notable)
Ft Ross	United States	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Point Arena	United States	Record daily precipitation	52.3 mm (2.1 in)	49 of 100 (Notable)
Bremerton	United States	Record daily precipitation	37.3 mm (1.5 in)	49 of 100 (Notable)
Magiscatzin (Smn)	Mexico	Record daily precipitation	102.9 mm (4.1 in)	48 of 100 (Notable)
Healdsburg	United States	Record daily precipitation	43.9 mm (1.7 in)	47 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record daily precipitation	29.5 mm (1.2 in)	47 of 100 (Notable)
Cummings	United States	Record daily precipitation	40.6 mm (1.6 in)	46 of 100 (Notable)
Kentfield	United States	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Sexton Summit	United States	Record daily precipitation	30.2 mm (1.2 in)	45 of 100 (Notable)
Langley Downs	Australia	Record daily precipitation	40.0 mm (1.6 in)	44 of 100 (Notable)
Groongal (Groongal Station)	Australia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Lakeport	United States	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Mt Shasta	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	27.7 mm (1.1 in)	43 of 100 (Notable)
Haskins Dam	United States	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Blue Canyon Nyack AP	United States	Record daily precipitation	42.9 mm (1.7 in)	42 of 100 (Notable)
Port Hastings	Canada	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Cachoeira Escura	Brazil	Record daily precipitation	43.6 mm (1.7 in)	40 of 100 (Notable)
Clowhom Falls	Canada	Record daily precipitation	54.4 mm (2.1 in)	40 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high maximum temperature	36.1 C (97.0 F)	40 of 100 (Notable)
Crowe's Place,Seven	South Africa	Record daily precipitation	52.0 mm (2.0 in)	40 of 100 (Notable)
Somerville 4 NW	United States	Record low maximum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
Tiruchchirapalli	India	Record daily precipitation	150.1 mm (5.9 in)	39 of 100 (Notable)
Bokfontein, Franklin	South Africa	Record daily precipitation	30.2 mm (1.2 in)	39 of 100 (Notable)
Freehold-Marlboro	United States	Record low maximum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Willamina	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Eureka	South Africa	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Alderpoint	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Angwin Pacific Union College	United States	Record daily precipitation	41.9 mm (1.6 in)	38 of 100 (Notable)
Brookings	United States	Record daily precipitation	53.6 mm (2.1 in)	38 of 100 (Notable)
Illahe	United States	Record daily precipitation	42.7 mm (1.7 in)	38 of 100 (Notable)
Sacramento 5 ESE	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Atengo (Smn)	Mexico	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Belvidere	United States	Record low maximum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Covelo	United States	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Cherry Grove 2 S	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Seaside	United States	Record daily precipitation	28.4 mm (1.1 in)	36 of 100 (Notable)
Jerilderie (Pooginook)	Australia	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Olympia AP	United States	Record daily precipitation	34.0 mm (1.3 in)	35 of 100 (Notable)
De Sabla	United States	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
College Park	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Wauna 3 W	United States	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Gagetown 2	Canada	Record low maximum temperature	10.5 C (50.9 F)	33 of 100 (Routine)
Potter Valley Powerhouse	United States	Record daily precipitation	38.9 mm (1.5 in)	33 of 100 (Routine)
Charlotteburg Rsvr	United States	Record low maximum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Hightstown 2 W	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Toms River	United States	Record low maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Coatesville 1 SW	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Grapeview 3 SW	United States	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Palpan	Mexico	Record daily precipitation	72.9 mm (2.9 in)	32 of 100 (Routine)
Kwa-Mbonambi (Bos)	South Africa	Record daily precipitation	44.0 mm (1.7 in)	32 of 100 (Routine)
Ulrika	Sweden	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Eastport	United States	Record low maximum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Hagerstown	United States	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Newton	United States	Record low maximum temperature	15.6 C (60.1 F)	32 of 100 (Routine)

Counts by Type and Timescale

702 records

Records set or tied on 9 September 1978 by type: Highest daily maximum 103, Lowest daily maximum 146, Highest daily minimum 101, Lowest daily minimum 48, Heaviest daily rainfall 303, Deepest snow cover 1.

Records on 9 September 1978 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	146
Highest daily minimum	101
Lowest daily minimum	48
Heaviest daily rainfall	303
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 9 September 1978 by timescale: all-time 0, monthly 9, daily 693.

How Much Records Were Beaten By

553 broken records

Margins by which the 553 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 200.0. Ties are not counted.

Top 20 by Significance

9 September 1978

Top 20 records on 9 September 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 1978	Ukiah, US	daily rain	38.1 mm (1.5 in)	36.8 mm (1.4 in)	48 years	58 of 100 (Notable)
9 September 1978	Impendle (Pol), ZA	daily rain	47.0 mm (1.9 in)	38.1 mm (1.5 in)	32 years	54 of 100 (Notable)
9 September 1978	Stromsfoss Sluse, NO	daily rain	51.1 mm (2.0 in)	25.8 mm (1.0 in)	31 years	52 of 100 (Notable)
9 September 1978	Mt Adams Rs, US	daily rain	29.7 mm (1.2 in)	24.9 mm (1.0 in)	44 years	51 of 100 (Notable)
9 September 1978	Elderslie, Tweedie, ZA	daily rain	46.7 mm (1.8 in)	28.2 mm (1.1 in)	45 years	50 of 100 (Notable)
9 September 1978	Ft Ross, US	daily rain	37.3 mm (1.5 in)	36.5 mm (1.4 in)	40 years	49 of 100 (Notable)
9 September 1978	Point Arena, US	daily rain	52.3 mm (2.1 in)	51.0 mm (2.0 in)	28 years	49 of 100 (Notable)
9 September 1978	Bremerton, US	daily rain	37.3 mm (1.5 in)	16.0 mm (0.6 in)	67 years	49 of 100 (Notable)
9 September 1978	Magiscatzin (Smn), MX	daily rain	102.9 mm (4.1 in)	63.0 mm (2.5 in)	29 years	48 of 100 (Notable)
9 September 1978	Healdsburg, US	daily rain	43.9 mm (1.7 in)	40.9 mm (1.6 in)	48 years	47 of 100 (Notable)
9 September 1978	San Rafael-Civic Ctr, US	daily rain	29.5 mm (1.2 in)	29.5 mm (1.2 in)	83 years	47 of 100 (Notable)
9 September 1978	Cummings, US	daily rain	40.6 mm (1.6 in)	34.2 mm (1.3 in)	48 years	46 of 100 (Notable)
9 September 1978	Kentfield, US	daily rain	27.7 mm (1.1 in)	27.7 mm (1.1 in)	73 years	46 of 100 (Notable)
9 September 1978	Sexton Summit, US	daily rain	30.2 mm (1.2 in)	26.9 mm (1.1 in)	28 years	45 of 100 (Notable)
9 September 1978	Langley Downs, AU	daily rain	40.0 mm (1.6 in)	32.4 mm (1.3 in)	28 years	44 of 100 (Notable)
9 September 1978	Groongal (Groongal Station), AU	daily rain	25.0 mm (1.0 in)	6.2 mm (0.24 in)	88 years	44 of 100 (Notable)
9 September 1978	Lakeport, US	daily rain	25.4 mm (1.0 in)	24.1 mm (0.9 in)	36 years	44 of 100 (Notable)
9 September 1978	Mt Shasta, US	daily rain	48.3 mm (1.9 in)	44.5 mm (1.8 in)	25 years	43 of 100 (Notable)
9 September 1978	Seattle Urban Site, US	daily rain	27.7 mm (1.1 in)	10.2 mm (0.4 in)	67 years	43 of 100 (Notable)
9 September 1978	Haskins Dam, US	daily rain	50.3 mm (2.0 in)	34.0 mm (1.3 in)	21 years	42 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

1806 to 1978

Records set or tied on this calendar date in each year from 1806 to 1978. 1978 had 702 records.

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

Records on 09-09 in each year
Year	Records
1806	1
1812	1
1813	1
1814	2
1834	1
1836	1
1845	1
1847	1
1848	1
1849	2
1850	1
1854	1
1864	2
1865	3
1866	3
1867	1
1869	1
1871	1
1873	1
1878	1
1879	1
1880	2
1883	3
1884	4
1886	1
1888	4
1889	1
1890	1
1891	1
1892	4
1893	4
1894	3
1895	7
1897	3
1898	5
1899	6
1900	1
1901	4
1902	5
1903	14
1904	9
1905	8
1906	24
1907	9
1908	5
1909	9
1910	17
1911	27
1912	48
1913	12
1914	69
1915	48
1916	16
1917	44
1918	40
1919	74
1920	145
1921	92
1922	115
1923	58
1924	232
1925	248
1926	168
1927	246
1928	108
1929	362
1930	211
1931	558
1932	302
1933	433
1934	256
1935	461
1936	297
1937	242
1938	416
1939	429
1940	294
1941	763
1942	357
1943	596
1944	719
1945	355
1946	366
1947	465
1948	307
1949	1,407
1950	426
1951	338
1952	511
1953	344
1954	283
1955	608
1956	742
1957	390
1958	419
1959	736
1960	492
1961	383
1962	847
1963	400
1964	488
1965	326
1966	366
1967	367
1968	440
1969	603
1970	584
1971	498
1972	464
1973	517
1974	689
1975	555
1976	773
1977	410
1978	702
1979	878
1980	829
1981	1,011
1982	814
1983	958
1984	1,304
1985	1,269
1986	1,026
1987	676
1988	836
1989	983
1990	762
1991	882
1992	620
1993	886
1994	892
1995	937
1996	809
1997	837
1998	1,667
1999	1,013
2000	811
2001	1,647
2002	1,355
2003	786
2004	1,603
2005	1,068
2006	917
2007	948
2008	1,161
2009	792
2010	1,049
2011	1,328
2012	681
2013	974
2014	590
2015	806
2016	1,210
2017	661
2018	876
2019	953
2020	2,579
2021	1,458
2022	1,094
2023	1,222
2024	1,146
2025	520
2026	815

Download the Data

Data for records on 1978-09-09: 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 25	516
25 to 50	33
50 to 75	3
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1