Weather Records on 30 September 1950

731 weather records were set or tied worldwide on 30 September 1950. Highest significance: Moran 5WNW, US.

Key Facts for 30 September 1950

On 30 September 1950, 731 weather records were set or tied at long-record stations worldwide.
184 were record highs and 354 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 49 monthly and 682 daily.
Moran 5WNW set a monthly record daily snowfall of 34.3 cm (13.5 in) on 30 September 1950.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 438 records.

Record Map

731 stations

731 station records on 30 September 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moran 5WNW	United States	Record daily snowfall	34.3 cm (13.5 in)	63 of 100 (Major)
Dillon U of Montana Western	United States	Record daily snowfall	30.5 cm (12.0 in)	59 of 100 (Notable)
Rapelje	United States	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Dryden	Canada	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Lovell	United States	Record daily snowfall	19.1 cm (7.5 in)	47 of 100 (Notable)
Nieuwoudville (Pol)	South Africa	Record daily precipitation	38.9 mm (1.5 in)	45 of 100 (Notable)
Caldwell	Canada	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Bridger 2 N	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Crow Agency	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Skjomen	Norway	Record daily precipitation	34.3 mm (1.4 in)	40 of 100 (Notable)
Cascade 5 S	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Powell	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Muktesar	India	Record daily precipitation	38.6 mm (1.5 in)	37 of 100 (Notable)
Bradenton Exp STN	United States	Record daily precipitation	103.9 mm (4.1 in)	37 of 100 (Notable)
Hebgen Dam	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Mudhol	India	Record daily precipitation	132.1 mm (5.2 in)	34 of 100 (Routine)
Karmala	India	Record daily precipitation	75.2 mm (3.0 in)	34 of 100 (Routine)
Beardsley	United States	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Busby	United States	Record daily snowfall	9.4 cm (3.7 in)	34 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	-8.3 C (17.1 F)	33 of 100 (Routine)
Goderich	Canada	Record high minimum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Susanville 2SW	United States	Record low minimum temperature	-7.8 C (18.0 F)	32 of 100 (Routine)
Red Lodge	United States	Record daily snowfall	14.0 cm (5.5 in)	32 of 100 (Routine)
Red Lodge	United States	Record snow depth	10.2 cm (4.0 in)	32 of 100 (Routine)
Lovell	United States	Record low maximum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Beowawe	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Dubois	United States	Record low maximum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Yreka	United States	Record low minimum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Montevideo 1SW	United States	Record daily precipitation	44.7 mm (1.8 in)	30 of 100 (Routine)
Flatwillow 4 ENE	United States	Record daily snowfall	20.3 cm (8.0 in)	30 of 100 (Routine)
Barrow AP	United States	Record daily snowfall	11.2 cm (4.4 in)	30 of 100 (Routine)
Hay (Illilawa)	Australia	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)
Elk Point	Canada	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Mountain View	Canada	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
St Walburg	Canada	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Ankenes	Norway	Record daily precipitation	35.8 mm (1.4 in)	29 of 100 (Routine)
Ft Bidwell	United States	Record low minimum temperature	-7.8 C (18.0 F)	29 of 100 (Routine)
Livermore	United States	Record low minimum temperature	1.7 C (35.1 F)	29 of 100 (Routine)
Truckee Rs	United States	Record low minimum temperature	-8.9 C (16.0 F)	29 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Glendive	United States	Record daily snowfall	10.2 cm (4.0 in)	29 of 100 (Routine)
Hayward Rs	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Rock Springs 7 SE	United States	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Geraldine 6 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Missoula 6 NW WFO	United States	Record low maximum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Madison	United States	Record high minimum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Eutawville	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Moran 5WNW	United States	Record low maximum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Sundance	United States	Record low maximum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Santa Cruz	United States	Record low minimum temperature	2.8 C (37.0 F)	26 of 100 (Routine)
Grayling	United States	Record high minimum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Babb 6 NE	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Chinook	United States	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Lima	United States	Record low maximum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Norris Madison Pwr House	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Norris Madison Pwr House	United States	Record snow depth	10.2 cm (4.0 in)	26 of 100 (Routine)
Golconda	United States	Record low minimum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Midvale	United States	Record low maximum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Lake Mills Wwtp	United States	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Big Creek	Canada	Record low minimum temperature	-10.6 C (12.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

731 records

Records set or tied on 30 September 1950 by type: Highest daily maximum 15, Lowest daily maximum 206, Highest daily minimum 169, Lowest daily minimum 148, Heaviest daily rainfall 135, Heaviest daily snowfall 54, Deepest snow cover 4.

Records on 30 September 1950 by type
Record type	Records
Highest daily maximum	15
Lowest daily maximum	206
Highest daily minimum	169
Lowest daily minimum	148
Heaviest daily rainfall	135
Heaviest daily snowfall	54
Deepest snow cover	4

Records on 30 September 1950 by timescale: all-time 0, monthly 49, daily 682.

How Much Records Were Beaten By

594 broken records

Margins by which the 594 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

30 September 1950

Top 20 records on 30 September 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1950	Moran 5WNW, US	monthly snowfall	34.3 cm (13.5 in)	24.1 cm (9.5 in)	30 years	63 of 100 (Major)
30 September 1950	Dillon U of Montana Western, US	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	49 years	59 of 100 (Notable)
30 September 1950	Rapelje, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	41 years	56 of 100 (Notable)
30 September 1950	Dryden, CA	daily rain	62.7 mm (2.5 in)	46.4 mm (1.8 in)	15 years	47 of 100 (Notable)
30 September 1950	Lovell, US	monthly snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	16 years	47 of 100 (Notable)
30 September 1950	Nieuwoudville (Pol), ZA	daily rain	38.9 mm (1.5 in)	28.7 mm (1.1 in)	35 years	45 of 100 (Notable)
30 September 1950	Caldwell, CA	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	33 years	44 of 100 (Notable)
30 September 1950	Bridger 2 N, US	monthly snowfall	12.7 cm (5.0 in)	11.4 cm (4.5 in)	24 years	44 of 100 (Notable)
30 September 1950	Crow Agency, US	monthly snowfall	20.3 cm (8.0 in)	7.6 cm (3.0 in)	37 years	41 of 100 (Notable)
30 September 1950	Skjomen, NO	daily rain	34.3 mm (1.4 in)	14.1 mm (0.6 in)	40 years	40 of 100 (Notable)
30 September 1950	Cascade 5 S, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	45 years	39 of 100 (Notable)
30 September 1950	Powell, US	monthly snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	16 years	38 of 100 (Notable)
30 September 1950	Muktesar, IN	daily rain	38.6 mm (1.5 in)	38.6 mm (1.5 in)	48 years	37 of 100 (Notable)
30 September 1950	Bradenton Exp STN, US	daily rain	103.9 mm (4.1 in)	53.1 mm (2.1 in)	29 years	37 of 100 (Notable)
30 September 1950	Hebgen Dam, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	45 years	37 of 100 (Notable)
30 September 1950	Mudhol, IN	daily rain	132.1 mm (5.2 in)	48.5 mm (1.9 in)	12 years	34 of 100 (Routine)
30 September 1950	Karmala, IN	daily rain	75.2 mm (3.0 in)	38.4 mm (1.5 in)	40 years	34 of 100 (Routine)
30 September 1950	Beardsley, US	daily rain	25.9 mm (1.0 in)	15.0 mm (0.6 in)	47 years	34 of 100 (Routine)
30 September 1950	Busby, US	daily snowfall	9.4 cm (3.7 in)	9.4 cm (3.7 in)	43 years	34 of 100 (Routine)
30 September 1950	Winnemucca AP, US	daily low min	-8.3 C (17.1 F)	2.7 C (4.9 F)	68 years	33 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

1806 to 1950

Records set or tied on this calendar date in each year from 1806 to 1950. 1950 had 731 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	523

Download the Data

Data for records on 1950-09-30: 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 50	561
50 to 100	20
100 to 150	9
150 to 200	1
200 to 250	2
250 to 300	0
300 to 350	1