Weather Records on 17 April 1976

1,630 weather records were set or tied worldwide on 17 April 1976. Highest significance: Lamoni, US.

Key Facts for 17 April 1976

On 17 April 1976, 1,630 weather records were set or tied at long-record stations worldwide.
980 were record highs and 323 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 94 monthly and 1,536 daily.
Lamoni set a monthly record daily precipitation of 101.3 mm (4.0 in) on 17 April 1976.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 445 records.

Record Map

1,630 stations

1,630 station records on 17 April 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lamoni	United States	Record daily precipitation	101.3 mm (4.0 in)	58 of 100 (Notable)
Medicine Lodge	United States	Record daily precipitation	55.1 mm (2.2 in)	58 of 100 (Notable)
Allison	United States	Record daily precipitation	56.1 mm (2.2 in)	57 of 100 (Notable)
Spearfish	United States	Record daily precipitation	54.4 mm (2.1 in)	57 of 100 (Notable)
McNary 2N	United States	Record snow depth	38.1 cm (15.0 in)	54 of 100 (Notable)
Crown King	United States	Record snow depth	25.4 cm (10.0 in)	53 of 100 (Notable)
King City	United States	Record daily precipitation	53.6 mm (2.1 in)	53 of 100 (Notable)
Poco Das Trincheiras	Brazil	Record daily precipitation	56.2 mm (2.2 in)	52 of 100 (Notable)
Clifton	United States	Record low maximum temperature	8.9 C (48.0 F)	49 of 100 (Notable)
Epping	United States	Record daily precipitation	27.4 mm (1.1 in)	49 of 100 (Notable)
Benton Harbor AP	United States	Record high minimum temperature	22.2 C (72.0 F)	48 of 100 (Notable)
Rolla 1NE	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Haileybury	Canada	Record high maximum temperature	28.3 C (82.9 F)	47 of 100 (Notable)
Biddle	United States	Record daily precipitation	32.5 mm (1.3 in)	47 of 100 (Notable)
Max	United States	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Des Moines Intl AP	United States	Record daily precipitation	65.5 mm (2.6 in)	47 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Carson	United States	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Teotitlan del Camino (Smn)	Mexico	Record daily precipitation	30.0 mm (1.2 in)	45 of 100 (Notable)
Belcourt Keya Radio	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Sao Bento Do Una	Brazil	Record daily precipitation	82.0 mm (3.2 in)	44 of 100 (Notable)
Tuscola	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Setauket Strong	United States	Record high maximum temperature	31.7 C (89.1 F)	44 of 100 (Notable)
Abilene	United States	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Bernalillo	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Falls City Brenner Fld	United States	Record daily precipitation	62.7 mm (2.5 in)	43 of 100 (Notable)
Booby Island Lighthouse	Australia	Record daily precipitation	91.8 mm (3.6 in)	42 of 100 (Notable)
Zugdidi	Georgia	Record daily precipitation	53.7 mm (2.1 in)	42 of 100 (Notable)
Tempe	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Peterboro 2 S	United States	Record high maximum temperature	30.0 C (86.0 F)	42 of 100 (Notable)
Pearce - Sunsites	United States	Record low maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Bailey	United States	Record daily precipitation	32.8 mm (1.3 in)	41 of 100 (Notable)
Annapolis US Naval Aca	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
W Pt	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	55.6 mm (2.2 in)	41 of 100 (Notable)
Stanley 3 NNW	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Tuttle	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Woolooga Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	40 of 100 (Notable)
Casa Grande Nm	United States	Record low maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Sierra Ancha	United States	Record low maximum temperature	1.7 C (35.1 F)	40 of 100 (Notable)
Ouray	United States	Record daily snowfall	26.2 cm (10.3 in)	40 of 100 (Notable)
Pagosa Springs 1SE	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Rushville	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Lucknow	Canada	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Port Stanley	Canada	Record high maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Tombstone	United States	Record low maximum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Tropic	United States	Record low maximum temperature	3.3 C (37.9 F)	39 of 100 (Notable)
Miami	United States	Record low maximum temperature	5.6 C (42.1 F)	38 of 100 (Notable)
Ouray	United States	Record low maximum temperature	4.4 C (39.9 F)	38 of 100 (Notable)
Vallecito Dam	United States	Record daily snowfall	10.2 cm (4.0 in)	38 of 100 (Notable)
Manhattan	United States	Record daily precipitation	43.9 mm (1.7 in)	38 of 100 (Notable)
McCracken	United States	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Bethlehem	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Gage	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Towner 2 NE	United States	Record daily precipitation	26.7 mm (1.1 in)	38 of 100 (Notable)
Fort Huachuca	United States	Record low minimum temperature	-5.0 C (23.0 F)	38 of 100 (Notable)
Philadelphia City	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,630 records

Records set or tied on 17 April 1976 by type: Highest daily maximum 478, Lowest daily maximum 202, Highest daily minimum 502, Lowest daily minimum 121, Heaviest daily rainfall 271, Heaviest daily snowfall 40, Deepest snow cover 16.

Records on 17 April 1976 by type
Record type	Records
Highest daily maximum	478
Lowest daily maximum	202
Highest daily minimum	502
Lowest daily minimum	121
Heaviest daily rainfall	271
Heaviest daily snowfall	40
Deepest snow cover	16

Records on 17 April 1976 by timescale: all-time 0, monthly 94, daily 1,536.

How Much Records Were Beaten By

1,356 broken records

Margins by which the 1,356 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 390.0. Ties are not counted.

Top 20 by Significance

17 April 1976

Top 20 records on 17 April 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1976	Lamoni, US	monthly rain	101.3 mm (4.0 in)	50.0 mm (2.0 in)	3 years	58 of 100 (Notable)
17 April 1976	Medicine Lodge, US	daily rain	55.1 mm (2.2 in)	33.0 mm (1.3 in)	79 years	58 of 100 (Notable)
17 April 1976	Allison, US	daily rain	56.1 mm (2.2 in)	34.3 mm (1.4 in)	37 years	57 of 100 (Notable)
17 April 1976	Spearfish, US	daily rain	54.4 mm (2.1 in)	26.5 mm (1.0 in)	81 years	57 of 100 (Notable)
17 April 1976	McNary 2N, US	daily snow depth	38.1 cm (15.0 in)	33.0 cm (13.0 in)	42 years	54 of 100 (Notable)
17 April 1976	Crown King, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	61 years	53 of 100 (Notable)
17 April 1976	King City, US	daily rain	53.6 mm (2.1 in)	39.1 mm (1.5 in)	41 years	53 of 100 (Notable)
17 April 1976	Poco Das Trincheiras, BR	daily rain	56.2 mm (2.2 in)	45.2 mm (1.8 in)	52 years	52 of 100 (Notable)
17 April 1976	Clifton, US	daily low max	8.9 C (48.0 F)	11.1 C (20.0 F)	54 years	49 of 100 (Notable)
17 April 1976	Epping, US	daily rain	27.4 mm (1.1 in)	16.2 mm (0.6 in)	58 years	49 of 100 (Notable)
17 April 1976	Benton Harbor AP, US	monthly high min	22.2 C (72.0 F)	3.3 C (5.9 F)	80 years	48 of 100 (Notable)
17 April 1976	Rolla 1NE, US	daily rain	44.5 mm (1.8 in)	40.9 mm (1.6 in)	4 years	48 of 100 (Notable)
17 April 1976	Haileybury, CA	daily high max	28.3 C (82.9 F)	11.6 C (20.9 F)	75 years	47 of 100 (Notable)
17 April 1976	Biddle, US	daily rain	32.5 mm (1.3 in)	16.0 mm (0.6 in)	56 years	47 of 100 (Notable)
17 April 1976	Max, US	daily rain	38.6 mm (1.5 in)	29.2 mm (1.1 in)	13 years	47 of 100 (Notable)
17 April 1976	Des Moines Intl AP, US	daily rain	65.5 mm (2.6 in)	50.8 mm (2.0 in)	16 years	47 of 100 (Notable)
17 April 1976	Cambridge, US	daily high min	15.6 C (60.1 F)	7.3 C (13.1 F)	81 years	46 of 100 (Notable)
17 April 1976	Carson, US	daily rain	37.1 mm (1.5 in)	15.5 mm (0.6 in)	62 years	46 of 100 (Notable)
17 April 1976	Teotitlan del Camino (Smn), MX	daily rain	30.0 mm (1.2 in)	25.2 mm (1.0 in)	9 years	45 of 100 (Notable)
17 April 1976	Belcourt Keya Radio, US	daily rain	30.5 mm (1.2 in)	27.2 mm (1.1 in)	13 years	45 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

1799 to 1976

Records set or tied on this calendar date in each year from 1799 to 1976. 1976 had 1,630 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1976-04-17: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	1,326
50 to 100	17
100 to 150	6
150 to 200	2
200 to 250	0
250 to 300	2
300 to 350	1
350 to 400	2