Weather Records on 30 December 1986

852 weather records were set or tied worldwide on 30 December 1986. Highest significance: Leeuwarden_1, NL.

Key Facts for 30 December 1986

On 30 December 1986, 852 weather records were set or tied at long-record stations worldwide.
263 were record highs and 86 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 13 monthly and 837 daily.
Leeuwarden_1 set a daily record precipitation of 28.2 mm (1.1 in) on 30 December 1986.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 493 records.

Record Map

852 stations

852 station records on 30 December 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Leeuwarden_1	Netherlands	Record daily precipitation	28.2 mm (1.1 in)	58 of 100 (Notable)
Port Isabel	United States	Record daily precipitation	72.6 mm (2.9 in)	57 of 100 (Notable)
Jimbour State School	Australia	Record daily precipitation	76.8 mm (3.0 in)	53 of 100 (Notable)
Hoorn	Netherlands	Record daily precipitation	26.5 mm (1.0 in)	53 of 100 (Notable)
Chanchichimila	Mexico	Record daily precipitation	56.9 mm (2.2 in)	52 of 100 (Notable)
Zweelo	Netherlands	Record daily precipitation	27.7 mm (1.1 in)	51 of 100 (Notable)
Emmen	Netherlands	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Onnen	Netherlands	Record daily precipitation	25.6 mm (1.0 in)	49 of 100 (Notable)
McAllen	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
McCook	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Elburg	Netherlands	Record daily precipitation	28.2 mm (1.1 in)	48 of 100 (Notable)
Sappemeer	Netherlands	Record daily precipitation	26.6 mm (1.0 in)	48 of 100 (Notable)
Eelde-1	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	48 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	51.8 mm (2.0 in)	48 of 100 (Notable)
Raymondville	United States	Record daily precipitation	35.3 mm (1.4 in)	48 of 100 (Notable)
St. Anna Parochie	Netherlands	Record daily precipitation	27.4 mm (1.1 in)	47 of 100 (Notable)
Marum	Netherlands	Record daily precipitation	28.6 mm (1.1 in)	47 of 100 (Notable)
Roden	Netherlands	Record daily precipitation	27.5 mm (1.1 in)	46 of 100 (Notable)
Edam	Netherlands	Record daily precipitation	27.6 mm (1.1 in)	46 of 100 (Notable)
Richmond Post Office	Australia	Record high minimum temperature	31.0 C (87.8 F)	45 of 100 (Notable)
Bocholt	Germany	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Enkhuizen	Netherlands	Record daily precipitation	27.2 mm (1.1 in)	44 of 100 (Notable)
Hoogkarspel	Netherlands	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Harlingen	United States	Record daily precipitation	36.3 mm (1.4 in)	44 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)
Maarheeze	Netherlands	Record daily precipitation	26.0 mm (1.0 in)	42 of 100 (Notable)
Volta Redonda	Brazil	Record daily precipitation	63.4 mm (2.5 in)	41 of 100 (Notable)
Elspeet	Netherlands	Record daily precipitation	27.7 mm (1.1 in)	41 of 100 (Notable)
Gorredijk	Netherlands	Record daily precipitation	28.8 mm (1.1 in)	41 of 100 (Notable)
Nes (Ameland)	Netherlands	Record daily precipitation	26.1 mm (1.0 in)	41 of 100 (Notable)
Oldeholtpade	Netherlands	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Caete	Brazil	Record daily precipitation	175.4 mm (6.9 in)	40 of 100 (Notable)
Borken In Westfalen	Germany	Record daily precipitation	29.3 mm (1.2 in)	40 of 100 (Notable)
Bramsche	Germany	Record daily precipitation	33.3 mm (1.3 in)	40 of 100 (Notable)
Zaandam (Hembrug)	Netherlands	Record daily precipitation	28.3 mm (1.1 in)	40 of 100 (Notable)
Oxford	United Kingdom	Record high minimum temperature	9.3 C (48.7 F)	40 of 100 (Notable)
Apeldoorn	Netherlands	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Amsterdam	Netherlands	Record daily precipitation	26.3 mm (1.0 in)	39 of 100 (Notable)
Aachen	Germany	Record high minimum temperature	7.6 C (45.7 F)	38 of 100 (Notable)
Milan	Italy	Record high maximum temperature	14.0 C (57.2 F)	38 of 100 (Notable)
Camacho	Mexico	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
San Juanillo	Mexico	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Drachten	Netherlands	Record daily precipitation	26.8 mm (1.1 in)	38 of 100 (Notable)
Wapenveld	Netherlands	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Bergumerdam	Netherlands	Record daily precipitation	25.8 mm (1.0 in)	37 of 100 (Notable)
Aalten	Netherlands	Record daily precipitation	26.2 mm (1.0 in)	37 of 100 (Notable)
Beekbergen	Netherlands	Record daily precipitation	29.3 mm (1.2 in)	37 of 100 (Notable)
Ezumazijl	Netherlands	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Lijnden (Nh)	Netherlands	Record daily precipitation	26.9 mm (1.1 in)	37 of 100 (Notable)
De Bilt	Netherlands	Record daily precipitation	32.1 mm (1.3 in)	37 of 100 (Notable)
Heeg	Netherlands	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Oldebroek	Netherlands	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
Ft Yates 4 SW	United States	Record high maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Mankayane	Swaziland	Record daily precipitation	91.5 mm (3.6 in)	35 of 100 (Notable)
Buritizal	Brazil	Record daily precipitation	76.1 mm (3.0 in)	34 of 100 (Routine)
Garcia	Brazil	Record daily precipitation	47.0 mm (1.9 in)	33 of 100 (Routine)
Yahualica de Gonzalez Gallo (	Mexico	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Heerde	Netherlands	Record daily precipitation	25.8 mm (1.0 in)	33 of 100 (Routine)
Appelscha	Netherlands	Record daily precipitation	26.9 mm (1.1 in)	33 of 100 (Routine)
Leende	Netherlands	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

852 records

Records set or tied on 30 December 1986 by type: Highest daily maximum 54, Lowest daily maximum 59, Highest daily minimum 209, Lowest daily minimum 27, Heaviest daily rainfall 477, Heaviest daily snowfall 18, Deepest snow cover 8.

Records on 30 December 1986 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	59
Highest daily minimum	209
Lowest daily minimum	27
Heaviest daily rainfall	477
Heaviest daily snowfall	18
Deepest snow cover	8

Records on 30 December 1986 by timescale: all-time 2, monthly 13, daily 837.

How Much Records Were Beaten By

775 broken records

Margins by which the 775 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.9. Ties are not counted.

Top 20 by Significance

30 December 1986

Top 20 records on 30 December 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1986	Leeuwarden_1, NL	daily rain	28.2 mm (1.1 in)	14.8 mm (0.6 in)	45 years	58 of 100 (Notable)
30 December 1986	Port Isabel, US	daily rain	72.6 mm (2.9 in)	56.9 mm (2.2 in)	28 years	57 of 100 (Notable)
30 December 1986	Jimbour State School, AU	daily rain	76.8 mm (3.0 in)	22.4 mm (0.9 in)	93 years	53 of 100 (Notable)
30 December 1986	Hoorn, NL	daily rain	26.5 mm (1.0 in)	13.0 mm (0.5 in)	45 years	53 of 100 (Notable)
30 December 1986	Chanchichimila, MX	daily rain	56.9 mm (2.2 in)	54.1 mm (2.1 in)	31 years	52 of 100 (Notable)
30 December 1986	Zweelo, NL	daily rain	27.7 mm (1.1 in)	19.0 mm (0.7 in)	28 years	51 of 100 (Notable)
30 December 1986	Emmen, NL	daily rain	25.4 mm (1.0 in)	18.5 mm (0.7 in)	28 years	50 of 100 (Notable)
30 December 1986	Onnen, NL	daily rain	25.6 mm (1.0 in)	19.8 mm (0.8 in)	21 years	49 of 100 (Notable)
30 December 1986	McAllen, US	daily rain	40.6 mm (1.6 in)	29.2 mm (1.1 in)	19 years	49 of 100 (Notable)
30 December 1986	McCook, US	daily rain	40.6 mm (1.6 in)	26.9 mm (1.1 in)	19 years	49 of 100 (Notable)
30 December 1986	Elburg, NL	daily rain	28.2 mm (1.1 in)	18.9 mm (0.7 in)	19 years	48 of 100 (Notable)
30 December 1986	Sappemeer, NL	daily rain	26.6 mm (1.0 in)	18.0 mm (0.7 in)	21 years	48 of 100 (Notable)
30 December 1986	Eelde-1, NL	daily rain	25.1 mm (1.0 in)	17.7 mm (0.7 in)	21 years	48 of 100 (Notable)
30 December 1986	Falfurrias, US	daily rain	51.8 mm (2.0 in)	25.4 mm (1.0 in)	48 years	48 of 100 (Notable)
30 December 1986	Raymondville, US	daily rain	35.3 mm (1.4 in)	16.8 mm (0.7 in)	69 years	48 of 100 (Notable)
30 December 1986	St. Anna Parochie, NL	daily rain	27.4 mm (1.1 in)	16.5 mm (0.6 in)	19 years	47 of 100 (Notable)
30 December 1986	Marum, NL	daily rain	28.6 mm (1.1 in)	18.5 mm (0.7 in)	19 years	47 of 100 (Notable)
30 December 1986	Roden, NL	daily rain	27.5 mm (1.1 in)	18.0 mm (0.7 in)	21 years	46 of 100 (Notable)
30 December 1986	Edam, NL	daily rain	27.6 mm (1.1 in)	17.5 mm (0.7 in)	19 years	46 of 100 (Notable)
30 December 1986	Richmond Post Office, AU	daily high min	31.0 C (87.8 F)	3.2 C (5.8 F)	84 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 1986

Records set or tied on this calendar date in each year from 1799 to 1986. 1986 had 852 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1986-12-30: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	746
20 to 40	23
40 to 60	5
60 to 80	0
80 to 100	1