8 station records on 21 December 1900 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 December 1900: highest significance records shown on the map
Station
Country
Type
Value
Significance
Uppsala_Aut
Sweden
Record high minimum temperature
4.0 C (39.2 F)
26 of 100 (Routine)
Vineland
United States
Record daily snowfall
16.5 cm (6.5 in)
23 of 100 (Routine)
Jonkoping
Sweden
Record daily precipitation
6.3 mm (0.25 in)
20 of 100 (Routine)
Putbus
Germany
Record high maximum temperature
7.8 C (46.0 F)
17 of 100 (Routine)
Maitland West
Australia
Record daily precipitation
24.9 mm (1.0 in)
13 of 100 (Routine)
Haparanda
Sweden
Record daily precipitation
7.9 mm (0.31 in)
11 of 100 (Routine)
Newcastle Nobbys Signal Statio
Australia
Record daily precipitation
33.0 mm (1.3 in)
9 of 100 (Routine)
Moorestown 4 E
United States
Record daily snowfall
10.2 cm (4.0 in)
3 of 100 (Routine)
Counts by Type and Timescale
8 records
Records set or tied on 21 December 1900 by type: Highest daily maximum 1, Highest daily minimum 1, Heaviest daily rainfall 4, Heaviest daily snowfall 2.
Records on 21 December 1900 by type
Record type
Records
Highest daily maximum
1
Lowest daily maximum
0
Highest daily minimum
1
Lowest daily minimum
0
Heaviest daily rainfall
4
Heaviest daily snowfall
2
Deepest snow cover
0
Records on 21 December 1900 by timescale: all-time 0, monthly 1, daily 7.
Records on 21 December 1900 by timescale
Timescale
Records
all-time
0
monthly
1
daily
7
How Much Records Were Beaten By
7 broken records
Margins by which the 7 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 13.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 December 1900
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
1793 to 1900
1900
Records set or tied on this calendar date in each year from 1793 to 1900. 1900 had 8 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-21 in each year
Year
Records
1793
1
1794
1
1799
1
1801
2
1808
3
1825
1
1828
1
1839
1
1846
1
1850
1
1855
7
1859
1
1860
1
1868
1
1870
1
1871
2
1874
2
1875
3
1876
1
1877
1
1878
1
1879
1
1880
1
1884
1
1886
3
1889
1
1890
4
1893
4
1894
1
1895
5
1896
3
1897
3
1898
1
1900
8
1901
15
1902
5
1903
25
1904
3
1905
15
1906
15
1907
17
1908
19
1909
20
1910
29
1911
36
1912
23
1913
11
1914
107
1915
43
1916
40
1917
18
1918
41
1919
57
1920
30
1921
104
1922
34
1923
323
1924
377
1925
120
1926
178
1927
147
1928
70
1929
156
1930
66
1931
556
1932
150
1933
581
1934
230
1935
398
1936
323
1937
189
1938
145
1939
140
1940
622
1941
651
1942
968
1943
148
1944
762
1945
396
1946
495
1947
700
1948
297
1949
1,281
1950
504
1951
1,061
1952
197
1953
256
1954
444
1955
888
1956
672
1957
846
1958
516
1959
272
1960
585
1961
254
1962
563
1963
1,137
1964
613
1965
247
1966
400
1967
1,923
1968
818
1969
828
1970
547
1971
680
1972
651
1973
1,292
1974
374
1975
548
1976
446
1977
470
1978
517
1979
558
1980
726
1981
1,476
1982
702
1983
3,324
1984
1,012
1985
979
1986
404
1987
775
1988
717
1989
3,203
1990
2,701
1991
1,125
1992
751
1993
967
1994
793
1995
878
1996
1,114
1997
810
1998
1,142
1999
851
2000
944
2001
650
2002
579
2003
1,103
2004
675
2005
606
2006
1,443
2007
946
2008
1,062
2009
1,097
2010
2,039
2011
653
2012
759
2013
1,029
2014
878
2015
1,173
2016
543
2017
459
2018
738
2019
752
2020
963
2021
323
2022
528
2023
1,166
2024
779
2025
1,100
Download the Data
Data for records on 1900-12-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.