6 station records on 21 June 1900 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 June 1900: highest significance records shown on the map
Station
Country
Type
Value
Significance
Brisbane Regional Office
Australia
Record daily precipitation
24.4 mm (1.0 in)
20 of 100 (Routine)
Hoofddorp
Netherlands
Record daily precipitation
21.2 mm (0.8 in)
20 of 100 (Routine)
Dublin Phoenix Park
Ireland
Record low maximum temperature
12.7 C (54.9 F)
11 of 100 (Routine)
Madison Wb City
United States
Record daily precipitation
34.5 mm (1.4 in)
8 of 100 (Routine)
Uppsala_Aut
Sweden
Record low minimum temperature
3.0 C (37.4 F)
4 of 100 (Routine)
Bathurst Gaol
Australia
Record high minimum temperature
7.2 C (45.0 F)
1 of 100 (Routine)
Counts by Type and Timescale
6 records
Records set or tied on 21 June 1900 by type: Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 1, Heaviest daily rainfall 3.
Records on 21 June 1900 by type
Record type
Records
Highest daily maximum
0
Lowest daily maximum
1
Highest daily minimum
1
Lowest daily minimum
1
Heaviest daily rainfall
3
Heaviest daily snowfall
0
Deepest snow cover
0
Records on 21 June 1900 by timescale: all-time 0, monthly 0, daily 6.
Records on 21 June 1900 by timescale
Timescale
Records
all-time
0
monthly
0
daily
6
How Much Records Were Beaten By
4 broken records
Margins by which the 4 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.7. Ties are not counted.
Histogram of margins by which records were beaten on 21 June 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
1802 to 1900
1900
Records set or tied on this calendar date in each year from 1802 to 1900. 1900 had 6 records.
Counts for years before the ledger starts come from the same station rules.
Records on 06-21 in each year
Year
Records
1802
1
1803
2
1805
1
1814
1
1821
3
1828
1
1831
1
1839
2
1846
1
1853
1
1855
1
1861
3
1865
1
1868
1
1869
4
1870
3
1871
1
1873
1
1874
1
1875
2
1879
1
1880
1
1881
1
1882
1
1883
1
1884
2
1885
1
1886
3
1887
1
1888
3
1889
1
1891
1
1892
2
1893
7
1895
6
1896
3
1897
3
1898
6
1899
6
1900
6
1901
5
1902
20
1903
15
1904
7
1905
14
1906
19
1907
15
1908
20
1909
19
1910
36
1911
12
1912
14
1913
34
1914
24
1915
40
1916
80
1917
97
1918
77
1919
32
1920
42
1921
85
1922
43
1923
229
1924
124
1925
333
1926
162
1927
146
1928
139
1929
84
1930
177
1931
340
1932
180
1933
645
1934
223
1935
247
1936
642
1937
475
1938
396
1939
250
1940
674
1941
401
1942
340
1943
439
1944
426
1945
709
1946
386
1947
637
1948
392
1949
391
1950
329
1951
347
1952
502
1953
761
1954
501
1955
271
1956
534
1957
932
1958
627
1959
356
1960
471
1961
956
1962
176
1963
667
1964
458
1965
400
1966
467
1967
789
1968
654
1969
687
1970
614
1971
394
1972
934
1973
683
1974
598
1975
996
1976
746
1977
476
1978
368
1979
857
1980
677
1981
889
1982
658
1983
752
1984
913
1985
516
1986
601
1987
940
1988
1,834
1989
856
1990
847
1991
1,067
1992
1,679
1993
939
1994
777
1995
978
1996
1,075
1997
1,037
1998
1,746
1999
994
2000
1,212
2001
658
2002
828
2003
1,034
2004
697
2005
1,090
2006
774
2007
1,085
2008
580
2009
1,060
2010
852
2011
1,340
2012
1,151
2013
571
2014
434
2015
707
2016
877
2017
954
2018
573
2019
956
2020
516
2021
1,133
2022
771
2023
987
2024
679
2025
1,535
Download the Data
Data for records on 1900-06-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.