2 weather records were set or tied worldwide on 21 April 1899. Highest significance: Deniliquin (Wilkinson St), AU.
Key Facts for 21 April 1899
On 21 April 1899, 2 weather records were set or tied at long-record stations worldwide.
1 were record highs and 0 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 2 daily.
Deniliquin (Wilkinson St) set a daily record high maximum temperature of 33.3 C (91.9 F) on 21 April 1899.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 463 records.
Record Map
2 stations
Highest daily maximumHeaviest daily rainfall
2 station records on 21 April 1899 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 April 1899: highest significance records shown on the map
Station
Country
Type
Value
Significance
Deniliquin (Wilkinson St)
Australia
Record high maximum temperature
33.3 C (91.9 F)
17 of 100 (Routine)
Tartu
Estonia
Record daily precipitation
6.6 mm (0.26 in)
5 of 100 (Routine)
Counts by Type and Timescale
2 records
Records set or tied on 21 April 1899 by type: Highest daily maximum 1, Heaviest daily rainfall 1.
Records on 21 April 1899 by type
Record type
Records
Highest daily maximum
1
Lowest daily maximum
0
Highest daily minimum
0
Lowest daily minimum
0
Heaviest daily rainfall
1
Heaviest daily snowfall
0
Deepest snow cover
0
Records on 21 April 1899 by timescale: all-time 0, monthly 0, daily 2.
Records on 21 April 1899 by timescale
Timescale
Records
all-time
0
monthly
0
daily
2
How Much Records Were Beaten By
2 broken records
Margins by which the 2 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.2. Ties are not counted.
Histogram of margins by which records were beaten on 21 April 1899
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 1899
1899
Records set or tied on this calendar date in each year from 1793 to 1899. 1899 had 2 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-21 in each year
Year
Records
1793
1
1814
1
1820
1
1838
1
1849
2
1851
1
1852
3
1854
1
1858
3
1861
2
1865
3
1866
1
1868
1
1870
1
1875
4
1876
2
1877
1
1879
3
1880
1
1881
1
1882
1
1884
1
1885
2
1888
1
1890
1
1891
1
1892
1
1893
2
1894
4
1895
1
1897
1
1898
2
1899
2
1900
7
1901
17
1902
7
1903
3
1904
10
1905
18
1906
5
1907
17
1908
25
1909
20
1910
33
1911
9
1912
22
1913
14
1914
220
1915
24
1916
64
1917
48
1918
84
1919
31
1920
85
1921
59
1922
70
1923
223
1924
119
1925
295
1926
148
1927
284
1928
269
1929
193
1930
127
1931
358
1932
304
1933
201
1934
497
1935
266
1936
277
1937
416
1938
295
1939
110
1940
462
1941
306
1942
285
1943
481
1944
261
1945
367
1946
448
1947
459
1948
365
1949
448
1950
529
1951
884
1952
665
1953
640
1954
527
1955
607
1956
497
1957
824
1958
329
1959
505
1960
889
1961
647
1962
319
1963
778
1964
1,125
1965
658
1966
756
1967
903
1968
655
1969
388
1970
728
1971
546
1972
593
1973
1,163
1974
528
1975
360
1976
452
1977
854
1978
735
1979
449
1980
1,934
1981
944
1982
1,075
1983
1,366
1984
1,231
1985
1,245
1986
977
1987
1,290
1988
898
1989
1,557
1990
1,463
1991
1,291
1992
1,763
1993
847
1994
859
1995
1,476
1996
788
1997
964
1998
876
1999
752
2000
921
2001
967
2002
1,312
2003
607
2004
586
2005
693
2006
761
2007
480
2008
1,327
2009
983
2010
805
2011
1,053
2012
687
2013
1,015
2014
393
2015
621
2016
587
2017
797
2018
862
2019
730
2020
394
2021
1,600
2022
431
2023
885
2024
754
2025
506
Download the Data
Data for records on 1899-04-21: 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.