2 weather records were set or tied worldwide on 21 August 1884. Highest significance: Oxford, GB.
Key Facts for 21 August 1884
On 21 August 1884, 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.
Oxford set a daily record high maximum temperature of 27.1 C (80.8 F) on 21 August 1884.
Across 164 earlier years (1800 to 2025) the same calendar date averaged 447 records.
Record Map
2 stations
Highest daily maximumHeaviest daily rainfall
2 station records on 21 August 1884 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 August 1884: highest significance records shown on the map
Station
Country
Type
Value
Significance
Oxford
United Kingdom
Record high maximum temperature
27.1 C (80.8 F)
26 of 100 (Routine)
Bologna
Italy
Record daily precipitation
23.1 mm (0.9 in)
12 of 100 (Routine)
Counts by Type and Timescale
2 records
Records set or tied on 21 August 1884 by type: Highest daily maximum 1, Heaviest daily rainfall 1.
Records on 21 August 1884 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 August 1884 by timescale: all-time 0, monthly 0, daily 2.
Records on 21 August 1884 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 1.1. Ties are not counted.
Histogram of margins by which records were beaten on 21 August 1884
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
1800 to 1884
1884
Records set or tied on this calendar date in each year from 1800 to 1884. 1884 had 2 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-21 in each year
Year
Records
1800
1
1802
1
1804
1
1807
1
1816
1
1818
1
1832
1
1834
1
1839
3
1843
1
1847
1
1849
3
1850
1
1851
2
1863
1
1866
1
1867
2
1870
3
1871
2
1872
1
1873
1
1876
1
1877
2
1879
2
1884
2
1885
5
1886
1
1887
5
1888
2
1889
3
1890
4
1891
2
1893
4
1894
8
1895
3
1896
2
1897
4
1898
4
1899
7
1900
4
1901
9
1902
8
1903
6
1904
8
1905
4
1906
22
1907
20
1908
13
1909
17
1910
33
1911
19
1912
50
1913
37
1914
24
1915
21
1916
106
1917
101
1918
202
1919
19
1920
59
1921
34
1922
58
1923
111
1924
135
1925
220
1926
227
1927
228
1928
110
1929
234
1930
297
1931
277
1932
264
1933
328
1934
320
1935
318
1936
807
1937
762
1938
239
1939
630
1940
683
1941
180
1942
415
1943
438
1944
346
1945
544
1946
390
1947
954
1948
305
1949
508
1950
958
1951
699
1952
368
1953
331
1954
497
1955
885
1956
701
1957
490
1958
389
1959
704
1960
490
1961
644
1962
469
1963
338
1964
794
1965
455
1966
661
1967
541
1968
1,014
1969
650
1970
373
1971
660
1972
441
1973
438
1974
564
1975
545
1976
756
1977
764
1978
445
1979
778
1980
904
1981
1,015
1982
769
1983
1,407
1984
975
1985
623
1986
1,166
1987
740
1988
889
1989
828
1990
910
1991
828
1992
957
1993
698
1994
968
1995
962
1996
950
1997
1,291
1998
948
1999
717
2000
861
2001
797
2002
965
2003
1,241
2004
1,585
2005
1,071
2006
797
2007
1,829
2008
1,012
2009
1,319
2010
1,155
2011
1,022
2012
990
2013
513
2014
624
2015
651
2016
890
2017
347
2018
814
2019
625
2020
1,140
2021
760
2022
913
2023
1,814
2024
777
2025
1,232
Download the Data
Data for records on 1884-08-21: 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.