5 station records on 21 September 1902 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 September 1902: highest significance records shown on the map
Station
Country
Type
Value
Significance
Oxford
United Kingdom
Record high maximum temperature
21.8 C (71.2 F)
34 of 100 (Routine)
Wien
Austria
Record low minimum temperature
5.3 C (41.5 F)
18 of 100 (Routine)
Galway
Ireland
Record daily precipitation
22.9 mm (0.9 in)
13 of 100 (Routine)
Uppsala_Aut
Sweden
Record low minimum temperature
-3.8 C (25.2 F)
8 of 100 (Routine)
Kingston Queens U
Canada
Record high maximum temperature
25.0 C (77.0 F)
1 of 100 (Routine)
Counts by Type and Timescale
5 records
Records set or tied on 21 September 1902 by type: Highest daily maximum 2, Lowest daily minimum 2, Heaviest daily rainfall 1.
Records on 21 September 1902 by type
Record type
Records
Highest daily maximum
2
Lowest daily maximum
0
Highest daily minimum
0
Lowest daily minimum
2
Heaviest daily rainfall
1
Heaviest daily snowfall
0
Deepest snow cover
0
Records on 21 September 1902 by timescale: all-time 0, monthly 0, daily 5.
Records on 21 September 1902 by timescale
Timescale
Records
all-time
0
monthly
0
daily
5
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 2.3. Ties are not counted.
Histogram of margins by which records were beaten on 21 September 1902
Margin
Records
0.0 to 0.5
2
0.5 to 1.0
1
1.0 to 1.5
0
1.5 to 2.0
0
2.0 to 2.5
1
Top 20 by Significance
21 September 1902
Top 5 records on 21 September 1902 by significance
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
1805 to 1902
1902
Records set or tied on this calendar date in each year from 1805 to 1902. 1902 had 5 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-21 in each year
Year
Records
1805
1
1812
1
1825
2
1840
1
1841
1
1842
1
1848
1
1854
1
1856
2
1868
1
1872
2
1873
1
1877
1
1878
1
1881
1
1882
1
1884
1
1886
1
1888
2
1889
1
1891
10
1892
1
1893
10
1894
2
1895
3
1896
2
1897
6
1898
6
1899
3
1900
2
1901
5
1902
5
1903
8
1904
20
1905
12
1906
17
1907
10
1908
17
1909
10
1910
8
1911
18
1912
26
1913
37
1914
29
1915
34
1916
48
1917
28
1918
43
1919
54
1920
29
1921
64
1922
35
1923
232
1924
291
1925
278
1926
178
1927
165
1928
81
1929
232
1930
82
1931
681
1932
242
1933
193
1934
492
1935
199
1936
329
1937
487
1938
508
1939
308
1940
908
1941
416
1942
291
1943
407
1944
413
1945
507
1946
176
1947
534
1948
301
1949
298
1950
334
1951
241
1952
430
1953
382
1954
453
1955
752
1956
1,100
1957
366
1958
588
1959
513
1960
418
1961
441
1962
1,085
1963
306
1964
374
1965
1,088
1966
565
1967
577
1968
790
1969
593
1970
708
1971
645
1972
599
1973
421
1974
652
1975
528
1976
694
1977
918
1978
818
1979
736
1980
990
1981
696
1982
1,484
1983
2,207
1984
707
1985
796
1986
671
1987
965
1988
557
1989
1,002
1990
716
1991
1,021
1992
752
1993
911
1994
713
1995
2,002
1996
1,233
1997
1,112
1998
1,481
1999
1,025
2000
884
2001
718
2002
696
2003
959
2004
888
2005
1,143
2006
920
2007
742
2008
740
2009
715
2010
1,290
2011
542
2012
595
2013
769
2014
716
2015
565
2016
989
2017
1,178
2018
1,044
2019
830
2020
579
2021
464
2022
1,047
2023
782
2024
470
2025
591
Download the Data
Data for records on 1902-09-21: 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.