11 station records on 21 January 1910 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 January 1910: highest significance records shown on the map
Station
Country
Type
Value
Significance
Zagreb-Gric
Croatia
Record daily precipitation
14.6 mm (0.6 in)
20 of 100 (Routine)
Visby_Flygplats
Sweden
Record daily precipitation
12.5 mm (0.5 in)
20 of 100 (Routine)
Munchen-Nymphenburg
Germany
Record daily precipitation
12.4 mm (0.5 in)
18 of 100 (Routine)
Chattanooga Wb City
United States
Record daily snowfall
1.3 cm (0.5 in)
13 of 100 (Routine)
San Diego Wbo
United States
Record high maximum temperature
23.9 C (75.0 F)
11 of 100 (Routine)
Parry Sound
Canada
Record daily precipitation
18.3 mm (0.7 in)
8 of 100 (Routine)
Camden 3 W
United States
Record daily precipitation
16.0 mm (0.6 in)
8 of 100 (Routine)
Anticosti SW Point
Canada
Record high maximum temperature
4.4 C (39.9 F)
6 of 100 (Routine)
Riva
Italy
Record high minimum temperature
6.1 C (43.0 F)
6 of 100 (Routine)
Peterborough
Canada
Record high minimum temperature
0.6 C (33.1 F)
2 of 100 (Routine)
Stonecliffe
Canada
Record high maximum temperature
5.0 C (41.0 F)
1 of 100 (Routine)
Counts by Type and Timescale
11 records
Records set or tied on 21 January 1910 by type: Highest daily maximum 3, Highest daily minimum 2, Heaviest daily rainfall 5, Heaviest daily snowfall 1.
Records on 21 January 1910 by type
Record type
Records
Highest daily maximum
3
Lowest daily maximum
0
Highest daily minimum
2
Lowest daily minimum
0
Heaviest daily rainfall
5
Heaviest daily snowfall
1
Deepest snow cover
0
Records on 21 January 1910 by timescale: all-time 0, monthly 0, daily 11.
Records on 21 January 1910 by timescale
Timescale
Records
all-time
0
monthly
0
daily
11
How Much Records Were Beaten By
9 broken records
Margins by which the 9 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 January 1910
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 1910
1910
Records set or tied on this calendar date in each year from 1793 to 1910. 1910 had 11 records.
Counts for years before the ledger starts come from the same station rules.
Records on 01-21 in each year
Year
Records
1793
1
1795
2
1796
1
1798
1
1800
2
1803
1
1804
2
1829
1
1838
3
1840
2
1845
2
1846
1
1850
2
1864
2
1866
4
1867
1
1869
1
1871
1
1873
2
1876
1
1878
4
1880
3
1881
4
1884
1
1885
1
1886
1
1888
3
1890
2
1891
3
1892
2
1893
1
1894
3
1895
2
1896
2
1897
3
1898
3
1899
15
1900
5
1901
4
1902
8
1903
18
1904
30
1905
3
1906
53
1907
10
1908
11
1909
25
1910
11
1911
8
1912
7
1913
23
1914
37
1915
47
1916
38
1917
83
1918
49
1919
14
1920
75
1921
54
1922
35
1923
62
1924
535
1925
103
1926
157
1927
447
1928
206
1929
132
1930
616
1931
112
1932
167
1933
572
1934
255
1935
771
1936
314
1937
852
1938
250
1939
305
1940
562
1941
205
1942
522
1943
1,168
1944
324
1945
290
1946
339
1947
205
1948
387
1949
452
1950
643
1951
367
1952
436
1953
325
1954
1,094
1955
399
1956
653
1957
527
1958
506
1959
936
1960
319
1961
746
1962
741
1963
761
1964
771
1965
251
1966
636
1967
511
1968
1,179
1969
927
1970
1,770
1971
672
1972
598
1973
573
1974
992
1975
496
1976
860
1977
549
1978
1,301
1979
1,675
1980
425
1981
972
1982
1,339
1983
1,179
1984
2,132
1985
2,457
1986
883
1987
934
1988
771
1989
511
1990
927
1991
559
1992
447
1993
1,763
1994
1,195
1995
1,276
1996
528
1997
950
1998
606
1999
1,387
2000
686
2001
736
2002
796
2003
690
2004
535
2005
1,111
2006
1,116
2007
1,955
2008
1,061
2009
788
2010
1,166
2011
836
2012
1,148
2013
455
2014
522
2015
426
2016
580
2017
1,248
2018
663
2019
525
2020
894
2021
625
2022
429
2023
516
2024
1,015
2025
1,387
Download the Data
Data for records on 1910-01-21: 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.