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Weather Records on 20 December 1903

17 weather records were set or tied worldwide on 20 December 1903. Highest significance: Washington, US.

Key Facts for 20 December 1903

  • On 20 December 1903, 17 weather records were set or tied at long-record stations worldwide.
  • 3 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 17 daily.
  • Washington set a daily record precipitation of 30.2 mm (1.2 in) on 20 December 1903.
  • Across 163 earlier years (1793 to 2025) the same calendar date averaged 470 records.

Record Map

17 stations
Weather records on 20 December 1903 17 station records on 20 December 1903 are marked on the map, coloured by record type.
17 station records on 20 December 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 December 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
WashingtonUnited StatesRecord daily precipitation30.2 mm (1.2 in)26 of 100 (Routine)
Trenton 2United StatesRecord daily precipitation37.3 mm (1.5 in)23 of 100 (Routine)
Moorestown 4 EUnited StatesRecord daily precipitation41.1 mm (1.6 in)21 of 100 (Routine)
Cleveland 2717 EuclidUnited StatesRecord daily precipitation17.0 mm (0.7 in)20 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord daily precipitation30.2 mm (1.2 in)19 of 100 (Routine)
OrilliaCanadaRecord daily snowfall10.2 cm (4.0 in)18 of 100 (Routine)
Port StanleyCanadaRecord daily precipitation18.0 mm (0.7 in)18 of 100 (Routine)
BolognaItalyRecord high minimum temperature8.2 C (46.8 F)18 of 100 (Routine)
WoodstockCanadaRecord daily snowfall7.6 cm (3.0 in)17 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation8.4 mm (0.33 in)12 of 100 (Routine)
ConcordUnited StatesRecord daily precipitation25.9 mm (1.0 in)12 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation10.9 mm (0.4 in)11 of 100 (Routine)
HambantotaSri LankaRecord high maximum temperature32.5 C (90.5 F)9 of 100 (Routine)
Philadelphia CityUnited StatesRecord daily precipitation30.0 mm (1.2 in)9 of 100 (Routine)
Jerilderie (Yanko Station)AustraliaRecord daily precipitation3.3 mm (0.13 in)7 of 100 (Routine)
Fredericton UnbCanadaRecord daily precipitation17.0 mm (0.7 in)6 of 100 (Routine)
Nuwara EliyaSri LankaRecord high maximum temperature21.2 C (70.2 F)4 of 100 (Routine)

Counts by Type and Timescale

17 records
Records on 20 December 1903 by type Records set or tied on 20 December 1903 by type: Highest daily maximum 2, Highest daily minimum 1, Heaviest daily rainfall 12, Heaviest daily snowfall 2. 051015Highest daily maximum: 2Lowest daily maximum: 0Highest daily minimum: 1Lowest daily minimum: 0Heaviest daily rainfall: 12Heaviest daily snowfall: 2Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 December 1903 by type: Highest daily maximum 2, Highest daily minimum 1, Heaviest daily rainfall 12, Heaviest daily snowfall 2.
Records on 20 December 1903 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum0
Highest daily minimum1
Lowest daily minimum0
Heaviest daily rainfall12
Heaviest daily snowfall2
Deepest snow cover0
Records on 20 December 1903 by timescale Records on 20 December 1903 by timescale: all-time 0, monthly 0, daily 17. 05101520all-time: 0monthly: 0daily: 17all-timemonthlydaily
Records on 20 December 1903 by timescale: all-time 0, monthly 0, daily 17.
Records on 20 December 1903 by timescale
TimescaleRecords
all-time0
monthly0
daily17

How Much Records Were Beaten By

17 broken records
Histogram of margins by which records were beaten on 20 December 1903 Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.0. Ties are not counted. 024680 to 5: 85 to 10: 510 to 15: 215 to 20: 020 to 25: 025 to 30: 030 to 35: 035 to 40: 20 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.0. Ties are not counted.
Histogram of margins by which records were beaten on 20 December 1903
MarginRecords
0 to 58
5 to 105
10 to 152
15 to 200
20 to 250
25 to 300
30 to 350
35 to 402

Top 20 by Significance

20 December 1903
Top 17 records on 20 December 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 December 1903Washington, USdaily rain30.2 mm (1.2 in)7.8 mm (0.31 in)46 years26 of 100 (Routine)
20 December 1903Trenton 2, USdaily rain37.3 mm (1.5 in)14.4 mm (0.6 in)34 years23 of 100 (Routine)
20 December 1903Moorestown 4 E, USdaily rain41.1 mm (1.6 in)10.6 mm (0.4 in)30 years21 of 100 (Routine)
20 December 1903Cleveland 2717 Euclid, USdaily rain17.0 mm (0.7 in)9.6 mm (0.38 in)13 years20 of 100 (Routine)
20 December 1903Baltimore Customs House, USdaily rain30.2 mm (1.2 in)8.1 mm (0.32 in)30 years19 of 100 (Routine)
20 December 1903Orillia, CAdaily snowfall10.2 cm (4.0 in)3.8 cm (1.5 in)30 years18 of 100 (Routine)
20 December 1903Port Stanley, CAdaily rain18.0 mm (0.7 in)6.8 mm (0.27 in)13 years18 of 100 (Routine)
20 December 1903Bologna, ITdaily high min8.2 C (46.8 F)1.2 C (2.2 F)22 years18 of 100 (Routine)
20 December 1903Woodstock, CAdaily snowfall7.6 cm (3.0 in)3.8 cm (1.5 in)29 years17 of 100 (Routine)
20 December 1903Portland, USdaily rain8.4 mm (0.33 in)0.3 mm (0.01 in)30 years12 of 100 (Routine)
20 December 1903Concord, USdaily rain25.9 mm (1.0 in)0.5 mm (0.02 in)30 years12 of 100 (Routine)
20 December 1903Toledo Blade, USdaily rain10.9 mm (0.4 in)3.0 mm (0.12 in)13 years11 of 100 (Routine)
20 December 1903Hambantota, LKdaily high max32.5 C (90.5 F)0.6 C (1.1 F)5 years9 of 100 (Routine)
20 December 1903Philadelphia City, USdaily rain30.0 mm (1.2 in)5.4 mm (0.21 in)4 years9 of 100 (Routine)
20 December 1903Jerilderie (Yanko Station), AUdaily rain3.3 mm (0.13 in)0.8 mm (0.03 in)13 years7 of 100 (Routine)
20 December 1903Fredericton Unb, CAdaily rain17.0 mm (0.7 in)1.8 mm (0.07 in)3 years6 of 100 (Routine)
20 December 1903Nuwara Eliya, LKdaily high max21.2 C (70.2 F)0.1 C (0.2 F)3 years4 of 100 (Routine)

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 1903
Records on 12-20 in each year Records set or tied on this calendar date in each year from 1793 to 1903. 1903 had 17 records. 01,0002,0003,0001793: 11795: 11804: 11805: 21808: 11815: 11828: 11837: 11846: 11855: 81858: 11860: 11866: 11867: 11868: 11869: 11871: 21874: 31875: 11877: 21878: 11879: 11880: 11881: 11882: 11884: 41885: 11886: 41889: 41890: 21891: 21892: 11894: 21895: 81896: 11897: 41898: 21899: 11900: 71901: 81902: 141903: 171904: 91905: 51906: 51907: 111908: 51909: 221910: 171911: 241912: 271913: 71914: 431915: 181916: 451917: 331918: 181919: 251920: 221921: 1011922: 881923: 2151924: 3321925: 961926: 1631927: 2001928: 931929: 2561930: 671931: 5361932: 1701933: 4921934: 2651935: 1521936: 4161937: 1811938: 2401939: 3081940: 9651941: 6331942: 8171943: 1931944: 3401945: 4301946: 3271947: 3851948: 3451949: 1,1411950: 7581951: 9261952: 3941953: 3851954: 4161955: 7261956: 4711957: 1,3541958: 3821959: 1421960: 3541961: 3691962: 4751963: 8751964: 4991965: 3531966: 5551967: 1,3701968: 4821969: 5141970: 5181971: 4411972: 4481973: 1,1841974: 3281975: 6101976: 3821977: 4841978: 9101979: 6001980: 6671981: 1,6811982: 7121983: 2,9951984: 1,4111985: 1,0351986: 3211987: 1,1791988: 7601989: 1,8121990: 1,8851991: 1,1721992: 1,1341993: 1,2661994: 8131995: 1,1281996: 1,4481997: 6511998: 1,1101999: 9382000: 1,1502001: 5232002: 9432003: 1,3152004: 8362005: 5152006: 1,3872007: 9862008: 1,3562009: 1,5022010: 2,0552011: 8462012: 1,1312013: 5842014: 5242015: 1,2382016: 6032017: 6882018: 5922019: 7312020: 5542021: 4422022: 5672023: 1,2422024: 8972025: 1,1661793187418961913193019471964198119982015
Records set or tied on this calendar date in each year from 1793 to 1903. 1903 had 17 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-20 in each year
YearRecords
17931
17951
18041
18052
18081
18151
18281
18371
18461
18558
18581
18601
18661
18671
18681
18691
18712
18743
18751
18772
18781
18791
18801
18811
18821
18844
18851
18864
18894
18902
18912
18921
18942
18958
18961
18974
18982
18991
19007
19018
190214
190317
19049
19055
19065
190711
19085
190922
191017
191124
191227
19137
191443
191518
191645
191733
191818
191925
192022
1921101
192288
1923215
1924332
192596
1926163
1927200
192893
1929256
193067
1931536
1932170
1933492
1934265
1935152
1936416
1937181
1938240
1939308
1940965
1941633
1942817
1943193
1944340
1945430
1946327
1947385
1948345
19491,141
1950758
1951926
1952394
1953385
1954416
1955726
1956471
19571,354
1958382
1959142
1960354
1961369
1962475
1963875
1964499
1965353
1966555
19671,370
1968482
1969514
1970518
1971441
1972448
19731,184
1974328
1975610
1976382
1977484
1978910
1979600
1980667
19811,681
1982712
19832,995
19841,411
19851,035
1986321
19871,179
1988760
19891,812
19901,885
19911,172
19921,134
19931,266
1994813
19951,128
19961,448
1997651
19981,110
1999938
20001,150
2001523
2002943
20031,315
2004836
2005515
20061,387
2007986
20081,356
20091,502
20102,055
2011846
20121,131
2013584
2014524
20151,238
2016603
2017688
2018592
2019731
2020554
2021442
2022567
20231,242
2024897
20251,166

Download the Data

  • Data for records on 1903-12-20: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).