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Weather Records on 31 August 1903

16 weather records were set or tied worldwide on 31 August 1903. Highest significance: Adelaide West Terrace, AU.

Key Facts for 31 August 1903

  • On 31 August 1903, 16 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 15 daily.
  • Adelaide West Terrace set a daily record precipitation of 36.6 mm (1.4 in) on 31 August 1903.
  • Across 165 earlier years (1796 to 2026) the same calendar date averaged 438 records.

Record Map

16 stations
Weather records on 31 August 1903 16 station records on 31 August 1903 are marked on the map, coloured by record type.
16 station records on 31 August 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 August 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
Adelaide West TerraceAustraliaRecord daily precipitation36.6 mm (1.4 in)49 of 100 (Notable)
HalifaxCanadaRecord daily precipitation67.8 mm (2.7 in)28 of 100 (Routine)
Newark Liberty Intl APUnited StatesRecord low maximum temperature17.8 C (64.0 F)24 of 100 (Routine)
Trenton 2United StatesRecord low maximum temperature17.8 C (64.0 F)23 of 100 (Routine)
Swan Hill (Murray Downs)AustraliaRecord daily precipitation17.8 mm (0.7 in)20 of 100 (Routine)
Clare Post OfficeAustraliaRecord daily precipitation29.0 mm (1.1 in)15 of 100 (Routine)
Kingston Queens UCanadaRecord low maximum temperature17.8 C (64.0 F)15 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord low maximum temperature19.4 C (66.9 F)15 of 100 (Routine)
Ny City Cntrl ParkUnited StatesRecord low maximum temperature18.3 C (64.9 F)13 of 100 (Routine)
VanersborgSwedenRecord daily precipitation18.2 mm (0.7 in)12 of 100 (Routine)
WashingtonUnited StatesRecord low maximum temperature20.0 C (68.0 F)12 of 100 (Routine)
World Trade CtrUnited StatesRecord low maximum temperature17.8 C (64.0 F)11 of 100 (Routine)
Port MorienCanadaRecord daily precipitation38.9 mm (1.5 in)10 of 100 (Routine)
Ilulissat (Jakobshavn)Greenland [Denmark]Record low minimum temperature-3.0 C (26.6 F)9 of 100 (Routine)
Montreal McGillCanadaRecord low maximum temperature15.6 C (60.1 F)7 of 100 (Routine)
HalifaxCanadaRecord low maximum temperature15.6 C (60.1 F)7 of 100 (Routine)

Counts by Type and Timescale

16 records
Records on 31 August 1903 by type Records set or tied on 31 August 1903 by type: Lowest daily maximum 9, Lowest daily minimum 1, Heaviest daily rainfall 6. 035810Highest daily maximum: 0Lowest daily maximum: 9Highest daily minimum: 0Lowest daily minimum: 1Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 August 1903 by type: Lowest daily maximum 9, Lowest daily minimum 1, Heaviest daily rainfall 6.
Records on 31 August 1903 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum9
Highest daily minimum0
Lowest daily minimum1
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 August 1903 by timescale Records on 31 August 1903 by timescale: all-time 0, monthly 1, daily 15. 051015all-time: 0monthly: 1daily: 15all-timemonthlydaily
Records on 31 August 1903 by timescale: all-time 0, monthly 1, daily 15.
Records on 31 August 1903 by timescale
TimescaleRecords
all-time0
monthly1
daily15

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 31 August 1903 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.3. Ties are not counted. 0510150 to 3: 113 to 5: 25 to 8: 08 to 10: 010 to 13: 013 to 15: 215 to 18: 018 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 18.3. Ties are not counted.
Histogram of margins by which records were beaten on 31 August 1903
MarginRecords
0 to 311
3 to 52
5 to 80
8 to 100
10 to 130
13 to 152
15 to 180
18 to 201

Top 20 by Significance

31 August 1903
Top 16 records on 31 August 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 August 1903Adelaide West Terrace, AUdaily rain36.6 mm (1.4 in)18.3 mm (0.7 in)13 years49 of 100 (Notable)
31 August 1903Halifax, CAmonthly rain67.8 mm (2.7 in)12.7 mm (0.5 in)16 years28 of 100 (Routine)
31 August 1903Newark Liberty Intl AP, USdaily low max17.8 C (64.0 F)1.6 C (2.9 F)47 years24 of 100 (Routine)
31 August 1903Trenton 2, USdaily low max17.8 C (64.0 F)3.3 C (5.9 F)33 years23 of 100 (Routine)
31 August 1903Swan Hill (Murray Downs), AUdaily rain17.8 mm (0.7 in)14.0 mm (0.6 in)25 years20 of 100 (Routine)
31 August 1903Clare Post Office, AUdaily rain29.0 mm (1.1 in)2.3 mm (0.09 in)27 years15 of 100 (Routine)
31 August 1903Kingston Queens U, CAdaily low max17.8 C (64.0 F)1.1 C (2.0 F)30 years15 of 100 (Routine)
31 August 1903Baltimore Customs House, USdaily low max19.4 C (66.9 F)2.3 C (4.1 F)22 years15 of 100 (Routine)
31 August 1903Ny City Cntrl Park, USdaily low max18.3 C (64.9 F)0.6 C (1.1 F)30 years13 of 100 (Routine)
31 August 1903Vanersborg, SEdaily rain18.2 mm (0.7 in)0.9 mm (0.04 in)23 years12 of 100 (Routine)
31 August 1903Washington, USdaily low max20.0 C (68.0 F)0.6 C (1.1 F)22 years12 of 100 (Routine)
31 August 1903World Trade Ctr, USdaily low max17.8 C (64.0 F)1.6 C (2.9 F)11 years11 of 100 (Routine)
31 August 1903Port Morien, CAdaily rain38.9 mm (1.5 in)2.8 mm (0.11 in)16 years10 of 100 (Routine)
31 August 1903Ilulissat (Jakobshavn), GLdaily low min-3.0 C (26.6 F)0.6 C (1.1 F)14 years9 of 100 (Routine)
31 August 1903Montreal McGill, CAdaily low max15.6 C (60.1 F)0.5 C (0.9 F)12 years7 of 100 (Routine)
31 August 1903Halifax, CAdaily low max15.6 C (60.1 F)0.5 C (0.9 F)11 years7 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

1796 to 1903
Records on 08-31 in each year Records set or tied on this calendar date in each year from 1796 to 1903. 1903 had 16 records. 05001,0001,5002,0001796: 11806: 11807: 21813: 11814: 11816: 11827: 11836: 11846: 11849: 11851: 11856: 21858: 11859: 11860: 11861: 11863: 11867: 11869: 11873: 11875: 11876: 11877: 21879: 21881: 31882: 21885: 11886: 51887: 11889: 11890: 21892: 31893: 11894: 11895: 11896: 11897: 51898: 101899: 41900: 31901: 51902: 51903: 161904: 131905: 81906: 471907: 61908: 121909: 391910: 201911: 311912: 341913: 401914: 231915: 711916: 71917: 601918: 581919: 251920: 461921: 861922: 581923: 631924: 2321925: 1111926: 1481927: 1031928: 2011929: 3001930: 2431931: 1921932: 8071933: 4241934: 3811935: 5401936: 2261937: 5081938: 3241939: 2961940: 4001941: 5281942: 4221943: 6501944: 6381945: 5721946: 5451947: 4731948: 3671949: 4091950: 6621951: 9101952: 3881953: 1,0541954: 6331955: 5391956: 7341957: 3171958: 4171959: 4961960: 3661961: 6251962: 4321963: 4151964: 5911965: 8861966: 8301967: 9521968: 5621969: 4741970: 5581971: 3261972: 2871973: 7931974: 5871975: 6581976: 7321977: 6211978: 8911979: 4001980: 7011981: 6921982: 5861983: 7881984: 8661985: 8541986: 1,2181987: 8361988: 5701989: 6221990: 9661991: 8481992: 1,2741993: 1,2861994: 1,1391995: 1,0771996: 1,4511997: 9431998: 1,1631999: 9882000: 1,5452001: 9442002: 8522003: 1,2322004: 9632005: 1,7822006: 1,1472007: 1,1102008: 8702009: 1,2242010: 1,4902011: 9942012: 9322013: 7712014: 4582015: 1,0742016: 5992017: 5962018: 3662019: 7812020: 7372021: 5532022: 1,1912023: 6002024: 7662025: 3072026: 5951796186718951912192919461963198019972014
Records set or tied on this calendar date in each year from 1796 to 1903. 1903 had 16 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-31 in each year
YearRecords
17961
18061
18072
18131
18141
18161
18271
18361
18461
18491
18511
18562
18581
18591
18601
18611
18631
18671
18691
18731
18751
18761
18772
18792
18813
18822
18851
18865
18871
18891
18902
18923
18931
18941
18951
18961
18975
189810
18994
19003
19015
19025
190316
190413
19058
190647
19076
190812
190939
191020
191131
191234
191340
191423
191571
19167
191760
191858
191925
192046
192186
192258
192363
1924232
1925111
1926148
1927103
1928201
1929300
1930243
1931192
1932807
1933424
1934381
1935540
1936226
1937508
1938324
1939296
1940400
1941528
1942422
1943650
1944638
1945572
1946545
1947473
1948367
1949409
1950662
1951910
1952388
19531,054
1954633
1955539
1956734
1957317
1958417
1959496
1960366
1961625
1962432
1963415
1964591
1965886
1966830
1967952
1968562
1969474
1970558
1971326
1972287
1973793
1974587
1975658
1976732
1977621
1978891
1979400
1980701
1981692
1982586
1983788
1984866
1985854
19861,218
1987836
1988570
1989622
1990966
1991848
19921,274
19931,286
19941,139
19951,077
19961,451
1997943
19981,163
1999988
20001,545
2001944
2002852
20031,232
2004963
20051,782
20061,147
20071,110
2008870
20091,224
20101,490
2011994
2012932
2013771
2014458
20151,074
2016599
2017596
2018366
2019781
2020737
2021553
20221,191
2023600
2024766
2025307
2026595

Download the Data

  • Data for records on 1903-08-31: 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).