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Weather Records on 31 May 1903

17 weather records were set or tied worldwide on 31 May 1903. Highest significance: Grafton City Council, AU.

Key Facts for 31 May 1903

  • On 31 May 1903, 17 weather records were set or tied at long-record stations worldwide.
  • 6 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 16 daily.
  • Grafton City Council set a monthly record daily precipitation of 86.4 mm (3.4 in) on 31 May 1903.
  • Across 161 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

17 stations
Weather records on 31 May 1903 17 station records on 31 May 1903 are marked on the map, coloured by record type.
17 station records on 31 May 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 May 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
Grafton City CouncilAustraliaRecord daily precipitation86.4 mm (3.4 in)33 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord daily precipitation108.2 mm (4.3 in)29 of 100 (Routine)
UccleBelgiumRecord high maximum temperature29.7 C (85.5 F)26 of 100 (Routine)
Wollongong Post OfficeAustraliaRecord daily precipitation52.3 mm (2.1 in)21 of 100 (Routine)
WashingtonUnited StatesRecord low maximum temperature16.7 C (62.1 F)21 of 100 (Routine)
VastervikSwedenRecord daily precipitation22.6 mm (0.9 in)20 of 100 (Routine)
TranebjergDenmarkRecord high minimum temperature14.2 C (57.6 F)19 of 100 (Routine)
Cordeaux RiverAustraliaRecord daily precipitation62.5 mm (2.5 in)17 of 100 (Routine)
Leipzig-HolzhausenGermanyRecord high maximum temperature29.7 C (85.5 F)14 of 100 (Routine)
UccleBelgiumRecord high minimum temperature15.8 C (60.4 F)11 of 100 (Routine)
Fort SillUnited StatesRecord low maximum temperature20.0 C (68.0 F)9 of 100 (Routine)
PutbusGermanyRecord high maximum temperature27.6 C (81.7 F)8 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord low maximum temperature16.7 C (62.1 F)5 of 100 (Routine)
TruroCanadaRecord low minimum temperature-0.6 C (30.9 F)4 of 100 (Routine)
Kingston Queens UCanadaRecord low minimum temperature4.4 C (39.9 F)2 of 100 (Routine)
ChathamCanadaRecord low maximum temperature12.8 C (55.0 F)1 of 100 (Routine)
GalwayIrelandRecord high minimum temperature13.3 C (55.9 F)1 of 100 (Routine)

Counts by Type and Timescale

17 records
Records on 31 May 1903 by type Records set or tied on 31 May 1903 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 5. 0246Highest daily maximum: 3Lowest daily maximum: 4Highest daily minimum: 3Lowest daily minimum: 2Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 May 1903 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 5.
Records on 31 May 1903 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum4
Highest daily minimum3
Lowest daily minimum2
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 May 1903 by timescale Records on 31 May 1903 by timescale: all-time 0, monthly 1, daily 16. 05101520all-time: 0monthly: 1daily: 16all-timemonthlydaily
Records on 31 May 1903 by timescale: all-time 0, monthly 1, daily 16.
Records on 31 May 1903 by timescale
TimescaleRecords
all-time0
monthly1
daily16

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 31 May 1903 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.0. Ties are not counted. 0358100 to 5: 95 to 10: 010 to 15: 115 to 20: 120 to 25: 025 to 30: 130 to 35: 20 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.0. Ties are not counted.
Histogram of margins by which records were beaten on 31 May 1903
MarginRecords
0 to 59
5 to 100
10 to 151
15 to 201
20 to 250
25 to 301
30 to 352

Top 20 by Significance

31 May 1903
Top 17 records on 31 May 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 May 1903Grafton City Council, AUmonthly rain86.4 mm (3.4 in)17.1 mm (0.7 in)20 years33 of 100 (Routine)
31 May 1903Brisbane Regional Office, AUdaily rain108.2 mm (4.3 in)30.7 mm (1.2 in)15 years29 of 100 (Routine)
31 May 1903Uccle, BEdaily high max29.7 C (85.5 F)1.7 C (3.1 F)53 years26 of 100 (Routine)
31 May 1903Wollongong Post Office, AUdaily rain52.3 mm (2.1 in)25.9 mm (1.0 in)21 years21 of 100 (Routine)
31 May 1903Washington, USdaily low max16.7 C (62.1 F)1.6 C (2.9 F)44 years21 of 100 (Routine)
31 May 1903Vastervik, SEdaily rain22.6 mm (0.9 in)14.3 mm (0.6 in)9 years20 of 100 (Routine)
31 May 1903Tranebjerg, DKdaily high min14.2 C (57.6 F)3.1 C (5.6 F)19 years19 of 100 (Routine)
31 May 1903Cordeaux River, AUdaily rain62.5 mm (2.5 in)33.0 mm (1.3 in)5 years17 of 100 (Routine)
31 May 1903Leipzig-Holzhausen, DEdaily high max29.7 C (85.5 F)0.2 C (0.4 F)35 years14 of 100 (Routine)
31 May 1903Uccle, BEdaily high min15.8 C (60.4 F)0.7 C (1.3 F)7 years11 of 100 (Routine)
31 May 1903Fort Sill, USdaily low max20.0 C (68.0 F)2.8 C (5.0 F)1 year9 of 100 (Routine)
31 May 1903Putbus, DEdaily high max27.6 C (81.7 F)1.8 C (3.2 F)0 years8 of 100 (Routine)
31 May 1903Baltimore Customs House, USdaily low max16.7 C (62.1 F)1.1 C (2.0 F)1 year5 of 100 (Routine)
31 May 1903Truro, CAdaily low min-0.6 C (30.9 F)0.6 C (1.1 F)0 years4 of 100 (Routine)
31 May 1903Kingston Queens U, CAdaily low min (Tie)4.4 C (39.9 F)tie29 years2 of 100 (Routine)
31 May 1903Chatham, CAdaily low max (Tie)12.8 C (55.0 F)tie12 years1 of 100 (Routine)
31 May 1903Galway, IEdaily high min (Tie)13.3 C (55.9 F)tie12 years1 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

1811 to 1903
Records on 05-31 in each year Records set or tied on this calendar date in each year from 1811 to 1903. 1903 had 17 records. 01,0002,0003,0001811: 11818: 31827: 11836: 21845: 11847: 11853: 21855: 21858: 11864: 21865: 11866: 11867: 11868: 41869: 11871: 21873: 31874: 11877: 11878: 21879: 21880: 31882: 11883: 11885: 11888: 11889: 21890: 11892: 11893: 41894: 21895: 81897: 51898: 71899: 11900: 21901: 91902: 91903: 171904: 191905: 71906: 111907: 201908: 121909: 81910: 261911: 201912: 151913: 831914: 201915: 231916: 231917: 131918: 201919: 441920: 461921: 1571922: 491923: 981924: 1521925: 2261926: 2281927: 1211928: 671929: 2461930: 6121931: 2231932: 1811933: 3971934: 7821935: 1561936: 5591937: 4621938: 4241939: 4611940: 3831941: 4101942: 3641943: 5521944: 3721945: 4571946: 3801947: 4391948: 2951949: 3031950: 4671951: 6401952: 3741953: 6541954: 4451955: 5341956: 6321957: 3041958: 4291959: 4591960: 2471961: 4721962: 5651963: 3541964: 1,2371965: 4941966: 6011967: 9871968: 2761969: 5551970: 5731971: 7141972: 1,1271973: 4181974: 4731975: 7971976: 4351977: 6051978: 8731979: 9151980: 5171981: 7751982: 8171983: 1,4941984: 2,0471985: 7901986: 1,3651987: 8221988: 1,2551989: 9121990: 9001991: 1,3811992: 1,0311993: 9821994: 7761995: 6931996: 9461997: 1,1631998: 1,2151999: 7902000: 1,1722001: 1,0472002: 1,1622003: 8312004: 1,0712005: 7242006: 1,0452007: 7932008: 8092009: 5702010: 7412011: 1,4982012: 7642013: 1,1002014: 5652015: 7042016: 4022017: 4402018: 1,2112019: 4202020: 6732021: 8342022: 9022023: 4542024: 8092025: 1,2042026: 5361811187418991916193319501967198420012018
Records set or tied on this calendar date in each year from 1811 to 1903. 1903 had 17 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-31 in each year
YearRecords
18111
18183
18271
18362
18451
18471
18532
18552
18581
18642
18651
18661
18671
18684
18691
18712
18733
18741
18771
18782
18792
18803
18821
18831
18851
18881
18892
18901
18921
18934
18942
18958
18975
18987
18991
19002
19019
19029
190317
190419
19057
190611
190720
190812
19098
191026
191120
191215
191383
191420
191523
191623
191713
191820
191944
192046
1921157
192249
192398
1924152
1925226
1926228
1927121
192867
1929246
1930612
1931223
1932181
1933397
1934782
1935156
1936559
1937462
1938424
1939461
1940383
1941410
1942364
1943552
1944372
1945457
1946380
1947439
1948295
1949303
1950467
1951640
1952374
1953654
1954445
1955534
1956632
1957304
1958429
1959459
1960247
1961472
1962565
1963354
19641,237
1965494
1966601
1967987
1968276
1969555
1970573
1971714
19721,127
1973418
1974473
1975797
1976435
1977605
1978873
1979915
1980517
1981775
1982817
19831,494
19842,047
1985790
19861,365
1987822
19881,255
1989912
1990900
19911,381
19921,031
1993982
1994776
1995693
1996946
19971,163
19981,215
1999790
20001,172
20011,047
20021,162
2003831
20041,071
2005724
20061,045
2007793
2008809
2009570
2010741
20111,498
2012764
20131,100
2014565
2015704
2016402
2017440
20181,211
2019420
2020673
2021834
2022902
2023454
2024809
20251,204
2026536

Download the Data

  • Data for records on 1903-05-31: 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).