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Built 2026-10-19 (19 October 2026)

Weather Records on 27 May 1903

7 weather records were set or tied worldwide on 27 May 1903. Highest significance: La Crosse Wb City, US.

Key Facts for 27 May 1903

  • On 27 May 1903, 7 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 7 daily.
  • La Crosse Wb City set a daily record precipitation of 46.5 mm (1.8 in) on 27 May 1903.
  • Across 164 earlier years (1797 to 2026) the same calendar date averaged 420 records.

Record Map

7 stations
Weather records on 27 May 1903 7 station records on 27 May 1903 are marked on the map, coloured by record type.
7 station records on 27 May 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 27 May 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
La Crosse Wb CityUnited StatesRecord daily precipitation46.5 mm (1.8 in)35 of 100 (Notable)
GalwayIrelandRecord high maximum temperature24.4 C (75.9 F)18 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord daily precipitation10.2 mm (0.4 in)11 of 100 (Routine)
GenoaItalyRecord daily precipitation32.2 mm (1.3 in)11 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord daily precipitation22.6 mm (0.9 in)9 of 100 (Routine)
PeterboroughCanadaRecord daily precipitation16.5 mm (0.6 in)8 of 100 (Routine)
Royal ObservatorySouth AfricaRecord daily precipitation48.8 mm (1.9 in)8 of 100 (Routine)

Counts by Type and Timescale

7 records
Records on 27 May 1903 by type Records set or tied on 27 May 1903 by type: Highest daily maximum 1, Heaviest daily rainfall 6. 0246Highest daily maximum: 1Lowest daily maximum: 0Highest daily minimum: 0Lowest daily minimum: 0Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 27 May 1903 by type: Highest daily maximum 1, Heaviest daily rainfall 6.
Records on 27 May 1903 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum0
Highest daily minimum0
Lowest daily minimum0
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 27 May 1903 by timescale Records on 27 May 1903 by timescale: all-time 0, monthly 0, daily 7. 02468all-time: 0monthly: 0daily: 7all-timemonthlydaily
Records on 27 May 1903 by timescale: all-time 0, monthly 0, daily 7.
Records on 27 May 1903 by timescale
TimescaleRecords
all-time0
monthly0
daily7

How Much Records Were Beaten By

7 broken records
Histogram of margins by which records were beaten on 27 May 1903 Margins by which the 7 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.2. Ties are not counted. 02460 to 5: 65 to 10: 010 to 15: 015 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 7 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.2. Ties are not counted.
Histogram of margins by which records were beaten on 27 May 1903
MarginRecords
0 to 56
5 to 100
10 to 150
15 to 200
20 to 250
25 to 301

Top 20 by Significance

27 May 1903
Top 7 records on 27 May 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
27 May 1903La Crosse Wb City, USdaily rain46.5 mm (1.8 in)28.2 mm (1.1 in)6 years35 of 100 (Notable)
27 May 1903Galway, IEdaily high max24.4 C (75.9 F)1.1 C (2.0 F)36 years18 of 100 (Routine)
27 May 1903Winnipeg St Johns Coll, CAdaily rain10.2 mm (0.4 in)0.5 mm (0.02 in)27 years11 of 100 (Routine)
27 May 1903Genoa, ITdaily rain32.2 mm (1.3 in)0.9 mm (0.04 in)13 years11 of 100 (Routine)
27 May 1903Baltimore Customs House, USdaily rain22.6 mm (0.9 in)2.0 mm (0.08 in)13 years9 of 100 (Routine)
27 May 1903Peterborough, CAdaily rain16.5 mm (0.6 in)3.8 mm (0.15 in)3 years8 of 100 (Routine)
27 May 1903Royal Observatory, ZAdaily rain48.8 mm (1.9 in)1.0 mm (0.04 in)11 years8 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

1797 to 1903
Records on 05-27 in each year Records set or tied on this calendar date in each year from 1797 to 1903. 1903 had 7 records. 05001,0001,5002,0001797: 11817: 11818: 11834: 21836: 41839: 11845: 11846: 11847: 11849: 11852: 11858: 11860: 11863: 11864: 31868: 41869: 11874: 11876: 11879: 31880: 51881: 21883: 11884: 11885: 11886: 11888: 11889: 31890: 51891: 21892: 81893: 51894: 131895: 41896: 31897: 11898: 31899: 21900: 41901: 71902: 121903: 71904: 111905: 71906: 281907: 231908: 161909: 71910: 311911: 531912: 271913: 191914: 921915: 631916: 261917: 231918: 391919: 381920: 401921: 561922: 361923: 861924: 921925: 2911926: 1071927: 1831928: 811929: 1951930: 991931: 3671932: 2651933: 2841934: 3931935: 1281936: 4681937: 2981938: 4921939: 3121940: 1381941: 4361942: 6571943: 1601944: 4791945: 2721946: 4241947: 4851948: 3241949: 3661950: 6971951: 5781952: 2581953: 6031954: 3671955: 5711956: 4911957: 3671958: 6191959: 4491960: 4211961: 1,5041962: 4601963: 4211964: 3171965: 6521966: 3981967: 4921968: 6051969: 8501970: 3261971: 6121972: 5081973: 9431974: 6301975: 4041976: 5891977: 6631978: 8141979: 8991980: 6441981: 8911982: 8381983: 1,2531984: 8341985: 8731986: 6961987: 1,0371988: 7771989: 9041990: 8041991: 1,4291992: 1,4131993: 8351994: 8481995: 8151996: 1,3781997: 9191998: 1,0791999: 8762000: 1,3472001: 8982002: 5112003: 9182004: 8382005: 1,0942006: 1,1712007: 8862008: 9142009: 8582010: 9552011: 1,0552012: 1,4752013: 6072014: 8352015: 5372016: 6222017: 5412018: 1,3552019: 9602020: 9062021: 4142022: 6532023: 4052024: 9042025: 7612026: 1,1851797187418961913193019471964198119982015
Records set or tied on this calendar date in each year from 1797 to 1903. 1903 had 7 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-27 in each year
YearRecords
17971
18171
18181
18342
18364
18391
18451
18461
18471
18491
18521
18581
18601
18631
18643
18684
18691
18741
18761
18793
18805
18812
18831
18841
18851
18861
18881
18893
18905
18912
18928
18935
189413
18954
18963
18971
18983
18992
19004
19017
190212
19037
190411
19057
190628
190723
190816
19097
191031
191153
191227
191319
191492
191563
191626
191723
191839
191938
192040
192156
192236
192386
192492
1925291
1926107
1927183
192881
1929195
193099
1931367
1932265
1933284
1934393
1935128
1936468
1937298
1938492
1939312
1940138
1941436
1942657
1943160
1944479
1945272
1946424
1947485
1948324
1949366
1950697
1951578
1952258
1953603
1954367
1955571
1956491
1957367
1958619
1959449
1960421
19611,504
1962460
1963421
1964317
1965652
1966398
1967492
1968605
1969850
1970326
1971612
1972508
1973943
1974630
1975404
1976589
1977663
1978814
1979899
1980644
1981891
1982838
19831,253
1984834
1985873
1986696
19871,037
1988777
1989904
1990804
19911,429
19921,413
1993835
1994848
1995815
19961,378
1997919
19981,079
1999876
20001,347
2001898
2002511
2003918
2004838
20051,094
20061,171
2007886
2008914
2009858
2010955
20111,055
20121,475
2013607
2014835
2015537
2016622
2017541
20181,355
2019960
2020906
2021414
2022653
2023405
2024904
2025761
20261,185

Download the Data

  • Data for records on 1903-05-27: 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).