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Built 2026-10-19 (19 October 2026)

Weather Records on 27 May 1917

23 weather records were set or tied worldwide on 27 May 1917. Highest significance: Herberton White St, AU.

Key Facts for 27 May 1917

  • On 27 May 1917, 23 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 22 daily.
  • Herberton White St set a daily record precipitation of 43.2 mm (1.7 in) on 27 May 1917.
  • Across 164 earlier years (1797 to 2026) the same calendar date averaged 420 records.

Record Map

23 stations
Weather records on 27 May 1917 23 station records on 27 May 1917 are marked on the map, coloured by record type.
23 station records on 27 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 27 May 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Herberton White StAustraliaRecord daily precipitation43.2 mm (1.7 in)45 of 100 (Notable)
Lexington Bluegrass APUnited StatesRecord daily precipitation51.6 mm (2.0 in)36 of 100 (Notable)
Burketown Post OfficeAustraliaRecord daily precipitation27.9 mm (1.1 in)31 of 100 (Routine)
Bowen Post OfficeAustraliaRecord daily precipitation19.8 mm (0.8 in)19 of 100 (Routine)
San Diego WboUnited StatesRecord low minimum temperature10.0 C (50.0 F)18 of 100 (Routine)
MaytownAustraliaRecord daily precipitation12.7 mm (0.5 in)17 of 100 (Routine)
Santa FeUnited StatesRecord low minimum temperature0.0 C (32.0 F)16 of 100 (Routine)
ThornboroughAustraliaRecord daily precipitation21.1 mm (0.8 in)15 of 100 (Routine)
HarnosandSwedenRecord high maximum temperature22.0 C (71.6 F)15 of 100 (Routine)
MusgraveAustraliaRecord daily precipitation15.2 mm (0.6 in)14 of 100 (Routine)
GavleSwedenRecord high minimum temperature10.0 C (50.0 F)14 of 100 (Routine)
Nordby (Fano)DenmarkRecord high maximum temperature24.8 C (76.6 F)12 of 100 (Routine)
OrebroSwedenRecord high maximum temperature26.5 C (79.7 F)12 of 100 (Routine)
Rowlesburg 1United StatesRecord daily precipitation37.1 mm (1.5 in)12 of 100 (Routine)
Darwin Post OfficeAustraliaRecord low minimum temperature17.8 C (64.0 F)10 of 100 (Routine)
PiteaSwedenRecord high minimum temperature9.5 C (49.1 F)10 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord high maximum temperature23.5 C (74.3 F)10 of 100 (Routine)
Port ArthurCanadaRecord low minimum temperature-1.7 C (28.9 F)8 of 100 (Routine)
Vasteras-HassloSwedenRecord high maximum temperature28.0 C (82.4 F)6 of 100 (Routine)
Skara 1SwedenRecord high maximum temperature27.5 C (81.5 F)2 of 100 (Routine)
Fort NationalAlgeriaRecord high maximum temperature25.0 C (77.0 F)1 of 100 (Routine)
QuebecCanadaRecord low minimum temperature0.0 C (32.0 F)1 of 100 (Routine)
BjurakerSwedenRecord high maximum temperature24.0 C (75.2 F)1 of 100 (Routine)

Counts by Type and Timescale

23 records
Records on 27 May 1917 by type Records set or tied on 27 May 1917 by type: Highest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 8. 02468Highest daily maximum: 8Lowest daily maximum: 0Highest daily minimum: 2Lowest daily minimum: 5Heaviest daily rainfall: 8Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 27 May 1917 by type: Highest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 8.
Records on 27 May 1917 by type
Record typeRecords
Highest daily maximum8
Lowest daily maximum0
Highest daily minimum2
Lowest daily minimum5
Heaviest daily rainfall8
Heaviest daily snowfall0
Deepest snow cover0
Records on 27 May 1917 by timescale Records on 27 May 1917 by timescale: all-time 0, monthly 1, daily 22. 0102030all-time: 0monthly: 1daily: 22all-timemonthlydaily
Records on 27 May 1917 by timescale: all-time 0, monthly 1, daily 22.
Records on 27 May 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily22

How Much Records Were Beaten By

19 broken records
Histogram of margins by which records were beaten on 27 May 1917 Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.3. Ties are not counted. 0510150 to 5: 125 to 10: 210 to 15: 315 to 20: 120 to 25: 025 to 30: 030 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.3. Ties are not counted.
Histogram of margins by which records were beaten on 27 May 1917
MarginRecords
0 to 512
5 to 102
10 to 153
15 to 201
20 to 250
25 to 300
30 to 351

Top 20 by Significance

27 May 1917
Top 20 records on 27 May 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
27 May 1917Herberton White St, AUdaily rain43.2 mm (1.7 in)34.3 mm (1.4 in)7 years45 of 100 (Notable)
27 May 1917Lexington Bluegrass AP, USdaily rain51.6 mm (2.0 in)18.6 mm (0.7 in)43 years36 of 100 (Notable)
27 May 1917Burketown Post Office, AUmonthly rain27.9 mm (1.1 in)10.6 mm (0.4 in)26 years31 of 100 (Routine)
27 May 1917Bowen Post Office, AUdaily rain19.8 mm (0.8 in)13.4 mm (0.5 in)16 years19 of 100 (Routine)
27 May 1917San Diego Wbo, USdaily low min10.0 C (50.0 F)1.1 C (2.0 F)28 years18 of 100 (Routine)
27 May 1917Maytown, AUdaily rain12.7 mm (0.5 in)6.1 mm (0.24 in)26 years17 of 100 (Routine)
27 May 1917Santa Fe, USdaily low min0.0 C (32.0 F)1.7 C (3.1 F)28 years16 of 100 (Routine)
27 May 1917Thornborough, AUdaily rain21.1 mm (0.8 in)13.5 mm (0.5 in)7 years15 of 100 (Routine)
27 May 1917Harnosand, SEdaily high max22.0 C (71.6 F)1.0 C (1.8 F)34 years15 of 100 (Routine)
27 May 1917Musgrave, AUdaily rain15.2 mm (0.6 in)3.8 mm (0.15 in)26 years14 of 100 (Routine)
27 May 1917Gavle, SEdaily high min10.0 C (50.0 F)0.5 C (0.9 F)34 years14 of 100 (Routine)
27 May 1917Nordby (Fano), DKdaily high max24.8 C (76.6 F)0.5 C (0.9 F)24 years12 of 100 (Routine)
27 May 1917Orebro, SEdaily high max26.5 C (79.7 F)1.0 C (1.8 F)24 years12 of 100 (Routine)
27 May 1917Rowlesburg 1, USdaily rain37.1 mm (1.5 in)6.6 mm (0.26 in)4 years12 of 100 (Routine)
27 May 1917Darwin Post Office, AUdaily low min17.8 C (64.0 F)0.5 C (0.9 F)19 years10 of 100 (Routine)
27 May 1917Pitea, SEdaily high min9.5 C (49.1 F)0.5 C (0.9 F)20 years10 of 100 (Routine)
27 May 1917Cet Central England, GBdaily high max23.5 C (74.3 F)0.3 C (0.5 F)24 years10 of 100 (Routine)
27 May 1917Port Arthur, CAdaily low min-1.7 C (28.9 F)0.6 C (1.1 F)10 years8 of 100 (Routine)
27 May 1917Vasteras-Hasslo, SEdaily high max28.0 C (82.4 F)1.5 C (2.7 F)6 years6 of 100 (Routine)
27 May 1917Skara 1, SEdaily high max (Tie)27.5 C (81.5 F)tie24 years2 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 1917
Records on 05-27 in each year Records set or tied on this calendar date in each year from 1797 to 1917. 1917 had 23 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 1917. 1917 had 23 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 1917-05-27: 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).