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Built 2026-10-19 (19 October 2026)

Weather Records on 27 April 1917

47 weather records were set or tied worldwide on 27 April 1917. Highest significance: Nemours (Ghazaouet), DZ.

Key Facts for 27 April 1917

  • On 27 April 1917, 47 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 26 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 46 daily.
  • Nemours (Ghazaouet) set a daily record low maximum temperature of 15.0 C (59.0 F) on 27 April 1917.
  • Across 158 earlier years (1795 to 2026) the same calendar date averaged 478 records.

Record Map

47 stations
Weather records on 27 April 1917 47 station records on 27 April 1917 are marked on the map, coloured by record type.
47 station records on 27 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 27 April 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Nemours (Ghazaouet)AlgeriaRecord low maximum temperature15.0 C (59.0 F)21 of 100 (Routine)
LawrenceUnited StatesRecord daily precipitation21.8 mm (0.9 in)20 of 100 (Routine)
SalekhardRussiaRecord daily precipitation11.9 mm (0.5 in)20 of 100 (Routine)
Boggabri (Ghoolendaadi)AustraliaRecord daily precipitation23.9 mm (0.9 in)17 of 100 (Routine)
HarnosandSwedenRecord low maximum temperature-1.0 C (30.2 F)17 of 100 (Routine)
New WestminsterCanadaRecord high maximum temperature20.6 C (69.1 F)16 of 100 (Routine)
Guelph OacCanadaRecord low maximum temperature7.8 C (46.0 F)16 of 100 (Routine)
Parry SoundCanadaRecord low maximum temperature4.4 C (39.9 F)15 of 100 (Routine)
Miles Post OfficeAustraliaRecord daily precipitation8.4 mm (0.33 in)14 of 100 (Routine)
Port StanleyCanadaRecord low maximum temperature6.1 C (43.0 F)14 of 100 (Routine)
StockholmSwedenRecord low maximum temperature1.5 C (34.7 F)14 of 100 (Routine)
Bustard Head LighthouseAustraliaRecord daily precipitation6.6 mm (0.26 in)13 of 100 (Routine)
BjurakerSwedenRecord low maximum temperature2.0 C (35.6 F)13 of 100 (Routine)
Concordia ASOSUnited StatesRecord low maximum temperature4.4 C (39.9 F)13 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low minimum temperature11.0 C (51.8 F)12 of 100 (Routine)
PortarlingtonAustraliaRecord daily precipitation9.1 mm (0.36 in)12 of 100 (Routine)
EnfieldAustraliaRecord daily precipitation5.6 mm (0.22 in)12 of 100 (Routine)
FreiburgGermanyRecord low minimum temperature-0.7 C (30.7 F)12 of 100 (Routine)
HvarCroatiaRecord low minimum temperature9.5 C (49.1 F)12 of 100 (Routine)
Trangie (Old Bundemar)AustraliaRecord daily precipitation12.7 mm (0.5 in)11 of 100 (Routine)
HvarCroatiaRecord low maximum temperature14.6 C (58.3 F)11 of 100 (Routine)
Calitzdorp PolSouth AfricaRecord daily precipitation2.8 mm (0.11 in)11 of 100 (Routine)
Blue Hill CoopUnited StatesRecord low maximum temperature4.4 C (39.9 F)11 of 100 (Routine)
Lincoln UNIV Pwr PltUnited StatesRecord low maximum temperature4.4 C (39.9 F)11 of 100 (Routine)
Neilrex (Caigan)AustraliaRecord daily precipitation17.8 mm (0.7 in)10 of 100 (Routine)
Coleraine (Wondo Dale)AustraliaRecord daily precipitation5.3 mm (0.21 in)10 of 100 (Routine)
SvegSwedenRecord low maximum temperature-0.5 C (31.1 F)9 of 100 (Routine)
BurlingtonUnited StatesRecord low maximum temperature7.2 C (45.0 F)9 of 100 (Routine)
Taroom Post OfficeAustraliaRecord daily precipitation16.3 mm (0.6 in)8 of 100 (Routine)
RamornieAustraliaRecord daily precipitation8.6 mm (0.34 in)8 of 100 (Routine)
Bloukrans (Bos)South AfricaRecord daily precipitation25.1 mm (1.0 in)8 of 100 (Routine)
Blackall TownshipAustraliaRecord daily precipitation7.6 mm (0.30 in)7 of 100 (Routine)
DumbleAustraliaRecord daily precipitation11.7 mm (0.5 in)7 of 100 (Routine)
Oestersund-FroesoenSwedenRecord low maximum temperature-0.3 C (31.5 F)7 of 100 (Routine)
Montagu (Pol)South AfricaRecord daily precipitation4.3 mm (0.17 in)6 of 100 (Routine)
PiteaSwedenRecord low maximum temperature-2.0 C (28.4 F)6 of 100 (Routine)
Broke (Harrowby)AustraliaRecord daily precipitation8.1 mm (0.32 in)5 of 100 (Routine)
ArnsbergGermanyRecord daily precipitation9.2 mm (0.36 in)5 of 100 (Routine)
Windsor RiversideCanadaRecord low maximum temperature6.7 C (44.1 F)4 of 100 (Routine)
BuffaloUnited StatesRecord low maximum temperature3.3 C (37.9 F)4 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low minimum temperature8.0 C (46.4 F)3 of 100 (Routine)
Owen SoundCanadaRecord low maximum temperature7.2 C (45.0 F)3 of 100 (Routine)
LakefieldCanadaRecord low maximum temperature6.1 C (43.0 F)3 of 100 (Routine)
KarlsruheGermanyRecord low minimum temperature-1.0 C (30.2 F)2 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord high maximum temperature30.0 C (86.0 F)2 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature12.2 C (54.0 F)1 of 100 (Routine)
GavleSwedenRecord low maximum temperature2.0 C (35.6 F)1 of 100 (Routine)

Counts by Type and Timescale

47 records
Records on 27 April 1917 by type Records set or tied on 27 April 1917 by type: Highest daily maximum 2, Lowest daily maximum 21, Lowest daily minimum 5, Heaviest daily rainfall 19. 0102030Highest daily maximum: 2Lowest daily maximum: 21Highest daily minimum: 0Lowest daily minimum: 5Heaviest daily rainfall: 19Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 27 April 1917 by type: Highest daily maximum 2, Lowest daily maximum 21, Lowest daily minimum 5, Heaviest daily rainfall 19.
Records on 27 April 1917 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum21
Highest daily minimum0
Lowest daily minimum5
Heaviest daily rainfall19
Heaviest daily snowfall0
Deepest snow cover0
Records on 27 April 1917 by timescale Records on 27 April 1917 by timescale: all-time 0, monthly 1, daily 46. 0204060all-time: 0monthly: 1daily: 46all-timemonthlydaily
Records on 27 April 1917 by timescale: all-time 0, monthly 1, daily 46.
Records on 27 April 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily46

How Much Records Were Beaten By

38 broken records
Histogram of margins by which records were beaten on 27 April 1917 Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 13.0. Ties are not counted. 051015200 to 2: 192 to 4: 94 to 6: 76 to 8: 18 to 10: 110 to 12: 012 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 38 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 13.0. Ties are not counted.
Histogram of margins by which records were beaten on 27 April 1917
MarginRecords
0 to 219
2 to 49
4 to 67
6 to 81
8 to 101
10 to 120
12 to 141

Top 20 by Significance

27 April 1917
Top 20 records on 27 April 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
27 April 1917Nemours (Ghazaouet), DZdaily low max15.0 C (59.0 F)2.2 C (4.0 F)31 years21 of 100 (Routine)
27 April 1917Lawrence, USdaily rain21.8 mm (0.9 in)8.8 mm (0.35 in)48 years20 of 100 (Routine)
27 April 1917Salekhard, RUmonthly rain11.9 mm (0.5 in)1.0 mm (0.04 in)18 years20 of 100 (Routine)
27 April 1917Boggabri (Ghoolendaadi), AUdaily rain23.9 mm (0.9 in)13.0 mm (0.5 in)8 years17 of 100 (Routine)
27 April 1917Harnosand, SEdaily low max-1.0 C (30.2 F)2.5 C (4.5 F)28 years17 of 100 (Routine)
27 April 1917New Westminster, CAdaily high max20.6 C (69.1 F)0.6 C (1.1 F)39 years16 of 100 (Routine)
27 April 1917Guelph Oac, CAdaily low max7.8 C (46.0 F)2.2 C (4.0 F)34 years16 of 100 (Routine)
27 April 1917Parry Sound, CAdaily low max4.4 C (39.9 F)0.6 C (1.1 F)36 years15 of 100 (Routine)
27 April 1917Miles Post Office, AUdaily rain8.4 mm (0.33 in)5.4 mm (0.21 in)25 years14 of 100 (Routine)
27 April 1917Port Stanley, CAdaily low max6.1 C (43.0 F)1.7 C (3.1 F)23 years14 of 100 (Routine)
27 April 1917Stockholm, SEdaily low max1.5 C (34.7 F)1.5 C (2.7 F)28 years14 of 100 (Routine)
27 April 1917Bustard Head Lighthouse, AUdaily rain6.6 mm (0.26 in)4.1 mm (0.16 in)24 years13 of 100 (Routine)
27 April 1917Bjuraker, SEdaily low max2.0 C (35.6 F)1.0 C (1.8 F)28 years13 of 100 (Routine)
27 April 1917Concordia ASOS, USdaily low max4.4 C (39.9 F)5.6 C (10.1 F)8 years13 of 100 (Routine)
27 April 1917Algiers-Ville/Universite, DZdaily low min11.0 C (51.8 F)0.4 C (0.7 F)26 years12 of 100 (Routine)
27 April 1917Portarlington, AUdaily rain9.1 mm (0.36 in)2.7 mm (0.11 in)22 years12 of 100 (Routine)
27 April 1917Enfield, AUdaily rain5.6 mm (0.22 in)1.8 mm (0.07 in)29 years12 of 100 (Routine)
27 April 1917Freiburg, DEdaily low min-0.7 C (30.7 F)1.4 C (2.5 F)16 years12 of 100 (Routine)
27 April 1917Hvar, HRdaily low min9.5 C (49.1 F)0.1 C (0.2 F)27 years12 of 100 (Routine)
27 April 1917Trangie (Old Bundemar), AUdaily rain12.7 mm (0.5 in)1.8 mm (0.07 in)23 years11 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

1795 to 1917
Records on 04-27 in each year Records set or tied on this calendar date in each year from 1795 to 1917. 1917 had 47 records. 01,0002,0003,0001795: 11801: 11802: 21812: 11814: 11817: 31828: 11838: 11841: 11843: 11852: 11853: 11855: 11856: 11857: 11862: 21873: 21874: 41879: 11882: 21884: 21885: 51887: 11888: 41890: 31891: 11892: 31893: 31894: 71895: 21896: 31897: 41899: 51900: 41901: 31903: 51904: 111905: 161906: 131907: 311908: 271909: 511910: 81911: 371912: 51913: 731914: 191915: 771916: 361917: 471918: 551919: 691920: 441921: 711922: 1511923: 1101924: 1031925: 1131926: 2871927: 1141928: 4041929: 711930: 801931: 4541932: 3311933: 3281934: 2751935: 2271936: 971937: 3771938: 4671939: 2121940: 2681941: 3611942: 5691943: 3741944: 2141945: 4761946: 5121947: 3731948: 5351949: 5161950: 6171951: 4091952: 7221953: 6511954: 8751955: 9371956: 6851957: 5521958: 4611959: 4701960: 6841961: 3131962: 7411963: 7681964: 7111965: 5681966: 1,2821967: 7331968: 3721969: 5431970: 1,1421971: 7581972: 6451973: 1,1881974: 9261975: 8201976: 8101977: 8011978: 6941979: 7581980: 7061981: 1,1481982: 6851983: 9211984: 1,7541985: 1,1411986: 1,2251987: 1,4821988: 8931989: 1,3201990: 1,3211991: 1,0281992: 2,1631993: 1,2851994: 1,6141995: 8061996: 1,0341997: 1,5881998: 8721999: 5442000: 1,1712001: 1,1382002: 1,0242003: 8402004: 9372005: 6752006: 7052007: 1,0552008: 1,0322009: 1,2992010: 7512011: 1,2912012: 1,0152013: 5682014: 6562015: 6082016: 7552017: 9182018: 4072019: 6262020: 4972021: 4502022: 5672023: 5362024: 5742025: 6592026: 4501795187318991916193219481964198019962012
Records set or tied on this calendar date in each year from 1795 to 1917. 1917 had 47 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-27 in each year
YearRecords
17951
18011
18022
18121
18141
18173
18281
18381
18411
18431
18521
18531
18551
18561
18571
18622
18732
18744
18791
18822
18842
18855
18871
18884
18903
18911
18923
18933
18947
18952
18963
18974
18995
19004
19013
19035
190411
190516
190613
190731
190827
190951
19108
191137
19125
191373
191419
191577
191636
191747
191855
191969
192044
192171
1922151
1923110
1924103
1925113
1926287
1927114
1928404
192971
193080
1931454
1932331
1933328
1934275
1935227
193697
1937377
1938467
1939212
1940268
1941361
1942569
1943374
1944214
1945476
1946512
1947373
1948535
1949516
1950617
1951409
1952722
1953651
1954875
1955937
1956685
1957552
1958461
1959470
1960684
1961313
1962741
1963768
1964711
1965568
19661,282
1967733
1968372
1969543
19701,142
1971758
1972645
19731,188
1974926
1975820
1976810
1977801
1978694
1979758
1980706
19811,148
1982685
1983921
19841,754
19851,141
19861,225
19871,482
1988893
19891,320
19901,321
19911,028
19922,163
19931,285
19941,614
1995806
19961,034
19971,588
1998872
1999544
20001,171
20011,138
20021,024
2003840
2004937
2005675
2006705
20071,055
20081,032
20091,299
2010751
20111,291
20121,015
2013568
2014656
2015608
2016755
2017918
2018407
2019626
2020497
2021450
2022567
2023536
2024574
2025659
2026450

Download the Data

  • Data for records on 1917-04-27: 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).