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Built 2026-10-19 (19 October 2026)

Weather Records on 20 June 1917

96 weather records were set or tied worldwide on 20 June 1917. Highest significance: Jena Sternwarte, DE.

Key Facts for 20 June 1917

  • On 20 June 1917, 96 weather records were set or tied at long-record stations worldwide.
  • 59 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 1 were all-time records, 8 monthly and 87 daily.
  • Jena Sternwarte set a daily record high maximum temperature of 33.8 C (92.8 F) on 20 June 1917.
  • Across 158 earlier years (1800 to 2026) the same calendar date averaged 460 records.

Record Map

96 stations
Weather records on 20 June 1917 96 station records on 20 June 1917 are marked on the map, coloured by record type.
96 station records on 20 June 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 June 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Jena SternwarteGermanyRecord high maximum temperature33.8 C (92.8 F)33 of 100 (Routine)
Uppsala_AutSwedenRecord high minimum temperature17.1 C (62.8 F)32 of 100 (Routine)
SandvigDenmarkRecord high maximum temperature32.7 C (90.9 F)29 of 100 (Routine)
BeatriceCanadaRecord daily precipitation35.1 mm (1.4 in)28 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord high maximum temperature30.2 C (86.4 F)28 of 100 (Routine)
VestervigDenmarkRecord high minimum temperature17.5 C (63.5 F)26 of 100 (Routine)
TranebjergDenmarkRecord high minimum temperature17.6 C (63.7 F)24 of 100 (Routine)
SandvigDenmarkRecord high minimum temperature19.3 C (66.7 F)24 of 100 (Routine)
Vasteras-HassloSwedenRecord high minimum temperature16.0 C (60.8 F)24 of 100 (Routine)
Wrixum/FohrGermanyRecord high minimum temperature19.2 C (66.6 F)22 of 100 (Routine)
St John'sCanadaRecord high minimum temperature15.6 C (60.1 F)21 of 100 (Routine)
Nordby (Fano)DenmarkRecord high minimum temperature18.8 C (65.8 F)21 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord high minimum temperature18.3 C (64.9 F)21 of 100 (Routine)
HohenpeissenbergGermanyRecord high minimum temperature17.3 C (63.1 F)21 of 100 (Routine)
SheffieldUnited KingdomRecord daily precipitation21.6 mm (0.9 in)20 of 100 (Routine)
JonkopingSwedenRecord high maximum temperature31.5 C (88.7 F)20 of 100 (Routine)
MarrabelAustraliaRecord daily precipitation12.2 mm (0.5 in)19 of 100 (Routine)
JonkopingSwedenRecord high minimum temperature17.0 C (62.6 F)19 of 100 (Routine)
Wirrabara ForestAustraliaRecord daily precipitation18.8 mm (0.7 in)17 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord low maximum temperature9.3 C (48.7 F)17 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature39.4 C (102.9 F)17 of 100 (Routine)
KarlshamnSwedenRecord high minimum temperature17.5 C (63.5 F)16 of 100 (Routine)
Murray Town (Doughboy Creek)AustraliaRecord daily precipitation19.1 mm (0.8 in)15 of 100 (Routine)
Bundaleer Forest ReserveAustraliaRecord daily precipitation10.9 mm (0.4 in)15 of 100 (Routine)
KarlsruheGermanyRecord high maximum temperature28.2 C (82.8 F)15 of 100 (Routine)
NurnbergGermanyRecord high maximum temperature33.1 C (91.6 F)15 of 100 (Routine)
PortarlingtonAustraliaRecord daily precipitation16.3 mm (0.6 in)14 of 100 (Routine)
MagdeburgGermanyRecord high maximum temperature35.3 C (95.5 F)14 of 100 (Routine)
PlauenGermanyRecord high maximum temperature32.8 C (91.0 F)14 of 100 (Routine)
HoornNetherlandsRecord daily precipitation16.3 mm (0.6 in)14 of 100 (Routine)
VanersborgSwedenRecord high minimum temperature16.5 C (61.7 F)14 of 100 (Routine)
OrebroSwedenRecord high maximum temperature29.5 C (85.1 F)14 of 100 (Routine)
MelroseAustraliaRecord daily precipitation11.7 mm (0.5 in)13 of 100 (Routine)
Farrell FlatAustraliaRecord daily precipitation8.1 mm (0.32 in)13 of 100 (Routine)
Mitcham Post OfficeAustraliaRecord daily precipitation10.7 mm (0.4 in)13 of 100 (Routine)
Tyntynder StationAustraliaRecord daily precipitation5.1 mm (0.20 in)13 of 100 (Routine)
StonecliffeCanadaRecord high minimum temperature17.8 C (64.0 F)13 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord high maximum temperature33.0 C (91.4 F)13 of 100 (Routine)
Visby_FlygplatsSwedenRecord high maximum temperature29.8 C (85.6 F)13 of 100 (Routine)
VastervikSwedenRecord high minimum temperature16.5 C (61.7 F)13 of 100 (Routine)
GavleSwedenRecord high minimum temperature17.0 C (62.6 F)13 of 100 (Routine)
BjurakerSwedenRecord high minimum temperature14.0 C (57.2 F)13 of 100 (Routine)
KievUkraineRecord high minimum temperature19.4 C (66.9 F)13 of 100 (Routine)
Maitland (Woodburlie)AustraliaRecord daily precipitation6.4 mm (0.25 in)12 of 100 (Routine)
Goolwa Council DepotAustraliaRecord daily precipitation7.1 mm (0.28 in)12 of 100 (Routine)
LobethalAustraliaRecord daily precipitation19.8 mm (0.8 in)12 of 100 (Routine)
Cobar Post OfficeAustraliaRecord low maximum temperature8.9 C (48.0 F)12 of 100 (Routine)
Anticosti SW PointCanadaRecord high minimum temperature12.2 C (54.0 F)12 of 100 (Routine)
Munchen-NymphenburgGermanyRecord high minimum temperature17.7 C (63.9 F)12 of 100 (Routine)
Visby_FlygplatsSwedenRecord high minimum temperature17.0 C (62.6 F)12 of 100 (Routine)
VanersborgSwedenRecord high maximum temperature28.5 C (83.3 F)12 of 100 (Routine)
StockholmSwedenRecord high minimum temperature17.0 C (62.6 F)12 of 100 (Routine)
Echunga Golf CourseAustraliaRecord daily precipitation21.6 mm (0.9 in)11 of 100 (Routine)
NairneAustraliaRecord daily precipitation17.3 mm (0.7 in)11 of 100 (Routine)
WillungaAustraliaRecord daily precipitation14.7 mm (0.6 in)11 of 100 (Routine)
Coleraine (Wondo Dale)AustraliaRecord daily precipitation15.2 mm (0.6 in)11 of 100 (Routine)
SonnblickAustriaRecord high minimum temperature0.9 C (33.6 F)11 of 100 (Routine)
BambergGermanyRecord high maximum temperature33.0 C (91.4 F)11 of 100 (Routine)
HohenpeissenbergGermanyRecord high maximum temperature28.1 C (82.6 F)11 of 100 (Routine)
MagdeburgGermanyRecord high minimum temperature17.7 C (63.9 F)11 of 100 (Routine)

Counts by Type and Timescale

96 records
Records on 20 June 1917 by type Records set or tied on 20 June 1917 by type: Highest daily maximum 25, Lowest daily maximum 3, Highest daily minimum 34, Lowest daily minimum 2, Heaviest daily rainfall 32. 010203040Highest daily maximum: 25Lowest daily maximum: 3Highest daily minimum: 34Lowest daily minimum: 2Heaviest daily rainfall: 32Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 June 1917 by type: Highest daily maximum 25, Lowest daily maximum 3, Highest daily minimum 34, Lowest daily minimum 2, Heaviest daily rainfall 32.
Records on 20 June 1917 by type
Record typeRecords
Highest daily maximum25
Lowest daily maximum3
Highest daily minimum34
Lowest daily minimum2
Heaviest daily rainfall32
Heaviest daily snowfall0
Deepest snow cover0
Records on 20 June 1917 by timescale Records on 20 June 1917 by timescale: all-time 1, monthly 8, daily 87. 0255075100all-time: 1monthly: 8daily: 87all-timemonthlydaily
Records on 20 June 1917 by timescale: all-time 1, monthly 8, daily 87.
Records on 20 June 1917 by timescale
TimescaleRecords
all-time1
monthly8
daily87

How Much Records Were Beaten By

81 broken records
Histogram of margins by which records were beaten on 20 June 1917 Margins by which the 81 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.3. Ties are not counted. 02040600 to 3: 513 to 5: 255 to 8: 38 to 10: 010 to 13: 013 to 15: 115 to 18: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 18
Margins by which the 81 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.3. Ties are not counted.
Histogram of margins by which records were beaten on 20 June 1917
MarginRecords
0 to 351
3 to 525
5 to 83
8 to 100
10 to 130
13 to 151
15 to 181

Top 20 by Significance

20 June 1917
Top 20 records on 20 June 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 June 1917Jena Sternwarte, DEdaily high max33.8 C (92.8 F)3.9 C (7.0 F)55 years33 of 100 (Routine)
20 June 1917Uppsala_Aut, SEdaily high min17.1 C (62.8 F)2.3 C (4.1 F)63 years32 of 100 (Routine)
20 June 1917Sandvig, DKall-time high max32.7 C (90.9 F)1.7 C (3.1 F)2 years29 of 100 (Routine)
20 June 1917Beatrice, CAdaily rain35.1 mm (1.4 in)17.3 mm (0.7 in)24 years28 of 100 (Routine)
20 June 1917Koebenhavn: Landbohojskolen-1, DKdaily high max30.2 C (86.4 F)4.4 C (7.9 F)40 years28 of 100 (Routine)
20 June 1917Vestervig, DKdaily high min17.5 C (63.5 F)3.3 C (5.9 F)27 years26 of 100 (Routine)
20 June 1917Tranebjerg, DKdaily high min17.6 C (63.7 F)3.1 C (5.6 F)27 years24 of 100 (Routine)
20 June 1917Sandvig, DKdaily high min19.3 C (66.7 F)3.3 C (5.9 F)20 years24 of 100 (Routine)
20 June 1917Vasteras-Hasslo, SEdaily high min16.0 C (60.8 F)4.0 C (7.2 F)30 years24 of 100 (Routine)
20 June 1917Wrixum/Fohr, DEdaily high min19.2 C (66.6 F)3.8 C (6.8 F)17 years22 of 100 (Routine)
20 June 1917St John's, CAdaily high min15.6 C (60.1 F)2.3 C (4.1 F)38 years21 of 100 (Routine)
20 June 1917Nordby (Fano), DKmonthly high min18.8 C (65.8 F)0.3 C (0.5 F)20 years21 of 100 (Routine)
20 June 1917Koebenhavn: Landbohojskolen-1, DKdaily high min18.3 C (64.9 F)4.1 C (7.4 F)11 years21 of 100 (Routine)
20 June 1917Hohenpeissenberg, DEdaily high min17.3 C (63.1 F)3.7 C (6.7 F)27 years21 of 100 (Routine)
20 June 1917Sheffield, GBdaily rain21.6 mm (0.9 in)13.2 mm (0.5 in)8 years20 of 100 (Routine)
20 June 1917Jonkoping, SEmonthly high max31.5 C (88.7 F)0.5 C (0.9 F)21 years20 of 100 (Routine)
20 June 1917Marrabel, AUdaily rain12.2 mm (0.5 in)5.3 mm (0.21 in)24 years19 of 100 (Routine)
20 June 1917Jonkoping, SEdaily high min17.0 C (62.6 F)3.0 C (5.4 F)22 years19 of 100 (Routine)
20 June 1917Wirrabara Forest, AUdaily rain18.8 mm (0.7 in)6.1 mm (0.24 in)27 years17 of 100 (Routine)
20 June 1917Melbourne Regional Office, AUdaily low max9.3 C (48.7 F)0.8 C (1.4 F)29 years17 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

1800 to 1917
Records on 06-20 in each year Records set or tied on this calendar date in each year from 1800 to 1917. 1917 had 96 records. 05001,0001,5002,0001800: 11803: 11813: 11821: 21838: 11839: 11841: 11844: 11846: 21847: 11850: 11855: 21857: 11861: 11865: 21867: 11869: 21872: 11873: 11877: 21879: 11884: 11886: 21887: 21891: 21892: 21893: 21895: 41896: 31897: 61898: 31899: 61900: 41901: 51902: 71903: 221904: 131905: 141906: 181907: 101908: 301909: 91910: 271911: 271912: 171913: 301914: 531915: 751916: 831917: 961918: 541919: 671920: 401921: 421922: 611923: 2631924: 2041925: 4831926: 2281927: 1931928: 1991929: 1371930: 1431931: 5361932: 1821933: 6761934: 3011935: 3371936: 5291937: 4121938: 3261939: 2701940: 4691941: 2001942: 7571943: 4471944: 3151945: 7691946: 8491947: 3871948: 5541949: 3141950: 3281951: 2891952: 3181953: 9981954: 4141955: 2911956: 4841957: 5981958: 6031959: 5041960: 4511961: 8361962: 1731963: 3791964: 7291965: 4631966: 4411967: 6871968: 5591969: 9821970: 4821971: 3951972: 6601973: 5531974: 7431975: 9841976: 8991977: 4531978: 4801979: 7271980: 9221981: 9871982: 8011983: 7241984: 6861985: 8111986: 7321987: 9601988: 1,2221989: 9181990: 8991991: 1,0851992: 1,0491993: 9641994: 9251995: 1,2601996: 1,1231997: 7381998: 1,6271999: 9062000: 1,3282001: 7712002: 9552003: 8432004: 1,0712005: 1,0552006: 8202007: 1,2082008: 6692009: 1,0602010: 8652011: 1,3592012: 1,0452013: 8792014: 3812015: 6372016: 1,3522017: 1,0862018: 6352019: 6932020: 5902021: 1,1612022: 9722023: 1,2652024: 7832025: 9442026: 7571800186919001916193219481964198019962012
Records set or tied on this calendar date in each year from 1800 to 1917. 1917 had 96 records.
Counts for years before the ledger starts come from the same station rules.
Records on 06-20 in each year
YearRecords
18001
18031
18131
18212
18381
18391
18411
18441
18462
18471
18501
18552
18571
18611
18652
18671
18692
18721
18731
18772
18791
18841
18862
18872
18912
18922
18932
18954
18963
18976
18983
18996
19004
19015
19027
190322
190413
190514
190618
190710
190830
19099
191027
191127
191217
191330
191453
191575
191683
191796
191854
191967
192040
192142
192261
1923263
1924204
1925483
1926228
1927193
1928199
1929137
1930143
1931536
1932182
1933676
1934301
1935337
1936529
1937412
1938326
1939270
1940469
1941200
1942757
1943447
1944315
1945769
1946849
1947387
1948554
1949314
1950328
1951289
1952318
1953998
1954414
1955291
1956484
1957598
1958603
1959504
1960451
1961836
1962173
1963379
1964729
1965463
1966441
1967687
1968559
1969982
1970482
1971395
1972660
1973553
1974743
1975984
1976899
1977453
1978480
1979727
1980922
1981987
1982801
1983724
1984686
1985811
1986732
1987960
19881,222
1989918
1990899
19911,085
19921,049
1993964
1994925
19951,260
19961,123
1997738
19981,627
1999906
20001,328
2001771
2002955
2003843
20041,071
20051,055
2006820
20071,208
2008669
20091,060
2010865
20111,359
20121,045
2013879
2014381
2015637
20161,352
20171,086
2018635
2019693
2020590
20211,161
2022972
20231,265
2024783
2025944
2026757

Download the Data

  • Data for records on 1917-06-20: 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).