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Built 2026-10-19 (19 October 2026)

Weather Records on 28 May 1917

36 weather records were set or tied worldwide on 28 May 1917. Highest significance: Morgantown 1, US.

Key Facts for 28 May 1917

  • On 28 May 1917, 36 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 15 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 35 daily.
  • Morgantown 1 set a daily record precipitation of 41.1 mm (1.6 in) on 28 May 1917.
  • Across 161 earlier years (1794 to 2026) the same calendar date averaged 444 records.

Record Map

36 stations
Weather records on 28 May 1917 36 station records on 28 May 1917 are marked on the map, coloured by record type.
36 station records on 28 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 28 May 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Morgantown 1United StatesRecord daily precipitation41.1 mm (1.6 in)40 of 100 (Notable)
Port DoverCanadaRecord daily precipitation29.2 mm (1.1 in)38 of 100 (Notable)
Cumberland StationAustraliaRecord daily precipitation43.7 mm (1.7 in)29 of 100 (Routine)
Rowlesburg 1United StatesRecord daily precipitation58.4 mm (2.3 in)29 of 100 (Routine)
GenoaItalyRecord daily precipitation29.4 mm (1.2 in)28 of 100 (Routine)
InnisfailAustraliaRecord daily precipitation95.5 mm (3.8 in)26 of 100 (Routine)
MantovaItalyRecord daily precipitation32.0 mm (1.3 in)23 of 100 (Routine)
UmeaSwedenRecord high minimum temperature10.5 C (50.9 F)20 of 100 (Routine)
YarmouthCanadaRecord low minimum temperature2.8 C (37.0 F)16 of 100 (Routine)
RoermondNetherlandsRecord daily precipitation6.3 mm (0.25 in)16 of 100 (Routine)
Bathurst GaolAustraliaRecord low minimum temperature-4.4 C (24.1 F)15 of 100 (Routine)
Anticosti SW PointCanadaRecord low maximum temperature4.4 C (39.9 F)15 of 100 (Routine)
Darwin Post OfficeAustraliaRecord low minimum temperature15.8 C (60.4 F)14 of 100 (Routine)
NeboAustraliaRecord daily precipitation17.3 mm (0.7 in)14 of 100 (Routine)
Fredericton UnbCanadaRecord low minimum temperature-1.1 C (30.0 F)14 of 100 (Routine)
BorasSwedenRecord high maximum temperature29.0 C (84.2 F)14 of 100 (Routine)
VanersborgSwedenRecord high maximum temperature25.5 C (77.9 F)14 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord daily precipitation25.7 mm (1.0 in)13 of 100 (Routine)
Bird RocksCanadaRecord low maximum temperature5.6 C (42.1 F)12 of 100 (Routine)
OrebroSwedenRecord high maximum temperature27.5 C (81.5 F)12 of 100 (Routine)
BjurakerSwedenRecord high maximum temperature27.4 C (81.3 F)12 of 100 (Routine)
QuebecCanadaRecord low minimum temperature-0.6 C (30.9 F)11 of 100 (Routine)
McKinlay RoadhouseAustraliaRecord daily precipitation1.5 mm (0.06 in)10 of 100 (Routine)
FerraraItalyRecord daily precipitation5.6 mm (0.22 in)8 of 100 (Routine)
NorthfieldUnited StatesRecord low minimum temperature0.6 C (33.1 F)8 of 100 (Routine)
Philadelphia CityUnited StatesRecord low maximum temperature13.9 C (57.0 F)8 of 100 (Routine)
TobolskRussiaRecord daily precipitation3.9 mm (0.15 in)7 of 100 (Routine)
Blue Hill CoopUnited StatesRecord low minimum temperature3.9 C (39.0 F)7 of 100 (Routine)
ChathamCanadaRecord low minimum temperature0.6 C (33.1 F)4 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord high maximum temperature27.5 C (81.5 F)4 of 100 (Routine)
SvegSwedenRecord high maximum temperature26.0 C (78.8 F)4 of 100 (Routine)
Saint JohnCanadaRecord low minimum temperature2.2 C (36.0 F)2 of 100 (Routine)
Cleveland 2717 EuclidUnited StatesRecord low maximum temperature11.7 C (53.1 F)2 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature8.9 C (48.0 F)2 of 100 (Routine)
GavleSwedenRecord high maximum temperature27.0 C (80.6 F)1 of 100 (Routine)
Middletown 4 WUnited StatesRecord low maximum temperature13.3 C (55.9 F)1 of 100 (Routine)

Counts by Type and Timescale

36 records
Records on 28 May 1917 by type Records set or tied on 28 May 1917 by type: Highest daily maximum 7, Lowest daily maximum 5, Highest daily minimum 1, Lowest daily minimum 10, Heaviest daily rainfall 13. 051015Highest daily maximum: 7Lowest daily maximum: 5Highest daily minimum: 1Lowest daily minimum: 10Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 28 May 1917 by type: Highest daily maximum 7, Lowest daily maximum 5, Highest daily minimum 1, Lowest daily minimum 10, Heaviest daily rainfall 13.
Records on 28 May 1917 by type
Record typeRecords
Highest daily maximum7
Lowest daily maximum5
Highest daily minimum1
Lowest daily minimum10
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 28 May 1917 by timescale Records on 28 May 1917 by timescale: all-time 0, monthly 1, daily 35. 010203040all-time: 0monthly: 1daily: 35all-timemonthlydaily
Records on 28 May 1917 by timescale: all-time 0, monthly 1, daily 35.
Records on 28 May 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily35

How Much Records Were Beaten By

30 broken records
Histogram of margins by which records were beaten on 28 May 1917 Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.1. Ties are not counted. 01020300 to 10: 2510 to 20: 220 to 30: 130 to 40: 140 to 50: 050 to 60: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.1. Ties are not counted.
Histogram of margins by which records were beaten on 28 May 1917
MarginRecords
0 to 1025
10 to 202
20 to 301
30 to 401
40 to 500
50 to 601

Top 20 by Significance

28 May 1917
Top 20 records on 28 May 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
28 May 1917Morgantown 1, USdaily rain41.1 mm (1.6 in)23.6 mm (0.9 in)11 years40 of 100 (Notable)
28 May 1917Port Dover, CAdaily rain29.2 mm (1.1 in)19.3 mm (0.8 in)17 years38 of 100 (Notable)
28 May 1917Cumberland Station, AUdaily rain43.7 mm (1.7 in)39.4 mm (1.6 in)12 years29 of 100 (Routine)
28 May 1917Rowlesburg 1, USmonthly rain58.4 mm (2.3 in)12.7 mm (0.5 in)4 years29 of 100 (Routine)
28 May 1917Genoa, ITdaily rain29.4 mm (1.2 in)1.3 mm (0.05 in)65 years28 of 100 (Routine)
28 May 1917Innisfail, AUdaily rain95.5 mm (3.8 in)56.1 mm (2.2 in)7 years26 of 100 (Routine)
28 May 1917Mantova, ITdaily rain32.0 mm (1.3 in)6.7 mm (0.26 in)28 years23 of 100 (Routine)
28 May 1917Umea, SEdaily high min10.5 C (50.9 F)3.5 C (6.3 F)25 years20 of 100 (Routine)
28 May 1917Yarmouth, CAdaily low min2.8 C (37.0 F)1.6 C (2.9 F)25 years16 of 100 (Routine)
28 May 1917Roermond, NLdaily rain6.3 mm (0.25 in)0.8 mm (0.03 in)35 years16 of 100 (Routine)
28 May 1917Bathurst Gaol, AUdaily low min-4.4 C (24.1 F)0.2 C (0.4 F)32 years15 of 100 (Routine)
28 May 1917Anticosti SW Point, CAdaily low max4.4 C (39.9 F)1.2 C (2.2 F)32 years15 of 100 (Routine)
28 May 1917Darwin Post Office, AUdaily low min15.8 C (60.4 F)1.9 C (3.4 F)4 years14 of 100 (Routine)
28 May 1917Nebo, AUdaily rain17.3 mm (0.7 in)7.6 mm (0.30 in)16 years14 of 100 (Routine)
28 May 1917Fredericton Unb, CAdaily low min-1.1 C (30.0 F)2.2 C (4.0 F)16 years14 of 100 (Routine)
28 May 1917Boras, SEdaily high max29.0 C (84.2 F)2.0 C (3.6 F)27 years14 of 100 (Routine)
28 May 1917Vanersborg, SEdaily high max25.5 C (77.9 F)4.5 C (8.1 F)6 years14 of 100 (Routine)
28 May 1917Baltimore Customs House, USdaily rain25.7 mm (1.0 in)6.1 mm (0.24 in)11 years13 of 100 (Routine)
28 May 1917Bird Rocks, CAdaily low max5.6 C (42.1 F)0.5 C (0.9 F)29 years12 of 100 (Routine)
28 May 1917Orebro, SEdaily high max27.5 C (81.5 F)2.5 C (4.5 F)16 years12 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

1794 to 1917
Records on 05-28 in each year Records set or tied on this calendar date in each year from 1794 to 1917. 1917 had 36 records. 05001,0001,5002,0001794: 11797: 11811: 11824: 11832: 11836: 51840: 11841: 11847: 21848: 11851: 21857: 11858: 11863: 11865: 11868: 41869: 11876: 11879: 21880: 21884: 31885: 21887: 11888: 31889: 31890: 31891: 21892: 91893: 21894: 91895: 11896: 51897: 61898: 11899: 61900: 41901: 61902: 121903: 91904: 61905: 141906: 311907: 361908: 261909: 71910: 181911: 421912: 191913: 281914: 581915: 271916: 241917: 361918: 431919: 431920: 331921: 871922: 801923: 721924: 1091925: 1221926: 1431927: 3011928: 1501929: 3551930: 1311931: 5741932: 1711933: 2121934: 5371935: 1861936: 3371937: 2121938: 2851939: 4331940: 2171941: 7111942: 2791943: 2381944: 3301945: 3311946: 4131947: 1,0491948: 3331949: 3211950: 2761951: 5031952: 3141953: 3921954: 3821955: 4131956: 4561957: 2721958: 7921959: 5571960: 4311961: 1,0261962: 8591963: 3681964: 3941965: 5361966: 2841967: 3501968: 6101969: 8631970: 3101971: 7671972: 5751973: 8341974: 5851975: 3971976: 9141977: 8261978: 8021979: 5211980: 8081981: 7111982: 1,2041983: 1,6661984: 1,3571985: 9141986: 5911987: 1,1391988: 8061989: 8171990: 1,0241991: 1,6471992: 1,6101993: 8701994: 9811995: 1,0781996: 1,4381997: 1,1081998: 1,0431999: 9522000: 1,2292001: 1,0242002: 6122003: 1,0492004: 8752005: 1,0322006: 1,5662007: 1,0842008: 9022009: 7332010: 9372011: 1,1882012: 1,2372013: 5412014: 7812015: 4872016: 6252017: 7102018: 1,3482019: 9732020: 8752021: 5372022: 4762023: 4452024: 9072025: 6632026: 1,0531794187618991916193319501967198420012018
Records set or tied on this calendar date in each year from 1794 to 1917. 1917 had 36 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-28 in each year
YearRecords
17941
17971
18111
18241
18321
18365
18401
18411
18472
18481
18512
18571
18581
18631
18651
18684
18691
18761
18792
18802
18843
18852
18871
18883
18893
18903
18912
18929
18932
18949
18951
18965
18976
18981
18996
19004
19016
190212
19039
19046
190514
190631
190736
190826
19097
191018
191142
191219
191328
191458
191527
191624
191736
191843
191943
192033
192187
192280
192372
1924109
1925122
1926143
1927301
1928150
1929355
1930131
1931574
1932171
1933212
1934537
1935186
1936337
1937212
1938285
1939433
1940217
1941711
1942279
1943238
1944330
1945331
1946413
19471,049
1948333
1949321
1950276
1951503
1952314
1953392
1954382
1955413
1956456
1957272
1958792
1959557
1960431
19611,026
1962859
1963368
1964394
1965536
1966284
1967350
1968610
1969863
1970310
1971767
1972575
1973834
1974585
1975397
1976914
1977826
1978802
1979521
1980808
1981711
19821,204
19831,666
19841,357
1985914
1986591
19871,139
1988806
1989817
19901,024
19911,647
19921,610
1993870
1994981
19951,078
19961,438
19971,108
19981,043
1999952
20001,229
20011,024
2002612
20031,049
2004875
20051,032
20061,566
20071,084
2008902
2009733
2010937
20111,188
20121,237
2013541
2014781
2015487
2016625
2017710
20181,348
2019973
2020875
2021537
2022476
2023445
2024907
2025663
20261,053

Download the Data

  • Data for records on 1917-05-28: 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).