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Built 2026-10-19 (19 October 2026)

Weather Records on 15 May 1905

16 weather records were set or tied worldwide on 15 May 1905. Highest significance: Mantova, IT.

Key Facts for 15 May 1905

  • On 15 May 1905, 16 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 15 daily.
  • Mantova set a daily record precipitation of 23.6 mm (0.9 in) on 15 May 1905.
  • Across 162 earlier years (1820 to 2026) the same calendar date averaged 433 records.

Record Map

16 stations
Weather records on 15 May 1905 16 station records on 15 May 1905 are marked on the map, coloured by record type.
16 station records on 15 May 1905 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 May 1905: highest significance records shown on the map
StationCountryTypeValueSignificance
MantovaItalyRecord daily precipitation23.6 mm (0.9 in)20 of 100 (Routine)
MilanItalyRecord daily precipitation39.2 mm (1.5 in)19 of 100 (Routine)
ConcordUnited StatesRecord daily precipitation28.7 mm (1.1 in)18 of 100 (Routine)
PesaroItalyRecord daily precipitation45.0 mm (1.8 in)17 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high maximum temperature16.1 C (61.0 F)14 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord daily precipitation26.9 mm (1.1 in)14 of 100 (Routine)
San Diego WboUnited StatesRecord high minimum temperature16.1 C (61.0 F)13 of 100 (Routine)
WashingtonUnited StatesRecord high minimum temperature18.9 C (66.0 F)13 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation24.9 mm (1.0 in)12 of 100 (Routine)
San Diego WboUnited StatesRecord high maximum temperature25.0 C (77.0 F)11 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord high minimum temperature23.3 C (73.9 F)11 of 100 (Routine)
Inverell ComparisonAustraliaRecord high maximum temperature23.9 C (75.0 F)6 of 100 (Routine)
Windsor RiversideCanadaRecord high maximum temperature27.8 C (82.0 F)6 of 100 (Routine)
Montreal McGillCanadaRecord high minimum temperature12.8 C (55.0 F)2 of 100 (Routine)
PeterboroughCanadaRecord high minimum temperature13.3 C (55.9 F)1 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord high minimum temperature16.1 C (61.0 F)1 of 100 (Routine)

Counts by Type and Timescale

16 records
Records on 15 May 1905 by type Records set or tied on 15 May 1905 by type: Highest daily maximum 4, Highest daily minimum 6, Heaviest daily rainfall 6. 0246Highest daily maximum: 4Lowest daily maximum: 0Highest daily minimum: 6Lowest daily minimum: 0Heaviest daily rainfall: 6Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 May 1905 by type: Highest daily maximum 4, Highest daily minimum 6, Heaviest daily rainfall 6.
Records on 15 May 1905 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum0
Highest daily minimum6
Lowest daily minimum0
Heaviest daily rainfall6
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 May 1905 by timescale Records on 15 May 1905 by timescale: all-time 0, monthly 1, daily 15. 051015all-time: 0monthly: 1daily: 15all-timemonthlydaily
Records on 15 May 1905 by timescale: all-time 0, monthly 1, daily 15.
Records on 15 May 1905 by timescale
TimescaleRecords
all-time0
monthly1
daily15

How Much Records Were Beaten By

13 broken records
Histogram of margins by which records were beaten on 15 May 1905 Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.4. Ties are not counted. 02460 to 2: 62 to 4: 34 to 6: 16 to 8: 28 to 10: 010 to 12: 10 to 22 to 44 to 66 to 88 to 1010 to 12
Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.4. Ties are not counted.
Histogram of margins by which records were beaten on 15 May 1905
MarginRecords
0 to 26
2 to 43
4 to 61
6 to 82
8 to 100
10 to 121

Top 20 by Significance

15 May 1905
Top 16 records on 15 May 1905 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 May 1905Mantova, ITdaily rain23.6 mm (0.9 in)3.9 mm (0.15 in)60 years20 of 100 (Routine)
15 May 1905Milan, ITdaily rain39.2 mm (1.5 in)6.3 mm (0.25 in)33 years19 of 100 (Routine)
15 May 1905Concord, USdaily rain28.7 mm (1.1 in)10.4 mm (0.4 in)12 years18 of 100 (Routine)
15 May 1905Pesaro, ITmonthly rain45.0 mm (1.8 in)2.6 mm (0.10 in)5 years17 of 100 (Routine)
15 May 1905Stornoway Airport, GBdaily high max16.1 C (61.0 F)1.1 C (2.0 F)27 years14 of 100 (Routine)
15 May 1905Atlantic City Marina, USdaily rain26.9 mm (1.1 in)4.0 mm (0.16 in)21 years14 of 100 (Routine)
15 May 1905San Diego Wbo, USdaily high min16.1 C (61.0 F)0.5 C (0.9 F)26 years13 of 100 (Routine)
15 May 1905Washington, USdaily high min18.9 C (66.0 F)0.5 C (0.9 F)23 years13 of 100 (Routine)
15 May 1905Portland, USdaily rain24.9 mm (1.0 in)7.1 mm (0.28 in)12 years12 of 100 (Routine)
15 May 1905San Diego Wbo, USdaily high max25.0 C (77.0 F)1.7 C (3.1 F)4 years11 of 100 (Routine)
15 May 1905Wilmington Wb City, USdaily high min23.3 C (73.9 F)2.2 C (4.0 F)8 years11 of 100 (Routine)
15 May 1905Inverell Comparison, AUdaily high max23.9 C (75.0 F)1.1 C (2.0 F)0 years6 of 100 (Routine)
15 May 1905Windsor Riverside, CAdaily high max27.8 C (82.0 F)1.1 C (2.0 F)4 years6 of 100 (Routine)
15 May 1905Montreal McGill, CAdaily high min (Tie)12.8 C (55.0 F)tie27 years2 of 100 (Routine)
15 May 1905Peterborough, CAdaily high min (Tie)13.3 C (55.9 F)tie4 years1 of 100 (Routine)
15 May 1905Atlantic City Marina, USdaily high min (Tie)16.1 C (61.0 F)tie4 years1 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

1820 to 1905
Records on 05-15 in each year Records set or tied on this calendar date in each year from 1820 to 1905. 1905 had 16 records. 05001,0001,5002,0001820: 11825: 11831: 11832: 11837: 21845: 11847: 21848: 11855: 21857: 21859: 11862: 11863: 11865: 11866: 21867: 11868: 21870: 11871: 31874: 21876: 41878: 11879: 21881: 11883: 11885: 11886: 21888: 31891: 31893: 51894: 21895: 41896: 21897: 41898: 31899: 91900: 91901: 21902: 91903: 41904: 131905: 161906: 101907: 271908: 251909: 891910: 271911: 271912: 261913: 601914: 161915: 2361916: 271917: 801918: 1331919: 251920: 581921: 921922: 301923: 1251924: 1741925: 1001926: 1611927: 1911928: 1441929: 1611930: 1361931: 4591932: 3681933: 4391934: 2271935: 2881936: 3721937: 3731938: 3931939: 3511940: 1791941: 4541942: 7011943: 5681944: 6301945: 5881946: 2381947: 3341948: 2641949: 3631950: 2601951: 7361952: 4761953: 4261954: 3551955: 5381956: 4661957: 5211958: 6051959: 7641960: 2911961: 5081962: 1,1281963: 7821964: 3471965: 3201966: 3891967: 6091968: 1,0191969: 7901970: 5121971: 3511972: 4841973: 8181974: 1,2301975: 3721976: 8031977: 1,1861978: 9221979: 4041980: 6251981: 5861982: 5001983: 1,2151984: 1,0591985: 6491986: 6791987: 1,0731988: 6431989: 5521990: 7761991: 1,1791992: 9441993: 7841994: 9101995: 1,7501996: 1,4521997: 1,1751998: 1,6411999: 8102000: 8502001: 1,2802002: 8012003: 1,0232004: 1,0462005: 7672006: 9552007: 9492008: 9952009: 6752010: 1,0882011: 1,2982012: 7512013: 1,0812014: 1,4112015: 7172016: 8902017: 4352018: 1,0742019: 6272020: 4722021: 4122022: 8472023: 5662024: 5962025: 8012026: 4811820187018981915193219491966198320002017
Records set or tied on this calendar date in each year from 1820 to 1905. 1905 had 16 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-15 in each year
YearRecords
18201
18251
18311
18321
18372
18451
18472
18481
18552
18572
18591
18621
18631
18651
18662
18671
18682
18701
18713
18742
18764
18781
18792
18811
18831
18851
18862
18883
18913
18935
18942
18954
18962
18974
18983
18999
19009
19012
19029
19034
190413
190516
190610
190727
190825
190989
191027
191127
191226
191360
191416
1915236
191627
191780
1918133
191925
192058
192192
192230
1923125
1924174
1925100
1926161
1927191
1928144
1929161
1930136
1931459
1932368
1933439
1934227
1935288
1936372
1937373
1938393
1939351
1940179
1941454
1942701
1943568
1944630
1945588
1946238
1947334
1948264
1949363
1950260
1951736
1952476
1953426
1954355
1955538
1956466
1957521
1958605
1959764
1960291
1961508
19621,128
1963782
1964347
1965320
1966389
1967609
19681,019
1969790
1970512
1971351
1972484
1973818
19741,230
1975372
1976803
19771,186
1978922
1979404
1980625
1981586
1982500
19831,215
19841,059
1985649
1986679
19871,073
1988643
1989552
1990776
19911,179
1992944
1993784
1994910
19951,750
19961,452
19971,175
19981,641
1999810
2000850
20011,280
2002801
20031,023
20041,046
2005767
2006955
2007949
2008995
2009675
20101,088
20111,298
2012751
20131,081
20141,411
2015717
2016890
2017435
20181,074
2019627
2020472
2021412
2022847
2023566
2024596
2025801
2026481

Download the Data

  • Data for records on 1905-05-15: 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).