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Built 2026-10-19 (19 October 2026)

Weather Records on 15 June 1909

10 weather records were set or tied worldwide on 15 June 1909. Highest significance: Gravenhurst, CA.

Key Facts for 15 June 1909

  • On 15 June 1909, 10 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 9 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 10 daily.
  • Gravenhurst set a daily record low minimum temperature of 2.2 C (36.0 F) on 15 June 1909.
  • Across 163 earlier years (1794 to 2026) the same calendar date averaged 420 records.

Record Map

10 stations
Weather records on 15 June 1909 10 station records on 15 June 1909 are marked on the map, coloured by record type.
10 station records on 15 June 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 June 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
GravenhurstCanadaRecord low minimum temperature2.2 C (36.0 F)16 of 100 (Routine)
Fredericton UnbCanadaRecord high minimum temperature13.9 C (57.0 F)15 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature7.6 C (45.7 F)12 of 100 (Routine)
KarlsruheGermanyRecord low minimum temperature6.2 C (43.2 F)9 of 100 (Routine)
Dubuque RiverUnited StatesRecord low minimum temperature7.8 C (46.0 F)7 of 100 (Routine)
SouthamptonCanadaRecord low minimum temperature3.3 C (37.9 F)3 of 100 (Routine)
Nuwara EliyaSri LankaRecord low minimum temperature10.0 C (50.0 F)3 of 100 (Routine)
Owen SoundCanadaRecord low minimum temperature2.8 C (37.0 F)2 of 100 (Routine)
BuffaloUnited StatesRecord low minimum temperature8.9 C (48.0 F)2 of 100 (Routine)
Port DoverCanadaRecord low minimum temperature6.1 C (43.0 F)0 of 100 (Routine)

Counts by Type and Timescale

10 records
Records on 15 June 1909 by type Records set or tied on 15 June 1909 by type: Highest daily minimum 1, Lowest daily minimum 9. 035810Highest daily maximum: 0Lowest daily maximum: 0Highest daily minimum: 1Lowest daily minimum: 9Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 June 1909 by type: Highest daily minimum 1, Lowest daily minimum 9.
Records on 15 June 1909 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum0
Highest daily minimum1
Lowest daily minimum9
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 June 1909 by timescale Records on 15 June 1909 by timescale: all-time 0, monthly 0, daily 10. 035810all-time: 0monthly: 0daily: 10all-timemonthlydaily
Records on 15 June 1909 by timescale: all-time 0, monthly 0, daily 10.
Records on 15 June 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily10

How Much Records Were Beaten By

5 broken records
Histogram of margins by which records were beaten on 15 June 1909 Margins by which the 5 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.8. Ties are not counted. 001110.0 to 0.5: 10.5 to 1.0: 11.0 to 1.5: 11.5 to 2.0: 12.0 to 2.5: 02.5 to 3.0: 10.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.52.5 to 3.0
Margins by which the 5 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.8. Ties are not counted.
Histogram of margins by which records were beaten on 15 June 1909
MarginRecords
0.0 to 0.51
0.5 to 1.01
1.0 to 1.51
1.5 to 2.01
2.0 to 2.50
2.5 to 3.01

Top 20 by Significance

15 June 1909
Top 10 records on 15 June 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 June 1909Gravenhurst, CAdaily low min2.2 C (36.0 F)2.8 C (5.0 F)24 years16 of 100 (Routine)
15 June 1909Fredericton Unb, CAdaily high min13.9 C (57.0 F)0.6 C (1.1 F)36 years15 of 100 (Routine)
15 June 1909Berlin-Dahlem, DEdaily low min7.6 C (45.7 F)0.4 C (0.7 F)26 years12 of 100 (Routine)
15 June 1909Karlsruhe, DEdaily low min6.2 C (43.2 F)1.2 C (2.2 F)8 years9 of 100 (Routine)
15 June 1909Dubuque River, USdaily low min7.8 C (46.0 F)1.6 C (2.9 F)0 years7 of 100 (Routine)
15 June 1909Southampton, CAdaily low min (Tie)3.3 C (37.9 F)tie33 years3 of 100 (Routine)
15 June 1909Nuwara Eliya, LKdaily low min (Tie)10.0 C (50.0 F)tie33 years3 of 100 (Routine)
15 June 1909Owen Sound, CAdaily low min (Tie)2.8 C (37.0 F)tie24 years2 of 100 (Routine)
15 June 1909Buffalo, USdaily low min (Tie)8.9 C (48.0 F)tie24 years2 of 100 (Routine)
15 June 1909Port Dover, CAdaily low min (Tie)6.1 C (43.0 F)tie0 years0 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 1909
Records on 06-15 in each year Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 10 records. 05001,0001,5002,0001794: 11797: 11822: 21838: 11839: 11841: 21844: 11845: 31846: 21847: 21850: 11851: 11852: 11853: 21857: 21858: 11860: 21867: 11869: 11870: 11874: 31876: 21878: 21879: 21880: 21885: 11886: 11888: 31891: 41892: 51893: 31894: 11895: 61896: 11897: 41898: 41899: 41900: 21901: 41902: 91903: 111904: 61905: 91906: 81907: 51908: 391909: 101910: 151911: 381912: 671913: 211914: 171915: 271916: 771917: 851918: 391919: 1331920: 561921: 381922: 411923: 1171924: 1581925: 2421926: 2051927: 2981928: 1061929: 1751930: 3141931: 2831932: 1541933: 8811934: 1671935: 3391936: 3381937: 2581938: 3661939: 3201940: 4011941: 2041942: 4651943: 5771944: 4931945: 8461946: 4951947: 3761948: 9321949: 6621950: 5081951: 3861952: 1,0011953: 4531954: 3681955: 3261956: 5871957: 4991958: 4371959: 4681960: 4891961: 9051962: 4391963: 5781964: 3951965: 4701966: 3691967: 7141968: 5461969: 9811970: 3891971: 3491972: 5911973: 7161974: 6091975: 3571976: 8321977: 5571978: 6331979: 5801980: 5391981: 1,4491982: 6051983: 5711984: 5381985: 6751986: 4991987: 1,4601988: 1,0061989: 1,4671990: 7101991: 1,0461992: 1,0251993: 6571994: 1,2381995: 1,2911996: 6721997: 1,0631998: 1,8741999: 9872000: 1,0412001: 9422002: 9912003: 6612004: 7342005: 1,0282006: 9262007: 9512008: 5002009: 6852010: 9902011: 8772012: 6472013: 3852014: 4152015: 7082016: 7912017: 6272018: 6572019: 5432020: 6802021: 1,5752022: 1,3432023: 5512024: 5022025: 7372026: 1,0141794186718971914193119481965198219992016
Records set or tied on this calendar date in each year from 1794 to 1909. 1909 had 10 records.
Counts for years before the ledger starts come from the same station rules.
Records on 06-15 in each year
YearRecords
17941
17971
18222
18381
18391
18412
18441
18453
18462
18472
18501
18511
18521
18532
18572
18581
18602
18671
18691
18701
18743
18762
18782
18792
18802
18851
18861
18883
18914
18925
18933
18941
18956
18961
18974
18984
18994
19002
19014
19029
190311
19046
19059
19068
19075
190839
190910
191015
191138
191267
191321
191417
191527
191677
191785
191839
1919133
192056
192138
192241
1923117
1924158
1925242
1926205
1927298
1928106
1929175
1930314
1931283
1932154
1933881
1934167
1935339
1936338
1937258
1938366
1939320
1940401
1941204
1942465
1943577
1944493
1945846
1946495
1947376
1948932
1949662
1950508
1951386
19521,001
1953453
1954368
1955326
1956587
1957499
1958437
1959468
1960489
1961905
1962439
1963578
1964395
1965470
1966369
1967714
1968546
1969981
1970389
1971349
1972591
1973716
1974609
1975357
1976832
1977557
1978633
1979580
1980539
19811,449
1982605
1983571
1984538
1985675
1986499
19871,460
19881,006
19891,467
1990710
19911,046
19921,025
1993657
19941,238
19951,291
1996672
19971,063
19981,874
1999987
20001,041
2001942
2002991
2003661
2004734
20051,028
2006926
2007951
2008500
2009685
2010990
2011877
2012647
2013385
2014415
2015708
2016791
2017627
2018657
2019543
2020680
20211,575
20221,343
2023551
2024502
2025737
20261,014

Download the Data

  • Data for records on 1909-06-15: 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).