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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Weather Records on 15 February 1858

3 weather records were set or tied worldwide on 15 February 1858. Highest significance: Milan, IT.

Key Facts for 15 February 1858

  • On 15 February 1858, 3 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 3 daily.
  • Milan set a daily record low minimum temperature of -9.9 C (14.2 F) on 15 February 1858.
  • Across 162 earlier years (1794 to 2025) the same calendar date averaged 487 records.

Record Map

3 stations
Weather records on 15 February 1858 3 station records on 15 February 1858 are marked on the map, coloured by record type.
3 station records on 15 February 1858 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 February 1858: highest significance records shown on the map
StationCountryTypeValueSignificance
MilanItalyRecord low minimum temperature-9.9 C (14.2 F)21 of 100 (Routine)
MilanItalyRecord low maximum temperature-3.8 C (25.2 F)20 of 100 (Routine)
BolognaItalyRecord low minimum temperature-10.4 C (13.3 F)16 of 100 (Routine)

Counts by Type and Timescale

3 records
Records on 15 February 1858 by type Records set or tied on 15 February 1858 by type: Lowest daily maximum 1, Lowest daily minimum 2. 01122Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 0Lowest daily minimum: 2Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 February 1858 by type: Lowest daily maximum 1, Lowest daily minimum 2.
Records on 15 February 1858 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum0
Lowest daily minimum2
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 February 1858 by timescale Records on 15 February 1858 by timescale: all-time 0, monthly 0, daily 3. 0123all-time: 0monthly: 0daily: 3all-timemonthlydaily
Records on 15 February 1858 by timescale: all-time 0, monthly 0, daily 3.
Records on 15 February 1858 by timescale
TimescaleRecords
all-time0
monthly0
daily3

How Much Records Were Beaten By

3 broken records
Histogram of margins by which records were beaten on 15 February 1858 Margins by which the 3 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.1. Ties are not counted. 011220.0 to 0.5: 00.5 to 1.0: 01.0 to 1.5: 21.5 to 2.0: 02.0 to 2.5: 10.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.5
Margins by which the 3 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 2.1. Ties are not counted.
Histogram of margins by which records were beaten on 15 February 1858
MarginRecords
0.0 to 0.50
0.5 to 1.00
1.0 to 1.52
1.5 to 2.00
2.0 to 2.51

Top 20 by Significance

15 February 1858
Top 3 records on 15 February 1858 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 February 1858Milan, ITdaily low min-9.9 C (14.2 F)2.1 C (3.8 F)20 years21 of 100 (Routine)
15 February 1858Milan, ITdaily low max-3.8 C (25.2 F)1.3 C (2.3 F)28 years20 of 100 (Routine)
15 February 1858Bologna, ITdaily low min-10.4 C (13.3 F)1.4 C (2.5 F)28 years16 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 1858
Records on 02-15 in each year Records set or tied on this calendar date in each year from 1794 to 1858. 1858 had 3 records. 01,0002,0003,0004,0001794: 11799: 11803: 11806: 11828: 11829: 11830: 21838: 11849: 11855: 31856: 31858: 31859: 11865: 21867: 31869: 21870: 11872: 11874: 11875: 51876: 21877: 21880: 11882: 41885: 31886: 11888: 31889: 21890: 11891: 11893: 21894: 11895: 21896: 21897: 21898: 111899: 71900: 81901: 91902: 21903: 251904: 141905: 161906: 41907: 221908: 501909: 161910: 41911: 331912: 121913: 1631914: 821915: 471916: 601917: 821918: 571919: 461920: 291921: 991922: 361923: 681924: 2041925: 1021926: 611927: 1121928: 3591929: 2861930: 1301931: 1891932: 2301933: 1081934: 1981935: 5231936: 1,0581937: 2191938: 4291939: 4951940: 2301941: 1091942: 4611943: 1,1261944: 3141945: 7001946: 3061947: 6131948: 3761949: 1,2551950: 4891951: 3801952: 1861953: 3851954: 1,8501955: 7221956: 7101957: 4441958: 7141959: 5411960: 5551961: 4801962: 7181963: 2701964: 4051965: 3051966: 4671967: 6321968: 3211969: 8441970: 5891971: 5511972: 4441973: 5311974: 3751975: 5871976: 7541977: 5441978: 1,2711979: 1,5991980: 1,0071981: 1,1111982: 1,0141983: 5741984: 9281985: 8661986: 1,2731987: 8821988: 4811989: 1,7651990: 2,7061991: 1,1201992: 8871993: 1,3271994: 6761995: 1,9161996: 9551997: 1,0301998: 1,4831999: 9132000: 9622001: 1,2242002: 5252003: 1,0292004: 1,0932005: 6952006: 8722007: 2,1152008: 4912009: 9102010: 1,4242011: 8602012: 5622013: 2572014: 1,5502015: 1,1732016: 1,2092017: 5762018: 7512019: 9792020: 5812021: 3,2702022: 4672023: 1,0622024: 9672025: 5061794187218971914193119481965198219992016
Records set or tied on this calendar date in each year from 1794 to 1858. 1858 had 3 records.
Counts for years before the ledger starts come from the same station rules.
Records on 02-15 in each year
YearRecords
17941
17991
18031
18061
18281
18291
18302
18381
18491
18553
18563
18583
18591
18652
18673
18692
18701
18721
18741
18755
18762
18772
18801
18824
18853
18861
18883
18892
18901
18911
18932
18941
18952
18962
18972
189811
18997
19008
19019
19022
190325
190414
190516
19064
190722
190850
190916
19104
191133
191212
1913163
191482
191547
191660
191782
191857
191946
192029
192199
192236
192368
1924204
1925102
192661
1927112
1928359
1929286
1930130
1931189
1932230
1933108
1934198
1935523
19361,058
1937219
1938429
1939495
1940230
1941109
1942461
19431,126
1944314
1945700
1946306
1947613
1948376
19491,255
1950489
1951380
1952186
1953385
19541,850
1955722
1956710
1957444
1958714
1959541
1960555
1961480
1962718
1963270
1964405
1965305
1966467
1967632
1968321
1969844
1970589
1971551
1972444
1973531
1974375
1975587
1976754
1977544
19781,271
19791,599
19801,007
19811,111
19821,014
1983574
1984928
1985866
19861,273
1987882
1988481
19891,765
19902,706
19911,120
1992887
19931,327
1994676
19951,916
1996955
19971,030
19981,483
1999913
2000962
20011,224
2002525
20031,029
20041,093
2005695
2006872
20072,115
2008491
2009910
20101,424
2011860
2012562
2013257
20141,550
20151,173
20161,209
2017576
2018751
2019979
2020581
20213,270
2022467
20231,062
2024967
2025506

Download the Data

  • Data for records on 1858-02-15: 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 2026-10-18 (18 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).