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

Weather Records on 9 August 1870

1 weather records were set or tied worldwide on 9 August 1870. Highest significance: Milan, IT.

Key Facts for 9 August 1870

  • On 9 August 1870, 1 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 1 daily.
  • Milan set a daily record low maximum temperature of 18.1 C (64.6 F) on 9 August 1870.
  • Across 155 earlier years (1798 to 2025) the same calendar date averaged 474 records.

Record Map

1 stations
Weather records on 9 August 1870 1 station records on 9 August 1870 are marked on the map, coloured by record type.
1 station records on 9 August 1870 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 9 August 1870: highest significance records shown on the map
StationCountryTypeValueSignificance
MilanItalyRecord low maximum temperature18.1 C (64.6 F)41 of 100 (Notable)

Counts by Type and Timescale

1 records
Records on 9 August 1870 by type Records set or tied on 9 August 1870 by type: Lowest daily maximum 1. 00111Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 0Lowest daily minimum: 0Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 9 August 1870 by type: Lowest daily maximum 1.
Records on 9 August 1870 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum0
Lowest daily minimum0
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 9 August 1870 by timescale Records on 9 August 1870 by timescale: all-time 0, monthly 0, daily 1. 00111all-time: 0monthly: 0daily: 1all-timemonthlydaily
Records on 9 August 1870 by timescale: all-time 0, monthly 0, daily 1.
Records on 9 August 1870 by timescale
TimescaleRecords
all-time0
monthly0
daily1

How Much Records Were Beaten By

1 broken records
Histogram of margins by which records were beaten on 9 August 1870 Margins by which the 1 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.2. Ties are not counted. 001110.0 to 0.5: 00.5 to 1.0: 01.0 to 1.5: 01.5 to 2.0: 02.0 to 2.5: 02.5 to 3.0: 03.0 to 3.5: 10.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.52.5 to 3.03.0 to 3.5
Margins by which the 1 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.2. Ties are not counted.
Histogram of margins by which records were beaten on 9 August 1870
MarginRecords
0.0 to 0.50
0.5 to 1.00
1.0 to 1.50
1.5 to 2.00
2.0 to 2.50
2.5 to 3.00
3.0 to 3.51

Top 20 by Significance

9 August 1870
Top 1 records on 9 August 1870 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
9 August 1870Milan, ITdaily low max18.1 C (64.6 F)3.2 C (5.8 F)71 years41 of 100 (Notable)

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

1798 to 1870
Records on 08-09 in each year Records set or tied on this calendar date in each year from 1798 to 1870. 1870 had 1 records. 01,0002,0003,0001798: 21800: 11838: 11845: 31856: 11859: 31861: 11863: 21868: 11870: 11871: 11873: 11875: 11878: 11881: 31884: 21886: 11887: 11888: 11889: 11890: 11891: 41892: 41893: 31894: 31895: 11896: 31897: 71898: 121899: 41900: 81901: 31902: 31903: 61904: 91905: 51906: 151907: 91908: 91909: 511910: 161911: 441912: 471913: 761914: 211915: 611916: 371917: 461918: 2101919: 491920: 2891921: 361922: 701923: 731924: 1431925: 3071926: 1421927: 3911928: 2201929: 1271930: 5701931: 3991932: 1941933: 2501934: 6541935: 5871936: 5191937: 3511938: 3791939: 4801940: 4551941: 3721942: 5271943: 3661944: 6471945: 3651946: 3071947: 5441948: 4401949: 7151950: 4071951: 4051952: 3171953: 3631954: 3771955: 4331956: 2781957: 3471958: 4171959: 4531960: 4591961: 3471962: 6361963: 5001964: 7551965: 6321966: 5681967: 4571968: 1,0371969: 5271970: 7511971: 5431972: 1,0891973: 5471974: 6601975: 7901976: 8831977: 4531978: 7841979: 6301980: 9451981: 9411982: 9351983: 8391984: 6831985: 7141986: 5091987: 9271988: 6251989: 2,0821990: 7991991: 9881992: 1,6991993: 7021994: 1,0971995: 1,4171996: 8641997: 1,4461998: 9691999: 1,3702000: 1,2372001: 1,4852002: 1,1672003: 1,3442004: 9412005: 1,0012006: 8282007: 1,6872008: 6672009: 1,0282010: 1,3932011: 1,1772012: 8432013: 7612014: 5312015: 5952016: 6342017: 7732018: 9672019: 7112020: 6422021: 5222022: 7902023: 8182024: 9522025: 7991798188619021918193419501966198219982014
Records set or tied on this calendar date in each year from 1798 to 1870. 1870 had 1 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-09 in each year
YearRecords
17982
18001
18381
18453
18561
18593
18611
18632
18681
18701
18711
18731
18751
18781
18813
18842
18861
18871
18881
18891
18901
18914
18924
18933
18943
18951
18963
18977
189812
18994
19008
19013
19023
19036
19049
19055
190615
19079
19089
190951
191016
191144
191247
191376
191421
191561
191637
191746
1918210
191949
1920289
192136
192270
192373
1924143
1925307
1926142
1927391
1928220
1929127
1930570
1931399
1932194
1933250
1934654
1935587
1936519
1937351
1938379
1939480
1940455
1941372
1942527
1943366
1944647
1945365
1946307
1947544
1948440
1949715
1950407
1951405
1952317
1953363
1954377
1955433
1956278
1957347
1958417
1959453
1960459
1961347
1962636
1963500
1964755
1965632
1966568
1967457
19681,037
1969527
1970751
1971543
19721,089
1973547
1974660
1975790
1976883
1977453
1978784
1979630
1980945
1981941
1982935
1983839
1984683
1985714
1986509
1987927
1988625
19892,082
1990799
1991988
19921,699
1993702
19941,097
19951,417
1996864
19971,446
1998969
19991,370
20001,237
20011,485
20021,167
20031,344
2004941
20051,001
2006828
20071,687
2008667
20091,028
20101,393
20111,177
2012843
2013761
2014531
2015595
2016634
2017773
2018967
2019711
2020642
2021522
2022790
2023818
2024952
2025799

Download the Data

  • Data for records on 1870-08-09: 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).