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

Weather Records on 26 May 1866

1 weather records were set or tied worldwide on 26 May 1866. Highest significance: Genoa, IT.

Key Facts for 26 May 1866

  • On 26 May 1866, 1 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 1 daily.
  • Genoa set a daily record precipitation of 39.2 mm (1.5 in) on 26 May 1866.
  • Across 160 earlier years (1814 to 2025) the same calendar date averaged 428 records.

Record Map

1 stations
Weather records on 26 May 1866 1 station records on 26 May 1866 are marked on the map, coloured by record type.
1 station records on 26 May 1866 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 26 May 1866: highest significance records shown on the map
StationCountryTypeValueSignificance
GenoaItalyRecord daily precipitation39.2 mm (1.5 in)24 of 100 (Routine)

Counts by Type and Timescale

1 records
Records on 26 May 1866 by type Records set or tied on 26 May 1866 by type: Heaviest daily rainfall 1. 00111Highest daily maximum: 0Lowest daily maximum: 0Highest daily minimum: 0Lowest daily minimum: 0Heaviest daily rainfall: 1Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 26 May 1866 by type: Heaviest daily rainfall 1.
Records on 26 May 1866 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum0
Highest daily minimum0
Lowest daily minimum0
Heaviest daily rainfall1
Heaviest daily snowfall0
Deepest snow cover0
Records on 26 May 1866 by timescale Records on 26 May 1866 by timescale: all-time 0, monthly 0, daily 1. 00111all-time: 0monthly: 0daily: 1all-timemonthlydaily
Records on 26 May 1866 by timescale: all-time 0, monthly 0, daily 1.
Records on 26 May 1866 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 26 May 1866 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 20.1. Ties are not counted. 001110 to 5: 05 to 10: 010 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
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 20.1. Ties are not counted.
Histogram of margins by which records were beaten on 26 May 1866
MarginRecords
0 to 50
5 to 100
10 to 150
15 to 200
20 to 251

Top 20 by Significance

26 May 1866
Top 1 records on 26 May 1866 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
26 May 1866Genoa, ITdaily rain39.2 mm (1.5 in)20.1 mm (0.8 in)8 years24 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

1814 to 1866
Records on 05-26 in each year Records set or tied on this calendar date in each year from 1814 to 1866. 1866 had 1 records. 05001,0001,5002,0001814: 11817: 11839: 11841: 11843: 11845: 11847: 21852: 11858: 11864: 31866: 11867: 21868: 31869: 11870: 11871: 11876: 11877: 11879: 31880: 61882: 21883: 11884: 11886: 21887: 11888: 11889: 51890: 71891: 21892: 51894: 31895: 21896: 11898: 11899: 31900: 111901: 121902: 51903: 161904: 101905: 101906: 91907: 241908: 201909: 91910: 471911: 421912: 401913: 491914: 861915: 131916: 241917: 331918: 291919: 371920: 541921: 631922: 641923: 741924: 1221925: 5701926: 1881927: 1411928: 1441929: 1101930: 2011931: 2891932: 2991933: 4751934: 2471935: 1911936: 3401937: 2551938: 6241939: 2531940: 2421941: 3221942: 7821943: 4731944: 4691945: 2791946: 3851947: 5871948: 3081949: 4381950: 1,0101951: 5421952: 2431953: 9961954: 4271955: 1,2081956: 5491957: 3511958: 5481959: 3911960: 2931961: 8001962: 4501963: 3981964: 5901965: 6211966: 4031967: 9541968: 5181969: 6211970: 4041971: 5331972: 4381973: 6091974: 6621975: 4951976: 4761977: 5611978: 6481979: 1,2431980: 9091981: 1,0771982: 6621983: 1,1731984: 7981985: 5821986: 6291987: 9131988: 8101989: 1,1731990: 7501991: 1,3521992: 1,7331993: 9981994: 7851995: 9361996: 1,3891997: 9671998: 1,0651999: 5812000: 1,1812001: 8482002: 5742003: 1,0692004: 9342005: 8272006: 9662007: 1,1802008: 8122009: 9382010: 1,0832011: 1,1092012: 1,4222013: 9052014: 6962015: 5022016: 6482017: 4832018: 1,0442019: 7752020: 7832021: 5632022: 7482023: 3752024: 6892025: 5461814187718991916193319501967198420012018
Records set or tied on this calendar date in each year from 1814 to 1866. 1866 had 1 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-26 in each year
YearRecords
18141
18171
18391
18411
18431
18451
18472
18521
18581
18643
18661
18672
18683
18691
18701
18711
18761
18771
18793
18806
18822
18831
18841
18862
18871
18881
18895
18907
18912
18925
18943
18952
18961
18981
18993
190011
190112
19025
190316
190410
190510
19069
190724
190820
19099
191047
191142
191240
191349
191486
191513
191624
191733
191829
191937
192054
192163
192264
192374
1924122
1925570
1926188
1927141
1928144
1929110
1930201
1931289
1932299
1933475
1934247
1935191
1936340
1937255
1938624
1939253
1940242
1941322
1942782
1943473
1944469
1945279
1946385
1947587
1948308
1949438
19501,010
1951542
1952243
1953996
1954427
19551,208
1956549
1957351
1958548
1959391
1960293
1961800
1962450
1963398
1964590
1965621
1966403
1967954
1968518
1969621
1970404
1971533
1972438
1973609
1974662
1975495
1976476
1977561
1978648
19791,243
1980909
19811,077
1982662
19831,173
1984798
1985582
1986629
1987913
1988810
19891,173
1990750
19911,352
19921,733
1993998
1994785
1995936
19961,389
1997967
19981,065
1999581
20001,181
2001848
2002574
20031,069
2004934
2005827
2006966
20071,180
2008812
2009938
20101,083
20111,109
20121,422
2013905
2014696
2015502
2016648
2017483
20181,044
2019775
2020783
2021563
2022748
2023375
2024689
2025546

Download the Data

  • Data for records on 1866-05-26: 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 (2025-12-31).