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

Weather Records on 30 April 1878

4 weather records were set or tied worldwide on 30 April 1878. Highest significance: Uccle, BE.

Key Facts for 30 April 1878

  • On 30 April 1878, 4 weather records were set or tied at long-record stations worldwide.
  • 4 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 4 daily.
  • Uccle set a daily record high minimum temperature of 12.6 C (54.7 F) on 30 April 1878.
  • Across 164 earlier years (1795 to 2025) the same calendar date averaged 450 records.

Record Map

4 stations
Weather records on 30 April 1878 4 station records on 30 April 1878 are marked on the map, coloured by record type.
4 station records on 30 April 1878 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 April 1878: highest significance records shown on the map
StationCountryTypeValueSignificance
UccleBelgiumRecord high minimum temperature12.6 C (54.7 F)20 of 100 (Routine)
TorontoCanadaRecord high minimum temperature8.9 C (48.0 F)13 of 100 (Routine)
Newark Liberty Intl APUnited StatesRecord high minimum temperature11.7 C (53.1 F)11 of 100 (Routine)
OxfordUnited KingdomRecord high minimum temperature11.8 C (53.2 F)7 of 100 (Routine)

Counts by Type and Timescale

4 records
Records on 30 April 1878 by type Records set or tied on 30 April 1878 by type: Highest daily minimum 4. 01234Highest daily maximum: 0Lowest daily maximum: 0Highest daily minimum: 4Lowest daily minimum: 0Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 April 1878 by type: Highest daily minimum 4.
Records on 30 April 1878 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum0
Highest daily minimum4
Lowest daily minimum0
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 April 1878 by timescale Records on 30 April 1878 by timescale: all-time 0, monthly 0, daily 4. 01234all-time: 0monthly: 0daily: 4all-timemonthlydaily
Records on 30 April 1878 by timescale: all-time 0, monthly 0, daily 4.
Records on 30 April 1878 by timescale
TimescaleRecords
all-time0
monthly0
daily4

How Much Records Were Beaten By

4 broken records
Histogram of margins by which records were beaten on 30 April 1878 Margins by which the 4 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1.1. Ties are not counted. 011220.0 to 0.2: 10.2 to 0.4: 00.4 to 0.6: 20.6 to 0.8: 00.8 to 1.0: 01.0 to 1.2: 10.0 to 0.20.2 to 0.40.4 to 0.60.6 to 0.80.8 to 1.01.0 to 1.2
Margins by which the 4 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1.1. Ties are not counted.
Histogram of margins by which records were beaten on 30 April 1878
MarginRecords
0.0 to 0.21
0.2 to 0.40
0.4 to 0.62
0.6 to 0.80
0.8 to 1.00
1.0 to 1.21

Top 20 by Significance

30 April 1878
Top 4 records on 30 April 1878 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 April 1878Uccle, BEdaily high min12.6 C (54.7 F)1.1 C (2.0 F)44 years20 of 100 (Routine)
30 April 1878Toronto, CAdaily high min8.9 C (48.0 F)0.6 C (1.1 F)32 years13 of 100 (Routine)
30 April 1878Newark Liberty Intl AP, USdaily high min11.7 C (53.1 F)0.6 C (1.1 F)24 years11 of 100 (Routine)
30 April 1878Oxford, GBdaily high min11.8 C (53.2 F)0.1 C (0.2 F)4 years7 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

1795 to 1878
Records on 04-30 in each year Records set or tied on this calendar date in each year from 1795 to 1878. 1878 had 4 records. 05001,0001,5002,0001795: 11804: 11809: 11812: 11814: 21833: 11840: 11848: 11850: 11853: 11854: 11856: 11859: 11862: 11864: 11865: 11866: 31872: 11873: 11874: 21876: 11878: 41879: 21880: 11881: 11882: 11884: 11885: 11886: 51888: 11889: 11891: 51892: 71894: 11895: 51896: 31897: 21898: 61899: 111900: 41901: 81902: 131903: 211904: 111905: 91906: 161907: 351908: 281909: 741910: 171911: 191912: 181913: 621914: 81915: 201916: 211917: 251918: 281919: 1301920: 701921: 541922: 1381923: 421924: 961925: 2101926: 3311927: 1271928: 1301929: 1191930: 2321931: 5481932: 1451933: 4221934: 4431935: 3271936: 3731937: 2281938: 2821939: 2681940: 5261941: 4841942: 1,1631943: 4701944: 2861945: 3141946: 3011947: 3301948: 9121949: 4471950: 6711951: 7831952: 4351953: 6351954: 1,2241955: 1,2521956: 9081957: 4011958: 4821959: 5751960: 5071961: 3811962: 6171963: 7301964: 3391965: 4881966: 7401967: 9141968: 9281969: 5871970: 1,1891971: 3651972: 4971973: 3981974: 8221975: 4681976: 7831977: 5251978: 6311979: 6751980: 5451981: 1,3421982: 5041983: 1,1541984: 1,5191985: 6501986: 6601987: 1,4371988: 8081989: 6741990: 9771991: 8281992: 1,8081993: 7651994: 1,4991995: 1,0071996: 1,6371997: 7641998: 8571999: 1,0122000: 1,0462001: 9002002: 1,1712003: 9272004: 7032005: 1,1132006: 7782007: 9962008: 1,2602009: 6602010: 9212011: 6362012: 8192013: 7322014: 9462015: 3802016: 9692017: 1,4502018: 7062019: 6972020: 1,4712021: 1,1632022: 4972023: 7772024: 7052025: 4891795187218951912192919461963198019972014
Records set or tied on this calendar date in each year from 1795 to 1878. 1878 had 4 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-30 in each year
YearRecords
17951
18041
18091
18121
18142
18331
18401
18481
18501
18531
18541
18561
18591
18621
18641
18651
18663
18721
18731
18742
18761
18784
18792
18801
18811
18821
18841
18851
18865
18881
18891
18915
18927
18941
18955
18963
18972
18986
189911
19004
19018
190213
190321
190411
19059
190616
190735
190828
190974
191017
191119
191218
191362
19148
191520
191621
191725
191828
1919130
192070
192154
1922138
192342
192496
1925210
1926331
1927127
1928130
1929119
1930232
1931548
1932145
1933422
1934443
1935327
1936373
1937228
1938282
1939268
1940526
1941484
19421,163
1943470
1944286
1945314
1946301
1947330
1948912
1949447
1950671
1951783
1952435
1953635
19541,224
19551,252
1956908
1957401
1958482
1959575
1960507
1961381
1962617
1963730
1964339
1965488
1966740
1967914
1968928
1969587
19701,189
1971365
1972497
1973398
1974822
1975468
1976783
1977525
1978631
1979675
1980545
19811,342
1982504
19831,154
19841,519
1985650
1986660
19871,437
1988808
1989674
1990977
1991828
19921,808
1993765
19941,499
19951,007
19961,637
1997764
1998857
19991,012
20001,046
2001900
20021,171
2003927
2004703
20051,113
2006778
2007996
20081,260
2009660
2010921
2011636
2012819
2013732
2014946
2015380
2016969
20171,450
2018706
2019697
20201,471
20211,163
2022497
2023777
2024705
2025489

Download the Data

  • Data for records on 1878-04-30: 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).